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-rw-r--r--indra/llrender/llglslshader.cpp40
1 files changed, 32 insertions, 8 deletions
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 71d24bcf13..2dab757828 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -56,7 +56,7 @@ BOOL shouldChange(const LLVector4& v1, const LLVector4& v2)
LLShaderFeatures::LLShaderFeatures()
: calculatesLighting(false), isShiny(false), isFullbright(false), hasWaterFog(false),
hasTransport(false), hasSkinning(false), hasObjectSkinning(false), hasAtmospherics(false), isSpecular(false),
-hasGamma(false), hasLighting(false), calculatesAtmospherics(false), disableTextureIndex(false)
+hasGamma(false), hasLighting(false), calculatesAtmospherics(false), mIndexedTextureChannels(0), disableTextureIndex(false)
{
}
@@ -107,16 +107,11 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
// Create program
mProgramObject = glCreateProgramObjectARB();
- // Attach existing objects
- if (!LLShaderMgr::instance()->attachShaderFeatures(this))
- {
- return FALSE;
- }
-
+ //compile new source
vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin();
for ( ; fileIter != mShaderFiles.end(); fileIter++ )
{
- GLhandleARB shaderhandle = LLShaderMgr::instance()->loadShaderFile((*fileIter).first, mShaderLevel, (*fileIter).second);
+ GLhandleARB shaderhandle = LLShaderMgr::instance()->loadShaderFile((*fileIter).first, mShaderLevel, (*fileIter).second, mFeatures.mIndexedTextureChannels);
LL_DEBUGS("ShaderLoading") << "SHADER FILE: " << (*fileIter).first << " mShaderLevel=" << mShaderLevel << LL_ENDL;
if (shaderhandle > 0)
{
@@ -128,6 +123,12 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
}
}
+ // Attach existing objects
+ if (!LLShaderMgr::instance()->attachShaderFeatures(this))
+ {
+ return FALSE;
+ }
+
// Map attributes and uniforms
if (success)
{
@@ -149,6 +150,29 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
return createShader(attributes,uniforms);
}
}
+ else if (mFeatures.mIndexedTextureChannels > 0)
+ { //override texture channels for indexed texture rendering
+ bind();
+ S32 channel_count = mFeatures.mIndexedTextureChannels;
+
+ for (S32 i = 0; i < channel_count; i++)
+ {
+ uniform1i(llformat("tex%d", i), i);
+ }
+
+ S32 cur_tex = channel_count; //adjust any texture channels that might have been overwritten
+ for (U32 i = 0; i < mTexture.size(); i++)
+ {
+ if (mTexture[i] > -1 && mTexture[i] < channel_count)
+ {
+ llassert(cur_tex < gGLManager.mNumTextureImageUnits);
+ uniform1i(i, cur_tex);
+ mTexture[i] = cur_tex++;
+ }
+ }
+ unbind();
+ }
+
return success;
}