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/**************************************************************************
*
* 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
* without limitation the rights to use, copy, modify, merge, publish,
* 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.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* 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.
*
**************************************************************************/
#ifndef U_SURFACE_H
#define U_SURFACE_H
#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
/**
* Are s1 and s2 the same surface?
* Surfaces are basically views into textures so check if the two surfaces
* name the same part of the same texture.
*/
static INLINE boolean
util_same_surface(const struct pipe_surface *s1, const struct pipe_surface *s2)
{
return (s1->texture == s2->texture &&
s1->face == s2->face &&
s1->level == s2->level &&
s1->zslice == s2->zslice);
}
extern boolean
util_create_rgba_surface(struct pipe_screen *screen,
uint width, uint height,
struct pipe_texture **textureOut,
struct pipe_surface **surfaceOut);
extern void
util_destroy_rgba_surface(struct pipe_texture *texture,
struct pipe_surface *surface);
extern boolean
util_framebuffer_state_equal(const struct pipe_framebuffer_state *dst,
const struct pipe_framebuffer_state *src);
extern void
util_copy_framebuffer_state(struct pipe_framebuffer_state *dst,
const struct pipe_framebuffer_state *src);
extern void
util_unreference_framebuffer_state(struct pipe_framebuffer_state *fb);
#endif /* U_SURFACE_H */
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