diff options
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
| -rwxr-xr-x[-rw-r--r--] | indra/llrender/llrendertarget.cpp | 733 |
1 files changed, 331 insertions, 402 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index d9520b3bf6..cd484b4fe9 100644..100755 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -2,31 +2,25 @@ * @file llrendertarget.cpp * @brief LLRenderTarget 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 * $/LicenseInfo$ */ @@ -37,39 +31,46 @@ #include "llgl.h" LLRenderTarget* LLRenderTarget::sBoundTarget = NULL; - - +U32 LLRenderTarget::sBytesAllocated = 0; void check_framebuffer_status() { if (gDebugGL) { - GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); + GLenum status = glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER); switch (status) { - case GL_FRAMEBUFFER_COMPLETE_EXT: + case GL_FRAMEBUFFER_COMPLETE: break; default: + LL_WARNS() << "check_framebuffer_status failed -- " << std::hex << status << LL_ENDL; ll_fail("check_framebuffer_status failed"); break; } } } -BOOL LLRenderTarget::sUseFBO = FALSE; +bool LLRenderTarget::sUseFBO = false; +U32 LLRenderTarget::sCurFBO = 0; + + +extern S32 gGLViewport[4]; + +U32 LLRenderTarget::sCurResX = 0; +U32 LLRenderTarget::sCurResY = 0; LLRenderTarget::LLRenderTarget() : mResX(0), mResY(0), - mTex(0), mFBO(0), + mPreviousFBO(0), + mPreviousResX(0), + mPreviousResY(0), mDepth(0), mStencil(0), - mUseDepth(FALSE), - mRenderDepth(FALSE), - mUsage(LLTexUnit::TT_TEXTURE), - mSamples(0), - mSampleBuffer(NULL) + mUseDepth(false), + mRenderDepth(false), + mUsage(LLTexUnit::TT_TEXTURE) { } @@ -78,15 +79,53 @@ LLRenderTarget::~LLRenderTarget() release(); } +void LLRenderTarget::resize(U32 resx, U32 resy) +{ + //for accounting, get the number of pixels added/subtracted + S32 pix_diff = (resx*resy)-(mResX*mResY); + + mResX = resx; + mResY = resy; -void LLRenderTarget::setSampleBuffer(LLMultisampleBuffer* buffer) -{ - mSampleBuffer = buffer; + llassert(mInternalFormat.size() == mTex.size()); + + for (U32 i = 0; i < mTex.size(); ++i) + { //resize color attachments + gGL.getTexUnit(0)->bindManual(mUsage, mTex[i]); + LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, mInternalFormat[i], mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false); + sBytesAllocated += pix_diff*4; + } + + if (mDepth) + { //resize depth attachment + if (mStencil) + { + //use render buffers where stencil buffers are in play + glBindRenderbuffer(GL_RENDERBUFFER, mDepth); + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY); + glBindRenderbuffer(GL_RENDERBUFFER, 0); + } + else + { + gGL.getTexUnit(0)->bindManual(mUsage, mDepth); + U32 internal_type = LLTexUnit::getInternalType(mUsage); + LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL, false); + } + + sBytesAllocated += pix_diff*4; + } } + -void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil, LLTexUnit::eTextureType usage, BOOL use_fbo) +bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples) { + resx = llmin(resx, (U32) gGLManager.mGLMaxTextureSize); + resy = llmin(resy, (U32) gGLManager.mGLMaxTextureSize); + stop_glerror(); + release(); + stop_glerror(); + mResX = resx; mResY = resy; @@ -94,55 +133,64 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOO mUsage = usage; mUseDepth = depth; - release(); - if ((sUseFBO || use_fbo) && gGLManager.mHasFramebufferObject) { if (depth) { - stop_glerror(); - allocateDepth(); - stop_glerror(); + if (!allocateDepth()) + { + LL_WARNS() << "Failed to allocate depth buffer for render target." << LL_ENDL; + return false; + } } - glGenFramebuffersEXT(1, (GLuint *) &mFBO); + glGenFramebuffers(1, (GLuint *) &mFBO); if (mDepth) { - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); + glBindFramebuffer(GL_FRAMEBUFFER, mFBO); if (mStencil) { - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth); stop_glerror(); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth); stop_glerror(); } else { - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0); stop_glerror(); } - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); } stop_glerror(); } - addColorAttachment(color_fmt); + return addColorAttachment(color_fmt); } -void LLRenderTarget::addColorAttachment(U32 color_fmt) +bool LLRenderTarget::addColorAttachment(U32 color_fmt) { if (color_fmt == 0) { - return; + return true; } U32 offset = mTex.size(); - if (offset >= 4 || - (offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers))) + + if( offset >= 4 ) { - llerrs << "Too many color attachments!" << llendl; + LL_WARNS() << "Too many color attachments" << LL_ENDL; + llassert( offset < 4 ); + return false; + } + if( offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers) ) + { + LL_WARNS() << "FBO not used or no drawbuffers available; mFBO=" << (U32)mFBO << " gGLManager.mHasDrawBuffers=" << (U32)gGLManager.mHasDrawBuffers << LL_ENDL; + llassert( mFBO != 0 ); + llassert( gGLManager.mHasDrawBuffers ); + return false; } U32 tex; @@ -151,118 +199,160 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt) stop_glerror(); - LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + + { + clear_glerror(); + LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false); + if (glGetError() != GL_NO_ERROR) + { + LL_WARNS() << "Could not allocate color buffer for render target." << LL_ENDL; + return false; + } + } + + sBytesAllocated += mResX*mResY*4; stop_glerror(); + if (offset == 0) - { + { //use bilinear filtering on single texture render targets that aren't multisampled gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR); + stop_glerror(); } else { //don't filter data attachments gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT); + stop_glerror(); } + if (mUsage != LLTexUnit::TT_RECT_TEXTURE) { gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_MIRROR); + stop_glerror(); } else { // ATI doesn't support mirrored repeat for rectangular textures. gGL.getTexUnit(0)->setTextureAddressMode(LLTexUnit::TAM_CLAMP); + stop_glerror(); } + if (mFBO) { - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset, + stop_glerror(); + glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset, LLTexUnit::getInternalType(mUsage), tex, 0); stop_glerror(); check_framebuffer_status(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); } mTex.push_back(tex); + mInternalFormat.push_back(color_fmt); +#if !LL_DARWIN + if (gDebugGL) + { //bind and unbind to validate target + bindTarget(); + flush(); + } +#endif + + + return true; } -void LLRenderTarget::allocateDepth() +bool LLRenderTarget::allocateDepth() { if (mStencil) { //use render buffers where stencil buffers are in play - glGenRenderbuffersEXT(1, (GLuint *) &mDepth); - glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mDepth); - glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, mResX, mResY); - glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0); + glGenRenderbuffers(1, (GLuint *) &mDepth); + glBindRenderbuffer(GL_RENDERBUFFER, mDepth); + stop_glerror(); + clear_glerror(); + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY); + glBindRenderbuffer(GL_RENDERBUFFER, 0); } else { LLImageGL::generateTextures(1, &mDepth); gGL.getTexUnit(0)->bindManual(mUsage, mDepth); + U32 internal_type = LLTexUnit::getInternalType(mUsage); + stop_glerror(); + clear_glerror(); + LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT24, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL, false); gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT); - LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32_ARB, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); } + + sBytesAllocated += mResX*mResY*4; + + if (glGetError() != GL_NO_ERROR) + { + LL_WARNS() << "Unable to allocate depth buffer for render target." << LL_ENDL; + return false; + } + + return true; } void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target) { if (!mFBO || !target.mFBO) { - llerrs << "Cannot share depth buffer between non FBO render targets." << llendl; + LL_ERRS() << "Cannot share depth buffer between non FBO render targets." << LL_ENDL; + } + + if (target.mDepth) + { + LL_ERRS() << "Attempting to override existing depth buffer. Detach existing buffer first." << LL_ENDL; + } + + if (target.mUseDepth) + { + LL_ERRS() << "Attempting to override existing shared depth buffer. Detach existing buffer first." << LL_ENDL; } if (mDepth) { stop_glerror(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, target.mFBO); + glBindFramebuffer(GL_FRAMEBUFFER, target.mFBO); stop_glerror(); if (mStencil) { - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth); stop_glerror(); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth); stop_glerror(); + target.mStencil = true; } else { - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0); stop_glerror(); - if (mStencil) - { - glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, LLTexUnit::getInternalType(mUsage), mDepth, 0); - stop_glerror(); - } } - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - target.mUseDepth = TRUE; + check_framebuffer_status(); + + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); + + target.mUseDepth = true; } } void LLRenderTarget::release() { - if (mFBO) - { - glDeleteFramebuffersEXT(1, (GLuint *) &mFBO); - mFBO = 0; - } - - if (mTex.size() > 0) - { - LLImageGL::deleteTextures(mTex.size(), &mTex[0]); - mTex.clear(); - } - if (mDepth) { if (mStencil) { - glDeleteRenderbuffersEXT(1, (GLuint*) &mDepth); + glDeleteRenderbuffers(1, (GLuint*) &mDepth); stop_glerror(); } else @@ -271,9 +361,62 @@ void LLRenderTarget::release() stop_glerror(); } mDepth = 0; + + sBytesAllocated -= mResX*mResY*4; } + else if (mFBO) + { + glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + + if (mUseDepth) + { //detach shared depth buffer + if (mStencil) + { //attached as a renderbuffer + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0); + mStencil = false; + } + else + { //attached as a texture + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0); + } + mUseDepth = false; + } + } + + // Detach any extra color buffers (e.g. SRGB spec buffers) + // + if (mFBO && (mTex.size() > 1)) + { + glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + S32 z; + for (z = mTex.size() - 1; z >= 1; z--) + { + sBytesAllocated -= mResX*mResY*4; + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+z, LLTexUnit::getInternalType(mUsage), 0, 0); + stop_glerror(); + LLImageGL::deleteTextures(1, &mTex[z]); + } + } + + if (mFBO) + { + glDeleteFramebuffers(1, (GLuint *) &mFBO); + stop_glerror(); + mFBO = 0; + } + + if (mTex.size() > 0) + { + sBytesAllocated -= mResX*mResY*4; + LLImageGL::deleteTextures(1, &mTex[0]); + } + + mTex.clear(); + mInternalFormat.clear(); + + mResX = mResY = 0; - mSampleBuffer = NULL; sBoundTarget = NULL; } @@ -282,48 +425,39 @@ void LLRenderTarget::bindTarget() if (mFBO) { stop_glerror(); - if (mSampleBuffer) - { - mSampleBuffer->bindTarget(this); - stop_glerror(); + + mPreviousFBO = sCurFBO; + glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + sCurFBO = mFBO; + + stop_glerror(); + if (gGLManager.mHasDrawBuffers) + { //setup multiple render targets + GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0, + GL_COLOR_ATTACHMENT1, + GL_COLOR_ATTACHMENT2, + GL_COLOR_ATTACHMENT3}; + glDrawBuffersARB(mTex.size(), drawbuffers); } - else - { - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); - stop_glerror(); - if (gGLManager.mHasDrawBuffers) - { //setup multiple render targets - GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0_EXT, - GL_COLOR_ATTACHMENT1_EXT, - GL_COLOR_ATTACHMENT2_EXT, - GL_COLOR_ATTACHMENT3_EXT}; - glDrawBuffersARB(mTex.size(), drawbuffers); - } - if (mTex.empty()) - { //no color buffer to draw to - glDrawBuffer(GL_NONE); - glReadBuffer(GL_NONE); - } + if (mTex.empty()) + { //no color buffer to draw to + glDrawBuffer(GL_NONE); + glReadBuffer(GL_NONE); + } - check_framebuffer_status(); + check_framebuffer_status(); - stop_glerror(); - } + stop_glerror(); } + mPreviousResX = sCurResX; + mPreviousResY = sCurResY; glViewport(0, 0, mResX, mResY); - sBoundTarget = this; -} + sCurResX = mResX; + sCurResY = mResY; -// static -void LLRenderTarget::unbindTarget() -{ - if (gGLManager.mHasFramebufferObject) - { - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - } - sBoundTarget = NULL; + sBoundTarget = this; } void LLRenderTarget::clear(U32 mask_in) @@ -353,21 +487,27 @@ U32 LLRenderTarget::getTexture(U32 attachment) const { if (attachment > mTex.size()-1) { - llerrs << "Invalid attachment index." << llendl; + LL_ERRS() << "Invalid attachment index." << LL_ENDL; + } + if (mTex.empty()) + { + return 0; } return mTex[attachment]; } +U32 LLRenderTarget::getNumTextures() const +{ + return mTex.size(); +} + + void LLRenderTarget::bindTexture(U32 index, S32 channel) { - if (index > mTex.size()-1) - { - llerrs << "Invalid attachment index." << llendl; - } - gGL.getTexUnit(channel)->bindManual(mUsage, mTex[index]); + gGL.getTexUnit(channel)->bindManual(mUsage, getTexture(index)); } -void LLRenderTarget::flush(BOOL fetch_depth) +void LLRenderTarget::flush(bool fetch_depth) { gGL.flush(); if (!mFBO) @@ -383,136 +523,112 @@ void LLRenderTarget::flush(BOOL fetch_depth) } gGL.getTexUnit(0)->bind(this); - glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8_EXT, 0, 0, mResX, mResY, 0); + glCopyTexImage2D(LLTexUnit::getInternalType(mUsage), 0, GL_DEPTH24_STENCIL8, 0, 0, mResX, mResY, 0); } gGL.getTexUnit(0)->disable(); } else { -#if !LL_DARWIN - stop_glerror(); + glBindFramebuffer(GL_FRAMEBUFFER, mPreviousFBO); + sCurFBO = mPreviousFBO; - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - - stop_glerror(); - - if (mSampleBuffer) + if (mPreviousFBO) { - LLGLEnable multisample(GL_MULTISAMPLE_ARB); - stop_glerror(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); - stop_glerror(); - check_framebuffer_status(); - glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, mSampleBuffer->mFBO); - check_framebuffer_status(); - - stop_glerror(); - glBlitFramebufferEXT(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST); - stop_glerror(); - - if (mTex.size() > 1) - { - for (U32 i = 1; i < mTex.size(); ++i) - { - glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, - LLTexUnit::getInternalType(mUsage), mTex[i], 0); - stop_glerror(); - glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, mSampleBuffer->mTex[i]); - stop_glerror(); - glBlitFramebufferEXT(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST); - stop_glerror(); - } - - for (U32 i = 0; i < mTex.size(); ++i) - { - glFramebufferTexture2DEXT(GL_DRAW_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i, - LLTexUnit::getInternalType(mUsage), mTex[i], 0); - stop_glerror(); - glFramebufferRenderbufferEXT(GL_READ_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+i, GL_RENDERBUFFER_EXT, mSampleBuffer->mTex[i]); - stop_glerror(); - } - } + glViewport(0, 0, mPreviousResX, mPreviousResY); + sCurResX = mPreviousResX; + sCurResY = mPreviousResY; } -#endif - - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); + else + { + glViewport(gGLViewport[0],gGLViewport[1],gGLViewport[2],gGLViewport[3]); + sCurResX = gGLViewport[2]; + sCurResY = gGLViewport[3]; + } + + stop_glerror(); } } void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, S32 srcX1, S32 srcY1, S32 dstX0, S32 dstY0, S32 dstX1, S32 dstY1, U32 mask, U32 filter) { -#if !LL_DARWIN + GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE; + + LLGLDepthTest depth(write_depth, write_depth); + gGL.flush(); if (!source.mFBO || !mFBO) { - llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl; + LL_WARNS() << "Cannot copy framebuffer contents for non FBO render targets." << LL_ENDL; + return; } - if (mSampleBuffer) + + if (mask == GL_DEPTH_BUFFER_BIT && source.mStencil != mStencil) { - mSampleBuffer->copyContents(source, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); + stop_glerror(); + + glBindFramebuffer(GL_FRAMEBUFFER, source.mFBO); + check_framebuffer_status(); + gGL.getTexUnit(0)->bind(this, true); + stop_glerror(); + glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1); + stop_glerror(); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); + stop_glerror(); } else { - if (mask == GL_DEPTH_BUFFER_BIT && source.mStencil != mStencil) - { - stop_glerror(); - - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, source.mFBO); - gGL.getTexUnit(0)->bind(this, true); - stop_glerror(); - glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1); - stop_glerror(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - stop_glerror(); - } - else - { - glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO); - stop_glerror(); - glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, mFBO); - stop_glerror(); - check_framebuffer_status(); - stop_glerror(); - glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); - stop_glerror(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - stop_glerror(); - } + glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO); + stop_glerror(); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, mFBO); + stop_glerror(); + check_framebuffer_status(); + stop_glerror(); + glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); + stop_glerror(); + glBindFramebuffer(GL_READ_FRAMEBUFFER, 0); + stop_glerror(); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); + stop_glerror(); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); + stop_glerror(); } -#endif } //static void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0, S32 srcY0, S32 srcX1, S32 srcY1, S32 dstX0, S32 dstY0, S32 dstX1, S32 dstY1, U32 mask, U32 filter) { -#if !LL_DARWIN if (!source.mFBO) { - llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl; + LL_WARNS() << "Cannot copy framebuffer contents for non FBO render targets." << LL_ENDL; + return; } + { - glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, source.mFBO); + GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE; + + LLGLDepthTest depth(write_depth, write_depth); + + glBindFramebuffer(GL_READ_FRAMEBUFFER, source.mFBO); stop_glerror(); - glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0); + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); stop_glerror(); check_framebuffer_status(); stop_glerror(); - glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); + glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); stop_glerror(); - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); stop_glerror(); } -#endif } -BOOL LLRenderTarget::isComplete() const +bool LLRenderTarget::isComplete() const { - return (!mTex.empty() || mDepth) ? TRUE : FALSE; + return (!mTex.empty() || mDepth) ? true : false; } void LLRenderTarget::getViewport(S32* viewport) @@ -523,192 +639,5 @@ void LLRenderTarget::getViewport(S32* viewport) viewport[3] = mResY; } -//================================================== -// LLMultisampleBuffer implementation -//================================================== -LLMultisampleBuffer::LLMultisampleBuffer() -{ - -} - -LLMultisampleBuffer::~LLMultisampleBuffer() -{ - releaseSampleBuffer(); -} - -void LLMultisampleBuffer::releaseSampleBuffer() -{ - if (mFBO) - { - glDeleteFramebuffersEXT(1, (GLuint *) &mFBO); - mFBO = 0; - } - - if (mTex.size() > 0) - { - glDeleteRenderbuffersEXT(mTex.size(), (GLuint *) &mTex[0]); - mTex.clear(); - } - - if (mDepth) - { - glDeleteRenderbuffersEXT(1, (GLuint *) &mDepth); - mDepth = 0; - } -} - -void LLMultisampleBuffer::bindTarget() -{ - bindTarget(this); -} - -void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref) -{ - if (!ref) - { - ref = this; - } - - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); - if (gGLManager.mHasDrawBuffers) - { //setup multiple render targets - GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0_EXT, - GL_COLOR_ATTACHMENT1_EXT, - GL_COLOR_ATTACHMENT2_EXT, - GL_COLOR_ATTACHMENT3_EXT}; - glDrawBuffersARB(ref->mTex.size(), drawbuffers); - } - - check_framebuffer_status(); - - glViewport(0, 0, mResX, mResY); - - sBoundTarget = this; -} - -void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil, LLTexUnit::eTextureType usage, BOOL use_fbo ) -{ - allocate(resx,resy,color_fmt,depth,stencil,usage,use_fbo,2); -} - -void LLMultisampleBuffer::allocate(U32 resx, U32 resy, U32 color_fmt, BOOL depth, BOOL stencil, LLTexUnit::eTextureType usage, BOOL use_fbo, U32 samples ) -{ - stop_glerror(); - mResX = resx; - mResY = resy; - - mUsage = usage; - mUseDepth = depth; - mStencil = stencil; - - releaseSampleBuffer(); - - if (!gGLManager.mHasFramebufferMultisample) - { - llerrs << "Attempting to allocate unsupported render target type!" << llendl; - } - - mSamples = samples; - - if (mSamples <= 1) - { - llerrs << "Cannot create a multisample buffer with less than 2 samples." << llendl; - } - - stop_glerror(); - - if ((sUseFBO || use_fbo) && gGLManager.mHasFramebufferObject) - { - - if (depth) - { - stop_glerror(); - allocateDepth(); - stop_glerror(); - } - - glGenFramebuffersEXT(1, (GLuint *) &mFBO); - - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); - - if (mDepth) - { - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth); - if (mStencil) - { - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, mDepth); - } - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - } - - stop_glerror(); - - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - stop_glerror(); - } - - addColorAttachment(color_fmt); -} - -void LLMultisampleBuffer::addColorAttachment(U32 color_fmt) -{ -#if !LL_DARWIN - if (color_fmt == 0) - { - return; - } - - U32 offset = mTex.size(); - if (offset >= 4 || - (offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers))) - { - llerrs << "Too many color attachments!" << llendl; - } - U32 tex; - glGenRenderbuffersEXT(1, &tex); - - glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, tex); - glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, color_fmt, mResX, mResY); - stop_glerror(); - - if (mFBO) - { - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, mFBO); - glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT+offset, GL_RENDERBUFFER_EXT, tex); - stop_glerror(); - GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); - switch (status) - { - case GL_FRAMEBUFFER_COMPLETE_EXT: - break; - case GL_FRAMEBUFFER_UNSUPPORTED_EXT: - llerrs << "WTF?" << llendl; - break; - default: - llerrs << "WTF?" << llendl; - } - - glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); - } - - mTex.push_back(tex); -#endif -} - -void LLMultisampleBuffer::allocateDepth() -{ -#if !LL_DARWIN - glGenRenderbuffersEXT(1, (GLuint* ) &mDepth); - glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, mDepth); - if (mStencil) - { - glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, GL_DEPTH24_STENCIL8_EXT, mResX, mResY); - } - else - { - glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, mSamples, GL_DEPTH_COMPONENT16_ARB, mResX, mResY); - } -#endif -} |