From bff574e04e0532678a458762f37245564c381196 Mon Sep 17 00:00:00 2001
From: SmileTheory <SmileTheory@gmail.com>
Date: Tue, 12 Feb 2013 20:53:59 -0800
Subject: [PATCH] #5878: Ensure surfaces are drawn before executing full-screen
 render commands, and when at the end of the render command list.

---
 code/rend2/tr_backend.c | 21 +++++++++++++++++++++
 code/rend2/tr_init.c    | 12 ++++++++++--
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/code/rend2/tr_backend.c b/code/rend2/tr_backend.c
index 0834176b..fd61ee76 100644
--- a/code/rend2/tr_backend.c
+++ b/code/rend2/tr_backend.c
@@ -1410,6 +1410,10 @@ const void	*RB_DrawBuffer( const void *data ) {
 
 	cmd = (const drawBufferCommand_t *)data;
 
+	// finish any 2D drawing if needed
+	if(tess.numIndexes)
+		RB_EndSurface();
+
 	if (glRefConfig.framebufferObject)
 		FBO_Bind(NULL);
 
@@ -1493,6 +1497,10 @@ const void *RB_ColorMask(const void *data)
 {
 	const colorMaskCommand_t *cmd = data;
 
+	// finish any 2D drawing if needed
+	if(tess.numIndexes)
+		RB_EndSurface();
+
 	if (glRefConfig.framebufferObject)
 	{
 		// reverse color mask, so 0 0 0 0 is the default
@@ -1517,6 +1525,7 @@ const void *RB_ClearDepth(const void *data)
 {
 	const clearDepthCommand_t *cmd = data;
 	
+	// finish any 2D drawing if needed
 	if(tess.numIndexes)
 		RB_EndSurface();
 
@@ -1648,6 +1657,10 @@ const void *RB_CapShadowMap(const void *data)
 {
 	const capShadowmapCommand_t *cmd = data;
 
+	// finish any 2D drawing if needed
+	if(tess.numIndexes)
+		RB_EndSurface();
+
 	if (cmd->map != -1)
 	{
 		GL_SelectTexture(0);
@@ -1680,6 +1693,10 @@ const void *RB_PostProcess(const void *data)
 	FBO_t *srcFbo;
 	qboolean autoExposure;
 
+	// finish any 2D drawing if needed
+	if(tess.numIndexes)
+		RB_EndSurface();
+
 	if (!glRefConfig.framebufferObject || !r_postProcess->integer)
 	{
 		// do nothing
@@ -1812,6 +1829,10 @@ void RB_ExecuteRenderCommands( const void *data ) {
 			break;
 		case RC_END_OF_LIST:
 		default:
+			// finish any 2D drawing if needed
+			if(tess.numIndexes)
+				RB_EndSurface();
+
 			// stop rendering
 			t2 = ri.Milliseconds ();
 			backEnd.pc.msec = t2 - t1;
diff --git a/code/rend2/tr_init.c b/code/rend2/tr_init.c
index 3f73160e..df7ffed6 100644
--- a/code/rend2/tr_init.c
+++ b/code/rend2/tr_init.c
@@ -538,7 +538,11 @@ const void *RB_TakeScreenshotCmd( const void *data ) {
 	const screenshotCommand_t	*cmd;
 	
 	cmd = (const screenshotCommand_t *)data;
-	
+
+	// finish any 2D drawing if needed
+	if(tess.numIndexes)
+		RB_EndSurface();
+
 	if (cmd->jpeg)
 		RB_TakeScreenshotJPEG( cmd->x, cmd->y, cmd->width, cmd->height, cmd->fileName);
 	else
@@ -820,7 +824,11 @@ const void *RB_TakeVideoFrameCmd( const void *data )
 	size_t				memcount, linelen;
 	int				padwidth, avipadwidth, padlen, avipadlen;
 	GLint packAlign;
-	
+
+	// finish any 2D drawing if needed
+	if(tess.numIndexes)
+		RB_EndSurface();
+
 	cmd = (const videoFrameCommand_t *)data;
 	
 	qglGetIntegerv(GL_PACK_ALIGNMENT, &packAlign);