1 files changed, 19 insertions, 16 deletions

diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index e3bada5ae8..db04c785de 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -29,6 +29,7 @@
  */
 
 
+#include "buffers.h"
 #include "context.h"
 #include "fbobject.h"
 #include "framebuffer.h"
@@ -150,22 +151,18 @@ _mesa_remove_attachment(GLcontext *ctx, struct gl_renderbuffer_attachment *att)
 {
    if (att->Type == GL_TEXTURE) {
       ASSERT(att->Texture);
-      att->Texture->RefCount--;
-      if (att->Texture->RefCount == 0) {
-	 ctx->Driver.DeleteTexture(ctx, att->Texture);
+      if (ctx->Driver.FinishRenderTexture) {
+         /* tell driver we're done rendering to this texobj */
+         ctx->Driver.FinishRenderTexture(ctx, att);
       }
-      else {
-         /* tell driver that we're done rendering to this texture. */
-         if (ctx->Driver.FinishRenderTexture) {
-            ctx->Driver.FinishRenderTexture(ctx, att);
-         }
-      }
-      att->Texture = NULL;
+      _mesa_reference_texobj(&att->Texture, NULL); /* unbind */
+      ASSERT(!att->Texture);
    }
    if (att->Type == GL_TEXTURE || att->Type == GL_RENDERBUFFER_EXT) {
       ASSERT(att->Renderbuffer);
       ASSERT(!att->Texture);
-      _mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
+      _mesa_reference_renderbuffer(&att->Renderbuffer, NULL); /* unbind */
+      ASSERT(!att->Renderbuffer);
    }
    att->Type = GL_NONE;
    att->Complete = GL_TRUE;
@@ -191,8 +188,8 @@ _mesa_set_texture_attachment(GLcontext *ctx,
       /* new attachment */
       _mesa_remove_attachment(ctx, att);
       att->Type = GL_TEXTURE;
-      att->Texture = texObj;
-      texObj->RefCount++;
+      assert(!att->Texture);
+      _mesa_reference_texobj(&att->Texture, texObj);
    }
 
    /* always update these fields */
@@ -924,7 +921,7 @@ check_end_texture_render(GLcontext *ctx, struct gl_framebuffer *fb)
 void GLAPIENTRY
 _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
 {
-   struct gl_framebuffer *newFb;
+   struct gl_framebuffer *newFb, *newFbread;
    GLboolean bindReadBuf, bindDrawBuf;
    GET_CURRENT_CONTEXT(ctx);
 
@@ -965,9 +962,11 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
    }
 
    FLUSH_VERTICES(ctx, _NEW_BUFFERS);
+
    if (ctx->Driver.Flush) {  
       ctx->Driver.Flush(ctx);
    }
+
    if (framebuffer) {
       /* Binding a user-created framebuffer object */
       newFb = _mesa_lookup_framebuffer(ctx, framebuffer);
@@ -984,12 +983,14 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
 	 }
          _mesa_HashInsert(ctx->Shared->FrameBuffers, framebuffer, newFb);
       }
+      newFbread = newFb;
    }
    else {
       /* Binding the window system framebuffer (which was originally set
        * with MakeCurrent).
        */
       newFb = ctx->WinSysDrawBuffer;
+      newFbread = ctx->WinSysReadBuffer;
    }
 
    ASSERT(newFb);
@@ -1000,14 +1001,16 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
     */
 
    if (bindReadBuf) {
-      _mesa_reference_framebuffer(&ctx->ReadBuffer, newFb);
+      _mesa_reference_framebuffer(&ctx->ReadBuffer, newFbread);
    }
 
    if (bindDrawBuf) {
       /* check if old FB had any texture attachments */
       check_end_texture_render(ctx, ctx->DrawBuffer);
+
       /* check if time to delete this framebuffer */
       _mesa_reference_framebuffer(&ctx->DrawBuffer, newFb);
+
       if (newFb->Name != 0) {
          /* check if newly bound framebuffer has any texture attachments */
          check_begin_texture_render(ctx, newFb);
@@ -1015,7 +1018,7 @@ _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer)
    }
 
    if (ctx->Driver.BindFramebuffer) {
-      ctx->Driver.BindFramebuffer(ctx, target, newFb);
+      ctx->Driver.BindFramebuffer(ctx, target, newFb, newFbread);
    }
 }