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authorOz Linden <oz@lindenlab.com>2011-07-21 15:02:03 -0400
committerOz Linden <oz@lindenlab.com>2011-07-21 15:02:03 -0400
commitc118ec209907618c77613990fe2359d4f92802e6 (patch)
treeb2fa95d1fa1563cdee89d2bf035b680c64918c0f /indra/llrender
parent54bb91fd03d0c2f2600993274c59ae89324eeb03 (diff)
parent67e365ba57bb7024a64bc0663782cd7f06b4a5cc (diff)
merge up changes for 2.8.0 release
Diffstat (limited to 'indra/llrender')
-rw-r--r--indra/llrender/llgl.cpp7
-rw-r--r--indra/llrender/llglslshader.cpp10
-rw-r--r--indra/llrender/llrender.cpp2
-rw-r--r--indra/llrender/llshadermgr.cpp42
4 files changed, 50 insertions, 11 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index a3aed4dd8a..c224ab0e9b 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -568,6 +568,13 @@ bool LLGLManager::initGL()
glGetIntegerv(GL_MAX_SAMPLE_MASK_WORDS, &mMaxSampleMaskWords);
}
+#if LL_WINDOWS
+ if (mIsATI)
+ { //using multisample textures on ATI results in black screen for some reason
+ mHasTextureMultisample = FALSE;
+ }
+#endif
+
if (mHasFramebufferObject)
{
glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples);
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 8e99f62de6..ad2c662dfc 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -109,6 +109,11 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
// Create program
mProgramObject = glCreateProgramObjectARB();
+ if (gGLManager.mGLVersion < 3.1f)
+ { //force indexed texture channels to 1 if GL version is old (performance improvement for drivers with poor branching shader model support)
+ mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
+ }
+
//compile new source
vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin();
for ( ; fileIter != mShaderFiles.end(); fileIter++ )
@@ -131,6 +136,11 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes,
return FALSE;
}
+ if (gGLManager.mGLVersion < 3.1f)
+ { //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
+ mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
+ }
+
// Map attributes and uniforms
if (success)
{
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 6a3f186531..1d82dda30f 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -294,7 +294,7 @@ bool LLTexUnit::bind(LLImageGL* texture, bool for_rendering, bool forceBind)
glBindTexture(sGLTextureType[texture->getTarget()], mCurrTexture);
texture->updateBindStats(texture->mTextureMemory);
mHasMipMaps = texture->mHasMipMaps;
- if (mIndex == 0 && texture->mTexOptionsDirty)
+ if (texture->mTexOptionsDirty)
{
texture->mTexOptionsDirty = false;
setTextureAddressMode(texture->mAddressMode);
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index bdc103b917..751b250d96 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -462,7 +462,11 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
GLcharARB* text[1024];
GLuint count = 0;
- if (gGLManager.mGLVersion < 3.f)
+ if (gGLManager.mGLVersion < 2.1f)
+ {
+ text[count++] = strdup("#version 110\n");
+ }
+ else if (gGLManager.mGLVersion < 3.f)
{
//set version to 1.20
text[count++] = strdup("#version 120\n");
@@ -524,7 +528,12 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
text[count++] = strdup("{\n");
- if (gGLManager.mGLVersion >= 3.f)
+ if (texture_index_channels == 1)
+ { //don't use flow control, that's silly
+ text[count++] = strdup("return texture2D(tex0, texcoord);\n");
+ text[count++] = strdup("}\n");
+ }
+ else if (gGLManager.mGLVersion >= 3.f)
{
text[count++] = strdup("\tswitch (int(vary_texture_index+0.25))\n");
text[count++] = strdup("\t{\n");
@@ -537,6 +546,8 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
}
text[count++] = strdup("\t}\n");
+ text[count++] = strdup("\treturn vec4(0,0,0,0);\n");
+ text[count++] = strdup("}\n");
}
else
{
@@ -557,10 +568,10 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
std::string if_str = llformat("if (ti == %d) return texture2D(tex%d, texcoord);\n", i, i);
text[count++] = strdup(if_str.c_str());
}
- }
- text[count++] = strdup("\treturn vec4(0,0,0,0);\n");
- text[count++] = strdup("}\n");
+ text[count++] = strdup("\treturn vec4(0,0,0,0);\n");
+ text[count++] = strdup("}\n");
+ }
}
//copy file into memory
@@ -605,11 +616,6 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
}
}
- //free memory
- for (GLuint i = 0; i < count; i++)
- {
- free(text[i]);
- }
if (error == GL_NO_ERROR)
{
//check for errors
@@ -623,6 +629,16 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
//an error occured, print log
LL_WARNS("ShaderLoading") << "GLSL Compilation Error: (" << error << ") in " << filename << LL_ENDL;
dumpObjectLog(ret);
+
+ std::stringstream ostr;
+ //dump shader source for debugging
+ for (GLuint i = 0; i < count; i++)
+ {
+ ostr << i << ": " << text[i];
+ }
+
+ LL_WARNS("ShaderLoading") << "\n" << ostr.str() << llendl;
+
ret = 0;
}
}
@@ -633,6 +649,12 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
}
stop_glerror();
+ //free memory
+ for (GLuint i = 0; i < count; i++)
+ {
+ free(text[i]);
+ }
+
//successfully loaded, save results
if (ret)
{