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  1. /*
  2.  * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * on the rights to use, copy, modify, merge, publish, distribute, sub
  8.  * license, and/or sell copies of the Software, and to permit persons to whom
  9.  * the Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18.  * THE COPYRIGHT HOLDER(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19.  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20.  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21.  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22.  
  23. #ifndef R300_TGSI_TO_RC_H
  24. #define R300_TGSI_TO_RC_H
  25.  
  26. #include "pipe/p_compiler.h"
  27.  
  28. struct radeon_compiler;
  29.  
  30. struct tgsi_full_declaration;
  31. struct tgsi_shader_info;
  32. struct tgsi_token;
  33.  
  34. struct swizzled_imms {
  35.     unsigned index;
  36.     unsigned swizzle;
  37. };
  38.  
  39. struct tgsi_to_rc {
  40.     struct radeon_compiler * compiler;
  41.     const struct tgsi_shader_info * info;
  42.  
  43.     int immediate_offset;
  44.     struct swizzled_imms * imms_to_swizzle;
  45.     unsigned imms_to_swizzle_count;
  46.  
  47.     /* Vertex shaders have no half swizzles, and no way to handle them, so
  48.      * until rc grows proper support, indicate if they're safe to use. */
  49.     boolean use_half_swizzles;
  50.  
  51.     /* If an error occured. */
  52.     boolean error;
  53. };
  54.  
  55. void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens);
  56.  
  57. #endif /* R300_TGSI_TO_RC_H */
  58.