Initial PCem OpenGL 3.x renderer port

src/include/86box/qt-glsl.h

@@ -0,0 +1,158 @@
+#ifndef SRC_WX_GLSL_H_
+#define SRC_WX_GLSL_H_
+
+#define MAX_PREV 7
+
+#define MAX_SHADERS 20
+#define MAX_TEXTURES 20
+#define MAX_PARAMETERS 100
+
+#define MAX_USER_SHADERS 20
+//#define SDL2_SHADER_DEBUG
+
+struct shader_scale {
+        int mode[2];
+        float value[2];
+};
+
+struct shader_state {
+        float input_size[2];
+        float input_texture_size[2];
+        float output_texture_size[2];
+        float output_size[2];
+        float tex_coords[8];
+};
+
+struct shader_vbo {
+        int vertex_coord;
+        int tex_coord;
+        int color;
+};
+
+struct shader_texture {
+        int id;
+        int width;
+        int height;
+        int type;
+        int internal_format;
+        int format;
+        int min_filter;
+        int mag_filter;
+        int wrap_mode;
+        void *data;
+        int mipmap;
+};
+
+struct shader_lut_texture {
+        char name[50];
+        struct shader_texture texture;
+};
+
+struct shader_fbo {
+        int id;
+        struct shader_texture texture;
+        int srgb;
+        int mipmap_input;
+};
+
+struct shader_prev {
+        struct shader_fbo fbo;
+        struct shader_vbo vbo;
+};
+
+struct shader_input {
+        int texture;
+        int input_size;
+        int texture_size;
+        int tex_coord;
+};
+
+struct shader_uniforms {
+        int mvp_matrix;
+        int vertex_coord;
+        int tex_coord;
+        int color;
+
+        int texture;
+        int input_size;
+        int texture_size;
+        int output_size;
+
+        int frame_count;
+        int frame_direction;
+
+        struct shader_input orig;
+        struct shader_input pass[MAX_SHADERS];
+        struct shader_input prev_pass[MAX_SHADERS];
+        struct shader_input prev[MAX_PREV];
+
+        int parameters[MAX_PARAMETERS];
+        int lut_textures[MAX_TEXTURES];
+};
+
+struct shader_program {
+        int vertex_shader;
+        int fragment_shader;
+        int id;
+};
+
+struct shader_parameter {
+        char id[64];
+        char description[64];
+        float default_value;
+        float value;
+        float min;
+        float max;
+        float step;
+};
+
+struct shader_pass {
+        int active;
+        char alias[64];
+        int vertex_array;
+        int frame_count_mod;
+        struct shader_program program;
+        struct shader_uniforms uniforms;
+        struct shader_fbo fbo;
+        struct shader_vbo vbo;
+        struct shader_state state;
+        struct shader_scale scale;
+};
+
+struct glsl_shader {
+        int active;
+        char name[64];
+
+        int num_passes;
+        struct shader_pass passes[MAX_SHADERS];
+
+        int num_lut_textures;
+        struct shader_lut_texture lut_textures[MAX_TEXTURES];
+
+        int num_parameters;
+        struct shader_parameter parameters[MAX_PARAMETERS];
+
+        struct shader_pass prev_scene;
+        struct shader_prev prev[MAX_PREV + 1];
+
+        int last_prev_update;
+        int has_prev;
+
+        float shader_refresh_rate;
+
+        int input_filter_linear;
+};
+
+typedef struct glsl_t {
+        int num_shaders;
+        struct glsl_shader shaders[MAX_USER_SHADERS];
+        struct shader_pass scene;
+        struct shader_pass final_pass;
+        struct shader_pass fs_color;
+#ifdef SDL2_SHADER_DEBUG
+        struct shader_pass debug;
+#endif
+        int srgb;
+} glsl_t;
+
+#endif