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-rwxr-xr-x[-rw-r--r--]indra/llrender/llshadermgr.cpp926
1 files changed, 817 insertions, 109 deletions
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 1286e91e49..b2be3cc3b6 100644..100755
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -2,31 +2,25 @@
* @file llshadermgr.cpp
* @brief Shader manager implementation.
*
- * $LicenseInfo:firstyear=2005&license=viewergpl$
- *
- * Copyright (c) 2005-2009, Linden Research, Inc.
- *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
*
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
@@ -79,7 +73,11 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
{
llassert_always(shader != NULL);
LLShaderFeatures *features = & shader->mFeatures;
-
+
+ if (features->attachNothing)
+ {
+ return TRUE;
+ }
//////////////////////////////////////
// Attach Vertex Shader Features First
//////////////////////////////////////
@@ -87,29 +85,42 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
// NOTE order of shader object attaching is VERY IMPORTANT!!!
if (features->calculatesAtmospherics)
{
- if (!shader->attachObject("windlight/atmosphericsVarsV.glsl"))
+ if (features->hasWaterFog)
+ {
+ if (!shader->attachObject("windlight/atmosphericsVarsWaterV.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else if (!shader->attachObject("windlight/atmosphericsVarsV.glsl"))
{
return FALSE;
}
}
- if (features->calculatesLighting)
+ if (features->calculatesLighting || features->atmosphericHelpers)
{
if (!shader->attachObject("windlight/atmosphericsHelpersV.glsl"))
{
return FALSE;
}
+ }
+ if (features->calculatesLighting)
+ {
if (features->isSpecular)
{
if (!shader->attachObject("lighting/lightFuncSpecularV.glsl"))
{
return FALSE;
}
-
- if (!shader->attachObject("lighting/sumLightsSpecularV.glsl"))
+
+ if (!features->isAlphaLighting)
{
- return FALSE;
+ if (!shader->attachObject("lighting/sumLightsSpecularV.glsl"))
+ {
+ return FALSE;
+ }
}
if (!shader->attachObject("lighting/lightSpecularV.glsl"))
@@ -124,9 +135,12 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
return FALSE;
}
- if (!shader->attachObject("lighting/sumLightsV.glsl"))
+ if (!features->isAlphaLighting)
{
- return FALSE;
+ if (!shader->attachObject("lighting/sumLightsV.glsl"))
+ {
+ return FALSE;
+ }
}
if (!shader->attachObject("lighting/lightV.glsl"))
@@ -152,6 +166,14 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
return FALSE;
}
}
+
+ if (features->hasObjectSkinning)
+ {
+ if (!shader->attachObject("avatar/objectSkinV.glsl"))
+ {
+ return FALSE;
+ }
+ }
///////////////////////////////////////
// Attach Fragment Shader Features Next
@@ -159,7 +181,14 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
if(features->calculatesAtmospherics)
{
- if (!shader->attachObject("windlight/atmosphericsVarsF.glsl"))
+ if (features->hasWaterFog)
+ {
+ if (!shader->attachObject("windlight/atmosphericsVarsWaterF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else if (!shader->attachObject("windlight/atmosphericsVarsF.glsl"))
{
return FALSE;
}
@@ -204,49 +233,196 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
if (features->hasLighting)
{
-
if (features->hasWaterFog)
{
- if (!shader->attachObject("lighting/lightWaterF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightWaterAlphaMaskNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightWaterNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ }
+ else
+ {
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightWaterAlphaMaskF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightWaterF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
}
else
{
- if (!shader->attachObject("lighting/lightF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightAlphaMaskNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ }
+ else
+ {
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightAlphaMaskF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
- }
+ }
}
// NOTE order of shader object attaching is VERY IMPORTANT!!!
else if (features->isFullbright)
{
- if (features->hasWaterFog)
+ if (features->isShiny && features->hasWaterFog)
{
- if (!shader->attachObject("lighting/lightFullbrightWaterF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+ if (!shader->attachObject("lighting/lightFullbrightShinyWaterNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightFullbrightShinyWaterF.glsl"))
+ {
+ return FALSE;
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
+ }
+ }
+ else if (features->hasWaterFog)
+ {
+ if (features->disableTextureIndex)
+ {
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightFullbrightWaterNonIndexedAlphaMaskF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else if (!shader->attachObject("lighting/lightFullbrightWaterNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightFullbrightWaterAlphaMaskF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else if (!shader->attachObject("lighting/lightFullbrightWaterF.glsl"))
+ {
+ return FALSE;
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
}
else if (features->isShiny)
{
- if (!shader->attachObject("lighting/lightFullbrightShinyF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+ if (!shader->attachObject("lighting/lightFullbrightShinyNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightFullbrightShinyF.glsl"))
+ {
+ return FALSE;
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
}
else
{
- if (!shader->attachObject("lighting/lightFullbrightF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightFullbrightNonIndexedAlphaMaskF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightFullbrightNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ }
+ else
+ {
+ if (features->hasAlphaMask)
+ {
+ if (!shader->attachObject("lighting/lightFullbrightAlphaMaskF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightFullbrightF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
}
}
@@ -257,20 +433,58 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
if (features->hasWaterFog)
{
- if (!shader->attachObject("lighting/lightShinyWaterF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+ if (!shader->attachObject("lighting/lightShinyWaterNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightShinyWaterF.glsl"))
+ {
+ return FALSE;
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
}
else
{
- if (!shader->attachObject("lighting/lightShinyF.glsl"))
+ if (features->disableTextureIndex)
{
- return FALSE;
+ if (!shader->attachObject("lighting/lightShinyNonIndexedF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("lighting/lightShinyF.glsl"))
+ {
+ return FALSE;
+ }
+ shader->mFeatures.mIndexedTextureChannels = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
}
}
+
+ if (features->mIndexedTextureChannels <= 1)
+ {
+ if (!shader->attachObject("objects/nonindexedTextureV.glsl"))
+ {
+ return FALSE;
+ }
+ }
+ else
+ {
+ if (!shader->attachObject("objects/indexedTextureV.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
return TRUE;
}
@@ -295,9 +509,25 @@ static std::string get_object_log(GLhandleARB ret)
return res;
}
-void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns)
+void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns, const std::string& filename)
{
std::string log = get_object_log(ret);
+
+ if (log.length() > 0 || warns)
+ {
+ if (!filename.empty())
+ {
+ if (warns)
+ {
+ LL_WARNS("ShaderLoading") << "From " << filename << ":" << LL_ENDL;
+ }
+ else
+ {
+ LL_INFOS("ShaderLoading") << "From " << filename << ":" << LL_ENDL;
+ }
+ }
+ }
+
if ( log.length() > 0 )
{
if (warns)
@@ -306,18 +536,21 @@ void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns)
}
else
{
- LL_DEBUGS("ShaderLoading") << log << LL_ENDL;
+ LL_INFOS("ShaderLoading") << log << LL_ENDL;
}
}
-}
+ }
-GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type)
+GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, boost::unordered_map<std::string, std::string>* defines, S32 texture_index_channels)
{
- GLenum error;
- error = glGetError();
- if (error != GL_NO_ERROR)
+ GLenum error = GL_NO_ERROR;
+ if (gDebugGL)
{
- LL_WARNS("ShaderLoading") << "GL ERROR entering loadShaderFile(): " << error << LL_ENDL;
+ error = glGetError();
+ if (error != GL_NO_ERROR)
+ {
+ LL_WARNS("ShaderLoading") << "GL ERROR entering loadShaderFile(): " << error << LL_ENDL;
+ }
}
LL_DEBUGS("ShaderLoading") << "Loading shader file: " << filename << " class " << shader_level << LL_ENDL;
@@ -345,7 +578,7 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
file = LLFile::fopen(fname.str(), "r"); /* Flawfinder: ignore */
if (file)
{
- LL_INFOS("ShaderLoading") << "Loading file: shaders/class" << gpu_class << "/" << filename << " (Want class " << gpu_class << ")" << LL_ENDL;
+ LL_DEBUGS("ShaderLoading") << "Loading file: shaders/class" << gpu_class << "/" << filename << " (Want class " << gpu_class << ")" << LL_ENDL;
break; // done
}
}
@@ -357,14 +590,202 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
}
//we can't have any lines longer than 1024 characters
- //or any shaders longer than 1024 lines... deal - DaveP
+ //or any shaders longer than 4096 lines... deal - DaveP
GLcharARB buff[1024];
- GLcharARB* text[1024];
+ GLcharARB* text[4096];
GLuint count = 0;
+ S32 major_version = gGLManager.mGLSLVersionMajor;
+ S32 minor_version = gGLManager.mGLSLVersionMinor;
+
+ if (major_version == 1 && minor_version < 30)
+ {
+ if (minor_version < 10)
+ {
+ //should NEVER get here -- if major version is 1 and minor version is less than 10,
+ // viewer should never attempt to use shaders, continuing will result in undefined behavior
+ LL_ERRS() << "Unsupported GLSL Version." << LL_ENDL;
+ }
+
+ if (minor_version <= 19)
+ {
+ text[count++] = strdup("#version 110\n");
+ text[count++] = strdup("#define ATTRIBUTE attribute\n");
+ text[count++] = strdup("#define VARYING varying\n");
+ text[count++] = strdup("#define VARYING_FLAT varying\n");
+ }
+ else if (minor_version <= 29)
+ {
+ //set version to 1.20
+ text[count++] = strdup("#version 120\n");
+ text[count++] = strdup("#define FXAA_GLSL_120 1\n");
+ text[count++] = strdup("#define FXAA_FAST_PIXEL_OFFSET 0\n");
+ text[count++] = strdup("#define ATTRIBUTE attribute\n");
+ text[count++] = strdup("#define VARYING varying\n");
+ text[count++] = strdup("#define VARYING_FLAT varying\n");
+ }
+ }
+ else
+ {
+ if (major_version < 4)
+ {
+ //set version to 1.30
+ text[count++] = strdup("#version 130\n");
+
+ //some implementations of GLSL 1.30 require integer precision be explicitly declared
+ text[count++] = strdup("precision mediump int;\n");
+ text[count++] = strdup("precision highp float;\n");
+ }
+ else
+ { //set version to 400
+ text[count++] = strdup("#version 400\n");
+ }
+
+ text[count++] = strdup("#define DEFINE_GL_FRAGCOLOR 1\n");
+ text[count++] = strdup("#define FXAA_GLSL_130 1\n");
+
+ text[count++] = strdup("#define ATTRIBUTE in\n");
+
+ if (type == GL_VERTEX_SHADER_ARB)
+ { //"varying" state is "out" in a vertex program, "in" in a fragment program
+ // ("varying" is deprecated after version 1.20)
+ text[count++] = strdup("#define VARYING out\n");
+ text[count++] = strdup("#define VARYING_FLAT flat out\n");
+ }
+ else
+ {
+ text[count++] = strdup("#define VARYING in\n");
+ text[count++] = strdup("#define VARYING_FLAT flat in\n");
+ }
+
+ //backwards compatibility with legacy texture lookup syntax
+ text[count++] = strdup("#define texture2D texture\n");
+ text[count++] = strdup("#define textureCube texture\n");
+ text[count++] = strdup("#define texture2DLod textureLod\n");
+ text[count++] = strdup("#define shadow2D(a,b) vec2(texture(a,b))\n");
+
+ if (major_version > 1 || minor_version >= 40)
+ { //GLSL 1.40 replaces texture2DRect et al with texture
+ text[count++] = strdup("#define texture2DRect texture\n");
+ text[count++] = strdup("#define shadow2DRect(a,b) vec2(texture(a,b))\n");
+ }
+ }
+
+ if (defines)
+ {
+ for (boost::unordered_map<std::string,std::string>::iterator iter = defines->begin(); iter != defines->end(); ++iter)
+ {
+ std::string define = "#define " + iter->first + " " + iter->second + "\n";
+ text[count++] = (GLcharARB *) strdup(define.c_str());
+ }
+ }
+
+ if( gGLManager.mIsATI )
+ {
+ text[ count++ ] = strdup( "#define IS_AMD_CARD 1\n" );
+ }
+
+ if (texture_index_channels > 0 && type == GL_FRAGMENT_SHADER_ARB)
+ {
+ //use specified number of texture channels for indexed texture rendering
+
+ /* prepend shader code that looks like this:
+
+ uniform sampler2D tex0;
+ uniform sampler2D tex1;
+ uniform sampler2D tex2;
+ .
+ .
+ .
+ uniform sampler2D texN;
+
+ VARYING_FLAT ivec4 vary_texture_index;
+
+ vec4 ret = vec4(1,0,1,1);
+
+ vec4 diffuseLookup(vec2 texcoord)
+ {
+ switch (vary_texture_index.r))
+ {
+ case 0: ret = texture2D(tex0, texcoord); break;
+ case 1: ret = texture2D(tex1, texcoord); break;
+ case 2: ret = texture2D(tex2, texcoord); break;
+ .
+ .
+ .
+ case N: return texture2D(texN, texcoord); break;
+ }
+
+ return ret;
+ }
+ */
+
+ text[count++] = strdup("#define HAS_DIFFUSE_LOOKUP 1\n");
+
+ //uniform declartion
+ for (S32 i = 0; i < texture_index_channels; ++i)
+ {
+ std::string decl = llformat("uniform sampler2D tex%d;\n", i);
+ text[count++] = strdup(decl.c_str());
+ }
+
+ if (texture_index_channels > 1)
+ {
+ text[count++] = strdup("VARYING_FLAT int vary_texture_index;\n");
+ }
+
+ text[count++] = strdup("vec4 diffuseLookup(vec2 texcoord)\n");
+ text[count++] = strdup("{\n");
+
+
+ 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 (major_version > 1 || minor_version >= 30)
+ { //switches are supported in GLSL 1.30 and later
+ if (gGLManager.mIsNVIDIA)
+ { //switches are unreliable on some NVIDIA drivers
+ for (U32 i = 0; i < texture_index_channels; ++i)
+ {
+ std::string if_string = llformat("\t%sif (vary_texture_index == %d) { return texture2D(tex%d, texcoord); }\n", i > 0 ? "else " : "", i, i);
+ text[count++] = strdup(if_string.c_str());
+ }
+ text[count++] = strdup("\treturn vec4(1,0,1,1);\n");
+ text[count++] = strdup("}\n");
+ }
+ else
+ {
+ text[count++] = strdup("\tvec4 ret = vec4(1,0,1,1);\n");
+ text[count++] = strdup("\tswitch (vary_texture_index)\n");
+ text[count++] = strdup("\t{\n");
+
+ //switch body
+ for (S32 i = 0; i < texture_index_channels; ++i)
+ {
+ std::string case_str = llformat("\t\tcase %d: return texture2D(tex%d, texcoord);\n", i, i);
+ text[count++] = strdup(case_str.c_str());
+ }
+
+ text[count++] = strdup("\t}\n");
+ text[count++] = strdup("\treturn ret;\n");
+ text[count++] = strdup("}\n");
+ }
+ }
+ else
+ { //should never get here. Indexed texture rendering requires GLSL 1.30 or later
+ // (for passing integers between vertex and fragment shaders)
+ LL_ERRS() << "Indexed texture rendering requires GLSL 1.30 or later." << LL_ENDL;
+ }
+ }
+ else
+ {
+ text[count++] = strdup("#define HAS_DIFFUSE_LOOKUP 0\n");
+ }
//copy file into memory
- while( fgets((char *)buff, 1024, file) != NULL && count < LL_ARRAY_SIZE(buff) )
+ while( fgets((char *)buff, 1024, file) != NULL && count < LL_ARRAY_SIZE(text) )
{
text[count++] = (GLcharARB *)strdup((char *)buff);
}
@@ -372,48 +793,85 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
//create shader object
GLhandleARB ret = glCreateShaderObjectARB(type);
- error = glGetError();
- if (error != GL_NO_ERROR)
+ if (gDebugGL)
{
- LL_WARNS("ShaderLoading") << "GL ERROR in glCreateShaderObjectARB: " << error << LL_ENDL;
+ error = glGetError();
+ if (error != GL_NO_ERROR)
+ {
+ LL_WARNS("ShaderLoading") << "GL ERROR in glCreateShaderObjectARB: " << error << LL_ENDL;
+ }
}
- else
+
+ //load source
+ glShaderSourceARB(ret, count, (const GLcharARB**) text, NULL);
+
+ if (gDebugGL)
{
- //load source
- glShaderSourceARB(ret, count, (const GLcharARB**) text, NULL);
error = glGetError();
if (error != GL_NO_ERROR)
{
LL_WARNS("ShaderLoading") << "GL ERROR in glShaderSourceARB: " << error << LL_ENDL;
}
- else
- {
- //compile source
- glCompileShaderARB(ret);
- error = glGetError();
- if (error != GL_NO_ERROR)
- {
- LL_WARNS("ShaderLoading") << "GL ERROR in glCompileShaderARB: " << error << LL_ENDL;
- }
- }
}
- //free memory
- for (GLuint i = 0; i < count; i++)
+
+ //compile source
+ glCompileShaderARB(ret);
+
+ if (gDebugGL)
{
- free(text[i]);
+ error = glGetError();
+ if (error != GL_NO_ERROR)
+ {
+ LL_WARNS("ShaderLoading") << "GL ERROR in glCompileShaderARB: " << error << LL_ENDL;
+ }
}
+
if (error == GL_NO_ERROR)
{
//check for errors
GLint success = GL_TRUE;
glGetObjectParameterivARB(ret, GL_OBJECT_COMPILE_STATUS_ARB, &success);
- error = glGetError();
- if (error != GL_NO_ERROR || success == GL_FALSE)
+ if (gDebugGL || success == GL_FALSE)
{
- //an error occured, print log
- LL_WARNS("ShaderLoading") << "GLSL Compilation Error: (" << error << ") in " << filename << LL_ENDL;
- dumpObjectLog(ret);
- ret = 0;
+ error = glGetError();
+ if (error != GL_NO_ERROR || success == GL_FALSE)
+ {
+ //an error occured, print log
+ LL_WARNS("ShaderLoading") << "GLSL Compilation Error:" << LL_ENDL;
+ dumpObjectLog(ret, TRUE, filename);
+#if LL_WINDOWS
+ std::stringstream ostr;
+ //dump shader source for debugging
+ for (GLuint i = 0; i < count; i++)
+ {
+ ostr << i << ": " << text[i];
+
+ if (i % 128 == 0)
+ { //dump every 128 lines
+
+ LL_WARNS("ShaderLoading") << "\n" << ostr.str() << LL_ENDL;
+ ostr = std::stringstream();
+ }
+
+ }
+
+ LL_WARNS("ShaderLoading") << "\n" << ostr.str() << LL_ENDL;
+#else
+ std::string str;
+
+ for (GLuint i = 0; i < count; i++) {
+ str.append(text[i]);
+
+ if (i % 128 == 0)
+ {
+ LL_WARNS("ShaderLoading") << str << LL_ENDL;
+ str = "";
+ }
+ }
+#endif
+
+ ret = 0;
+ }
}
}
else
@@ -422,6 +880,12 @@ 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)
{
@@ -434,7 +898,7 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
if (shader_level > 1)
{
shader_level--;
- return loadShaderFile(filename,shader_level,type);
+ return loadShaderFile(filename,shader_level,type, defines, texture_index_channels);
}
LL_WARNS("ShaderLoading") << "Failed to load " << filename << LL_ENDL;
}
@@ -453,28 +917,42 @@ BOOL LLShaderMgr::linkProgramObject(GLhandleARB obj, BOOL suppress_errors)
LL_WARNS("ShaderLoading") << "GLSL Linker Error:" << LL_ENDL;
}
-// NOTE: Removing LL_DARWIN block as it doesn't seem to actually give the correct answer,
-// but want it for reference once I move it.
-#if 0
- // Force an evaluation of the gl state so the driver can tell if the shader will run in hardware or software
- // per Apple's suggestion
- glBegin(gGL.mMode);
- glEnd();
+#if LL_DARWIN
- // Query whether the shader can or cannot run in hardware
- // http://developer.apple.com/qa/qa2007/qa1502.html
- long vertexGPUProcessing;
- CGLContextObj ctx = CGLGetCurrentContext();
- CGLGetParameter (ctx, kCGLCPGPUVertexProcessing, &vertexGPUProcessing);
- long fragmentGPUProcessing;
- CGLGetParameter (ctx, kCGLCPGPUFragmentProcessing, &fragmentGPUProcessing);
- if (!fragmentGPUProcessing || !vertexGPUProcessing)
+ // For some reason this absolutely kills the frame rate when VBO's are enabled
+ if (0)
{
- LL_WARNS("ShaderLoading") << "GLSL Linker: Running in Software:" << LL_ENDL;
- success = GL_FALSE;
- suppress_errors = FALSE;
+ // Force an evaluation of the gl state so the driver can tell if the shader will run in hardware or software
+ // per Apple's suggestion
+ LLGLSLShader::sNoFixedFunction = false;
+
+ glUseProgramObjectARB(obj);
+
+ gGL.begin(LLRender::TRIANGLES);
+ gGL.vertex3f(0.0f, 0.0f, 0.0f);
+ gGL.vertex3f(0.0f, 0.0f, 0.0f);
+ gGL.vertex3f(0.0f, 0.0f, 0.0f);
+ gGL.end();
+ gGL.flush();
+
+ glUseProgramObjectARB(0);
+
+ LLGLSLShader::sNoFixedFunction = true;
+
+ // Query whether the shader can or cannot run in hardware
+ // http://developer.apple.com/qa/qa2007/qa1502.html
+ GLint vertexGPUProcessing, fragmentGPUProcessing;
+ CGLContextObj ctx = CGLGetCurrentContext();
+ CGLGetParameter(ctx, kCGLCPGPUVertexProcessing, &vertexGPUProcessing);
+ CGLGetParameter(ctx, kCGLCPGPUFragmentProcessing, &fragmentGPUProcessing);
+ if (!fragmentGPUProcessing || !vertexGPUProcessing)
+ {
+ LL_WARNS("ShaderLoading") << "GLSL Linker: Running in Software:" << LL_ENDL;
+ success = GL_FALSE;
+ suppress_errors = FALSE;
+ }
}
-
+
#else
std::string log = get_object_log(obj);
LLStringUtil::toLower(log);
@@ -485,11 +963,6 @@ BOOL LLShaderMgr::linkProgramObject(GLhandleARB obj, BOOL suppress_errors)
suppress_errors = FALSE;
}
#endif
- if (!suppress_errors)
- {
- dumpObjectLog(obj, !success);
- }
-
return success;
}
@@ -512,3 +985,238 @@ BOOL LLShaderMgr::validateProgramObject(GLhandleARB obj)
return success;
}
+//virtual
+void LLShaderMgr::initAttribsAndUniforms()
+{
+ //MUST match order of enum in LLVertexBuffer.h
+ mReservedAttribs.push_back("position");
+ mReservedAttribs.push_back("normal");
+ mReservedAttribs.push_back("texcoord0");
+ mReservedAttribs.push_back("texcoord1");
+ mReservedAttribs.push_back("texcoord2");
+ mReservedAttribs.push_back("texcoord3");
+ mReservedAttribs.push_back("diffuse_color");
+ mReservedAttribs.push_back("emissive");
+ mReservedAttribs.push_back("tangent");
+ mReservedAttribs.push_back("weight");
+ mReservedAttribs.push_back("weight4");
+ mReservedAttribs.push_back("clothing");
+ mReservedAttribs.push_back("texture_index");
+
+ //matrix state
+ mReservedUniforms.push_back("modelview_matrix");
+ mReservedUniforms.push_back("projection_matrix");
+ mReservedUniforms.push_back("inv_proj");
+ mReservedUniforms.push_back("modelview_projection_matrix");
+ mReservedUniforms.push_back("normal_matrix");
+ mReservedUniforms.push_back("texture_matrix0");
+ mReservedUniforms.push_back("texture_matrix1");
+ mReservedUniforms.push_back("texture_matrix2");
+ mReservedUniforms.push_back("texture_matrix3");
+ mReservedUniforms.push_back("object_plane_s");
+ mReservedUniforms.push_back("object_plane_t");
+ llassert(mReservedUniforms.size() == LLShaderMgr::OBJECT_PLANE_T+1);
+
+ mReservedUniforms.push_back("viewport");
+
+ mReservedUniforms.push_back("light_position");
+ mReservedUniforms.push_back("light_direction");
+ mReservedUniforms.push_back("light_attenuation");
+ mReservedUniforms.push_back("light_diffuse");
+ mReservedUniforms.push_back("light_ambient");
+ mReservedUniforms.push_back("light_count");
+ mReservedUniforms.push_back("light");
+ mReservedUniforms.push_back("light_col");
+ mReservedUniforms.push_back("far_z");
+
+ llassert(mReservedUniforms.size() == LLShaderMgr::MULTI_LIGHT_FAR_Z+1);
+
+
+ mReservedUniforms.push_back("proj_mat");
+ mReservedUniforms.push_back("proj_near");
+ mReservedUniforms.push_back("proj_p");
+ mReservedUniforms.push_back("proj_n");
+ mReservedUniforms.push_back("proj_origin");
+ mReservedUniforms.push_back("proj_range");
+ mReservedUniforms.push_back("proj_ambiance");
+ mReservedUniforms.push_back("proj_shadow_idx");
+ mReservedUniforms.push_back("shadow_fade");
+ mReservedUniforms.push_back("proj_focus");
+ mReservedUniforms.push_back("proj_lod");
+ mReservedUniforms.push_back("proj_ambient_lod");
+
+ llassert(mReservedUniforms.size() == LLShaderMgr::PROJECTOR_AMBIENT_LOD+1);
+
+ mReservedUniforms.push_back("color");
+
+ mReservedUniforms.push_back("diffuseMap");
+ mReservedUniforms.push_back("specularMap");
+ mReservedUniforms.push_back("bumpMap");
+ mReservedUniforms.push_back("environmentMap");
+ mReservedUniforms.push_back("cloude_noise_texture");
+ mReservedUniforms.push_back("fullbright");
+ mReservedUniforms.push_back("lightnorm");
+ mReservedUniforms.push_back("sunlight_color_copy");
+ mReservedUniforms.push_back("ambient");
+ mReservedUniforms.push_back("blue_horizon");
+ mReservedUniforms.push_back("blue_density");
+ mReservedUniforms.push_back("haze_horizon");
+ mReservedUniforms.push_back("haze_density");
+ mReservedUniforms.push_back("cloud_shadow");
+ mReservedUniforms.push_back("density_multiplier");
+ mReservedUniforms.push_back("distance_multiplier");
+ mReservedUniforms.push_back("max_y");
+ mReservedUniforms.push_back("glow");
+ mReservedUniforms.push_back("cloud_color");
+ mReservedUniforms.push_back("cloud_pos_density1");
+ mReservedUniforms.push_back("cloud_pos_density2");
+ mReservedUniforms.push_back("cloud_scale");
+ mReservedUniforms.push_back("gamma");
+ mReservedUniforms.push_back("scene_light_strength");
+
+ llassert(mReservedUniforms.size() == LLShaderMgr::SCENE_LIGHT_STRENGTH+1);
+
+ mReservedUniforms.push_back("center");
+ mReservedUniforms.push_back("size");
+ mReservedUniforms.push_back("falloff");
+
+ mReservedUniforms.push_back("box_center");
+ mReservedUniforms.push_back("box_size");
+
+
+ mReservedUniforms.push_back("minLuminance");
+ mReservedUniforms.push_back("maxExtractAlpha");
+ mReservedUniforms.push_back("lumWeights");
+ mReservedUniforms.push_back("warmthWeights");
+ mReservedUniforms.push_back("warmthAmount");
+ mReservedUniforms.push_back("glowStrength");
+ mReservedUniforms.push_back("glowDelta");
+
+ llassert(mReservedUniforms.size() == LLShaderMgr::GLOW_DELTA+1);
+
+
+ mReservedUniforms.push_back("minimum_alpha");
+ mReservedUniforms.push_back("emissive_brightness");
+
+ mReservedUniforms.push_back("shadow_matrix");
+ mReservedUniforms.push_back("env_mat");
+ mReservedUniforms.push_back("shadow_clip");
+ mReservedUniforms.push_back("sun_wash");
+ mReservedUniforms.push_back("shadow_noise");
+ mReservedUniforms.push_back("blur_size");
+ mReservedUniforms.push_back("ssao_radius");
+ mReservedUniforms.push_back("ssao_max_radius");
+ mReservedUniforms.push_back("ssao_factor");
+ mReservedUniforms.push_back("ssao_factor_inv");
+ mReservedUniforms.push_back("ssao_effect_mat");
+ mReservedUniforms.push_back("screen_res");
+ mReservedUniforms.push_back("near_clip");
+ mReservedUniforms.push_back("shadow_offset");
+ mReservedUniforms.push_back("shadow_bias");
+ mReservedUniforms.push_back("spot_shadow_bias");
+ mReservedUniforms.push_back("spot_shadow_offset");
+ mReservedUniforms.push_back("sun_dir");
+ mReservedUniforms.push_back("shadow_res");
+ mReservedUniforms.push_back("proj_shadow_res");
+ mReservedUniforms.push_back("depth_cutoff");
+ mReservedUniforms.push_back("norm_cutoff");
+ mReservedUniforms.push_back("shadow_target_width");
+
+ llassert(mReservedUniforms.size() == LLShaderMgr::DEFERRED_SHADOW_TARGET_WIDTH+1);
+
+ mReservedUniforms.push_back("tc_scale");
+ mReservedUniforms.push_back("rcp_screen_res");
+ mReservedUniforms.push_back("rcp_frame_opt");
+ mReservedUniforms.push_back("rcp_frame_opt2");
+
+ mReservedUniforms.push_back("focal_distance");
+ mReservedUniforms.push_back("blur_constant");
+ mReservedUniforms.push_back("tan_pixel_angle");
+ mReservedUniforms.push_back("magnification");
+ mReservedUniforms.push_back("max_cof");
+ mReservedUniforms.push_back("res_scale");
+ mReservedUniforms.push_back("dof_width");
+ mReservedUniforms.push_back("dof_height");
+
+ mReservedUniforms.push_back("depthMap");
+ mReservedUniforms.push_back("shadowMap0");
+ mReservedUniforms.push_back("shadowMap1");
+ mReservedUniforms.push_back("shadowMap2");
+ mReservedUniforms.push_back("shadowMap3");
+ mReservedUniforms.push_back("shadowMap4");
+ mReservedUniforms.push_back("shadowMap5");
+
+ llassert(mReservedUniforms.size() == LLShaderMgr::DEFERRED_SHADOW5+1);
+
+ mReservedUniforms.push_back("normalMap");
+ mReservedUniforms.push_back("positionMap");
+ mReservedUniforms.push_back("diffuseRect");
+ mReservedUniforms.push_back("specularRect");
+ mReservedUniforms.push_back("noiseMap");
+ mReservedUniforms.push_back("lightFunc");
+ mReservedUniforms.push_back("lightMap");
+ mReservedUniforms.push_back("bloomMap");
+ mReservedUniforms.push_back("projectionMap");
+ mReservedUniforms.push_back("norm_mat");
+
+ mReservedUniforms.push_back("global_gamma");
+ mReservedUniforms.push_back("texture_gamma");
+
+ mReservedUniforms.push_back("specular_color");
+ mReservedUniforms.push_back("env_intensity");
+
+ mReservedUniforms.push_back("matrixPalette");
+ mReservedUniforms.push_back("translationPalette");
+
+ mReservedUniforms.push_back("screenTex");
+ mReservedUniforms.push_back("screenDepth");
+ mReservedUniforms.push_back("refTex");
+ mReservedUniforms.push_back("eyeVec");
+ mReservedUniforms.push_back("time");
+ mReservedUniforms.push_back("d1");
+ mReservedUniforms.push_back("d2");
+ mReservedUniforms.push_back("lightDir");
+ mReservedUniforms.push_back("specular");
+ mReservedUniforms.push_back("lightExp");
+ mReservedUniforms.push_back("waterFogColor");
+ mReservedUniforms.push_back("waterFogDensity");
+ mReservedUniforms.push_back("waterFogKS");
+ mReservedUniforms.push_back("refScale");
+ mReservedUniforms.push_back("waterHeight");
+ mReservedUniforms.push_back("waterPlane");
+ mReservedUniforms.push_back("normScale");
+ mReservedUniforms.push_back("fresnelScale");
+ mReservedUniforms.push_back("fresnelOffset");
+ mReservedUniforms.push_back("blurMultiplier");
+ mReservedUniforms.push_back("sunAngle");
+ mReservedUniforms.push_back("scaledAngle");
+ mReservedUniforms.push_back("sunAngle2");
+
+ mReservedUniforms.push_back("camPosLocal");
+
+ mReservedUniforms.push_back("gWindDir");
+ mReservedUniforms.push_back("gSinWaveParams");
+ mReservedUniforms.push_back("gGravity");
+
+ mReservedUniforms.push_back("detail_0");
+ mReservedUniforms.push_back("detail_1");
+ mReservedUniforms.push_back("detail_2");
+ mReservedUniforms.push_back("detail_3");
+ mReservedUniforms.push_back("alpha_ramp");
+
+ mReservedUniforms.push_back("origin");
+ mReservedUniforms.push_back("display_gamma");
+ llassert(mReservedUniforms.size() == END_RESERVED_UNIFORMS);
+
+ std::set<std::string> dupe_check;
+
+ for (U32 i = 0; i < mReservedUniforms.size(); ++i)
+ {
+ if (dupe_check.find(mReservedUniforms[i]) != dupe_check.end())
+ {
+ LL_ERRS() << "Duplicate reserved uniform name found: " << mReservedUniforms[i] << LL_ENDL;
+ }
+ dupe_check.insert(mReservedUniforms[i]);
+ }
+}
+