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added _mesa_num_inst_src_regs() and _mesa_opcode_string()

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This commit is contained in:
Brian Paul 2005-11-05 19:12:36 +00:00
parent 637c375ee2
commit 1fcdaf1c3b
2 changed files with 116 additions and 0 deletions
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110
src/mesa/shader/program.c
View file

@ -961,6 +961,116 @@ _mesa_load_state_parameters(GLcontext *ctx,
}
/**
* Basic info about each instruction
*/
struct instruction_info
{
enum prog_opcode Opcode;
const char *Name;
GLuint NumSrcRegs;
};
/**
* Instruction info
* \note Opcode should equal array index!
*/
static const struct instruction_info InstInfo[MAX_OPCODE] = {
{ OPCODE_ABS, "ABS", 1 },
{ OPCODE_ADD, "ADD", 2 },
{ OPCODE_ARL, "ARL", 1 },
{ OPCODE_CMP, "CMP", 3 },
{ OPCODE_COS, "COS", 1 },
{ OPCODE_DDX, "DDX", 1 },
{ OPCODE_DDY, "DDY", 1 },
{ OPCODE_DP3, "DP3", 2 },
{ OPCODE_DP4, "DP4", 2 },
{ OPCODE_DPH, "DPH", 2 },
{ OPCODE_DST, "DST", 2 },
{ OPCODE_END, "END", 0 },
{ OPCODE_EX2, "EX2", 1 },
{ OPCODE_EXP, "EXP", 1 },
{ OPCODE_FLR, "FLR", 1 },
{ OPCODE_FRC, "FRC", 1 },
{ OPCODE_KIL, "KIL", 1 },
{ OPCODE_KIL_NV, "KIL", 0 },
{ OPCODE_LG2, "LG2", 1 },
{ OPCODE_LIT, "LIT", 1 },
{ OPCODE_LOG, "LOG", 1 },
{ OPCODE_LRP, "LRP", 3 },
{ OPCODE_MAD, "MAD", 3 },
{ OPCODE_MAX, "MAX", 2 },
{ OPCODE_MIN, "MIN", 2 },
{ OPCODE_MOV, "MOV", 1 },
{ OPCODE_MUL, "MUL", 2 },
{ OPCODE_PK2H, "PK2H", 1 },
{ OPCODE_PK2US, "PK2US", 1 },
{ OPCODE_PK4B, "PK4B", 1 },
{ OPCODE_PK4UB, "PK4UB", 1 },
{ OPCODE_POW, "POW", 2 },
{ OPCODE_PRINT, "PRINT", 1 },
{ OPCODE_RCC, "RCC", 1 },
{ OPCODE_RCP, "RCP", 1 },
{ OPCODE_RFL, "RFL", 1 },
{ OPCODE_RSQ, "RSQ", 1 },
{ OPCODE_SCS, "SCS", 1 },
{ OPCODE_SEQ, "SEQ", 2 },
{ OPCODE_SFL, "SFL", 0 },
{ OPCODE_SGE, "SGE", 2 },
{ OPCODE_SGT, "SGT", 2 },
{ OPCODE_SIN, "SIN", 1 },
{ OPCODE_SLE, "SLE", 2 },
{ OPCODE_SLT, "SLT", 2 },
{ OPCODE_SNE, "SNE", 2 },
{ OPCODE_STR, "STR", 0 },
{ OPCODE_SUB, "SUB", 2 },
{ OPCODE_SWZ, "SWZ", 1 },
{ OPCODE_TEX, "TEX", 1 },
{ OPCODE_TXB, "TXB", 1 },
{ OPCODE_TXD, "TXD", 3 },
{ OPCODE_TXP, "TXP", 1 },
{ OPCODE_TXP_NV, "TXP", 1 },
{ OPCODE_UP2H, "UP2H", 1 },
{ OPCODE_UP2US, "UP2US", 1 },
{ OPCODE_UP4B, "UP4B", 1 },
{ OPCODE_UP4UB, "UP4UB", 1 },
{ OPCODE_X2D, "X2D", 3 },
{ OPCODE_XPD, "XPD", 2 }
};
/**
* Return the number of src registers for the given instruction/opcode.
*/
GLuint
_mesa_num_inst_src_regs(enum prog_opcode opcode)
{
GLuint i;
#ifdef DEBUG
for (i = 0; i < MAX_OPCODE; i++) {
ASSERT(i == InstInfo[i].Opcode);
}
#endif
for (i = 0; i < MAX_OPCODE; i++) {
if (InstInfo[i].Opcode == opcode) {
return InstInfo[i].NumSrcRegs;
}
}
_mesa_problem(NULL, "invalid opcode in _mesa_num_inst_src_regs");
return 0;
}
/**
* Return string name for given program opcode.
*/
const char *
_mesa_opcode_string(enum prog_opcode opcode)
{
ASSERT(opcode < MAX_OPCODE);
return InstInfo[opcode].Name;
}
/**********************************************************************/
/* API functions */

6
src/mesa/shader/program_instruction.h
View file

@ -340,5 +340,11 @@ struct prog_instruction
extern void
_mesa_init_instruction(struct prog_instruction *inst);
extern GLuint
_mesa_num_inst_src_regs(enum prog_opcode opcode);
extern const char *
_mesa_opcode_string(enum prog_opcode opcode);
#endif /* PROG_INSTRUCTION_H */