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Diffstat (limited to 'drivers/gles3/storage/texture_storage.h')
| -rw-r--r-- | drivers/gles3/storage/texture_storage.h | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/drivers/gles3/storage/texture_storage.h b/drivers/gles3/storage/texture_storage.h new file mode 100644 index 0000000000..8a921fbe10 --- /dev/null +++ b/drivers/gles3/storage/texture_storage.h @@ -0,0 +1,389 @@ +/*************************************************************************/ +/* texture_storage.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 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. */ +/*************************************************************************/ + +#ifndef TEXTURE_STORAGE_GLES3_H +#define TEXTURE_STORAGE_GLES3_H + +#ifdef GLES3_ENABLED + +#include "canvas_texture_storage.h" +#include "config.h" +#include "core/os/os.h" +#include "core/templates/rid_owner.h" +#include "render_target_storage.h" +#include "servers/rendering/storage/texture_storage.h" + +namespace GLES3 { + +#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_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 + +enum OpenGLTextureFlags { + TEXTURE_FLAG_MIPMAPS = 1, /// Enable automatic mipmap generation - when available + TEXTURE_FLAG_REPEAT = 2, /// Repeat texture (Tiling), otherwise Clamping + TEXTURE_FLAG_FILTER = 4, /// Create texture with linear (or available) filter + TEXTURE_FLAG_ANISOTROPIC_FILTER = 8, + TEXTURE_FLAG_CONVERT_TO_LINEAR = 16, + TEXTURE_FLAG_MIRRORED_REPEAT = 32, /// Repeat texture, with alternate sections mirrored + TEXTURE_FLAG_USED_FOR_STREAMING = 2048, + TEXTURE_FLAGS_DEFAULT = TEXTURE_FLAG_REPEAT | TEXTURE_FLAG_MIPMAPS | TEXTURE_FLAG_FILTER +}; + +struct Texture { + RID self; + + Texture *proxy; + Set<Texture *> proxy_owners; + + String path; + uint32_t flags; + int width, height, depth; + int alloc_width, alloc_height; + Image::Format format; + RenderingDevice::TextureType type; + + GLenum target; + GLenum gl_format_cache; + GLenum gl_internal_format_cache; + GLenum gl_type_cache; + + int data_size; + int total_data_size; + bool ignore_mipmaps; + + bool compressed; + + bool srgb; + + int mipmaps; + + bool resize_to_po2; + + bool active; + GLenum tex_id; + + uint16_t stored_cube_sides; + + RenderTarget *render_target; + + Vector<Ref<Image>> images; + + bool redraw_if_visible; + + RS::TextureDetectCallback detect_3d; + void *detect_3d_ud; + + RS::TextureDetectCallback detect_srgb; + void *detect_srgb_ud; + + RS::TextureDetectCallback detect_normal; + void *detect_normal_ud; + + CanvasTexture *canvas_texture = nullptr; + + // some silly opengl shenanigans where + // texture coords start from bottom left, means we need to draw render target textures upside down + // to be compatible with vulkan etc. + bool is_upside_down() const { + if (proxy) { + return proxy->is_upside_down(); + } + + return render_target != nullptr; + } + + Texture() { + create(); + } + + _ALWAYS_INLINE_ Texture *get_ptr() { + if (proxy) { + return proxy; //->get_ptr(); only one level of indirection, else not inlining possible. + } else { + return this; + } + } + + ~Texture() { + destroy(); + + if (tex_id != 0) { + glDeleteTextures(1, &tex_id); + } + } + + void copy_from(const Texture &o) { + proxy = o.proxy; + flags = o.flags; + width = o.width; + height = o.height; + alloc_width = o.alloc_width; + alloc_height = o.alloc_height; + format = o.format; + type = o.type; + target = o.target; + data_size = o.data_size; + total_data_size = o.total_data_size; + ignore_mipmaps = o.ignore_mipmaps; + compressed = o.compressed; + mipmaps = o.mipmaps; + resize_to_po2 = o.resize_to_po2; + active = o.active; + tex_id = o.tex_id; + stored_cube_sides = o.stored_cube_sides; + render_target = o.render_target; + redraw_if_visible = o.redraw_if_visible; + detect_3d = o.detect_3d; + detect_3d_ud = o.detect_3d_ud; + detect_srgb = o.detect_srgb; + detect_srgb_ud = o.detect_srgb_ud; + detect_normal = o.detect_normal; + detect_normal_ud = o.detect_normal_ud; + + images.clear(); + } + + void create() { + proxy = nullptr; + flags = 0; + width = 0; + height = 0; + alloc_width = 0; + alloc_height = 0; + format = Image::FORMAT_L8; + type = RenderingDevice::TEXTURE_TYPE_2D; + target = 0; + data_size = 0; + total_data_size = 0; + ignore_mipmaps = false; + compressed = false; + mipmaps = 0; + resize_to_po2 = false; + active = false; + tex_id = 0; + stored_cube_sides = 0; + render_target = nullptr; + redraw_if_visible = false; + detect_3d = nullptr; + detect_3d_ud = nullptr; + detect_srgb = nullptr; + detect_srgb_ud = nullptr; + detect_normal = nullptr; + detect_normal_ud = nullptr; + } + void destroy() { + images.clear(); + + for (Set<Texture *>::Element *E = proxy_owners.front(); E; E = E->next()) { + E->get()->proxy = nullptr; + } + + if (proxy) { + proxy->proxy_owners.erase(this); + } + } + + // texture state + void GLSetFilter(GLenum p_target, RS::CanvasItemTextureFilter p_filter) { + if (p_filter == state_filter) { + return; + } + state_filter = p_filter; + GLint pmin = GL_LINEAR; // param min + GLint pmag = GL_LINEAR; // param mag + switch (state_filter) { + default: { + } break; + case RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR_WITH_MIPMAPS: { + pmin = GL_LINEAR_MIPMAP_LINEAR; + pmag = GL_LINEAR; + } break; + case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST: { + pmin = GL_NEAREST; + pmag = GL_NEAREST; + } break; + case RS::CANVAS_ITEM_TEXTURE_FILTER_NEAREST_WITH_MIPMAPS: { + pmin = GL_NEAREST_MIPMAP_NEAREST; + pmag = GL_NEAREST; + } break; + } + glTexParameteri(p_target, GL_TEXTURE_MIN_FILTER, pmin); + glTexParameteri(p_target, GL_TEXTURE_MAG_FILTER, pmag); + } + void GLSetRepeat(GLenum p_target, RS::CanvasItemTextureRepeat p_repeat) { + if (p_repeat == state_repeat) { + return; + } + state_repeat = p_repeat; + GLint prep = GL_CLAMP_TO_EDGE; // parameter repeat + switch (state_repeat) { + default: { + } break; + case RS::CANVAS_ITEM_TEXTURE_REPEAT_ENABLED: { + prep = GL_REPEAT; + } break; + case RS::CANVAS_ITEM_TEXTURE_REPEAT_MIRROR: { + prep = GL_MIRRORED_REPEAT; + } break; + } + glTexParameteri(p_target, GL_TEXTURE_WRAP_S, prep); + glTexParameteri(p_target, GL_TEXTURE_WRAP_T, prep); + } + +private: + RS::CanvasItemTextureFilter state_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR; + RS::CanvasItemTextureRepeat state_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED; +}; + +class TextureStorage : public RendererTextureStorage { +private: + static TextureStorage *singleton; + + Thread::ID _main_thread_id = 0; + bool _is_main_thread(); + + mutable RID_PtrOwner<Texture> texture_owner; + + Ref<Image> _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; + void _texture_set_state_from_flags(Texture *p_tex); + + void texture_set_proxy(RID p_texture, RID p_proxy); + +public: + static TextureStorage *get_singleton(); + + TextureStorage(); + virtual ~TextureStorage(); + + Texture *get_texture(RID p_rid) { return texture_owner.get_or_null(p_rid); }; + bool owns_texture(RID p_rid) { return texture_owner.owns(p_rid); }; + RID make_rid(Texture *p_texture) { return texture_owner.make_rid(p_texture); }; + + void set_main_thread_id(Thread::ID p_id); + + virtual bool can_create_resources_async() const override; + + RID texture_create(); + void _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 = TEXTURE_FLAGS_DEFAULT); + + virtual RID texture_allocate() override; + virtual void texture_free(RID p_rid) override; + + virtual void texture_2d_initialize(RID p_texture, const Ref<Image> &p_image) override; + virtual void texture_2d_layered_initialize(RID p_texture, const Vector<Ref<Image>> &p_layers, RS::TextureLayeredType p_layered_type) override; + virtual void 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) override; + virtual void texture_proxy_initialize(RID p_texture, RID p_base) override; //all slices, then all the mipmaps, must be coherent + + virtual void texture_2d_update(RID p_texture, const Ref<Image> &p_image, int p_layer = 0) override; + virtual void texture_3d_update(RID p_texture, const Vector<Ref<Image>> &p_data) override{}; + virtual void texture_proxy_update(RID p_proxy, RID p_base) override{}; + + //these two APIs can be used together or in combination with the others. + virtual void texture_2d_placeholder_initialize(RID p_texture) override; + virtual void texture_2d_layered_placeholder_initialize(RID p_texture, RenderingServer::TextureLayeredType p_layered_type) override; + virtual void texture_3d_placeholder_initialize(RID p_texture) override; + + virtual Ref<Image> texture_2d_get(RID p_texture) const override; + virtual Ref<Image> texture_2d_layer_get(RID p_texture, int p_layer) const override { return Ref<Image>(); }; + virtual Vector<Ref<Image>> texture_3d_get(RID p_texture) const override { return Vector<Ref<Image>>(); }; + + virtual void texture_replace(RID p_texture, RID p_by_texture) override; + virtual void texture_set_size_override(RID p_texture, int p_width, int p_height) override; + + virtual void texture_set_path(RID p_texture, const String &p_path) override; + virtual String texture_get_path(RID p_texture) const override; + + virtual void texture_set_detect_3d_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override; + void texture_set_detect_srgb_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata); + virtual void texture_set_detect_normal_callback(RID p_texture, RS::TextureDetectCallback p_callback, void *p_userdata) override; + virtual void texture_set_detect_roughness_callback(RID p_texture, RS::TextureDetectRoughnessCallback p_callback, void *p_userdata) override{}; + + virtual void texture_debug_usage(List<RS::TextureInfo> *r_info) override; + + virtual void texture_set_force_redraw_if_visible(RID p_texture, bool p_enable) override; + + virtual Size2 texture_size_with_proxy(RID p_proxy) override; + + void texture_set_data(RID p_texture, const Ref<Image> &p_image, int p_layer = 0); + void 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 = 0); + //Ref<Image> texture_get_data(RID p_texture, int p_layer = 0) const; + void texture_set_flags(RID p_texture, uint32_t p_flags); + uint32_t texture_get_flags(RID p_texture) const; + Image::Format texture_get_format(RID p_texture) const; + RenderingDevice::TextureType texture_get_type(RID p_texture) const; + uint32_t texture_get_texid(RID p_texture) const; + uint32_t texture_get_width(RID p_texture) const; + uint32_t texture_get_height(RID p_texture) const; + uint32_t texture_get_depth(RID p_texture) const; + void texture_bind(RID p_texture, uint32_t p_texture_no); + void texture_set_shrink_all_x2_on_set_data(bool p_enable); + RID texture_create_radiance_cubemap(RID p_source, int p_resolution = -1) const; + void textures_keep_original(bool p_enable); +}; + +} // namespace GLES3 + +#endif // !GLES3_ENABLED + +#endif // !TEXTURE_STORAGE_GLES3_H |