change identation, maybe will change back, add own gl functions loading, and glx example

1 files changed, 57 insertions, 0 deletions

diff --git a/gldefs.h b/gldefs.h
new file mode 100644
index 0000000..2ed881b
--- /dev/null
+++ b/gldefs.h
@@ -0,0 +1,57 @@
+#ifndef gldefs_h
+#define gldefs_h
+
+#include "types.h"
+
+#define gl_float                0x1406
+
+#define gl_color_buffer_bit     0x00004000
+
+#define gl_vertex_shader        0x8B31
+#define gl_fragment_shader      0x8B30
+#define gl_compile_status       0x8B81
+#define gl_link_status          0x8B82
+
+#define gl_array_buffer         0x8892
+#define gl_element_array_buffer 0x8893
+
+#define gl_static_draw          0x88E4
+#define gl_triangles            0x0004
+
+void (*gl_clear_color)(f32 red, f32 green, f32 blue, f32 alpha) = 0;
+void (*gl_clear)(u32 mask) = 0;
+
+void (*gl_viewport)(i32 x, i32 y, i32 width, i32 height) = 0;
+
+void (*gl_gen_vertex_arrays)(i32 n, u32 *arrays) = 0;
+void (*gl_delete_vertex_arrays)(i32 n, const u32 *arrays) = 0;
+void (*gl_bind_vertex_array)(u32 array) = 0;
+void (*gl_enable_vertex_attrib_array)(u32 index) = 0;
+void (*gl_disable_vertex_attrib_array)(u32 index) = 0;
+void (*gl_vertex_attrib_pointer)(u32 index, i32 size, u32 type, u8 normalized, i32 stride, const void *pointer) = 0;
+
+void (*gl_gen_buffers)(i32 n, u32 *buffers) = 0;
+void (*gl_delete_buffers)(i32 n, const u32 *buffers) = 0;
+void (*gl_bind_buffer)(u32 target, u32 buffer) = 0;
+void (*gl_buffer_data)(u32 target, i64 size, const void *data, u32 usage) = 0;
+
+u32  (*gl_create_shader)(u32 type) = 0;
+void (*gl_delete_shader)(u32 shader) = 0;
+void (*gl_shader_source)(u32 shader, i32 count, const char *const *string, const i32 *length) = 0;
+void (*gl_compile_shader)(u32 shader) = 0;
+void (*gl_get_shader_iv)(u32 shader, u32 pname, i32 *params) = 0;
+void (*gl_get_shader_info_log)(u32 shader, i32 buffer_size, i32 *length, char *log) = 0;
+
+u32  (*gl_create_program)(void) = 0;
+void (*gl_attach_shader)(u32 program, u32 shader) = 0;
+void (*gl_link_program)(u32 program) = 0;
+void (*gl_use_program)(u32 program) = 0;
+
+i32  (*gl_get_uniform_location)(u32 program, const char *name) = 0;
+void (*gl_uniform_matrix4fv)(i32 location, i32 count, u8 transpose, const f32 *value) = 0;
+void (*gl_get_program_iv)(u32 program, u32 pname, i32 *params) = 0;
+void (*gl_get_program_info_log)(u32 program, i32 buffer_size, i32 *length, char *log) = 0;
+
+void (*gl_draw_arrays)(u32 mode, i32 first, i32 count) = 0;
+
+#endif