fix some AMD issues

This is only a hack. The correct solution would be:
1. don't use GL_TEXTURE_RECT ever. GL_TEXTURE_2D should also be faster
2. use GL_TEXTURE8+ for util textures
3. both

Source/Plugins/Plugin_VideoOGL/Src/FramebufferManager.cpp

@@ -341,6 +341,7 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
 {
 	// Texture map xfbSource->texture onto the main buffer
 
+	glBindTexture(GL_TEXTURE_2D, 0);
 	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, texture);
 
 	if(!(s_cached_sourcerc == sourcerc) || !(s_cached_drawrc == drawrc)) {
@@ -374,6 +375,8 @@ void XFBSource::Draw(const MathUtil::Rectangle<float> &sourcerc,
 	// TODO: this after merging with graphic_update
 	glBindVertexArray(0);
 	
+	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
+		
 	GL_REPORT_ERRORD();
 }
 

Source/Plugins/Plugin_VideoOGL/Src/Render.cpp

@@ -1185,6 +1185,7 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
 		GLuint read_texture = FramebufferManager::ResolveAndGetRenderTarget(rc);
 		// Render to the real buffer now.
 		glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); // switch to the window backbuffer
+		glBindTexture(GL_TEXTURE_2D, 0);
 		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, read_texture);
 
 		if(!( s_cached_targetRc == targetRc)) {

Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp

@@ -121,7 +121,6 @@ TextureCache::TCacheEntry::TCacheEntry()
 
 void TextureCache::TCacheEntry::Bind(unsigned int stage)
 {
-	glEnable(GL_TEXTURE_2D);
 	glBindTexture(GL_TEXTURE_2D, texture);
 	GL_REPORT_ERRORD();
 
@@ -215,7 +214,6 @@ TextureCache::TCacheEntryBase* TextureCache::CreateTexture(unsigned int width,
 void TextureCache::TCacheEntry::Load(unsigned int width, unsigned int height,
 	unsigned int expanded_width, unsigned int level, bool autogen_mips)
 {
-	//glEnable(GL_TEXTURE_2D);
 	glBindTexture(GL_TEXTURE_2D, texture);
 	//GL_REPORT_ERRORD();
 
@@ -307,6 +305,7 @@ void TextureCache::TCacheEntry::FromRenderTarget(u32 dstAddr, unsigned int dstFo
 		glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
 		glActiveTexture(GL_TEXTURE0);
 		glEnable(GL_TEXTURE_RECTANGLE_ARB);
+		glBindTexture(GL_TEXTURE_2D, 0);
 		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, read_texture);
 
 		glViewport(0, 0, virtual_width, virtual_height);
@@ -370,6 +369,8 @@ void TextureCache::TCacheEntry::FromRenderTarget(u32 dstAddr, unsigned int dstFo
 		// TODO: this after merging with graphic_update
 		glBindVertexArray(0);
 		
+		glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
+
 		GL_REPORT_ERRORD();
 
 		// Unbind texture from temporary framebuffer
@@ -472,7 +473,6 @@ TextureCache::~TextureCache()
 void TextureCache::DisableStage(unsigned int stage)
 {
 	glActiveTexture(GL_TEXTURE0 + stage);
-	glDisable(GL_TEXTURE_2D);
 	glDisable(GL_TEXTURE_RECTANGLE_ARB);
 }
 

Source/Plugins/Plugin_VideoOGL/Src/TextureConverter.cpp

@@ -190,6 +190,7 @@ void Init()
 	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_srcTexture);
 	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 	glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
 
 	CreateRgbToYuyvProgram();
 	CreateYuyvToRgbProgram();
@@ -236,6 +237,7 @@ void EncodeToRamUsingShader(GLuint srcTexture, const TargetRectangle& sourceRc,
 	// set source texture
 	glActiveTexture(GL_TEXTURE0);
 	glEnable(GL_TEXTURE_RECTANGLE_ARB);
+	glBindTexture(GL_TEXTURE_2D, 0);
 	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, srcTexture);
 
 	if (linearFilter)
@@ -280,6 +282,8 @@ void EncodeToRamUsingShader(GLuint srcTexture, const TargetRectangle& sourceRc,
 	// TODO: this after merging with graphic_update
 	glBindVertexArray(0);
 	
+	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
+	
 	GL_REPORT_ERRORD();
 
 	// .. and then read back the results.
@@ -383,7 +387,6 @@ void EncodeToRamYUYV(GLuint srcTexture, const TargetRectangle& sourceRc, u8* des
 	EncodeToRamUsingShader(srcTexture, sourceRc, destAddr, dstWidth / 2, dstHeight, 0, false, false);
 	FramebufferManager::SetFramebuffer(0);
 	VertexShaderManager::SetViewportChanged();
-	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
     TextureCache::DisableStage(0);
 	g_renderer->RestoreAPIState();
 	GL_REPORT_ERRORD();
@@ -407,6 +410,7 @@ void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destTextur
 	// switch to texture converter frame buffer
 	// attach destTexture as color destination
 	FramebufferManager::SetFramebuffer(s_texConvFrameBuffer);
+	glBindTexture(GL_TEXTURE_2D, 0);
 	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, destTexture);
 	glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, destTexture, 0);
 
@@ -419,6 +423,7 @@ void DecodeToTexture(u32 xfbAddr, int srcWidth, int srcHeight, GLuint destTextur
 	// set srcAddr as data for source texture
 	glActiveTexture(GL_TEXTURE0);
 	glEnable(GL_TEXTURE_RECTANGLE_ARB);
+	glBindTexture(GL_TEXTURE_2D, 0);
 	glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_srcTexture);
 
 	// TODO: make this less slow.  (How?)