Added OpenGL boilerplate

1 files changed, 35 insertions, 4 deletions

diff --git a/inc/mandel.h b/inc/mandel.h
index a98e007..f55466c 100644
--- a/inc/mandel.h
+++ b/inc/mandel.h
@@ -1,18 +1,27 @@
 #ifndef MANDEL_H
 # define MANDEL_H
 
+# include <stdio.h>
 # include <stdlib.h>
 # include <stdbool.h>
 # include <math.h>
-# include <immintrin.h>
+# include <GL/glew.h>
 # include <SDL2/SDL.h>
 
+# include <assert.h>
+
 #define SDL_CALL(x) do {                     \
 	SDL_ClearError();                        \
 	x;                                       \
 	error_check_sdl(#x, __FILE__, __LINE__); \
 } while (0)
 
+# define GL_CALL(x) do {                    \
+	error_clear_gl();                       \
+	x;                                      \
+	error_check_gl(#x, __FILE__, __LINE__); \
+} while (0)
+
 typedef union
 {
     uint32_t		data;
@@ -39,11 +48,28 @@ typedef struct
 
 typedef struct
 {
+	unsigned int	id;
+	struct
+	{
+		int			iteration;
+	}				location;
+}					Shader;
+
+typedef struct
+{
     SDL_Window		*window;
-    SDL_Renderer	*renderer;
+	SDL_GLContext	context;
     bool			running;
-	SDL_Texture		*texture;
-    Color			*palette;
+	int				width;
+	int				height;
+
+	unsigned int	vertex_buf;
+	unsigned int	texture;
+
+	Shader			shader;
+
+    // Color			*palette;
+
 	double			real_start;
 	double			real_end;
 	double			imag_start;
@@ -64,8 +90,13 @@ void				event_handle(State *state);
 
 // error.c
 void				error_check_sdl(const char *code, const char *filename, int line_num);
+void				error_clear_gl(void);
+void				error_check_gl(const char *code, const char *filename, int line_num);
 
 // color.c
 Color				*color_palette_new(Color *palette, int iterations);
 
+// shader.c
+bool				shader_init(Shader *shader);
+
 #endif