src/gallium/auxiliary/vl/vl_shader_build.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 Younes Manton.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * 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, sub license, 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 portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "vl_shader_build.h"
  29 #include <assert.h>
  30 #include <tgsi/tgsi_parse.h>
  31 #include <tgsi/tgsi_build.h>
  32
  33 struct tgsi_full_declaration vl_decl_input(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
  34 {
  35    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  36
  37    decl.Declaration.File = TGSI_FILE_INPUT;
  38    decl.Declaration.Semantic = 1;
  39    decl.Semantic.Name = name;
  40    decl.Semantic.Index = index;
  41    decl.Range.First = first;
  42    decl.Range.Last = last;
  43
  44    return decl;
  45 }
  46
  47 struct tgsi_full_declaration vl_decl_interpolated_input
  48 (
  49    unsigned int name,
  50    unsigned int index,
  51    unsigned int first,
  52    unsigned int last,
  53    int interpolation
  54 )
  55 {
  56    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  57
  58    assert
  59    (
  60       interpolation == TGSI_INTERPOLATE_CONSTANT ||
  61       interpolation == TGSI_INTERPOLATE_LINEAR ||
  62       interpolation == TGSI_INTERPOLATE_PERSPECTIVE
  63    );
  64
  65    decl.Declaration.File = TGSI_FILE_INPUT;
  66    decl.Declaration.Semantic = 1;
  67    decl.Semantic.Name = name;
  68    decl.Semantic.Index = index;
  69    decl.Declaration.Interpolate = interpolation;;
  70    decl.Range.First = first;
  71    decl.Range.Last = last;
  72
  73    return decl;
  74 }
  75
  76 struct tgsi_full_declaration vl_decl_constants(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
  77 {
  78    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  79
  80    decl.Declaration.File = TGSI_FILE_CONSTANT;
  81    decl.Declaration.Semantic = 1;
  82    decl.Semantic.Name = name;
  83    decl.Semantic.Index = index;
  84    decl.Range.First = first;
  85    decl.Range.Last = last;
  86
  87    return decl;
  88 }
  89
  90 struct tgsi_full_declaration vl_decl_output(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
  91 {
  92    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  93
  94    decl.Declaration.File = TGSI_FILE_OUTPUT;
  95    decl.Declaration.Semantic = 1;
  96    decl.Semantic.Name = name;
  97    decl.Semantic.Index = index;
  98    decl.Range.First = first;
  99    decl.Range.Last = last;
 100
 101    return decl;
 102 }
 103
 104 struct tgsi_full_declaration vl_decl_temps(unsigned int first, unsigned int last)
 105 {
 106    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
 107
 108    decl = tgsi_default_full_declaration();
 109    decl.Declaration.File = TGSI_FILE_TEMPORARY;
 110    decl.Range.First = first;
 111    decl.Range.Last = last;
 112
 113    return decl;
 114 }
 115
 116 struct tgsi_full_declaration vl_decl_samplers(unsigned int first, unsigned int last)
 117 {
 118    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
 119
 120    decl = tgsi_default_full_declaration();
 121    decl.Declaration.File = TGSI_FILE_SAMPLER;
 122    decl.Range.First = first;
 123    decl.Range.Last = last;
 124
 125    return decl;
 126 }
 127
 128 struct tgsi_full_instruction vl_inst2
 129 (
 130    int opcode,
 131    enum tgsi_file_type dst_file,
 132    unsigned int dst_index,
 133    enum tgsi_file_type src_file,
 134    unsigned int src_index
 135 )
 136 {
 137    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 138
 139    inst.Instruction.Opcode = opcode;
 140    inst.Instruction.NumDstRegs = 1;
 141    inst.Dst[0].Register.File = dst_file;
 142    inst.Dst[0].Register.Index = dst_index;
 143    inst.Instruction.NumSrcRegs = 1;
 144    inst.Src[0].Register.File = src_file;
 145    inst.Src[0].Register.Index = src_index;
 146
 147    return inst;
 148 }
 149
 150 struct tgsi_full_instruction vl_inst3
 151 (
 152    int opcode,
 153    enum tgsi_file_type dst_file,
 154    unsigned int dst_index,
 155    enum tgsi_file_type src1_file,
 156    unsigned int src1_index,
 157    enum tgsi_file_type src2_file,
 158    unsigned int src2_index
 159 )
 160 {
 161    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 162
 163    inst.Instruction.Opcode = opcode;
 164    inst.Instruction.NumDstRegs = 1;
 165    inst.Dst[0].Register.File = dst_file;
 166    inst.Dst[0].Register.Index = dst_index;
 167    inst.Instruction.NumSrcRegs = 2;
 168    inst.Src[0].Register.File = src1_file;
 169    inst.Src[0].Register.Index = src1_index;
 170    inst.Src[1].Register.File = src2_file;
 171    inst.Src[1].Register.Index = src2_index;
 172
 173    return inst;
 174 }
 175
 176 struct tgsi_full_instruction vl_tex
 177 (
 178    int tex,
 179    enum tgsi_file_type dst_file,
 180    unsigned int dst_index,
 181    enum tgsi_file_type src1_file,
 182    unsigned int src1_index,
 183    enum tgsi_file_type src2_file,
 184    unsigned int src2_index
 185 )
 186 {
 187    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 188
 189    inst.Instruction.Opcode = TGSI_OPCODE_TEX;
 190    inst.Instruction.NumDstRegs = 1;
 191    inst.Dst[0].Register.File = dst_file;
 192    inst.Dst[0].Register.Index = dst_index;
 193    inst.Instruction.NumSrcRegs = 2;
 194    inst.Instruction.Texture = 1;
 195    inst.Texture.Texture = tex;
 196    inst.Src[0].Register.File = src1_file;
 197    inst.Src[0].Register.Index = src1_index;
 198    inst.Src[1].Register.File = src2_file;
 199    inst.Src[1].Register.Index = src2_index;
 200
 201    return inst;
 202 }
 203
 204 struct tgsi_full_instruction vl_inst4
 205 (
 206    int opcode,
 207    enum tgsi_file_type dst_file,
 208    unsigned int dst_index,
 209    enum tgsi_file_type src1_file,
 210    unsigned int src1_index,
 211    enum tgsi_file_type src2_file,
 212    unsigned int src2_index,
 213    enum tgsi_file_type src3_file,
 214    unsigned int src3_index
 215 )
 216 {
 217    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 218
 219    inst.Instruction.Opcode = opcode;
 220    inst.Instruction.NumDstRegs = 1;
 221    inst.Dst[0].Register.File = dst_file;
 222    inst.Dst[0].Register.Index = dst_index;
 223    inst.Instruction.NumSrcRegs = 3;
 224    inst.Src[0].Register.File = src1_file;
 225    inst.Src[0].Register.Index = src1_index;
 226    inst.Src[1].Register.File = src2_file;
 227    inst.Src[1].Register.Index = src2_index;
 228    inst.Src[2].Register.File = src3_file;
 229    inst.Src[2].Register.Index = src3_index;
 230
 231    return inst;
 232 }
 233
 234 struct tgsi_full_instruction vl_end(void)
 235 {
 236    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 237
 238    inst.Instruction.Opcode = TGSI_OPCODE_END;
 239    inst.Instruction.NumDstRegs = 0;
 240    inst.Instruction.NumSrcRegs = 0;
 241
 242    return inst;
 243 }