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Update template code.
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@mackron
mackron committed Mar 15, 2020
1 parent 4116e80 commit c8f4ffc
Showing 1 changed file with 92 additions and 94 deletions.
186 changes: 92 additions & 94 deletions source/glbind_template.h
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Original file line number Diff line number Diff line change
Expand Up @@ -554,119 +554,117 @@ GLenum glbInit(GLBapi* pAPI, GLBconfig* pConfig)
return GL_INVALID_OPERATION;
}
#endif
}


/* Here is where we need to initialize our dummy objects so we can get a context and retrieve some API pointers. */
/* Here is where we need to initialize our dummy objects so we can get a context and retrieve some API pointers. */
#if defined(GLBIND_WGL)
WNDCLASSEXW dummyWC;
memset(&dummyWC, 0, sizeof(dummyWC));
dummyWC.cbSize = sizeof(dummyWC);
dummyWC.lpfnWndProc = (WNDPROC)GLBIND_DummyWindowProcWin32;
dummyWC.lpszClassName = L"GLBIND_DummyHWND";
dummyWC.style = CS_OWNDC;
if (!RegisterClassExW(&dummyWC)) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
WNDCLASSEXW dummyWC;
memset(&dummyWC, 0, sizeof(dummyWC));
dummyWC.cbSize = sizeof(dummyWC);
dummyWC.lpfnWndProc = (WNDPROC)GLBIND_DummyWindowProcWin32;
dummyWC.lpszClassName = L"GLBIND_DummyHWND";
dummyWC.style = CS_OWNDC;
if (!RegisterClassExW(&dummyWC)) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

glbind_DummyHWND = CreateWindowExW(0, L"GLBIND_DummyHWND", L"", 0, 0, 0, 0, 0, NULL, NULL, GetModuleHandle(NULL), NULL);
glbind_DC = GetDC(glbind_DummyHWND);

memset(&glbind_PFD, 0, sizeof(glbind_PFD));
glbind_PFD.nSize = sizeof(glbind_PFD);
glbind_PFD.nVersion = 1;
glbind_PFD.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | ((pConfig == NULL || pConfig->singleBuffered == GL_FALSE) ? PFD_DOUBLEBUFFER : 0);
glbind_PFD.iPixelType = PFD_TYPE_RGBA;
glbind_PFD.cStencilBits = 8;
glbind_PFD.cDepthBits = 24;
glbind_PFD.cColorBits = 32;
glbind_PixelFormat = ChoosePixelFormat(glbind_DC, &glbind_PFD);
if (glbind_PixelFormat == 0) {
DestroyWindow(glbind_DummyHWND);
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
glbind_DummyHWND = CreateWindowExW(0, L"GLBIND_DummyHWND", L"", 0, 0, 0, 0, 0, NULL, NULL, GetModuleHandle(NULL), NULL);
glbind_DC = GetDC(glbind_DummyHWND);

memset(&glbind_PFD, 0, sizeof(glbind_PFD));
glbind_PFD.nSize = sizeof(glbind_PFD);
glbind_PFD.nVersion = 1;
glbind_PFD.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | ((pConfig == NULL || pConfig->singleBuffered == GL_FALSE) ? PFD_DOUBLEBUFFER : 0);
glbind_PFD.iPixelType = PFD_TYPE_RGBA;
glbind_PFD.cStencilBits = 8;
glbind_PFD.cDepthBits = 24;
glbind_PFD.cColorBits = 32;
glbind_PixelFormat = ChoosePixelFormat(glbind_DC, &glbind_PFD);
if (glbind_PixelFormat == 0) {
DestroyWindow(glbind_DummyHWND);
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

if (!SetPixelFormat(glbind_DC, glbind_PixelFormat, &glbind_PFD)) {
DestroyWindow(glbind_DummyHWND);
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
if (!SetPixelFormat(glbind_DC, glbind_PixelFormat, &glbind_PFD)) {
DestroyWindow(glbind_DummyHWND);
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

glbind_RC = glbind_wglCreateContext(glbind_DC);
if (glbind_RC == NULL) {
DestroyWindow(glbind_DummyHWND);
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
glbind_RC = glbind_wglCreateContext(glbind_DC);
if (glbind_RC == NULL) {
DestroyWindow(glbind_DummyHWND);
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

glbind_wglMakeCurrent(glbind_DC, glbind_RC);
glbind_wglMakeCurrent(glbind_DC, glbind_RC);
#endif

#if defined(GLBIND_GLX)
static int attribs[] = {
GLX_RGBA,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_ALPHA_SIZE, 8,
GLX_DEPTH_SIZE, 24,
GLX_STENCIL_SIZE, 8,
GLX_DOUBLEBUFFER,
None, None
};
static int attribs[] = {
GLX_RGBA,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_ALPHA_SIZE, 8,
GLX_DEPTH_SIZE, 24,
GLX_STENCIL_SIZE, 8,
GLX_DOUBLEBUFFER,
None, None
};

if (pConfig != NULL) {
if (!pConfig->singleBuffered) {
attribs[13] = None;
if (pConfig != NULL) {
if (!pConfig->singleBuffered) {
attribs[13] = None;
}
}
}

glbind_OwnsDisplay = GL_TRUE;
glbind_pDisplay = glbind_XOpenDisplay(NULL);
if (glbind_pDisplay == NULL) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
glbind_OwnsDisplay = GL_TRUE;
glbind_pDisplay = glbind_XOpenDisplay(NULL);
if (glbind_pDisplay == NULL) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

glbind_pFBVisualInfo = glbind_glXChooseVisual(glbind_pDisplay, DefaultScreen(glbind_pDisplay), attribs);
if (glbind_pFBVisualInfo == NULL) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
glbind_pFBVisualInfo = glbind_glXChooseVisual(glbind_pDisplay, DefaultScreen(glbind_pDisplay), attribs);
if (glbind_pFBVisualInfo == NULL) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

glbind_Colormap = glbind_XCreateColormap(glbind_pDisplay, RootWindow(glbind_pDisplay, glbind_pFBVisualInfo->screen), glbind_pFBVisualInfo->visual, AllocNone);
glbind_Colormap = glbind_XCreateColormap(glbind_pDisplay, RootWindow(glbind_pDisplay, glbind_pFBVisualInfo->screen), glbind_pFBVisualInfo->visual, AllocNone);

glbind_RC = glbind_glXCreateContext(glbind_pDisplay, glbind_pFBVisualInfo, NULL, GL_TRUE);
if (glbind_RC == NULL) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
glbind_RC = glbind_glXCreateContext(glbind_pDisplay, glbind_pFBVisualInfo, NULL, GL_TRUE);
if (glbind_RC == NULL) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

/* We cannot call any OpenGL APIs until a context is made current. In order to make a context current we will need a window. We just use a dummy window for this. */
XSetWindowAttributes wa;
wa.colormap = glbind_Colormap;
wa.border_pixel = 0;
/* We cannot call any OpenGL APIs until a context is made current. In order to make a context current we will need a window. We just use a dummy window for this. */
XSetWindowAttributes wa;
wa.colormap = glbind_Colormap;
wa.border_pixel = 0;

/* Window's can not have dimensions of 0 in X11. We stick with dimensions of 1. */
glbind_DummyWindow = glbind_XCreateWindow(glbind_pDisplay, RootWindow(glbind_pDisplay, glbind_pFBVisualInfo->screen), 0, 0, 1, 1, 0, glbind_pFBVisualInfo->depth, InputOutput, glbind_pFBVisualInfo->visual, CWBorderPixel | CWColormap, &wa);
if (glbind_DummyWindow == 0) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}
/* Window's can not have dimensions of 0 in X11. We stick with dimensions of 1. */
glbind_DummyWindow = glbind_XCreateWindow(glbind_pDisplay, RootWindow(glbind_pDisplay, glbind_pFBVisualInfo->screen), 0, 0, 1, 1, 0, glbind_pFBVisualInfo->depth, InputOutput, glbind_pFBVisualInfo->visual, CWBorderPixel | CWColormap, &wa);
if (glbind_DummyWindow == 0) {
glb_dlclose(g_glbOpenGLSO);
g_glbOpenGLSO = NULL;
return GL_INVALID_OPERATION;
}

glbind_glXMakeCurrent(glbind_pDisplay, glbind_DummyWindow, glbind_RC);
glbind_glXMakeCurrent(glbind_pDisplay, glbind_DummyWindow, glbind_RC);
#endif

}

if (pAPI != NULL) {
#if defined(GLBIND_WGL)
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