From 0fe580d10c6fb73a90eccb046c8dcbf84b062b16 Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Mon, 4 Jan 2016 11:38:21 +0100
Subject: OPENGL: Make shader/framebuffer part of pipeline state.

---
 backends/graphics/opengl/texture.cpp | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

(limited to 'backends/graphics/opengl/texture.cpp')

diff --git a/backends/graphics/opengl/texture.cpp b/backends/graphics/opengl/texture.cpp
index 02e1b2c325..05b7ac1896 100644
--- a/backends/graphics/opengl/texture.cpp
+++ b/backends/graphics/opengl/texture.cpp
@@ -657,7 +657,7 @@ void TextureCLUT8GPU::updateTextures() {
 		_paletteDirty = false;
 	}
 
-	// In case any data changed, do color look up and save result in _glTexture.
+	// In case any data changed, do color look up and store result in _target.
 	if (needLookUp) {
 		lookUpColors();
 	}
@@ -665,10 +665,11 @@ void TextureCLUT8GPU::updateTextures() {
 
 void TextureCLUT8GPU::lookUpColors() {
 	// Save old state.
-	GLint oldProgram = 0;
-	GL_CALL(glGetIntegerv(GL_CURRENT_PROGRAM, &oldProgram));
+	Framebuffer *oldFramebuffer = g_context.activePipeline->setFramebuffer(_target);
 
-	Framebuffer *oldFramebuffer = g_context.setFramebuffer(_target);
+	Shader *lookUpShader = ShaderMan.query(ShaderManager::kCLUT8LookUp);
+	Shader *oldShader = g_context.activePipeline->setShader(lookUpShader);
+	lookUpShader->setUniformI(_paletteLocation, 1);
 
 	// Set the palette texture.
 	GL_CALL(glActiveTexture(GL_TEXTURE1));
@@ -679,16 +680,12 @@ void TextureCLUT8GPU::lookUpColors() {
 	_clut8Texture.bind();
 
 	// Do color look up.
-	Shader *lookUpShader = ShaderMan.query(ShaderManager::kCLUT8LookUp);
-	lookUpShader->activate(_target->getProjectionMatrix());
-	lookUpShader->setUniformI(_paletteLocation, 1);
 	g_context.activePipeline->setDrawCoordinates(_clut8Vertices, _clut8Texture.getTexCoords());
 	GL_CALL(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
 
 	// Restore old state.
-	g_context.setFramebuffer(oldFramebuffer);
-
-	GL_CALL(glUseProgram(oldProgram));
+	g_context.activePipeline->setShader(oldShader);
+	g_context.activePipeline->setFramebuffer(oldFramebuffer);
 }
 #endif // !USE_FORCED_GLES
 
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