/*
* Mesa 3-D graphics library
- * Version: 6.5.3
+ * Version: 7.3
*
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2009 VMware, Inc. 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"),
*/
-#include "glheader.h"
-#include "imports.h"
-#include "mtypes.h"
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/mtypes.h"
#include "prog_instruction.h"
}
+/**
+ * Copy an array of program instructions.
+ * \param dest pointer to destination.
+ * \param src pointer to source.
+ * \param n number of instructions to copy.
+ * \return pointer to destination.
+ */
+struct prog_instruction *
+_mesa_copy_instructions(struct prog_instruction *dest,
+ const struct prog_instruction *src, GLuint n)
+{
+ GLuint i;
+ _mesa_memcpy(dest, src, n * sizeof(struct prog_instruction));
+ for (i = 0; i < n; i++) {
+ if (src[i].Comment)
+ dest[i].Comment = _mesa_strdup(src[i].Comment);
+ }
+ return dest;
+}
+
+
+/**
+ * Free an array of instructions
+ */
+void
+_mesa_free_instructions(struct prog_instruction *inst, GLuint count)
+{
+ GLuint i;
+ for (i = 0; i < count; i++) {
+ if (inst[i].Data)
+ _mesa_free(inst[i].Data);
+ if (inst[i].Comment)
+ _mesa_free((char *) inst[i].Comment);
+ }
+ _mesa_free(inst);
+}
+
/**
* Basic info about each instruction
gl_inst_opcode Opcode;
const char *Name;
GLuint NumSrcRegs;
+ GLuint NumDstRegs;
};
/**
* \note Opcode should equal array index!
*/
static const struct instruction_info InstInfo[MAX_OPCODE] = {
- { OPCODE_NOP, "NOP", 0 },
- { OPCODE_ABS, "ABS", 1 },
- { OPCODE_ADD, "ADD", 2 },
- { OPCODE_ARA, "ARA", 1 },
- { OPCODE_ARL, "ARL", 1 },
- { OPCODE_ARL_NV, "ARL", 1 },
- { OPCODE_ARR, "ARL", 1 },
- { OPCODE_BGNLOOP,"BGNLOOP", 0 },
- { OPCODE_BGNSUB, "BGNSUB", 0 },
- { OPCODE_BRA, "BRA", 0 },
- { OPCODE_BRK, "BRK", 0 },
- { OPCODE_CAL, "CAL", 0 },
- { OPCODE_CMP, "CMP", 3 },
- { OPCODE_CONT, "CONT", 1 },
- { 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_ELSE, "ELSE", 0 },
- { OPCODE_END, "END", 0 },
- { OPCODE_ENDIF, "ENDIF", 0 },
- { OPCODE_ENDLOOP,"ENDLOOP", 0 },
- { OPCODE_ENDSUB, "ENDSUB", 0 },
- { OPCODE_EX2, "EX2", 1 },
- { OPCODE_EXP, "EXP", 1 },
- { OPCODE_FLR, "FLR", 1 },
- { OPCODE_FRC, "FRC", 1 },
- { OPCODE_IF, "IF", 0 },
- { OPCODE_INT, "INT", 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_NOISE1, "NOISE1", 1 },
- { OPCODE_NOISE2, "NOISE2", 1 },
- { OPCODE_NOISE3, "NOISE3", 1 },
- { OPCODE_NOISE4, "NOISE4", 1 },
- { OPCODE_PK2H, "PK2H", 1 },
- { OPCODE_PK2US, "PK2US", 1 },
- { OPCODE_PK4B, "PK4B", 1 },
- { OPCODE_PK4UB, "PK4UB", 1 },
- { OPCODE_POW, "POW", 2 },
- { OPCODE_POPA, "POPA", 0 },
- { OPCODE_PRINT, "PRINT", 1 },
- { OPCODE_PUSHA, "PUSHA", 0 },
- { OPCODE_RCC, "RCC", 1 },
- { OPCODE_RCP, "RCP", 1 },
- { OPCODE_RET, "RET", 0 },
- { 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_SSG, "SSG", 1 },
- { 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_TXL, "TXL", 1 },
- { 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 }
+ { OPCODE_NOP, "NOP", 0, 0 },
+ { OPCODE_ABS, "ABS", 1, 1 },
+ { OPCODE_ADD, "ADD", 2, 1 },
+ { OPCODE_AND, "AND", 2, 1 },
+ { OPCODE_ARA, "ARA", 1, 1 },
+ { OPCODE_ARL, "ARL", 1, 1 },
+ { OPCODE_ARL_NV, "ARL_NV", 1, 1 },
+ { OPCODE_ARR, "ARL", 1, 1 },
+ { OPCODE_BGNLOOP,"BGNLOOP", 0, 0 },
+ { OPCODE_BGNSUB, "BGNSUB", 0, 0 },
+ { OPCODE_BRA, "BRA", 0, 0 },
+ { OPCODE_BRK, "BRK", 0, 0 },
+ { OPCODE_CAL, "CAL", 0, 0 },
+ { OPCODE_CMP, "CMP", 3, 1 },
+ { OPCODE_CONT, "CONT", 0, 0 },
+ { OPCODE_COS, "COS", 1, 1 },
+ { OPCODE_DDX, "DDX", 1, 1 },
+ { OPCODE_DDY, "DDY", 1, 1 },
+ { OPCODE_DP2, "DP2", 2, 1 },
+ { OPCODE_DP2A, "DP2A", 3, 1 },
+ { OPCODE_DP3, "DP3", 2, 1 },
+ { OPCODE_DP4, "DP4", 2, 1 },
+ { OPCODE_DPH, "DPH", 2, 1 },
+ { OPCODE_DST, "DST", 2, 1 },
+ { OPCODE_ELSE, "ELSE", 0, 0 },
+ { OPCODE_END, "END", 0, 0 },
+ { OPCODE_ENDIF, "ENDIF", 0, 0 },
+ { OPCODE_ENDLOOP,"ENDLOOP", 0, 0 },
+ { OPCODE_ENDSUB, "ENDSUB", 0, 0 },
+ { OPCODE_EX2, "EX2", 1, 1 },
+ { OPCODE_EXP, "EXP", 1, 1 },
+ { OPCODE_FLR, "FLR", 1, 1 },
+ { OPCODE_FRC, "FRC", 1, 1 },
+ { OPCODE_IF, "IF", 1, 0 },
+ { OPCODE_KIL, "KIL", 1, 0 },
+ { OPCODE_KIL_NV, "KIL_NV", 0, 0 },
+ { OPCODE_LG2, "LG2", 1, 1 },
+ { OPCODE_LIT, "LIT", 1, 1 },
+ { OPCODE_LOG, "LOG", 1, 1 },
+ { OPCODE_LRP, "LRP", 3, 1 },
+ { OPCODE_MAD, "MAD", 3, 1 },
+ { OPCODE_MAX, "MAX", 2, 1 },
+ { OPCODE_MIN, "MIN", 2, 1 },
+ { OPCODE_MOV, "MOV", 1, 1 },
+ { OPCODE_MUL, "MUL", 2, 1 },
+ { OPCODE_NOISE1, "NOISE1", 1, 1 },
+ { OPCODE_NOISE2, "NOISE2", 1, 1 },
+ { OPCODE_NOISE3, "NOISE3", 1, 1 },
+ { OPCODE_NOISE4, "NOISE4", 1, 1 },
+ { OPCODE_NOT, "NOT", 1, 1 },
+ { OPCODE_NRM3, "NRM3", 1, 1 },
+ { OPCODE_NRM4, "NRM4", 1, 1 },
+ { OPCODE_OR, "OR", 2, 1 },
+ { OPCODE_PK2H, "PK2H", 1, 1 },
+ { OPCODE_PK2US, "PK2US", 1, 1 },
+ { OPCODE_PK4B, "PK4B", 1, 1 },
+ { OPCODE_PK4UB, "PK4UB", 1, 1 },
+ { OPCODE_POW, "POW", 2, 1 },
+ { OPCODE_POPA, "POPA", 0, 0 },
+ { OPCODE_PRINT, "PRINT", 1, 0 },
+ { OPCODE_PUSHA, "PUSHA", 0, 0 },
+ { OPCODE_RCC, "RCC", 1, 1 },
+ { OPCODE_RCP, "RCP", 1, 1 },
+ { OPCODE_RET, "RET", 0, 0 },
+ { OPCODE_RFL, "RFL", 1, 1 },
+ { OPCODE_RSQ, "RSQ", 1, 1 },
+ { OPCODE_SCS, "SCS", 1, 1 },
+ { OPCODE_SEQ, "SEQ", 2, 1 },
+ { OPCODE_SFL, "SFL", 0, 1 },
+ { OPCODE_SGE, "SGE", 2, 1 },
+ { OPCODE_SGT, "SGT", 2, 1 },
+ { OPCODE_SIN, "SIN", 1, 1 },
+ { OPCODE_SLE, "SLE", 2, 1 },
+ { OPCODE_SLT, "SLT", 2, 1 },
+ { OPCODE_SNE, "SNE", 2, 1 },
+ { OPCODE_SSG, "SSG", 1, 1 },
+ { OPCODE_STR, "STR", 0, 1 },
+ { OPCODE_SUB, "SUB", 2, 1 },
+ { OPCODE_SWZ, "SWZ", 1, 1 },
+ { OPCODE_TEX, "TEX", 1, 1 },
+ { OPCODE_TXB, "TXB", 1, 1 },
+ { OPCODE_TXD, "TXD", 3, 1 },
+ { OPCODE_TXL, "TXL", 1, 1 },
+ { OPCODE_TXP, "TXP", 1, 1 },
+ { OPCODE_TXP_NV, "TXP_NV", 1, 1 },
+ { OPCODE_TRUNC, "TRUNC", 1, 1 },
+ { OPCODE_UP2H, "UP2H", 1, 1 },
+ { OPCODE_UP2US, "UP2US", 1, 1 },
+ { OPCODE_UP4B, "UP4B", 1, 1 },
+ { OPCODE_UP4UB, "UP4UB", 1, 1 },
+ { OPCODE_X2D, "X2D", 3, 1 },
+ { OPCODE_XOR, "XOR", 2, 1 },
+ { OPCODE_XPD, "XPD", 2, 1 }
};
GLuint
_mesa_num_inst_src_regs(gl_inst_opcode opcode)
{
+ ASSERT(opcode < MAX_OPCODE);
ASSERT(opcode == InstInfo[opcode].Opcode);
ASSERT(OPCODE_XPD == InstInfo[OPCODE_XPD].Opcode);
return InstInfo[opcode].NumSrcRegs;
}
+/**
+ * Return the number of dst registers for the given instruction/opcode.
+ */
+GLuint
+_mesa_num_inst_dst_regs(gl_inst_opcode opcode)
+{
+ ASSERT(opcode < MAX_OPCODE);
+ ASSERT(opcode == InstInfo[opcode].Opcode);
+ ASSERT(OPCODE_XPD == InstInfo[OPCODE_XPD].Opcode);
+ return InstInfo[opcode].NumDstRegs;
+}
+
+
+GLboolean
+_mesa_is_tex_instruction(gl_inst_opcode opcode)
+{
+ return (opcode == OPCODE_TEX ||
+ opcode == OPCODE_TXB ||
+ opcode == OPCODE_TXD ||
+ opcode == OPCODE_TXL ||
+ opcode == OPCODE_TXP);
+}
+
+
+/**
+ * Check if there's a potential src/dst register data dependency when
+ * using SOA execution.
+ * Example:
+ * MOV T, T.yxwz;
+ * This would expand into:
+ * MOV t0, t1;
+ * MOV t1, t0;
+ * MOV t2, t3;
+ * MOV t3, t2;
+ * The second instruction will have the wrong value for t0 if executed as-is.
+ */
+GLboolean
+_mesa_check_soa_dependencies(const struct prog_instruction *inst)
+{
+ GLuint i, chan;
+
+ if (inst->DstReg.WriteMask == WRITEMASK_X ||
+ inst->DstReg.WriteMask == WRITEMASK_Y ||
+ inst->DstReg.WriteMask == WRITEMASK_Z ||
+ inst->DstReg.WriteMask == WRITEMASK_W ||
+ inst->DstReg.WriteMask == 0x0) {
+ /* no chance of data dependency */
+ return GL_FALSE;
+ }
+
+ /* loop over src regs */
+ for (i = 0; i < 3; i++) {
+ if (inst->SrcReg[i].File == inst->DstReg.File &&
+ inst->SrcReg[i].Index == inst->DstReg.Index) {
+ /* loop over dest channels */
+ GLuint channelsWritten = 0x0;
+ for (chan = 0; chan < 4; chan++) {
+ if (inst->DstReg.WriteMask & (1 << chan)) {
+ /* check if we're reading a channel that's been written */
+ GLuint swizzle = GET_SWZ(inst->SrcReg[i].Swizzle, chan);
+ if (swizzle <= SWIZZLE_W &&
+ (channelsWritten & (1 << swizzle))) {
+ return GL_TRUE;
+ }
+
+ channelsWritten |= (1 << chan);
+ }
+ }
+ }
+ }
+ return GL_FALSE;
+}
+
+
/**
* Return string name for given program opcode.
*/
const char *
_mesa_opcode_string(gl_inst_opcode opcode)
{
- ASSERT(opcode < MAX_OPCODE);
- return InstInfo[opcode].Name;
+ if (opcode < MAX_OPCODE)
+ return InstInfo[opcode].Name;
+ else {
+ static char s[20];
+ _mesa_snprintf(s, sizeof(s), "OP%u", opcode);
+ return s;
+ }
}
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