src/gallium/auxiliary/vl/vl_shader_build.c

   1 #include "vl_shader_build.h"
   2 #include <assert.h>
   3 #include <tgsi/tgsi_parse.h>
   4 #include <tgsi/tgsi_build.h>
   5
   6 struct tgsi_full_declaration vl_decl_input(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
   7 {
   8    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
   9
  10    decl.Declaration.File = TGSI_FILE_INPUT;
  11    decl.Declaration.Semantic = 1;
  12    decl.Semantic.SemanticName = name;
  13    decl.Semantic.SemanticIndex = index;
  14    decl.DeclarationRange.First = first;
  15    decl.DeclarationRange.Last = last;
  16
  17    return decl;
  18 }
  19
  20 struct tgsi_full_declaration vl_decl_interpolated_input
  21 (
  22    unsigned int name,
  23    unsigned int index,
  24    unsigned int first,
  25    unsigned int last,
  26    int interpolation
  27 )
  28 {
  29    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  30
  31    assert
  32    (
  33       interpolation == TGSI_INTERPOLATE_CONSTANT ||
  34       interpolation == TGSI_INTERPOLATE_LINEAR ||
  35       interpolation == TGSI_INTERPOLATE_PERSPECTIVE
  36    );
  37
  38    decl.Declaration.File = TGSI_FILE_INPUT;
  39    decl.Declaration.Semantic = 1;
  40    decl.Semantic.SemanticName = name;
  41    decl.Semantic.SemanticIndex = index;
  42    decl.Declaration.Interpolate = interpolation;;
  43    decl.DeclarationRange.First = first;
  44    decl.DeclarationRange.Last = last;
  45
  46    return decl;
  47 }
  48
  49 struct tgsi_full_declaration vl_decl_constants(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
  50 {
  51    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  52
  53    decl.Declaration.File = TGSI_FILE_CONSTANT;
  54    decl.Declaration.Semantic = 1;
  55    decl.Semantic.SemanticName = name;
  56    decl.Semantic.SemanticIndex = index;
  57    decl.DeclarationRange.First = first;
  58    decl.DeclarationRange.Last = last;
  59
  60    return decl;
  61 }
  62
  63 struct tgsi_full_declaration vl_decl_output(unsigned int name, unsigned int index, unsigned int first, unsigned int last)
  64 {
  65    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  66
  67    decl.Declaration.File = TGSI_FILE_OUTPUT;
  68    decl.Declaration.Semantic = 1;
  69    decl.Semantic.SemanticName = name;
  70    decl.Semantic.SemanticIndex = index;
  71    decl.DeclarationRange.First = first;
  72    decl.DeclarationRange.Last = last;
  73
  74    return decl;
  75 }
  76
  77 struct tgsi_full_declaration vl_decl_temps(unsigned int first, unsigned int last)
  78 {
  79    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  80
  81    decl = tgsi_default_full_declaration();
  82    decl.Declaration.File = TGSI_FILE_TEMPORARY;
  83    decl.DeclarationRange.First = first;
  84    decl.DeclarationRange.Last = last;
  85
  86    return decl;
  87 }
  88
  89 struct tgsi_full_declaration vl_decl_samplers(unsigned int first, unsigned int last)
  90 {
  91    struct tgsi_full_declaration decl = tgsi_default_full_declaration();
  92
  93    decl = tgsi_default_full_declaration();
  94    decl.Declaration.File = TGSI_FILE_SAMPLER;
  95    decl.DeclarationRange.First = first;
  96    decl.DeclarationRange.Last = last;
  97
  98    return decl;
  99 }
 100
 101 struct tgsi_full_instruction vl_inst2
 102 (
 103    int opcode,
 104    enum tgsi_file_type dst_file,
 105    unsigned int dst_index,
 106    enum tgsi_file_type src_file,
 107    unsigned int src_index
 108 )
 109 {
 110    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 111
 112    inst.Instruction.Opcode = opcode;
 113    inst.Instruction.NumDstRegs = 1;
 114    inst.FullDstRegisters[0].DstRegister.File = dst_file;
 115    inst.FullDstRegisters[0].DstRegister.Index = dst_index;
 116    inst.Instruction.NumSrcRegs = 1;
 117    inst.FullSrcRegisters[0].SrcRegister.File = src_file;
 118    inst.FullSrcRegisters[0].SrcRegister.Index = src_index;
 119
 120    return inst;
 121 }
 122
 123 struct tgsi_full_instruction vl_inst3
 124 (
 125    int opcode,
 126    enum tgsi_file_type dst_file,
 127    unsigned int dst_index,
 128    enum tgsi_file_type src1_file,
 129    unsigned int src1_index,
 130    enum tgsi_file_type src2_file,
 131    unsigned int src2_index
 132 )
 133 {
 134    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 135
 136    inst.Instruction.Opcode = opcode;
 137    inst.Instruction.NumDstRegs = 1;
 138    inst.FullDstRegisters[0].DstRegister.File = dst_file;
 139    inst.FullDstRegisters[0].DstRegister.Index = dst_index;
 140    inst.Instruction.NumSrcRegs = 2;
 141    inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
 142    inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
 143    inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
 144    inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
 145
 146    return inst;
 147 }
 148
 149 struct tgsi_full_instruction vl_tex
 150 (
 151    int tex,
 152    enum tgsi_file_type dst_file,
 153    unsigned int dst_index,
 154    enum tgsi_file_type src1_file,
 155    unsigned int src1_index,
 156    enum tgsi_file_type src2_file,
 157    unsigned int src2_index
 158 )
 159 {
 160    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 161
 162    inst.Instruction.Opcode = TGSI_OPCODE_TEX;
 163    inst.Instruction.NumDstRegs = 1;
 164    inst.FullDstRegisters[0].DstRegister.File = dst_file;
 165    inst.FullDstRegisters[0].DstRegister.Index = dst_index;
 166    inst.Instruction.NumSrcRegs = 2;
 167    inst.InstructionExtTexture.Texture = tex;
 168    inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
 169    inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
 170    inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
 171    inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
 172
 173    return inst;
 174 }
 175
 176 struct tgsi_full_instruction vl_inst4
 177 (
 178    int opcode,
 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    enum tgsi_file_type src3_file,
 186    unsigned int src3_index
 187 )
 188 {
 189    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 190
 191    inst.Instruction.Opcode = opcode;
 192    inst.Instruction.NumDstRegs = 1;
 193    inst.FullDstRegisters[0].DstRegister.File = dst_file;
 194    inst.FullDstRegisters[0].DstRegister.Index = dst_index;
 195    inst.Instruction.NumSrcRegs = 3;
 196    inst.FullSrcRegisters[0].SrcRegister.File = src1_file;
 197    inst.FullSrcRegisters[0].SrcRegister.Index = src1_index;
 198    inst.FullSrcRegisters[1].SrcRegister.File = src2_file;
 199    inst.FullSrcRegisters[1].SrcRegister.Index = src2_index;
 200    inst.FullSrcRegisters[2].SrcRegister.File = src3_file;
 201    inst.FullSrcRegisters[2].SrcRegister.Index = src3_index;
 202
 203    return inst;
 204 }
 205
 206 struct tgsi_full_instruction vl_end(void)
 207 {
 208    struct tgsi_full_instruction inst = tgsi_default_full_instruction();
 209
 210    inst.Instruction.Opcode = TGSI_OPCODE_END;
 211    inst.Instruction.NumDstRegs = 0;
 212    inst.Instruction.NumSrcRegs = 0;
 213
 214    return inst;
 215 }