From 28f9fb06a9f4cb9edccb2ff8132c7f6a9b27c060 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Sat, 20 Nov 2021 18:49:19 +0000
Subject: SL-16289 Rigged mesh rendering overhaul

---
 indra/llrender/llglslshader.cpp | 13 +++++++++++++
 indra/llrender/llglslshader.h   |  8 +++++++-
 indra/llrender/llrender.cpp     |  2 +-
 indra/llrender/llshadermgr.cpp  |  5 +++--
 indra/llrender/llshadermgr.h    |  2 +-
 5 files changed, 25 insertions(+), 5 deletions(-)

(limited to 'indra/llrender')

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 08c9dd8769..2f1ce0eec9 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -970,6 +970,19 @@ void LLGLSLShader::bind()
     }
 }
 
+void LLGLSLShader::bind(bool rigged)
+{
+    if (rigged)
+    {
+        llassert(mRiggedVariant);
+        mRiggedVariant->bind();
+    }
+    else
+    {
+        bind();
+    }
+}
+
 void LLGLSLShader::unbind()
 {
     LL_PROFILE_ZONE_SCOPED;
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index 3b23cf1b28..6fdb789087 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -230,6 +230,8 @@ public:
 	
     BOOL link(BOOL suppress_errors = FALSE);
 	void bind();
+    //helper to conditionally bind mRiggedVariant instead of this
+    void bind(bool rigged);
 	void unbind();
 
 	// Unbinds any previously bound shader by explicitly binding no shader.
@@ -267,7 +269,8 @@ public:
 	LLShaderFeatures mFeatures;
 	std::vector< std::pair< std::string, GLenum > > mShaderFiles;
 	std::string mName;
-	boost::unordered_map<std::string, std::string> mDefines;
+    typedef std::unordered_map<std::string, std::string> defines_map_t;
+	defines_map_t mDefines;
 
 	//statistcis for profiling shader performance
 	U32 mTimerQuery;
@@ -285,6 +288,9 @@ public:
 	std::vector<U32> mTextureMagFilter;
 	std::vector<U32> mTextureMinFilter;
 
+    // this pointer should be set to whichever shader represents this shader's rigged variant
+    LLGLSLShader* mRiggedVariant = nullptr;
+
 private:
 	void unloadInternal();
 };
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index aad04beea2..0c180ed50d 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -1283,7 +1283,7 @@ void LLRender::syncLightState()
 
 void LLRender::syncMatrices()
 {
-	static const U32 name[] = 
+    static const U32 name[] = 
 	{
 		LLShaderMgr::MODELVIEW_MATRIX,
 		LLShaderMgr::PROJECTION_MATRIX,
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index e8c6295930..a9a4314afa 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -165,6 +165,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 
 	if (features->hasObjectSkinning)
 	{
+        shader->mRiggedVariant = shader;
         if (!shader->attachVertexObject("avatar/objectSkinV.glsl"))
 		{
 			return FALSE;
@@ -599,7 +600,7 @@ void LLShaderMgr::dumpObjectLog(GLhandleARB ret, BOOL warns, const std::string&
 	}
  }
 
-GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, boost::unordered_map<std::string, std::string>* defines, S32 texture_index_channels)
+GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, std::unordered_map<std::string, std::string>* defines, S32 texture_index_channels)
 {
 
 // endsure work-around for missing GLSL funcs gets propogated to feature shader files (e.g. srgbF.glsl)
@@ -774,7 +775,7 @@ GLhandleARB LLShaderMgr::loadShaderFile(const std::string& filename, S32 & shade
 	
 	if (defines)
 	{
-		for (boost::unordered_map<std::string,std::string>::iterator iter = defines->begin(); iter != defines->end(); ++iter)
+		for (std::unordered_map<std::string,std::string>::iterator iter = defines->begin(); iter != defines->end(); ++iter)
 		{
 			std::string define = "#define " + iter->first + " " + iter->second + "\n";
 			extra_code_text[extra_code_count++] = (GLcharARB *) strdup(define.c_str());
diff --git a/indra/llrender/llshadermgr.h b/indra/llrender/llshadermgr.h
index 3908efd4ec..67c0d6ab10 100644
--- a/indra/llrender/llshadermgr.h
+++ b/indra/llrender/llshadermgr.h
@@ -264,7 +264,7 @@ public:
     void dumpShaderSource(U32 shader_code_count, GLcharARB** shader_code_text);
 	BOOL	linkProgramObject(GLhandleARB obj, BOOL suppress_errors = FALSE);
 	BOOL	validateProgramObject(GLhandleARB obj);
-	GLhandleARB loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, boost::unordered_map<std::string, std::string>* defines = NULL, S32 texture_index_channels = -1);
+	GLhandleARB loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, std::unordered_map<std::string, std::string>* defines = NULL, S32 texture_index_channels = -1);
 
 	// Implemented in the application to actually point to the shader directory.
 	virtual std::string getShaderDirPrefix(void) = 0; // Pure Virtual
-- 
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