diff options
Diffstat (limited to 'indra/newview/lldrawpoolalpha.cpp')
-rw-r--r-- | indra/newview/lldrawpoolalpha.cpp | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp index 75973cfa54..9a778a063d 100644 --- a/indra/newview/lldrawpoolalpha.cpp +++ b/indra/newview/lldrawpoolalpha.cpp @@ -204,7 +204,12 @@ void LLDrawPoolAlpha::render(S32 pass) } LLGLDepthTest depth(GL_TRUE, LLDrawPoolWater::sSkipScreenCopy ? GL_TRUE : GL_FALSE); + + gGL.setColorMask(true, true); + gGL.blendFunc(LLRender::BF_SOURCE_ALPHA, LLRender::BF_ONE_MINUS_SOURCE_ALPHA, + LLRender::BF_ZERO, LLRender::BF_ONE_MINUS_SOURCE_ALPHA); renderAlpha(getVertexDataMask()); + gGL.setColorMask(true, false); if (deferred_render && current_shader != NULL) { @@ -283,9 +288,18 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask) for (LLCullResult::sg_list_t::iterator i = gPipeline.beginAlphaGroups(); i != gPipeline.endAlphaGroups(); ++i) { LLSpatialGroup* group = *i; + llassert(group); + llassert(group->mSpatialPartition); + if (group->mSpatialPartition->mRenderByGroup && - !group->isDead()) + !group->isDead()) { + bool draw_glow_for_this_partition = mVertexShaderLevel > 0 && // no shaders = no glow. + // All particle systems seem to come off the wire with texture entries which claim that they glow. This is probably a bug in the data. Suppress. + group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_PARTICLE && + group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_CLOUD && + group->mSpatialPartition->mPartitionType != LLViewerRegion::PARTITION_HUD_PARTICLE; + LLSpatialGroup::drawmap_elem_t& draw_info = group->mDrawMap[LLRenderPass::PASS_ALPHA]; for (LLSpatialGroup::drawmap_elem_t::iterator k = draw_info.begin(); k != draw_info.end(); ++k) @@ -385,6 +399,27 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask) params.mVertexBuffer->setBuffer(mask); params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset); gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode); + + // If this alpha mesh has glow, then draw it a second time to add the destination-alpha (=glow). Interleaving these state-changing calls could be expensive, but glow must be drawn Z-sorted with alpha. + if (draw_glow_for_this_partition && + params.mGlowColor.mV[3] > 0) + { + // install glow-accumulating blend mode + gGL.blendFunc(LLRender::BF_ZERO, LLRender::BF_ONE, // don't touch color + LLRender::BF_ONE, LLRender::BF_ONE); // add to alpha (glow) + + // glow doesn't use vertex colors from the mesh data + params.mVertexBuffer->setBuffer(mask & ~LLVertexBuffer::MAP_COLOR); + glColor4ubv(params.mGlowColor.mV); + + // do the actual drawing, again + params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset); + gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode); + + // restore our alpha blend mode + gGL.blendFunc(LLRender::BF_SOURCE_ALPHA, LLRender::BF_ONE_MINUS_SOURCE_ALPHA, + LLRender::BF_ZERO, LLRender::BF_ONE_MINUS_SOURCE_ALPHA); + } if (params.mTextureMatrix && params.mTexture.notNull()) { |