MAINT-6913 - (Via Sovereign Engineer and Shyotl Kuhr) Pack the skinned matrix and translation into a single mat3x4 for optimal data transfer to reduce uniform slot usage.

1 files changed, 17 insertions, 0 deletions

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 58c1186a3e..5d669fb955 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -1257,6 +1257,23 @@ void LLGLSLShader::uniformMatrix3fv(U32 index, U32 count, GLboolean transpose, c
     }
 }
 
+void LLGLSLShader::uniformMatrix3x4fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
+{
+	if (mProgramObject > 0)
+	{	
+		if (mUniform.size() <= index)
+		{
+			UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
+			return;
+		}
+
+		if (mUniform[index] >= 0)
+		{
+			glUniformMatrix3x4fv(mUniform[index], count, transpose, v);
+		}
+	}
+}
+
 void LLGLSLShader::uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
 {
     if (mProgramObject > 0)