From 551dc423a29f452b7af4b4528b7d3b369646758d Mon Sep 17 00:00:00 2001
From: Alex Szpakowski <slime73@gmail.com>
Date: Tue, 3 Jan 2017 23:49:29 -0400
Subject: [PATCH] Improved performance slightly when love.graphics.setColor is
 used heavily with automatic batching.

--HG--
branch : minor
---
 src/modules/graphics/opengl/Graphics.cpp | 4 +---
 src/modules/graphics/opengl/OpenGL.cpp   | 5 +++--
 src/modules/graphics/opengl/OpenGL.h     | 2 +-
 3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/modules/graphics/opengl/Graphics.cpp b/src/modules/graphics/opengl/Graphics.cpp
index 3b1acc5e5..e90b460e3 100644
--- a/src/modules/graphics/opengl/Graphics.cpp
+++ b/src/modules/graphics/opengl/Graphics.cpp
@@ -1232,9 +1232,7 @@ void Graphics::setColor(Colorf c)
 	c.b = std::min(std::max(c.b, 0.0f), 1.0f);
 	c.a = std::min(std::max(c.a, 0.0f), 1.0f);
 
-	Colorf nc = c;
-	gammaCorrectColor(nc);
-	gl.setConstantColor(nc);
+	gl.setConstantColor(c);
 
 	states.back().color = c;
 }
diff --git a/src/modules/graphics/opengl/OpenGL.cpp b/src/modules/graphics/opengl/OpenGL.cpp
index 61ce4d7da..e8679179d 100644
--- a/src/modules/graphics/opengl/OpenGL.cpp
+++ b/src/modules/graphics/opengl/OpenGL.cpp
@@ -344,9 +344,10 @@ void OpenGL::prepareDraw()
 
 	if (state.constantColor != state.lastConstantColor)
 	{
-		const Colorf &c = state.constantColor;
+		state.lastConstantColor = state.constantColor;
+		Colorf c = state.constantColor;
+		gammaCorrectColor(c);
 		glVertexAttrib4f(ATTRIB_CONSTANTCOLOR, c.r, c.g, c.b, c.a);
-		state.lastConstantColor = c;
 	}
 }
 
diff --git a/src/modules/graphics/opengl/OpenGL.h b/src/modules/graphics/opengl/OpenGL.h
index 47d5e8682..47056cc3d 100644
--- a/src/modules/graphics/opengl/OpenGL.h
+++ b/src/modules/graphics/opengl/OpenGL.h
@@ -236,7 +236,7 @@ public:
 
 	/**
 	 * Sets the constant color (vertex attribute). This may be applied
-	 * internally at draw-time.
+	 * internally at draw-time. This gets gamma-corrected internally as well.
 	 **/
 	void setConstantColor(const Colorf &color);
 	const Colorf &getConstantColor() const;