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#pragma once
#include "opengl_compat.h"
#include <stdbool.h>
typedef struct shader_s {
GLuint resolution_uniform;
GLuint origin_uniform;
GLuint texture_uniform;
GLuint previous_texture_uniform;
GLuint blending_mode_uniform;
GLuint position_attribute;
GLuint texture;
GLuint previous_texture;
GLuint program;
} shader_t;
typedef enum {
GB_FRAME_BLENDING_MODE_DISABLED,
GB_FRAME_BLENDING_MODE_SIMPLE,
GB_FRAME_BLENDING_MODE_ACCURATE,
GB_FRAME_BLENDING_MODE_ACCURATE_EVEN = GB_FRAME_BLENDING_MODE_ACCURATE,
GB_FRAME_BLENDING_MODE_ACCURATE_ODD,
} GB_frame_blending_mode_t;
bool init_shader_with_name(shader_t *shader, const char *name);
void render_bitmap_with_shader(shader_t *shader, void *bitmap, void *previous,
unsigned source_width, unsigned source_height,
unsigned x, unsigned y, unsigned w, unsigned h,
GB_frame_blending_mode_t blending_mode);
void free_shader(struct shader_s *shader);
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