From 08ae21f52dbbe6245ac8deee0fdfd5df4d3dba53 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 13 Mar 2013 17:07:22 -0500 Subject: MAINT-2410 Extra Particle Parameters -- viewer implementation Reviewed by Kelly and Graham --- indra/llrender/llvertexbuffer.cpp | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'indra/llrender') diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp index 1d257d8415..4460461e12 100644 --- a/indra/llrender/llvertexbuffer.cpp +++ b/indra/llrender/llvertexbuffer.cpp @@ -2360,7 +2360,8 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask) if (data_mask & MAP_COLOR) { S32 loc = TYPE_COLOR; - void* ptr = (void*)(base + mOffsets[TYPE_COLOR]); + //bind emissive instead of color pointer if emissive is present + void* ptr = (data_mask & MAP_EMISSIVE) ? (void*)(base + mOffsets[TYPE_EMISSIVE]) : (void*)(base + mOffsets[TYPE_COLOR]); glVertexAttribPointerARB(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_COLOR], ptr); } if (data_mask & MAP_EMISSIVE) @@ -2368,6 +2369,12 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask) S32 loc = TYPE_EMISSIVE; void* ptr = (void*)(base + mOffsets[TYPE_EMISSIVE]); glVertexAttribPointerARB(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr); + + if (!(data_mask & MAP_COLOR)) + { //map emissive to color channel when color is not also being bound to avoid unnecessary shader swaps + loc = TYPE_COLOR; + glVertexAttribPointerARB(loc, 4, GL_UNSIGNED_BYTE, GL_TRUE, LLVertexBuffer::sTypeSize[TYPE_EMISSIVE], ptr); + } } if (data_mask & MAP_WEIGHT) { -- cgit v1.2.3