diff options
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
| -rwxr-xr-x[-rw-r--r--] | indra/llrender/llrendertarget.cpp | 187 |
1 files changed, 147 insertions, 40 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index ef2a7395da..fe8110904d 100644..100755 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -51,12 +51,21 @@ void check_framebuffer_status() } 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), @@ -70,8 +79,49 @@ 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; + + 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; + } +} + + 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(); @@ -111,7 +161,7 @@ bool LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), mDepth, 0); stop_glerror(); } - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); } stop_glerror(); @@ -128,10 +178,19 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt) } U32 offset = mTex.size(); - if (offset >= 4 || - (offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers))) + + if( offset >= 4 ) { - llerrs << "Too many color attachments!" << llendl; + llwarns << "Too many color attachments" << llendl; + llassert( offset < 4 ); + return false; + } + if( offset > 0 && (mFBO == 0 || !gGLManager.mHasDrawBuffers) ) + { + llwarns << "FBO not used or no drawbuffers available; mFBO=" << (U32)mFBO << " gGLManager.mHasDrawBuffers=" << (U32)gGLManager.mHasDrawBuffers << llendl; + llassert( mFBO != 0 ); + llassert( gGLManager.mHasDrawBuffers ); + return false; } U32 tex; @@ -143,7 +202,7 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt) { clear_glerror(); - LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, mResX, mResY, GL_RGBA, GL_UNSIGNED_BYTE, NULL, false); if (glGetError() != GL_NO_ERROR) { llwarns << "Could not allocate color buffer for render target." << llendl; @@ -189,17 +248,21 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt) check_framebuffer_status(); - glBindFramebuffer(GL_FRAMEBUFFER, 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; } @@ -223,7 +286,7 @@ bool LLRenderTarget::allocateDepth() 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); + 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); } @@ -277,7 +340,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target) check_framebuffer_status(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); target.mUseDepth = true; } @@ -294,41 +357,62 @@ void LLRenderTarget::release() } else { - LLImageGL::deleteTextures(1, &mDepth, true); + LLImageGL::deleteTextures(1, &mDepth); stop_glerror(); } mDepth = 0; sBytesAllocated -= mResX*mResY*4; } - else if (mUseDepth && mFBO) - { //detach shared depth buffer + else if (mFBO) + { glBindFramebuffer(GL_FRAMEBUFFER, mFBO); - 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; + + 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; } - else - { //attached as a texture - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, LLTexUnit::getInternalType(mUsage), 0, 0); + } + + // Detach any extra color buffers (e.g. SRGB spec buffers) + // + if (mFBO && (mTex.size() > 1)) + { + 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]); } - mUseDepth = false; } if (mFBO) { glDeleteFramebuffers(1, (GLuint *) &mFBO); + stop_glerror(); mFBO = 0; } if (mTex.size() > 0) { - sBytesAllocated -= mResX*mResY*4*mTex.size(); - LLImageGL::deleteTextures(mTex.size(), &mTex[0], true); - mTex.clear(); + sBytesAllocated -= mResX*mResY*4; + LLImageGL::deleteTextures(1, &mTex[0]); } + + mTex.clear(); + mInternalFormat.clear(); mResX = mResY = 0; @@ -341,7 +425,10 @@ void LLRenderTarget::bindTarget() { stop_glerror(); + mPreviousFBO = sCurFBO; glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + sCurFBO = mFBO; + stop_glerror(); if (gGLManager.mHasDrawBuffers) { //setup multiple render targets @@ -363,18 +450,13 @@ void LLRenderTarget::bindTarget() stop_glerror(); } + mPreviousResX = sCurResX; + mPreviousResY = sCurResY; glViewport(0, 0, mResX, mResY); - sBoundTarget = this; -} + sCurResX = mResX; + sCurResY = mResY; -// static -void LLRenderTarget::unbindTarget() -{ - if (gGLManager.mHasFramebufferObject) - { - glBindFramebuffer(GL_FRAMEBUFFER, 0); - } - sBoundTarget = NULL; + sBoundTarget = this; } void LLRenderTarget::clear(U32 mask_in) @@ -413,6 +495,12 @@ U32 LLRenderTarget::getTexture(U32 attachment) const return mTex[attachment]; } +U32 LLRenderTarget::getNumTextures() const +{ + return mTex.size(); +} + + void LLRenderTarget::bindTexture(U32 index, S32 channel) { gGL.getTexUnit(channel)->bindManual(mUsage, getTexture(index)); @@ -442,7 +530,22 @@ void LLRenderTarget::flush(bool fetch_depth) else { stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, mPreviousFBO); + sCurFBO = mPreviousFBO; + + if (mPreviousFBO) + { + glViewport(0, 0, mPreviousResX, mPreviousResY); + sCurResX = mPreviousResX; + sCurResY = mPreviousResY; + } + else + { + glViewport(gGLViewport[0],gGLViewport[1],gGLViewport[2],gGLViewport[3]); + sCurResX = gGLViewport[2]; + sCurResY = gGLViewport[3]; + } + stop_glerror(); } } @@ -472,7 +575,7 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, stop_glerror(); glCopyTexSubImage2D(LLTexUnit::getInternalType(mUsage), 0, srcX0, srcY0, dstX0, dstY0, dstX1, dstY1); stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); stop_glerror(); } else @@ -489,7 +592,7 @@ void LLRenderTarget::copyContents(LLRenderTarget& source, S32 srcX0, S32 srcY0, stop_glerror(); glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0); stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); stop_glerror(); } } @@ -500,8 +603,10 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0 { if (!source.mFBO) { - llerrs << "Cannot copy framebuffer contents for non FBO render targets." << llendl; + llwarns << "Cannot copy framebuffer contents for non FBO render targets." << llendl; + return; } + { GLboolean write_depth = mask & GL_DEPTH_BUFFER_BIT ? TRUE : FALSE; @@ -515,7 +620,7 @@ void LLRenderTarget::copyContentsToFramebuffer(LLRenderTarget& source, S32 srcX0 stop_glerror(); glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); stop_glerror(); } } @@ -533,3 +638,5 @@ void LLRenderTarget::getViewport(S32* viewport) viewport[3] = mResY; } + + |