5 files changed, 12 insertions, 26 deletions
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 92ddffc0148..8514b6b3756 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -274,20 +274,11 @@ st_make_current(struct st_context *st,
    _glapi_check_multithread();
 
    if (st) {
-      GLboolean firstTime = st->ctx->FirstTimeCurrent;
-      if(!_mesa_make_current(st->ctx, &draw->Base, &read->Base))
+      if (!_mesa_make_current(st->ctx, &draw->Base, &read->Base))
          return GL_FALSE;
-      /* Need to initialize viewport here since draw->Base->Width/Height
-       * will still be zero at this point.
-       * This could be improved, but would require rather extensive work
-       * elsewhere (allocate rb surface storage sooner)
-       */
-      if (firstTime) {
-         GLuint w = draw->InitWidth, h = draw->InitHeight;
-         _mesa_set_viewport(st->ctx, 0, 0, w, h);
-         _mesa_set_scissor(st->ctx, 0, 0, w, h);
 
-      }
+      _mesa_check_init_viewport(st->ctx, draw->InitWidth, draw->InitHeight);
+
       return GL_TRUE;
    }
    else {
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 8e036223c65..914a507bef6 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -229,8 +229,10 @@ setup_edgeflags(GLcontext *ctx, GLenum primMode, GLint start, GLint count,
       struct st_buffer_object *stobj = st_buffer_object(array->BufferObj);
       ubyte *map;
 
-      if (!stobj)
+      if (!stobj || stobj->Base.Name == 0) {
+         /* edge flags are not in a VBO */
          return NULL;
+      }
 
       vec = (unsigned *) _mesa_calloc(sizeof(unsigned) * ((count + 31) / 32));
       if (!vec)
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index ab83543063c..a35eab03e7d 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -120,6 +120,11 @@ void st_init_limits(struct st_context *st)
    c->MaxDrawBuffers
       = CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
               1, MAX_DRAW_BUFFERS);
+
+   /* Is TGSI_OPCODE_CONT supported? */
+   /* XXX separate query for early function return? */
+   st->ctx->Shader.EmitContReturn =
+      screen->get_param(screen, PIPE_CAP_TGSI_CONT_SUPPORTED);
 }
 
 
diff --git a/src/mesa/state_tracker/st_framebuffer.c b/src/mesa/state_tracker/st_framebuffer.c
index 7072cbe62c7..13589151ba6 100644
--- a/src/mesa/state_tracker/st_framebuffer.c
+++ b/src/mesa/state_tracker/st_framebuffer.c
@@ -134,16 +134,7 @@ void st_resize_framebuffer( struct st_framebuffer *stfb,
    if (stfb->Base.Width != width || stfb->Base.Height != height) {
       GET_CURRENT_CONTEXT(ctx);
       if (ctx) {
-         if (stfb->InitWidth == 0 && stfb->InitHeight == 0) {
-            /* didn't have a valid size until now */
-            stfb->InitWidth = width;
-            stfb->InitHeight = height;
-            if (ctx->Viewport.Width <= 1) {
-               /* set context's initial viewport/scissor size */
-               _mesa_set_viewport(ctx, 0, 0, width, height);
-               _mesa_set_scissor(ctx, 0, 0, width, height);
-            }
-         }
+         _mesa_check_init_viewport(ctx, width, height);
 
          _mesa_resize_framebuffer(ctx, &stfb->Base, width, height);
 
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index dc6d77825f5..58f69336523 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -198,9 +198,6 @@ st_generate_mipmap(GLcontext *ctx, GLenum target,
          return;
       }
 
-      if (dstImage->ImageOffsets)
-         _mesa_free(dstImage->ImageOffsets);
-
       /* Free old image data */
       if (dstImage->Data)
          ctx->Driver.FreeTexImageData(ctx, dstImage);