+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-#if 0
-#include <stdio.h>
-#endif
-
-#include "i915_reg.h"
-#include "i915_fpc.h"
-
-#if 0
-#include "shader/program.h"
-#include "shader/prog_instruction.h"
-#include "shader/prog_print.h"
-#endif
-
-static const char *opcodes[0x20] = {
- "NOP",
- "ADD",
- "MOV",
- "MUL",
- "MAD",
- "DP2ADD",
- "DP3",
- "DP4",
- "FRC",
- "RCP",
- "RSQ",
- "EXP",
- "LOG",
- "CMP",
- "MIN",
- "MAX",
- "FLR",
- "MOD",
- "TRC",
- "SGE",
- "SLT",
- "TEXLD",
- "TEXLDP",
- "TEXLDB",
- "TEXKILL",
- "DCL",
- "0x1a",
- "0x1b",
- "0x1c",
- "0x1d",
- "0x1e",
- "0x1f",
-};
-
-
-static const int args[0x20] = {
- 0, /* 0 nop */
- 2, /* 1 add */
- 1, /* 2 mov */
- 2, /* 3 m ul */
- 3, /* 4 mad */
- 3, /* 5 dp2add */
- 2, /* 6 dp3 */
- 2, /* 7 dp4 */
- 1, /* 8 frc */
- 1, /* 9 rcp */
- 1, /* a rsq */
- 1, /* b exp */
- 1, /* c log */
- 3, /* d cmp */
- 2, /* e min */
- 2, /* f max */
- 1, /* 10 flr */
- 1, /* 11 mod */
- 1, /* 12 trc */
- 2, /* 13 sge */
- 2, /* 14 slt */
- 1,
- 1,
- 1,
- 1,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
-};
-
-
-static const char *regname[0x8] = {
- "R",
- "T",
- "CONST",
- "S",
- "OC",
- "OD",
- "U",
- "UNKNOWN",
-};
-
-static void
-print_reg_type_nr(uint type, uint nr)
-{
- switch (type) {
- case REG_TYPE_T:
- switch (nr) {
- case T_DIFFUSE:
- printf("T_DIFFUSE");
- return;
- case T_SPECULAR:
- printf("T_SPECULAR");
- return;
- case T_FOG_W:
- printf("T_FOG_W");
- return;
- default:
- printf("T_TEX%d", nr);
- return;
- }
- case REG_TYPE_OC:
- if (nr == 0) {
- printf("oC");
- return;
- }
- break;
- case REG_TYPE_OD:
- if (nr == 0) {
- printf("oD");
- return;
- }
- break;
- default:
- break;
- }
-
- printf("%s[%d]", regname[type], nr);
-}
-
-#define REG_SWIZZLE_MASK 0x7777
-#define REG_NEGATE_MASK 0x8888
-
-#define REG_SWIZZLE_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) | \
- (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) | \
- (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) | \
- (SRC_W << A2_SRC2_CHANNEL_W_SHIFT))
-
-
-static void
-print_reg_neg_swizzle(uint reg)
-{
- int i;
-
- if ((reg & REG_SWIZZLE_MASK) == REG_SWIZZLE_XYZW &&
- (reg & REG_NEGATE_MASK) == 0)
- return;
-
- printf(".");
-
- for (i = 3; i >= 0; i--) {
- if (reg & (1 << ((i * 4) + 3)))
- printf("-");
-
- switch ((reg >> (i * 4)) & 0x7) {
- case 0:
- printf("x");
- break;
- case 1:
- printf("y");
- break;
- case 2:
- printf("z");
- break;
- case 3:
- printf("w");
- break;
- case 4:
- printf("0");
- break;
- case 5:
- printf("1");
- break;
- default:
- printf("?");
- break;
- }
- }
-}
-
-
-static void
-print_src_reg(uint dword)
-{
- uint nr = (dword >> A2_SRC2_NR_SHIFT) & REG_NR_MASK;
- uint type = (dword >> A2_SRC2_TYPE_SHIFT) & REG_TYPE_MASK;
- print_reg_type_nr(type, nr);
- print_reg_neg_swizzle(dword);
-}
-
-
-static void
-print_dest_reg(uint dword)
-{
- uint nr = (dword >> A0_DEST_NR_SHIFT) & REG_NR_MASK;
- uint type = (dword >> A0_DEST_TYPE_SHIFT) & REG_TYPE_MASK;
- print_reg_type_nr(type, nr);
- if ((dword & A0_DEST_CHANNEL_ALL) == A0_DEST_CHANNEL_ALL)
- return;
- printf(".");
- if (dword & A0_DEST_CHANNEL_X)
- printf("x");
- if (dword & A0_DEST_CHANNEL_Y)
- printf("y");
- if (dword & A0_DEST_CHANNEL_Z)
- printf("z");
- if (dword & A0_DEST_CHANNEL_W)
- printf("w");
-}
-
-
-#define GET_SRC0_REG(r0, r1) ((r0<<14)|(r1>>A1_SRC0_CHANNEL_W_SHIFT))
-#define GET_SRC1_REG(r0, r1) ((r0<<8)|(r1>>A2_SRC1_CHANNEL_W_SHIFT))
-#define GET_SRC2_REG(r) (r)
-
-
-static void
-print_arith_op(uint opcode, const uint * program)
-{
- if (opcode != A0_NOP) {
- print_dest_reg(program[0]);
- if (program[0] & A0_DEST_SATURATE)
- printf(" = SATURATE ");
- else
- printf(" = ");
- }
-
- printf("%s ", opcodes[opcode]);
-
- print_src_reg(GET_SRC0_REG(program[0], program[1]));
- if (args[opcode] == 1) {
- printf("\n");
- return;
- }
-
- printf(", ");
- print_src_reg(GET_SRC1_REG(program[1], program[2]));
- if (args[opcode] == 2) {
- printf("\n");
- return;
- }
-
- printf(", ");
- print_src_reg(GET_SRC2_REG(program[2]));
- printf("\n");
- return;
-}
-
-
-static void
-print_tex_op(uint opcode, const uint * program)
-{
- print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
- printf(" = ");
-
- printf("%s ", opcodes[opcode]);
-
- printf("S[%d],", program[0] & T0_SAMPLER_NR_MASK);
-
- print_reg_type_nr((program[1] >> T1_ADDRESS_REG_TYPE_SHIFT) &
- REG_TYPE_MASK,
- (program[1] >> T1_ADDRESS_REG_NR_SHIFT) & REG_NR_MASK);
- printf("\n");
-}
-
-static void
-print_dcl_op(uint opcode, const uint * program)
-{
- printf("%s ", opcodes[opcode]);
- print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
- printf("\n");
-}
-
-
-void
-i915_disassemble_program(const uint * program, uint sz)
-{
- uint size = program[0] & 0x1ff;
- int i;
-
- printf("\t\tBEGIN\n");
-
- assert(size + 2 == sz);
-
- program++;
- for (i = 1; i < sz; i += 3, program += 3) {
- uint opcode = program[0] & (0x1f << 24);
-
- printf("\t\t");
-
- if ((int) opcode >= A0_NOP && opcode <= A0_SLT)
- print_arith_op(opcode >> 24, program);
- else if (opcode >= T0_TEXLD && opcode <= T0_TEXKILL)
- print_tex_op(opcode >> 24, program);
- else if (opcode == D0_DCL)
- print_dcl_op(opcode >> 24, program);
- else
- printf("Unknown opcode 0x%x\n", opcode);
- }
-
- printf("\t\tEND\n\n");
-}
-
-
-#if 0
-void i915_print_mesa_instructions( const struct prog_instruction *insn,
- uint nr )
-{
- uint i;
- for (i = 0; i < nr; i++, insn++) {
- printf("%3d: ", i);
- print_instruction(insn);
- }
-}
-#endif
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