diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.cpp')
| -rw-r--r-- | indra/llrender/llvertexbuffer.cpp | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index 7f2337a224..c3e1a486b3 100644 --- a/indra/llrender/llvertexbuffer.cpp +++ b/indra/llrender/llvertexbuffer.cpp @@ -430,7 +430,7 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi } } - if (gDebugGL && useVBOs()) + if (gDebugGL && !mGLArray && useVBOs()) { GLint elem = 0; glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &elem); @@ -1049,6 +1049,8 @@ void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create) createGLBuffer(); createGLIndices(); + //actually allocate space for the vertex buffer if using VBO mapping + flush(); if (gGLManager.mHasVertexArrayObject && useVBOs() && (LLRender::sGLCoreProfile || sUseVAO)) { @@ -1064,7 +1066,15 @@ void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create) void LLVertexBuffer::setupVertexArray() { - bindGLArray(); + if (!mGLArray) + { + return; + } + +#if GL_ARB_vertex_array_object + glBindVertexArray(mGLArray); +#endif + sGLRenderArray = mGLArray; U32 attrib_size[] = { @@ -1362,6 +1372,18 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran else { #ifdef GL_ARB_map_buffer_range + + if (gDebugGL) + { + GLint size = 0; + glGetBufferParameterivARB(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SIZE_ARB, &size); + + if (size < mSize) + { + llerrs << "Invalid buffer size." << llendl; + } + } + src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, 0, mSize, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT); @@ -1874,11 +1896,10 @@ bool LLVertexBuffer::bindGLArray() #endif sGLRenderArray = mGLArray; - if (mGLIndices) - { - sGLRenderIndices = mGLIndices; - sIBOActive = TRUE; - } + //really shouldn't be necessary, but some drivers don't properly restore the + //state of GL_ELEMENT_ARRAY_BUFFER_BINDING + bindGLIndices(); + return true; } @@ -1911,17 +1932,6 @@ bool LLVertexBuffer::bindGLBuffer(bool force_bind) ret = true; } - if (gDebugGL && useVBOs()) - { - GLint elem = 0; - glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &elem); - - if (elem != mGLBuffer) - { - llerrs << "Wrong vertex buffer bound!" << llendl; - } - } - return ret; } @@ -1944,17 +1954,6 @@ bool LLVertexBuffer::bindGLIndices(bool force_bind) ret = true; } - if (gDebugGL && useVBOs()) - { - GLint elem = 0; - glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &elem); - - if (elem != mGLIndices) - { - llerrs << "Wrong index buffer bound!" << llendl; - } - } - return ret; } |