merge

3 files changed, 14 insertions, 13 deletions

diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp
index 9022026248..9354373dba 100644
--- a/indra/llrender/llgl.cpp
+++ b/indra/llrender/llgl.cpp
@@ -671,7 +671,15 @@ void LLGLManager::initExtensions()
 	mHasVertexBufferObject = ExtensionExists("GL_ARB_vertex_buffer_object", gGLHExts.mSysExts);
 	mHasDepthClamp = ExtensionExists("GL_ARB_depth_clamp", gGLHExts.mSysExts) || ExtensionExists("GL_NV_depth_clamp", gGLHExts.mSysExts);
 	// mask out FBO support when packed_depth_stencil isn't there 'cause we need it for LLRenderTarget -Brad
+#ifdef GL_ARB_framebuffer_object
 	mHasFramebufferObject = ExtensionExists("GL_ARB_framebuffer_object", gGLHExts.mSysExts);
+#else
+	mHasFramebufferObject = ExtensionExists("GL_EXT_framebuffer_object", gGLHExts.mSysExts) &&
+							ExtensionExists("GL_EXT_framebuffer_blit", gGLHExts.mSysExts) &&
+							ExtensionExists("GL_EXT_framebuffer_multisample", gGLHExts.mSysExts) &&
+							ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts);
+#endif
+	
 	mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts);
 	mHasBlendFuncSeparate = ExtensionExists("GL_EXT_blend_func_separate", gGLHExts.mSysExts);
 	mHasTextureRectangle = ExtensionExists("GL_ARB_texture_rectangle", gGLHExts.mSysExts);
@@ -2063,11 +2071,14 @@ void LLGLDepthTest::checkState()
 	}
 }
 
-LLGLSquashToFarClip::LLGLSquashToFarClip(glh::matrix4f P)
+LLGLSquashToFarClip::LLGLSquashToFarClip(glh::matrix4f P, U32 layer)
 {
+
+	F32 depth = 0.99999f - 0.0001f * layer;
+
 	for (U32 i = 0; i < 4; i++)
 	{
-		P.element(2, i) = P.element(3, i) * 0.99999f;
+		P.element(2, i) = P.element(3, i) * depth;
 	}
 
 	glMatrixMode(GL_PROJECTION);
diff --git a/indra/llrender/llgl.h b/indra/llrender/llgl.h
index ff4e6078c9..df110613e3 100644
--- a/indra/llrender/llgl.h
+++ b/indra/llrender/llgl.h
@@ -320,7 +320,7 @@ private:
 class LLGLSquashToFarClip
 {
 public:
-	LLGLSquashToFarClip(glh::matrix4f projection);
+	LLGLSquashToFarClip(glh::matrix4f projection, U32 layer = 0);
 	~LLGLSquashToFarClip();
 };
 
diff --git a/indra/llrender/llimagegl.cpp b/indra/llrender/llimagegl.cpp
index ac43b53ecc..dfd72d13b0 100644
--- a/indra/llrender/llimagegl.cpp
+++ b/indra/llrender/llimagegl.cpp
@@ -1063,16 +1063,6 @@ BOOL LLImageGL::setSubImageFromFrameBuffer(S32 fb_x, S32 fb_y, S32 x_pos, S32 y_
 {
 	if (gGL.getTexUnit(0)->bind(this, false, true))
 	{
-		if(gGLManager.mDebugGPU)
-		{
-			llinfos << "Calling glCopyTexSubImage2D(...)" << llendl ;
-			checkTexSize(true) ;
-			llcallstacks << fb_x << " : " << fb_y << " : " << x_pos << " : " << y_pos << " : " << width << " : " << height <<
-				" : " << (S32)mComponents << llcallstacksendl ;
-
-			log_glerror() ;
-		}
-
 		glCopyTexSubImage2D(GL_TEXTURE_2D, 0, fb_x, fb_y, x_pos, y_pos, width, height);
 		mGLTextureCreated = true;
 		stop_glerror();