diff options
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
| -rw-r--r-- | indra/llrender/llrendertarget.cpp | 414 |
1 files changed, 116 insertions, 298 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index cd2556d435..ef2a7395da 100644 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -31,8 +31,7 @@ #include "llgl.h" LLRenderTarget* LLRenderTarget::sBoundTarget = NULL; - - +U32 LLRenderTarget::sBytesAllocated = 0; void check_framebuffer_status() { @@ -44,6 +43,7 @@ void check_framebuffer_status() case GL_FRAMEBUFFER_COMPLETE: break; default: + llwarns << "check_framebuffer_status failed -- " << std::hex << status << llendl; ll_fail("check_framebuffer_status failed"); break; } @@ -61,9 +61,7 @@ LLRenderTarget::LLRenderTarget() : mStencil(0), mUseDepth(false), mRenderDepth(false), - mUsage(LLTexUnit::TT_TEXTURE), - mSamples(0), - mSampleBuffer(NULL) + mUsage(LLTexUnit::TT_TEXTURE) { } @@ -72,15 +70,12 @@ LLRenderTarget::~LLRenderTarget() release(); } - -void LLRenderTarget::setSampleBuffer(LLMultisampleBuffer* buffer) -{ - mSampleBuffer = buffer; -} - -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) { stop_glerror(); + release(); + stop_glerror(); + mResX = resx; mResY = resy; @@ -88,15 +83,15 @@ 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()) + { + llwarns << "Failed to allocate depth buffer for render target." << llendl; + return false; + } } glGenFramebuffers(1, (GLuint *) &mFBO); @@ -122,14 +117,14 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo 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(); @@ -145,29 +140,48 @@ 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); + if (glGetError() != GL_NO_ERROR) + { + llwarns << "Could not allocate color buffer for render target." << llendl; + 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) { + stop_glerror(); glBindFramebuffer(GL_FRAMEBUFFER, mFBO); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset, LLTexUnit::getInternalType(mUsage), tex, 0); @@ -180,15 +194,24 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt) mTex.push_back(tex); + if (gDebugGL) + { //bind and unbind to validate target + bindTarget(); + flush(); + } + + return true; } -void LLRenderTarget::allocateDepth() +bool LLRenderTarget::allocateDepth() { if (mStencil) { //use render buffers where stencil buffers are in play glGenRenderbuffers(1, (GLuint *) &mDepth); glBindRenderbuffer(GL_RENDERBUFFER, mDepth); + stop_glerror(); + clear_glerror(); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, mResX, mResY); glBindRenderbuffer(GL_RENDERBUFFER, 0); } @@ -196,10 +219,23 @@ void LLRenderTarget::allocateDepth() { 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); gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT); - LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); } + + sBytesAllocated += mResX*mResY*4; + + if (glGetError() != GL_NO_ERROR) + { + llwarns << "Unable to allocate depth buffer for render target." << llendl; + return false; + } + + return true; } void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target) @@ -238,6 +274,9 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target) glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0); stop_glerror(); } + + check_framebuffer_status(); + glBindFramebuffer(GL_FRAMEBUFFER, 0); target.mUseDepth = true; @@ -255,18 +294,20 @@ void LLRenderTarget::release() } else { - LLImageGL::deleteTextures(1, &mDepth); + LLImageGL::deleteTextures(1, &mDepth, true); stop_glerror(); } mDepth = 0; + + sBytesAllocated -= mResX*mResY*4; } else if (mUseDepth && mFBO) { //detach shared depth buffer glBindFramebuffer(GL_FRAMEBUFFER, mFBO); if (mStencil) { //attached as a renderbuffer - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, 0); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, 0); mStencil = false; } else @@ -284,11 +325,13 @@ void LLRenderTarget::release() if (mTex.size() > 0) { - LLImageGL::deleteTextures(mTex.size(), &mTex[0]); + sBytesAllocated -= mResX*mResY*4*mTex.size(); + LLImageGL::deleteTextures(mTex.size(), &mTex[0], true); mTex.clear(); } + + mResX = mResY = 0; - mSampleBuffer = NULL; sBoundTarget = NULL; } @@ -297,34 +340,27 @@ void LLRenderTarget::bindTarget() if (mFBO) { stop_glerror(); - if (mSampleBuffer) - { - mSampleBuffer->bindTarget(this); - stop_glerror(); + + glBindFramebuffer(GL_FRAMEBUFFER, 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 - { - glBindFramebuffer(GL_FRAMEBUFFER, 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); - } - 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(); } glViewport(0, 0, mResX, mResY); @@ -406,50 +442,8 @@ void LLRenderTarget::flush(bool fetch_depth) else { stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); - stop_glerror(); - - if (mSampleBuffer) - { - LLGLEnable multisample(GL_MULTISAMPLE); - stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, mFBO); - stop_glerror(); - check_framebuffer_status(); - glBindFramebuffer(GL_READ_FRAMEBUFFER, mSampleBuffer->mFBO); - check_framebuffer_status(); - - stop_glerror(); - glBlitFramebuffer(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) - { - glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, - LLTexUnit::getInternalType(mUsage), mTex[i], 0); - stop_glerror(); - glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, mSampleBuffer->mTex[i]); - stop_glerror(); - glBlitFramebuffer(0, 0, mResX, mResY, 0, 0, mResX, mResY, GL_COLOR_BUFFER_BIT, GL_NEAREST); - stop_glerror(); - } - - for (U32 i = 0; i < mTex.size(); ++i) - { - glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i, - LLTexUnit::getInternalType(mUsage), mTex[i], 0); - stop_glerror(); - glFramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+i, GL_RENDERBUFFER, mSampleBuffer->mTex[i]); - stop_glerror(); - } - } - } - - glBindFramebuffer(GL_FRAMEBUFFER, 0); } } @@ -463,40 +457,40 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, gGL.flush(); if (!source.mFBO || !mFBO) { - llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl; + llwarns << "Cannot copy framebuffer contents for non FBO render targets." << llendl; + 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, 0); + stop_glerror(); } else { - if (mask == GL_DEPTH_BUFFER_BIT && source.mStencil != mStencil) - { - stop_glerror(); - - glBindFramebuffer(GL_FRAMEBUFFER, source.mFBO); - gGL.getTexUnit(0)->bind(this, true); - stop_glerror(); - glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1); - stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); - stop_glerror(); - } - else - { - 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_FRAMEBUFFER, 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, 0); + stop_glerror(); } } @@ -539,179 +533,3 @@ void LLRenderTarget::getViewport(S32* viewport) viewport[3] = mResY; } -//================================================== -// LLMultisampleBuffer implementation -//================================================== -LLMultisampleBuffer::LLMultisampleBuffer() -{ - -} - -LLMultisampleBuffer::~LLMultisampleBuffer() -{ - release(); -} - -void LLMultisampleBuffer::release() -{ - if (mFBO) - { - glDeleteFramebuffers(1, (GLuint *) &mFBO); - mFBO = 0; - } - - if (mTex.size() > 0) - { - glDeleteRenderbuffers(mTex.size(), (GLuint *) &mTex[0]); - mTex.clear(); - } - - if (mDepth) - { - glDeleteRenderbuffers(1, (GLuint *) &mDepth); - mDepth = 0; - } -} - -void LLMultisampleBuffer::bindTarget() -{ - bindTarget(this); -} - -void LLMultisampleBuffer::bindTarget(LLRenderTarget* ref) -{ - if (!ref) - { - ref = this; - } - - glBindFramebuffer(GL_FRAMEBUFFER, mFBO); - if (gGLManager.mHasDrawBuffers) - { //setup multiple render targets - GLenum drawbuffers[] = {GL_COLOR_ATTACHMENT0, - GL_COLOR_ATTACHMENT1, - GL_COLOR_ATTACHMENT2, - GL_COLOR_ATTACHMENT3}; - 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; - - release(); - - 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(); - } - - glGenFramebuffers(1, (GLuint *) &mFBO); - - glBindFramebuffer(GL_FRAMEBUFFER, mFBO); - - if (mDepth) - { - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, mDepth); - if (mStencil) - { - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, mDepth); - } - } - - stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); - stop_glerror(); - } - - addColorAttachment(color_fmt); -} - -void LLMultisampleBuffer::addColorAttachment(U32 color_fmt) -{ - 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; - glGenRenderbuffers(1, &tex); - - glBindRenderbuffer(GL_RENDERBUFFER, tex); - glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, color_fmt, mResX, mResY); - stop_glerror(); - - if (mFBO) - { - glBindFramebuffer(GL_FRAMEBUFFER, mFBO); - glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0+offset, GL_RENDERBUFFER, tex); - stop_glerror(); - GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); - switch (status) - { - case GL_FRAMEBUFFER_COMPLETE: - break; - default: - llerrs << "WTF? " << std::hex << status << llendl; - break; - } - - glBindFramebuffer(GL_FRAMEBUFFER, 0); - } - - mTex.push_back(tex); -} - -void LLMultisampleBuffer::allocateDepth() -{ - glGenRenderbuffers(1, (GLuint* ) &mDepth); - glBindRenderbuffer(GL_RENDERBUFFER, mDepth); - if (mStencil) - { - glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH24_STENCIL8, mResX, mResY); - } - else - { - glRenderbufferStorageMultisample(GL_RENDERBUFFER, mSamples, GL_DEPTH_COMPONENT16, mResX, mResY); - } -} - |