diff options
Diffstat (limited to 'indra/llrender/llrender.cpp')
| -rw-r--r-- | indra/llrender/llrender.cpp | 416 |
1 files changed, 363 insertions, 53 deletions
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp index d3a230b37b..e26acd53a3 100644 --- a/indra/llrender/llrender.cpp +++ b/indra/llrender/llrender.cpp @@ -2,31 +2,25 @@ * @file llrender.cpp * @brief LLRender implementation * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -38,16 +32,21 @@ #include "llcubemap.h" #include "llimagegl.h" #include "llrendertarget.h" +#include "lltexture.h" LLRender gGL; // Handy copies of last good GL matrices F64 gGLModelView[16]; F64 gGLLastModelView[16]; +F64 gGLLastProjection[16]; F64 gGLProjection[16]; S32 gGLViewport[4]; -static const U32 LL_NUM_TEXTURE_LAYERS = 8; +U32 LLRender::sUICalls = 0; +U32 LLRender::sUIVerts = 0; + +static const U32 LL_NUM_TEXTURE_LAYERS = 16; static GLenum sGLTextureType[] = { @@ -88,7 +87,9 @@ static GLenum sGLBlendFactor[] = GL_DST_ALPHA, GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA, - GL_ONE_MINUS_SRC_ALPHA + GL_ONE_MINUS_SRC_ALPHA, + + GL_ZERO // 'BF_UNDEF' }; LLTexUnit::LLTexUnit(S32 index) @@ -114,6 +115,8 @@ void LLTexUnit::refreshState(void) // We set dirty to true so that the tex unit knows to ignore caching // and we reset the cached tex unit state + gGL.flush(); + glActiveTextureARB(GL_TEXTURE0_ARB + mIndex); if (mCurrTexType != TT_NONE) { @@ -143,6 +146,7 @@ void LLTexUnit::activate(void) if ((S32)gGL.mCurrTextureUnitIndex != mIndex || gGL.mDirty) { + gGL.flush(); glActiveTextureARB(GL_TEXTURE0_ARB + mIndex); gGL.mCurrTextureUnitIndex = mIndex; } @@ -160,6 +164,8 @@ void LLTexUnit::enable(eTextureType type) disable(); // Force a disable of a previous texture type if it's enabled. } mCurrTexType = type; + + gGL.flush(); glEnable(sGLTextureType[type]); } } @@ -172,40 +178,94 @@ void LLTexUnit::disable(void) { activate(); unbind(mCurrTexType); + gGL.flush(); glDisable(sGLTextureType[mCurrTexType]); mCurrTexType = TT_NONE; } } -bool LLTexUnit::bind(LLImageGL* texture, bool forceBind) +bool LLTexUnit::bind(LLTexture* texture, bool for_rendering, bool forceBind) { stop_glerror(); if (mIndex < 0) return false; gGL.flush(); - if (texture == NULL) + LLImageGL* gl_tex = NULL ; + if (texture == NULL || !(gl_tex = texture->getGLTexture())) { llwarns << "NULL LLTexUnit::bind texture" << llendl; return false; } - if (!texture->getTexName()) //if texture does not exist + if (!gl_tex->getTexName()) //if texture does not exist { //if deleted, will re-generate it immediately texture->forceImmediateUpdate() ; + gl_tex->forceUpdateBindStats() ; return texture->bindDefaultImage(mIndex); } + //in audit, replace the selected texture by the default one. + if(gAuditTexture && for_rendering && LLImageGL::sCurTexPickSize > 0) + { + if(texture->getWidth() * texture->getHeight() == LLImageGL::sCurTexPickSize) + { + gl_tex->updateBindStats(gl_tex->mTextureMemory); + return bind(LLImageGL::sHighlightTexturep.get()); + } + } + if ((mCurrTexture != gl_tex->getTexName()) || forceBind) + { + activate(); + enable(gl_tex->getTarget()); + mCurrTexture = gl_tex->getTexName(); + glBindTexture(sGLTextureType[gl_tex->getTarget()], mCurrTexture); + if(gl_tex->updateBindStats(gl_tex->mTextureMemory)) + { + texture->setActive() ; + texture->updateBindStatsForTester() ; + } + mHasMipMaps = gl_tex->mHasMipMaps; + if (gl_tex->mTexOptionsDirty) + { + gl_tex->mTexOptionsDirty = false; + setTextureAddressMode(gl_tex->mAddressMode); + setTextureFilteringOption(gl_tex->mFilterOption); + } + } + return true; +} + +bool LLTexUnit::bind(LLImageGL* texture, bool for_rendering, bool forceBind) +{ + stop_glerror(); + if (mIndex < 0) return false; + + if(!texture) + { + llwarns << "NULL LLTexUnit::bind texture" << llendl; + return false; + } + + if(!texture->getTexName()) + { + if(LLImageGL::sDefaultGLTexture && LLImageGL::sDefaultGLTexture->getTexName()) + { + return bind(LLImageGL::sDefaultGLTexture) ; + } + return false ; + } + if ((mCurrTexture != texture->getTexName()) || forceBind) { + gGL.flush(); activate(); enable(texture->getTarget()); mCurrTexture = texture->getTexName(); glBindTexture(sGLTextureType[texture->getTarget()], mCurrTexture); - texture->updateBindStats(); - texture->setActive() ; + texture->updateBindStats(texture->mTextureMemory); mHasMipMaps = texture->mHasMipMaps; if (texture->mTexOptionsDirty) { @@ -214,6 +274,7 @@ bool LLTexUnit::bind(LLImageGL* texture, bool forceBind) setTextureFilteringOption(texture->mFilterOption); } } + return true; } @@ -238,7 +299,7 @@ bool LLTexUnit::bind(LLCubeMap* cubeMap) mCurrTexture = cubeMap->mImages[0]->getTexName(); glBindTexture(GL_TEXTURE_CUBE_MAP_ARB, mCurrTexture); mHasMipMaps = cubeMap->mImages[0]->mHasMipMaps; - cubeMap->mImages[0]->updateBindStats(); + cubeMap->mImages[0]->updateBindStats(cubeMap->mImages[0]->mTextureMemory); if (cubeMap->mImages[0]->mTexOptionsDirty) { cubeMap->mImages[0]->mTexOptionsDirty = false; @@ -266,6 +327,11 @@ bool LLTexUnit::bind(LLRenderTarget* renderTarget, bool bindDepth) if (bindDepth) { + if (renderTarget->hasStencil()) + { + llerrs << "Cannot bind a render buffer for sampling. Allocate render target without a stencil buffer if sampling of depth buffer is required." << llendl; + } + bindManual(renderTarget->getUsage(), renderTarget->getDepth()); } else @@ -279,15 +345,21 @@ bool LLTexUnit::bind(LLRenderTarget* renderTarget, bool bindDepth) bool LLTexUnit::bindManual(eTextureType type, U32 texture, bool hasMips) { - if (mIndex < 0 || mCurrTexture == texture) return false; - - gGL.flush(); + if (mIndex < 0) + { + return false; + } - activate(); - enable(type); - mCurrTexture = texture; - glBindTexture(sGLTextureType[type], texture); - mHasMipMaps = hasMips; + if(mCurrTexture != texture) + { + gGL.flush(); + + activate(); + enable(type); + mCurrTexture = texture; + glBindTexture(sGLTextureType[type], texture); + mHasMipMaps = hasMips; + } return true; } @@ -312,6 +384,8 @@ void LLTexUnit::setTextureAddressMode(eTextureAddressMode mode) { if (mIndex < 0 || mCurrTexture == 0) return; + gGL.flush(); + activate(); glTexParameteri (sGLTextureType[mCurrTexType], GL_TEXTURE_WRAP_S, sGLAddressMode[mode]); @@ -326,6 +400,8 @@ void LLTexUnit::setTextureFilteringOption(LLTexUnit::eTextureFilterOptions optio { if (mIndex < 0 || mCurrTexture == 0) return; + gGL.flush(); + if (option == TFO_POINT) { glTexParameteri(sGLTextureType[mCurrTexType], GL_TEXTURE_MAG_FILTER, GL_NEAREST); @@ -375,6 +451,8 @@ void LLTexUnit::setTextureBlendType(eTextureBlendType type) return; } + gGL.flush(); + activate(); mCurrBlendType = type; S32 scale_amount = 1; @@ -491,6 +569,7 @@ void LLTexUnit::setTextureCombiner(eTextureBlendOp op, eTextureBlendSrc src1, eT if (mCurrBlendType != TB_COMBINE || gGL.mDirty) { mCurrBlendType = TB_COMBINE; + gGL.flush(); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB); } @@ -501,6 +580,8 @@ void LLTexUnit::setTextureCombiner(eTextureBlendOp op, eTextureBlendSrc src1, eT return; } + gGL.flush(); + // Get the gl source enums according to the eTextureBlendSrc sources passed in GLint source1 = getTextureSource(src1); GLint source2 = getTextureSource(src2); @@ -633,6 +714,7 @@ void LLTexUnit::setColorScale(S32 scale) if (mCurrColorScale != scale || gGL.mDirty) { mCurrColorScale = scale; + gGL.flush(); glTexEnvi( GL_TEXTURE_ENV, GL_RGB_SCALE, scale ); } } @@ -642,6 +724,7 @@ void LLTexUnit::setAlphaScale(S32 scale) if (mCurrAlphaScale != scale || gGL.mDirty) { mCurrAlphaScale = scale; + gGL.flush(); glTexEnvi( GL_TEXTURE_ENV, GL_ALPHA_SCALE, scale ); } } @@ -663,8 +746,11 @@ void LLTexUnit::debugTextureUnit(void) LLRender::LLRender() -: mDirty(false), mCount(0), mMode(LLRender::TRIANGLES), - mMaxAnisotropy(0.f) + : mDirty(false), + mCount(0), + mMode(LLRender::TRIANGLES), + mCurrTextureUnitIndex(0), + mMaxAnisotropy(0.f) { mBuffer = new LLVertexBuffer(immediate_mask, 0); mBuffer->allocateBuffer(4096, 0, TRUE); @@ -686,6 +772,10 @@ LLRender::LLRender() mCurrAlphaFunc = CF_DEFAULT; mCurrAlphaFuncVal = 0.01f; + mCurrBlendColorSFactor = BF_UNDEF; + mCurrBlendAlphaSFactor = BF_UNDEF; + mCurrBlendColorDFactor = BF_UNDEF; + mCurrBlendAlphaDFactor = BF_UNDEF; } LLRender::~LLRender() @@ -748,6 +838,88 @@ void LLRender::popMatrix() glPopMatrix(); } +void LLRender::translateUI(F32 x, F32 y, F32 z) +{ + if (mUIOffset.empty()) + { + llerrs << "Need to push a UI translation frame before offsetting" << llendl; + } + + mUIOffset.back().mV[0] += x; + mUIOffset.back().mV[1] += y; + mUIOffset.back().mV[2] += z; +} + +void LLRender::scaleUI(F32 x, F32 y, F32 z) +{ + if (mUIScale.empty()) + { + llerrs << "Need to push a UI transformation frame before scaling." << llendl; + } + + mUIScale.back().scaleVec(LLVector3(x,y,z)); +} + +void LLRender::pushUIMatrix() +{ + if (mUIOffset.empty()) + { + mUIOffset.push_back(LLVector3(0,0,0)); + } + else + { + mUIOffset.push_back(mUIOffset.back()); + } + + if (mUIScale.empty()) + { + mUIScale.push_back(LLVector3(1,1,1)); + } + else + { + mUIScale.push_back(mUIScale.back()); + } +} + +void LLRender::popUIMatrix() +{ + if (mUIOffset.empty()) + { + llerrs << "UI offset stack blown." << llendl; + } + mUIOffset.pop_back(); + mUIScale.pop_back(); +} + +LLVector3 LLRender::getUITranslation() +{ + if (mUIOffset.empty()) + { + return LLVector3::zero; + } + return mUIOffset.back(); +} + +LLVector3 LLRender::getUIScale() +{ + if (mUIScale.empty()) + { + return LLVector3(1.f, 1.f, 1.f); + } + return mUIScale.back(); +} + + +void LLRender::loadUIIdentity() +{ + if (mUIOffset.empty()) + { + llerrs << "Need to push UI translation frame before clearing offset." << llendl; + } + mUIOffset.back().setVec(0,0,0); + mUIScale.back().setVec(1,1,1); +} + void LLRender::setColorMask(bool writeColor, bool writeAlpha) { setColorMask(writeColor, writeColor, writeColor, writeAlpha); @@ -770,29 +942,28 @@ void LLRender::setColorMask(bool writeColorR, bool writeColorG, bool writeColorB void LLRender::setSceneBlendType(eBlendType type) { - flush(); switch (type) { case BT_ALPHA: - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + blendFunc(BF_SOURCE_ALPHA, BF_ONE_MINUS_SOURCE_ALPHA); break; case BT_ADD: - glBlendFunc(GL_ONE, GL_ONE); + blendFunc(BF_ONE, BF_ONE); break; case BT_ADD_WITH_ALPHA: - glBlendFunc(GL_SRC_ALPHA, GL_ONE); + blendFunc(BF_SOURCE_ALPHA, BF_ONE); break; case BT_MULT: - glBlendFunc(GL_DST_COLOR, GL_ZERO); + blendFunc(BF_DEST_COLOR, BF_ZERO); break; case BT_MULT_ALPHA: - glBlendFunc(GL_DST_ALPHA, GL_ZERO); + blendFunc(BF_DEST_ALPHA, BF_ZERO); break; case BT_MULT_X2: - glBlendFunc(GL_DST_COLOR, GL_SRC_COLOR); + blendFunc(BF_DEST_COLOR, BF_SOURCE_COLOR); break; case BT_REPLACE: - glBlendFunc(GL_ONE, GL_ZERO); + blendFunc(BF_ONE, BF_ZERO); break; default: llerrs << "Unknown Scene Blend Type: " << type << llendl; @@ -818,8 +989,44 @@ void LLRender::setAlphaRejectSettings(eCompareFunc func, F32 value) void LLRender::blendFunc(eBlendFactor sfactor, eBlendFactor dfactor) { - flush(); - glBlendFunc(sGLBlendFactor[sfactor], sGLBlendFactor[dfactor]); + llassert(sfactor < BF_UNDEF); + llassert(dfactor < BF_UNDEF); + if (mCurrBlendColorSFactor != sfactor || mCurrBlendColorDFactor != dfactor || + mCurrBlendAlphaSFactor != sfactor || mCurrBlendAlphaDFactor != dfactor) + { + mCurrBlendColorSFactor = sfactor; + mCurrBlendAlphaSFactor = sfactor; + mCurrBlendColorDFactor = dfactor; + mCurrBlendAlphaDFactor = dfactor; + flush(); + glBlendFunc(sGLBlendFactor[sfactor], sGLBlendFactor[dfactor]); + } +} + +void LLRender::blendFunc(eBlendFactor color_sfactor, eBlendFactor color_dfactor, + eBlendFactor alpha_sfactor, eBlendFactor alpha_dfactor) +{ + llassert(color_sfactor < BF_UNDEF); + llassert(color_dfactor < BF_UNDEF); + llassert(alpha_sfactor < BF_UNDEF); + llassert(alpha_dfactor < BF_UNDEF); + if (!gGLManager.mHasBlendFuncSeparate) + { + LL_WARNS_ONCE("render") << "no glBlendFuncSeparateEXT(), using color-only blend func" << llendl; + blendFunc(color_sfactor, color_dfactor); + return; + } + if (mCurrBlendColorSFactor != color_sfactor || mCurrBlendColorDFactor != color_dfactor || + mCurrBlendAlphaSFactor != alpha_sfactor || mCurrBlendAlphaDFactor != alpha_dfactor) + { + mCurrBlendColorSFactor = color_sfactor; + mCurrBlendAlphaSFactor = alpha_sfactor; + mCurrBlendColorDFactor = color_dfactor; + mCurrBlendAlphaDFactor = alpha_dfactor; + flush(); + glBlendFuncSeparateEXT(sGLBlendFactor[color_sfactor], sGLBlendFactor[color_dfactor], + sGLBlendFactor[alpha_sfactor], sGLBlendFactor[alpha_dfactor]); + } } LLTexUnit* LLRender::getTexUnit(U32 index) @@ -939,6 +1146,39 @@ void LLRender::flush() } #endif + if (!mUIOffset.empty()) + { + sUICalls++; + sUIVerts += mCount; + } + + if (gDebugGL) + { + if (mMode == LLRender::QUADS) + { + if (mCount%4 != 0) + { + llerrs << "Incomplete quad rendered." << llendl; + } + } + + if (mMode == LLRender::TRIANGLES) + { + if (mCount%3 != 0) + { + llerrs << "Incomplete triangle rendered." << llendl; + } + } + + if (mMode == LLRender::LINES) + { + if (mCount%2 != 0) + { + llerrs << "Incomplete line rendered." << llendl; + } + } + } + mBuffer->setBuffer(immediate_mask); mBuffer->drawArrays(mMode, 0, mCount); @@ -958,15 +1198,85 @@ void LLRender::vertex3f(const GLfloat& x, const GLfloat& y, const GLfloat& z) return; } - mVerticesp[mCount] = LLVector3(x,y,z); + if (mUIOffset.empty()) + { + mVerticesp[mCount] = LLVector3(x,y,z); + } + else + { + LLVector3 vert = (LLVector3(x,y,z)+mUIOffset.back()).scaledVec(mUIScale.back()); + mVerticesp[mCount] = vert; + } + mCount++; - if (mCount < 4096) + mVerticesp[mCount] = mVerticesp[mCount-1]; + mColorsp[mCount] = mColorsp[mCount-1]; + mTexcoordsp[mCount] = mTexcoordsp[mCount-1]; +} + +void LLRender::vertexBatchPreTransformed(LLVector3* verts, S32 vert_count) +{ + if (mCount + vert_count > 4094) { - mVerticesp[mCount] = mVerticesp[mCount-1]; - mColorsp[mCount] = mColorsp[mCount-1]; + // llwarns << "GL immediate mode overflow. Some geometry not drawn." << llendl; + return; + } + + for (S32 i = 0; i < vert_count; i++) + { + mVerticesp[mCount] = verts[i]; + + mCount++; mTexcoordsp[mCount] = mTexcoordsp[mCount-1]; + mColorsp[mCount] = mColorsp[mCount-1]; } + + mVerticesp[mCount] = mVerticesp[mCount-1]; } + +void LLRender::vertexBatchPreTransformed(LLVector3* verts, LLVector2* uvs, S32 vert_count) +{ + if (mCount + vert_count > 4094) + { + // llwarns << "GL immediate mode overflow. Some geometry not drawn." << llendl; + return; + } + + for (S32 i = 0; i < vert_count; i++) + { + mVerticesp[mCount] = verts[i]; + mTexcoordsp[mCount] = uvs[i]; + + mCount++; + mColorsp[mCount] = mColorsp[mCount-1]; + } + + mVerticesp[mCount] = mVerticesp[mCount-1]; + mTexcoordsp[mCount] = mTexcoordsp[mCount-1]; +} + +void LLRender::vertexBatchPreTransformed(LLVector3* verts, LLVector2* uvs, LLColor4U* colors, S32 vert_count) +{ + if (mCount + vert_count > 4094) + { + // llwarns << "GL immediate mode overflow. Some geometry not drawn." << llendl; + return; + } + + for (S32 i = 0; i < vert_count; i++) + { + mVerticesp[mCount] = verts[i]; + mTexcoordsp[mCount] = uvs[i]; + mColorsp[mCount] = colors[i]; + + mCount++; + } + + mVerticesp[mCount] = mVerticesp[mCount-1]; + mTexcoordsp[mCount] = mTexcoordsp[mCount-1]; + mColorsp[mCount] = mColorsp[mCount-1]; +} + void LLRender::vertex2i(const GLint& x, const GLint& y) { vertex3f((GLfloat) x, (GLfloat) y, 0); |