diff options
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
| -rw-r--r-- | indra/llrender/llrendertarget.cpp | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index cc5c232380..c1b96a43da 100644 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -51,11 +51,13 @@ void check_framebuffer_status() } bool LLRenderTarget::sUseFBO = false; +U32 LLRenderTarget::sCurFBO = 0; LLRenderTarget::LLRenderTarget() : mResX(0), mResY(0), mFBO(0), + mPreviousFBO(0), mDepth(0), mStencil(0), mUseDepth(false), @@ -107,6 +109,9 @@ void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt) 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) 4096); + resy = llmin(resy, (U32) 4096); + stop_glerror(); release(); stop_glerror(); @@ -146,7 +151,7 @@ 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(); @@ -163,10 +168,19 @@ 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; @@ -224,7 +238,7 @@ bool LLRenderTarget::addColorAttachment(U32 color_fmt) check_framebuffer_status(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); } mTex.push_back(tex); @@ -313,7 +327,7 @@ void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target) check_framebuffer_status(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, sCurFBO); target.mUseDepth = true; } @@ -376,9 +390,13 @@ void LLRenderTarget::bindTarget() { if (mFBO) { + mPreviousFBO = sCurFBO; + stop_glerror(); glBindFramebuffer(GL_FRAMEBUFFER, mFBO); + sCurFBO = mFBO; + stop_glerror(); if (gGLManager.mHasDrawBuffers) { //setup multiple render targets @@ -404,16 +422,6 @@ void LLRenderTarget::bindTarget() sBoundTarget = this; } -// static -void LLRenderTarget::unbindTarget() -{ - if (gGLManager.mHasFramebufferObject) - { - glBindFramebuffer(GL_FRAMEBUFFER, 0); - } - sBoundTarget = NULL; -} - void LLRenderTarget::clear(U32 mask_in) { U32 mask = GL_COLOR_BUFFER_BIT; @@ -479,7 +487,8 @@ void LLRenderTarget::flush(bool fetch_depth) else { stop_glerror(); - glBindFramebuffer(GL_FRAMEBUFFER, 0); + glBindFramebuffer(GL_FRAMEBUFFER, mPreviousFBO); + sCurFBO = mPreviousFBO; stop_glerror(); } } @@ -509,7 +518,7 @@ 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 @@ -526,7 +535,7 @@ 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(); } } @@ -552,7 +561,7 @@ 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(); } } |