From 0dee7a3ece05f418c1deb422771cfed8d89826b3 Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Fri, 9 Apr 2010 22:02:32 -0600
Subject: debug code for EXT-6791: Intel 965 Crash in glCopyTexSubImage2D.

---
 indra/llrender/llimagegl.cpp | 16 +++++++++++-----
 indra/llrender/llimagegl.h   |  2 +-
 2 files changed, 12 insertions(+), 6 deletions(-)

(limited to 'indra/llrender')

diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index 36ac3ff119..68b556c3bb 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -105,9 +105,9 @@ void check_all_images()
 	}
 }
 
-void LLImageGL::checkTexSize() const
+void LLImageGL::checkTexSize(bool forced) const
 {
-	if (gDebugGL && mTarget == GL_TEXTURE_2D)
+	if ((forced || gDebugGL) && mTarget == GL_TEXTURE_2D)
 	{
 		GLint texname;
 		glGetIntegerv(GL_TEXTURE_BINDING_2D, &texname);
@@ -129,6 +129,8 @@ void LLImageGL::checkTexSize() const
 		glGetTexLevelParameteriv(mTarget, 0, GL_TEXTURE_WIDTH, (GLint*)&x);
 		glGetTexLevelParameteriv(mTarget, 0, GL_TEXTURE_HEIGHT, (GLint*)&y) ;
 		stop_glerror() ;
+		llcallstacks << "w: " << x << " h: " << y << llcallstacksendl ;
+
 		if(!x || !y)
 		{
 			return ;
@@ -138,11 +140,13 @@ void LLImageGL::checkTexSize() const
 			error = TRUE;
 			if (gDebugSession)
 			{
-				gFailLog << "wrong texture size and discard level!" << std::endl;
+				gFailLog << "wrong texture size and discard level!" << 
+					mWidth << " Height: " << mHeight << " Current Level: " << mCurrentDiscardLevel << std::endl;
 			}
 			else
 			{
-				llerrs << "wrong texture size and discard level!" << llendl ;
+				llerrs << "wrong texture size and discard level: width: " << 
+					mWidth << " Height: " << mHeight << " Current Level: " << mCurrentDiscardLevel << llendl ;
 			}
 		}
 
@@ -1044,7 +1048,9 @@ BOOL LLImageGL::setSubImageFromFrameBuffer(S32 fb_x, S32 fb_y, S32 x_pos, S32 y_
 {
 	if (gGL.getTexUnit(0)->bind(this, false, true))
 	{
-		//checkTexSize() ;
+		checkTexSize(true) ;
+		llcallstacks << fb_x << " : " << fb_y << " : " << x_pos << " : " << y_pos << " : " << width << " : " << height << llcallstacksendl ;
+
 		glCopyTexSubImage2D(GL_TEXTURE_2D, 0, fb_x, fb_y, x_pos, y_pos, width, height);
 		mGLTextureCreated = true;
 		stop_glerror();
diff --git a/indra/llrender/llimagegl.h b/indra/llrender/llimagegl.h
index f0870c3fc4..41239d24c8 100644
--- a/indra/llrender/llimagegl.h
+++ b/indra/llrender/llimagegl.h
@@ -157,7 +157,7 @@ public:
 	void updatePickMask(S32 width, S32 height, const U8* data_in);
 	BOOL getMask(const LLVector2 &tc);
 
-	void checkTexSize() const ;
+	void checkTexSize(bool forced = false) const ;
 	
 	// Sets the addressing mode used to sample the texture 
 	//  (such as wrapping, mirrored wrapping, and clamp)
-- 
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