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-rw-r--r--indra/newview/llvovolume.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index b853112f74..6a18534484 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -99,6 +99,8 @@ static LLFastTimer::DeclareTimer FTM_GEN_TRIANGLES("Generate Triangles");
static LLFastTimer::DeclareTimer FTM_GEN_VOLUME("Generate Volumes");
static LLFastTimer::DeclareTimer FTM_VOLUME_TEXTURES("Volume Textures");
+extern BOOL gGLDebugLoggingEnabled;
+
// Implementation class of LLMediaDataClientObject. See llmediadataclient.h
class LLMediaDataClientObjectImpl : public LLMediaDataClientObject
{
@@ -1067,7 +1069,9 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
break;
}
volume->genBinormals(i);
+ //gGLDebugLoggingEnabled = TRUE;
LLFace::cacheFaceInVRAM(face);
+ //gGLDebugLoggingEnabled = FALSE;
}
}
@@ -4836,6 +4840,16 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
U32 buffer_usage = group->mBufferUsage;
+ static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback");
+
+ if (use_transform_feedback &&
+ gTransformPositionProgram.mProgramObject && //transform shaders are loaded
+ buffer_usage == GL_DYNAMIC_DRAW_ARB && //target buffer is in VRAM
+ !(mask & LLVertexBuffer::MAP_WEIGHT4)) //TODO: add support for weights
+ {
+ buffer_usage = GL_DYNAMIC_COPY_ARB;
+ }
+
#if LL_DARWIN
// HACK from Leslie:
// Disable VBO usage for alpha on Mac OS X because it kills the framerate
@@ -4895,6 +4909,8 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
//NEVER use more than 16 texture index channels (workaround for prevalent driver bug)
texture_index_channels = llmin(texture_index_channels, 16);
+ bool flexi = false;
+
while (face_iter != faces.end())
{
//pull off next face
@@ -4921,6 +4937,8 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
U32 index_count = facep->getIndicesCount();
U32 geom_count = facep->getGeomCount();
+ flexi = flexi || facep->getViewerObject()->getVolume()->isUnique();
+
//sum up vertices needed for this render batch
std::vector<LLFace*>::iterator i = face_iter;
++i;
@@ -4989,6 +5007,9 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
}
++i;
+
+ flexi = flexi || facep->getViewerObject()->getVolume()->isUnique();
+
index_count += facep->getIndicesCount();
geom_count += facep->getGeomCount();
@@ -5018,10 +5039,18 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
++i;
index_count += facep->getIndicesCount();
geom_count += facep->getGeomCount();
+
+ flexi = flexi || facep->getViewerObject()->getVolume()->isUnique();
}
}
}
+
+ if (flexi && buffer_usage && buffer_usage != GL_STREAM_DRAW_ARB)
+ {
+ buffer_usage = GL_STREAM_DRAW_ARB;
+ }
+
//create vertex buffer
LLVertexBuffer* buffer = NULL;