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Added more pixelformat tests to win32

This commit is contained in:
Elias Naur 2002-12-12 22:04:05 +00:00
parent 38438f6716
commit b7de8b69dc
1 changed files with 33 additions and 6 deletions
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39
src/native/win32/org_lwjgl_opengl_BaseGL.cpp
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@ -60,15 +60,16 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_BaseGL_nCreate
printf("No window handle\n");
return JNI_FALSE;
}
int flags = PFD_DRAW_TO_WINDOW | // support window
PFD_SUPPORT_OPENGL | // support OpenGL
PFD_GENERIC_ACCELERATED |
PFD_DOUBLEBUFFER; // double buffered
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR), // size of this pfd
1, // version number
PFD_DRAW_TO_WINDOW | // support window
PFD_SUPPORT_OPENGL | // support OpenGL
PFD_GENERIC_ACCELERATED |
PFD_DOUBLEBUFFER, // double buffered
PFD_TYPE_RGBA, // RGBA type
flags, // RGBA type
PFD_TYPE_RGBA,
(BYTE)colorBits,
0, 0, 0, 0, 0, 0, // color bits ignored
(BYTE)alphaBits,
@ -86,7 +87,7 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_BaseGL_nCreate
// Ensure desktop color depth is adequate
int availableBitDepth = GetDeviceCaps(hdc, BITSPIXEL);
if (availableBitDepth < colorBits) {
printf("This application requires a greater colour depth.");
printf("This application requires a greater colour depth.\n");
return JNI_FALSE;
};
@ -99,6 +100,32 @@ JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_BaseGL_nCreate
return JNI_FALSE;
}
PIXELFORMATDESCRIPTOR desc;
if (DescribePixelFormat(hdc, iPixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &desc) == 0) {
printf("Could not describe pixel format\n");
return JNI_FALSE;
}
if (desc.cColorBits < colorBits) {
printf("This application requires a greater colour depth.\n");
return JNI_FALSE;
}
if (desc.cStencilBits < stencilBits) {
printf("This application requires a greater stencil depth.\n");
return JNI_FALSE;
}
if (desc.cDepthBits < depthBits) {
printf("This application requires a greater depth buffer depth.\n");
return JNI_FALSE;
}
if ((desc.dwFlags & flags) == 0) {
printf("Capabilities not supported.\n");
return JNI_FALSE;
}
#ifdef _DEBUG
printf("Pixel format is %d\n", iPixelFormat);
#endif