Jiga228/glfw
0
0
Fork 0
mirror of https://github.com/glfw/glfw.git synced 2026-09-18 22:55:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

Use OpenGL to get default framebuffer properties.

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files
src/win32_opengl.c
-77
View File
@@ -290,82 +290,6 @@ static _GLFWfbconfig* getFBConfigs(_GLFWwindow* window, unsigned int* found)
}
//========================================================================
// Read back framebuffer parameters from the context
//========================================================================
static void refreshContextParams(_GLFWwindow* window, int pixelFormat)
{
PIXELFORMATDESCRIPTOR pfd;
if (window->WGL.ARB_pixel_format)
{
window->redBits =
getPixelFormatAttrib(window, pixelFormat, WGL_RED_BITS_ARB);
window->greenBits =
getPixelFormatAttrib(window, pixelFormat, WGL_GREEN_BITS_ARB);
window->blueBits =
getPixelFormatAttrib(window, pixelFormat, WGL_BLUE_BITS_ARB);
window->alphaBits =
getPixelFormatAttrib(window, pixelFormat, WGL_ALPHA_BITS_ARB);
window->depthBits =
getPixelFormatAttrib(window, pixelFormat, WGL_DEPTH_BITS_ARB);
window->stencilBits =
getPixelFormatAttrib(window, pixelFormat, WGL_STENCIL_BITS_ARB);
window->accumRedBits =
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_RED_BITS_ARB);
window->accumGreenBits =
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_GREEN_BITS_ARB);
window->accumBlueBits =
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_BLUE_BITS_ARB);
window->accumAlphaBits =
getPixelFormatAttrib(window, pixelFormat, WGL_ACCUM_ALPHA_BITS_ARB);
window->auxBuffers =
getPixelFormatAttrib(window, pixelFormat, WGL_AUX_BUFFERS_ARB);
window->stereo =
getPixelFormatAttrib(window, pixelFormat, WGL_STEREO_ARB) ? GL_TRUE : GL_FALSE;
if (window->WGL.ARB_multisample)
{
window->samples = getPixelFormatAttrib(window, pixelFormat, WGL_SAMPLES_ARB);
// We force 1 to zero here because all the other APIs say zero when
// they really mean 1
if (window->samples == 1)
window->samples = 0;
}
else
window->samples = 0;
}
else
{
DescribePixelFormat(window->WGL.DC, pixelFormat,
sizeof(PIXELFORMATDESCRIPTOR), &pfd);
// "Standard" window parameters
window->redBits = pfd.cRedBits;
window->greenBits = pfd.cGreenBits;
window->blueBits = pfd.cBlueBits;
window->alphaBits = pfd.cAlphaBits;
window->depthBits = pfd.cDepthBits;
window->stencilBits = pfd.cStencilBits;
window->accumRedBits = pfd.cAccumRedBits;
window->accumGreenBits = pfd.cAccumGreenBits;
window->accumBlueBits = pfd.cAccumBlueBits;
window->accumAlphaBits = pfd.cAccumAlphaBits;
window->auxBuffers = pfd.cAuxBuffers;
window->stereo = (pfd.dwFlags & PFD_STEREO) ? GL_TRUE : GL_FALSE;
// If we don't have WGL_ARB_pixel_format then we can't have created a
// multisampling context, so it's safe to hardcode zero here
window->samples = 0;
}
}
//========================================================================
// Creates an OpenGL context on the specified device context
//========================================================================
@@ -516,7 +440,6 @@ static GLboolean createContext(_GLFWwindow* window,
glfwMakeContextCurrent(window);
initWGLExtensions(window);
refreshContextParams(window, pixelFormat);
return GL_TRUE;
}