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Prevent sRGB and non-sRGB Canvas formats from being used together in multi-canvas rendering (MRTs), due to driver bugs.

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This commit is contained in:
Alex Szpakowski
2015-03-29 23:51:08 -03:00
parent 6a07823224
commit 2a6bffaa5a
1 changed files with 10 additions and 2 deletions
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src/modules/graphics/opengl/Canvas.cpp
+10 -2
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@@ -433,8 +433,16 @@ void Canvas::startGrab(const std::vector<Canvas *> &canvases)
if (canvases[i]->getWidth() != width || canvases[i]->getHeight() != height)
throw love::Exception("All canvases must have the same dimensions.");
if (canvases[i]->getTextureFormat() != format && !multiformatsupported)
throw love::Exception("This system doesn't support multi-canvas rendering with different canvas formats.");
Format otherformat = canvases[i]->getTextureFormat();
if (otherformat != format)
{
if (!multiformatsupported)
throw love::Exception("This system doesn't support multi-canvas rendering with different canvas formats.");
else if (otherformat == FORMAT_SRGB || format == FORMAT_SRGB)
// Driver bugs related to enabling GL_FRAMEBUFFER_SRGB...
throw love::Exception("sRGB and non-sRGB canvas formats cannot be mixed when using multi-canvas rendering.");
}
if (canvases[i]->getMSAA() != 0)
throw love::Exception("Multi-canvas rendering is not supported with MSAA.");