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/mtypes.h"
  27 #include "shader/prog_instruction.h"
  28
  29 #include "memory_pool.h"
  30 #include "radeon_code.h"
  31
  32
  33 struct rc_instruction {
  34         struct rc_instruction * Prev;
  35         struct rc_instruction * Next;
  36         struct prog_instruction I;
  37 };
  38
  39 struct rc_program {
  40         /**
  41          * Instructions.Next points to the first instruction,
  42          * Instructions.Prev points to the last instruction.
  43          */
  44         struct rc_instruction Instructions;
  45
  46         /* Long term, we should probably remove InputsRead & OutputsWritten,
  47          * since updating dependent state can be fragile, and they aren't
  48          * actually used very often. */
  49         uint32_t InputsRead;
  50         uint32_t OutputsWritten;
  51         uint32_t ShadowSamplers; /**< Texture units used for shadow sampling. */
  52
  53         struct rc_constant_list Constants;
  54 };
  55
  56 struct radeon_compiler {
  57         struct memory_pool Pool;
  58         struct rc_program Program;
  59         unsigned Debug:1;
  60         unsigned Error:1;
  61         char * ErrorMsg;
  62 };
  63
  64 void rc_init(struct radeon_compiler * c);
  65 void rc_destroy(struct radeon_compiler * c);
  66
  67 void rc_debug(struct radeon_compiler * c, const char * fmt, ...);
  68 void rc_error(struct radeon_compiler * c, const char * fmt, ...);
  69
  70 void rc_calculate_inputs_outputs(struct radeon_compiler * c);
  71
  72 void rc_move_input(struct radeon_compiler * c, unsigned input, struct prog_src_register new_input);
  73 void rc_move_output(struct radeon_compiler * c, unsigned output, unsigned new_output, unsigned writemask);
  74 void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_output);
  75 void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input);
  76
  77 struct r300_fragment_program_compiler {
  78         struct radeon_compiler Base;
  79         struct rX00_fragment_program_code *code;
  80         struct r300_fragment_program_external_state state;
  81         unsigned is_r500;
  82         unsigned OutputDepth;
  83         unsigned OutputColor;
  84
  85         void * UserData;
  86         void (*AllocateHwInputs)(
  87                 struct r300_fragment_program_compiler * c,
  88                 void (*allocate)(void * data, unsigned input, unsigned hwreg),
  89                 void * mydata);
  90 };
  91
  92 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c);
  93
  94
  95 struct r300_vertex_program_compiler {
  96         struct radeon_compiler Base;
  97         struct r300_vertex_program_code *code;
  98         GLbitfield RequiredOutputs;
  99
 100         void * UserData;
 101         void (*SetHwInputOutput)(struct r300_vertex_program_compiler * c);
 102 };
 103
 104 void r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c);
 105
 106 #endif /* RADEON_COMPILER_H */