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Hack around latest AMD graphics cards having troubles with point sprite rendering

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The problem is still unresolved on the 5870 card, and results in a black screen
See also http://forums.amd.com/devforum/messageview.cfm?catid=392&threadid=129431
This commit is contained in:
erwin.coumans
2010-06-25 18:31:10 +00:00
parent b04f176604
commit b884554a8f
2 changed files with 10 additions and 2 deletions
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2
Demos/ParticlesOpenCL/AMD/CMakeLists.txt
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@@ -6,6 +6,8 @@ ${BULLET_PHYSICS_SOURCE_DIR}/Demos/SharedOpenCL
${BULLET_PHYSICS_SOURCE_DIR}/Demos/OpenGL ${BULLET_PHYSICS_SOURCE_DIR}/Demos/OpenGL
) )
ADD_DEFINITIONS(-DUSE_AMD_OPENCL)
IF (INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES) IF (INTERNAL_CREATE_DISTRIBUTABLE_MSVC_PROJECTFILES)
INCLUDE_DIRECTORIES( $ENV{==ATISTREAMSDKROOT=}/include ) INCLUDE_DIRECTORIES( $ENV{==ATISTREAMSDKROOT=}/include )
IF (CMAKE_CL_64) IF (CMAKE_CL_64)

8
Demos/ParticlesOpenCL/shaders.cpp
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@@ -14,8 +14,14 @@ void main()
float dist = length(posEye); float dist = length(posEye);
gl_PointSize = pointRadius * (pointScale / dist); gl_PointSize = pointRadius * (pointScale / dist);
// gl_PointSize = 4.0; // gl_PointSize = 4.0;
//hack around latest AMD graphics cards having troubles with point sprite rendering
//the problem is still unresolved on the 5870 card, and results in a black screen
//see also http://forums.amd.com/devforum/messageview.cfm?catid=392&threadid=129431
#ifdef USE_AMD_OPENCL
gl_TexCoord = gl_MultiTexCoord0;
#else
gl_TexCoord[0] = gl_MultiTexCoord0; gl_TexCoord[0] = gl_MultiTexCoord0;
#endif
gl_Position = gl_ModelViewProjectionMatrix * vec4(gl_Vertex.xyz, 1.0); gl_Position = gl_ModelViewProjectionMatrix * vec4(gl_Vertex.xyz, 1.0);
gl_FrontColor = gl_Color; gl_FrontColor = gl_Color;