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-rw-r--r--indra/llrender/llvertexbuffer.cpp160
-rw-r--r--indra/llrender/llvertexbuffer.h15
2 files changed, 138 insertions, 37 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 02160b09c4..71bdca60e5 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -47,6 +47,7 @@ U32 LLVertexBuffer::sSetCount = 0;
S32 LLVertexBuffer::sCount = 0;
S32 LLVertexBuffer::sGLCount = 0;
S32 LLVertexBuffer::sMappedCount = 0;
+BOOL LLVertexBuffer::sDisableVBOMapping = FALSE ;
BOOL LLVertexBuffer::sEnableVBOs = TRUE;
U32 LLVertexBuffer::sGLRenderBuffer = 0;
U32 LLVertexBuffer::sGLRenderIndices = 0;
@@ -251,6 +252,7 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi
void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
{
llassert(mRequestedNumIndices >= 0);
+
if (indices_offset >= (U32) mRequestedNumIndices ||
indices_offset + count > (U32) mRequestedNumIndices)
{
@@ -282,6 +284,7 @@ void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
{
llassert(mRequestedNumVerts >= 0);
+
if (first >= (U32) mRequestedNumVerts ||
first + count > (U32) mRequestedNumVerts)
{
@@ -305,9 +308,10 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
}
//static
-void LLVertexBuffer::initClass(bool use_vbo)
+void LLVertexBuffer::initClass(bool use_vbo, bool no_vbo_mapping)
{
sEnableVBOs = use_vbo;
+ sDisableVBOMapping = sEnableVBOs && no_vbo_mapping ;
LLGLNamePool::registerPool(&sDynamicVBOPool);
LLGLNamePool::registerPool(&sDynamicIBOPool);
LLGLNamePool::registerPool(&sStreamVBOPool);
@@ -422,6 +426,8 @@ LLVertexBuffer::~LLVertexBuffer()
destroyGLBuffer();
destroyGLIndices();
sCount--;
+
+ llassert_always(!mMappedData && !mMappedIndexData) ;
};
//----------------------------------------------------------------------------
@@ -567,6 +573,8 @@ void LLVertexBuffer::destroyGLBuffer()
{
if (useVBOs())
{
+ freeClientBuffer() ;
+
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped!" << llendl;
@@ -594,11 +602,13 @@ void LLVertexBuffer::destroyGLIndices()
{
if (useVBOs())
{
+ freeClientBuffer() ;
+
if (mMappedData || mMappedIndexData)
{
llerrs << "Vertex buffer destroyed while mapped." << llendl;
}
- releaseIndices();
+ releaseIndices();
}
else
{
@@ -799,6 +809,7 @@ void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
if (mResized && useVBOs())
{
+ freeClientBuffer() ;
setBuffer(0);
}
}
@@ -822,6 +833,36 @@ BOOL LLVertexBuffer::useVBOs() const
}
//----------------------------------------------------------------------------
+void LLVertexBuffer::freeClientBuffer()
+{
+ if(useVBOs() && sDisableVBOMapping && (mMappedData || mMappedIndexData))
+ {
+ delete[] mMappedData ;
+ delete[] mMappedIndexData ;
+ mMappedData = NULL ;
+ mMappedIndexData = NULL ;
+ }
+}
+
+void LLVertexBuffer::allocateClientVertexBuffer()
+{
+ if(!mMappedData)
+ {
+ U32 size = getSize() ;
+ mMappedData = new U8[size];
+ memset(mMappedData, 0, size);
+ }
+}
+
+void LLVertexBuffer::allocateClientIndexBuffer()
+{
+ if(!mMappedIndexData)
+ {
+ U32 size = getIndicesSize();
+ mMappedIndexData = new U8[size];
+ memset(mMappedIndexData, 0, size);
+ }
+}
// Map for data access
U8* LLVertexBuffer::mapBuffer(S32 access)
@@ -843,12 +884,28 @@ U8* LLVertexBuffer::mapBuffer(S32 access)
setBuffer(0);
mLocked = TRUE;
stop_glerror();
- mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+
+ if(sDisableVBOMapping)
+ {
+ allocateClientVertexBuffer() ;
+ }
+ else
+ {
+ mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+ }
stop_glerror();
}
{
LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES);
- mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+
+ if(sDisableVBOMapping)
+ {
+ allocateClientIndexBuffer() ;
+ }
+ else
+ {
+ mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
+ }
stop_glerror();
}
@@ -862,37 +919,51 @@ U8* LLVertexBuffer::mapBuffer(S32 access)
llinfos << "Available physical mwmory(KB): " << avail_phy_mem << llendl ;
llinfos << "Available virtual memory(KB): " << avail_vir_mem << llendl;
- //--------------------
- //print out more debug info before crash
- llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
- GLint size ;
- glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
- llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
- //--------------------
+ if(!sDisableVBOMapping)
+ {
+ //--------------------
+ //print out more debug info before crash
+ llinfos << "vertex buffer size: (num verts : num indices) = " << getNumVerts() << " : " << getNumIndices() << llendl ;
+ GLint size ;
+ glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size) ;
+ llinfos << "GL_ARRAY_BUFFER_ARB size is " << size << llendl ;
+ //--------------------
- GLint buff;
- glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
- if ((GLuint)buff != mGLBuffer)
+ GLint buff;
+ glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
+ if ((GLuint)buff != mGLBuffer)
+ {
+ llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
+ }
+
+
+ llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
+ }
+ else
{
- llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
+ llerrs << "memory allocation for vertex data failed." << llendl ;
}
-
-
- llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
}
if (!mMappedIndexData)
{
log_glerror();
- GLint buff;
- glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
- if ((GLuint)buff != mGLIndices)
+ if(!sDisableVBOMapping)
{
- llerrs << "Invalid GL index buffer bound: " << buff << llendl;
- }
+ GLint buff;
+ glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
+ if ((GLuint)buff != mGLIndices)
+ {
+ llerrs << "Invalid GL index buffer bound: " << buff << llendl;
+ }
- llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
+ llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
+ }
+ else
+ {
+ llerrs << "memory allocation for Index data failed. " << llendl ;
+ }
}
sMappedCount++;
@@ -908,11 +979,29 @@ void LLVertexBuffer::unmapBuffer()
{
if (useVBOs() && mLocked)
{
- stop_glerror();
- glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
- stop_glerror();
- glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
- stop_glerror();
+ if(sDisableVBOMapping)
+ {
+ if(mMappedData)
+ {
+ stop_glerror();
+ glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, getSize(), mMappedData);
+ stop_glerror();
+ }
+ if(mMappedIndexData)
+ {
+ stop_glerror();
+ glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, getIndicesSize(), mMappedIndexData);
+ stop_glerror();
+ }
+ }
+ else
+ {
+ stop_glerror();
+ glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
+ stop_glerror();
+ glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
+ stop_glerror();
+ }
/*if (!sMapped)
{
@@ -926,15 +1015,22 @@ void LLVertexBuffer::unmapBuffer()
//throw out client data (we won't be using it again)
mEmpty = TRUE;
mFinal = TRUE;
+
+ if(sDisableVBOMapping)
+ {
+ freeClientBuffer() ;
+ }
}
else
{
mEmpty = FALSE;
}
- mMappedIndexData = NULL;
- mMappedData = NULL;
-
+ if(!sDisableVBOMapping)
+ {
+ mMappedIndexData = NULL;
+ mMappedData = NULL;
+ }
mLocked = FALSE;
}
}
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index 94fa790957..09a16d5b9d 100644
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -80,7 +80,7 @@ public:
static BOOL sUseStreamDraw;
- static void initClass(bool use_vbo);
+ static void initClass(bool use_vbo, bool no_vbo_mapping);
static void cleanupClass();
static void setupClientArrays(U32 data_mask);
static void clientCopy(F64 max_time = 0.005); //copy data from client to GL
@@ -152,6 +152,10 @@ public:
void allocateBuffer(S32 nverts, S32 nindices, bool create);
virtual void resizeBuffer(S32 newnverts, S32 newnindices);
+ void freeClientBuffer() ;
+ void allocateClientVertexBuffer() ;
+ void allocateClientIndexBuffer() ;
+
// Only call each getVertexPointer, etc, once before calling unmapBuffer()
// call unmapBuffer() after calls to getXXXStrider() before any cals to setBuffer()
// example:
@@ -216,7 +220,7 @@ protected:
S32 mOffsets[TYPE_MAX];
BOOL mResized; // if TRUE, client buffer has been resized and GL buffer has not
BOOL mDynamicSize; // if TRUE, buffer has been resized at least once (and should be padded)
-
+
class DirtyRegion
{
public:
@@ -240,13 +244,14 @@ public:
static std::vector<U32> sDeleteList;
typedef std::list<LLVertexBuffer*> buffer_list_t;
+ static BOOL sDisableVBOMapping; //disable glMapBufferARB
static BOOL sEnableVBOs;
+ static BOOL sVBOActive;
+ static BOOL sIBOActive;
static S32 sTypeOffsets[TYPE_MAX];
static U32 sGLMode[LLRender::NUM_MODES];
static U32 sGLRenderBuffer;
- static U32 sGLRenderIndices;
- static BOOL sVBOActive;
- static BOOL sIBOActive;
+ static U32 sGLRenderIndices;
static U32 sLastMask;
static U32 sAllocatedBytes;
static U32 sBindCount;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 21:08:34 +0000