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Applied the anti-aliasing modifications to the Linux implementation

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git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1317 4e206d99-4929-0410-ac5d-dfc041789085
This commit is contained in:
laurentgom 2010-01-02 18:37:02 +00:00
parent f2a1ba3cda
commit da44e3d8e5
1 changed files with 40 additions and 54 deletions
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24
src/SFML/Window/Linux/ContextGLX.cpp
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@ -188,8 +188,6 @@ void ContextGLX::CreateContext(ContextGLX* shared, unsigned int bitsPerPixel, co
// Find the best visual // Find the best visual
int bestScore = 0xFFFF; int bestScore = 0xFFFF;
XVisualInfo* bestVisual = NULL; XVisualInfo* bestVisual = NULL;
while (!bestVisual)
{
for (int i = 0; i < nbVisuals; ++i) for (int i = 0; i < nbVisuals; ++i)
{ {
// Get the current visual attributes // Get the current visual attributes
@ -221,27 +219,12 @@ void ContextGLX::CreateContext(ContextGLX* shared, unsigned int bitsPerPixel, co
} }
} }
// If no visual has been found, try a lower level of antialiasing // Make sure that we have found a visual
if (!bestVisual) if (!bestVisual)
{
if (mySettings.AntialiasingLevel > 2)
{
std::cerr << "Failed to find a pixel format supporting "
<< mySettings.AntialiasingLevel << " antialiasing levels ; trying with 2 levels" << std::endl;
mySettings.AntialiasingLevel = 2;
}
else if (mySettings.AntialiasingLevel > 0)
{
std::cerr << "Failed to find a pixel format supporting antialiasing ; antialiasing will be disabled" << std::endl;
mySettings.AntialiasingLevel = 0;
}
else
{ {
std::cerr << "Failed to find a suitable pixel format for the window -- cannot create OpenGL context" << std::endl; std::cerr << "Failed to find a suitable pixel format for the window -- cannot create OpenGL context" << std::endl;
return; return;
} }
}
}
// Get the context to share display lists with // Get the context to share display lists with
GLXContext toShare = shared ? shared->myContext : NULL; GLXContext toShare = shared ? shared->myContext : NULL;
@ -296,11 +279,14 @@ void ContextGLX::CreateContext(ContextGLX* shared, unsigned int bitsPerPixel, co
} }
// Update the creation settings from the chosen format // Update the creation settings from the chosen format
int depth, stencil; int depth, stencil, multiSampling, samples;
glXGetConfig(myDisplay, bestVisual, GLX_DEPTH_SIZE, &depth); glXGetConfig(myDisplay, bestVisual, GLX_DEPTH_SIZE, &depth);
glXGetConfig(myDisplay, bestVisual, GLX_STENCIL_SIZE, &stencil); glXGetConfig(myDisplay, bestVisual, GLX_STENCIL_SIZE, &stencil);
glXGetConfig(myDisplay, bestVisual, GLX_SAMPLE_BUFFERS_ARB, &multiSampling);
glXGetConfig(myDisplay, bestVisual, GLX_SAMPLES_ARB, &samples);
mySettings.DepthBits = static_cast<unsigned int>(depth); mySettings.DepthBits = static_cast<unsigned int>(depth);
mySettings.StencilBits = static_cast<unsigned int>(stencil); mySettings.StencilBits = static_cast<unsigned int>(stencil);
mySettings.AntialiasingLevel = multiSampling ? samples : 0;
// Change the target window's colormap so that it matches the context's one // Change the target window's colormap so that it matches the context's one
::Window root = RootWindow(myDisplay, DefaultScreen(myDisplay)); ::Window root = RootWindow(myDisplay, DefaultScreen(myDisplay));