src/gallium/auxiliary/util/u_blit.h

   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
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  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                      unsigned src_face,
  77                      struct pipe_surface *dst,
  78                      int dstX0, int dstY0,
  79                      int dstX1, int dstY1,
  80                      float z, uint filter);
  81
  82 #ifdef __cplusplus
  83 }
  84 #endif
  85
  86 #endif