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Diffstat (limited to 'drivers/gles3/rasterizer_canvas_base_gles3.h')
| -rw-r--r-- | drivers/gles3/rasterizer_canvas_base_gles3.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_canvas_base_gles3.h b/drivers/gles3/rasterizer_canvas_base_gles3.h new file mode 100644 index 0000000000..3fa180539e --- /dev/null +++ b/drivers/gles3/rasterizer_canvas_base_gles3.h @@ -0,0 +1,213 @@ +/*************************************************************************/ +/* rasterizer_canvas_base_gles3.h */ +/*************************************************************************/ +/* 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. */ +/*************************************************************************/ + +#ifndef RASTERIZER_CANVAS_BASE_OPENGL_H +#define RASTERIZER_CANVAS_BASE_OPENGL_H + +#include "drivers/gles3/rasterizer_platforms.h" +#ifdef GLES3_BACKEND_ENABLED + +#include "drivers/gles3/rasterizer_array.h" +#include "drivers/gles3/rasterizer_storage_common.h" +#include "rasterizer_scene_gles3.h" +#include "rasterizer_storage_gles3.h" +#include "servers/rendering/renderer_canvas_render.h" +#include "servers/rendering/renderer_compositor.h" + +#include "shaders/canvas.glsl.gen.h" +#include "shaders/canvas_shadow.glsl.gen.h" +#include "shaders/lens_distorted.glsl.gen.h" + +class RasterizerCanvasBaseGLES3 : public RendererCanvasRender { +public: + enum { + INSTANCE_ATTRIB_BASE = 8, + }; + + struct Uniforms { + Transform3D projection_matrix; + + Transform2D modelview_matrix; + Transform2D extra_matrix; + + Color final_modulate; + + float time; + }; + + struct CanvasItemUBO { + float projection_matrix[16]; + float time; + uint8_t padding[12]; + }; + + struct Data { + enum { NUM_QUAD_ARRAY_VARIATIONS = 8 }; + + GLuint canvas_quad_vertices; + GLuint canvas_quad_array; + + GLuint polygon_buffer; + GLuint polygon_buffer_quad_arrays[NUM_QUAD_ARRAY_VARIATIONS]; + GLuint polygon_buffer_pointer_array; + GLuint polygon_index_buffer; + + GLuint particle_quad_vertices; + GLuint particle_quad_array; + + uint32_t polygon_buffer_size; + uint32_t polygon_index_buffer_size; + + GLuint ninepatch_vertices; + GLuint ninepatch_elements; + } data; + + struct State { + Uniforms uniforms; + CanvasItemUBO canvas_item_ubo_data; + GLuint canvas_item_ubo; + bool canvas_texscreen_used; + CanvasShaderGLES3 canvas_shader; + CanvasShadowShaderGLES3 canvas_shadow_shader; + LensDistortedShaderGLES3 lens_shader; + + bool using_texture_rect; + + bool using_light_angle; + bool using_modulate; + bool using_large_vertex; + + bool using_ninepatch; + bool using_skeleton; + + Transform2D skeleton_transform; + Transform2D skeleton_transform_inverse; + Size2i skeleton_texture_size; + + RID current_tex; + RID current_normal; + RasterizerStorageGLES3::Texture *current_tex_ptr; + + Transform3D vp; + Light *using_light; + bool using_shadow; + bool using_transparent_rt; + + // new for Godot 4.0 + // min mag filter is per item, and repeat + RS::CanvasItemTextureFilter current_filter = RS::CANVAS_ITEM_TEXTURE_FILTER_LINEAR; + RS::CanvasItemTextureRepeat current_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED; + } state; + + typedef void Texture; + + RasterizerSceneGLES3 *scene_render; + + RasterizerStorageGLES3 *storage; + + // allow user to choose api usage + GLenum _buffer_upload_usage_flag; + + void _set_uniforms(); + + virtual RID light_internal_create(); + virtual void light_internal_update(RID p_rid, Light *p_light); + virtual void light_internal_free(RID p_rid); + + virtual void canvas_begin(); + virtual void canvas_end(); + +protected: + void _legacy_draw_primitive(Item::CommandPrimitive *p_pr, RasterizerStorageGLES3::Material *p_material); + void _legacy_draw_line(Item::CommandPrimitive *p_pr, RasterizerStorageGLES3::Material *p_material); + void _legacy_draw_poly_triangles(Item::CommandPolygon *p_poly, RasterizerStorageGLES3::Material *p_material); + +public: + void _draw_gui_primitive(int p_points, const Vector2 *p_vertices, const Color *p_colors, const Vector2 *p_uvs, const float *p_light_angles = nullptr); + void _draw_polygon(const int *p_indices, int p_index_count, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor, const float *p_weights = NULL, const int *p_bones = NULL); + void _draw_generic(GLuint p_primitive, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor); + void _draw_generic_indices(GLuint p_primitive, const int *p_indices, int p_index_count, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor); + + void _bind_quad_buffer(); + void _copy_texscreen(const Rect2 &p_rect); + void _copy_screen(const Rect2 &p_rect); + + //virtual void draw_window_margins(int *black_margin, RID *black_image) override; + void draw_generic_textured_rect(const Rect2 &p_rect, const Rect2 &p_src); + void draw_lens_distortion_rect(const Rect2 &p_rect, float p_k1, float p_k2, const Vector2 &p_eye_center, float p_oversample); + + virtual void reset_canvas(); + virtual void canvas_light_shadow_buffer_update(RID p_buffer, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders, CameraMatrix *p_xform_cache); + + // Copied from RasterizerCanvasDummy: + virtual void canvas_debug_viewport_shadows(Light *p_lights_with_shadow) override; + + RID light_create() override; + void light_set_texture(RID p_rid, RID p_texture) override; + void light_set_use_shadow(RID p_rid, bool p_enable) override; + void light_update_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_near, float p_far, LightOccluderInstance *p_occluders) override; + void light_update_directional_shadow(RID p_rid, int p_shadow_index, const Transform2D &p_light_xform, int p_light_mask, float p_cull_distance, const Rect2 &p_clip_rect, LightOccluderInstance *p_occluders) override; + + void render_sdf(RID p_render_target, LightOccluderInstance *p_occluders) override; + RID occluder_polygon_create() override; + void occluder_polygon_set_shape(RID p_occluder, const Vector<Vector2> &p_points, bool p_closed) override; + void occluder_polygon_set_cull_mode(RID p_occluder, RS::CanvasOccluderPolygonCullMode p_mode) override; + void set_shadow_texture_size(int p_size) override; + + bool free(RID p_rid) override; + void update() override; + // End copied from RasterizerCanvasDummy. + + RasterizerStorageGLES3::Texture *_bind_canvas_texture(const RID &p_texture, const RID &p_normal_map); + void _set_texture_rect_mode(bool p_texture_rect, bool p_light_angle = false, bool p_modulate = false, bool p_large_vertex = false); + + // NEW API + struct PolyData { + LocalVector<int> indices; + LocalVector<Point2> points; + LocalVector<Color> colors; + LocalVector<Point2> uvs; + }; + + RendererCanvasRender::PolygonID request_polygon(const Vector<int> &p_indices, const Vector<Point2> &p_points, const Vector<Color> &p_colors, const Vector<Point2> &p_uvs = Vector<Point2>(), const Vector<int> &p_bones = Vector<int>(), const Vector<float> &p_weights = Vector<float>()) override; + void free_polygon(PolygonID p_polygon) override; + + RasterizerPooledIndirectList<PolyData> _polydata; + + ////////////////////// + void initialize(); + void finalize(); + + RasterizerCanvasBaseGLES3(); +}; + +#endif // GLES3_BACKEND_ENABLED + +#endif // RASTERIZER_CANVAS_BASE_OPENGL_H |