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https://github.com/Relintai/pandemonium_engine_minimal.git
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103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
#ifndef RASTERIZERCANVASBASEGLES2_H
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#define RASTERIZERCANVASBASEGLES2_H
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/* rasterizer_canvas_base_gles2.h */
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#include "drivers/gles_common/rasterizer_array.h"
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#include "rasterizer_storage_gles2.h"
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#include "servers/rendering/rasterizer.h"
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#include "shaders/canvas.glsl.gen.h"
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#include "shaders/lens_distorted.glsl.gen.h"
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#include "drivers/gles_common/rasterizer_storage_common.h"
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class RasterizerCanvasBaseGLES2 : public RasterizerCanvas {
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public:
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enum {
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INSTANCE_ATTRIB_BASE = 8,
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};
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struct Uniforms {
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Transform projection_matrix;
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Transform2D modelview_matrix;
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Transform2D extra_matrix;
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Color final_modulate;
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float time;
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};
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struct Data {
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GLuint canvas_quad_vertices;
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GLuint polygon_buffer;
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GLuint polygon_index_buffer;
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uint32_t polygon_buffer_size;
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uint32_t polygon_index_buffer_size;
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GLuint ninepatch_vertices;
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GLuint ninepatch_elements;
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} data;
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struct State {
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Uniforms uniforms;
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bool canvas_texscreen_used;
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CanvasShaderGLES2 canvas_shader;
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LensDistortedShaderGLES2 lens_shader;
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bool using_texture_rect;
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bool using_modulate;
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bool using_ninepatch;
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RID current_tex;
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RID current_normal;
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RasterizerStorageGLES2::Texture *current_tex_ptr;
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Transform vp;
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bool using_transparent_rt;
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} state;
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typedef void Texture;
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RasterizerStorageGLES2 *storage;
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// allow user to choose api usage
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GLenum _buffer_upload_usage_flag;
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void _set_uniforms();
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virtual void canvas_begin();
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virtual void canvas_end();
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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);
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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 = nullptr, const int *p_bones = nullptr);
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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);
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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);
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void _bind_quad_buffer();
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void _copy_texscreen(const Rect2 &p_rect);
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void _copy_screen(const Rect2 &p_rect);
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virtual void draw_window_margins(int *black_margin, RID *black_image);
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void draw_generic_textured_rect(const Rect2 &p_rect, const Rect2 &p_src);
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void draw_lens_distortion_rect(const Rect2 &p_rect, float p_k1, float p_k2, const Vector2 &p_eye_center, float p_oversample);
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virtual void reset_canvas();
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RasterizerStorageGLES2::Texture *_bind_canvas_texture(const RID &p_texture, const RID &p_normal_map);
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void _set_texture_rect_mode(bool p_texture_rect, bool p_light_angle = false, bool p_modulate = false, bool p_large_vertex = false);
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void initialize();
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void finalize();
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RasterizerCanvasBaseGLES2();
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};
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#endif // RASTERIZERCANVASBASEGLES2_H
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