src/gallium/drivers/r300/r300_vs.h

   1 /*
   2  * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  * Copyright 2009 Marek Olšák <maraeo@gmail.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #ifndef R300_VS_H
  25 #define R300_VS_H
  26
  27 #include "pipe/p_state.h"
  28 #include "tgsi/tgsi_scan.h"
  29 #include "radeon_code.h"
  30
  31 #include "r300_context.h"
  32 #include "r300_shader_semantics.h"
  33
  34 struct r300_context;
  35
  36 struct r300_vertex_shader {
  37     /* Parent class */
  38     struct pipe_shader_state state;
  39
  40     struct tgsi_shader_info info;
  41     struct r300_shader_semantics outputs;
  42     struct r300_vap_output_state vap_out;
  43
  44     /* Whether the shader was replaced by a dummy one due to a shader
  45      * compilation failure. */
  46     boolean dummy;
  47
  48     /* Numbers of constants for each type. */
  49     unsigned externals_count;
  50     unsigned immediates_count;
  51
  52     /* Stream locations for SWTCL or if TCL is bypassed. */
  53     int stream_loc_notcl[16];
  54
  55     /* Output stream location for WPOS. */
  56     int wpos_tex_output;
  57
  58     /* HWTCL-specific.  */
  59     /* Machine code (if translated) */
  60     struct r300_vertex_program_code code;
  61
  62     /* SWTCL-specific. */
  63     void *draw_vs;
  64 };
  65
  66 void r300_translate_vertex_shader(struct r300_context* r300,
  67                                   struct r300_vertex_shader* vs,
  68                                   const struct tgsi_token *tokens);
  69
  70 /* Return TRUE if VAP (hwfmt) needs to be re-emitted. */
  71 boolean r300_vertex_shader_setup_wpos(struct r300_context* r300);
  72
  73 #endif /* R300_VS_H */