1888 lines
42 KiB
C++
1888 lines
42 KiB
C++
/**
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* @file llvertexbuffer.cpp
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* @brief LLVertexBuffer implementation
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*
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* $LicenseInfo:firstyear=2003&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include <boost/static_assert.hpp>
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#include "llsys.h"
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#include "llvertexbuffer.h"
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// #include "llrender.h"
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#include "llglheaders.h"
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#include "llmemtype.h"
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#include "llrender.h"
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#include "llvector4a.h"
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#include "llglslshader.h"
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#include "llmemory.h"
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//============================================================================
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//static
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LLVBOPool LLVertexBuffer::sStreamVBOPool;
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LLVBOPool LLVertexBuffer::sDynamicVBOPool;
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LLVBOPool LLVertexBuffer::sStreamIBOPool;
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LLVBOPool LLVertexBuffer::sDynamicIBOPool;
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LLPrivateMemoryPool* LLVertexBuffer::sPrivatePoolp = NULL ;
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U32 LLVertexBuffer::sBindCount = 0;
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U32 LLVertexBuffer::sSetCount = 0;
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S32 LLVertexBuffer::sCount = 0;
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S32 LLVertexBuffer::sGLCount = 0;
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S32 LLVertexBuffer::sMappedCount = 0;
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BOOL LLVertexBuffer::sDisableVBOMapping = FALSE ;
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BOOL LLVertexBuffer::sEnableVBOs = TRUE;
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U32 LLVertexBuffer::sGLRenderBuffer = 0;
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U32 LLVertexBuffer::sGLRenderIndices = 0;
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U32 LLVertexBuffer::sLastMask = 0;
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BOOL LLVertexBuffer::sVBOActive = FALSE;
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BOOL LLVertexBuffer::sIBOActive = FALSE;
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U32 LLVertexBuffer::sAllocatedBytes = 0;
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BOOL LLVertexBuffer::sMapped = FALSE;
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BOOL LLVertexBuffer::sUseStreamDraw = TRUE;
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BOOL LLVertexBuffer::sPreferStreamDraw = FALSE;
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S32 LLVertexBuffer::sWeight4Loc = -1;
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std::vector<U32> LLVertexBuffer::sDeleteList;
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const U32 FENCE_WAIT_TIME_NANOSECONDS = 10000; //1 ms
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class LLGLSyncFence : public LLGLFence
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{
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public:
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#ifdef GL_ARB_sync
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GLsync mSync;
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#endif
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LLGLSyncFence()
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{
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#ifdef GL_ARB_sync
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mSync = 0;
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#endif
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}
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~LLGLSyncFence()
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{
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#ifdef GL_ARB_sync
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if (mSync)
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{
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glDeleteSync(mSync);
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}
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#endif
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}
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void placeFence()
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{
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#ifdef GL_ARB_sync
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if (mSync)
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{
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glDeleteSync(mSync);
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}
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mSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
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#endif
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}
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void wait()
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{
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#ifdef GL_ARB_sync
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if (mSync)
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{
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while (glClientWaitSync(mSync, 0, FENCE_WAIT_TIME_NANOSECONDS) == GL_TIMEOUT_EXPIRED)
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{ //track the number of times we've waited here
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static S32 waits = 0;
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waits++;
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}
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}
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#endif
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}
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};
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S32 LLVertexBuffer::sTypeSize[LLVertexBuffer::TYPE_MAX] =
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{
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sizeof(LLVector4), // TYPE_VERTEX,
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sizeof(LLVector4), // TYPE_NORMAL,
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sizeof(LLVector2), // TYPE_TEXCOORD0,
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sizeof(LLVector2), // TYPE_TEXCOORD1,
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sizeof(LLVector2), // TYPE_TEXCOORD2,
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sizeof(LLVector2), // TYPE_TEXCOORD3,
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sizeof(LLColor4U), // TYPE_COLOR,
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sizeof(LLVector4), // TYPE_BINORMAL,
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sizeof(F32), // TYPE_WEIGHT,
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sizeof(LLVector4), // TYPE_WEIGHT4,
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sizeof(LLVector4), // TYPE_CLOTHWEIGHT,
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};
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U32 LLVertexBuffer::sGLMode[LLRender::NUM_MODES] =
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{
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GL_TRIANGLES,
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GL_TRIANGLE_STRIP,
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GL_TRIANGLE_FAN,
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GL_POINTS,
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GL_LINES,
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GL_LINE_STRIP,
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GL_QUADS,
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GL_LINE_LOOP,
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};
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//static
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void LLVertexBuffer::setupClientArrays(U32 data_mask)
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{
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/*if (LLGLImmediate::sStarted)
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{
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llerrs << "Cannot use LLGLImmediate and LLVertexBuffer simultaneously!" << llendl;
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}*/
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if (sLastMask != data_mask)
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{
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U32 mask[] =
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{
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MAP_VERTEX,
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MAP_NORMAL,
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MAP_TEXCOORD0,
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MAP_COLOR,
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};
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GLenum array[] =
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{
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GL_VERTEX_ARRAY,
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GL_NORMAL_ARRAY,
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GL_TEXTURE_COORD_ARRAY,
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GL_COLOR_ARRAY,
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};
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BOOL error = FALSE;
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for (U32 i = 0; i < 4; ++i)
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{
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if (sLastMask & mask[i])
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{ //was enabled
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if (!(data_mask & mask[i]) && i > 0)
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{ //needs to be disabled
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glDisableClientState(array[i]);
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}
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else if (gDebugGL)
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{ //needs to be enabled, make sure it was (DEBUG TEMPORARY)
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if (i > 0 && !glIsEnabled(array[i]))
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{
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if (gDebugSession)
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{
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error = TRUE;
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gFailLog << "Bad client state! " << array[i] << " disabled." << std::endl;
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}
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else
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{
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llerrs << "Bad client state! " << array[i] << " disabled." << llendl;
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}
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}
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}
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}
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else
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{ //was disabled
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if (data_mask & mask[i] && i > 0)
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{ //needs to be enabled
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glEnableClientState(array[i]);
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}
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else if (gDebugGL && i > 0 && glIsEnabled(array[i]))
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{ //needs to be disabled, make sure it was (DEBUG TEMPORARY)
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if (gDebugSession)
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{
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error = TRUE;
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gFailLog << "Bad client state! " << array[i] << " enabled." << std::endl;
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}
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else
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{
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llerrs << "Bad client state! " << array[i] << " enabled." << llendl;
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}
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}
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}
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}
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if (error)
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{
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ll_fail("LLVertexBuffer::setupClientArrays failed");
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}
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U32 map_tc[] =
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{
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MAP_TEXCOORD1,
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MAP_TEXCOORD2,
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MAP_TEXCOORD3
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};
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for (U32 i = 0; i < 3; i++)
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{
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if (sLastMask & map_tc[i])
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{
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if (!(data_mask & map_tc[i]))
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{
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glClientActiveTextureARB(GL_TEXTURE1_ARB+i);
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glClientActiveTextureARB(GL_TEXTURE0_ARB);
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}
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}
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else if (data_mask & map_tc[i])
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{
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glClientActiveTextureARB(GL_TEXTURE1_ARB+i);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glClientActiveTextureARB(GL_TEXTURE0_ARB);
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}
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}
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if (sLastMask & MAP_BINORMAL)
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{
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if (!(data_mask & MAP_BINORMAL))
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{
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glClientActiveTextureARB(GL_TEXTURE2_ARB);
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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glClientActiveTextureARB(GL_TEXTURE0_ARB);
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}
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}
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else if (data_mask & MAP_BINORMAL)
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{
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glClientActiveTextureARB(GL_TEXTURE2_ARB);
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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glClientActiveTextureARB(GL_TEXTURE0_ARB);
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}
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if (sLastMask & MAP_WEIGHT4)
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{
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if (sWeight4Loc < 0)
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{
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llerrs << "Weighting disabled but vertex buffer still bound!" << llendl;
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}
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if (!(data_mask & MAP_WEIGHT4))
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{ //disable 4-component skin weight
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glDisableVertexAttribArrayARB(sWeight4Loc);
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}
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}
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else if (data_mask & MAP_WEIGHT4)
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{
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if (sWeight4Loc >= 0)
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{ //enable 4-component skin weight
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glEnableVertexAttribArrayARB(sWeight4Loc);
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}
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}
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sLastMask = data_mask;
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}
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}
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//static
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void LLVertexBuffer::drawArrays(U32 mode, const std::vector<LLVector3>& pos, const std::vector<LLVector3>& norm)
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{
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U32 count = pos.size();
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llassert_always(norm.size() >= pos.size());
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llassert_always(count > 0) ;
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unbind();
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setupClientArrays(MAP_VERTEX | MAP_NORMAL);
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glVertexPointer(3, GL_FLOAT, 0, pos[0].mV);
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glNormalPointer(GL_FLOAT, 0, norm[0].mV);
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glDrawArrays(sGLMode[mode], 0, count);
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}
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void LLVertexBuffer::validateRange(U32 start, U32 end, U32 count, U32 indices_offset) const
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{
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if (start >= (U32) mRequestedNumVerts ||
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end >= (U32) mRequestedNumVerts)
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{
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llerrs << "Bad vertex buffer draw range: [" << start << ", " << end << "] vs " << mRequestedNumVerts << llendl;
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}
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llassert(mRequestedNumIndices >= 0);
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if (indices_offset >= (U32) mRequestedNumIndices ||
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indices_offset + count > (U32) mRequestedNumIndices)
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{
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llerrs << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << llendl;
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}
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if (gDebugGL && !useVBOs())
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{
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U16* idx = ((U16*) getIndicesPointer())+indices_offset;
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for (U32 i = 0; i < count; ++i)
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{
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if (idx[i] < start || idx[i] > end)
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{
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llerrs << "Index out of range: " << idx[i] << " not in [" << start << ", " << end << "]" << llendl;
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}
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}
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}
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}
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void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
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{
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validateRange(start, end, count, indices_offset);
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llassert(mRequestedNumVerts >= 0);
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if (mGLIndices != sGLRenderIndices)
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{
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llerrs << "Wrong index buffer bound." << llendl;
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}
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if (mGLBuffer != sGLRenderBuffer)
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{
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llerrs << "Wrong vertex buffer bound." << llendl;
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}
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if (mode >= LLRender::NUM_MODES)
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{
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llerrs << "Invalid draw mode: " << mode << llendl;
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return;
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}
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U16* idx = ((U16*) getIndicesPointer())+indices_offset;
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stop_glerror();
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glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
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idx);
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stop_glerror();
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placeFence();
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}
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void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
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{
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llassert(mRequestedNumIndices >= 0);
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if (indices_offset >= (U32) mRequestedNumIndices ||
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indices_offset + count > (U32) mRequestedNumIndices)
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{
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llerrs << "Bad index buffer draw range: [" << indices_offset << ", " << indices_offset+count << "]" << llendl;
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}
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if (mGLIndices != sGLRenderIndices)
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{
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llerrs << "Wrong index buffer bound." << llendl;
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}
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if (mGLBuffer != sGLRenderBuffer)
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{
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llerrs << "Wrong vertex buffer bound." << llendl;
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}
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if (mode >= LLRender::NUM_MODES)
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{
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llerrs << "Invalid draw mode: " << mode << llendl;
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return;
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}
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stop_glerror();
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glDrawElements(sGLMode[mode], count, GL_UNSIGNED_SHORT,
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((U16*) getIndicesPointer()) + indices_offset);
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stop_glerror();
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placeFence();
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}
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void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
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{
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llassert(mRequestedNumVerts >= 0);
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if (first >= (U32) mRequestedNumVerts ||
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first + count > (U32) mRequestedNumVerts)
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{
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llerrs << "Bad vertex buffer draw range: [" << first << ", " << first+count << "]" << llendl;
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}
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if (mGLBuffer != sGLRenderBuffer || useVBOs() != sVBOActive)
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{
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llerrs << "Wrong vertex buffer bound." << llendl;
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}
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if (mode >= LLRender::NUM_MODES)
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{
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llerrs << "Invalid draw mode: " << mode << llendl;
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return;
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}
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stop_glerror();
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glDrawArrays(sGLMode[mode], first, count);
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stop_glerror();
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placeFence();
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}
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//static
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void LLVertexBuffer::initClass(bool use_vbo, bool no_vbo_mapping)
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{
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sEnableVBOs = use_vbo && gGLManager.mHasVertexBufferObject ;
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if(sEnableVBOs)
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{
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//llassert_always(glBindBufferARB) ; //double check the extention for VBO is loaded.
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llinfos << "VBO is enabled." << llendl ;
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}
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else
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{
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llinfos << "VBO is disabled." << llendl ;
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}
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sDisableVBOMapping = sEnableVBOs && no_vbo_mapping ;
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if(!sPrivatePoolp)
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{
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sPrivatePoolp = LLPrivateMemoryPoolManager::getInstance()->newPool(LLPrivateMemoryPool::STATIC) ;
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}
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}
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//static
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void LLVertexBuffer::unbind()
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{
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if (sVBOActive)
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{
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glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
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sVBOActive = FALSE;
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}
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if (sIBOActive)
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{
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glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
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sIBOActive = FALSE;
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}
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sGLRenderBuffer = 0;
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sGLRenderIndices = 0;
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setupClientArrays(0);
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}
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//static
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void LLVertexBuffer::cleanupClass()
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{
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LLMemType mt2(LLMemType::MTYPE_VERTEX_CLEANUP_CLASS);
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unbind();
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clientCopy(); // deletes GL buffers
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if(sPrivatePoolp)
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{
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LLPrivateMemoryPoolManager::getInstance()->deletePool(sPrivatePoolp) ;
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sPrivatePoolp = NULL ;
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}
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}
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void LLVertexBuffer::clientCopy(F64 max_time)
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{
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if (!sDeleteList.empty())
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{
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glDeleteBuffersARB(sDeleteList.size(), (GLuint*) &(sDeleteList[0]));
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sDeleteList.clear();
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}
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}
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//----------------------------------------------------------------------------
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LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) :
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LLRefCount(),
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mNumVerts(0),
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mNumIndices(0),
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mRequestedNumVerts(-1),
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mRequestedNumIndices(-1),
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mUsage(usage),
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mGLBuffer(0),
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mGLIndices(0),
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mMappedData(NULL),
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mMappedIndexData(NULL),
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mVertexLocked(FALSE),
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mIndexLocked(FALSE),
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mFinal(FALSE),
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mFilthy(FALSE),
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mEmpty(TRUE),
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mResized(FALSE),
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mDynamicSize(FALSE),
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mFence(NULL)
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{
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LLMemType mt2(LLMemType::MTYPE_VERTEX_CONSTRUCTOR);
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mFence = NULL;
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if (!sEnableVBOs)
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{
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mUsage = 0 ;
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}
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if (mUsage == GL_STREAM_DRAW_ARB && !sUseStreamDraw)
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{
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mUsage = 0;
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}
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if (mUsage == GL_DYNAMIC_DRAW_ARB && sPreferStreamDraw)
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{
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mUsage = GL_STREAM_DRAW_ARB;
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}
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|
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//zero out offsets
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for (U32 i = 0; i < TYPE_MAX; i++)
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{
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mOffsets[i] = 0;
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}
|
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mTypeMask = typemask;
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mSize = 0;
|
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mAlignedOffset = 0;
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mAlignedIndexOffset = 0;
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sCount++;
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}
|
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|
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//static
|
|
S32 LLVertexBuffer::calcOffsets(const U32& typemask, S32* offsets, S32 num_vertices)
|
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{
|
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S32 offset = 0;
|
|
for (S32 i=0; i<TYPE_MAX; i++)
|
|
{
|
|
U32 mask = 1<<i;
|
|
if (typemask & mask)
|
|
{
|
|
if (offsets)
|
|
{
|
|
offsets[i] = offset;
|
|
offset += LLVertexBuffer::sTypeSize[i]*num_vertices;
|
|
offset = (offset + 0xF) & ~0xF;
|
|
}
|
|
}
|
|
}
|
|
|
|
return offset+16;
|
|
}
|
|
|
|
//static
|
|
S32 LLVertexBuffer::calcVertexSize(const U32& typemask)
|
|
{
|
|
S32 size = 0;
|
|
for (S32 i = 0; i < TYPE_MAX; i++)
|
|
{
|
|
U32 mask = 1<<i;
|
|
if (typemask & mask)
|
|
{
|
|
size += LLVertexBuffer::sTypeSize[i];
|
|
}
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
S32 LLVertexBuffer::getSize() const
|
|
{
|
|
return mSize;
|
|
}
|
|
|
|
// protected, use unref()
|
|
//virtual
|
|
LLVertexBuffer::~LLVertexBuffer()
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTRUCTOR);
|
|
destroyGLBuffer();
|
|
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()
|
|
{
|
|
if (mUsage == GL_STREAM_DRAW_ARB)
|
|
{
|
|
mGLBuffer = sStreamVBOPool.allocate();
|
|
}
|
|
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
|
|
{
|
|
mGLBuffer = sDynamicVBOPool.allocate();
|
|
}
|
|
else
|
|
{
|
|
BOOST_STATIC_ASSERT(sizeof(mGLBuffer) == sizeof(GLuint));
|
|
glGenBuffersARB(1, (GLuint*)&mGLBuffer);
|
|
}
|
|
sGLCount++;
|
|
}
|
|
|
|
void LLVertexBuffer::genIndices()
|
|
{
|
|
if (mUsage == GL_STREAM_DRAW_ARB)
|
|
{
|
|
mGLIndices = sStreamIBOPool.allocate();
|
|
}
|
|
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
|
|
{
|
|
mGLIndices = sDynamicIBOPool.allocate();
|
|
}
|
|
else
|
|
{
|
|
BOOST_STATIC_ASSERT(sizeof(mGLBuffer) == sizeof(GLuint));
|
|
glGenBuffersARB(1, (GLuint*)&mGLIndices);
|
|
}
|
|
sGLCount++;
|
|
}
|
|
|
|
void LLVertexBuffer::releaseBuffer()
|
|
{
|
|
if (mUsage == GL_STREAM_DRAW_ARB)
|
|
{
|
|
sStreamVBOPool.release(mGLBuffer);
|
|
}
|
|
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
|
|
{
|
|
sDynamicVBOPool.release(mGLBuffer);
|
|
}
|
|
else
|
|
{
|
|
sDeleteList.push_back(mGLBuffer);
|
|
}
|
|
sGLCount--;
|
|
}
|
|
|
|
void LLVertexBuffer::releaseIndices()
|
|
{
|
|
if (mUsage == GL_STREAM_DRAW_ARB)
|
|
{
|
|
sStreamIBOPool.release(mGLIndices);
|
|
}
|
|
else if (mUsage == GL_DYNAMIC_DRAW_ARB)
|
|
{
|
|
sDynamicIBOPool.release(mGLIndices);
|
|
}
|
|
else
|
|
{
|
|
sDeleteList.push_back(mGLIndices);
|
|
}
|
|
sGLCount--;
|
|
}
|
|
|
|
void LLVertexBuffer::createGLBuffer()
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_VERTICES);
|
|
|
|
U32 size = getSize();
|
|
if (mGLBuffer)
|
|
{
|
|
destroyGLBuffer();
|
|
}
|
|
|
|
if (size == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
mEmpty = TRUE;
|
|
|
|
if (useVBOs())
|
|
{
|
|
mMappedData = NULL;
|
|
genBuffer();
|
|
mResized = TRUE;
|
|
}
|
|
else
|
|
{
|
|
static int gl_buffer_idx = 0;
|
|
mGLBuffer = ++gl_buffer_idx;
|
|
mMappedData = (U8*)ALLOCATE_MEM(sPrivatePoolp, size);
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::createGLIndices()
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_CREATE_INDICES);
|
|
U32 size = getIndicesSize();
|
|
|
|
if (mGLIndices)
|
|
{
|
|
destroyGLIndices();
|
|
}
|
|
|
|
if (size == 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
mEmpty = TRUE;
|
|
|
|
//pad by 16 bytes for aligned copies
|
|
size += 16;
|
|
|
|
if (useVBOs())
|
|
{
|
|
//pad by another 16 bytes for VBO pointer adjustment
|
|
size += 16;
|
|
mMappedIndexData = NULL;
|
|
genIndices();
|
|
mResized = TRUE;
|
|
}
|
|
else
|
|
{
|
|
mMappedIndexData = (U8*)ALLOCATE_MEM(sPrivatePoolp, size);
|
|
static int gl_buffer_idx = 0;
|
|
mGLIndices = ++gl_buffer_idx;
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::destroyGLBuffer()
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_BUFFER);
|
|
if (mGLBuffer)
|
|
{
|
|
if (useVBOs())
|
|
{
|
|
freeClientBuffer() ;
|
|
|
|
if (mMappedData || mMappedIndexData)
|
|
{
|
|
llerrs << "Vertex buffer destroyed while mapped!" << llendl;
|
|
}
|
|
releaseBuffer();
|
|
}
|
|
else
|
|
{
|
|
FREE_MEM(sPrivatePoolp, mMappedData) ;
|
|
mMappedData = NULL;
|
|
mEmpty = TRUE;
|
|
}
|
|
|
|
sAllocatedBytes -= getSize();
|
|
}
|
|
|
|
mGLBuffer = 0;
|
|
//unbind();
|
|
}
|
|
|
|
void LLVertexBuffer::destroyGLIndices()
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_DESTROY_INDICES);
|
|
if (mGLIndices)
|
|
{
|
|
if (useVBOs())
|
|
{
|
|
freeClientBuffer() ;
|
|
|
|
if (mMappedData || mMappedIndexData)
|
|
{
|
|
llerrs << "Vertex buffer destroyed while mapped." << llendl;
|
|
}
|
|
releaseIndices();
|
|
}
|
|
else
|
|
{
|
|
FREE_MEM(sPrivatePoolp, mMappedIndexData) ;
|
|
mMappedIndexData = NULL;
|
|
mEmpty = TRUE;
|
|
}
|
|
|
|
sAllocatedBytes -= getIndicesSize();
|
|
}
|
|
|
|
mGLIndices = 0;
|
|
//unbind();
|
|
}
|
|
|
|
void LLVertexBuffer::updateNumVerts(S32 nverts)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_VERTS);
|
|
|
|
llassert(nverts >= 0);
|
|
|
|
if (nverts >= 65535)
|
|
{
|
|
llwarns << "Vertex buffer overflow!" << llendl;
|
|
nverts = 65535;
|
|
}
|
|
|
|
mRequestedNumVerts = nverts;
|
|
|
|
if (!mDynamicSize)
|
|
{
|
|
mNumVerts = nverts;
|
|
}
|
|
else if (mUsage == GL_STATIC_DRAW_ARB ||
|
|
nverts > mNumVerts ||
|
|
nverts < mNumVerts/2)
|
|
{
|
|
if (mUsage != GL_STATIC_DRAW_ARB && nverts + nverts/4 <= 65535)
|
|
{
|
|
nverts += nverts/4;
|
|
}
|
|
mNumVerts = nverts;
|
|
}
|
|
mSize = calcOffsets(mTypeMask, mOffsets, mNumVerts);
|
|
}
|
|
|
|
void LLVertexBuffer::updateNumIndices(S32 nindices)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_UPDATE_INDICES);
|
|
|
|
llassert(nindices >= 0);
|
|
|
|
mRequestedNumIndices = nindices;
|
|
if (!mDynamicSize)
|
|
{
|
|
mNumIndices = nindices;
|
|
}
|
|
else if (mUsage == GL_STATIC_DRAW_ARB ||
|
|
nindices > mNumIndices ||
|
|
nindices < mNumIndices/2)
|
|
{
|
|
if (mUsage != GL_STATIC_DRAW_ARB)
|
|
{
|
|
nindices += nindices/4;
|
|
}
|
|
|
|
mNumIndices = nindices;
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_ALLOCATE_BUFFER);
|
|
|
|
if (nverts < 0 || nindices < 0 ||
|
|
nverts > 65536)
|
|
{
|
|
llerrs << "Bad vertex buffer allocation: " << nverts << " : " << nindices << llendl;
|
|
}
|
|
|
|
updateNumVerts(nverts);
|
|
updateNumIndices(nindices);
|
|
|
|
if (mMappedData)
|
|
{
|
|
llerrs << "LLVertexBuffer::allocateBuffer() called redundantly." << llendl;
|
|
}
|
|
if (create && (nverts || nindices))
|
|
{
|
|
createGLBuffer();
|
|
createGLIndices();
|
|
}
|
|
|
|
sAllocatedBytes += getSize() + getIndicesSize();
|
|
}
|
|
|
|
void LLVertexBuffer::resizeBuffer(S32 newnverts, S32 newnindices)
|
|
{
|
|
llassert(newnverts >= 0);
|
|
llassert(newnindices >= 0);
|
|
|
|
mRequestedNumVerts = newnverts;
|
|
mRequestedNumIndices = newnindices;
|
|
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_RESIZE_BUFFER);
|
|
mDynamicSize = TRUE;
|
|
if (mUsage == GL_STATIC_DRAW_ARB)
|
|
{ //always delete/allocate static buffers on resize
|
|
destroyGLBuffer();
|
|
destroyGLIndices();
|
|
allocateBuffer(newnverts, newnindices, TRUE);
|
|
mFinal = FALSE;
|
|
}
|
|
else if (newnverts > mNumVerts || newnindices > mNumIndices ||
|
|
newnverts < mNumVerts/2 || newnindices < mNumIndices/2)
|
|
{
|
|
sAllocatedBytes -= getSize() + getIndicesSize();
|
|
|
|
updateNumVerts(newnverts);
|
|
updateNumIndices(newnindices);
|
|
|
|
S32 newsize = getSize();
|
|
S32 new_index_size = getIndicesSize();
|
|
|
|
sAllocatedBytes += newsize + new_index_size;
|
|
|
|
if (newsize)
|
|
{
|
|
if (!mGLBuffer)
|
|
{ //no buffer exists, create a new one
|
|
createGLBuffer();
|
|
}
|
|
else
|
|
{
|
|
if (!useVBOs())
|
|
{
|
|
FREE_MEM(sPrivatePoolp, mMappedData);
|
|
mMappedData = (U8*)ALLOCATE_MEM(sPrivatePoolp, newsize);
|
|
}
|
|
mResized = TRUE;
|
|
}
|
|
}
|
|
else if (mGLBuffer)
|
|
{
|
|
destroyGLBuffer();
|
|
}
|
|
|
|
if (new_index_size)
|
|
{
|
|
if (!mGLIndices)
|
|
{
|
|
createGLIndices();
|
|
}
|
|
else
|
|
{
|
|
if (!useVBOs())
|
|
{
|
|
FREE_MEM(sPrivatePoolp, mMappedIndexData) ;
|
|
mMappedIndexData = (U8*)ALLOCATE_MEM(sPrivatePoolp, new_index_size);
|
|
}
|
|
mResized = TRUE;
|
|
}
|
|
}
|
|
else if (mGLIndices)
|
|
{
|
|
destroyGLIndices();
|
|
}
|
|
}
|
|
|
|
if (mResized && useVBOs())
|
|
{
|
|
freeClientBuffer() ;
|
|
setBuffer(0);
|
|
}
|
|
}
|
|
|
|
BOOL LLVertexBuffer::useVBOs() const
|
|
{
|
|
//it's generally ineffective to use VBO for things that are streaming on apple
|
|
|
|
if (!mUsage)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void LLVertexBuffer::freeClientBuffer()
|
|
{
|
|
if(useVBOs() && sDisableVBOMapping && (mMappedData || mMappedIndexData))
|
|
{
|
|
FREE_MEM(sPrivatePoolp, mMappedData) ;
|
|
FREE_MEM(sPrivatePoolp, mMappedIndexData) ;
|
|
mMappedData = NULL ;
|
|
mMappedIndexData = NULL ;
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::allocateClientVertexBuffer()
|
|
{
|
|
if(!mMappedData)
|
|
{
|
|
mMappedData = (U8*)ALLOCATE_MEM(sPrivatePoolp, getSize());
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::allocateClientIndexBuffer()
|
|
{
|
|
if(!mMappedIndexData)
|
|
{
|
|
mMappedIndexData = (U8*)ALLOCATE_MEM(sPrivatePoolp, getIndicesSize());
|
|
}
|
|
}
|
|
|
|
bool expand_region(LLVertexBuffer::MappedRegion& region, S32 index, S32 count)
|
|
{
|
|
S32 end = index+count;
|
|
S32 region_end = region.mIndex+region.mCount;
|
|
|
|
if (end < region.mIndex ||
|
|
index > region_end)
|
|
{ //gap exists, do not merge
|
|
return false;
|
|
}
|
|
|
|
S32 new_end = llmax(end, region_end);
|
|
S32 new_index = llmin(index, region.mIndex);
|
|
region.mIndex = new_index;
|
|
region.mCount = new_end-new_index;
|
|
return true;
|
|
}
|
|
|
|
// Map for data access
|
|
U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
|
|
if (mFinal)
|
|
{
|
|
llerrs << "LLVertexBuffer::mapVeretxBuffer() called on a finalized buffer." << llendl;
|
|
}
|
|
if (!useVBOs() && !mMappedData && !mMappedIndexData)
|
|
{
|
|
llerrs << "LLVertexBuffer::mapVertexBuffer() called on unallocated buffer." << llendl;
|
|
}
|
|
|
|
if (useVBOs())
|
|
{
|
|
if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
|
|
{
|
|
if (count == -1)
|
|
{
|
|
count = mNumVerts-index;
|
|
}
|
|
|
|
bool mapped = false;
|
|
//see if range is already mapped
|
|
for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
|
|
{
|
|
MappedRegion& region = mMappedVertexRegions[i];
|
|
if (region.mType == type)
|
|
{
|
|
if (expand_region(region, index, count))
|
|
{
|
|
mapped = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!mapped)
|
|
{
|
|
//not already mapped, map new region
|
|
MappedRegion region(type, !sDisableVBOMapping && map_range ? -1 : index, count);
|
|
mMappedVertexRegions.push_back(region);
|
|
}
|
|
}
|
|
|
|
if (mVertexLocked && map_range)
|
|
{
|
|
llerrs << "Attempted to map a specific range of a buffer that was already mapped." << llendl;
|
|
}
|
|
|
|
if (!mVertexLocked)
|
|
{
|
|
LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_VERTICES);
|
|
setBuffer(0, type);
|
|
mVertexLocked = TRUE;
|
|
sMappedCount++;
|
|
stop_glerror();
|
|
|
|
if(sDisableVBOMapping)
|
|
{
|
|
map_range = false;
|
|
allocateClientVertexBuffer() ;
|
|
}
|
|
else
|
|
{
|
|
U8* src = NULL;
|
|
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);
|
|
#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);
|
|
#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
|
|
{
|
|
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;
|
|
|
|
stop_glerror();
|
|
}
|
|
|
|
if (!mMappedData)
|
|
{
|
|
log_glerror();
|
|
|
|
//check the availability of memory
|
|
LLMemory::logMemoryInfo(TRUE) ;
|
|
|
|
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)
|
|
{
|
|
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
|
|
}
|
|
|
|
|
|
llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "memory allocation for vertex data failed." << llendl ;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
map_range = false;
|
|
}
|
|
|
|
if (map_range && gGLManager.mHasMapBufferRange && !sDisableVBOMapping)
|
|
{
|
|
return mMappedData;
|
|
}
|
|
else
|
|
{
|
|
return mMappedData+mOffsets[type]+sTypeSize[type]*index;
|
|
}
|
|
}
|
|
|
|
U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
|
|
if (mFinal)
|
|
{
|
|
llerrs << "LLVertexBuffer::mapIndexBuffer() called on a finalized buffer." << llendl;
|
|
}
|
|
if (!useVBOs() && !mMappedData && !mMappedIndexData)
|
|
{
|
|
llerrs << "LLVertexBuffer::mapIndexBuffer() called on unallocated buffer." << llendl;
|
|
}
|
|
|
|
if (useVBOs())
|
|
{
|
|
if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
|
|
{
|
|
if (count == -1)
|
|
{
|
|
count = mNumIndices-index;
|
|
}
|
|
|
|
bool mapped = false;
|
|
//see if range is already mapped
|
|
for (U32 i = 0; i < mMappedIndexRegions.size(); ++i)
|
|
{
|
|
MappedRegion& region = mMappedIndexRegions[i];
|
|
if (expand_region(region, index, count))
|
|
{
|
|
mapped = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!mapped)
|
|
{
|
|
//not already mapped, map new region
|
|
MappedRegion region(TYPE_INDEX, !sDisableVBOMapping && map_range ? -1 : index, count);
|
|
mMappedIndexRegions.push_back(region);
|
|
}
|
|
}
|
|
|
|
if (mIndexLocked && map_range)
|
|
{
|
|
llerrs << "Attempted to map a specific range of a buffer that was already mapped." << llendl;
|
|
}
|
|
|
|
if (!mIndexLocked)
|
|
{
|
|
LLMemType mt_v(LLMemType::MTYPE_VERTEX_MAP_BUFFER_INDICES);
|
|
|
|
setBuffer(0, TYPE_INDEX);
|
|
mIndexLocked = TRUE;
|
|
sMappedCount++;
|
|
stop_glerror();
|
|
|
|
if(sDisableVBOMapping)
|
|
{
|
|
map_range = false;
|
|
allocateClientIndexBuffer() ;
|
|
}
|
|
else
|
|
{
|
|
U8* src = NULL;
|
|
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);
|
|
#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*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
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();
|
|
}
|
|
}
|
|
|
|
if (!mMappedIndexData)
|
|
{
|
|
log_glerror();
|
|
LLMemory::logMemoryInfo(TRUE) ;
|
|
|
|
if(!sDisableVBOMapping)
|
|
{
|
|
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;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "memory allocation for Index data failed. " << llendl ;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
map_range = false;
|
|
}
|
|
|
|
if (map_range && gGLManager.mHasMapBufferRange && !sDisableVBOMapping)
|
|
{
|
|
return mMappedIndexData;
|
|
}
|
|
else
|
|
{
|
|
return mMappedIndexData + sizeof(U16)*index;
|
|
}
|
|
}
|
|
|
|
void LLVertexBuffer::unmapBuffer(S32 type)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_UNMAP_BUFFER);
|
|
if (!useVBOs() || type == -2)
|
|
{
|
|
return ; //nothing to unmap
|
|
}
|
|
|
|
bool updated_all = false ;
|
|
|
|
if (mMappedData && mVertexLocked && type != TYPE_INDEX)
|
|
{
|
|
updated_all = (mIndexLocked && type < 0) ; //both vertex and index buffers done updating
|
|
|
|
if(sDisableVBOMapping)
|
|
{
|
|
if (!mMappedVertexRegions.empty())
|
|
{
|
|
stop_glerror();
|
|
for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
|
|
{
|
|
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;
|
|
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, offset, length, mMappedData+offset);
|
|
stop_glerror();
|
|
}
|
|
|
|
mMappedVertexRegions.clear();
|
|
}
|
|
else
|
|
{
|
|
stop_glerror();
|
|
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, getSize(), mMappedData);
|
|
stop_glerror();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
|
|
{
|
|
if (!mMappedVertexRegions.empty())
|
|
{
|
|
stop_glerror();
|
|
for (U32 i = 0; i < mMappedVertexRegions.size(); ++i)
|
|
{
|
|
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;
|
|
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();
|
|
}
|
|
}
|
|
stop_glerror();
|
|
glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
|
|
stop_glerror();
|
|
|
|
mMappedData = NULL;
|
|
}
|
|
|
|
mVertexLocked = FALSE ;
|
|
sMappedCount--;
|
|
}
|
|
|
|
if (mMappedIndexData && mIndexLocked && (type < 0 || type == TYPE_INDEX))
|
|
{
|
|
if(sDisableVBOMapping)
|
|
{
|
|
if (!mMappedIndexRegions.empty())
|
|
{
|
|
for (U32 i = 0; i < mMappedIndexRegions.size(); ++i)
|
|
{
|
|
const MappedRegion& region = mMappedIndexRegions[i];
|
|
S32 offset = region.mIndex >= 0 ? sizeof(U16)*region.mIndex : 0;
|
|
S32 length = sizeof(U16)*region.mCount;
|
|
glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length, mMappedIndexData+offset);
|
|
stop_glerror();
|
|
}
|
|
|
|
mMappedIndexRegions.clear();
|
|
}
|
|
else
|
|
{
|
|
stop_glerror();
|
|
glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, getIndicesSize(), mMappedIndexData);
|
|
stop_glerror();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
|
|
{
|
|
if (!mMappedIndexRegions.empty())
|
|
{
|
|
for (U32 i = 0; i < mMappedIndexRegions.size(); ++i)
|
|
{
|
|
const MappedRegion& region = mMappedIndexRegions[i];
|
|
S32 offset = region.mIndex >= 0 ? sizeof(U16)*region.mIndex : 0;
|
|
S32 length = sizeof(U16)*region.mCount;
|
|
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();
|
|
}
|
|
}
|
|
stop_glerror();
|
|
glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
|
|
stop_glerror();
|
|
|
|
mMappedIndexData = NULL ;
|
|
}
|
|
|
|
mIndexLocked = FALSE ;
|
|
sMappedCount--;
|
|
}
|
|
|
|
if(updated_all)
|
|
{
|
|
if(mUsage == GL_STATIC_DRAW_ARB)
|
|
{
|
|
//static draw buffers can only be mapped a single time
|
|
//throw out client data (we won't be using it again)
|
|
mEmpty = TRUE;
|
|
mFinal = TRUE;
|
|
if(sDisableVBOMapping)
|
|
{
|
|
freeClientBuffer() ;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mEmpty = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
template <class T,S32 type> struct VertexBufferStrider
|
|
{
|
|
typedef LLStrider<T> strider_t;
|
|
static bool get(LLVertexBuffer& vbo,
|
|
strider_t& strider,
|
|
S32 index, S32 count, bool map_range)
|
|
{
|
|
if (type == LLVertexBuffer::TYPE_INDEX)
|
|
{
|
|
U8* ptr = vbo.mapIndexBuffer(index, count, map_range);
|
|
|
|
if (ptr == NULL)
|
|
{
|
|
llwarns << "mapIndexBuffer failed!" << llendl;
|
|
return FALSE;
|
|
}
|
|
|
|
strider = (T*)ptr;
|
|
strider.setStride(0);
|
|
return TRUE;
|
|
}
|
|
else if (vbo.hasDataType(type))
|
|
{
|
|
S32 stride = LLVertexBuffer::sTypeSize[type];
|
|
|
|
U8* ptr = vbo.mapVertexBuffer(type, index, count, map_range);
|
|
|
|
if (ptr == NULL)
|
|
{
|
|
llwarns << "mapVertexBuffer failed!" << llendl;
|
|
return FALSE;
|
|
}
|
|
|
|
strider = (T*)ptr;
|
|
strider.setStride(stride);
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "VertexBufferStrider could not find valid vertex data." << llendl;
|
|
}
|
|
return FALSE;
|
|
}
|
|
};
|
|
|
|
bool LLVertexBuffer::getVertexStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_VERTEX>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getIndexStrider(LLStrider<U16>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<U16,TYPE_INDEX>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD0>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD1>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
bool LLVertexBuffer::getNormalStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_NORMAL>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getBinormalStrider(LLStrider<LLVector3>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_BINORMAL>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getColorStrider(LLStrider<LLColor4U>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLColor4U,TYPE_COLOR>::get(*this, strider, index, count, map_range);
|
|
}
|
|
bool LLVertexBuffer::getWeightStrider(LLStrider<F32>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<F32,TYPE_WEIGHT>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
bool LLVertexBuffer::getWeight4Strider(LLStrider<LLVector4>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector4,TYPE_WEIGHT4>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
bool LLVertexBuffer::getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index, S32 count, bool map_range)
|
|
{
|
|
return VertexBufferStrider<LLVector4,TYPE_CLOTHWEIGHT>::get(*this, strider, index, count, map_range);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
// Set for rendering
|
|
void LLVertexBuffer::setBuffer(U32 data_mask, S32 type)
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_SET_BUFFER);
|
|
//set up pointers if the data mask is different ...
|
|
BOOL setup = (sLastMask != data_mask);
|
|
|
|
if (useVBOs())
|
|
{
|
|
if (mGLBuffer && (mGLBuffer != sGLRenderBuffer || !sVBOActive))
|
|
{
|
|
/*if (sMapped)
|
|
{
|
|
llerrs << "VBO bound while another VBO mapped!" << llendl;
|
|
}*/
|
|
stop_glerror();
|
|
glBindBufferARB(GL_ARRAY_BUFFER_ARB, mGLBuffer);
|
|
stop_glerror();
|
|
sBindCount++;
|
|
sVBOActive = TRUE;
|
|
setup = TRUE; // ... or the bound buffer changed
|
|
}
|
|
if (mGLIndices && (mGLIndices != sGLRenderIndices || !sIBOActive))
|
|
{
|
|
/*if (sMapped)
|
|
{
|
|
llerrs << "VBO bound while another VBO mapped!" << llendl;
|
|
}*/
|
|
stop_glerror();
|
|
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, mGLIndices);
|
|
stop_glerror();
|
|
sBindCount++;
|
|
sIBOActive = TRUE;
|
|
}
|
|
|
|
BOOL error = FALSE;
|
|
if (gDebugGL)
|
|
{
|
|
GLint buff;
|
|
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if ((GLuint)buff != mGLBuffer)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
error = TRUE;
|
|
gFailLog << "Invalid GL vertex buffer bound: " << buff << std::endl;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
|
|
}
|
|
}
|
|
|
|
if (mGLIndices)
|
|
{
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if ((GLuint)buff != mGLIndices)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
error = TRUE;
|
|
gFailLog << "Invalid GL index buffer bound: " << buff << std::endl;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mResized)
|
|
{
|
|
if (gDebugGL)
|
|
{
|
|
GLint buff;
|
|
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if ((GLuint)buff != mGLBuffer)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
error = TRUE;
|
|
gFailLog << "Invalid GL vertex buffer bound: " << std::endl;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
|
|
}
|
|
}
|
|
|
|
if (mGLIndices != 0)
|
|
{
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if ((GLuint)buff != mGLIndices)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
error = TRUE;
|
|
gFailLog << "Invalid GL index buffer bound: "<< std::endl;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mGLBuffer)
|
|
{
|
|
stop_glerror();
|
|
glBufferDataARB(GL_ARRAY_BUFFER_ARB, getSize(), NULL, mUsage);
|
|
stop_glerror();
|
|
}
|
|
if (mGLIndices)
|
|
{
|
|
stop_glerror();
|
|
glBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, getIndicesSize(), NULL, mUsage);
|
|
stop_glerror();
|
|
}
|
|
|
|
mEmpty = TRUE;
|
|
mResized = FALSE;
|
|
|
|
if (data_mask != 0)
|
|
{
|
|
if (gDebugSession)
|
|
{
|
|
error = TRUE;
|
|
gFailLog << "Buffer set for rendering before being filled after resize." << std::endl;
|
|
}
|
|
else
|
|
{
|
|
llerrs << "Buffer set for rendering before being filled after resize." << llendl;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (error)
|
|
{
|
|
ll_fail("LLVertexBuffer::mapBuffer failed");
|
|
}
|
|
unmapBuffer(type);
|
|
}
|
|
else
|
|
{
|
|
if (mGLBuffer)
|
|
{
|
|
if (sVBOActive)
|
|
{
|
|
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
|
|
sBindCount++;
|
|
sVBOActive = FALSE;
|
|
setup = TRUE; // ... or a VBO is deactivated
|
|
}
|
|
if (sGLRenderBuffer != mGLBuffer)
|
|
{
|
|
setup = TRUE; // ... or a client memory pointer changed
|
|
}
|
|
}
|
|
if (mGLIndices && sIBOActive)
|
|
{
|
|
/*if (sMapped)
|
|
{
|
|
llerrs << "VBO unbound while potentially mapped!" << llendl;
|
|
}*/
|
|
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
|
|
sBindCount++;
|
|
sIBOActive = FALSE;
|
|
}
|
|
}
|
|
|
|
setupClientArrays(data_mask);
|
|
|
|
if (mGLIndices)
|
|
{
|
|
sGLRenderIndices = mGLIndices;
|
|
}
|
|
if (mGLBuffer)
|
|
{
|
|
sGLRenderBuffer = mGLBuffer;
|
|
if (data_mask && setup)
|
|
{
|
|
setupVertexBuffer(data_mask); // subclass specific setup (virtual function)
|
|
sSetCount++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// virtual (default)
|
|
void LLVertexBuffer::setupVertexBuffer(U32 data_mask) const
|
|
{
|
|
LLMemType mt2(LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER);
|
|
stop_glerror();
|
|
U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
|
|
|
|
if ((data_mask & mTypeMask) != data_mask)
|
|
{
|
|
llerrs << "LLVertexBuffer::setupVertexBuffer missing required components for supplied data mask." << llendl;
|
|
}
|
|
|
|
if (data_mask & MAP_NORMAL)
|
|
{
|
|
glNormalPointer(GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_NORMAL], (void*)(base + mOffsets[TYPE_NORMAL]));
|
|
}
|
|
if (data_mask & MAP_TEXCOORD3)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE3_ARB);
|
|
glTexCoordPointer(2,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD3], (void*)(base + mOffsets[TYPE_TEXCOORD3]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD2)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE2_ARB);
|
|
glTexCoordPointer(2,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD2], (void*)(base + mOffsets[TYPE_TEXCOORD2]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD1)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE1_ARB);
|
|
glTexCoordPointer(2,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD1], (void*)(base + mOffsets[TYPE_TEXCOORD1]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_BINORMAL)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE2_ARB);
|
|
glTexCoordPointer(3,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_BINORMAL], (void*)(base + mOffsets[TYPE_BINORMAL]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD0)
|
|
{
|
|
glTexCoordPointer(2,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_TEXCOORD0], (void*)(base + mOffsets[TYPE_TEXCOORD0]));
|
|
}
|
|
if (data_mask & MAP_COLOR)
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, LLVertexBuffer::sTypeSize[TYPE_COLOR], (void*)(base + mOffsets[TYPE_COLOR]));
|
|
}
|
|
|
|
if (data_mask & MAP_WEIGHT)
|
|
{
|
|
glVertexAttribPointerARB(1, 1, GL_FLOAT, FALSE, LLVertexBuffer::sTypeSize[TYPE_WEIGHT], (void*)(base + mOffsets[TYPE_WEIGHT]));
|
|
}
|
|
|
|
if (data_mask & MAP_WEIGHT4 && sWeight4Loc != -1)
|
|
{
|
|
glVertexAttribPointerARB(sWeight4Loc, 4, GL_FLOAT, FALSE, LLVertexBuffer::sTypeSize[TYPE_WEIGHT4], (void*)(base+mOffsets[TYPE_WEIGHT4]));
|
|
}
|
|
|
|
if (data_mask & MAP_CLOTHWEIGHT)
|
|
{
|
|
glVertexAttribPointerARB(4, 4, GL_FLOAT, TRUE, LLVertexBuffer::sTypeSize[TYPE_CLOTHWEIGHT], (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]));
|
|
}
|
|
if (data_mask & MAP_VERTEX)
|
|
{
|
|
if (data_mask & MAP_TEXTURE_INDEX)
|
|
{
|
|
glVertexPointer(4,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_VERTEX], (void*)(base + 0));
|
|
}
|
|
else
|
|
{
|
|
glVertexPointer(3,GL_FLOAT, LLVertexBuffer::sTypeSize[TYPE_VERTEX], (void*)(base + 0));
|
|
}
|
|
}
|
|
|
|
llglassertok();
|
|
}
|
|
|