1 files changed, 58 insertions, 0 deletions
diff --git a/include/color_conversion.h b/include/color_conversion.h
new file mode 100644
index 0000000..d05df6a
--- /dev/null
+++ b/include/color_conversion.h
@@ -0,0 +1,58 @@
+#ifndef GSR_COLOR_CONVERSION_H
+#define GSR_COLOR_CONVERSION_H
+
+#include "shader.h"
+#include "vec2.h"
+#include <stdbool.h>
+
+typedef enum {
+    GSR_COLOR_RANGE_LIMITED,
+    GSR_COLOR_RANGE_FULL
+} gsr_color_range;
+
+typedef enum {
+    GSR_SOURCE_COLOR_RGB,
+    GSR_SOURCE_COLOR_BGR
+} gsr_source_color;
+
+typedef enum {
+    GSR_DESTINATION_COLOR_NV12, /* YUV420, BT709, 8-bit */
+    GSR_DESTINATION_COLOR_P010  /* YUV420, BT2020, 10-bit */
+} gsr_destination_color;
+
+typedef struct {
+    int offset;
+    int rotation;
+} gsr_color_uniforms;
+
+typedef struct {
+    gsr_egl *egl;
+
+    gsr_source_color source_color;
+    gsr_destination_color destination_color;
+
+    unsigned int destination_textures[2];
+    int num_destination_textures;
+
+    gsr_color_range color_range;
+    bool load_external_image_shader;
+} gsr_color_conversion_params;
+
+typedef struct {
+    gsr_color_conversion_params params;
+    gsr_color_uniforms uniforms[4];
+    gsr_shader shaders[4];
+
+    unsigned int framebuffers[2];
+
+    unsigned int vertex_array_object_id;
+    unsigned int vertex_buffer_object_id;
+} gsr_color_conversion;
+
+int gsr_color_conversion_init(gsr_color_conversion *self, const gsr_color_conversion_params *params);
+void gsr_color_conversion_deinit(gsr_color_conversion *self);
+
+void gsr_color_conversion_draw(gsr_color_conversion *self, unsigned int texture_id, vec2i source_pos, vec2i source_size, vec2i texture_pos, vec2i texture_size, float rotation, bool external_texture);
+void gsr_color_conversion_clear(gsr_color_conversion *self);
+
+#endif /* GSR_COLOR_CONVERSION_H */