From 37083a8ae69b552d9637cf5e97455486445e390b Mon Sep 17 00:00:00 2001
From: havoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sun, 1 Sep 2002 01:06:02 +0000
Subject: [PATCH] free texture processing buffers each frame so they don't hang
 around wasting memory

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@2323 d7cf8633-e32d-0410-b094-e92efae38249
---
 gl_rmain.c    |  2 ++
 gl_textures.c | 19 +++++++++++++++++++
 r_textures.h  |  3 +++
 3 files changed, 24 insertions(+)

diff --git a/gl_rmain.c b/gl_rmain.c
index 4306818f..82162e54 100644
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -620,6 +620,8 @@ void R_RenderView (void)
 	R_MoveExplosions();
 	R_TimeReport("mexplosion");
 
+	R_Textures_Frame();
+
 	R_SetupFrame();
 	R_SetFrustum();
 	R_SetupFog();
diff --git a/gl_textures.c b/gl_textures.c
index 10cba22d..349d26f3 100644
--- a/gl_textures.c
+++ b/gl_textures.c
@@ -494,6 +494,25 @@ void R_Textures_Init (void)
 	R_RegisterModule("R_Textures", r_textures_start, r_textures_shutdown, r_textures_newmap);
 }
 
+void R_Textures_Frame (void)
+{
+	// could do procedural texture animation here, if we keep track of which
+	// textures were accessed this frame...
+
+	// free the resize buffers
+	resizebuffersize = 0;
+	if (resizebuffer)
+	{
+		Mem_Free(resizebuffer);
+		resizebuffer = NULL;
+	}
+	if (colorconvertbuffer)
+	{
+		Mem_Free(colorconvertbuffer);
+		colorconvertbuffer = NULL;
+	}
+}
+
 static void R_Upload(gltexture_t *glt, qbyte *data)
 {
 	int mip, width, height, internalformat;
diff --git a/r_textures.h b/r_textures.h
index ebcd8893..231ef9cd 100644
--- a/r_textures.h
+++ b/r_textures.h
@@ -77,5 +77,8 @@ int R_TextureWidth(rtexture_t *rt);
 // returns height of texture, as was specified when it was uploaded
 int R_TextureHeight(rtexture_t *rt);
 
+// frees processing buffers each frame, and may someday animate procedural textures
+void R_Textures_Frame(void);
+
 #endif
 
-- 
2.39.2