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         /* Hardware specification. */
  42         unsigned is_r500:1;
  43         unsigned max_temp_regs;
  44
  45         /* Whether to remove unused constants and empty holes in constant space. */
  46         unsigned remove_unused_constants:1;
  47
  48         /**
  49          * Variables used internally, not be touched by callers
  50          * of the compiler
  51          */
  52         /*@{*/
  53         struct rc_swizzle_caps * SwizzleCaps;
  54         /*@}*/
  55 };
  56
  57 void rc_init(struct radeon_compiler * c);
  58 void rc_destroy(struct radeon_compiler * c);
  59
  60 void rc_debug(struct radeon_compiler * c, const char * fmt, ...);
  61 void rc_error(struct radeon_compiler * c, const char * fmt, ...);
  62
  63 int rc_if_fail_helper(struct radeon_compiler * c, const char * file, int line, const char * assertion);
  64
  65 /**
  66  * This macro acts like an if-statement that can be used to implement
  67  * non-aborting assertions in the compiler.
  68  *
  69  * It checks whether \p cond is true. If not, an internal compiler error is
  70  * flagged and the if-clause is run.
  71  *
  72  * A typical use-case would be:
  73  *
  74  *  if (rc_assert(c, condition-that-must-be-true))
  75  *      return;
  76  */
  77 #define rc_assert(c, cond) \
  78         (!(cond) && rc_if_fail_helper(c, __FILE__, __LINE__, #cond))
  79
  80 void rc_calculate_inputs_outputs(struct radeon_compiler * c);
  81
  82 void rc_move_input(struct radeon_compiler * c, unsigned input, struct rc_src_register new_input);
  83 void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask);
  84 void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output);
  85 void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input,
  86                                 int full_vtransform);
  87 void rc_transform_fragment_face(struct radeon_compiler *c, unsigned face);
  88
  89 struct r300_fragment_program_compiler {
  90         struct radeon_compiler Base;
  91         struct rX00_fragment_program_code *code;
  92         /* Optional transformations and features. */
  93         struct r300_fragment_program_external_state state;
  94         unsigned enable_shadow_ambient;
  95         /* Register corresponding to the depthbuffer. */
  96         unsigned OutputDepth;
  97         /* Registers corresponding to the four colorbuffers. */
  98         unsigned OutputColor[4];
  99
 100         void * UserData;
 101         void (*AllocateHwInputs)(
 102                 struct r300_fragment_program_compiler * c,
 103                 void (*allocate)(void * data, unsigned input, unsigned hwreg),
 104                 void * mydata);
 105 };
 106
 107 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c);
 108
 109
 110 struct r300_vertex_program_compiler {
 111         struct radeon_compiler Base;
 112         struct r300_vertex_program_code *code;
 113         uint32_t RequiredOutputs;
 114
 115         void * UserData;
 116         void (*SetHwInputOutput)(struct r300_vertex_program_compiler * c);
 117
 118         int PredicateIndex;
 119         unsigned int PredicateMask;
 120 };
 121
 122 void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c);
 123 void r300_vertex_program_dump(struct r300_vertex_program_compiler * c);
 124
 125 #endif /* RADEON_COMPILER_H */