Commit: 4f4997cb0386de5d3d2b2d8f41c9d6f9078e5910
Author: Antony Riakiotakis
Date: Wed Aug 27 11:23:10 2014 +0200
Branches: master
https://developer.blender.org/rB4f4997cb0386de5d3d2b2d8f41c9d6f9078e5910
Disable clipping on ATI cards not supporting the clipping workaround to
avoid software fallback.
===================================================================
M source/blender/gpu/shaders/gpu_shader_simple_vert.glsl
M source/blender/gpu/shaders/gpu_shader_vertex.glsl
===================================================================
diff --git a/source/blender/gpu/shaders/gpu_shader_simple_vert.glsl
b/source/blender/gpu/shaders/gpu_shader_simple_vert.glsl
index e094f22..8ccd0fe 100644
--- a/source/blender/gpu/shaders/gpu_shader_simple_vert.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_simple_vert.glsl
@@ -37,7 +37,7 @@ void main()
int i;
for(i = 0; i < 6; i++)
gl_ClipDistance[i] = dot(co, gl_ClipPlane[i]);
-#else
+#elif !defined(GPU_ATI)
// Setting gl_ClipVertex is necessary to get glClipPlane working on
NVIDIA
// graphic cards, while on ATI it can cause a software fallback.
gl_ClipVertex = co;
diff --git a/source/blender/gpu/shaders/gpu_shader_vertex.glsl
b/source/blender/gpu/shaders/gpu_shader_vertex.glsl
index 96ce00e..b5d8dcc 100644
--- a/source/blender/gpu/shaders/gpu_shader_vertex.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_vertex.glsl
@@ -18,7 +18,7 @@ void main()
int i;
for(i = 0; i < 6; i++)
gl_ClipDistance[i] = dot(co, gl_ClipPlane[i]);
-#else
+#elif !defined(GPU_ATI)
// Setting gl_ClipVertex is necessary to get glClipPlane working on
NVIDIA
// graphic cards, while on ATI it can cause a software fallback.
gl_ClipVertex = co;
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