reactos/lib/mesa32/src/shader/slang/slang_execute.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 2005  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #if !defined SLANG_EXECUTE_H
  26 #define SLANG_EXECUTE_H
  27
  28 #if defined __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 #define SLANG_MACHINE_STACK_SIZE 1024
  33
  34 typedef struct slang_machine_
  35 {
  36         GLuint ip;                                      /* instruction pointer, for flow control */
  37         GLuint sp;                                      /* stack pointer, for stack access */
  38         GLuint bp;                                      /* base pointer, for local variable access */
  39         GLuint kill;                            /* discard the fragment */
  40         GLuint exit;                            /* terminate the shader */
  41         union stack_
  42         {
  43                 GLfloat _float[SLANG_MACHINE_STACK_SIZE];
  44                 GLfloat *_floatp[SLANG_MACHINE_STACK_SIZE];
  45                 GLuint _addr[SLANG_MACHINE_STACK_SIZE];
  46                 GLuint *_addrp[SLANG_MACHINE_STACK_SIZE];
  47         } stack;
  48 } slang_machine;
  49
  50 int _slang_execute (const slang_assembly_file *);
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif
  55
  56 #endif
  57