From b93a23aa828a2ee6de206fe3c74d1b0f3e116db1 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 13 Jun 2012 18:05:56 -0500 Subject: MAINT-1147 Fix for frame stall on region crossing. --- indra/llrender/llimagegl.cpp | 2 ++ indra/llrender/llrendertarget.cpp | 36 ++++++++++++++++++++++++++++++++++++ indra/llrender/llrendertarget.h | 8 ++++++-- 3 files changed, 44 insertions(+), 2 deletions(-) (limited to 'indra/llrender') diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp index 793fd4be31..fb03b3f956 100644 --- a/indra/llrender/llimagegl.cpp +++ b/indra/llrender/llimagegl.cpp @@ -285,9 +285,11 @@ S32 LLImageGL::dataFormatComponents(S32 dataformat) //---------------------------------------------------------------------------- +static LLFastTimer::DeclareTimer FTM_IMAGE_UPDATE_STATS("Image Stats"); // static void LLImageGL::updateStats(F32 current_time) { + LLFastTimer t(FTM_IMAGE_UPDATE_STATS); sLastFrameTime = current_time; sBoundTextureMemoryInBytes = sCurBoundTextureMemory; sCurBoundTextureMemory = 0; diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index 99f0da330c..cc5c232380 100644 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -69,6 +69,42 @@ LLRenderTarget::~LLRenderTarget() release(); } +void LLRenderTarget::resize(U32 resx, U32 resy, U32 color_fmt) +{ + //for accounting, get the number of pixels added/subtracted + S32 pix_diff = (resx*resy)-(mResX*mResY); + + mResX = resx; + mResY = resy; + + for (U32 i = 0; i < mTex.size(); ++i) + { //resize color attachments + gGL.getTexUnit(0)->bindManual(mUsage, mTex[i]); + LLImageGL::setManualImage(LLTexUnit::getInternalType(mUsage), 0, color_fmt, 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) { stop_glerror(); diff --git a/indra/llrender/llrendertarget.h b/indra/llrender/llrendertarget.h index 8360458840..e1a51304f1 100644 --- a/indra/llrender/llrendertarget.h +++ b/indra/llrender/llrendertarget.h @@ -57,8 +57,6 @@ */ -class LLMultisampleBuffer; - class LLRenderTarget { public: @@ -74,6 +72,12 @@ public: //multiple calls will release previously allocated resources bool allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage = LLTexUnit::TT_TEXTURE, bool use_fbo = false, S32 samples = 0); + //resize existing attachments to use new resolution and color format + // CAUTION: if the GL runs out of memory attempting to resize, this render target will be undefined + // DO NOT use for screen space buffers or for scratch space for an image that might be uploaded + // DO use for render targets that resize often and aren't likely to ruin someone's day if they break + void resize(U32 resx, U32 resy, U32 color_fmt); + //add color buffer attachment //limit of 4 color attachments per render target bool addColorAttachment(U32 color_fmt); -- cgit v1.2.3