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BGE: Committing a patch from HG1 to fix [#30262] "bgl.glClipPlane don't work on Nvidia cards," which was also reported by HG1.

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Mitchell Stokes
2012-11-24 00:58:57 +00:00
parent d8c257faa7
commit 89f4566930
1 changed files with 8 additions and 0 deletions
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8
source/blender/gpu/shaders/gpu_shader_vertex.glsl
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@@ -10,3 +10,11 @@ void main()
varnormal = normalize(gl_NormalMatrix * gl_Normal);
gl_Position = gl_ProjectionMatrix * co;
// Setting gl_ClipVertex is necessary to get glClipPlane working on NVIDIA graphic cards.
// gl_ClipVertex works only on NVIDIA graphic cards so we have to check with
// __GLSL_CG_DATA_TYPES if a NVIDIA graphic card is used (Cg support).
// gl_ClipVerte is supported up to GLSL 1.20.
#ifdef __GLSL_CG_DATA_TYPES
gl_ClipVertex = gl_ModelViewMatrix * gl_Vertex;
#endif