diff options
Diffstat (limited to 'gl.c')
| -rw-r--r-- | gl.c | 76 |
1 files changed, 9 insertions, 67 deletions
@@ -1,6 +1,10 @@ #include "ted.h" #include "lib/glcorearb.h" +float gl_window_width, gl_window_height; +int gl_version_major, gl_version_minor; + + #if DEBUG unsigned char *stbi_load(const char *filename, int *x, int *y, int *comp, int req_comp); #else @@ -10,66 +14,10 @@ no_warn_start no_warn_end #endif -// macro trickery to avoid having to write everything twice -#define gl_for_each_proc(do)\ - do(DRAWARRAYS, DrawArrays)\ - do(GENTEXTURES, GenTextures)\ - do(DELETETEXTURES, DeleteTextures)\ - do(GENERATEMIPMAP, GenerateMipmap)\ - do(TEXIMAGE2D, TexImage2D)\ - do(BINDTEXTURE, BindTexture)\ - do(TEXPARAMETERI, TexParameteri)\ - do(GETERROR, GetError)\ - do(GETINTEGERV, GetIntegerv)\ - do(ENABLE, Enable)\ - do(DISABLE, Disable)\ - do(BLENDFUNC, BlendFunc)\ - do(VIEWPORT, Viewport)\ - do(CLEARCOLOR, ClearColor)\ - do(CLEAR, Clear)\ - do(FINISH, Finish)\ - do(CREATESHADER, CreateShader)\ - do(DELETESHADER, DeleteShader)\ - do(CREATEPROGRAM, CreateProgram)\ - do(SHADERSOURCE, ShaderSource)\ - do(GETSHADERIV, GetShaderiv)\ - do(GETSHADERINFOLOG, GetShaderInfoLog)\ - do(COMPILESHADER, CompileShader)\ - do(CREATEPROGRAM, CreateProgram)\ - do(DELETEPROGRAM, DeleteProgram)\ - do(ATTACHSHADER, AttachShader)\ - do(LINKPROGRAM, LinkProgram)\ - do(GETPROGRAMIV, GetProgramiv)\ - do(GETPROGRAMINFOLOG, GetProgramInfoLog)\ - do(USEPROGRAM, UseProgram)\ - do(GETATTRIBLOCATION, GetAttribLocation)\ - do(GETUNIFORMLOCATION, GetUniformLocation)\ - do(GENBUFFERS, GenBuffers)\ - do(DELETEBUFFERS, DeleteBuffers)\ - do(BINDBUFFER, BindBuffer)\ - do(BUFFERDATA, BufferData)\ - do(VERTEXATTRIBPOINTER, VertexAttribPointer)\ - do(ENABLEVERTEXATTRIBARRAY, EnableVertexAttribArray)\ - do(DISABLEVERTEXATTRIBARRAY, DisableVertexAttribArray)\ - do(GENVERTEXARRAYS, GenVertexArrays)\ - do(DELETEVERTEXARRAYS, DeleteVertexArrays)\ - do(BINDVERTEXARRAY, BindVertexArray)\ - do(ACTIVETEXTURE, ActiveTexture)\ - do(UNIFORM1F, Uniform1f)\ - do(UNIFORM2F, Uniform2f)\ - do(UNIFORM3F, Uniform3f)\ - do(UNIFORM4F, Uniform4f)\ - do(UNIFORM1I, Uniform1i)\ - do(UNIFORM2I, Uniform2i)\ - do(UNIFORM3I, Uniform3i)\ - do(UNIFORM4I, Uniform4i)\ - do(UNIFORMMATRIX4FV, UniformMatrix4fv)\ - do(DEBUGMESSAGECALLBACK, DebugMessageCallback)\ - do(DEBUGMESSAGECONTROL, DebugMessageControl)\ - -#define gl_declare_proc(upper, lower) static PFNGL##upper##PROC gl##lower; -gl_for_each_proc(gl_declare_proc) -#undef gl_declare_proc + +#define gl_define_proc(upper, lower) PFNGL##upper##PROC gl##lower; +gl_for_each_proc(gl_define_proc) +#undef gl_define_proc GlRcSAB *gl_rc_sab_new(GLuint shader, GLuint array, GLuint buffer) { GlRcSAB *s = calloc(1, sizeof *s); @@ -121,11 +69,7 @@ void gl_rc_texture_decref(GlRcTexture **pt) { *pt = NULL; } -// set by main() -static int gl_version_major; -static int gl_version_minor; - -static void gl_get_procs(void) { +void gl_get_procs(void) { #define gl_get_proc(upper, lower) gl##lower = (PFNGL##upper##PROC)SDL_GL_GetProcAddress("gl" #lower); #if __GNUC__ && !__clang__ #pragma GCC diagnostic push @@ -283,8 +227,6 @@ void gl_geometry_init(void) { glGenVertexArrays(1, &gl_geometry_vao); } -static float gl_window_width, gl_window_height; - void gl_geometry_rect(Rect r, u32 color_rgba) { v4 color = rgba_u32_to_v4(color_rgba); |