ogl: clamp to edge for out of bound efb access

fixes issue 6898

OpenGL defaults are GL_REPEAT, which is even more unlikely than GL_CLAMP_TO_EDGE.
As I can't test the behavoir of the real hardware, I changed it to how it works before,
but I guess just clip the texture makes more sense.

Source/Core/VideoBackends/OGL/FramebufferManager.cpp

@@ -79,14 +79,20 @@ FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int ms
 
 		glBindTexture(GL_TEXTURE_2D, m_efbColor);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_targetWidth, m_targetHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
 
 		glBindTexture(GL_TEXTURE_2D, m_efbDepth);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, m_targetWidth, m_targetHeight, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
 
 		glBindTexture(GL_TEXTURE_2D, m_resolvedColorTexture);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_targetWidth, m_targetHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
 
 		// Bind target textures to the EFB framebuffer.
@@ -144,10 +150,14 @@ FramebufferManager::FramebufferManager(int targetWidth, int targetHeight, int ms
 
 		glBindTexture(GL_TEXTURE_2D, m_resolvedColorTexture);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_targetWidth, m_targetHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
 
 		glBindTexture(GL_TEXTURE_2D, m_resolvedDepthTexture);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, m_targetWidth, m_targetHeight, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL);
 
 		// Bind resolved textures to resolved framebuffer.

Source/Core/VideoCommon/BPStructs.cpp

@@ -267,6 +267,7 @@ void BPWritten(const BPCmd& bp)
 			rc.top = (int)bpmem.copyTexSrcXY.y;
 
 			// Here Width+1 like Height, otherwise some textures are corrupted already since the native resolution.
+			// TODO: What's the behavior of out of bound access?
 			rc.right = (int)(bpmem.copyTexSrcXY.x + bpmem.copyTexSrcWH.x + 1);
 			rc.bottom = (int)(bpmem.copyTexSrcXY.y + bpmem.copyTexSrcWH.y + 1);