From 09274e2483abd7ea0ae26daa32f9cf3f7a3e2b16 Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Wed, 12 Dec 2012 16:57:00 +0100
Subject: [PATCH] Check texture params before updateing them

Signed-off-by: Ryan Houdek <Sonicadvance1@gmail.com>
---
 Source/Plugins/Plugin_VideoOGL/Src/RasterFont.cpp   | 4 ----
 Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp | 9 ++++++++-
 Source/Plugins/Plugin_VideoOGL/Src/TextureCache.h   | 2 ++
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/Source/Plugins/Plugin_VideoOGL/Src/RasterFont.cpp b/Source/Plugins/Plugin_VideoOGL/Src/RasterFont.cpp
index 29166e4bc0..e3575eef4e 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/RasterFont.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/RasterFont.cpp
@@ -17,8 +17,6 @@
 
 #include "GLUtil.h"
 
-#include <string.h>
-
 #include "RasterFont.h"
 // globals
 
@@ -150,7 +148,6 @@ static const char *s_fragment_shader =
 RasterFont::RasterFont()
 {
 	// generate the texture
-	glEnable(GL_TEXTURE_RECTANGLE);
 	glGenTextures(1, &texture);
 	glBindTexture(GL_TEXTURE_RECTANGLE, texture);
 	u32* texture_data = new u32[char_width*char_count*char_height];
@@ -281,7 +278,6 @@ void RasterFont::printMultilineText(const char *text, double start_x, double sta
 	glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
 	glActiveTexture(GL_TEXTURE0);
 	glBindTexture(GL_TEXTURE_RECTANGLE, texture);
-	glEnable(GL_TEXTURE_RECTANGLE);
 	glDrawArrays(GL_TRIANGLES, 0, usage/4);
 	
 	glUseProgram(0);
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp b/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp
index 94304f9c44..4f05ccb777 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp
+++ b/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp
@@ -113,6 +113,8 @@ TextureCache::TCacheEntry::~TCacheEntry()
 TextureCache::TCacheEntry::TCacheEntry()
 {
 	glGenTextures(1, &texture);
+	currmode.hex = 0;
+	currmode1.hex = 0;
 	GL_REPORT_ERRORD();
 }
 
@@ -125,7 +127,9 @@ void TextureCache::TCacheEntry::Bind(unsigned int stage)
 	// TODO: is this already done somewhere else?
 	TexMode0 &tm0 = bpmem.tex[stage >> 2].texMode0[stage & 3];
 	TexMode1 &tm1 = bpmem.tex[stage >> 2].texMode1[stage & 3];
-	SetTextureParameters(tm0, tm1);
+	
+	if(currmode.hex != tm0.hex || currmode1.hex != tm1.hex)
+		SetTextureParameters(tm0, tm1);
 }
 
 bool TextureCache::TCacheEntry::Save(const char filename[], unsigned int level)
@@ -404,6 +408,9 @@ void TextureCache::TCacheEntry::FromRenderTarget(u32 dstAddr, unsigned int dstFo
 
 void TextureCache::TCacheEntry::SetTextureParameters(const TexMode0 &newmode, const TexMode1 &newmode1)
 {
+	currmode = newmode;
+	currmode1 = newmode1;
+	
 	// TODO: not used anywhere
 	TexMode0 mode = newmode;
 	//mode1 = newmode1;
diff --git a/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.h b/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.h
index 91245237d9..dc560e098b 100644
--- a/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.h
+++ b/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.h
@@ -67,6 +67,8 @@ private:
 
 	private:
 		void SetTextureParameters(const TexMode0 &newmode, const TexMode1 &newmode1);
+		TexMode0 currmode;
+		TexMode1 currmode1;
 	};
 
 	~TextureCache();