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Add a workaround for the 16 vertex attribute limit on nvidia gl

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This commit is contained in:
James Urquhart 2016-08-06 14:39:40 +01:00
parent 6283a6b9da
commit ace01a313c
4 changed files with 11 additions and 19 deletions
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7
Engine/source/shaderGen/GLSL/shaderCompGLSL.cpp
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@ -26,6 +26,7 @@
#include "shaderGen/shaderComp.h"
#include "shaderGen/langElement.h"
#include "gfx/gfxDevice.h"
#include "gfx/gl/gfxGLVertexAttribLocation.h"
Var * AppVertConnectorGLSL::getElement( RegisterType type,
@ -107,7 +108,8 @@ Var * AppVertConnectorGLSL::getElement( RegisterType type,
newVar->constNum = mCurBlendIndicesElem;
mElementList.push_back(newVar);
char out[32];
dSprintf((char*)out, sizeof(out), "vBlendIndex%d", mCurBlendIndicesElem);
const U32 blendIndicesOffset = Torque::GL_VertexAttrib_BlendIndex0 - Torque::GL_VertexAttrib_TexCoord0;
dSprintf((char*)out, sizeof(out), "vTexCoord%d", blendIndicesOffset + mCurBlendIndicesElem);
mCurBlendIndicesElem += 1;
newVar->setConnectName(out);
return newVar;
@ -119,7 +121,8 @@ Var * AppVertConnectorGLSL::getElement( RegisterType type,
newVar->constNum = mCurBlendWeightsElem;
mElementList.push_back(newVar);
char out[32];
dSprintf((char*)out, sizeof(out), "vBlendWeight%d", mCurBlendWeightsElem);
const U32 blendWeightsOffset = Torque::GL_VertexAttrib_BlendWeight0 - Torque::GL_VertexAttrib_TexCoord0;
dSprintf((char*)out, sizeof(out), "vTexCoord%d", blendWeightsOffset + mCurBlendWeightsElem);
mCurBlendWeightsElem += 1;
newVar->setConnectName(out);
return newVar;