src/mesa/drivers/dri/r300/r300_fragprog.h

   1 /*
   2  * Copyright (C) 2005 Ben Skeggs.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sublicense, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  */
  27
  28 /*
  29  * Authors:
  30  *   Ben Skeggs <darktama@iinet.net.au>
  31  *   Jerome Glisse <j.glisse@gmail.com>
  32  */
  33 #ifndef __R300_FRAGPROG_H_
  34 #define __R300_FRAGPROG_H_
  35
  36 #include "main/glheader.h"
  37 #include "main/macros.h"
  38 #include "main/enums.h"
  39 #include "shader/program.h"
  40 #include "shader/prog_instruction.h"
  41
  42 #include "r300_context.h"
  43 #include "radeon_program.h"
  44
  45 #define DRI_CONF_FP_OPTIMIZATION_SPEED   0
  46 #define DRI_CONF_FP_OPTIMIZATION_QUALITY 1
  47
  48 #if 1
  49
  50 /**
  51  * Fragment program helper macros
  52  */
  53
  54 /* Produce unshifted source selectors */
  55 #define FP_TMP(idx) (idx)
  56 #define FP_CONST(idx) ((idx) | (1 << 5))
  57
  58 /* Produce source/dest selector dword */
  59 #define FP_SELC_MASK_NO         0
  60 #define FP_SELC_MASK_X          1
  61 #define FP_SELC_MASK_Y          2
  62 #define FP_SELC_MASK_XY         3
  63 #define FP_SELC_MASK_Z          4
  64 #define FP_SELC_MASK_XZ         5
  65 #define FP_SELC_MASK_YZ         6
  66 #define FP_SELC_MASK_XYZ        7
  67
  68 #define FP_SELC(destidx,regmask,outmask,src0,src1,src2) \
  69         (((destidx) << R300_ALU_DSTC_SHIFT) |           \
  70          (FP_SELC_MASK_##regmask << 23) |               \
  71          (FP_SELC_MASK_##outmask << 26) |               \
  72          ((src0) << R300_ALU_SRC0C_SHIFT) |             \
  73          ((src1) << R300_ALU_SRC1C_SHIFT) |             \
  74          ((src2) << R300_ALU_SRC2C_SHIFT))
  75
  76 #define FP_SELA_MASK_NO         0
  77 #define FP_SELA_MASK_W          1
  78
  79 #define FP_SELA(destidx,regmask,outmask,src0,src1,src2) \
  80         (((destidx) << R300_ALU_DSTA_SHIFT) |           \
  81          (FP_SELA_MASK_##regmask << 23) |               \
  82          (FP_SELA_MASK_##outmask << 24) |               \
  83          ((src0) << R300_ALU_SRC0A_SHIFT) |             \
  84          ((src1) << R300_ALU_SRC1A_SHIFT) |             \
  85          ((src2) << R300_ALU_SRC2A_SHIFT))
  86
  87 /* Produce unshifted argument selectors */
  88 #define FP_ARGC(source) R300_ALU_ARGC_##source
  89 #define FP_ARGA(source) R300_ALU_ARGA_##source
  90 #define FP_ABS(arg) ((arg) | (1 << 6))
  91 #define FP_NEG(arg) ((arg) ^ (1 << 5))
  92
  93 /* Produce instruction dword */
  94 #define FP_INSTRC(opcode,arg0,arg1,arg2) \
  95         (R300_ALU_OUTC_##opcode |               \
  96         ((arg0) << R300_ALU_ARG0C_SHIFT) |      \
  97         ((arg1) << R300_ALU_ARG1C_SHIFT) |      \
  98         ((arg2) << R300_ALU_ARG2C_SHIFT))
  99
 100 #define FP_INSTRA(opcode,arg0,arg1,arg2) \
 101         (R300_ALU_OUTA_##opcode |               \
 102         ((arg0) << R300_ALU_ARG0A_SHIFT) |      \
 103         ((arg1) << R300_ALU_ARG1A_SHIFT) |      \
 104         ((arg2) << R300_ALU_ARG2A_SHIFT))
 105
 106 #endif
 107
 108 struct r300_fragment_program;
 109
 110 extern void r300TranslateFragmentShader(r300ContextPtr r300,
 111                                         struct r300_fragment_program *fp);
 112
 113
 114 /**
 115  * Used internally by the r300 fragment program code to store compile-time
 116  * only data.
 117  */
 118 struct r300_fragment_program_compiler {
 119         r300ContextPtr r300;
 120         struct r300_fragment_program *fp;
 121         struct r300_fragment_program_code *code;
 122         struct gl_program *program;
 123 };
 124
 125 extern GLboolean r300FragmentProgramEmit(struct r300_fragment_program_compiler *compiler);
 126
 127
 128 extern void r300FragmentProgramDump(
 129         struct r300_fragment_program *fp,
 130         struct r300_fragment_program_code *code);
 131
 132 #endif