diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.cpp')
| -rw-r--r-- | indra/llrender/llvertexbuffer.cpp | 109 |
1 files changed, 103 insertions, 6 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index db9c8f83f8..2a297bcc45 100644 --- a/indra/llrender/llvertexbuffer.cpp +++ b/indra/llrender/llvertexbuffer.cpp @@ -65,6 +65,50 @@ S32 LLVertexBuffer::sWeight4Loc = -1; std::vector<U32> LLVertexBuffer::sDeleteList; +const U32 FENCE_WAIT_TIME_NANOSECONDS = 10000; //1 ms + +class LLGLSyncFence : public LLGLFence +{ +public: + GLsync mSync; + + LLGLSyncFence() + { + mSync = 0; + } + + ~LLGLSyncFence() + { + if (mSync) + { + glDeleteSync(mSync); + } + } + + void placeFence() + { + if (mSync) + { + glDeleteSync(mSync); + } + mSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); + } + + void wait() + { + if (mSync) + { + while (glClientWaitSync(mSync, 0, FENCE_WAIT_TIME_NANOSECONDS) == GL_TIMEOUT_EXPIRED) + { //track the number of times we've waited here + static S32 waits = 0; + waits++; + } + } + } + + +}; + S32 LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_MAX] = { sizeof(LLVector4), // TYPE_VERTEX, @@ -309,6 +353,7 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT, idx); stop_glerror(); + placeFence(); } void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const @@ -340,6 +385,7 @@ void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const glDrawElements(sGLMode[mode], count, GL_UNSIGNED_SHORT, ((U16*) getIndicesPointer()) + indices_offset); stop_glerror(); + placeFence(); } void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const @@ -365,6 +411,7 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const stop_glerror(); glDrawArrays(sGLMode[mode], first, count); stop_glerror(); + placeFence(); } //static @@ -444,9 +491,11 @@ LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) : mFilthy(FALSE), mEmpty(TRUE), mResized(FALSE), - mDynamicSize(FALSE) + mDynamicSize(FALSE), + mFence(NULL) { LLMemType mt2(LLMemType::MTYPE_VERTEX_CONSTRUCTOR); + mFence = NULL; if (!sEnableVBOs) { mUsage = 0 ; @@ -527,9 +576,40 @@ LLVertexBuffer::~LLVertexBuffer() destroyGLIndices(); sCount--; + if (mFence) + { + delete mFence; + } + + mFence = NULL; + llassert_always(!mMappedData && !mMappedIndexData) ; }; +void LLVertexBuffer::placeFence() const +{ + /*if (!mFence && useVBOs()) + { + if (gGLManager.mHasSync) + { + mFence = new LLGLSyncFence(); + } + } + + if (mFence) + { + mFence->placeFence(); + }*/ +} + +void LLVertexBuffer::waitFence() const +{ + /*if (mFence) + { + mFence->wait(); + }*/ +} + //---------------------------------------------------------------------------- void LLVertexBuffer::genBuffer() @@ -967,7 +1047,6 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran if (useVBOs()) { - if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange) { if (count == -1) @@ -1019,6 +1098,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran else { U8* src = NULL; + waitFence(); if (gGLManager.mHasMapBufferRange) { if (map_range) @@ -1026,13 +1106,20 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran #ifdef GL_ARB_map_buffer_range S32 offset = mOffsets[type] + sTypeSize[type]*index; S32 length = (sTypeSize[type]*count+0xF) & ~0xF; - src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, offset, length, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT | GL_MAP_INVALIDATE_RANGE_BIT); + src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, offset, length, + GL_MAP_WRITE_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT | + GL_MAP_INVALIDATE_RANGE_BIT | + GL_MAP_UNSYNCHRONIZED_BIT); #endif } else { #ifdef GL_ARB_map_buffer_range - src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, 0, mSize, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT); + src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, 0, mSize, + GL_MAP_WRITE_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT | + GL_MAP_UNSYNCHRONIZED_BIT); #endif } } @@ -1178,6 +1265,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range) else { U8* src = NULL; + waitFence(); if (gGLManager.mHasMapBufferRange) { if (map_range) @@ -1185,13 +1273,20 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range) #ifdef GL_ARB_map_buffer_range S32 offset = sizeof(U16)*index; S32 length = sizeof(U16)*count; - src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT | GL_MAP_INVALIDATE_RANGE_BIT); + src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length, + GL_MAP_WRITE_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT | + GL_MAP_INVALIDATE_RANGE_BIT | + GL_MAP_UNSYNCHRONIZED_BIT); #endif } else { #ifdef GL_ARB_map_buffer_range - src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, sizeof(U16)*mNumIndices, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT); + src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, sizeof(U16)*mNumIndices, + GL_MAP_WRITE_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT | + GL_MAP_UNSYNCHRONIZED_BIT); #endif } } @@ -1378,7 +1473,9 @@ void LLVertexBuffer::unmapBuffer(S32 type) } else if (gGLManager.mHasFlushBufferRange) { +#ifdef GL_APPLE_flush_buffer_range glFlushMappedBufferRangeAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length); +#endif } stop_glerror(); } |