diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/shader/slang/slang_ir.c | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c new file mode 100644 index 00000000000..5790d0ab7f5 --- /dev/null +++ b/src/mesa/shader/slang/slang_ir.c @@ -0,0 +1,354 @@ +/* + * Mesa 3-D graphics library + * Version: 6.5.3 + * + * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include "imports.h" +#include "context.h" +#include "slang_ir.h" +#include "prog_print.h" + + +static const slang_ir_info IrInfo[] = { + /* binary ops */ + { IR_ADD, "IR_ADD", OPCODE_ADD, 4, 2 }, + { IR_SUB, "IR_SUB", OPCODE_SUB, 4, 2 }, + { IR_MUL, "IR_MUL", OPCODE_MUL, 4, 2 }, + { IR_DIV, "IR_DIV", OPCODE_NOP, 0, 2 }, /* XXX broke */ + { IR_DOT4, "IR_DOT_4", OPCODE_DP4, 1, 2 }, + { IR_DOT3, "IR_DOT_3", OPCODE_DP3, 1, 2 }, + { IR_CROSS, "IR_CROSS", OPCODE_XPD, 3, 2 }, + { IR_LRP, "IR_LRP", OPCODE_LRP, 4, 3 }, + { IR_MIN, "IR_MIN", OPCODE_MIN, 4, 2 }, + { IR_MAX, "IR_MAX", OPCODE_MAX, 4, 2 }, + { IR_CLAMP, "IR_CLAMP", OPCODE_NOP, 4, 3 }, /* special case: emit_clamp() */ + { IR_SEQUAL, "IR_SEQUAL", OPCODE_SEQ, 4, 2 }, + { IR_SNEQUAL, "IR_SNEQUAL", OPCODE_SNE, 4, 2 }, + { IR_SGE, "IR_SGE", OPCODE_SGE, 4, 2 }, + { IR_SGT, "IR_SGT", OPCODE_SGT, 4, 2 }, + { IR_SLE, "IR_SLE", OPCODE_SLE, 4, 2 }, + { IR_SLT, "IR_SLT", OPCODE_SLT, 4, 2 }, + { IR_POW, "IR_POW", OPCODE_POW, 1, 2 }, + /* unary ops */ + { IR_I_TO_F, "IR_I_TO_F", OPCODE_NOP, 1, 1 }, + { IR_F_TO_I, "IR_F_TO_I", OPCODE_INT, 4, 1 }, /* 4 floats to 4 ints */ + { IR_EXP, "IR_EXP", OPCODE_EXP, 1, 1 }, + { IR_EXP2, "IR_EXP2", OPCODE_EX2, 1, 1 }, + { IR_LOG2, "IR_LOG2", OPCODE_LG2, 1, 1 }, + { IR_RSQ, "IR_RSQ", OPCODE_RSQ, 1, 1 }, + { IR_RCP, "IR_RCP", OPCODE_RCP, 1, 1 }, + { IR_FLOOR, "IR_FLOOR", OPCODE_FLR, 4, 1 }, + { IR_FRAC, "IR_FRAC", OPCODE_FRC, 4, 1 }, + { IR_ABS, "IR_ABS", OPCODE_ABS, 4, 1 }, + { IR_NEG, "IR_NEG", OPCODE_NOP, 4, 1 }, /* special case: emit_negation() */ + { IR_DDX, "IR_DDX", OPCODE_DDX, 4, 1 }, + { IR_DDX, "IR_DDY", OPCODE_DDX, 4, 1 }, + { IR_SIN, "IR_SIN", OPCODE_SIN, 1, 1 }, + { IR_COS, "IR_COS", OPCODE_COS, 1, 1 }, + { IR_NOISE1, "IR_NOISE1", OPCODE_NOISE1, 1, 1 }, + { IR_NOISE2, "IR_NOISE2", OPCODE_NOISE2, 1, 1 }, + { IR_NOISE3, "IR_NOISE3", OPCODE_NOISE3, 1, 1 }, + { IR_NOISE4, "IR_NOISE4", OPCODE_NOISE4, 1, 1 }, + + /* other */ + { IR_SEQ, "IR_SEQ", OPCODE_NOP, 0, 0 }, + { IR_SCOPE, "IR_SCOPE", OPCODE_NOP, 0, 0 }, + { IR_LABEL, "IR_LABEL", OPCODE_NOP, 0, 0 }, + { IR_JUMP, "IR_JUMP", OPCODE_NOP, 0, 0 }, + { IR_IF, "IR_IF", OPCODE_NOP, 0, 0 }, + { IR_KILL, "IR_KILL", OPCODE_NOP, 0, 0 }, + { IR_COND, "IR_COND", OPCODE_NOP, 0, 0 }, + { IR_CALL, "IR_CALL", OPCODE_NOP, 0, 0 }, + { IR_MOVE, "IR_MOVE", OPCODE_NOP, 0, 1 }, + { IR_NOT, "IR_NOT", OPCODE_NOP, 1, 1 }, + { IR_VAR, "IR_VAR", OPCODE_NOP, 0, 0 }, + { IR_VAR_DECL, "IR_VAR_DECL", OPCODE_NOP, 0, 0 }, + { IR_TEX, "IR_TEX", OPCODE_TEX, 4, 1 }, + { IR_TEXB, "IR_TEXB", OPCODE_TXB, 4, 1 }, + { IR_TEXP, "IR_TEXP", OPCODE_TXP, 4, 1 }, + { IR_FLOAT, "IR_FLOAT", OPCODE_NOP, 0, 0 }, /* float literal */ + { IR_FIELD, "IR_FIELD", OPCODE_NOP, 0, 0 }, + { IR_ELEMENT, "IR_ELEMENT", OPCODE_NOP, 0, 0 }, + { IR_SWIZZLE, "IR_SWIZZLE", OPCODE_NOP, 0, 0 }, + { IR_NOP, NULL, OPCODE_NOP, 0, 0 } +}; + + +const slang_ir_info * +_slang_ir_info(slang_ir_opcode opcode) +{ + GLuint i; + for (i = 0; IrInfo[i].IrName; i++) { + if (IrInfo[i].IrOpcode == opcode) { + return IrInfo + i; + } + } + return NULL; +} + +static const char * +slang_ir_name(slang_ir_opcode opcode) +{ + return _slang_ir_info(opcode)->IrName; +} + + + +/** + * Recursively free an IR tree. + */ +void +_slang_free_ir_tree(slang_ir_node *n) +{ +#if 1 + GLuint i; + if (!n) + return; + for (i = 0; i < 3; i++) + _slang_free_ir_tree(n->Children[i]); + /* Do not free n->List since it's a child elsewhere */ + free(n); +#endif +} + + + + + + +static const char * +swizzle_string(GLuint swizzle) +{ + static char s[6]; + GLuint i; + s[0] = '.'; + for (i = 1; i < 5; i++) { + s[i] = "xyzw"[GET_SWZ(swizzle, i-1)]; + } + s[i] = 0; + return s; +} + +static const char * +writemask_string(GLuint writemask) +{ + static char s[6]; + GLuint i, j = 0; + s[j++] = '.'; + for (i = 0; i < 4; i++) { + if (writemask & (1 << i)) + s[j++] = "xyzw"[i]; + } + s[j] = 0; + return s; +} + +static const char * +storage_string(const slang_ir_storage *st) +{ + static const char *files[] = { + "TEMP", + "LOCAL_PARAM", + "ENV_PARAM", + "STATE", + "INPUT", + "OUTPUT", + "NAMED_PARAM", + "CONSTANT", + "UNIFORM", + "WRITE_ONLY", + "ADDRESS", + "SAMPLER", + "UNDEFINED" + }; + static char s[100]; +#if 0 + if (st->Size == 1) + sprintf(s, "%s[%d]", files[st->File], st->Index); + else + sprintf(s, "%s[%d..%d]", files[st->File], st->Index, + st->Index + st->Size - 1); +#endif + assert(st->File < (GLint) (sizeof(files) / sizeof(files[0]))); + sprintf(s, "%s[%d]", files[st->File], st->Index); + return s; +} + + +static void +spaces(int n) +{ + while (n-- > 0) { + printf(" "); + } +} + + +#define IND 0 + + +void +_slang_print_ir_tree(const slang_ir_node *n, int indent) +{ + if (!n) + return; +#if !IND + if (n->Opcode != IR_SEQ) +#else + printf("%3d:", indent); +#endif + spaces(indent); + + switch (n->Opcode) { + case IR_SEQ: +#if IND + printf("SEQ at %p\n", (void*) n); +#endif + assert(n->Children[0]); + assert(n->Children[1]); + _slang_print_ir_tree(n->Children[0], indent + IND); + _slang_print_ir_tree(n->Children[1], indent + IND); + break; + case IR_SCOPE: + printf("NEW SCOPE\n"); + assert(!n->Children[1]); + _slang_print_ir_tree(n->Children[0], indent + 3); + break; + case IR_MOVE: + printf("MOVE (writemask = %s)\n", writemask_string(n->Writemask)); + _slang_print_ir_tree(n->Children[0], indent+3); + _slang_print_ir_tree(n->Children[1], indent+3); + break; + case IR_LABEL: + printf("LABEL: %s\n", n->Label->Name); + break; + case IR_COND: + printf("COND\n"); + _slang_print_ir_tree(n->Children[0], indent + 3); + break; + case IR_JUMP: + printf("JUMP %s\n", n->Label->Name); + break; + + case IR_IF: + printf("IF \n"); + _slang_print_ir_tree(n->Children[0], indent+3); + spaces(indent); + printf("THEN\n"); + _slang_print_ir_tree(n->Children[1], indent+3); + if (n->Children[2]) { + spaces(indent); + printf("ELSE\n"); + _slang_print_ir_tree(n->Children[2], indent+3); + } + spaces(indent); + printf("ENDIF\n"); + break; + + case IR_BEGIN_SUB: + printf("BEGIN_SUB\n"); + break; + case IR_END_SUB: + printf("END_SUB\n"); + break; + case IR_RETURN: + printf("RETURN\n"); + break; + case IR_CALL: + printf("CALL\n"); + break; + + case IR_LOOP: + printf("LOOP\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + if (n->Children[1]) { + spaces(indent); + printf("TAIL:\n"); + _slang_print_ir_tree(n->Children[1], indent+3); + } + spaces(indent); + printf("ENDLOOP\n"); + break; + case IR_CONT: + printf("CONT\n"); + break; + case IR_BREAK: + printf("BREAK\n"); + break; + case IR_BREAK_IF_FALSE: + printf("BREAK_IF_FALSE\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + case IR_BREAK_IF_TRUE: + printf("BREAK_IF_TRUE\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + case IR_CONT_IF_FALSE: + printf("CONT_IF_FALSE\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + case IR_CONT_IF_TRUE: + printf("CONT_IF_TRUE\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + + case IR_VAR: + printf("VAR %s%s at %s store %p\n", + (n->Var ? (char *) n->Var->a_name : "TEMP"), + swizzle_string(n->Store->Swizzle), + storage_string(n->Store), (void*) n->Store); + break; + case IR_VAR_DECL: + printf("VAR_DECL %s (%p) at %s store %p\n", + (n->Var ? (char *) n->Var->a_name : "TEMP"), + (void*) n->Var, storage_string(n->Store), + (void*) n->Store); + break; + case IR_FIELD: + printf("FIELD %s of\n", n->Field); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + case IR_FLOAT: + printf("FLOAT %g %g %g %g\n", + n->Value[0], n->Value[1], n->Value[2], n->Value[3]); + break; + case IR_I_TO_F: + printf("INT_TO_FLOAT\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + case IR_F_TO_I: + printf("FLOAT_TO_INT\n"); + _slang_print_ir_tree(n->Children[0], indent+3); + break; + case IR_SWIZZLE: + printf("SWIZZLE %s of (store %p) \n", + swizzle_string(n->Store->Swizzle), (void*) n->Store); + _slang_print_ir_tree(n->Children[0], indent + 3); + break; + default: + printf("%s (%p, %p) (store %p)\n", slang_ir_name(n->Opcode), + (void*) n->Children[0], (void*) n->Children[1], (void*) n->Store); + _slang_print_ir_tree(n->Children[0], indent+3); + _slang_print_ir_tree(n->Children[1], indent+3); + } +} |