ccReturn ccGLContextBind(void)
{
int pixelFormatIndex;
ccAssert(ccWindowExists());
_CC_WINDOW_DATA->hdc = GetDC(_CC_WINDOW_DATA->winHandle);
if(_CC_WINDOW_DATA->hdc == NULL) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
16,
0, 0, 0, 0, 0, 0, 0
};
pixelFormatIndex = ChoosePixelFormat(_CC_WINDOW_DATA->hdc, &pfd);
if(pixelFormatIndex == 0) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
if(SetPixelFormat(_CC_WINDOW_DATA->hdc, pixelFormatIndex, &pfd) == FALSE) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
_CC_WINDOW_DATA->renderContext = wglCreateContext(_CC_WINDOW_DATA->hdc);
if(_CC_WINDOW_DATA->renderContext == NULL) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
//Make window the current context
if(wglMakeCurrent(_CC_WINDOW_DATA->hdc, _CC_WINDOW_DATA->renderContext) == FALSE) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
return CC_SUCCESS;
}
MC_API int mc_ccore_create(struct mc_console *con)
{
if(!ccWindowExists()){
return -1;
}
if(mc_create(con)){
return -2;
}
ccRect s = ccWindowGetRect();
if(mc_set_texture_size(con, s.width, s.height)){
return -3;
}
return 0;
}
ccReturn ccGLContextBind(int glVersionMajor, int glVersionMinor)
{
int pixelFormatIndex;
int glVerMajor, glVerMinor;
ccAssert(ccWindowExists());
WINDOW_DATA->hdc = GetDC(WINDOW_DATA->winHandle);
if(WINDOW_DATA->hdc == NULL) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA,
32,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
16,
0, 0, 0, 0, 0, 0, 0
};
pixelFormatIndex = ChoosePixelFormat(WINDOW_DATA->hdc, &pfd);
if(pixelFormatIndex == 0) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
if(SetPixelFormat(WINDOW_DATA->hdc, pixelFormatIndex, &pfd) == FALSE) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
WINDOW_DATA->renderContext = wglCreateContext(WINDOW_DATA->hdc);
if(WINDOW_DATA->renderContext == NULL) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
//Make window the current context
if(wglMakeCurrent(WINDOW_DATA->hdc, WINDOW_DATA->renderContext) == FALSE) {
ccErrorPush(CC_ERROR_GL_CONTEXT);
return CC_FAIL;
}
//Version check
glGetIntegerv(GL_MAJOR_VERSION, &glVerMajor);
glGetIntegerv(GL_MINOR_VERSION, &glVerMinor);
if(glVerMajor < glVersionMajor || (glVerMajor == glVersionMajor && glVerMinor < glVersionMinor)) {
ccErrorPush(CC_ERROR_GL_VERSION);
return CC_FAIL;
}
//Fetch extentions after context creation
if(glewInit() != GLEW_OK) {
ccErrorPush(CC_ERROR_GL_GLEWINIT);
return CC_FAIL;
}
return CC_SUCCESS;
}
