diff options
Diffstat (limited to 'indra/llappearance/lltexlayer.cpp')
| -rw-r--r-- | indra/llappearance/lltexlayer.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/indra/llappearance/lltexlayer.cpp b/indra/llappearance/lltexlayer.cpp index 7f7eaf1855..19e4e8ed9d 100644 --- a/indra/llappearance/lltexlayer.cpp +++ b/indra/llappearance/lltexlayer.cpp @@ -1424,6 +1424,12 @@ void LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC size_t mem_size = pixels * bytes_per_pixel; alpha_data = (U8*)ll_aligned_malloc_32(mem_size); + if (!alpha_data) + { + LLError::LLUserWarningMsg::showOutOfMemory(); + LL_ERRS() << "Failed to allocate memory for morph texture: " << (S32)(mem_size) << LL_ENDL; + return; + } bool skip_readback = LLRender::sNsightDebugSupport; // nSight doesn't support use of glReadPixels @@ -1433,6 +1439,12 @@ void LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC { // work-around for broken intel drivers which cannot do glReadPixels on an RGBA FBO // returning only the alpha portion without locking up downstream U8* temp = (U8*)ll_aligned_malloc_32(mem_size << 2); // allocate same size, but RGBA + if (!temp) + { + LLError::LLUserWarningMsg::showOutOfMemory(); + LL_ERRS() << "Failed to allocate temporary memory for morph texture readback: " << (S32)(mem_size << 2) << LL_ENDL; + return; + } if (bound_target) { @@ -1469,6 +1481,12 @@ void LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC // We just want GL_ALPHA, but that isn't supported in OGL core profile 4. static const size_t TEMP_BYTES_PER_PIXEL = 4; U8* temp_data = (U8*)ll_aligned_malloc_32(mem_size * TEMP_BYTES_PER_PIXEL); + if (!temp_data) + { + LLError::LLUserWarningMsg::showOutOfMemory(); + LL_ERRS() << "Failed to allocate temporary memory for morph texture: " << (S32)(mem_size * TEMP_BYTES_PER_PIXEL) << LL_ENDL; + return; + } glReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, temp_data); for (size_t pixel = 0; pixel < pixels; pixel++) { alpha_data[pixel] = temp_data[(pixel * TEMP_BYTES_PER_PIXEL) + 3]; |