src/mesa/drivers/dri/r300/compiler/radeon_compiler.h

   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 AUTHOR(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 RADEON_COMPILER_H
  24 #define RADEON_COMPILER_H
  25
  26 #include "../../../../main/compiler.h"
  27
  28 #include "memory_pool.h"
  29 #include "radeon_code.h"
  30 #include "radeon_program.h"
  31
  32 struct rc_swizzle_caps;
  33
  34 struct radeon_compiler {
  35         struct memory_pool Pool;
  36         struct rc_program Program;
  37         unsigned Debug:1;
  38         unsigned Error:1;
  39         char * ErrorMsg;
  40
  41         /**
  42          * Variables used internally, not be touched by callers
  43          * of the compiler
  44          */
  45         /*@{*/
  46         struct rc_swizzle_caps * SwizzleCaps;
  47         /*@}*/
  48 };
  49
  50 void rc_init(struct radeon_compiler * c);
  51 void rc_destroy(struct radeon_compiler * c);
  52
  53 void rc_debug(struct radeon_compiler * c, const char * fmt, ...);
  54 void rc_error(struct radeon_compiler * c, const char * fmt, ...);
  55
  56 int rc_if_fail_helper(struct radeon_compiler * c, const char * file, int line, const char * assertion);
  57
  58 /**
  59  * This macro acts like an if-statement that can be used to implement
  60  * non-aborting assertions in the compiler.
  61  *
  62  * It checks whether \p cond is true. If not, an internal compiler error is
  63  * flagged and the if-clause is run.
  64  *
  65  * A typical use-case would be:
  66  *
  67  *  if (rc_assert(c, condition-that-must-be-true))
  68  *      return;
  69  */
  70 #define rc_assert(c, cond) \
  71         (!(cond) && rc_if_fail_helper(c, __FILE__, __LINE__, #cond))
  72
  73 void rc_calculate_inputs_outputs(struct radeon_compiler * c);
  74
  75 void rc_move_input(struct radeon_compiler * c, unsigned input, struct rc_src_register new_input);
  76 void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask);
  77 void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output);
  78 void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input,
  79                                 int full_vtransform);
  80
  81 struct r300_fragment_program_compiler {
  82         struct radeon_compiler Base;
  83         struct rX00_fragment_program_code *code;
  84         struct r300_fragment_program_external_state state;
  85         unsigned is_r500;
  86         unsigned max_temp_regs;
  87     /* Register corresponding to the depthbuffer. */
  88         unsigned OutputDepth;
  89     /* Registers corresponding to the four colorbuffers. */
  90         unsigned OutputColor[4];
  91
  92         void * UserData;
  93         void (*AllocateHwInputs)(
  94                 struct r300_fragment_program_compiler * c,
  95                 void (*allocate)(void * data, unsigned input, unsigned hwreg),
  96                 void * mydata);
  97 };
  98
  99 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c);
 100
 101
 102 struct r300_vertex_program_compiler {
 103         struct radeon_compiler Base;
 104         struct r300_vertex_program_code *code;
 105         uint32_t RequiredOutputs;
 106
 107         void * UserData;
 108         void (*SetHwInputOutput)(struct r300_vertex_program_compiler * c);
 109 };
 110
 111 void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c);
 112
 113 #endif /* RADEON_COMPILER_H */