diff options
Diffstat (limited to 'drivers/gles3/rasterizer_storage_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_storage_gles3.cpp | 4822 |
1 files changed, 4822 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp new file mode 100644 index 0000000000..8a070313f8 --- /dev/null +++ b/drivers/gles3/rasterizer_storage_gles3.cpp @@ -0,0 +1,4822 @@ +/*************************************************************************/ +/* rasterizer_storage_gles3.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +//#define OPENGL_DISABLE_RENDER_TARGETS + +#include "rasterizer_storage_gles3.h" +#ifdef GLES3_BACKEND_ENABLED + +#include "core/config/project_settings.h" +#include "core/math/transform_3d.h" +#include "drivers/gles3/rasterizer_storage_common.h" +#include "rasterizer_canvas_gles3.h" +#include "rasterizer_scene_gles3.h" +#include "servers/rendering/shader_language.h" + +GLuint RasterizerStorageGLES3::system_fbo = 0; + +/* TEXTURE API */ + +#define _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1 +#define _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2 +#define _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3 + +#define _EXT_COMPRESSED_RED_RGTC1_EXT 0x8DBB +#define _EXT_COMPRESSED_RED_RGTC1 0x8DBB +#define _EXT_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC +#define _EXT_COMPRESSED_RG_RGTC2 0x8DBD +#define _EXT_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE +#define _EXT_COMPRESSED_SIGNED_RED_RGTC1_EXT 0x8DBC +#define _EXT_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD +#define _EXT_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT 0x8DBE +#define _EXT_ETC1_RGB8_OES 0x8D64 + +#define _EXT_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00 +#define _EXT_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01 +#define _EXT_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02 +#define _EXT_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03 + +#define _EXT_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT 0x8A54 +#define _EXT_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT 0x8A55 +#define _EXT_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT 0x8A56 +#define _EXT_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT 0x8A57 + +#define _EXT_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C +#define _EXT_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D +#define _EXT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E +#define _EXT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F + +#define _GL_TEXTURE_EXTERNAL_OES 0x8D65 + +#ifdef GLES_OVER_GL +#define _GL_HALF_FLOAT_OES 0x140B +#else +#define _GL_HALF_FLOAT_OES 0x8D61 +#endif + +#define _EXT_TEXTURE_CUBE_MAP_SEAMLESS 0x884F + +#define _RED_OES 0x1903 + +#define _DEPTH_COMPONENT24_OES 0x81A6 + +#ifndef GLES_OVER_GL +#define glClearDepth glClearDepthf +#endif //!GLES_OVER_GL + +void RasterizerStorageGLES3::bind_quad_array() const { + //glBindBuffer(GL_ARRAY_BUFFER, resources.quadie); + //glVertexAttribPointer(RS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, 0); + //glVertexAttribPointer(RS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(float) * 4, CAST_INT_TO_UCHAR_PTR(8)); + + //glEnableVertexAttribArray(RS::ARRAY_VERTEX); + //glEnableVertexAttribArray(RS::ARRAY_TEX_UV); +} + +bool RasterizerStorageGLES3::can_create_resources_async() const { + return false; +} + +Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_image, Image::Format p_format, uint32_t p_flags, Image::Format &r_real_format, GLenum &r_gl_format, GLenum &r_gl_internal_format, GLenum &r_gl_type, bool &r_compressed, bool p_force_decompress) const { + r_gl_format = 0; + Ref<Image> image = p_image; + r_compressed = false; + r_real_format = p_format; + + bool need_decompress = false; + + switch (p_format) { + case Image::FORMAT_L8: { +#ifdef GLES_OVER_GL + r_gl_internal_format = GL_R8; + r_gl_format = GL_RED; + r_gl_type = GL_UNSIGNED_BYTE; +#else + r_gl_internal_format = GL_LUMINANCE; + r_gl_format = GL_LUMINANCE; + r_gl_type = GL_UNSIGNED_BYTE; +#endif + } break; + case Image::FORMAT_LA8: { +#ifdef GLES_OVER_GL + r_gl_internal_format = GL_RG8; + r_gl_format = GL_RG; + r_gl_type = GL_UNSIGNED_BYTE; +#else + r_gl_internal_format = GL_LUMINANCE_ALPHA; + r_gl_format = GL_LUMINANCE_ALPHA; + r_gl_type = GL_UNSIGNED_BYTE; +#endif + } break; + case Image::FORMAT_R8: { + r_gl_internal_format = GL_R8; + r_gl_format = GL_RED; + r_gl_type = GL_UNSIGNED_BYTE; + + } break; + case Image::FORMAT_RG8: { + r_gl_internal_format = GL_RG8; + r_gl_format = GL_RG; + r_gl_type = GL_UNSIGNED_BYTE; + + } break; + case Image::FORMAT_RGB8: { + r_gl_internal_format = GL_RGB8; + r_gl_format = GL_RGB; + r_gl_type = GL_UNSIGNED_BYTE; + //r_srgb = true; + + } break; + case Image::FORMAT_RGBA8: { + r_gl_format = GL_RGBA; + r_gl_internal_format = GL_RGBA8; + r_gl_type = GL_UNSIGNED_BYTE; + //r_srgb = true; + + } break; + case Image::FORMAT_RGBA4444: { + r_gl_internal_format = GL_RGBA4; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_SHORT_4_4_4_4; + + } break; + //case Image::FORMAT_RGBA5551: { + // r_gl_internal_format = GL_RGB5_A1; + // r_gl_format = GL_RGBA; + // r_gl_type = GL_UNSIGNED_SHORT_5_5_5_1; + // + //} break; + case Image::FORMAT_RF: { + r_gl_internal_format = GL_R32F; + r_gl_format = GL_RED; + r_gl_type = GL_FLOAT; + + } break; + case Image::FORMAT_RGF: { + r_gl_internal_format = GL_RG32F; + r_gl_format = GL_RG; + r_gl_type = GL_FLOAT; + + } break; + case Image::FORMAT_RGBF: { + r_gl_internal_format = GL_RGB32F; + r_gl_format = GL_RGB; + r_gl_type = GL_FLOAT; + + } break; + case Image::FORMAT_RGBAF: { + r_gl_internal_format = GL_RGBA32F; + r_gl_format = GL_RGBA; + r_gl_type = GL_FLOAT; + + } break; + case Image::FORMAT_RH: { + r_gl_internal_format = GL_R16F; + r_gl_format = GL_RED; + r_gl_type = GL_HALF_FLOAT; + } break; + case Image::FORMAT_RGH: { + r_gl_internal_format = GL_RG16F; + r_gl_format = GL_RG; + r_gl_type = GL_HALF_FLOAT; + + } break; + case Image::FORMAT_RGBH: { + r_gl_internal_format = GL_RGB16F; + r_gl_format = GL_RGB; + r_gl_type = GL_HALF_FLOAT; + + } break; + case Image::FORMAT_RGBAH: { + r_gl_internal_format = GL_RGBA16F; + r_gl_format = GL_RGBA; + r_gl_type = GL_HALF_FLOAT; + + } break; + case Image::FORMAT_RGBE9995: { + r_gl_internal_format = GL_RGB9_E5; + r_gl_format = GL_RGB; + r_gl_type = GL_UNSIGNED_INT_5_9_9_9_REV; + + } break; + case Image::FORMAT_DXT1: { + if (config.s3tc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_DXT3: { + if (config.s3tc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_DXT5: { + if (config.s3tc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_RGTC_R: { + if (config.rgtc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RED_RGTC1_EXT; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_RGTC_RG: { + if (config.rgtc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RED_GREEN_RGTC2_EXT; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_BPTC_RGBA: { + if (config.bptc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA_BPTC_UNORM; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_BPTC_RGBF: { + if (config.bptc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT; + r_gl_format = GL_RGB; + r_gl_type = GL_FLOAT; + r_compressed = true; + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_BPTC_RGBFU: { + if (config.bptc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT; + r_gl_format = GL_RGB; + r_gl_type = GL_FLOAT; + r_compressed = true; + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_PVRTC1_2: { + if (config.pvrtc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGB_PVRTC_2BPPV1_IMG; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_PVRTC1_2A: { + if (config.pvrtc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + + } break; + case Image::FORMAT_PVRTC1_4: { + if (config.pvrtc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGB_PVRTC_4BPPV1_IMG; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + + } break; + case Image::FORMAT_PVRTC1_4A: { + if (config.pvrtc_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + + } break; + case Image::FORMAT_ETC: { + if (config.etc_supported) { + r_gl_internal_format = _EXT_ETC1_RGB8_OES; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + + } else { + need_decompress = true; + } + + } break; + /* + case Image::FORMAT_ETC2_R11: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_R11_EAC; + r_gl_format = GL_RED; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_ETC2_R11S: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_SIGNED_R11_EAC; + r_gl_format = GL_RED; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_ETC2_RG11: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RG11_EAC; + r_gl_format = GL_RG; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_ETC2_RG11S: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_SIGNED_RG11_EAC; + r_gl_format = GL_RG; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_ETC2_RGB8: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGB8_ETC2; + r_gl_format = GL_RGB; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_ETC2_RGBA8: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGBA8_ETC2_EAC; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + case Image::FORMAT_ETC2_RGB8A1: { + if (config.etc2_supported) { + r_gl_internal_format = _EXT_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2; + r_gl_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_compressed = true; + //r_srgb = true; + + } else { + need_decompress = true; + } + } break; + */ + default: { + ERR_FAIL_V(Ref<Image>()); + } + } + + if (need_decompress || p_force_decompress) { + if (!image.is_null()) { + image = image->duplicate(); + image->decompress(); + ERR_FAIL_COND_V(image->is_compressed(), image); + switch (image->get_format()) { + case Image::FORMAT_RGB8: { + r_gl_format = GL_RGB; + r_gl_internal_format = GL_RGB; + r_gl_type = GL_UNSIGNED_BYTE; + r_real_format = Image::FORMAT_RGB8; + r_compressed = false; + } break; + case Image::FORMAT_RGBA8: { + r_gl_format = GL_RGBA; + r_gl_internal_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_real_format = Image::FORMAT_RGBA8; + r_compressed = false; + } break; + default: { + image->convert(Image::FORMAT_RGBA8); + r_gl_format = GL_RGBA; + r_gl_internal_format = GL_RGBA; + r_gl_type = GL_UNSIGNED_BYTE; + r_real_format = Image::FORMAT_RGBA8; + r_compressed = false; + + } break; + } + } + + return image; + } + + return p_image; +} + +static const GLenum _cube_side_enum[6] = { + GL_TEXTURE_CUBE_MAP_NEGATIVE_X, + GL_TEXTURE_CUBE_MAP_POSITIVE_X, + GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, + GL_TEXTURE_CUBE_MAP_POSITIVE_Y, + GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, + GL_TEXTURE_CUBE_MAP_POSITIVE_Z, +}; + +RID RasterizerStorageGLES3::texture_allocate() { + RID id = texture_create(); + ERR_FAIL_COND_V(id == RID(), id); + return id; +} + +void RasterizerStorageGLES3::texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) { + Texture *tex = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!tex); + + int w = p_image->get_width(); + int h = p_image->get_height(); + + _texture_allocate_internal(p_texture, w, h, 1, p_image->get_format(), RenderingDevice::TEXTURE_TYPE_2D, 0); + texture_set_data(p_texture, p_image); +} + +void RasterizerStorageGLES3::texture_2d_layered_initialize(RID p_texture, const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) { +} + +void RasterizerStorageGLES3::texture_3d_initialize(RID p_texture, Image::Format, int p_width, int p_height, int p_depth, bool p_mipmaps, const Vector<Ref<Image>> &p_data) { +} + +void RasterizerStorageGLES3::texture_proxy_initialize(RID p_texture, RID p_base) { + texture_set_proxy(p_texture, p_base); +} + +//RID RasterizerStorageGLES3::texture_2d_create(const Ref<Image> &p_image) { +// RID id = texture_create(); +// ERR_FAIL_COND_V(id == RID(), id); + +// int w = p_image->get_width(); +// int h = p_image->get_height(); + +// texture_allocate(id, w, h, 1, p_image->get_format(), RenderingDevice::TEXTURE_TYPE_2D, 0); + +// texture_set_data(id, p_image); + +// return id; +//} + +//RID RasterizerStorageGLES3::texture_2d_layered_create(const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) { +// return RID(); +//} + +//void RasterizerStorageGLES3::texture_2d_update_immediate(RID p_texture, const Ref<Image> &p_image, int p_layer) { +// // only 1 layer so far +// texture_set_data(p_texture, p_image); +//} +void RasterizerStorageGLES3::texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer) { + // only 1 layer so far + texture_set_data(p_texture, p_image); +} + +void RasterizerStorageGLES3::texture_2d_placeholder_initialize(RID p_texture) { +} + +void RasterizerStorageGLES3::texture_2d_layered_placeholder_initialize(RID p_texture, RenderingServer::TextureLayeredType p_layered_type) { +} + +void RasterizerStorageGLES3::texture_3d_placeholder_initialize(RID p_texture) { +} + +Ref<Image> RasterizerStorageGLES3::texture_2d_get(RID p_texture) const { + Texture *tex = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND_V(!tex, Ref<Image>()); + + /* +#ifdef TOOLS_ENABLED + if (tex->image_cache_2d.is_valid()) { + return tex->image_cache_2d; + } +#endif + Vector<uint8_t> data = RD::get_singleton()->texture_get_data(tex->rd_texture, 0); + ERR_FAIL_COND_V(data.size() == 0, Ref<Image>()); + Ref<Image> image; + image.instance(); + image->create(tex->width, tex->height, tex->mipmaps > 1, tex->validated_format, data); + ERR_FAIL_COND_V(image->empty(), Ref<Image>()); + if (tex->format != tex->validated_format) { + image->convert(tex->format); + } + +#ifdef TOOLS_ENABLED + if (Engine::get_singleton()->is_editor_hint()) { + tex->image_cache_2d = image; + } +#endif +*/ + ERR_FAIL_COND_V(!tex->images.size(), Ref<Image>()); + + return tex->images[0]; + + // return image; + + // return Ref<Image>(); +} + +void RasterizerStorageGLES3::texture_replace(RID p_texture, RID p_by_texture) { + Texture *tex_to = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!tex_to); + Texture *tex_from = texture_owner.get_or_null(p_by_texture); + ERR_FAIL_COND(!tex_from); + + tex_to->destroy(); + tex_to->copy_from(*tex_from); + + // copy image data and upload to GL + tex_to->images.resize(tex_from->images.size()); + + for (int n = 0; n < tex_from->images.size(); n++) { + texture_set_data(p_texture, tex_from->images[n], n); + } + + free(p_by_texture); +} + +bool RasterizerStorageGLES3::_is_main_thread() { + //#if defined DEBUG_ENABLED && defined TOOLS_ENABLED + // must be called from main thread in OpenGL + bool is_main_thread = _main_thread_id == Thread::get_caller_id(); + //#endif + return is_main_thread; +} + +RID RasterizerStorageGLES3::texture_create() { + ERR_FAIL_COND_V(!_is_main_thread(), RID()); + + Texture *texture = memnew(Texture); + ERR_FAIL_COND_V(!texture, RID()); + glGenTextures(1, &texture->tex_id); + texture->active = false; + texture->total_data_size = 0; + + return texture_owner.make_rid(texture); +} + +void RasterizerStorageGLES3::_texture_allocate_internal(RID p_texture, int p_width, int p_height, int p_depth_3d, Image::Format p_format, RenderingDevice::TextureType p_type, uint32_t p_flags) { + // GLenum format; + // GLenum internal_format; + // GLenum type; + + // bool compressed = false; + + if (p_flags & TEXTURE_FLAG_USED_FOR_STREAMING) { + p_flags &= ~TEXTURE_FLAG_MIPMAPS; // no mipies for video + } + + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + texture->width = p_width; + texture->height = p_height; + texture->format = p_format; + texture->flags = p_flags; + texture->stored_cube_sides = 0; + texture->type = p_type; + + switch (p_type) { + case RenderingDevice::TEXTURE_TYPE_2D: { + texture->target = GL_TEXTURE_2D; + texture->images.resize(1); + } break; + // case RenderingDevice::TEXTURE_TYPE_EXTERNAL: { + //#ifdef ANDROID_ENABLED + // texture->target = _GL_TEXTURE_EXTERNAL_OES; + //#else + // texture->target = GL_TEXTURE_2D; + //#endif + // texture->images.resize(0); + // } break; + case RenderingDevice::TEXTURE_TYPE_CUBE: { + texture->target = GL_TEXTURE_CUBE_MAP; + texture->images.resize(6); + } break; + case RenderingDevice::TEXTURE_TYPE_2D_ARRAY: + case RenderingDevice::TEXTURE_TYPE_3D: { + texture->target = GL_TEXTURE_3D; + ERR_PRINT("3D textures and Texture Arrays are not supported in OpenGL. Please switch to the Vulkan backend."); + return; + } break; + default: { + ERR_PRINT("Unknown texture type!"); + return; + } + } + +#if 0 + // if (p_type != RS::TEXTURE_TYPE_EXTERNAL) { + if (p_type == RenderingDevice::TEXTURE_TYPE_2D) { + texture->alloc_width = texture->width; + texture->alloc_height = texture->height; + texture->resize_to_po2 = false; + if (!config.support_npot_repeat_mipmap) { + int po2_width = next_power_of_2(p_width); + int po2_height = next_power_of_2(p_height); + + bool is_po2 = p_width == po2_width && p_height == po2_height; + + if (!is_po2 && (p_flags & TEXTURE_FLAG_REPEAT || p_flags & TEXTURE_FLAG_MIPMAPS)) { + if (p_flags & TEXTURE_FLAG_USED_FOR_STREAMING) { + //not supported + ERR_PRINT("Streaming texture for non power of 2 or has mipmaps on this hardware: " + texture->path + "'. Mipmaps and repeat disabled."); + texture->flags &= ~(TEXTURE_FLAG_REPEAT | TEXTURE_FLAG_MIPMAPS); + } else { + texture->alloc_height = po2_height; + texture->alloc_width = po2_width; + texture->resize_to_po2 = true; + } + } + } + + GLenum format; + GLenum internal_format; + GLenum type; + bool compressed = false; + + Image::Format real_format; + _get_gl_image_and_format(Ref<Image>(), + texture->format, + texture->flags, + real_format, + format, + internal_format, + type, + compressed, + texture->resize_to_po2); + + texture->gl_format_cache = format; + texture->gl_type_cache = type; + texture->gl_internal_format_cache = internal_format; + texture->data_size = 0; + texture->mipmaps = 1; + + texture->compressed = compressed; + } +#endif + + glActiveTexture(GL_TEXTURE0); + glBindTexture(texture->target, texture->tex_id); + + // if (p_type == RS::TEXTURE_TYPE_EXTERNAL) { + // glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + // glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + // glTexParameteri(texture->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + // glTexParameteri(texture->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + // } else if (p_flags & TEXTURE_FLAG_USED_FOR_STREAMING) { + // //prealloc if video + // glTexImage2D(texture->target, 0, internal_format, texture->alloc_width, texture->alloc_height, 0, format, type, NULL); + // } + + texture->active = true; +} + +void RasterizerStorageGLES3::texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer) { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND(!_is_main_thread()); + + ERR_FAIL_COND(!texture); + if (texture->target == GL_TEXTURE_3D) { + // Target is set to a 3D texture or array texture, exit early to avoid spamming errors + return; + } + ERR_FAIL_COND(!texture->active); + ERR_FAIL_COND(texture->render_target); + ERR_FAIL_COND(p_image.is_null()); + ERR_FAIL_COND(texture->format != p_image->get_format()); + + ERR_FAIL_COND(!p_image->get_width()); + ERR_FAIL_COND(!p_image->get_height()); + + // ERR_FAIL_COND(texture->type == RS::TEXTURE_TYPE_EXTERNAL); + + GLenum type; + GLenum format; + GLenum internal_format; + bool compressed = false; + + if (config.keep_original_textures && !(texture->flags & TEXTURE_FLAG_USED_FOR_STREAMING)) { + texture->images.write[p_layer] = p_image; + } + + // print_line("texture_set_data width " + itos (p_image->get_width()) + " height " + itos(p_image->get_height())); + + Image::Format real_format; + Ref<Image> img = _get_gl_image_and_format(p_image, p_image->get_format(), texture->flags, real_format, format, internal_format, type, compressed, texture->resize_to_po2); + + if (texture->resize_to_po2) { + if (p_image->is_compressed()) { + ERR_PRINT("Texture '" + texture->path + "' is required to be a power of 2 because it uses either mipmaps or repeat, so it was decompressed. This will hurt performance and memory usage."); + } + + if (img == p_image) { + img = img->duplicate(); + } + img->resize_to_po2(false); + } + + if (config.shrink_textures_x2 && (p_image->has_mipmaps() || !p_image->is_compressed()) && !(texture->flags & TEXTURE_FLAG_USED_FOR_STREAMING)) { + texture->alloc_height = MAX(1, texture->alloc_height / 2); + texture->alloc_width = MAX(1, texture->alloc_width / 2); + + if (texture->alloc_width == img->get_width() / 2 && texture->alloc_height == img->get_height() / 2) { + img->shrink_x2(); + } else if (img->get_format() <= Image::FORMAT_RGBA8) { + img->resize(texture->alloc_width, texture->alloc_height, Image::INTERPOLATE_BILINEAR); + } + } + + GLenum blit_target = (texture->target == GL_TEXTURE_CUBE_MAP) ? _cube_side_enum[p_layer] : GL_TEXTURE_2D; + + texture->data_size = img->get_data().size(); + Vector<uint8_t> read = img->get_data(); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(texture->target, texture->tex_id); + + texture->ignore_mipmaps = compressed && !img->has_mipmaps(); + + // set filtering and repeat state + _texture_set_state_from_flags(texture); + + //set swizle for older format compatibility +#ifdef GLES_OVER_GL + switch (texture->format) { + case Image::FORMAT_L8: { + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ONE); + + } break; + case Image::FORMAT_LA8: { + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_GREEN); + } break; + default: { + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_GREEN); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_BLUE); + glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ALPHA); + + } break; + } +#endif + + int mipmaps = ((texture->flags & TEXTURE_FLAG_MIPMAPS) && img->has_mipmaps()) ? img->get_mipmap_count() + 1 : 1; + + int w = img->get_width(); + int h = img->get_height(); + + int tsize = 0; + + for (int i = 0; i < mipmaps; i++) { + int size, ofs; + img->get_mipmap_offset_and_size(i, ofs, size); + + if (compressed) { + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); + + int bw = w; + int bh = h; + + glCompressedTexImage2D(blit_target, i, internal_format, bw, bh, 0, size, &read[ofs]); + } else { + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + if (texture->flags & TEXTURE_FLAG_USED_FOR_STREAMING) { + glTexSubImage2D(blit_target, i, 0, 0, w, h, format, type, &read[ofs]); + } else { + glTexImage2D(blit_target, i, internal_format, w, h, 0, format, type, &read[ofs]); + } + } + + tsize += size; + + w = MAX(1, w >> 1); + h = MAX(1, h >> 1); + } + + info.texture_mem -= texture->total_data_size; + texture->total_data_size = tsize; + info.texture_mem += texture->total_data_size; + + // printf("texture: %i x %i - size: %i - total: %i\n", texture->width, texture->height, tsize, info.texture_mem); + + texture->stored_cube_sides |= (1 << p_layer); + + if ((texture->flags & TEXTURE_FLAG_MIPMAPS) && mipmaps == 1 && !texture->ignore_mipmaps && (texture->type != RenderingDevice::TEXTURE_TYPE_CUBE || texture->stored_cube_sides == (1 << 6) - 1)) { + //generate mipmaps if they were requested and the image does not contain them + glGenerateMipmap(texture->target); + } + + texture->mipmaps = mipmaps; +} + +void RasterizerStorageGLES3::texture_set_data_partial(RID p_texture, const Ref<Image> &p_image, int src_x, int src_y, int src_w, int src_h, int dst_x, int dst_y, int p_dst_mip, int p_layer) { + // TODO + ERR_PRINT("Not implemented (ask Karroffel to do it :p)"); +} + +/* +Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, Ref<Image>()); + ERR_FAIL_COND_V(!texture->active, Ref<Image>()); + ERR_FAIL_COND_V(texture->data_size == 0 && !texture->render_target, Ref<Image>()); + + if (texture->type == RS::TEXTURE_TYPE_CUBEMAP && p_layer < 6 && p_layer >= 0 && !texture->images[p_layer].is_null()) { + return texture->images[p_layer]; + } + +#ifdef GLES_OVER_GL + + Image::Format real_format; + GLenum gl_format; + GLenum gl_internal_format; + GLenum gl_type; + bool compressed; + _get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, false); + + PoolVector<uint8_t> data; + + int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, real_format, texture->mipmaps > 1); + + data.resize(data_size * 2); //add some memory at the end, just in case for buggy drivers + PoolVector<uint8_t>::Write wb = data.write(); + + glActiveTexture(GL_TEXTURE0); + + glBindTexture(texture->target, texture->tex_id); + + glBindBuffer(GL_PIXEL_PACK_BUFFER, 0); + + for (int i = 0; i < texture->mipmaps; i++) { + int ofs = Image::get_image_mipmap_offset(texture->alloc_width, texture->alloc_height, real_format, i); + + if (texture->compressed) { + glPixelStorei(GL_PACK_ALIGNMENT, 4); + glGetCompressedTexImage(texture->target, i, &wb[ofs]); + } else { + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glGetTexImage(texture->target, i, texture->gl_format_cache, texture->gl_type_cache, &wb[ofs]); + } + } + + wb.release(); + + data.resize(data_size); + + Image *img = memnew(Image(texture->alloc_width, texture->alloc_height, texture->mipmaps > 1, real_format, data)); + + return Ref<Image>(img); +#else + + Image::Format real_format; + GLenum gl_format; + GLenum gl_internal_format; + GLenum gl_type; + bool compressed; + _get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, texture->resize_to_po2); + + PoolVector<uint8_t> data; + + int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, Image::FORMAT_RGBA8, false); + + data.resize(data_size * 2); //add some memory at the end, just in case for buggy drivers + PoolVector<uint8_t>::Write wb = data.write(); + + GLuint temp_framebuffer; + glGenFramebuffers(1, &temp_framebuffer); + + GLuint temp_color_texture; + glGenTextures(1, &temp_color_texture); + + glBindFramebuffer(GL_FRAMEBUFFER, temp_framebuffer); + + glBindTexture(GL_TEXTURE_2D, temp_color_texture); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture->alloc_width, texture->alloc_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, temp_color_texture, 0); + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1, 1, 1, 1); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, texture->tex_id); + + glViewport(0, 0, texture->alloc_width, texture->alloc_height); + + shaders.copy.bind(); + + glClearColor(0.0, 0.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + bind_quad_array(); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glReadPixels(0, 0, texture->alloc_width, texture->alloc_height, GL_RGBA, GL_UNSIGNED_BYTE, &wb[0]); + + glDeleteTextures(1, &temp_color_texture); + + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glDeleteFramebuffers(1, &temp_framebuffer); + + wb.release(); + + data.resize(data_size); + + Image *img = memnew(Image(texture->alloc_width, texture->alloc_height, false, Image::FORMAT_RGBA8, data)); + if (!texture->compressed) { + img->convert(real_format); + } + + return Ref<Image>(img); + +#endif +} +*/ + +void RasterizerStorageGLES3::_texture_set_state_from_flags(Texture *p_tex) { + if ((p_tex->flags & TEXTURE_FLAG_MIPMAPS) && !p_tex->ignore_mipmaps) + if (p_tex->flags & TEXTURE_FLAG_FILTER) { + // these do not exactly correspond ... + p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS); + //texture->glTexParam_MinFilter(texture->target, config.use_fast_texture_filter ? GL_LINEAR_MIPMAP_NEAREST : GL_LINEAR_MIPMAP_LINEAR); + } else { + p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS); + //texture->glTexParam_MinFilter(texture->target, config.use_fast_texture_filter ? GL_NEAREST_MIPMAP_NEAREST : GL_NEAREST_MIPMAP_LINEAR); + } + else { + if (p_tex->flags & TEXTURE_FLAG_FILTER) { + p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR); + //texture->glTexParam_MinFilter(texture->target, GL_LINEAR); + } else { + p_tex->GLSetFilter(p_tex->target, RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST); + // texture->glTexParam_MinFilter(texture->target, GL_NEAREST); + } + } + + if (((p_tex->flags & TEXTURE_FLAG_REPEAT) || (p_tex->flags & TEXTURE_FLAG_MIRRORED_REPEAT)) && p_tex->target != GL_TEXTURE_CUBE_MAP) { + if (p_tex->flags & TEXTURE_FLAG_MIRRORED_REPEAT) { + p_tex->GLSetRepeat(RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR); + } else { + p_tex->GLSetRepeat(RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED); + } + } else { + p_tex->GLSetRepeat(RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED); + } +} + +void RasterizerStorageGLES3::texture_set_flags(RID p_texture, uint32_t p_flags) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + bool had_mipmaps = texture->flags & TEXTURE_FLAG_MIPMAPS; + + texture->flags = p_flags; + + glActiveTexture(GL_TEXTURE0); + glBindTexture(texture->target, texture->tex_id); + + // set filtering and repeat state + _texture_set_state_from_flags(texture); + + if ((texture->flags & TEXTURE_FLAG_MIPMAPS) && !texture->ignore_mipmaps) { + if (!had_mipmaps && texture->mipmaps == 1) { + glGenerateMipmap(texture->target); + } + } +} + +uint32_t RasterizerStorageGLES3::texture_get_flags(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, 0); + + return texture->flags; +} + +Image::Format RasterizerStorageGLES3::texture_get_format(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, Image::FORMAT_L8); + + return texture->format; +} + +RenderingDevice::TextureType RasterizerStorageGLES3::texture_get_type(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, RenderingDevice::TEXTURE_TYPE_2D); + + return texture->type; +} + +uint32_t RasterizerStorageGLES3::texture_get_texid(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, 0); + + return texture->tex_id; +} + +void RasterizerStorageGLES3::texture_bind(RID p_texture, uint32_t p_texture_no) { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND(!texture); + + glActiveTexture(GL_TEXTURE0 + p_texture_no); + glBindTexture(texture->target, texture->tex_id); +} + +uint32_t RasterizerStorageGLES3::texture_get_width(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, 0); + + return texture->width; +} + +uint32_t RasterizerStorageGLES3::texture_get_height(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, 0); + + return texture->height; +} + +uint32_t RasterizerStorageGLES3::texture_get_depth(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND_V(!texture, 0); + + return texture->depth; +} + +void RasterizerStorageGLES3::texture_set_size_override(RID p_texture, int p_width, int p_height) { + Texture *texture = texture_owner.get_or_null(p_texture); + + ERR_FAIL_COND(!texture); + ERR_FAIL_COND(texture->render_target); + + ERR_FAIL_COND(p_width <= 0 || p_width > 16384); + ERR_FAIL_COND(p_height <= 0 || p_height > 16384); + //real texture size is in alloc width and height + texture->width = p_width; + texture->height = p_height; +} + +void RasterizerStorageGLES3::texture_set_path(RID p_texture, const String &p_path) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + texture->path = p_path; +} + +String RasterizerStorageGLES3::texture_get_path(RID p_texture) const { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND_V(!texture, ""); + + return texture->path; +} + +void RasterizerStorageGLES3::texture_debug_usage(List<RS::TextureInfo> *r_info) { + List<RID> textures; + texture_owner.get_owned_list(&textures); + + for (List<RID>::Element *E = textures.front(); E; E = E->next()) { + Texture *t = texture_owner.get_or_null(E->get()); + if (!t) + continue; + RS::TextureInfo tinfo; + tinfo.path = t->path; + tinfo.format = t->format; + tinfo.width = t->alloc_width; + tinfo.height = t->alloc_height; + tinfo.depth = 0; + tinfo.bytes = t->total_data_size; + r_info->push_back(tinfo); + } +} + +void RasterizerStorageGLES3::texture_set_shrink_all_x2_on_set_data(bool p_enable) { + config.shrink_textures_x2 = p_enable; +} + +void RasterizerStorageGLES3::textures_keep_original(bool p_enable) { + config.keep_original_textures = p_enable; +} + +Size2 RasterizerStorageGLES3::texture_size_with_proxy(RID p_texture) { + const Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND_V(!texture, Size2()); + if (texture->proxy) { + return Size2(texture->proxy->width, texture->proxy->height); + } else { + return Size2(texture->width, texture->height); + } +} + +// example use in 3.2 +// VS::get_singleton()->texture_set_proxy(default_texture->proxy, texture_rid); + +// p_proxy is the source (pre-existing) texture? +// and p_texture is the one that is being made into a proxy? +//This naming is confusing. Comments!!! + +// The naming of the parameters seemed to be reversed? +// The p_proxy is the source texture +// and p_texture is actually the proxy???? + +void RasterizerStorageGLES3::texture_set_proxy(RID p_texture, RID p_proxy) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + if (texture->proxy) { + texture->proxy->proxy_owners.erase(texture); + texture->proxy = NULL; + } + + if (p_proxy.is_valid()) { + Texture *proxy = texture_owner.get_or_null(p_proxy); + ERR_FAIL_COND(!proxy); + ERR_FAIL_COND(proxy == texture); + proxy->proxy_owners.insert(texture); + texture->proxy = proxy; + } +} + +void RasterizerStorageGLES3::texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + texture->redraw_if_visible = p_enable; +} + +void RasterizerStorageGLES3::texture_set_detect_3d_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + texture->detect_3d = p_callback; + texture->detect_3d_ud = p_userdata; +} + +void RasterizerStorageGLES3::texture_set_detect_srgb_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + texture->detect_srgb = p_callback; + texture->detect_srgb_ud = p_userdata; +} + +void RasterizerStorageGLES3::texture_set_detect_normal_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) { + Texture *texture = texture_owner.get_or_null(p_texture); + ERR_FAIL_COND(!texture); + + texture->detect_normal = p_callback; + texture->detect_normal_ud = p_userdata; +} + +RID RasterizerStorageGLES3::texture_create_radiance_cubemap(RID p_source, int p_resolution) const { + return RID(); +} + +RID RasterizerStorageGLES3::canvas_texture_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::canvas_texture_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::canvas_texture_set_channel(RID p_canvas_texture, RS::CanvasTextureChannel p_channel, RID p_texture) { +} + +void RasterizerStorageGLES3::canvas_texture_set_shading_parameters(RID p_canvas_texture, const Color &p_base_color, float p_shininess) { +} + +void RasterizerStorageGLES3::canvas_texture_set_texture_filter(RID p_item, RS::CanvasItemTextureFilter p_filter) { +} +void RasterizerStorageGLES3::canvas_texture_set_texture_repeat(RID p_item, RS::CanvasItemTextureRepeat p_repeat) { +} + +RID RasterizerStorageGLES3::sky_create() { + Sky *sky = memnew(Sky); + sky->radiance = 0; + return sky_owner.make_rid(sky); +} + +void RasterizerStorageGLES3::sky_set_texture(RID p_sky, RID p_panorama, int p_radiance_size) { + Sky *sky = sky_owner.get_or_null(p_sky); + ERR_FAIL_COND(!sky); + + if (sky->panorama.is_valid()) { + sky->panorama = RID(); + glDeleteTextures(1, &sky->radiance); + sky->radiance = 0; + } + + sky->panorama = p_panorama; + if (!sky->panorama.is_valid()) { + return; // the panorama was cleared + } + + Texture *texture = texture_owner.get_or_null(sky->panorama); + if (!texture) { + sky->panorama = RID(); + ERR_FAIL_COND(!texture); + } + + // glBindVertexArray(0) and more + { + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + glDisable(GL_BLEND); + + for (int i = 0; i < RS::ARRAY_MAX - 1; i++) { + //glDisableVertexAttribArray(i); + } + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture(texture->target, texture->tex_id); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); //need this for proper sampling + + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D, resources.radical_inverse_vdc_cache_tex); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + // New cubemap that will hold the mipmaps with different roughness values + glActiveTexture(GL_TEXTURE2); + glGenTextures(1, &sky->radiance); + glBindTexture(GL_TEXTURE_CUBE_MAP, sky->radiance); + + int size = p_radiance_size / 2; //divide by two because its a cubemap (this is an approximation because GLES3 uses a dual paraboloid) + + GLenum internal_format = GL_RGB; + GLenum format = GL_RGB; + GLenum type = GL_UNSIGNED_BYTE; + + // Set the initial (empty) mipmaps + // Mobile hardware (PowerVR specially) prefers this approach, + // the previous approach with manual lod levels kills the game. + for (int i = 0; i < 6; i++) { + glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, internal_format, size, size, 0, format, type, NULL); + } + + glGenerateMipmap(GL_TEXTURE_CUBE_MAP); + + // No filters for now + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + // Framebuffer + + bind_framebuffer(resources.mipmap_blur_fbo); + + int mipmaps = 6; + int lod = 0; + int mm_level = mipmaps; + size = p_radiance_size / 2; + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_SOURCE_PANORAMA, true); + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DIRECT_WRITE, true); + shaders.cubemap_filter.bind(); + + // third, render to the framebuffer using separate textures, then copy to mipmaps + while (size >= 1) { + //make framebuffer size the texture size, need to use a separate texture for compatibility + glActiveTexture(GL_TEXTURE3); + glBindTexture(GL_TEXTURE_2D, resources.mipmap_blur_color); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size, size, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, resources.mipmap_blur_color, 0); + + if (lod == 1) { + //bind panorama for smaller lods + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_CUBE_MAP, sky->radiance); + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_SOURCE_PANORAMA, false); + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DIRECT_WRITE, false); + shaders.cubemap_filter.bind(); + } + glViewport(0, 0, size, size); + bind_quad_array(); + + glActiveTexture(GL_TEXTURE2); //back to panorama + + for (int i = 0; i < 6; i++) { + shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::FACE_ID, i); + + float roughness = mm_level >= 0 ? lod / (float)(mipmaps - 1) : 1; + roughness = MIN(1.0, roughness); //keep max at 1 + shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::ROUGHNESS, roughness); + shaders.cubemap_filter.set_uniform(CubemapFilterShaderGLES3::Z_FLIP, false); + + //glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + + glCopyTexSubImage2D(_cube_side_enum[i], lod, 0, 0, 0, 0, size, size); + } + + size >>= 1; + + mm_level--; + + lod++; + } + + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_SOURCE_PANORAMA, false); + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::USE_DIRECT_WRITE, false); + + // restore ranges + glActiveTexture(GL_TEXTURE2); //back to panorama + + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glBindTexture(GL_TEXTURE_2D, 0); + glActiveTexture(GL_TEXTURE3); //back to panorama + glBindTexture(GL_TEXTURE_2D, 0); + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D, 0); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, 0); + + //reset flags on Sky Texture that may have changed + texture_set_flags(sky->panorama, texture->flags); + + // Framebuffer did its job. thank mr framebuffer + glActiveTexture(GL_TEXTURE0); //back to panorama + bind_framebuffer_system(); +} + +/* SHADER API */ + +RID RasterizerStorageGLES3::shader_allocate() { + Shader *shader = memnew(Shader); + shader->mode = RS::SHADER_SPATIAL; + shader->shader = &scene->state.scene_shader; + RID rid = shader_owner.make_rid(shader); + _shader_make_dirty(shader); + shader->self = rid; + + return rid; +} + +void RasterizerStorageGLES3::shader_initialize(RID p_rid) { + // noop +} + +//RID RasterizerStorageGLES3::shader_create() { +// Shader *shader = memnew(Shader); +// shader->mode = RS::SHADER_SPATIAL; +// shader->shader = &scene->state.scene_shader; +// RID rid = shader_owner.make_rid(shader); +// _shader_make_dirty(shader); +// shader->self = rid; + +// return rid; +//} + +void RasterizerStorageGLES3::_shader_make_dirty(Shader *p_shader) { + if (p_shader->dirty_list.in_list()) + return; + + _shader_dirty_list.add(&p_shader->dirty_list); +} + +void RasterizerStorageGLES3::shader_set_code(RID p_shader, const String &p_code) { + Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND(!shader); + + shader->code = p_code; + + String mode_string = ShaderLanguage::get_shader_type(p_code); + RS::ShaderMode mode; + + if (mode_string == "canvas_item") + mode = RS::SHADER_CANVAS_ITEM; + else if (mode_string == "particles") + mode = RS::SHADER_PARTICLES; + else + mode = RS::SHADER_SPATIAL; + + if (shader->custom_code_id && mode != shader->mode) { + shader->shader->free_custom_shader(shader->custom_code_id); + shader->custom_code_id = 0; + } + + shader->mode = mode; + + // TODO handle all shader types + if (mode == RS::SHADER_CANVAS_ITEM) { + shader->shader = &canvas->state.canvas_shader; + + } else if (mode == RS::SHADER_SPATIAL) { + shader->shader = &scene->state.scene_shader; + } else { + return; + } + + if (shader->custom_code_id == 0) { + shader->custom_code_id = shader->shader->create_custom_shader(); + } + + _shader_make_dirty(shader); +} + +String RasterizerStorageGLES3::shader_get_code(RID p_shader) const { + const Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND_V(!shader, ""); + + return shader->code; +} + +void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const { + _shader_dirty_list.remove(&p_shader->dirty_list); + + p_shader->valid = false; + + p_shader->uniforms.clear(); + + if (p_shader->code == String()) { + return; //just invalid, but no error + } + + ShaderCompilerGLES3::GeneratedCode gen_code; + ShaderCompilerGLES3::IdentifierActions *actions = NULL; + + switch (p_shader->mode) { + case RS::SHADER_CANVAS_ITEM: { + p_shader->canvas_item.light_mode = Shader::CanvasItem::LIGHT_MODE_NORMAL; + p_shader->canvas_item.blend_mode = Shader::CanvasItem::BLEND_MODE_MIX; + + p_shader->canvas_item.uses_screen_texture = false; + p_shader->canvas_item.uses_screen_uv = false; + p_shader->canvas_item.uses_time = false; + p_shader->canvas_item.uses_modulate = false; + p_shader->canvas_item.uses_color = false; + p_shader->canvas_item.uses_vertex = false; + p_shader->canvas_item.batch_flags = 0; + + p_shader->canvas_item.uses_world_matrix = false; + p_shader->canvas_item.uses_extra_matrix = false; + p_shader->canvas_item.uses_projection_matrix = false; + p_shader->canvas_item.uses_instance_custom = false; + + shaders.actions_canvas.render_mode_values["blend_add"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_ADD); + shaders.actions_canvas.render_mode_values["blend_mix"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_MIX); + shaders.actions_canvas.render_mode_values["blend_sub"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_SUB); + shaders.actions_canvas.render_mode_values["blend_mul"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_MUL); + shaders.actions_canvas.render_mode_values["blend_premul_alpha"] = Pair<int *, int>(&p_shader->canvas_item.blend_mode, Shader::CanvasItem::BLEND_MODE_PMALPHA); + + shaders.actions_canvas.render_mode_values["unshaded"] = Pair<int *, int>(&p_shader->canvas_item.light_mode, Shader::CanvasItem::LIGHT_MODE_UNSHADED); + shaders.actions_canvas.render_mode_values["light_only"] = Pair<int *, int>(&p_shader->canvas_item.light_mode, Shader::CanvasItem::LIGHT_MODE_LIGHT_ONLY); + + shaders.actions_canvas.usage_flag_pointers["SCREEN_UV"] = &p_shader->canvas_item.uses_screen_uv; + shaders.actions_canvas.usage_flag_pointers["SCREEN_PIXEL_SIZE"] = &p_shader->canvas_item.uses_screen_uv; + shaders.actions_canvas.usage_flag_pointers["SCREEN_TEXTURE"] = &p_shader->canvas_item.uses_screen_texture; + shaders.actions_canvas.usage_flag_pointers["TIME"] = &p_shader->canvas_item.uses_time; + shaders.actions_canvas.usage_flag_pointers["MODULATE"] = &p_shader->canvas_item.uses_modulate; + shaders.actions_canvas.usage_flag_pointers["COLOR"] = &p_shader->canvas_item.uses_color; + + shaders.actions_canvas.usage_flag_pointers["VERTEX"] = &p_shader->canvas_item.uses_vertex; + + shaders.actions_canvas.usage_flag_pointers["WORLD_MATRIX"] = &p_shader->canvas_item.uses_world_matrix; + shaders.actions_canvas.usage_flag_pointers["EXTRA_MATRIX"] = &p_shader->canvas_item.uses_extra_matrix; + shaders.actions_canvas.usage_flag_pointers["PROJECTION_MATRIX"] = &p_shader->canvas_item.uses_projection_matrix; + shaders.actions_canvas.usage_flag_pointers["INSTANCE_CUSTOM"] = &p_shader->canvas_item.uses_instance_custom; + + actions = &shaders.actions_canvas; + actions->uniforms = &p_shader->uniforms; + } break; + + case RS::SHADER_SPATIAL: { + p_shader->spatial.blend_mode = Shader::Spatial::BLEND_MODE_MIX; + p_shader->spatial.depth_draw_mode = Shader::Spatial::DEPTH_DRAW_OPAQUE; + p_shader->spatial.cull_mode = Shader::Spatial::CULL_MODE_BACK; + p_shader->spatial.uses_alpha = false; + p_shader->spatial.uses_alpha_scissor = false; + p_shader->spatial.uses_discard = false; + p_shader->spatial.unshaded = false; + p_shader->spatial.no_depth_test = false; + p_shader->spatial.uses_sss = false; + p_shader->spatial.uses_time = false; + p_shader->spatial.uses_vertex_lighting = false; + p_shader->spatial.uses_screen_texture = false; + p_shader->spatial.uses_depth_texture = false; + p_shader->spatial.uses_vertex = false; + p_shader->spatial.uses_tangent = false; + p_shader->spatial.uses_ensure_correct_normals = false; + p_shader->spatial.writes_modelview_or_projection = false; + p_shader->spatial.uses_world_coordinates = false; + + shaders.actions_scene.render_mode_values["blend_add"] = Pair<int *, int>(&p_shader->spatial.blend_mode, Shader::Spatial::BLEND_MODE_ADD); + shaders.actions_scene.render_mode_values["blend_mix"] = Pair<int *, int>(&p_shader->spatial.blend_mode, Shader::Spatial::BLEND_MODE_MIX); + shaders.actions_scene.render_mode_values["blend_sub"] = Pair<int *, int>(&p_shader->spatial.blend_mode, Shader::Spatial::BLEND_MODE_SUB); + shaders.actions_scene.render_mode_values["blend_mul"] = Pair<int *, int>(&p_shader->spatial.blend_mode, Shader::Spatial::BLEND_MODE_MUL); + + shaders.actions_scene.render_mode_values["depth_draw_opaque"] = Pair<int *, int>(&p_shader->spatial.depth_draw_mode, Shader::Spatial::DEPTH_DRAW_OPAQUE); + shaders.actions_scene.render_mode_values["depth_draw_always"] = Pair<int *, int>(&p_shader->spatial.depth_draw_mode, Shader::Spatial::DEPTH_DRAW_ALWAYS); + shaders.actions_scene.render_mode_values["depth_draw_never"] = Pair<int *, int>(&p_shader->spatial.depth_draw_mode, Shader::Spatial::DEPTH_DRAW_NEVER); + shaders.actions_scene.render_mode_values["depth_draw_alpha_prepass"] = Pair<int *, int>(&p_shader->spatial.depth_draw_mode, Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS); + + shaders.actions_scene.render_mode_values["cull_front"] = Pair<int *, int>(&p_shader->spatial.cull_mode, Shader::Spatial::CULL_MODE_FRONT); + shaders.actions_scene.render_mode_values["cull_back"] = Pair<int *, int>(&p_shader->spatial.cull_mode, Shader::Spatial::CULL_MODE_BACK); + shaders.actions_scene.render_mode_values["cull_disabled"] = Pair<int *, int>(&p_shader->spatial.cull_mode, Shader::Spatial::CULL_MODE_DISABLED); + + shaders.actions_scene.render_mode_flags["unshaded"] = &p_shader->spatial.unshaded; + shaders.actions_scene.render_mode_flags["depth_test_disable"] = &p_shader->spatial.no_depth_test; + + shaders.actions_scene.render_mode_flags["vertex_lighting"] = &p_shader->spatial.uses_vertex_lighting; + + shaders.actions_scene.render_mode_flags["world_vertex_coords"] = &p_shader->spatial.uses_world_coordinates; + + shaders.actions_scene.render_mode_flags["ensure_correct_normals"] = &p_shader->spatial.uses_ensure_correct_normals; + + shaders.actions_scene.usage_flag_pointers["ALPHA"] = &p_shader->spatial.uses_alpha; + shaders.actions_scene.usage_flag_pointers["ALPHA_SCISSOR"] = &p_shader->spatial.uses_alpha_scissor; + + shaders.actions_scene.usage_flag_pointers["SSS_STRENGTH"] = &p_shader->spatial.uses_sss; + shaders.actions_scene.usage_flag_pointers["DISCARD"] = &p_shader->spatial.uses_discard; + shaders.actions_scene.usage_flag_pointers["SCREEN_TEXTURE"] = &p_shader->spatial.uses_screen_texture; + shaders.actions_scene.usage_flag_pointers["DEPTH_TEXTURE"] = &p_shader->spatial.uses_depth_texture; + shaders.actions_scene.usage_flag_pointers["TIME"] = &p_shader->spatial.uses_time; + + // Use of any of these BUILTINS indicate the need for transformed tangents. + // This is needed to know when to transform tangents in software skinning. + shaders.actions_scene.usage_flag_pointers["TANGENT"] = &p_shader->spatial.uses_tangent; + shaders.actions_scene.usage_flag_pointers["NORMALMAP"] = &p_shader->spatial.uses_tangent; + + shaders.actions_scene.write_flag_pointers["MODELVIEW_MATRIX"] = &p_shader->spatial.writes_modelview_or_projection; + shaders.actions_scene.write_flag_pointers["PROJECTION_MATRIX"] = &p_shader->spatial.writes_modelview_or_projection; + shaders.actions_scene.write_flag_pointers["VERTEX"] = &p_shader->spatial.uses_vertex; + + actions = &shaders.actions_scene; + actions->uniforms = &p_shader->uniforms; + + if (p_shader->spatial.uses_screen_texture && p_shader->spatial.uses_depth_texture) { + ERR_PRINT_ONCE("Using both SCREEN_TEXTURE and DEPTH_TEXTURE is not supported in OpenGL"); + } + + if (p_shader->spatial.uses_depth_texture && !config.support_depth_texture) { + ERR_PRINT_ONCE("Using DEPTH_TEXTURE is not permitted on this hardware, operation will fail."); + } + } break; + + default: { + return; + } break; + } + + Error err = shaders.compiler.compile(p_shader->mode, p_shader->code, actions, p_shader->path, gen_code); + if (err != OK) { + return; + } + + p_shader->shader->set_custom_shader_code(p_shader->custom_code_id, gen_code.vertex, gen_code.vertex_global, gen_code.fragment, gen_code.light, gen_code.fragment_global, gen_code.uniforms, gen_code.texture_uniforms, gen_code.custom_defines); + + p_shader->texture_count = gen_code.texture_uniforms.size(); + p_shader->texture_hints = gen_code.texture_hints; + + p_shader->uses_vertex_time = gen_code.uses_vertex_time; + p_shader->uses_fragment_time = gen_code.uses_fragment_time; + + // some logic for batching + if (p_shader->mode == RS::SHADER_CANVAS_ITEM) { + if (p_shader->canvas_item.uses_modulate | p_shader->canvas_item.uses_color) { + p_shader->canvas_item.batch_flags |= RasterizerStorageCommon::PREVENT_COLOR_BAKING; + } + if (p_shader->canvas_item.uses_vertex) { + p_shader->canvas_item.batch_flags |= RasterizerStorageCommon::PREVENT_VERTEX_BAKING; + } + if (p_shader->canvas_item.uses_world_matrix | p_shader->canvas_item.uses_extra_matrix | p_shader->canvas_item.uses_projection_matrix | p_shader->canvas_item.uses_instance_custom) { + p_shader->canvas_item.batch_flags |= RasterizerStorageCommon::PREVENT_ITEM_JOINING; + } + } + + p_shader->shader->set_custom_shader(p_shader->custom_code_id); + p_shader->shader->bind(); + + // cache uniform locations + + for (SelfList<Material> *E = p_shader->materials.first(); E; E = E->next()) { + _material_make_dirty(E->self()); + } + + p_shader->valid = true; + p_shader->version++; +} + +void RasterizerStorageGLES3::update_dirty_shaders() { + while (_shader_dirty_list.first()) { + _update_shader(_shader_dirty_list.first()->self()); + } +} + +void RasterizerStorageGLES3::shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const { + Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND(!shader); + + if (shader->dirty_list.in_list()) { + _update_shader(shader); + } + + Map<int, StringName> order; + + for (Map<StringName, ShaderLanguage::ShaderNode::Uniform>::Element *E = shader->uniforms.front(); E; E = E->next()) { + if (E->get().texture_order >= 0) { + order[E->get().texture_order + 100000] = E->key(); + } else { + order[E->get().order] = E->key(); + } + } + + for (Map<int, StringName>::Element *E = order.front(); E; E = E->next()) { + PropertyInfo pi; + ShaderLanguage::ShaderNode::Uniform &u = shader->uniforms[E->get()]; + + pi.name = E->get(); + + switch (u.type) { + case ShaderLanguage::TYPE_VOID: { + pi.type = Variant::NIL; + } break; + + case ShaderLanguage::TYPE_BOOL: { + pi.type = Variant::BOOL; + } break; + + // bool vectors + case ShaderLanguage::TYPE_BVEC2: { + pi.type = Variant::INT; + pi.hint = PROPERTY_HINT_FLAGS; + pi.hint_string = "x,y"; + } break; + case ShaderLanguage::TYPE_BVEC3: { + pi.type = Variant::INT; + pi.hint = PROPERTY_HINT_FLAGS; + pi.hint_string = "x,y,z"; + } break; + case ShaderLanguage::TYPE_BVEC4: { + pi.type = Variant::INT; + pi.hint = PROPERTY_HINT_FLAGS; + pi.hint_string = "x,y,z,w"; + } break; + + // int stuff + case ShaderLanguage::TYPE_UINT: + case ShaderLanguage::TYPE_INT: { + pi.type = Variant::INT; + + if (u.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) { + pi.hint = PROPERTY_HINT_RANGE; + pi.hint_string = rtos(u.hint_range[0]) + "," + rtos(u.hint_range[1]) + "," + rtos(u.hint_range[2]); + } + } break; + + case ShaderLanguage::TYPE_IVEC2: + case ShaderLanguage::TYPE_UVEC2: + case ShaderLanguage::TYPE_IVEC3: + case ShaderLanguage::TYPE_UVEC3: + case ShaderLanguage::TYPE_IVEC4: + case ShaderLanguage::TYPE_UVEC4: { + // not sure what this should be in godot 4 + // pi.type = Variant::POOL_INT_ARRAY; + pi.type = Variant::PACKED_INT32_ARRAY; + } break; + + case ShaderLanguage::TYPE_FLOAT: { + pi.type = Variant::FLOAT; + if (u.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) { + pi.hint = PROPERTY_HINT_RANGE; + pi.hint_string = rtos(u.hint_range[0]) + "," + rtos(u.hint_range[1]) + "," + rtos(u.hint_range[2]); + } + } break; + + case ShaderLanguage::TYPE_VEC2: { + pi.type = Variant::VECTOR2; + } break; + case ShaderLanguage::TYPE_VEC3: { + pi.type = Variant::VECTOR3; + } break; + + case ShaderLanguage::TYPE_VEC4: { + if (u.hint == ShaderLanguage::ShaderNode::Uniform::HINT_COLOR) { + pi.type = Variant::COLOR; + } else { + pi.type = Variant::PLANE; + } + } break; + + case ShaderLanguage::TYPE_MAT2: { + pi.type = Variant::TRANSFORM2D; + } break; + + case ShaderLanguage::TYPE_MAT3: { + pi.type = Variant::BASIS; + } break; + + case ShaderLanguage::TYPE_MAT4: { + pi.type = Variant::TRANSFORM3D; + } break; + + case ShaderLanguage::TYPE_SAMPLER2D: + // case ShaderLanguage::TYPE_SAMPLEREXT: + case ShaderLanguage::TYPE_ISAMPLER2D: + case ShaderLanguage::TYPE_USAMPLER2D: { + pi.type = Variant::OBJECT; + pi.hint = PROPERTY_HINT_RESOURCE_TYPE; + pi.hint_string = "Texture"; + } break; + + case ShaderLanguage::TYPE_SAMPLERCUBE: { + pi.type = Variant::OBJECT; + pi.hint = PROPERTY_HINT_RESOURCE_TYPE; + pi.hint_string = "CubeMap"; + } break; + + case ShaderLanguage::TYPE_SAMPLER2DARRAY: + case ShaderLanguage::TYPE_ISAMPLER2DARRAY: + case ShaderLanguage::TYPE_USAMPLER2DARRAY: + case ShaderLanguage::TYPE_SAMPLER3D: + case ShaderLanguage::TYPE_ISAMPLER3D: + case ShaderLanguage::TYPE_USAMPLER3D: { + // Not implemented in OpenGL + } break; + // new for godot 4 + case ShaderLanguage::TYPE_SAMPLERCUBEARRAY: + case ShaderLanguage::TYPE_STRUCT: + case ShaderLanguage::TYPE_MAX: { + } break; + } + + p_param_list->push_back(pi); + } +} + +void RasterizerStorageGLES3::shader_set_default_texture_param(RID p_shader, const StringName &p_name, RID p_texture) { + Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND(!shader); + ERR_FAIL_COND(p_texture.is_valid() && !texture_owner.owns(p_texture)); + + if (p_texture.is_valid()) { + shader->default_textures[p_name] = p_texture; + } else { + shader->default_textures.erase(p_name); + } + + _shader_make_dirty(shader); +} + +RID RasterizerStorageGLES3::shader_get_default_texture_param(RID p_shader, const StringName &p_name) const { + const Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND_V(!shader, RID()); + + const Map<StringName, RID>::Element *E = shader->default_textures.find(p_name); + + if (!E) { + return RID(); + } + + return E->get(); +} + +void RasterizerStorageGLES3::shader_add_custom_define(RID p_shader, const String &p_define) { + Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND(!shader); + + shader->shader->add_custom_define(p_define); + + _shader_make_dirty(shader); +} + +void RasterizerStorageGLES3::shader_get_custom_defines(RID p_shader, Vector<String> *p_defines) const { + Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND(!shader); + + shader->shader->get_custom_defines(p_defines); +} + +void RasterizerStorageGLES3::shader_remove_custom_define(RID p_shader, const String &p_define) { + Shader *shader = shader_owner.get_or_null(p_shader); + ERR_FAIL_COND(!shader); + + shader->shader->remove_custom_define(p_define); + + _shader_make_dirty(shader); +} + +/* COMMON MATERIAL API */ + +void RasterizerStorageGLES3::_material_make_dirty(Material *p_material) const { + if (p_material->dirty_list.in_list()) + return; + + _material_dirty_list.add(&p_material->dirty_list); +} + +RID RasterizerStorageGLES3::material_allocate() { + Material *material = memnew(Material); + return material_owner.make_rid(material); +} + +void RasterizerStorageGLES3::material_initialize(RID p_rid) { +} + +//RID RasterizerStorageGLES3::material_create() { +// Material *material = memnew(Material); + +// return material_owner.make_rid(material); +//} + +void RasterizerStorageGLES3::material_set_shader(RID p_material, RID p_shader) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + Shader *shader = shader_owner.get_or_null(p_shader); + + if (material->shader) { + // if a shader is present, remove the old shader + material->shader->materials.remove(&material->list); + } + + material->shader = shader; + + if (shader) { + shader->materials.add(&material->list); + } + + _material_make_dirty(material); +} + +RID RasterizerStorageGLES3::material_get_shader(RID p_material) const { + const Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, RID()); + + if (material->shader) { + return material->shader->self; + } + + return RID(); +} + +void RasterizerStorageGLES3::material_set_param(RID p_material, const StringName &p_param, const Variant &p_value) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + if (p_value.get_type() == Variant::NIL) { + material->params.erase(p_param); + } else { + material->params[p_param] = p_value; + } + + _material_make_dirty(material); +} + +Variant RasterizerStorageGLES3::material_get_param(RID p_material, const StringName &p_param) const { + const Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, RID()); + + if (material->params.has(p_param)) { + return material->params[p_param]; + } + + return material_get_param_default(p_material, p_param); +} + +Variant RasterizerStorageGLES3::material_get_param_default(RID p_material, const StringName &p_param) const { + const Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, Variant()); + + if (material->shader) { + if (material->shader->uniforms.has(p_param)) { + ShaderLanguage::ShaderNode::Uniform uniform = material->shader->uniforms[p_param]; + Vector<ShaderLanguage::ConstantNode::Value> default_value = uniform.default_value; + return ShaderLanguage::constant_value_to_variant(default_value, uniform.type, uniform.hint); + } + } + return Variant(); +} + +void RasterizerStorageGLES3::material_set_line_width(RID p_material, float p_width) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + material->line_width = p_width; +} + +void RasterizerStorageGLES3::material_set_next_pass(RID p_material, RID p_next_material) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + material->next_pass = p_next_material; +} + +bool RasterizerStorageGLES3::material_is_animated(RID p_material) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, false); + if (material->dirty_list.in_list()) { + _update_material(material); + } + + bool animated = material->is_animated_cache; + if (!animated && material->next_pass.is_valid()) { + animated = material_is_animated(material->next_pass); + } + return animated; +} + +bool RasterizerStorageGLES3::material_casts_shadows(RID p_material) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, false); + if (material->dirty_list.in_list()) { + _update_material(material); + } + + bool casts_shadows = material->can_cast_shadow_cache; + + if (!casts_shadows && material->next_pass.is_valid()) { + casts_shadows = material_casts_shadows(material->next_pass); + } + + return casts_shadows; +} + +bool RasterizerStorageGLES3::material_uses_tangents(RID p_material) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, false); + + if (!material->shader) { + return false; + } + + if (material->shader->dirty_list.in_list()) { + _update_shader(material->shader); + } + + return material->shader->spatial.uses_tangent; +} + +bool RasterizerStorageGLES3::material_uses_ensure_correct_normals(RID p_material) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND_V(!material, false); + + if (!material->shader) { + return false; + } + + if (material->shader->dirty_list.in_list()) { + _update_shader(material->shader); + } + + return material->shader->spatial.uses_ensure_correct_normals; +} + +void RasterizerStorageGLES3::material_add_instance_owner(RID p_material, DependencyTracker *p_instance) { + /* + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + Map<InstanceBaseDependency *, int>::Element *E = material->instance_owners.find(p_instance); + if (E) { + E->get()++; + } else { + material->instance_owners[p_instance] = 1; + } +*/ +} + +void RasterizerStorageGLES3::material_remove_instance_owner(RID p_material, DependencyTracker *p_instance) { + /* + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + Map<InstanceBaseDependency *, int>::Element *E = material->instance_owners.find(p_instance); + ERR_FAIL_COND(!E); + + E->get()--; + + if (E->get() == 0) { + material->instance_owners.erase(E); + } +*/ +} + +void RasterizerStorageGLES3::material_set_render_priority(RID p_material, int priority) { + ERR_FAIL_COND(priority < RS::MATERIAL_RENDER_PRIORITY_MIN); + ERR_FAIL_COND(priority > RS::MATERIAL_RENDER_PRIORITY_MAX); + + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + material->render_priority = priority; +} + +void RasterizerStorageGLES3::_update_material(Material *p_material) { + if (p_material->dirty_list.in_list()) { + _material_dirty_list.remove(&p_material->dirty_list); + } + + if (p_material->shader && p_material->shader->dirty_list.in_list()) { + _update_shader(p_material->shader); + } + + if (p_material->shader && !p_material->shader->valid) { + return; + } + + { + bool can_cast_shadow = false; + bool is_animated = false; + + if (p_material->shader && p_material->shader->mode == RS::SHADER_SPATIAL) { + if (p_material->shader->spatial.blend_mode == Shader::Spatial::BLEND_MODE_MIX && + (!p_material->shader->spatial.uses_alpha || p_material->shader->spatial.depth_draw_mode == Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS)) { + can_cast_shadow = true; + } + + if (p_material->shader->spatial.uses_discard && p_material->shader->uses_fragment_time) { + is_animated = true; + } + + if (p_material->shader->spatial.uses_vertex && p_material->shader->uses_vertex_time) { + is_animated = true; + } + + if (can_cast_shadow != p_material->can_cast_shadow_cache || is_animated != p_material->is_animated_cache) { + p_material->can_cast_shadow_cache = can_cast_shadow; + p_material->is_animated_cache = is_animated; + + /* + for (Map<Geometry *, int>::Element *E = p_material->geometry_owners.front(); E; E = E->next()) { + E->key()->material_changed_notify(); + } + + for (Map<InstanceBaseDependency *, int>::Element *E = p_material->instance_owners.front(); E; E = E->next()) { + E->key()->base_changed(false, true); + } + */ + } + } + } + + // uniforms and other things will be set in the use_material method in ShaderGLES3 + + if (p_material->shader && p_material->shader->texture_count > 0) { + p_material->textures.resize(p_material->shader->texture_count); + + for (Map<StringName, ShaderLanguage::ShaderNode::Uniform>::Element *E = p_material->shader->uniforms.front(); E; E = E->next()) { + if (E->get().texture_order < 0) + continue; // not a texture, does not go here + + RID texture; + + Map<StringName, Variant>::Element *V = p_material->params.find(E->key()); + + if (V) { + texture = V->get(); + } + + if (!texture.is_valid()) { + Map<StringName, RID>::Element *W = p_material->shader->default_textures.find(E->key()); + + if (W) { + texture = W->get(); + } + } + + p_material->textures.write[E->get().texture_order] = Pair<StringName, RID>(E->key(), texture); + } + } else { + p_material->textures.clear(); + } +} +/* +void RasterizerStorageGLES3::_material_add_geometry(RID p_material, Geometry *p_geometry) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + Map<Geometry *, int>::Element *I = material->geometry_owners.find(p_geometry); + + if (I) { + I->get()++; + } else { + material->geometry_owners[p_geometry] = 1; + } +} + +void RasterizerStorageGLES3::_material_remove_geometry(RID p_material, Geometry *p_geometry) { + Material *material = material_owner.get_or_null(p_material); + ERR_FAIL_COND(!material); + + Map<Geometry *, int>::Element *I = material->geometry_owners.find(p_geometry); + ERR_FAIL_COND(!I); + + I->get()--; + + if (I->get() == 0) { + material->geometry_owners.erase(I); + } +} +*/ +void RasterizerStorageGLES3::update_dirty_materials() { + while (_material_dirty_list.first()) { + Material *material = _material_dirty_list.first()->self(); + _update_material(material); + } +} + +/* MESH API */ + +RID RasterizerStorageGLES3::mesh_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::mesh_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::mesh_set_blend_shape_count(RID p_mesh, int p_blend_shape_count) { +} + +bool RasterizerStorageGLES3::mesh_needs_instance(RID p_mesh, bool p_has_skeleton) { + return false; +} + +RID RasterizerStorageGLES3::mesh_instance_create(RID p_base) { + return RID(); +} + +void RasterizerStorageGLES3::mesh_instance_set_skeleton(RID p_mesh_instance, RID p_skeleton) { +} + +void RasterizerStorageGLES3::mesh_instance_set_blend_shape_weight(RID p_mesh_instance, int p_shape, float p_weight) { +} + +void RasterizerStorageGLES3::mesh_instance_check_for_update(RID p_mesh_instance) { +} + +void RasterizerStorageGLES3::update_mesh_instances() { +} + +void RasterizerStorageGLES3::reflection_probe_set_lod_threshold(RID p_probe, float p_ratio) { +} + +float RasterizerStorageGLES3::reflection_probe_get_lod_threshold(RID p_probe) const { + return 0.0; +} + +void RasterizerStorageGLES3::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface) { +} + +int RasterizerStorageGLES3::mesh_get_blend_shape_count(RID p_mesh) const { + return 0; +} + +void RasterizerStorageGLES3::mesh_set_blend_shape_mode(RID p_mesh, RS::BlendShapeMode p_mode) { +} + +RS::BlendShapeMode RasterizerStorageGLES3::mesh_get_blend_shape_mode(RID p_mesh) const { + return RS::BLEND_SHAPE_MODE_NORMALIZED; +} + +void RasterizerStorageGLES3::mesh_surface_update_vertex_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) { +} + +void RasterizerStorageGLES3::mesh_surface_update_attribute_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) { +} + +void RasterizerStorageGLES3::mesh_surface_update_skin_region(RID p_mesh, int p_surface, int p_offset, const Vector<uint8_t> &p_data) { +} + +void RasterizerStorageGLES3::mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material) { +} + +RID RasterizerStorageGLES3::mesh_surface_get_material(RID p_mesh, int p_surface) const { + return RID(); +} + +RS::SurfaceData RasterizerStorageGLES3::mesh_get_surface(RID p_mesh, int p_surface) const { + return RS::SurfaceData(); +} + +int RasterizerStorageGLES3::mesh_get_surface_count(RID p_mesh) const { + return 0; +} + +void RasterizerStorageGLES3::mesh_set_custom_aabb(RID p_mesh, const AABB &p_aabb) { +} + +AABB RasterizerStorageGLES3::mesh_get_custom_aabb(RID p_mesh) const { + return AABB(); +} + +AABB RasterizerStorageGLES3::mesh_get_aabb(RID p_mesh, RID p_skeleton) { + return AABB(); +} + +void RasterizerStorageGLES3::mesh_set_shadow_mesh(RID p_mesh, RID p_shadow_mesh) { +} + +void RasterizerStorageGLES3::mesh_clear(RID p_mesh) { +} + +/* MULTIMESH API */ + +RID RasterizerStorageGLES3::multimesh_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::multimesh_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::multimesh_allocate_data(RID p_multimesh, int p_instances, RS::MultimeshTransformFormat p_transform_format, bool p_use_colors, bool p_use_custom_data) { +} + +int RasterizerStorageGLES3::multimesh_get_instance_count(RID p_multimesh) const { + return 0; +} + +void RasterizerStorageGLES3::multimesh_set_mesh(RID p_multimesh, RID p_mesh) { +} + +void RasterizerStorageGLES3::multimesh_instance_set_transform(RID p_multimesh, int p_index, const Transform3D &p_transform) { +} + +void RasterizerStorageGLES3::multimesh_instance_set_transform_2d(RID p_multimesh, int p_index, const Transform2D &p_transform) { +} + +void RasterizerStorageGLES3::multimesh_instance_set_color(RID p_multimesh, int p_index, const Color &p_color) { +} + +void RasterizerStorageGLES3::multimesh_instance_set_custom_data(RID p_multimesh, int p_index, const Color &p_color) { +} + +RID RasterizerStorageGLES3::multimesh_get_mesh(RID p_multimesh) const { + return RID(); +} + +AABB RasterizerStorageGLES3::multimesh_get_aabb(RID p_multimesh) const { + return AABB(); +} + +Transform3D RasterizerStorageGLES3::multimesh_instance_get_transform(RID p_multimesh, int p_index) const { + return Transform3D(); +} + +Transform2D RasterizerStorageGLES3::multimesh_instance_get_transform_2d(RID p_multimesh, int p_index) const { + return Transform2D(); +} + +Color RasterizerStorageGLES3::multimesh_instance_get_color(RID p_multimesh, int p_index) const { + return Color(); +} + +Color RasterizerStorageGLES3::multimesh_instance_get_custom_data(RID p_multimesh, int p_index) const { + return Color(); +} + +void RasterizerStorageGLES3::multimesh_set_buffer(RID p_multimesh, const Vector<float> &p_buffer) { +} + +Vector<float> RasterizerStorageGLES3::multimesh_get_buffer(RID p_multimesh) const { + return Vector<float>(); +} + +void RasterizerStorageGLES3::multimesh_set_visible_instances(RID p_multimesh, int p_visible) { +} + +int RasterizerStorageGLES3::multimesh_get_visible_instances(RID p_multimesh) const { + return 0; +} + +/* SKELETON API */ + +RID RasterizerStorageGLES3::skeleton_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::skeleton_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::skeleton_allocate_data(RID p_skeleton, int p_bones, bool p_2d_skeleton) { +} + +void RasterizerStorageGLES3::skeleton_set_base_transform_2d(RID p_skeleton, const Transform2D &p_base_transform) { +} + +int RasterizerStorageGLES3::skeleton_get_bone_count(RID p_skeleton) const { + return 0; +} + +void RasterizerStorageGLES3::skeleton_bone_set_transform(RID p_skeleton, int p_bone, const Transform3D &p_transform) { +} + +Transform3D RasterizerStorageGLES3::skeleton_bone_get_transform(RID p_skeleton, int p_bone) const { + return Transform3D(); +} + +void RasterizerStorageGLES3::skeleton_bone_set_transform_2d(RID p_skeleton, int p_bone, const Transform2D &p_transform) { +} + +Transform2D RasterizerStorageGLES3::skeleton_bone_get_transform_2d(RID p_skeleton, int p_bone) const { + return Transform2D(); +} + +/* Light API */ + +RID RasterizerStorageGLES3::directional_light_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::directional_light_initialize(RID p_rid) { +} + +RID RasterizerStorageGLES3::omni_light_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::omni_light_initialize(RID p_rid) { +} + +RID RasterizerStorageGLES3::spot_light_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::spot_light_initialize(RID p_rid) { +} + +RID RasterizerStorageGLES3::reflection_probe_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::reflection_probe_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::light_set_color(RID p_light, const Color &p_color) { +} + +void RasterizerStorageGLES3::light_set_param(RID p_light, RS::LightParam p_param, float p_value) { +} + +void RasterizerStorageGLES3::light_set_shadow(RID p_light, bool p_enabled) { +} + +void RasterizerStorageGLES3::light_set_shadow_color(RID p_light, const Color &p_color) { +} + +void RasterizerStorageGLES3::light_set_projector(RID p_light, RID p_texture) { +} + +void RasterizerStorageGLES3::light_set_negative(RID p_light, bool p_enable) { +} + +void RasterizerStorageGLES3::light_set_cull_mask(RID p_light, uint32_t p_mask) { +} + +void RasterizerStorageGLES3::light_set_reverse_cull_face_mode(RID p_light, bool p_enabled) { +} + +void RasterizerStorageGLES3::light_set_bake_mode(RID p_light, RS::LightBakeMode p_bake_mode) { +} + +void RasterizerStorageGLES3::light_set_max_sdfgi_cascade(RID p_light, uint32_t p_cascade) { +} + +void RasterizerStorageGLES3::light_omni_set_shadow_mode(RID p_light, RS::LightOmniShadowMode p_mode) { +} + +void RasterizerStorageGLES3::light_directional_set_shadow_mode(RID p_light, RS::LightDirectionalShadowMode p_mode) { +} + +void RasterizerStorageGLES3::light_directional_set_blend_splits(RID p_light, bool p_enable) { +} + +bool RasterizerStorageGLES3::light_directional_get_blend_splits(RID p_light) const { + return false; +} + +void RasterizerStorageGLES3::light_directional_set_sky_only(RID p_light, bool p_sky_only) { +} + +bool RasterizerStorageGLES3::light_directional_is_sky_only(RID p_light) const { + return false; +} + +RS::LightDirectionalShadowMode RasterizerStorageGLES3::light_directional_get_shadow_mode(RID p_light) { + return RS::LIGHT_DIRECTIONAL_SHADOW_ORTHOGONAL; +} + +RS::LightOmniShadowMode RasterizerStorageGLES3::light_omni_get_shadow_mode(RID p_light) { + return RS::LIGHT_OMNI_SHADOW_DUAL_PARABOLOID; +} + +bool RasterizerStorageGLES3::light_has_shadow(RID p_light) const { + return false; +} + +bool RasterizerStorageGLES3::light_has_projector(RID p_light) const { + return false; +} + +RS::LightType RasterizerStorageGLES3::light_get_type(RID p_light) const { + return RS::LIGHT_OMNI; +} + +AABB RasterizerStorageGLES3::light_get_aabb(RID p_light) const { + return AABB(); +} + +float RasterizerStorageGLES3::light_get_param(RID p_light, RS::LightParam p_param) { + return 0.0; +} + +Color RasterizerStorageGLES3::light_get_color(RID p_light) { + return Color(); +} + +RS::LightBakeMode RasterizerStorageGLES3::light_get_bake_mode(RID p_light) { + return RS::LIGHT_BAKE_DISABLED; +} + +uint32_t RasterizerStorageGLES3::light_get_max_sdfgi_cascade(RID p_light) { + return 0; +} + +uint64_t RasterizerStorageGLES3::light_get_version(RID p_light) const { + return 0; +} + +/* PROBE API */ + +void RasterizerStorageGLES3::reflection_probe_set_update_mode(RID p_probe, RS::ReflectionProbeUpdateMode p_mode) { +} + +void RasterizerStorageGLES3::reflection_probe_set_intensity(RID p_probe, float p_intensity) { +} + +void RasterizerStorageGLES3::reflection_probe_set_ambient_mode(RID p_probe, RS::ReflectionProbeAmbientMode p_mode) { +} + +void RasterizerStorageGLES3::reflection_probe_set_ambient_color(RID p_probe, const Color &p_color) { +} + +void RasterizerStorageGLES3::reflection_probe_set_ambient_energy(RID p_probe, float p_energy) { +} + +void RasterizerStorageGLES3::reflection_probe_set_max_distance(RID p_probe, float p_distance) { +} + +void RasterizerStorageGLES3::reflection_probe_set_extents(RID p_probe, const Vector3 &p_extents) { +} + +void RasterizerStorageGLES3::reflection_probe_set_origin_offset(RID p_probe, const Vector3 &p_offset) { +} + +void RasterizerStorageGLES3::reflection_probe_set_as_interior(RID p_probe, bool p_enable) { +} + +void RasterizerStorageGLES3::reflection_probe_set_enable_box_projection(RID p_probe, bool p_enable) { +} + +void RasterizerStorageGLES3::reflection_probe_set_enable_shadows(RID p_probe, bool p_enable) { +} + +void RasterizerStorageGLES3::reflection_probe_set_cull_mask(RID p_probe, uint32_t p_layers) { +} + +void RasterizerStorageGLES3::reflection_probe_set_resolution(RID p_probe, int p_resolution) { +} + +AABB RasterizerStorageGLES3::reflection_probe_get_aabb(RID p_probe) const { + return AABB(); +} + +RS::ReflectionProbeUpdateMode RasterizerStorageGLES3::reflection_probe_get_update_mode(RID p_probe) const { + return RenderingServer::REFLECTION_PROBE_UPDATE_ONCE; +} + +uint32_t RasterizerStorageGLES3::reflection_probe_get_cull_mask(RID p_probe) const { + return 0; +} + +Vector3 RasterizerStorageGLES3::reflection_probe_get_extents(RID p_probe) const { + return Vector3(); +} + +Vector3 RasterizerStorageGLES3::reflection_probe_get_origin_offset(RID p_probe) const { + return Vector3(); +} + +float RasterizerStorageGLES3::reflection_probe_get_origin_max_distance(RID p_probe) const { + return 0.0; +} + +bool RasterizerStorageGLES3::reflection_probe_renders_shadows(RID p_probe) const { + return false; +} + +void RasterizerStorageGLES3::base_update_dependency(RID p_base, DependencyTracker *p_instance) { +} + +void RasterizerStorageGLES3::skeleton_update_dependency(RID p_base, DependencyTracker *p_instance) { +} + +/* DECAL API */ + +RID RasterizerStorageGLES3::decal_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::decal_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::decal_set_extents(RID p_decal, const Vector3 &p_extents) { +} + +void RasterizerStorageGLES3::decal_set_texture(RID p_decal, RS::DecalTexture p_type, RID p_texture) { +} + +void RasterizerStorageGLES3::decal_set_emission_energy(RID p_decal, float p_energy) { +} + +void RasterizerStorageGLES3::decal_set_albedo_mix(RID p_decal, float p_mix) { +} + +void RasterizerStorageGLES3::decal_set_modulate(RID p_decal, const Color &p_modulate) { +} + +void RasterizerStorageGLES3::decal_set_cull_mask(RID p_decal, uint32_t p_layers) { +} + +void RasterizerStorageGLES3::decal_set_distance_fade(RID p_decal, bool p_enabled, float p_begin, float p_length) { +} + +void RasterizerStorageGLES3::decal_set_fade(RID p_decal, float p_above, float p_below) { +} + +void RasterizerStorageGLES3::decal_set_normal_fade(RID p_decal, float p_fade) { +} + +AABB RasterizerStorageGLES3::decal_get_aabb(RID p_decal) const { + return AABB(); +} + +/* VOXEL GI API */ + +RID RasterizerStorageGLES3::voxel_gi_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::voxel_gi_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::voxel_gi_allocate_data(RID p_voxel_gi, const Transform3D &p_to_cell_xform, const AABB &p_aabb, const Vector3i &p_octree_size, const Vector<uint8_t> &p_octree_cells, const Vector<uint8_t> &p_data_cells, const Vector<uint8_t> &p_distance_field, const Vector<int> &p_level_counts) { +} + +AABB RasterizerStorageGLES3::voxel_gi_get_bounds(RID p_voxel_gi) const { + return AABB(); +} + +Vector3i RasterizerStorageGLES3::voxel_gi_get_octree_size(RID p_voxel_gi) const { + return Vector3i(); +} + +Vector<uint8_t> RasterizerStorageGLES3::voxel_gi_get_octree_cells(RID p_voxel_gi) const { + return Vector<uint8_t>(); +} + +Vector<uint8_t> RasterizerStorageGLES3::voxel_gi_get_data_cells(RID p_voxel_gi) const { + return Vector<uint8_t>(); +} + +Vector<uint8_t> RasterizerStorageGLES3::voxel_gi_get_distance_field(RID p_voxel_gi) const { + return Vector<uint8_t>(); +} + +Vector<int> RasterizerStorageGLES3::voxel_gi_get_level_counts(RID p_voxel_gi) const { + return Vector<int>(); +} + +Transform3D RasterizerStorageGLES3::voxel_gi_get_to_cell_xform(RID p_voxel_gi) const { + return Transform3D(); +} + +void RasterizerStorageGLES3::voxel_gi_set_dynamic_range(RID p_voxel_gi, float p_range) { +} + +float RasterizerStorageGLES3::voxel_gi_get_dynamic_range(RID p_voxel_gi) const { + return 0; +} + +void RasterizerStorageGLES3::voxel_gi_set_propagation(RID p_voxel_gi, float p_range) { +} + +float RasterizerStorageGLES3::voxel_gi_get_propagation(RID p_voxel_gi) const { + return 0; +} + +void RasterizerStorageGLES3::voxel_gi_set_energy(RID p_voxel_gi, float p_range) { +} + +float RasterizerStorageGLES3::voxel_gi_get_energy(RID p_voxel_gi) const { + return 0.0; +} + +void RasterizerStorageGLES3::voxel_gi_set_bias(RID p_voxel_gi, float p_range) { +} + +float RasterizerStorageGLES3::voxel_gi_get_bias(RID p_voxel_gi) const { + return 0.0; +} + +void RasterizerStorageGLES3::voxel_gi_set_normal_bias(RID p_voxel_gi, float p_range) { +} + +float RasterizerStorageGLES3::voxel_gi_get_normal_bias(RID p_voxel_gi) const { + return 0.0; +} + +void RasterizerStorageGLES3::voxel_gi_set_interior(RID p_voxel_gi, bool p_enable) { +} + +bool RasterizerStorageGLES3::voxel_gi_is_interior(RID p_voxel_gi) const { + return false; +} + +void RasterizerStorageGLES3::voxel_gi_set_use_two_bounces(RID p_voxel_gi, bool p_enable) { +} + +bool RasterizerStorageGLES3::voxel_gi_is_using_two_bounces(RID p_voxel_gi) const { + return false; +} + +void RasterizerStorageGLES3::voxel_gi_set_anisotropy_strength(RID p_voxel_gi, float p_strength) { +} + +float RasterizerStorageGLES3::voxel_gi_get_anisotropy_strength(RID p_voxel_gi) const { + return 0; +} + +uint32_t RasterizerStorageGLES3::voxel_gi_get_version(RID p_voxel_gi) { + return 0; +} + +/* LIGHTMAP CAPTURE */ +RID RasterizerStorageGLES3::lightmap_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::lightmap_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::lightmap_set_textures(RID p_lightmap, RID p_light, bool p_uses_spherical_haromics) { +} + +void RasterizerStorageGLES3::lightmap_set_probe_bounds(RID p_lightmap, const AABB &p_bounds) { +} + +void RasterizerStorageGLES3::lightmap_set_probe_interior(RID p_lightmap, bool p_interior) { +} + +void RasterizerStorageGLES3::lightmap_set_probe_capture_data(RID p_lightmap, const PackedVector3Array &p_points, const PackedColorArray &p_point_sh, const PackedInt32Array &p_tetrahedra, const PackedInt32Array &p_bsp_tree) { +} + +PackedVector3Array RasterizerStorageGLES3::lightmap_get_probe_capture_points(RID p_lightmap) const { + return PackedVector3Array(); +} + +PackedColorArray RasterizerStorageGLES3::lightmap_get_probe_capture_sh(RID p_lightmap) const { + return PackedColorArray(); +} + +PackedInt32Array RasterizerStorageGLES3::lightmap_get_probe_capture_tetrahedra(RID p_lightmap) const { + return PackedInt32Array(); +} + +PackedInt32Array RasterizerStorageGLES3::lightmap_get_probe_capture_bsp_tree(RID p_lightmap) const { + return PackedInt32Array(); +} + +AABB RasterizerStorageGLES3::lightmap_get_aabb(RID p_lightmap) const { + return AABB(); +} + +void RasterizerStorageGLES3::lightmap_tap_sh_light(RID p_lightmap, const Vector3 &p_point, Color *r_sh) { +} + +bool RasterizerStorageGLES3::lightmap_is_interior(RID p_lightmap) const { + return false; +} + +void RasterizerStorageGLES3::lightmap_set_probe_capture_update_speed(float p_speed) { +} + +float RasterizerStorageGLES3::lightmap_get_probe_capture_update_speed() const { + return 0; +} + +/* OCCLUDER */ + +void RasterizerStorageGLES3::occluder_set_mesh(RID p_occluder, const PackedVector3Array &p_vertices, const PackedInt32Array &p_indices) { +} + +/* PARTICLES */ + +RID RasterizerStorageGLES3::particles_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::particles_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::particles_set_mode(RID p_particles, RS::ParticlesMode p_mode) { +} + +void RasterizerStorageGLES3::particles_emit(RID p_particles, const Transform3D &p_transform, const Vector3 &p_velocity, const Color &p_color, const Color &p_custom, uint32_t p_emit_flags) { +} + +void RasterizerStorageGLES3::particles_set_emitting(RID p_particles, bool p_emitting) { +} + +void RasterizerStorageGLES3::particles_set_amount(RID p_particles, int p_amount) { +} + +void RasterizerStorageGLES3::particles_set_lifetime(RID p_particles, double p_lifetime) { +} + +void RasterizerStorageGLES3::particles_set_one_shot(RID p_particles, bool p_one_shot) { +} + +void RasterizerStorageGLES3::particles_set_pre_process_time(RID p_particles, double p_time) { +} + +void RasterizerStorageGLES3::particles_set_explosiveness_ratio(RID p_particles, real_t p_ratio) { +} + +void RasterizerStorageGLES3::particles_set_randomness_ratio(RID p_particles, real_t p_ratio) { +} + +void RasterizerStorageGLES3::particles_set_custom_aabb(RID p_particles, const AABB &p_aabb) { +} + +void RasterizerStorageGLES3::particles_set_speed_scale(RID p_particles, double p_scale) { +} + +void RasterizerStorageGLES3::particles_set_use_local_coordinates(RID p_particles, bool p_enable) { +} + +void RasterizerStorageGLES3::particles_set_process_material(RID p_particles, RID p_material) { +} + +void RasterizerStorageGLES3::particles_set_fixed_fps(RID p_particles, int p_fps) { +} + +void RasterizerStorageGLES3::particles_set_interpolate(RID p_particles, bool p_enable) { +} + +void RasterizerStorageGLES3::particles_set_fractional_delta(RID p_particles, bool p_enable) { +} + +void RasterizerStorageGLES3::particles_set_subemitter(RID p_particles, RID p_subemitter_particles) { +} + +void RasterizerStorageGLES3::particles_set_view_axis(RID p_particles, const Vector3 &p_axis, const Vector3 &p_up_axis) { +} + +void RasterizerStorageGLES3::particles_set_collision_base_size(RID p_particles, real_t p_size) { +} + +void RasterizerStorageGLES3::particles_set_transform_align(RID p_particles, RS::ParticlesTransformAlign p_transform_align) { +} + +void RasterizerStorageGLES3::particles_set_trails(RID p_particles, bool p_enable, double p_length) { +} + +void RasterizerStorageGLES3::particles_set_trail_bind_poses(RID p_particles, const Vector<Transform3D> &p_bind_poses) { +} + +void RasterizerStorageGLES3::particles_restart(RID p_particles) { +} + +void RasterizerStorageGLES3::particles_set_draw_order(RID p_particles, RS::ParticlesDrawOrder p_order) { +} + +void RasterizerStorageGLES3::particles_set_draw_passes(RID p_particles, int p_count) { +} + +void RasterizerStorageGLES3::particles_set_draw_pass_mesh(RID p_particles, int p_pass, RID p_mesh) { +} + +void RasterizerStorageGLES3::particles_request_process(RID p_particles) { +} + +AABB RasterizerStorageGLES3::particles_get_current_aabb(RID p_particles) { + return AABB(); +} + +AABB RasterizerStorageGLES3::particles_get_aabb(RID p_particles) const { + return AABB(); +} + +void RasterizerStorageGLES3::particles_set_emission_transform(RID p_particles, const Transform3D &p_transform) { +} + +bool RasterizerStorageGLES3::particles_get_emitting(RID p_particles) { + return false; +} + +int RasterizerStorageGLES3::particles_get_draw_passes(RID p_particles) const { + return 0; +} + +RID RasterizerStorageGLES3::particles_get_draw_pass_mesh(RID p_particles, int p_pass) const { + return RID(); +} + +void RasterizerStorageGLES3::particles_add_collision(RID p_particles, RID p_instance) { +} + +void RasterizerStorageGLES3::particles_remove_collision(RID p_particles, RID p_instance) { +} + +void RasterizerStorageGLES3::particles_set_canvas_sdf_collision(RID p_particles, bool p_enable, const Transform2D &p_xform, const Rect2 &p_to_screen, RID p_texture) { +} + +void RasterizerStorageGLES3::update_particles() { +} + +/* PARTICLES COLLISION */ + +RID RasterizerStorageGLES3::particles_collision_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::particles_collision_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::particles_collision_set_collision_type(RID p_particles_collision, RS::ParticlesCollisionType p_type) { +} + +void RasterizerStorageGLES3::particles_collision_set_cull_mask(RID p_particles_collision, uint32_t p_cull_mask) { +} + +void RasterizerStorageGLES3::particles_collision_set_sphere_radius(RID p_particles_collision, real_t p_radius) { +} + +void RasterizerStorageGLES3::particles_collision_set_box_extents(RID p_particles_collision, const Vector3 &p_extents) { +} + +void RasterizerStorageGLES3::particles_collision_set_attractor_strength(RID p_particles_collision, real_t p_strength) { +} + +void RasterizerStorageGLES3::particles_collision_set_attractor_directionality(RID p_particles_collision, real_t p_directionality) { +} + +void RasterizerStorageGLES3::particles_collision_set_attractor_attenuation(RID p_particles_collision, real_t p_curve) { +} + +void RasterizerStorageGLES3::particles_collision_set_field_texture(RID p_particles_collision, RID p_texture) { +} + +void RasterizerStorageGLES3::particles_collision_height_field_update(RID p_particles_collision) { +} + +void RasterizerStorageGLES3::particles_collision_set_height_field_resolution(RID p_particles_collision, RS::ParticlesCollisionHeightfieldResolution p_resolution) { +} + +AABB RasterizerStorageGLES3::particles_collision_get_aabb(RID p_particles_collision) const { + return AABB(); +} + +bool RasterizerStorageGLES3::particles_collision_is_heightfield(RID p_particles_collision) const { + return false; +} + +RID RasterizerStorageGLES3::particles_collision_get_heightfield_framebuffer(RID p_particles_collision) const { + return RID(); +} + +RID RasterizerStorageGLES3::particles_collision_instance_create(RID p_collision) { + return RID(); +} + +void RasterizerStorageGLES3::particles_collision_instance_set_transform(RID p_collision_instance, const Transform3D &p_transform) { +} + +void RasterizerStorageGLES3::particles_collision_instance_set_active(RID p_collision_instance, bool p_active) { +} + +RID RasterizerStorageGLES3::fog_volume_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::fog_volume_initialize(RID p_rid) { +} + +void RasterizerStorageGLES3::fog_volume_set_shape(RID p_fog_volume, RS::FogVolumeShape p_shape) { +} + +void RasterizerStorageGLES3::fog_volume_set_extents(RID p_fog_volume, const Vector3 &p_extents) { +} + +void RasterizerStorageGLES3::fog_volume_set_material(RID p_fog_volume, RID p_material) { +} + +AABB RasterizerStorageGLES3::fog_volume_get_aabb(RID p_fog_volume) const { + return AABB(); +} + +RS::FogVolumeShape RasterizerStorageGLES3::fog_volume_get_shape(RID p_fog_volume) const { + return RS::FOG_VOLUME_SHAPE_BOX; +} + +/* VISIBILITY NOTIFIER */ +RID RasterizerStorageGLES3::visibility_notifier_allocate() { + return RID(); +} + +void RasterizerStorageGLES3::visibility_notifier_initialize(RID p_notifier) { +} + +void RasterizerStorageGLES3::visibility_notifier_set_aabb(RID p_notifier, const AABB &p_aabb) { +} + +void RasterizerStorageGLES3::visibility_notifier_set_callbacks(RID p_notifier, const Callable &p_enter_callbable, const Callable &p_exit_callable) { +} + +AABB RasterizerStorageGLES3::visibility_notifier_get_aabb(RID p_notifier) const { + return AABB(); +} + +void RasterizerStorageGLES3::visibility_notifier_call(RID p_notifier, bool p_enter, bool p_deferred) { +} + +/* GLOBAL VARIABLES */ + +void RasterizerStorageGLES3::global_variable_add(const StringName &p_name, RS::GlobalVariableType p_type, const Variant &p_value) { +} + +void RasterizerStorageGLES3::global_variable_remove(const StringName &p_name) { +} + +Vector<StringName> RasterizerStorageGLES3::global_variable_get_list() const { + return Vector<StringName>(); +} + +void RasterizerStorageGLES3::global_variable_set(const StringName &p_name, const Variant &p_value) { +} + +void RasterizerStorageGLES3::global_variable_set_override(const StringName &p_name, const Variant &p_value) { +} + +Variant RasterizerStorageGLES3::global_variable_get(const StringName &p_name) const { + return Variant(); +} + +RS::GlobalVariableType RasterizerStorageGLES3::global_variable_get_type(const StringName &p_name) const { + return RS::GLOBAL_VAR_TYPE_MAX; +} + +void RasterizerStorageGLES3::global_variables_load_settings(bool p_load_textures) { +} + +void RasterizerStorageGLES3::global_variables_clear() { +} + +int32_t RasterizerStorageGLES3::global_variables_instance_allocate(RID p_instance) { + return 0; +} + +void RasterizerStorageGLES3::global_variables_instance_free(RID p_instance) { +} + +void RasterizerStorageGLES3::global_variables_instance_update(RID p_instance, int p_index, const Variant &p_value) { +} + +bool RasterizerStorageGLES3::particles_is_inactive(RID p_particles) const { + return false; +} + +/* RENDER TARGET */ + +void RasterizerStorageGLES3::_set_current_render_target(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + + // FTODO + // if (!p_render_target.is_valid() && storage->frame.current_rt && storage->frame.clear_request) { + // // pending clear request. Do that first. + // glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->fbo); + // glClearColor(storage->frame.clear_request_color.r, + // storage->frame.clear_request_color.g, + // storage->frame.clear_request_color.b, + // storage->frame.clear_request_color.a); + // glClear(GL_COLOR_BUFFER_BIT); + // } + + if (rt) { + if (rt->allocate_is_dirty) { + rt->allocate_is_dirty = false; + _render_target_allocate(rt); + } + + // if (p_render_target.is_valid()) { + // RasterizerStorageGLES3::RenderTarget *rt = storage.render_target_owner.get_or_null(p_render_target); + frame.current_rt = rt; + ERR_FAIL_COND(!rt); + frame.clear_request = false; + + glViewport(0, 0, rt->width, rt->height); + + // print_line("_set_current_render_target w " + itos(rt->width) + " h " + itos(rt->height)); + + _dims.rt_width = rt->width; + _dims.rt_height = rt->height; + _dims.win_width = rt->width; + _dims.win_height = rt->height; + + } else { + frame.current_rt = NULL; + frame.clear_request = false; + // FTODO + // glViewport(0, 0, OS::get_singleton()->get_window_size().width, OS::get_singleton()->get_window_size().height); + bind_framebuffer_system(); + } +} + +void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + // do not allocate a render target with no size + if (rt->width <= 0 || rt->height <= 0) + return; + + // do not allocate a render target that is attached to the screen + if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) { + rt->fbo = RasterizerStorageGLES3::system_fbo; + return; + } + + GLuint color_internal_format; + GLuint color_format; + GLuint color_type = GL_UNSIGNED_BYTE; + Image::Format image_format; + + if (rt->flags[RendererStorage::RENDER_TARGET_TRANSPARENT]) { +#ifdef GLES_OVER_GL + color_internal_format = GL_RGBA8; +#else + color_internal_format = GL_RGBA; +#endif + color_format = GL_RGBA; + image_format = Image::FORMAT_RGBA8; + } else { +#ifdef GLES_OVER_GL + color_internal_format = GL_RGB8; +#else + color_internal_format = GL_RGB; +#endif + color_format = GL_RGB; + image_format = Image::FORMAT_RGB8; + } + + rt->used_dof_blur_near = false; + rt->mip_maps_allocated = false; + + { + /* Front FBO */ + + Texture *texture = texture_owner.get_or_null(rt->texture); + ERR_FAIL_COND(!texture); + + // framebuffer + glGenFramebuffers(1, &rt->fbo); + bind_framebuffer(rt->fbo); + + // color + glGenTextures(1, &rt->color); + glBindTexture(GL_TEXTURE_2D, rt->color); + + glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, NULL); + + if (texture->flags & TEXTURE_FLAG_FILTER) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + } else { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color, 0); + + // depth + + if (config.support_depth_texture) { + glGenTextures(1, &rt->depth); + glBindTexture(GL_TEXTURE_2D, rt->depth); + glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, rt->width, rt->height, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glGenRenderbuffers(1, &rt->depth); + glBindRenderbuffer(GL_RENDERBUFFER, rt->depth); + + glRenderbufferStorage(GL_RENDERBUFFER, config.depth_buffer_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + glDeleteFramebuffers(1, &rt->fbo); + if (config.support_depth_texture) { + glDeleteTextures(1, &rt->depth); + } else { + glDeleteRenderbuffers(1, &rt->depth); + } + + glDeleteTextures(1, &rt->color); + rt->fbo = 0; + rt->width = 0; + rt->height = 0; + rt->color = 0; + rt->depth = 0; + texture->tex_id = 0; + texture->active = false; + WARN_PRINT("Could not create framebuffer!!"); + return; + } + + texture->format = image_format; + texture->gl_format_cache = color_format; + texture->gl_type_cache = GL_UNSIGNED_BYTE; + texture->gl_internal_format_cache = color_internal_format; + texture->tex_id = rt->color; + texture->width = rt->width; + texture->alloc_width = rt->width; + texture->height = rt->height; + texture->alloc_height = rt->height; + texture->active = true; + + texture_set_flags(rt->texture, texture->flags); + } + + /* BACK FBO */ + /* For MSAA */ + +#ifndef JAVASCRIPT_ENABLED + if (rt->msaa >= RS::VIEWPORT_MSAA_2X && rt->msaa <= RS::VIEWPORT_MSAA_8X) { + rt->multisample_active = true; + + static const int msaa_value[] = { 0, 2, 4, 8, 16 }; + int msaa = msaa_value[rt->msaa]; + + int max_samples = 0; + glGetIntegerv(GL_MAX_SAMPLES, &max_samples); + if (msaa > max_samples) { + WARN_PRINT("MSAA must be <= GL_MAX_SAMPLES, falling-back to GL_MAX_SAMPLES = " + itos(max_samples)); + msaa = max_samples; + } + + //regular fbo + glGenFramebuffers(1, &rt->multisample_fbo); + bind_framebuffer(rt->multisample_fbo); + + glGenRenderbuffers(1, &rt->multisample_depth); + glBindRenderbuffer(GL_RENDERBUFFER, rt->multisample_depth); + glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, config.depth_buffer_internalformat, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->multisample_depth); + + glGenRenderbuffers(1, &rt->multisample_color); + glBindRenderbuffer(GL_RENDERBUFFER, rt->multisample_color); + glRenderbufferStorageMultisample(GL_RENDERBUFFER, msaa, color_internal_format, rt->width, rt->height); + + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, rt->multisample_color); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + // Delete allocated resources and default to no MSAA + WARN_PRINT_ONCE("Cannot allocate back framebuffer for MSAA"); + printf("err status: %x\n", status); + rt->multisample_active = false; + + glDeleteFramebuffers(1, &rt->multisample_fbo); + rt->multisample_fbo = 0; + + glDeleteRenderbuffers(1, &rt->multisample_depth); + rt->multisample_depth = 0; + + glDeleteRenderbuffers(1, &rt->multisample_color); + rt->multisample_color = 0; + } + + glBindRenderbuffer(GL_RENDERBUFFER, 0); + bind_framebuffer(0); + + } else +#endif // JAVASCRIPT_ENABLED + { + rt->multisample_active = false; + } + + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + // copy texscreen buffers + // if (!(rt->flags[RendererStorage::RENDER_TARGET_NO_SAMPLING])) { + if (true) { + glGenTextures(1, &rt->copy_screen_effect.color); + glBindTexture(GL_TEXTURE_2D, rt->copy_screen_effect.color); + + if (rt->flags[RendererStorage::RENDER_TARGET_TRANSPARENT]) { + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + } else { + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, rt->width, rt->height, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glGenFramebuffers(1, &rt->copy_screen_effect.fbo); + bind_framebuffer(rt->copy_screen_effect.fbo); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->copy_screen_effect.color, 0); + + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + _render_target_clear(rt); + ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); + } + } + + // Allocate mipmap chains for post_process effects + // if (!rt->flags[RendererStorage::RENDER_TARGET_NO_3D] && rt->width >= 2 && rt->height >= 2) { + if (rt->width >= 2 && rt->height >= 2) { + for (int i = 0; i < 2; i++) { + ERR_FAIL_COND(rt->mip_maps[i].sizes.size()); + int w = rt->width; + int h = rt->height; + + if (i > 0) { + w >>= 1; + h >>= 1; + } + + int level = 0; + int fb_w = w; + int fb_h = h; + + while (true) { + RenderTarget::MipMaps::Size mm; + mm.width = w; + mm.height = h; + rt->mip_maps[i].sizes.push_back(mm); + + w >>= 1; + h >>= 1; + + if (w < 2 || h < 2) + break; + + level++; + } + + GLsizei width = fb_w; + GLsizei height = fb_h; + + if (config.render_to_mipmap_supported) { + glGenTextures(1, &rt->mip_maps[i].color); + glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].color); + + for (int l = 0; l < level + 1; l++) { + glTexImage2D(GL_TEXTURE_2D, l, color_internal_format, width, height, 0, color_format, color_type, NULL); + width = MAX(1, (width / 2)); + height = MAX(1, (height / 2)); + } +#ifdef GLES_OVER_GL + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, level); +#endif + } else { + // Can't render to specific levels of a mipmap in ES 2.0 or Webgl so create a texture for each level + for (int l = 0; l < level + 1; l++) { + glGenTextures(1, &rt->mip_maps[i].sizes.write[l].color); + glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[l].color); + glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, width, height, 0, color_format, color_type, NULL); + width = MAX(1, (width / 2)); + height = MAX(1, (height / 2)); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + } + } + + glDisable(GL_SCISSOR_TEST); + glColorMask(1, 1, 1, 1); + glDepthMask(GL_TRUE); + + for (int j = 0; j < rt->mip_maps[i].sizes.size(); j++) { + RenderTarget::MipMaps::Size &mm = rt->mip_maps[i].sizes.write[j]; + + glGenFramebuffers(1, &mm.fbo); + bind_framebuffer(mm.fbo); + + if (config.render_to_mipmap_supported) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->mip_maps[i].color, j); + } else { + glBindTexture(GL_TEXTURE_2D, rt->mip_maps[i].sizes[j].color); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->mip_maps[i].sizes[j].color, 0); + } + + bool used_depth = false; + if (j == 0 && i == 0) { //use always + if (config.support_depth_texture) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + used_depth = true; + } + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + WARN_PRINT_ONCE("Cannot allocate mipmaps for 3D post processing effects"); + bind_framebuffer_system(); + return; + } + + glClearColor(1.0, 0.0, 1.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + if (used_depth) { + glClearDepth(1.0); + glClear(GL_DEPTH_BUFFER_BIT); + } + } + + rt->mip_maps[i].levels = level; + + if (config.render_to_mipmap_supported) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + } + } + rt->mip_maps_allocated = true; + } + + bind_framebuffer_system(); +} + +void RasterizerStorageGLES3::_render_target_clear(RenderTarget *rt) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + // there is nothing to clear when DIRECT_TO_SCREEN is used + if (rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) + return; + + if (rt->fbo) { + glDeleteFramebuffers(1, &rt->fbo); + glDeleteTextures(1, &rt->color); + rt->fbo = 0; + } + + if (rt->external.fbo != 0) { + // free this + glDeleteFramebuffers(1, &rt->external.fbo); + + // clean up our texture + Texture *t = texture_owner.get_or_null(rt->external.texture); + t->alloc_height = 0; + t->alloc_width = 0; + t->width = 0; + t->height = 0; + t->active = false; + texture_owner.free(rt->external.texture); + memdelete(t); + + rt->external.fbo = 0; + } + + if (rt->depth) { + if (config.support_depth_texture) { + glDeleteTextures(1, &rt->depth); + } else { + glDeleteRenderbuffers(1, &rt->depth); + } + + rt->depth = 0; + } + + Texture *tex = texture_owner.get_or_null(rt->texture); + tex->alloc_height = 0; + tex->alloc_width = 0; + tex->width = 0; + tex->height = 0; + tex->active = false; + + if (rt->copy_screen_effect.color) { + glDeleteFramebuffers(1, &rt->copy_screen_effect.fbo); + rt->copy_screen_effect.fbo = 0; + + glDeleteTextures(1, &rt->copy_screen_effect.color); + rt->copy_screen_effect.color = 0; + } + + for (int i = 0; i < 2; i++) { + if (rt->mip_maps[i].sizes.size()) { + for (int j = 0; j < rt->mip_maps[i].sizes.size(); j++) { + glDeleteFramebuffers(1, &rt->mip_maps[i].sizes[j].fbo); + glDeleteTextures(1, &rt->mip_maps[i].sizes[j].color); + } + + glDeleteTextures(1, &rt->mip_maps[i].color); + rt->mip_maps[i].sizes.clear(); + rt->mip_maps[i].levels = 0; + rt->mip_maps[i].color = 0; + } + } + + if (rt->multisample_active) { + glDeleteFramebuffers(1, &rt->multisample_fbo); + rt->multisample_fbo = 0; + + glDeleteRenderbuffers(1, &rt->multisample_depth); + rt->multisample_depth = 0; + + glDeleteRenderbuffers(1, &rt->multisample_color); + + rt->multisample_color = 0; + } +} + +RID RasterizerStorageGLES3::render_target_create() { +#ifdef OPENGL_DISABLE_RENDER_TARGETS +// return RID(); +#endif + + RenderTarget *rt = memnew(RenderTarget); + Texture *t = memnew(Texture); + + t->type = RenderingDevice::TEXTURE_TYPE_2D; + t->flags = 0; + t->width = 0; + t->height = 0; + t->alloc_height = 0; + t->alloc_width = 0; + t->format = Image::FORMAT_R8; + t->target = GL_TEXTURE_2D; + t->gl_format_cache = 0; + t->gl_internal_format_cache = 0; + t->gl_type_cache = 0; + t->data_size = 0; + t->total_data_size = 0; + t->ignore_mipmaps = false; + t->compressed = false; + t->mipmaps = 1; + t->active = true; + t->tex_id = 0; + t->render_target = rt; + + rt->texture = texture_owner.make_rid(t); + return render_target_owner.make_rid(rt); +} + +void RasterizerStorageGLES3::render_target_set_position(RID p_render_target, int p_x, int p_y) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->x = p_x; + rt->y = p_y; +} + +void RasterizerStorageGLES3::render_target_set_size(RID p_render_target, int p_width, int p_height, uint32_t p_view_count) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (p_width == rt->width && p_height == rt->height) + return; + + _render_target_clear(rt); + + rt->width = p_width; + rt->height = p_height; + + // print_line("render_target_set_size " + itos(p_render_target.get_id()) + ", w " + itos(p_width) + " h " + itos(p_height)); + + rt->allocate_is_dirty = true; + //_render_target_allocate(rt); +} + +RID RasterizerStorageGLES3::render_target_get_texture(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return RID(); +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, RID()); + + if (rt->external.fbo == 0) { + return rt->texture; + } else { + return rt->external.texture; + } +} + +void RasterizerStorageGLES3::render_target_set_external_texture(RID p_render_target, unsigned int p_texture_id) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (p_texture_id == 0) { + if (rt->external.fbo != 0) { + // free this + glDeleteFramebuffers(1, &rt->external.fbo); + + // and this + if (rt->external.depth != 0) { + glDeleteRenderbuffers(1, &rt->external.depth); + } + + // clean up our texture + Texture *t = texture_owner.get_or_null(rt->external.texture); + t->alloc_height = 0; + t->alloc_width = 0; + t->width = 0; + t->height = 0; + t->active = false; + texture_owner.free(rt->external.texture); + memdelete(t); + + rt->external.fbo = 0; + rt->external.color = 0; + rt->external.depth = 0; + } + } else { + Texture *t; + + if (rt->external.fbo == 0) { + // create our fbo + glGenFramebuffers(1, &rt->external.fbo); + bind_framebuffer(rt->external.fbo); + + // allocate a texture + t = memnew(Texture); + + t->type = RenderingDevice::TEXTURE_TYPE_2D; + t->flags = 0; + t->width = 0; + t->height = 0; + t->alloc_height = 0; + t->alloc_width = 0; + t->format = Image::FORMAT_RGBA8; + t->target = GL_TEXTURE_2D; + t->gl_format_cache = 0; + t->gl_internal_format_cache = 0; + t->gl_type_cache = 0; + t->data_size = 0; + t->compressed = false; + t->srgb = false; + t->total_data_size = 0; + t->ignore_mipmaps = false; + t->mipmaps = 1; + t->active = true; + t->tex_id = 0; + t->render_target = rt; + + rt->external.texture = texture_owner.make_rid(t); + + } else { + // bind our frame buffer + bind_framebuffer(rt->external.fbo); + + // find our texture + t = texture_owner.get_or_null(rt->external.texture); + } + + // set our texture + t->tex_id = p_texture_id; + rt->external.color = p_texture_id; + + // size shouldn't be different + t->width = rt->width; + t->height = rt->height; + t->alloc_height = rt->width; + t->alloc_width = rt->height; + + // Switch our texture on our frame buffer + { + // set our texture as the destination for our framebuffer + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, p_texture_id, 0); + + // seeing we're rendering into this directly, better also use our depth buffer, just use our existing one :) + if (config.support_depth_texture) { + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, rt->depth, 0); + } else { + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth); + } + } + + // check status and unbind + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + bind_framebuffer_system(); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + printf("framebuffer fail, status: %x\n", status); + } + + ERR_FAIL_COND(status != GL_FRAMEBUFFER_COMPLETE); + } +} + +void RasterizerStorageGLES3::render_target_set_flag(RID p_render_target, RenderTargetFlags p_flag, bool p_value) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + // When setting DIRECT_TO_SCREEN, you need to clear before the value is set, but allocate after as + // those functions change how they operate depending on the value of DIRECT_TO_SCREEN + if (p_flag == RENDER_TARGET_DIRECT_TO_SCREEN && p_value != rt->flags[RENDER_TARGET_DIRECT_TO_SCREEN]) { + _render_target_clear(rt); + rt->flags[p_flag] = p_value; + _render_target_allocate(rt); + } + + rt->flags[p_flag] = p_value; + + switch (p_flag) { + case RENDER_TARGET_TRANSPARENT: + /* + case RENDER_TARGET_HDR: + case RENDER_TARGET_NO_3D: + case RENDER_TARGET_NO_SAMPLING: + case RENDER_TARGET_NO_3D_EFFECTS: */ + { + //must reset for these formats + _render_target_clear(rt); + _render_target_allocate(rt); + } + break; + default: { + } + } +} + +bool RasterizerStorageGLES3::render_target_was_used(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return false; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, false); + + return rt->used_in_frame; +} + +void RasterizerStorageGLES3::render_target_clear_used(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->used_in_frame = false; +} + +void RasterizerStorageGLES3::render_target_set_msaa(RID p_render_target, RS::ViewportMSAA p_msaa) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (rt->msaa == p_msaa) + return; + + _render_target_clear(rt); + rt->msaa = p_msaa; + _render_target_allocate(rt); +} + +//RasterizerStorageGLES3::RenderTarget * RasterizerStorageGLES3::render_target_get(RID p_render_target) +//{ +// return render_target_owner.get_or_null(p_render_target); +//} + +void RasterizerStorageGLES3::render_target_set_use_fxaa(RID p_render_target, bool p_fxaa) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + rt->use_fxaa = p_fxaa; +} + +void RasterizerStorageGLES3::render_target_set_use_debanding(RID p_render_target, bool p_debanding) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + + if (p_debanding) { + WARN_PRINT_ONCE("Debanding is not supported in the OpenGL backend. Switch to the Vulkan backend and make sure HDR is enabled."); + } + + rt->use_debanding = p_debanding; +} + +void RasterizerStorageGLES3::render_target_request_clear(RID p_render_target, const Color &p_clear_color) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + rt->clear_requested = true; + rt->clear_color = p_clear_color; + + // ERR_FAIL_COND(!frame.current_rt); + // frame.clear_request = true; + // frame.clear_request_color = p_color; +} + +bool RasterizerStorageGLES3::render_target_is_clear_requested(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return false; +#endif + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, false); + return rt->clear_requested; +} +Color RasterizerStorageGLES3::render_target_get_clear_request_color(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return Color(); +#endif + + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND_V(!rt, Color()); + return rt->clear_color; +} + +void RasterizerStorageGLES3::render_target_disable_clear_request(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + rt->clear_requested = false; +} + +void RasterizerStorageGLES3::render_target_do_clear_request(RID p_render_target) { +#ifdef OPENGL_DISABLE_RENDER_TARGETS + return; +#endif + + // NEW for GLES... + // This is being called at the wrong time. Instead it will be performed + // at canvas begin + return; + + /* + RenderTarget *rt = render_target_owner.get_or_null(p_render_target); + ERR_FAIL_COND(!rt); + if (!rt->clear_requested) { + return; + } + + const Color &c = rt->clear_color; + + glClearColor(c.r, c.g, c.b, c.a); + // more bits? + glClear(GL_COLOR_BUFFER_BIT); + */ +} + +void RasterizerStorageGLES3::render_target_set_sdf_size_and_scale(RID p_render_target, RS::ViewportSDFOversize p_size, RS::ViewportSDFScale p_scale) { +} + +Rect2i RasterizerStorageGLES3::render_target_get_sdf_rect(RID p_render_target) const { + return Rect2i(); +} + +void RasterizerStorageGLES3::render_target_mark_sdf_enabled(RID p_render_target, bool p_enabled) { +} + +/* CANVAS SHADOW */ + +RID RasterizerStorageGLES3::canvas_light_shadow_buffer_create(int p_width) { + CanvasLightShadow *cls = memnew(CanvasLightShadow); + + if (p_width > config.max_texture_size) + p_width = config.max_texture_size; + + cls->size = p_width; + cls->height = 16; + + glActiveTexture(GL_TEXTURE0); + + glGenFramebuffers(1, &cls->fbo); + bind_framebuffer(cls->fbo); + + glGenRenderbuffers(1, &cls->depth); + glBindRenderbuffer(GL_RENDERBUFFER, cls->depth); + glRenderbufferStorage(GL_RENDERBUFFER, config.depth_buffer_internalformat, cls->size, cls->height); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, cls->depth); + + glGenTextures(1, &cls->distance); + glBindTexture(GL_TEXTURE_2D, cls->distance); + if (config.use_rgba_2d_shadows) { + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cls->size, cls->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + } else { +#ifdef GLES_OVER_GL + glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, cls->size, cls->height, 0, _RED_OES, GL_FLOAT, NULL); +#else + glTexImage2D(GL_TEXTURE_2D, 0, GL_FLOAT, cls->size, cls->height, 0, _RED_OES, GL_FLOAT, NULL); +#endif + } + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, cls->distance, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + //printf("errnum: %x\n",status); + bind_framebuffer_system(); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + memdelete(cls); + ERR_FAIL_COND_V(status != GL_FRAMEBUFFER_COMPLETE, RID()); + } + + return canvas_light_shadow_owner.make_rid(cls); +} + +/* LIGHT SHADOW MAPPING */ +/* + +RID RasterizerStorageGLES3::canvas_light_occluder_create() { + CanvasOccluder *co = memnew(CanvasOccluder); + co->index_id = 0; + co->vertex_id = 0; + co->len = 0; + + return canvas_occluder_owner.make_rid(co); +} + +void RasterizerStorageGLES3::canvas_light_occluder_set_polylines(RID p_occluder, const PoolVector<Vector2> &p_lines) { + CanvasOccluder *co = canvas_occluder_owner.get(p_occluder); + ERR_FAIL_COND(!co); + + co->lines = p_lines; + + if (p_lines.size() != co->len) { + if (co->index_id) + glDeleteBuffers(1, &co->index_id); + if (co->vertex_id) + glDeleteBuffers(1, &co->vertex_id); + + co->index_id = 0; + co->vertex_id = 0; + co->len = 0; + } + + if (p_lines.size()) { + PoolVector<float> geometry; + PoolVector<uint16_t> indices; + int lc = p_lines.size(); + + geometry.resize(lc * 6); + indices.resize(lc * 3); + + PoolVector<float>::Write vw = geometry.write(); + PoolVector<uint16_t>::Write iw = indices.write(); + + PoolVector<Vector2>::Read lr = p_lines.read(); + + const int POLY_HEIGHT = 16384; + + for (int i = 0; i < lc / 2; i++) { + vw[i * 12 + 0] = lr[i * 2 + 0].x; + vw[i * 12 + 1] = lr[i * 2 + 0].y; + vw[i * 12 + 2] = POLY_HEIGHT; + + vw[i * 12 + 3] = lr[i * 2 + 1].x; + vw[i * 12 + 4] = lr[i * 2 + 1].y; + vw[i * 12 + 5] = POLY_HEIGHT; + + vw[i * 12 + 6] = lr[i * 2 + 1].x; + vw[i * 12 + 7] = lr[i * 2 + 1].y; + vw[i * 12 + 8] = -POLY_HEIGHT; + + vw[i * 12 + 9] = lr[i * 2 + 0].x; + vw[i * 12 + 10] = lr[i * 2 + 0].y; + vw[i * 12 + 11] = -POLY_HEIGHT; + + iw[i * 6 + 0] = i * 4 + 0; + iw[i * 6 + 1] = i * 4 + 1; + iw[i * 6 + 2] = i * 4 + 2; + + iw[i * 6 + 3] = i * 4 + 2; + iw[i * 6 + 4] = i * 4 + 3; + iw[i * 6 + 5] = i * 4 + 0; + } + + //if same buffer len is being set, just use BufferSubData to avoid a pipeline flush + + if (!co->vertex_id) { + glGenBuffers(1, &co->vertex_id); + glBindBuffer(GL_ARRAY_BUFFER, co->vertex_id); + glBufferData(GL_ARRAY_BUFFER, lc * 6 * sizeof(real_t), vw.ptr(), GL_STATIC_DRAW); + } else { + glBindBuffer(GL_ARRAY_BUFFER, co->vertex_id); + glBufferSubData(GL_ARRAY_BUFFER, 0, lc * 6 * sizeof(real_t), vw.ptr()); + } + + glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind + + if (!co->index_id) { + glGenBuffers(1, &co->index_id); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, co->index_id); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, lc * 3 * sizeof(uint16_t), iw.ptr(), GL_DYNAMIC_DRAW); + } else { + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, co->index_id); + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, lc * 3 * sizeof(uint16_t), iw.ptr()); + } + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); //unbind + + co->len = lc; + } +} +*/ + +RS::InstanceType RasterizerStorageGLES3::get_base_type(RID p_rid) const { + return RS::INSTANCE_NONE; + + /* + if (mesh_owner.owns(p_rid)) { + return RS::INSTANCE_MESH; + } else if (light_owner.owns(p_rid)) { + return RS::INSTANCE_LIGHT; + } else if (multimesh_owner.owns(p_rid)) { + return RS::INSTANCE_MULTIMESH; + } else if (immediate_owner.owns(p_rid)) { + return RS::INSTANCE_IMMEDIATE; + } else if (reflection_probe_owner.owns(p_rid)) { + return RS::INSTANCE_REFLECTION_PROBE; + } else if (lightmap_capture_data_owner.owns(p_rid)) { + return RS::INSTANCE_LIGHTMAP_CAPTURE; + } else { + return RS::INSTANCE_NONE; + } +*/ +} + +bool RasterizerStorageGLES3::free(RID p_rid) { + if (render_target_owner.owns(p_rid)) { + RenderTarget *rt = render_target_owner.get_or_null(p_rid); + _render_target_clear(rt); + + Texture *t = texture_owner.get_or_null(rt->texture); + if (t) { + texture_owner.free(rt->texture); + memdelete(t); + } + render_target_owner.free(p_rid); + memdelete(rt); + + return true; + } else if (texture_owner.owns(p_rid)) { + Texture *t = texture_owner.get_or_null(p_rid); + // can't free a render target texture + ERR_FAIL_COND_V(t->render_target, true); + + info.texture_mem -= t->total_data_size; + texture_owner.free(p_rid); + memdelete(t); + + return true; + } else if (sky_owner.owns(p_rid)) { + Sky *sky = sky_owner.get_or_null(p_rid); + sky_set_texture(p_rid, RID(), 256); + sky_owner.free(p_rid); + memdelete(sky); + + return true; + } else if (shader_owner.owns(p_rid)) { + Shader *shader = shader_owner.get_or_null(p_rid); + + if (shader->shader && shader->custom_code_id) { + shader->shader->free_custom_shader(shader->custom_code_id); + } + + if (shader->dirty_list.in_list()) { + _shader_dirty_list.remove(&shader->dirty_list); + } + + while (shader->materials.first()) { + Material *m = shader->materials.first()->self(); + + m->shader = NULL; + _material_make_dirty(m); + + shader->materials.remove(shader->materials.first()); + } + + shader_owner.free(p_rid); + memdelete(shader); + + return true; + } else if (material_owner.owns(p_rid)) { + Material *m = material_owner.get_or_null(p_rid); + + if (m->shader) { + m->shader->materials.remove(&m->list); + } + + /* + for (Map<Geometry *, int>::Element *E = m->geometry_owners.front(); E; E = E->next()) { + Geometry *g = E->key(); + g->material = RID(); + } + + for (Map<InstanceBaseDependency *, int>::Element *E = m->instance_owners.front(); E; E = E->next()) { + InstanceBaseDependency *ins = E->key(); + + if (ins->material_override == p_rid) { + ins->material_override = RID(); + } + + for (int i = 0; i < ins->materials.size(); i++) { + if (ins->materials[i] == p_rid) { + ins->materials.write[i] = RID(); + } + } + } +*/ + + material_owner.free(p_rid); + memdelete(m); + + return true; + + } else { + return false; + } + /* + } else if (skeleton_owner.owns(p_rid)) { + Skeleton *s = skeleton_owner.get_or_null(p_rid); + + if (s->update_list.in_list()) { + skeleton_update_list.remove(&s->update_list); + } + + for (Set<InstanceBaseDependency *>::Element *E = s->instances.front(); E; E = E->next()) { + E->get()->skeleton = RID(); + } + + skeleton_allocate(p_rid, 0, false); + + if (s->tex_id) { + glDeleteTextures(1, &s->tex_id); + } + + skeleton_owner.free(p_rid); + memdelete(s); + + return true; + } else if (mesh_owner.owns(p_rid)) { + Mesh *mesh = mesh_owner.get_or_null(p_rid); + + mesh->instance_remove_deps(); + mesh_clear(p_rid); + + while (mesh->multimeshes.first()) { + MultiMesh *multimesh = mesh->multimeshes.first()->self(); + multimesh->mesh = RID(); + multimesh->dirty_aabb = true; + + mesh->multimeshes.remove(mesh->multimeshes.first()); + + if (!multimesh->update_list.in_list()) { + multimesh_update_list.add(&multimesh->update_list); + } + } + + mesh_owner.free(p_rid); + memdelete(mesh); + + return true; + } else if (multimesh_owner.owns(p_rid)) { + MultiMesh *multimesh = multimesh_owner.get_or_null(p_rid); + multimesh->instance_remove_deps(); + + if (multimesh->mesh.is_valid()) { + Mesh *mesh = mesh_owner.get_or_null(multimesh->mesh); + if (mesh) { + mesh->multimeshes.remove(&multimesh->mesh_list); + } + } + + multimesh_allocate(p_rid, 0, RS::MULTIMESH_TRANSFORM_3D, RS::MULTIMESH_COLOR_NONE); + + update_dirty_multimeshes(); + + multimesh_owner.free(p_rid); + memdelete(multimesh); + + return true; + } else if (immediate_owner.owns(p_rid)) { + Immediate *im = immediate_owner.get_or_null(p_rid); + im->instance_remove_deps(); + + immediate_owner.free(p_rid); + memdelete(im); + + return true; + } else if (light_owner.owns(p_rid)) { + Light *light = light_owner.get_or_null(p_rid); + light->instance_remove_deps(); + + light_owner.free(p_rid); + memdelete(light); + + return true; + } else if (reflection_probe_owner.owns(p_rid)) { + // delete the texture + ReflectionProbe *reflection_probe = reflection_probe_owner.get_or_null(p_rid); + reflection_probe->instance_remove_deps(); + + reflection_probe_owner.free(p_rid); + memdelete(reflection_probe); + + return true; + } else if (lightmap_capture_data_owner.owns(p_rid)) { + // delete the texture + LightmapCapture *lightmap_capture = lightmap_capture_data_owner.get_or_null(p_rid); + lightmap_capture->instance_remove_deps(); + + lightmap_capture_data_owner.free(p_rid); + memdelete(lightmap_capture); + return true; + + } else if (canvas_occluder_owner.owns(p_rid)) { + CanvasOccluder *co = canvas_occluder_owner.get_or_null(p_rid); + if (co->index_id) + glDeleteBuffers(1, &co->index_id); + if (co->vertex_id) + glDeleteBuffers(1, &co->vertex_id); + + canvas_occluder_owner.free(p_rid); + memdelete(co); + + return true; + + } else if (canvas_light_shadow_owner.owns(p_rid)) { + CanvasLightShadow *cls = canvas_light_shadow_owner.get_or_null(p_rid); + glDeleteFramebuffers(1, &cls->fbo); + glDeleteRenderbuffers(1, &cls->depth); + glDeleteTextures(1, &cls->distance); + canvas_light_shadow_owner.free(p_rid); + memdelete(cls); + + return true; + */ +} + +bool RasterizerStorageGLES3::has_os_feature(const String &p_feature) const { + if (p_feature == "pvrtc") + return config.pvrtc_supported; + + if (p_feature == "s3tc") + return config.s3tc_supported; + + if (p_feature == "etc") + return config.etc_supported; + + if (p_feature == "skinning_fallback") + return config.use_skeleton_software; + + return false; +} + +//////////////////////////////////////////// + +void RasterizerStorageGLES3::set_debug_generate_wireframes(bool p_generate) { +} + +//void RasterizerStorageGLES3::render_info_begin_capture() { +// info.snap = info.render; +//} + +//void RasterizerStorageGLES3::render_info_end_capture() { +// info.snap.object_count = info.render.object_count - info.snap.object_count; +// info.snap.draw_call_count = info.render.draw_call_count - info.snap.draw_call_count; +// info.snap.material_switch_count = info.render.material_switch_count - info.snap.material_switch_count; +// info.snap.surface_switch_count = info.render.surface_switch_count - info.snap.surface_switch_count; +// info.snap.shader_rebind_count = info.render.shader_rebind_count - info.snap.shader_rebind_count; +// info.snap.vertices_count = info.render.vertices_count - info.snap.vertices_count; +// info.snap._2d_item_count = info.render._2d_item_count - info.snap._2d_item_count; +// info.snap._2d_draw_call_count = info.render._2d_draw_call_count - info.snap._2d_draw_call_count; +//} + +//int RasterizerStorageGLES3::get_captured_render_info(RS::RenderInfo p_info) { +// switch (p_info) { +// case RS::INFO_OBJECTS_IN_FRAME: { +// return info.snap.object_count; +// } break; +// case RS::INFO_VERTICES_IN_FRAME: { +// return info.snap.vertices_count; +// } break; +// case RS::INFO_MATERIAL_CHANGES_IN_FRAME: { +// return info.snap.material_switch_count; +// } break; +// case RS::INFO_SHADER_CHANGES_IN_FRAME: { +// return info.snap.shader_rebind_count; +// } break; +// case RS::INFO_SURFACE_CHANGES_IN_FRAME: { +// return info.snap.surface_switch_count; +// } break; +// case RS::INFO_DRAW_CALLS_IN_FRAME: { +// return info.snap.draw_call_count; +// } break; +// /* +// case RS::INFO_2D_ITEMS_IN_FRAME: { +// return info.snap._2d_item_count; +// } break; +// case RS::INFO_2D_DRAW_CALLS_IN_FRAME: { +// return info.snap._2d_draw_call_count; +// } break; +// */ +// default: { +// return get_render_info(p_info); +// } +// } +//} + +//int RasterizerStorageGLES3::get_render_info(RS::RenderInfo p_info) { +// switch (p_info) { +// case RS::INFO_OBJECTS_IN_FRAME: +// return info.render_final.object_count; +// case RS::INFO_VERTICES_IN_FRAME: +// return info.render_final.vertices_count; +// case RS::INFO_MATERIAL_CHANGES_IN_FRAME: +// return info.render_final.material_switch_count; +// case RS::INFO_SHADER_CHANGES_IN_FRAME: +// return info.render_final.shader_rebind_count; +// case RS::INFO_SURFACE_CHANGES_IN_FRAME: +// return info.render_final.surface_switch_count; +// case RS::INFO_DRAW_CALLS_IN_FRAME: +// return info.render_final.draw_call_count; +// /* +// case RS::INFO_2D_ITEMS_IN_FRAME: +// return info.render_final._2d_item_count; +// case RS::INFO_2D_DRAW_CALLS_IN_FRAME: +// return info.render_final._2d_draw_call_count; +//*/ +// case RS::INFO_USAGE_VIDEO_MEM_TOTAL: +// return 0; //no idea +// case RS::INFO_VIDEO_MEM_USED: +// return info.vertex_mem + info.texture_mem; +// case RS::INFO_TEXTURE_MEM_USED: +// return info.texture_mem; +// case RS::INFO_VERTEX_MEM_USED: +// return info.vertex_mem; +// default: +// return 0; //no idea either +// } +//} + +String RasterizerStorageGLES3::get_video_adapter_name() const { + return (const char *)glGetString(GL_RENDERER); +} + +String RasterizerStorageGLES3::get_video_adapter_vendor() const { + return (const char *)glGetString(GL_VENDOR); +} + +void RasterizerStorageGLES3::initialize() { + RasterizerStorageGLES3::system_fbo = 0; + + { + const GLubyte *extension_string = glGetString(GL_EXTENSIONS); + + Vector<String> extensions = String((const char *)extension_string).split(" "); + + for (int i = 0; i < extensions.size(); i++) { + config.extensions.insert(extensions[i]); + } + } + + // FTODO + config.keep_original_textures = true; // false + config.shrink_textures_x2 = false; + config.depth_internalformat = GL_DEPTH_COMPONENT; + config.depth_type = GL_UNSIGNED_INT; + +#ifdef GLES_OVER_GL + config.float_texture_supported = true; + config.s3tc_supported = true; + config.pvrtc_supported = false; + config.etc_supported = false; + config.support_npot_repeat_mipmap = true; + config.depth_buffer_internalformat = GL_DEPTH_COMPONENT24; +#else + config.float_texture_supported = config.extensions.has("GL_ARB_texture_float") || config.extensions.has("GL_OES_texture_float"); + config.s3tc_supported = config.extensions.has("GL_EXT_texture_compression_s3tc") || config.extensions.has("WEBGL_compressed_texture_s3tc"); + config.etc_supported = config.extensions.has("GL_OES_compressed_ETC1_RGB8_texture") || config.extensions.has("WEBGL_compressed_texture_etc1"); + config.pvrtc_supported = config.extensions.has("GL_IMG_texture_compression_pvrtc") || config.extensions.has("WEBGL_compressed_texture_pvrtc"); + config.support_npot_repeat_mipmap = config.extensions.has("GL_OES_texture_npot"); + +#ifdef JAVASCRIPT_ENABLED + // RenderBuffer internal format must be 16 bits in WebGL, + // but depth_texture should default to 32 always + // if the implementation doesn't support 32, it should just quietly use 16 instead + // https://www.khronos.org/registry/webgl/extensions/WEBGL_depth_texture/ + config.depth_buffer_internalformat = GL_DEPTH_COMPONENT16; + config.depth_type = GL_UNSIGNED_INT; +#else + // on mobile check for 24 bit depth support for RenderBufferStorage + if (config.extensions.has("GL_OES_depth24")) { + config.depth_buffer_internalformat = _DEPTH_COMPONENT24_OES; + config.depth_type = GL_UNSIGNED_INT; + } else { + config.depth_buffer_internalformat = GL_DEPTH_COMPONENT16; + config.depth_type = GL_UNSIGNED_SHORT; + } +#endif +#endif + +#ifdef GLES_OVER_GL + //TODO: causes huge problems with desktop video drivers. Making false for now, needs to be true to render SCREEN_TEXTURE mipmaps + config.render_to_mipmap_supported = false; +#else + //check if mipmaps can be used for SCREEN_TEXTURE and Glow on Mobile and web platforms + config.render_to_mipmap_supported = config.extensions.has("GL_OES_fbo_render_mipmap") && config.extensions.has("GL_EXT_texture_lod"); +#endif + +#ifdef GLES_OVER_GL + config.use_rgba_2d_shadows = false; + config.support_depth_texture = true; + config.use_rgba_3d_shadows = false; + config.support_depth_cubemaps = true; +#else + config.use_rgba_2d_shadows = !(config.float_texture_supported && config.extensions.has("GL_EXT_texture_rg")); + config.support_depth_texture = config.extensions.has("GL_OES_depth_texture") || config.extensions.has("WEBGL_depth_texture"); + config.use_rgba_3d_shadows = !config.support_depth_texture; + config.support_depth_cubemaps = config.extensions.has("GL_OES_depth_texture_cube_map"); +#endif + +#ifdef GLES_OVER_GL + config.support_32_bits_indices = true; +#else + config.support_32_bits_indices = config.extensions.has("GL_OES_element_index_uint"); +#endif + +#ifdef GLES_OVER_GL + config.support_write_depth = true; +#elif defined(JAVASCRIPT_ENABLED) + config.support_write_depth = false; +#else + config.support_write_depth = config.extensions.has("GL_EXT_frag_depth"); +#endif + + config.support_half_float_vertices = true; +//every platform should support this except web, iOS has issues with their support, so add option to disable +#ifdef JAVASCRIPT_ENABLED + config.support_half_float_vertices = false; +#endif + bool disable_half_float = false; //GLOBAL_GET("rendering/opengl/compatibility/disable_half_float"); + if (disable_half_float) { + config.support_half_float_vertices = false; + } + + config.etc_supported = config.extensions.has("GL_OES_compressed_ETC1_RGB8_texture"); + config.latc_supported = config.extensions.has("GL_EXT_texture_compression_latc"); + config.bptc_supported = config.extensions.has("GL_ARB_texture_compression_bptc"); + config.pvrtc_supported = config.extensions.has("GL_IMG_texture_compression_pvrtc"); + config.rgtc_supported = config.extensions.has("GL_EXT_texture_compression_rgtc") || config.extensions.has("GL_ARB_texture_compression_rgtc") || config.extensions.has("EXT_texture_compression_rgtc"); + config.bptc_supported = config.extensions.has("GL_ARB_texture_compression_bptc") || config.extensions.has("EXT_texture_compression_bptc"); + config.srgb_decode_supported = config.extensions.has("GL_EXT_texture_sRGB_decode"); + //determine formats for depth textures (or renderbuffers) + if (config.support_depth_texture) { + // Will use texture for depth + // have to manually see if we can create a valid framebuffer texture using UNSIGNED_INT, + // as there is no extension to test for this. + GLuint fbo; + glGenFramebuffers(1, &fbo); + bind_framebuffer(fbo); + GLuint depth; + glGenTextures(1, &depth); + glBindTexture(GL_TEXTURE_2D, depth); + glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, config.depth_type, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth, 0); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + + bind_framebuffer_system(); + glDeleteFramebuffers(1, &fbo); + glBindTexture(GL_TEXTURE_2D, 0); + glDeleteTextures(1, &depth); + + if (status != GL_FRAMEBUFFER_COMPLETE) { + // If it fails, test to see if it supports a framebuffer texture using UNSIGNED_SHORT + // This is needed because many OSX devices don't support either UNSIGNED_INT or UNSIGNED_SHORT +#ifdef GLES_OVER_GL + config.depth_internalformat = GL_DEPTH_COMPONENT16; +#else + // OES_depth_texture extension only specifies GL_DEPTH_COMPONENT. + config.depth_internalformat = GL_DEPTH_COMPONENT; +#endif + config.depth_type = GL_UNSIGNED_SHORT; + + glGenFramebuffers(1, &fbo); + bind_framebuffer(fbo); + + glGenTextures(1, &depth); + glBindTexture(GL_TEXTURE_2D, depth); + glTexImage2D(GL_TEXTURE_2D, 0, config.depth_internalformat, 32, 32, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depth, 0); + + status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + //if it fails again depth textures aren't supported, use rgba shadows and renderbuffer for depth + config.support_depth_texture = false; + config.use_rgba_3d_shadows = true; + } + + bind_framebuffer_system(); + glDeleteFramebuffers(1, &fbo); + glBindTexture(GL_TEXTURE_2D, 0); + glDeleteTextures(1, &depth); + } + } + + //picky requirements for these + config.support_shadow_cubemaps = config.support_depth_texture && config.support_write_depth && config.support_depth_cubemaps; + + frame.count = 0; + frame.delta = 0; + frame.current_rt = NULL; + frame.clear_request = false; + + glGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS, &config.max_vertex_texture_image_units); + glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &config.max_texture_image_units); + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &config.max_texture_size); + + // the use skeleton software path should be used if either float texture is not supported, + // OR max_vertex_texture_image_units is zero + config.use_skeleton_software = (config.float_texture_supported == false) || (config.max_vertex_texture_image_units == 0); + + shaders.copy.init(); + shaders.cubemap_filter.init(); + bool ggx_hq = false; //GLOBAL_GET("rendering/quality/reflections/high_quality_ggx"); + shaders.cubemap_filter.set_conditional(CubemapFilterShaderGLES3::LOW_QUALITY, !ggx_hq); + + { + // quad for copying stuff + + glGenBuffers(1, &resources.quadie); + glBindBuffer(GL_ARRAY_BUFFER, resources.quadie); + { + const float qv[16] = { + -1, + -1, + 0, + 0, + -1, + 1, + 0, + 1, + 1, + 1, + 1, + 1, + 1, + -1, + 1, + 0, + }; + + glBufferData(GL_ARRAY_BUFFER, sizeof(float) * 16, qv, GL_STATIC_DRAW); + } + + glBindBuffer(GL_ARRAY_BUFFER, 0); + } + + { + //default textures + + glGenTextures(1, &resources.white_tex); + unsigned char whitetexdata[8 * 8 * 3]; + for (int i = 0; i < 8 * 8 * 3; i++) { + whitetexdata[i] = 255; + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, resources.white_tex); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE, whitetexdata); + glGenerateMipmap(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, 0); + + glGenTextures(1, &resources.black_tex); + unsigned char blacktexdata[8 * 8 * 3]; + for (int i = 0; i < 8 * 8 * 3; i++) { + blacktexdata[i] = 0; + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, resources.black_tex); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE, blacktexdata); + glGenerateMipmap(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, 0); + + glGenTextures(1, &resources.normal_tex); + unsigned char normaltexdata[8 * 8 * 3]; + for (int i = 0; i < 8 * 8 * 3; i += 3) { + normaltexdata[i + 0] = 128; + normaltexdata[i + 1] = 128; + normaltexdata[i + 2] = 255; + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, resources.normal_tex); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE, normaltexdata); + glGenerateMipmap(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, 0); + + glGenTextures(1, &resources.aniso_tex); + unsigned char anisotexdata[8 * 8 * 3]; + for (int i = 0; i < 8 * 8 * 3; i += 3) { + anisotexdata[i + 0] = 255; + anisotexdata[i + 1] = 128; + anisotexdata[i + 2] = 0; + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, resources.aniso_tex); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE, anisotexdata); + glGenerateMipmap(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_2D, 0); + } + + // skeleton buffer + { + resources.skeleton_transform_buffer_size = 0; + glGenBuffers(1, &resources.skeleton_transform_buffer); + } + + // radical inverse vdc cache texture + // used for cubemap filtering + if (true /*||config.float_texture_supported*/) { //uint8 is similar and works everywhere + glGenTextures(1, &resources.radical_inverse_vdc_cache_tex); + + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, resources.radical_inverse_vdc_cache_tex); + + uint8_t radical_inverse[512]; + + for (uint32_t i = 0; i < 512; i++) { + uint32_t bits = i; + + bits = (bits << 16) | (bits >> 16); + bits = ((bits & 0x55555555) << 1) | ((bits & 0xAAAAAAAA) >> 1); + bits = ((bits & 0x33333333) << 2) | ((bits & 0xCCCCCCCC) >> 2); + bits = ((bits & 0x0F0F0F0F) << 4) | ((bits & 0xF0F0F0F0) >> 4); + bits = ((bits & 0x00FF00FF) << 8) | ((bits & 0xFF00FF00) >> 8); + + float value = float(bits) * 2.3283064365386963e-10; + radical_inverse[i] = uint8_t(CLAMP(value * 255.0, 0, 255)); + } + + glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 512, 1, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, radical_inverse); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); //need this for proper sampling + + glBindTexture(GL_TEXTURE_2D, 0); + } + + { + glGenFramebuffers(1, &resources.mipmap_blur_fbo); + glGenTextures(1, &resources.mipmap_blur_color); + } + +#ifdef GLES_OVER_GL + //this needs to be enabled manually in OpenGL 2.1 + + if (config.extensions.has("GL_ARB_seamless_cube_map")) { + glEnable(_EXT_TEXTURE_CUBE_MAP_SEAMLESS); + } + glEnable(GL_POINT_SPRITE); + glEnable(GL_VERTEX_PROGRAM_POINT_SIZE); +#endif + + config.force_vertex_shading = false; //GLOBAL_GET("rendering/quality/shading/force_vertex_shading"); + config.use_fast_texture_filter = false; //GLOBAL_GET("rendering/quality/filters/use_nearest_mipmap_filter"); + //config.should_orphan = GLOBAL_GET("rendering/options/api_usage_legacy/orphan_buffers"); +} + +void RasterizerStorageGLES3::finalize() { +} + +void RasterizerStorageGLES3::_copy_screen() { + bind_quad_array(); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); +} + +void RasterizerStorageGLES3::update_memory_info() { +} + +uint64_t RasterizerStorageGLES3::get_rendering_info(RS::RenderingInfo p_info) { + return 0; +} + +void RasterizerStorageGLES3::update_dirty_resources() { + update_dirty_shaders(); + update_dirty_materials(); + // update_dirty_skeletons(); + // update_dirty_multimeshes(); +} + +RasterizerStorageGLES3::RasterizerStorageGLES3() { + RasterizerStorageGLES3::system_fbo = 0; + config.should_orphan = true; +} + +#endif // GLES3_BACKEND_ENABLED |