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Use OpenGL to get default framebuffer properties.

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This commit is contained in:
Camilla Berglund
2012-08-02 01:18:35 +02:00
parent 3a72f33541
commit 053737e660
6 changed files with 47 additions and 214 deletions
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src/opengl.c
+33 -4
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@@ -347,12 +347,13 @@ GLboolean _glfwIsValidContextConfig(_GLFWwndconfig* wndconfig)
//========================================================================
// Checks whether the specified context fulfils the requirements
// It blames glfwOpenWindow because that's the only caller
// Reads back context properties
//========================================================================
GLboolean _glfwIsValidContext(_GLFWwindow* window, _GLFWwndconfig* wndconfig)
void _glfwRefreshContextParams(void)
{
_GLFWwindow* window = _glfwLibrary.currentWindow;
parseGLVersion(&window->glMajor, &window->glMinor, &window->glRevision);
// Read back forward-compatibility flag
@@ -387,8 +388,36 @@ GLboolean _glfwIsValidContext(_GLFWwindow* window, _GLFWwndconfig* wndconfig)
}
}
window->glRobustness = wndconfig->glRobustness;
glGetIntegerv(GL_RED_BITS, &window->redBits);
glGetIntegerv(GL_GREEN_BITS, &window->greenBits);
glGetIntegerv(GL_BLUE_BITS, &window->blueBits);
glGetIntegerv(GL_ALPHA_BITS, &window->alphaBits);
glGetIntegerv(GL_DEPTH_BITS, &window->depthBits);
glGetIntegerv(GL_STENCIL_BITS, &window->stencilBits);
glGetIntegerv(GL_ACCUM_RED_BITS, &window->accumRedBits);
glGetIntegerv(GL_ACCUM_GREEN_BITS, &window->accumGreenBits);
glGetIntegerv(GL_ACCUM_BLUE_BITS, &window->accumBlueBits);
glGetIntegerv(GL_ACCUM_ALPHA_BITS, &window->accumAlphaBits);
glGetIntegerv(GL_AUX_BUFFERS, &window->auxBuffers);
glGetBooleanv(GL_STEREO, &window->stereo);
if (_glfwPlatformExtensionSupported("GL_ARB_multisample"))
glGetIntegerv(GL_SAMPLES_ARB, &window->samples);
else
window->samples = 0;
}
//========================================================================
// Checks whether the specified context fulfils the requirements
// It blames glfwOpenWindow because that's the only caller
//========================================================================
GLboolean _glfwIsValidContext(_GLFWwindow* window, _GLFWwndconfig* wndconfig)
{
if (window->glMajor < wndconfig->glMajor ||
(window->glMajor == wndconfig->glMajor &&
window->glMinor < wndconfig->glMinor))