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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.