SameBoy/SDL/shader.h

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#ifndef shader_h
#define shader_h
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#include "opengl_compat.h"
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#include <stdbool.h>
typedef struct shader_s {
GLuint resolution_uniform;
GLuint origin_uniform;
GLuint texture_uniform;
GLuint previous_texture_uniform;
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GLuint blending_mode_uniform;
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GLuint position_attribute;
GLuint texture;
GLuint previous_texture;
GLuint program;
} shader_t;
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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;
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bool init_shader_with_name(shader_t *shader, const char *name);
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void render_bitmap_with_shader(shader_t *shader, void *bitmap, void *previous,
unsigned source_width, unsigned source_height,
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unsigned x, unsigned y, unsigned w, unsigned h,
GB_frame_blending_mode_t blending_mode);
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void free_shader(struct shader_s *shader);
#endif /* shader_h */