/**************************************************************************
- *
+ *
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
#include "main/glheader.h"
#include "st_context.h"
-#include "st_public.h"
#include "st_cb_viewport.h"
-#include "pipe/p_context.h"
-#include "pipe/p_inlines.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
+#include "util/u_atomic.h"
-static void st_viewport(GLcontext * ctx, GLint x, GLint y,
+/**
+ * Cast wrapper to convert a struct gl_framebuffer to an st_framebuffer.
+ * Return NULL if the struct gl_framebuffer is a user-created framebuffer.
+ * We'll only return non-null for window system framebuffers.
+ * Note that this function may fail.
+ */
+static INLINE struct st_framebuffer *
+st_ws_framebuffer(struct gl_framebuffer *fb)
+{
+ /* FBO cannot be casted. See st_new_framebuffer */
+ if (fb && _mesa_is_winsys_fbo(fb))
+ return (struct st_framebuffer *) fb;
+ return NULL;
+}
+
+static void st_viewport(struct gl_context * ctx, GLint x, GLint y,
GLsizei width, GLsizei height)
{
struct st_context *st = ctx->st;
+ struct st_framebuffer *stdraw;
+ struct st_framebuffer *stread;
+
+ if (!st->invalidate_on_gl_viewport)
+ return;
+
+ /*
+ * Normally we'd want the state tracker manager to mark the drawables
+ * invalid only when needed. This will force the state tracker manager
+ * to revalidate the drawable, rather than just update the context with
+ * the latest cached drawable info.
+ */
+
+ stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
+ stread = st_ws_framebuffer(st->ctx->ReadBuffer);
- if (st->pipe->winsys)
- st->pipe->winsys->update_buffer( st->pipe->winsys,
- st->pipe->priv );
+ if (stdraw && stdraw->iface)
+ stdraw->iface_stamp = p_atomic_read(&stdraw->iface->stamp) - 1;
+ if (stread && stread != stdraw && stread->iface)
+ stread->iface_stamp = p_atomic_read(&stread->iface->stamp) - 1;
}
void st_init_viewport_functions(struct dd_function_table *functions)