Initial pass at adding KHR_debug support

This still needs some work - I'm not super satisfied with the overall structure of the code.  Will continue to iterate as I add in proper RenderDoc support.

4 files changed, 35 insertions, 1 deletions

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 55713eea80..f424a01541 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -504,6 +504,10 @@ BOOL LLGLSLShader::createShader(std::vector<LLStaticHashedString> * attributes,
         unbind();
     }
 
+#ifdef LL_PROFILER_ENABLE_TRACY_OPENGL
+    setLabel(mName);
+#endif
+
     return success;
 }
 
@@ -1786,3 +1790,10 @@ void LLShaderUniforms::apply(LLGLSLShader* shader)
         shader->uniform3fv(uniform.mUniform, 1, uniform.mValue.mV);
     }
 }
+
+#ifdef LL_PROFILER_ENABLE_TRACY_OPENGL
+void LLGLSLShader::setLabel(std::string label) {
+    LL_LABEL_OBJECT_GL(GL_PROGRAM, mProgramObject, label.length(), label.c_str());
+}
+
+#endif
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index c26ee014cb..01eca7ebfe 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -294,6 +294,10 @@ public:
     // this pointer should be set to whichever shader represents this shader's rigged variant
     LLGLSLShader* mRiggedVariant = nullptr;
 
+	#ifdef LL_PROFILER_ENABLE_TRACY_OPENGL
+    void setLabel(std::string label);
+	#endif
+
 private:
 	void unloadInternal();
 };
@@ -305,5 +309,10 @@ extern LLGLSLShader			gSolidColorProgram;
 //Alpha mask shader (declared here so llappearance can access properly)
 extern LLGLSLShader			gAlphaMaskProgram;
 
+#ifdef LL_PROFILER_ENABLE_TRACY_OPENGL
+#define LL_SET_SHADER_LABEL(shader) shader.setLabel(#shader)
+#else
+#define LL_SET_SHADER_LABEL(shader, label)
+#endif
 
 #endif
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 981175d845..4ce04c17f6 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -175,7 +175,7 @@ U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
 	{
 		//make a new buffer
 		name = genBuffer();
-		
+
 		glBindBuffer(mType, name);
 
 		if (!for_seed && i < LL_VBO_POOL_SEED_COUNT)
@@ -574,6 +574,10 @@ void LLVertexBuffer::validateRange(U32 start, U32 end, U32 count, U32 indices_of
 	}
 }
 
+void LLVertexBuffer::setLabel(std::string label) {
+	LL_LABEL_OBJECT_GL(GL_BUFFER, mGLBuffer, label.length(), label.c_str());
+}
+
 void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
 {
 	validateRange(start, end, count, indices_offset);
@@ -1068,6 +1072,7 @@ bool LLVertexBuffer::createGLBuffer(U32 size)
 	{
 		static int gl_buffer_idx = 0;
 		mGLBuffer = ++gl_buffer_idx;
+
 		mMappedData = (U8*)ll_aligned_malloc_16(size);
 		mSize = size;
 	}
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index a7907f9cae..a7e5fddf8c 100644
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -300,6 +300,9 @@ public:
 	//for debugging, validate data in given range is valid
 	void validateRange(U32 start, U32 end, U32 count, U32 offset) const;
 
+	#ifdef LL_PROFILER_ENABLE_TRACY_OPENGL
+	void setLabel(std::string label);
+	#endif
 	
 
 protected:	
@@ -370,5 +373,11 @@ public:
 	static U32 sSetCount;
 };
 
+#ifdef LL_PROFILER_ENABLE_TRACY_OPENGL
+#define LL_LABEL_VERTEX_BUFFER(buf, name) buf->setLabel(name)
+#else
+#define LL_LABEL_VERTEX_BUFFER(buf, name)
+#endif
+
 
 #endif // LL_LLVERTEXBUFFER_H