diff options
Diffstat (limited to 'indra/llrender/llrendertarget.cpp')
| -rw-r--r-- | indra/llrender/llrendertarget.cpp | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/indra/llrender/llrendertarget.cpp b/indra/llrender/llrendertarget.cpp index b6463309e1..8c0d3592df 100644 --- a/indra/llrender/llrendertarget.cpp +++ b/indra/llrender/llrendertarget.cpp @@ -72,11 +72,11 @@ LLRenderTarget::~LLRenderTarget() release(); } -void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, bool stencil, LLTexUnit::eTextureType usage, bool use_fbo, S32 samples) +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; @@ -103,9 +103,11 @@ void LLRenderTarget::allocate(U32 resx, U32 resy, U32 color_fmt, bool depth, boo { 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); @@ -131,14 +133,14 @@ 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(); @@ -158,14 +160,26 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt) #ifdef GL_ARB_texture_multisample if (mSamples > 1) { + clear_glerror(); glTexImage2DMultisample(LLTexUnit::getInternalType(mUsage), mSamples, color_fmt, mResX, mResY, GL_TRUE); + if (glGetError() != GL_NO_ERROR) + { + llwarns << "Could not allocate multisample color buffer for render target." << llendl; + return false; + } } else #else llassert_always(mSamples <= 1); #endif { + 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; + } } stop_glerror(); @@ -217,15 +231,18 @@ void LLRenderTarget::addColorAttachment(U32 color_fmt) 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); } @@ -237,17 +254,29 @@ void LLRenderTarget::allocateDepth() { U32 internal_type = LLTexUnit::getInternalType(mUsage); gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_POINT); + stop_glerror(); + clear_glerror(); LLImageGL::setManualImage(internal_type, 0, GL_DEPTH_COMPONENT32, mResX, mResY, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL); } #ifdef GL_ARB_texture_multisample else { + stop_glerror(); + clear_glerror(); glTexImage2DMultisample(LLTexUnit::getInternalType(mUsage), mSamples, GL_DEPTH_COMPONENT32, mResX, mResY, GL_TRUE); } #else llassert_always(mSamples <= 1); #endif } + + if (glGetError() != GL_NO_ERROR) + { + llwarns << "Unable to allocate depth buffer for render target." << llendl; + return false; + } + + return true; } void LLRenderTarget::shareDepthBuffer(LLRenderTarget& target) |