pandemonium_engine_minimal/drivers/gles2/rasterizer_canvas_base_gles2.h

103 lines
3.0 KiB
C++

#ifndef RASTERIZERCANVASBASEGLES2_H
#define RASTERIZERCANVASBASEGLES2_H
/* rasterizer_canvas_base_gles2.h */
#include "drivers/gles_common/rasterizer_array.h"
#include "rasterizer_storage_gles2.h"
#include "servers/rendering/rasterizer.h"
#include "shaders/canvas.glsl.gen.h"
#include "shaders/lens_distorted.glsl.gen.h"
#include "drivers/gles_common/rasterizer_storage_common.h"
class RasterizerCanvasBaseGLES2 : public RasterizerCanvas {
public:
enum {
INSTANCE_ATTRIB_BASE = 8,
};
struct Uniforms {
Transform projection_matrix;
Transform2D modelview_matrix;
Transform2D extra_matrix;
Color final_modulate;
float time;
};
struct Data {
GLuint canvas_quad_vertices;
GLuint polygon_buffer;
GLuint polygon_index_buffer;
uint32_t polygon_buffer_size;
uint32_t polygon_index_buffer_size;
GLuint ninepatch_vertices;
GLuint ninepatch_elements;
} data;
struct State {
Uniforms uniforms;
bool canvas_texscreen_used;
CanvasShaderGLES2 canvas_shader;
LensDistortedShaderGLES2 lens_shader;
bool using_texture_rect;
bool using_modulate;
bool using_ninepatch;
RID current_tex;
RID current_normal;
RasterizerStorageGLES2::Texture *current_tex_ptr;
Transform vp;
bool using_transparent_rt;
} state;
typedef void Texture;
RasterizerStorageGLES2 *storage;
// allow user to choose api usage
GLenum _buffer_upload_usage_flag;
void _set_uniforms();
virtual void canvas_begin();
virtual void canvas_end();
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 = nullptr, const int *p_bones = nullptr);
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);
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();
RasterizerStorageGLES2::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);
void initialize();
void finalize();
RasterizerCanvasBaseGLES2();
};
#endif // RASTERIZERCANVASBASEGLES2_H