1196 lines
26 KiB
C++
1196 lines
26 KiB
C++
/**
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* @file llvertexbuffer.cpp
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* @brief LLVertexBuffer implementation
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*
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* $LicenseInfo:firstyear=2003&license=viewergpl$
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*
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* Copyright (c) 2003-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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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 "llvertexbuffer.h"
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// #include "llrender.h"
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#include "llglheaders.h"
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#include "llmemory.h"
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#include "llmemtype.h"
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#include "llrender.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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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::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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std::vector<U32> LLVertexBuffer::sDeleteList;
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S32 LLVertexBuffer::sTypeOffsets[LLVertexBuffer::TYPE_MAX] =
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{
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sizeof(LLVector3), // TYPE_VERTEX,
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sizeof(LLVector3), // 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(LLVector3), // TYPE_BINORMAL,
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sizeof(F32), // TYPE_WEIGHT,
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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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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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llerrs << "Bad client state! " << array[i] << " disabled." << llendl;
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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])
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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 && glIsEnabled(array[i]))
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{ //needs to be disabled, make sure it was (DEBUG TEMPORARY)
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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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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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sLastMask = data_mask;
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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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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 << "]" << llendl;
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}
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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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glDrawRangeElements(sGLMode[mode], start, end, count, GL_UNSIGNED_SHORT,
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((U16*) getIndicesPointer()) + indices_offset);
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stop_glerror();
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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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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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}
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void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
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{
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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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}
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//static
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void LLVertexBuffer::initClass(bool use_vbo)
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{
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sEnableVBOs = use_vbo;
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LLGLNamePool::registerPool(&sDynamicVBOPool);
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LLGLNamePool::registerPool(&sDynamicIBOPool);
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LLGLNamePool::registerPool(&sStreamVBOPool);
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LLGLNamePool::registerPool(&sStreamIBOPool);
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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 mt(LLMemType::MTYPE_VERTEX_DATA);
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unbind();
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clientCopy(); // deletes GL buffers
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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), mNumIndices(0), mUsage(usage), mGLBuffer(0), mGLIndices(0),
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mMappedData(NULL),
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mMappedIndexData(NULL), mLocked(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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{
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LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
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if (!sEnableVBOs)
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{
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mUsage = 0 ;
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}
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S32 stride = calcStride(typemask, mOffsets);
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mTypeMask = typemask;
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mStride = stride;
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sCount++;
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}
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//static
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S32 LLVertexBuffer::calcStride(const U32& typemask, S32* offsets)
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{
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S32 stride = 0;
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for (S32 i=0; i<TYPE_MAX; i++)
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{
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U32 mask = 1<<i;
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if (typemask & mask)
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{
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if (offsets)
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{
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offsets[i] = stride;
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}
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stride += sTypeOffsets[i];
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}
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}
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return stride;
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}
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// protected, use unref()
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//virtual
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LLVertexBuffer::~LLVertexBuffer()
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{
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LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
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destroyGLBuffer();
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destroyGLIndices();
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sCount--;
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};
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//----------------------------------------------------------------------------
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void LLVertexBuffer::genBuffer()
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{
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if (mUsage == GL_STREAM_DRAW_ARB)
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{
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mGLBuffer = sStreamVBOPool.allocate();
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}
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else if (mUsage == GL_DYNAMIC_DRAW_ARB)
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{
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mGLBuffer = sDynamicVBOPool.allocate();
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}
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else
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{
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BOOST_STATIC_ASSERT(sizeof(mGLBuffer) == sizeof(GLuint));
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glGenBuffersARB(1, (GLuint*)&mGLBuffer);
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}
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sGLCount++;
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}
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void LLVertexBuffer::genIndices()
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{
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if (mUsage == GL_STREAM_DRAW_ARB)
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{
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mGLIndices = sStreamIBOPool.allocate();
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}
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else if (mUsage == GL_DYNAMIC_DRAW_ARB)
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{
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mGLIndices = sDynamicIBOPool.allocate();
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}
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else
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{
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BOOST_STATIC_ASSERT(sizeof(mGLBuffer) == sizeof(GLuint));
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glGenBuffersARB(1, (GLuint*)&mGLIndices);
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}
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sGLCount++;
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}
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void LLVertexBuffer::releaseBuffer()
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{
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if (mUsage == GL_STREAM_DRAW_ARB)
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{
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sStreamVBOPool.release(mGLBuffer);
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}
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else if (mUsage == GL_DYNAMIC_DRAW_ARB)
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{
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sDynamicVBOPool.release(mGLBuffer);
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}
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else
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{
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sDeleteList.push_back(mGLBuffer);
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}
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sGLCount--;
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}
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void LLVertexBuffer::releaseIndices()
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{
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if (mUsage == GL_STREAM_DRAW_ARB)
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{
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sStreamIBOPool.release(mGLIndices);
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}
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else if (mUsage == GL_DYNAMIC_DRAW_ARB)
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{
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sDynamicIBOPool.release(mGLIndices);
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}
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else
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{
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sDeleteList.push_back(mGLIndices);
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}
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sGLCount--;
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}
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void LLVertexBuffer::createGLBuffer()
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{
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LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
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U32 size = getSize();
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if (mGLBuffer)
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{
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destroyGLBuffer();
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}
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if (size == 0)
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{
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return;
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}
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mEmpty = TRUE;
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if (useVBOs())
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{
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mMappedData = NULL;
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genBuffer();
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mResized = TRUE;
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}
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else
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{
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static int gl_buffer_idx = 0;
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mGLBuffer = ++gl_buffer_idx;
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mMappedData = new U8[size];
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memset(mMappedData, 0, size);
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}
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}
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void LLVertexBuffer::createGLIndices()
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{
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LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
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U32 size = getIndicesSize();
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if (mGLIndices)
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{
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destroyGLIndices();
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}
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if (size == 0)
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{
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return;
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}
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mEmpty = TRUE;
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if (useVBOs())
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{
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mMappedIndexData = NULL;
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genIndices();
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mResized = TRUE;
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}
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else
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{
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mMappedIndexData = new U8[size];
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memset(mMappedIndexData, 0, size);
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static int gl_buffer_idx = 0;
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mGLIndices = ++gl_buffer_idx;
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}
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}
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void LLVertexBuffer::destroyGLBuffer()
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{
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LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
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if (mGLBuffer)
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{
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if (useVBOs())
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{
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if (mMappedData || mMappedIndexData)
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{
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llerrs << "Vertex buffer destroyed while mapped!" << llendl;
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}
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releaseBuffer();
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}
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else
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{
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delete [] mMappedData;
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mMappedData = NULL;
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mEmpty = TRUE;
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}
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sAllocatedBytes -= getSize();
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}
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mGLBuffer = 0;
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unbind();
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}
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void LLVertexBuffer::destroyGLIndices()
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{
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LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
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if (mGLIndices)
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{
|
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if (useVBOs())
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{
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if (mMappedData || mMappedIndexData)
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{
|
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llerrs << "Vertex buffer destroyed while mapped." << llendl;
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}
|
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releaseIndices();
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}
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else
|
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{
|
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delete [] mMappedIndexData;
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mMappedIndexData = NULL;
|
|
mEmpty = TRUE;
|
|
}
|
|
|
|
sAllocatedBytes -= getIndicesSize();
|
|
}
|
|
|
|
mGLIndices = 0;
|
|
unbind();
|
|
}
|
|
|
|
void LLVertexBuffer::updateNumVerts(S32 nverts)
|
|
{
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
|
|
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;
|
|
}
|
|
|
|
}
|
|
|
|
void LLVertexBuffer::updateNumIndices(S32 nindices)
|
|
{
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
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 mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
|
|
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)
|
|
{
|
|
mRequestedNumVerts = newnverts;
|
|
mRequestedNumIndices = newnindices;
|
|
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
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();
|
|
|
|
S32 oldsize = getSize();
|
|
S32 old_index_size = 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
|
|
{
|
|
//delete old buffer, keep GL buffer for now
|
|
if (!useVBOs())
|
|
{
|
|
U8* old = mMappedData;
|
|
mMappedData = new U8[newsize];
|
|
if (old)
|
|
{
|
|
memcpy(mMappedData, old, llmin(newsize, oldsize));
|
|
if (newsize > oldsize)
|
|
{
|
|
memset(mMappedData+oldsize, 0, newsize-oldsize);
|
|
}
|
|
|
|
delete [] old;
|
|
}
|
|
else
|
|
{
|
|
memset(mMappedData, 0, newsize);
|
|
mEmpty = TRUE;
|
|
}
|
|
}
|
|
mResized = TRUE;
|
|
}
|
|
}
|
|
else if (mGLBuffer)
|
|
{
|
|
destroyGLBuffer();
|
|
}
|
|
|
|
if (new_index_size)
|
|
{
|
|
if (!mGLIndices)
|
|
{
|
|
createGLIndices();
|
|
}
|
|
else
|
|
{
|
|
if (!useVBOs())
|
|
{
|
|
//delete old buffer, keep GL buffer for now
|
|
U8* old = mMappedIndexData;
|
|
mMappedIndexData = new U8[new_index_size];
|
|
|
|
if (old)
|
|
{
|
|
memcpy(mMappedIndexData, old, llmin(new_index_size, old_index_size));
|
|
if (new_index_size > old_index_size)
|
|
{
|
|
memset(mMappedIndexData+old_index_size, 0, new_index_size - old_index_size);
|
|
}
|
|
delete [] old;
|
|
}
|
|
else
|
|
{
|
|
memset(mMappedIndexData, 0, new_index_size);
|
|
mEmpty = TRUE;
|
|
}
|
|
}
|
|
mResized = TRUE;
|
|
}
|
|
}
|
|
else if (mGLIndices)
|
|
{
|
|
destroyGLIndices();
|
|
}
|
|
}
|
|
|
|
if (mResized && useVBOs())
|
|
{
|
|
setBuffer(0);
|
|
}
|
|
}
|
|
|
|
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 sEnableVBOs;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
// Map for data access
|
|
U8* LLVertexBuffer::mapBuffer(S32 access)
|
|
{
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
if (mFinal)
|
|
{
|
|
llerrs << "LLVertexBuffer::mapBuffer() called on a finalized buffer." << llendl;
|
|
}
|
|
if (!useVBOs() && !mMappedData && !mMappedIndexData)
|
|
{
|
|
llerrs << "LLVertexBuffer::mapBuffer() called on unallocated buffer." << llendl;
|
|
}
|
|
|
|
if (!mLocked && useVBOs())
|
|
{
|
|
setBuffer(0);
|
|
mLocked = TRUE;
|
|
stop_glerror();
|
|
mMappedData = (U8*) glMapBufferARB(GL_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
|
|
stop_glerror();
|
|
mMappedIndexData = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
|
|
stop_glerror();
|
|
|
|
if (!mMappedData)
|
|
{
|
|
//--------------------
|
|
//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 (buff != mGLBuffer)
|
|
{
|
|
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
|
|
}
|
|
|
|
|
|
llerrs << "glMapBuffer returned NULL (no vertex data)" << llendl;
|
|
}
|
|
|
|
if (!mMappedIndexData)
|
|
{
|
|
GLint buff;
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if (buff != mGLIndices)
|
|
{
|
|
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
|
|
}
|
|
|
|
llerrs << "glMapBuffer returned NULL (no index data)" << llendl;
|
|
}
|
|
|
|
sMappedCount++;
|
|
}
|
|
|
|
return mMappedData;
|
|
}
|
|
|
|
void LLVertexBuffer::unmapBuffer()
|
|
{
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
if (mMappedData || mMappedIndexData)
|
|
{
|
|
if (useVBOs() && mLocked)
|
|
{
|
|
stop_glerror();
|
|
glUnmapBufferARB(GL_ARRAY_BUFFER_ARB);
|
|
stop_glerror();
|
|
glUnmapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB);
|
|
stop_glerror();
|
|
|
|
/*if (!sMapped)
|
|
{
|
|
llerrs << "Redundantly unmapped VBO!" << llendl;
|
|
}
|
|
sMapped = FALSE;*/
|
|
sMappedCount--;
|
|
|
|
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;
|
|
}
|
|
else
|
|
{
|
|
mEmpty = FALSE;
|
|
}
|
|
|
|
mMappedIndexData = NULL;
|
|
mMappedData = NULL;
|
|
|
|
mLocked = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
template <class T,S32 type> struct VertexBufferStrider
|
|
{
|
|
typedef LLStrider<T> strider_t;
|
|
static bool get(LLVertexBuffer& vbo,
|
|
strider_t& strider,
|
|
S32 index)
|
|
{
|
|
if (vbo.mapBuffer() == NULL)
|
|
{
|
|
llwarns << "mapBuffer failed!" << llendl;
|
|
return FALSE;
|
|
}
|
|
|
|
if (type == LLVertexBuffer::TYPE_INDEX)
|
|
{
|
|
S32 stride = sizeof(T);
|
|
strider = (T*)(vbo.getMappedIndices() + index*stride);
|
|
strider.setStride(0);
|
|
return TRUE;
|
|
}
|
|
else if (vbo.hasDataType(type))
|
|
{
|
|
S32 stride = vbo.getStride();
|
|
strider = (T*)(vbo.getMappedData() + vbo.getOffset(type) + index*stride);
|
|
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)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_VERTEX>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getIndexStrider(LLStrider<U16>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<U16,TYPE_INDEX>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord0Strider(LLStrider<LLVector2>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD0>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord1Strider(LLStrider<LLVector2>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD1>::get(*this, strider, index);
|
|
}
|
|
/*bool LLVertexBuffer::getTexCoord2Strider(LLStrider<LLVector2>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD2>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getTexCoord3Strider(LLStrider<LLVector2>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector2,TYPE_TEXCOORD3>::get(*this, strider, index);
|
|
}*/
|
|
bool LLVertexBuffer::getNormalStrider(LLStrider<LLVector3>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_NORMAL>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getBinormalStrider(LLStrider<LLVector3>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector3,TYPE_BINORMAL>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getColorStrider(LLStrider<LLColor4U>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLColor4U,TYPE_COLOR>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getWeightStrider(LLStrider<F32>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<F32,TYPE_WEIGHT>::get(*this, strider, index);
|
|
}
|
|
bool LLVertexBuffer::getClothWeightStrider(LLStrider<LLVector4>& strider, S32 index)
|
|
{
|
|
return VertexBufferStrider<LLVector4,TYPE_CLOTHWEIGHT>::get(*this, strider, index);
|
|
}
|
|
|
|
void LLVertexBuffer::setStride(S32 type, S32 new_stride)
|
|
{
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
if (mNumVerts)
|
|
{
|
|
llerrs << "LLVertexBuffer::setOffset called with mNumVerts = " << mNumVerts << llendl;
|
|
}
|
|
// This code assumes that setStride() will only be called once per VBO per type.
|
|
S32 delta = new_stride - sTypeOffsets[type];
|
|
for (S32 i=type+1; i<TYPE_MAX; i++)
|
|
{
|
|
if (mTypeMask & (1<<i))
|
|
{
|
|
mOffsets[i] += delta;
|
|
}
|
|
}
|
|
mStride += delta;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
// Set for rendering
|
|
void LLVertexBuffer::setBuffer(U32 data_mask)
|
|
{
|
|
LLMemType mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
//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;
|
|
}
|
|
|
|
if (gDebugGL)
|
|
{
|
|
GLint buff;
|
|
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if (buff != mGLBuffer)
|
|
{
|
|
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
|
|
}
|
|
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if (buff != mGLIndices)
|
|
{
|
|
llerrs << "Invalid GL index buffer bound: " << buff << llendl;
|
|
}
|
|
}
|
|
|
|
if (mResized)
|
|
{
|
|
if (gDebugGL)
|
|
{
|
|
GLint buff;
|
|
glGetIntegerv(GL_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if (buff != mGLBuffer)
|
|
{
|
|
llerrs << "Invalid GL vertex buffer bound: " << buff << llendl;
|
|
}
|
|
|
|
glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
|
|
if (buff != mGLIndices)
|
|
{
|
|
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)
|
|
{
|
|
llerrs << "Buffer set for rendering before being filled after resize." << llendl;
|
|
}
|
|
}
|
|
|
|
unmapBuffer();
|
|
}
|
|
else
|
|
{
|
|
if (mGLBuffer)
|
|
{
|
|
if (sEnableVBOs && 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 (sEnableVBOs && 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 mt(LLMemType::MTYPE_VERTEX_DATA);
|
|
stop_glerror();
|
|
U8* base = useVBOs() ? NULL : mMappedData;
|
|
S32 stride = mStride;
|
|
|
|
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, stride, (void*)(base + mOffsets[TYPE_NORMAL]));
|
|
}
|
|
if (data_mask & MAP_TEXCOORD3)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE3_ARB);
|
|
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD3]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD2)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE2_ARB);
|
|
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD2]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD1)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE1_ARB);
|
|
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD1]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_BINORMAL)
|
|
{
|
|
glClientActiveTextureARB(GL_TEXTURE2_ARB);
|
|
glTexCoordPointer(3,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_BINORMAL]));
|
|
glClientActiveTextureARB(GL_TEXTURE0_ARB);
|
|
}
|
|
if (data_mask & MAP_TEXCOORD0)
|
|
{
|
|
glTexCoordPointer(2,GL_FLOAT, stride, (void*)(base + mOffsets[TYPE_TEXCOORD0]));
|
|
}
|
|
if (data_mask & MAP_COLOR)
|
|
{
|
|
glColorPointer(4, GL_UNSIGNED_BYTE, stride, (void*)(base + mOffsets[TYPE_COLOR]));
|
|
}
|
|
|
|
if (data_mask & MAP_WEIGHT)
|
|
{
|
|
glVertexAttribPointerARB(1, 1, GL_FLOAT, FALSE, stride, (void*)(base + mOffsets[TYPE_WEIGHT]));
|
|
}
|
|
if (data_mask & MAP_CLOTHWEIGHT)
|
|
{
|
|
glVertexAttribPointerARB(4, 4, GL_FLOAT, TRUE, stride, (void*)(base + mOffsets[TYPE_CLOTHWEIGHT]));
|
|
}
|
|
if (data_mask & MAP_VERTEX)
|
|
{
|
|
glVertexPointer(3,GL_FLOAT, stride, (void*)(base + 0));
|
|
}
|
|
|
|
llglassertok();
|
|
}
|
|
|
|
void LLVertexBuffer::markDirty(U32 vert_index, U32 vert_count, U32 indices_index, U32 indices_count)
|
|
{
|
|
// TODO: use GL_APPLE_flush_buffer_range here
|
|
/*if (useVBOs() && !mFilthy)
|
|
{
|
|
|
|
}*/
|
|
}
|