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Allow trial of trasform feedback (for testing/benchmark) on hardware that declares support for GL_EXT_transform_feedback. Performance is far less than satisfactory on my hd4870(ogl3.3 gpu), however. Also messes up texcoords. Don't add RenderUseTransformFeedback to settings.xml.

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Shyotl
2012-11-09 18:10:39 -06:00
parent 0c58a42b08
commit d54daa19a0
4 changed files with 17 additions and 3 deletions
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2
indra/newview/llface.cpp
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@@ -1374,7 +1374,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
static LLCachedControl<bool> use_transform_feedback("RenderUseTransformFeedback", false);
#if 0//#ifdef GL_TRANSFORM_FEEDBACK_BUFFER
#ifdef GL_TRANSFORM_FEEDBACK_BUFFER
if (use_transform_feedback &&
gTransformPositionProgram.mProgramObject && //transform shaders are loaded
mVertexBuffer->useVBOs() && //target buffer is in VRAM