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- Small changes for improved ATI support

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Paolo Cignoni cignoni 2008-02-11 18:55:21 +00:00
parent a5ad530ba3
commit 2bbf724def
1 changed files with 11 additions and 1 deletions
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12
src/meshlabplugins/filter_ao/filter_ao.cpp
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@ -24,6 +24,9 @@
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$Log$
Revision 1.30 2008/02/11 18:55:21 mischitelli
- Small changes for improved ATI support
Revision 1.29 2008/02/11 18:09:50 mischitelli
- Improved portability on systems with less powerful hardware
- Added a fallback to FP16 blending for hardware that doesn't support it on FP32 render targets.
@ -384,7 +387,14 @@ void AmbientOcclusionPlugin::initGL(vcg::CallBackPos *cb, unsigned int numVertic
{
if ( glewIsSupported("GL_ATI_texture_float") )
{
colorFormat = 0x8814; //RGBA_FLOAT32_ATI
if ( glewIsSupported("EXT_gpu_shader4") )
colorFormat = 0x8814; //RGBA_FLOAT32_ATI on HD2k or HD3k cards
else
{
Log(0,"Warning: your hardware doesn't support blending on FP32 textures; using FP16 instead");
colorFormat = 0x881A; //RGBA_FLOAT16_ATI on X1k or older cards
dataTypeFP = GL_HALF_FLOAT_ARB;
}
}
else
{