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      1 /**************************************************************************
      2  *
      3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 
     29 #ifndef U_BLIT_H
     30 #define U_BLIT_H
     31 
     32 
     33 #include "pipe/p_compiler.h"
     34 /* for TGSI_WRITEMASK_* specification in util_blit_pixels */
     35 #include "pipe/p_shader_tokens.h"
     36 
     37 
     38 #ifdef __cplusplus
     39 extern "C" {
     40 #endif
     41 
     42 
     43 struct cso_context;
     44 struct pipe_context;
     45 struct pipe_resource;
     46 struct pipe_sampler_view;
     47 struct pipe_surface;
     48 
     49 #define BLIT_WRITEMASK_Z         1
     50 #define BLIT_WRITEMASK_STENCIL   2
     51 
     52 extern struct blit_state *
     53 util_create_blit(struct pipe_context *pipe, struct cso_context *cso);
     54 
     55 extern void
     56 util_destroy_blit(struct blit_state *ctx);
     57 
     58 extern void
     59 util_blit_pixels(struct blit_state *ctx,
     60                  struct pipe_resource *src_tex,
     61                  unsigned src_level,
     62                  int srcX0, int srcY0,
     63                  int srcX1, int srcY1,
     64                  int srcZ0,
     65                  struct pipe_surface *dst,
     66                  int dstX0, int dstY0,
     67                  int dstX1, int dstY1,
     68                  float z, uint filter,
     69                  uint writemask, uint zs_writemask);
     70 
     71 extern void
     72 util_blit_pixels_tex(struct blit_state *ctx,
     73                      struct pipe_sampler_view *src_sampler_view,
     74                      int srcX0, int srcY0,
     75                      int srcX1, int srcY1,
     76                      struct pipe_surface *dst,
     77                      int dstX0, int dstY0,
     78                      int dstX1, int dstY1,
     79                      float z, uint filter);
     80 
     81 #ifdef __cplusplus
     82 }
     83 #endif
     84 
     85 #endif
     86