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path: root/indra/llrender/llshadermgr.cpp
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Diffstat (limited to 'indra/llrender/llshadermgr.cpp')
-rw-r--r--indra/llrender/llshadermgr.cpp42
1 files changed, 32 insertions, 10 deletions
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)
{