4 files changed, 23 insertions, 7 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index ad47e22580b..bf53bd34678 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -1011,6 +1011,16 @@ _mesa_free_context_data( GLcontext *ctx )
 
    _mesa_delete_array_object(ctx, ctx->Array.DefaultArrayObj);
 
+#if FEATURE_ARB_pixel_buffer_object
+   _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj, NULL);
+   _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj, NULL);
+#endif
+
+#if FEATURE_ARB_vertex_buffer_object
+   _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, NULL);
+   _mesa_reference_buffer_object(ctx, &ctx->Array.ElementArrayBufferObj, NULL);
+#endif
+
    /* free dispatch tables */
    _mesa_free(ctx->Exec);
    _mesa_free(ctx->Save);
diff --git a/src/mesa/main/mfeatures.h b/src/mesa/main/mfeatures.h
index f5706479423..62c3ead3e1b 100644
--- a/src/mesa/main/mfeatures.h
+++ b/src/mesa/main/mfeatures.h
@@ -61,6 +61,7 @@
 #define FEATURE_ARB_occlusion_query  _HAVE_FULL_GL
 #define FEATURE_ARB_fragment_program  _HAVE_FULL_GL
 #define FEATURE_ARB_framebuffer_object  _HAVE_FULL_GL
+#define FEATURE_ARB_pixel_buffer_object  _HAVE_FULL_GL
 #define FEATURE_ARB_vertex_buffer_object  _HAVE_FULL_GL
 #define FEATURE_ARB_vertex_program  _HAVE_FULL_GL
 #define FEATURE_ARB_vertex_shader _HAVE_FULL_GL
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index b182106fd56..14b78d12539 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -673,7 +673,7 @@ st_TexImage(GLcontext * ctx,
                                    PIPE_TEXTURE_USAGE_RENDER_TARGET, 0)) {
       if (compress_with_blit(ctx, target, level, 0, 0, 0, width, height, depth,
                              format, type, pixels, unpack, texImage)) {
-         return;
+         goto done;
       }
    }
 
@@ -750,6 +750,7 @@ st_TexImage(GLcontext * ctx,
 
    _mesa_unmap_teximage_pbo(ctx, unpack);
 
+done:
    if (stImage->pt && texImage->Data) {
       st_texture_image_unmap(ctx->st, stImage);
       texImage->Data = NULL;
@@ -1061,7 +1062,7 @@ st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
                              xoffset, yoffset, zoffset,
                              width, height, depth,
                              format, type, pixels, packing, texImage)) {
-         return;
+         goto done;
       }
    }
 
@@ -1110,16 +1111,17 @@ st_TexSubimage(GLcontext *ctx, GLint dims, GLenum target, GLint level,
       }
    }
 
-   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
-      ctx->Driver.GenerateMipmap(ctx, target, texObj);
-   }
-
    _mesa_unmap_teximage_pbo(ctx, packing);
 
+done:
    if (stImage->pt) {
       st_texture_image_unmap(ctx->st, stImage);
       texImage->Data = NULL;
    }
+
+   if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
+      ctx->Driver.GenerateMipmap(ctx, target, texObj);
+   }
 }
 
 
@@ -1315,6 +1317,9 @@ st_copy_texsubimage(GLcontext *ctx,
    GLboolean use_fallback = GL_TRUE;
    GLboolean matching_base_formats;
 
+   /* any rendering in progress must flushed before we grab the fb image */
+   st_flush(ctx->st, PIPE_FLUSH_RENDER_CACHE, NULL);
+
    /* make sure finalize_textures has been called? 
     */
    if (0) st_validate_state(ctx->st);
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index 6ec633c0b46..34926101ed0 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -49,7 +49,7 @@
 #include "cso_cache/cso_context.h"
 
 
-#define ST_MAX_SHADER_TOKENS 4096
+#define ST_MAX_SHADER_TOKENS (8 * 1024)
 
 
 #define TGSI_DEBUG 0