39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#ifndef shader_h
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#define shader_h
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#include <epoxy/gl.h>
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#include <stdbool.h>
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#include <string.h>
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#include <glib.h>
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#include <gio/gio.h>
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typedef struct shader_s {
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GLuint resolution_uniform;
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GLuint origin_uniform;
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GLuint texture_uniform;
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GLuint previous_texture_uniform;
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GLuint blending_mode_uniform;
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GLuint position_attribute;
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GLuint texture;
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GLuint previous_texture;
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GLuint program;
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} shader_t;
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typedef enum {
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GB_FRAME_BLENDING_MODE_DISABLED,
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GB_FRAME_BLENDING_MODE_SIMPLE,
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GB_FRAME_BLENDING_MODE_ACCURATE,
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GB_FRAME_BLENDING_MODE_ACCURATE_EVEN = GB_FRAME_BLENDING_MODE_ACCURATE,
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GB_FRAME_BLENDING_MODE_ACCURATE_ODD,
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} 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,
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unsigned source_width, unsigned source_height,
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unsigned x, unsigned y, unsigned w, unsigned h,
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GB_frame_blending_mode_t blending_mode);
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void free_shader(struct shader_s *shader);
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void free_master_shader(void);
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#endif /* shader_h */
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