diff options
Diffstat (limited to 'indra/llrender/llvertexbuffer.cpp')
| -rw-r--r-- | indra/llrender/llvertexbuffer.cpp | 219 |
1 files changed, 179 insertions, 40 deletions
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index d5a7159ee3..b6a252e8fa 100644 --- a/indra/llrender/llvertexbuffer.cpp +++ b/indra/llrender/llvertexbuffer.cpp @@ -35,6 +35,8 @@ #include "llmemtype.h" #include "llrender.h" #include "llvector4a.h" +#include "llglslshader.h" + //============================================================================ @@ -65,6 +67,60 @@ S32 LLVertexBuffer::sWeight4Loc = -1; std::vector<U32> LLVertexBuffer::sDeleteList; +const U32 FENCE_WAIT_TIME_NANOSECONDS = 10000; //1 ms + +class LLGLSyncFence : public LLGLFence +{ +public: +#ifdef GL_ARB_sync + GLsync mSync; +#endif + + LLGLSyncFence() + { +#ifdef GL_ARB_sync + mSync = 0; +#endif + } + + ~LLGLSyncFence() + { +#ifdef GL_ARB_sync + if (mSync) + { + glDeleteSync(mSync); + } +#endif + } + + void placeFence() + { +#ifdef GL_ARB_sync + if (mSync) + { + glDeleteSync(mSync); + } + mSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); +#endif + } + + void wait() + { +#ifdef GL_ARB_sync + 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++; + } + } +#endif + } + + +}; + S32 LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_MAX] = { sizeof(LLVector4), // TYPE_VERTEX, @@ -310,6 +366,7 @@ 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 @@ -341,6 +398,7 @@ 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 @@ -366,6 +424,7 @@ void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const stop_glerror(); glDrawArrays(sGLMode[mode], first, count); stop_glerror(); + placeFence(); } //static @@ -445,9 +504,11 @@ 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 ; @@ -528,9 +589,40 @@ 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() @@ -893,17 +985,11 @@ BOOL LLVertexBuffer::useVBOs() const { //it's generally ineffective to use VBO for things that are streaming on apple -#if LL_DARWIN - if (!mUsage || mUsage == GL_STREAM_DRAW_ARB) - { - return FALSE; - } -#else if (!mUsage) { return FALSE; } -#endif + return TRUE; } @@ -968,8 +1054,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran if (useVBOs()) { - - if (sDisableVBOMapping || gGLManager.mHasMapBufferRange) + if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange) { if (count == -1) { @@ -1009,6 +1094,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES); setBuffer(0, type); mVertexLocked = TRUE; + sMappedCount++; stop_glerror(); if(sDisableVBOMapping) @@ -1019,29 +1105,50 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran else { U8* src = NULL; -#ifdef GL_ARB_map_buffer_range + waitFence(); if (gGLManager.mHasMapBufferRange) { if (map_range) { +#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); +#endif } else { - src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, 0, mSize, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT); +#ifdef GL_ARB_map_buffer_range + src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, 0, mSize, + GL_MAP_WRITE_BIT | + GL_MAP_FLUSH_EXPLICIT_BIT); +#endif + } + } + else if (gGLManager.mHasFlushBufferRange) + { + if (map_range) + { + glBufferParameteriAPPLE(GL_ARRAY_BUFFER_ARB, GL_BUFFER_SERIALIZED_MODIFY_APPLE, GL_FALSE); + glBufferParameteriAPPLE(GL_ARRAY_BUFFER_ARB, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE); + src = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); + } + else + { + src = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); } } else -#else - llassert_always(!gGLManager.mHasMapBufferRange); -#endif { map_range = false; src = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); } + llassert(src != NULL); + mMappedData = LL_NEXT_ALIGNED_ADDRESS<U8>(src); mAlignedOffset = mMappedData - src; @@ -1083,7 +1190,6 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran llerrs << "memory allocation for vertex data failed." << llendl ; } } - sMappedCount++; } } else @@ -1091,7 +1197,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran map_range = false; } - if (map_range && !sDisableVBOMapping) + if (map_range && gGLManager.mHasMapBufferRange && !sDisableVBOMapping) { return mMappedData; } @@ -1115,7 +1221,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range) if (useVBOs()) { - if (sDisableVBOMapping || gGLManager.mHasMapBufferRange) + if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange) { if (count == -1) { @@ -1153,6 +1259,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range) setBuffer(0, TYPE_INDEX); mIndexLocked = TRUE; + sMappedCount++; stop_glerror(); if(sDisableVBOMapping) @@ -1163,29 +1270,51 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range) else { U8* src = NULL; -#ifdef GL_ARB_map_buffer_range + waitFence(); if (gGLManager.mHasMapBufferRange) { if (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); +#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); +#endif + } + } + else if (gGLManager.mHasFlushBufferRange) + { + if (map_range) + { + glBufferParameteriAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_BUFFER_SERIALIZED_MODIFY_APPLE, GL_FALSE); + glBufferParameteriAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_BUFFER_FLUSHING_UNMAP_APPLE, GL_FALSE); + src = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); } else { - src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, sizeof(U16)*mNumIndices, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT); + src = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); } } else -#else - llassert_always(!gGLManager.mHasMapBufferRange); -#endif { map_range = false; src = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB); } + llassert(src != NULL); + + mMappedIndexData = src; //LL_NEXT_ALIGNED_ADDRESS<U8>(src); mAlignedIndexOffset = mMappedIndexData - src; stop_glerror(); @@ -1212,15 +1341,13 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range) llerrs << "memory allocation for Index data failed. " << llendl ; } } - - sMappedCount++; } else { map_range = false; } - if (map_range && !sDisableVBOMapping) + if (map_range && gGLManager.mHasMapBufferRange && !sDisableVBOMapping) { return mMappedIndexData; } @@ -1269,8 +1396,7 @@ void LLVertexBuffer::unmapBuffer(S32 type) } else { -#ifdef GL_ARB_map_buffer_range - if (gGLManager.mHasMapBufferRange) + if (gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange) { if (!mMappedVertexRegions.empty()) { @@ -1280,16 +1406,22 @@ void LLVertexBuffer::unmapBuffer(S32 type) const MappedRegion& region = mMappedVertexRegions[i]; S32 offset = region.mIndex >= 0 ? mOffsets[region.mType]+sTypeSize[region.mType]*region.mIndex : 0; S32 length = sTypeSize[region.mType]*region.mCount; - glFlushMappedBufferRange(GL_ARRAY_BUFFER_ARB, offset, length); + if (gGLManager.mHasMapBufferRange) + { +#ifdef GL_ARB_map_buffer_range + glFlushMappedBufferRange(GL_ARRAY_BUFFER_ARB, offset, length); +#endif + } + else if (gGLManager.mHasFlushBufferRange) + { + glFlushMappedBufferRangeAPPLE(GL_ARRAY_BUFFER_ARB, offset, length); + } stop_glerror(); } mMappedVertexRegions.clear(); } } -#else - llassert_always(!gGLManager.mHasMapBufferRange); -#endif stop_glerror(); glUnmapBufferARB(GL_ARRAY_BUFFER_ARB); stop_glerror(); @@ -1327,8 +1459,7 @@ void LLVertexBuffer::unmapBuffer(S32 type) } else { -#ifdef GL_ARB_map_buffer_range - if (gGLManager.mHasMapBufferRange) + if (gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange) { if (!mMappedIndexRegions.empty()) { @@ -1337,16 +1468,24 @@ void LLVertexBuffer::unmapBuffer(S32 type) const MappedRegion& region = mMappedIndexRegions[i]; S32 offset = region.mIndex >= 0 ? sizeof(U16)*region.mIndex : 0; S32 length = sizeof(U16)*region.mCount; - glFlushMappedBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length); + if (gGLManager.mHasMapBufferRange) + { +#ifdef GL_ARB_map_buffer_range + glFlushMappedBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length); +#endif + } + else if (gGLManager.mHasFlushBufferRange) + { +#ifdef GL_APPLE_flush_buffer_range + glFlushMappedBufferRangeAPPLE(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length); +#endif + } stop_glerror(); } mMappedIndexRegions.clear(); } } -#else - llassert_always(!gGLManager.mHasMapBufferRange); -#endif stop_glerror(); glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB); stop_glerror(); |