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Pull in debug code for human-readable batchbuffer dumps.

tags/mesa_20090313
Keith Whitwell преди 18 години
родител
9526f7445e
ревизия
c046174eb0
променени са 3 файла, в които са добавени 704 реда и са изтрити 254 реда
Разделен изглед Покажи статистика за разликите
  1. 356
    254
      src/mesa/pipe/i915simple/i915_debug.c
  2. 17
    0
      src/mesa/pipe/i915simple/i915_debug.h
  3. 331
    0
      src/mesa/pipe/i915simple/i915_debug_fp.c

+ 356
- 254
src/mesa/pipe/i915simple/i915_debug.c Целия файл

@@ -25,313 +25,415 @@
*
**************************************************************************/

#include <stdio.h>
#include <assert.h>
#include "imports.h"

#include "i915_reg.h"
#include "i915_context.h"
#include "i915_debug.h"



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(unsigned type, unsigned nr)
static GLboolean debug( struct debug_stream *stream, const char *name, GLuint len )
{
switch (type) {
case REG_TYPE_T:
switch (nr) {
case T_DIFFUSE:
fprintf(stderr, "T_DIFFUSE");
return;
case T_SPECULAR:
fprintf(stderr, "T_SPECULAR");
return;
case T_FOG_W:
fprintf(stderr, "T_FOG_W");
return;
default:
fprintf(stderr, "T_TEX%d", nr);
return;
}
case REG_TYPE_OC:
if (nr == 0) {
fprintf(stderr, "oC");
return;
}
break;
case REG_TYPE_OD:
if (nr == 0) {
fprintf(stderr, "oD");
return;
}
break;
default:
break;
GLuint i;
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
if (len == 0) {
_mesa_printf("Error - zero length packet (0x%08x)\n", stream->ptr[0]);
assert(0);
return GL_FALSE;
}

fprintf(stderr, "%s[%d]", regname[type], nr);
}
if (stream->print_addresses)
_mesa_printf("%08x: ", stream->offset);


#define REG_SWIZZLE_MASK 0x7777
#define REG_NEGATE_MASK 0x8888
_mesa_printf("%s (%d dwords):\n", name, len);
for (i = 0; i < len; i++)
_mesa_printf("\t\t0x%08x\n", ptr[i]);
_mesa_printf("\n");

#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))
stream->offset += len * sizeof(GLuint);
return GL_TRUE;
}


static void
print_reg_neg_swizzle(unsigned reg)
static const char *get_prim_name( GLuint val )
{
int i;

if ((reg & REG_SWIZZLE_MASK) == REG_SWIZZLE_XYZW &&
(reg & REG_NEGATE_MASK) == 0)
return;

fprintf(stderr, ".");

for (i = 3; i >= 0; i--) {
if (reg & (1 << ((i * 4) + 3)))
fprintf(stderr, "-");

switch ((reg >> (i * 4)) & 0x7) {
case 0:
fprintf(stderr, "x");
break;
case 1:
fprintf(stderr, "y");
break;
case 2:
fprintf(stderr, "z");
break;
case 3:
fprintf(stderr, "w");
break;
case 4:
fprintf(stderr, "0");
break;
case 5:
fprintf(stderr, "1");
break;
default:
fprintf(stderr, "?");
break;
}
switch (val & PRIM3D_MASK) {
case PRIM3D_TRILIST: return "TRILIST"; break;
case PRIM3D_TRISTRIP: return "TRISTRIP"; break;
case PRIM3D_TRISTRIP_RVRSE: return "TRISTRIP_RVRSE"; break;
case PRIM3D_TRIFAN: return "TRIFAN"; break;
case PRIM3D_POLY: return "POLY"; break;
case PRIM3D_LINELIST: return "LINELIST"; break;
case PRIM3D_LINESTRIP: return "LINESTRIP"; break;
case PRIM3D_RECTLIST: return "RECTLIST"; break;
case PRIM3D_POINTLIST: return "POINTLIST"; break;
case PRIM3D_DIB: return "DIB"; break;
case PRIM3D_CLEAR_RECT: return "CLEAR_RECT"; break;
case PRIM3D_ZONE_INIT: return "ZONE_INIT"; break;
default: return "????"; break;
}
}

static void
print_src_reg(unsigned dword)
static GLboolean debug_prim( struct debug_stream *stream, const char *name,
GLboolean dump_floats,
GLuint len )
{
unsigned nr = (dword >> A2_SRC2_NR_SHIFT) & REG_NR_MASK;
unsigned type = (dword >> A2_SRC2_TYPE_SHIFT) & REG_TYPE_MASK;
print_reg_type_nr(type, nr);
print_reg_neg_swizzle(dword);
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
const char *prim = get_prim_name( ptr[0] );
GLuint i;


_mesa_printf("%s %s (%d dwords):\n", name, prim, len);
_mesa_printf("\t\t0x%08x\n", ptr[0]);
for (i = 1; i < len; i++) {
if (dump_floats)
_mesa_printf("\t\t0x%08x // %f\n", ptr[i], *(GLfloat *)&ptr[i]);
else
_mesa_printf("\t\t0x%08x\n", ptr[i]);
}

_mesa_printf("\n");

stream->offset += len * sizeof(GLuint);
return GL_TRUE;
}

void
i915_print_ureg(const char *msg, unsigned ureg)


static GLboolean debug_program( struct debug_stream *stream, const char *name, GLuint len )
{
fprintf(stderr, "%s: ", msg);
print_src_reg(ureg >> 8);
fprintf(stderr, "\n");
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);

if (len == 0) {
_mesa_printf("Error - zero length packet (0x%08x)\n", stream->ptr[0]);
assert(0);
return GL_FALSE;
}

if (stream->print_addresses)
_mesa_printf("%08x: ", stream->offset);

_mesa_printf("%s (%d dwords):\n", name, len);
i915_disassemble_program( ptr, len );

stream->offset += len * sizeof(GLuint);
return GL_TRUE;
}

static void
print_dest_reg(unsigned dword)
static GLboolean debug_chain( struct debug_stream *stream, const char *name, GLuint len )
{
unsigned nr = (dword >> A0_DEST_NR_SHIFT) & REG_NR_MASK;
unsigned 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;
fprintf(stderr, ".");
if (dword & A0_DEST_CHANNEL_X)
fprintf(stderr, "x");
if (dword & A0_DEST_CHANNEL_Y)
fprintf(stderr, "y");
if (dword & A0_DEST_CHANNEL_Z)
fprintf(stderr, "z");
if (dword & A0_DEST_CHANNEL_W)
fprintf(stderr, "w");
}
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
GLuint old_offset = stream->offset + len * sizeof(GLuint);
GLuint i;

_mesa_printf("%s (%d dwords):\n", name, len);
for (i = 0; i < len; i++)
_mesa_printf("\t\t0x%08x\n", ptr[i]);

stream->offset = ptr[1] & ~0x3;
if (stream->offset < old_offset)
_mesa_printf("\n... skipping backwards from 0x%x --> 0x%x ...\n\n",
old_offset, stream->offset );
else
_mesa_printf("\n... skipping from 0x%x --> 0x%x ...\n\n",
old_offset, stream->offset );

#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)
return GL_TRUE;
}


static void
print_arith_op(unsigned opcode, const unsigned * program)
static GLboolean debug_variable_length_prim( struct debug_stream *stream )
{
if (opcode != A0_NOP) {
print_dest_reg(program[0]);
if (program[0] & A0_DEST_SATURATE)
fprintf(stderr, " = SATURATE ");
else
fprintf(stderr, " = ");
}
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
const char *prim = get_prim_name( ptr[0] );
GLuint i, len;

fprintf(stderr, "%s ", opcodes[opcode]);
GLushort *idx = (GLushort *)(ptr+1);
for (i = 0; idx[i] != 0xffff; i++)
;

print_src_reg(GET_SRC0_REG(program[0], program[1]));
if (args[opcode] == 1) {
fprintf(stderr, "\n");
return;
}
len = 1+(i+2)/2;

fprintf(stderr, ", ");
print_src_reg(GET_SRC1_REG(program[1], program[2]));
if (args[opcode] == 2) {
fprintf(stderr, "\n");
return;
_mesa_printf("3DPRIM, %s variable length %d indicies (%d dwords):\n", prim, i, len);
for (i = 0; i < len; i++)
_mesa_printf("\t\t0x%08x\n", ptr[i]);
_mesa_printf("\n");

stream->offset += len * sizeof(GLuint);
return GL_TRUE;
}


static GLboolean debug_load_immediate( struct debug_stream *stream,
const char *name,
GLuint len )
{
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
GLuint bits = (ptr[0] >> 4) & 0xff;
GLuint i, j = 0;
_mesa_printf("%s (%d dwords, flags: %x):\n", name, len, bits);
_mesa_printf("\t\t0x%08x\n", ptr[j++]);

for (i = 0; i < 8; i++) {
if (bits & (1<<i)) {
_mesa_printf("\t LIS%d: 0x%08x\n", i, ptr[j++]);
}
}

fprintf(stderr, ", ");
print_src_reg(GET_SRC2_REG(program[2]));
fprintf(stderr, "\n");
return;
_mesa_printf("\n");

assert(j == len);

stream->offset += len * sizeof(GLuint);
return GL_TRUE;
}


static void
print_tex_op(unsigned opcode, const unsigned * program)
static GLboolean debug_load_indirect( struct debug_stream *stream,
const char *name,
GLuint len )
{
print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
fprintf(stderr, " = ");
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
GLuint bits = (ptr[0] >> 8) & 0x3f;
GLuint i, j = 0;
_mesa_printf("%s (%d dwords):\n", name, len);
_mesa_printf("\t\t0x%08x\n", ptr[j++]);

for (i = 0; i < 6; i++) {
if (bits & (1<<i)) {
switch (1<<(8+i)) {
case LI0_STATE_STATIC_INDIRECT:
_mesa_printf(" STATIC: 0x%08x | %x\n", ptr[j]&~3, ptr[j]&3); j++;
_mesa_printf(" 0x%08x\n", ptr[j++]);
break;
case LI0_STATE_DYNAMIC_INDIRECT:
_mesa_printf(" DYNAMIC: 0x%08x | %x\n", ptr[j]&~3, ptr[j]&3); j++;
break;
case LI0_STATE_SAMPLER:
_mesa_printf(" SAMPLER: 0x%08x | %x\n", ptr[j]&~3, ptr[j]&3); j++;
_mesa_printf(" 0x%08x\n", ptr[j++]);
break;
case LI0_STATE_MAP:
_mesa_printf(" MAP: 0x%08x | %x\n", ptr[j]&~3, ptr[j]&3); j++;
_mesa_printf(" 0x%08x\n", ptr[j++]);
break;
case LI0_STATE_PROGRAM:
_mesa_printf(" PROGRAM: 0x%08x | %x\n", ptr[j]&~3, ptr[j]&3); j++;
_mesa_printf(" 0x%08x\n", ptr[j++]);
break;
case LI0_STATE_CONSTANTS:
_mesa_printf(" CONSTANTS: 0x%08x | %x\n", ptr[j]&~3, ptr[j]&3); j++;
_mesa_printf(" 0x%08x\n", ptr[j++]);
break;
default:
assert(0);
break;
}
}
}

fprintf(stderr, "%s ", opcodes[opcode]);
if (bits == 0) {
_mesa_printf("\t DUMMY: 0x%08x\n", ptr[j++]);
}

fprintf(stderr, "S[%d],", program[0] & T0_SAMPLER_NR_MASK);
_mesa_printf("\n");

print_reg_type_nr((program[1] >> T1_ADDRESS_REG_TYPE_SHIFT) &
REG_TYPE_MASK,
(program[1] >> T1_ADDRESS_REG_NR_SHIFT) & REG_NR_MASK);
fprintf(stderr, "\n");

assert(j == len);

stream->offset += len * sizeof(GLuint);
return GL_TRUE;
}

static void
print_dcl_op(unsigned opcode, const unsigned * program)
static GLboolean i915_debug_packet( struct debug_stream *stream )
{
fprintf(stderr, "%s ", opcodes[opcode]);
print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
fprintf(stderr, "\n");
GLuint *ptr = (GLuint *)(stream->ptr + stream->offset);
GLuint cmd = *ptr;
switch (((cmd >> 29) & 0x7)) {
case 0x0:
switch ((cmd >> 23) & 0x3f) {
case 0x0:
return debug(stream, "MI_NOOP", 1);
case 0x3:
return debug(stream, "MI_WAIT_FOR_EVENT", 1);
case 0x4:
return debug(stream, "MI_FLUSH", 1);
case 0xA:
debug(stream, "MI_BATCH_BUFFER_END", 1);
return GL_FALSE;
case 0x22:
return debug(stream, "MI_LOAD_REGISTER_IMM", 3);
case 0x31:
return debug_chain(stream, "MI_BATCH_BUFFER_START", 2);
default:
break;
}
break;
case 0x1:
break;
case 0x2:
switch ((cmd >> 22) & 0xff) {
case 0x50:
return debug(stream, "XY_COLOR_BLT", (cmd & 0xff) + 2);
case 0x53:
return debug(stream, "XY_SRC_COPY_BLT", (cmd & 0xff) + 2);
default:
return debug(stream, "blit command", (cmd & 0xff) + 2);
}
break;
case 0x3:
switch ((cmd >> 24) & 0x1f) {
case 0x6:
return debug(stream, "3DSTATE_ANTI_ALIASING", 1);
case 0x7:
return debug(stream, "3DSTATE_RASTERIZATION_RULES", 1);
case 0x8:
return debug(stream, "3DSTATE_BACKFACE_STENCIL_OPS", 2);
case 0x9:
return debug(stream, "3DSTATE_BACKFACE_STENCIL_MASKS", 1);
case 0xb:
return debug(stream, "3DSTATE_INDEPENDENT_ALPHA_BLEND", 1);
case 0xc:
return debug(stream, "3DSTATE_MODES5", 1);
case 0xd:
return debug(stream, "3DSTATE_MODES4", 1);
case 0x15:
return debug(stream, "3DSTATE_FOG_COLOR", 1);
case 0x16:
return debug(stream, "3DSTATE_COORD_SET_BINDINGS", 1);
case 0x1c:
/* 3DState16NP */
switch((cmd >> 19) & 0x1f) {
case 0x10:
return debug(stream, "3DSTATE_SCISSOR_ENABLE", 1);
case 0x11:
return debug(stream, "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE", 1);
default:
break;
}
break;
case 0x1d:
/* 3DStateMW */
switch ((cmd >> 16) & 0xff) {
case 0x0:
return debug(stream, "3DSTATE_MAP_STATE", (cmd & 0x1f) + 2);
case 0x1:
return debug(stream, "3DSTATE_SAMPLER_STATE", (cmd & 0x1f) + 2);
case 0x4:
return debug_load_immediate(stream, "3DSTATE_LOAD_STATE_IMMEDIATE", (cmd & 0xf) + 2);
case 0x5:
return debug_program(stream, "3DSTATE_PIXEL_SHADER_PROGRAM", (cmd & 0x1ff) + 2);
case 0x6:
return debug(stream, "3DSTATE_PIXEL_SHADER_CONSTANTS", (cmd & 0xff) + 2);
case 0x7:
return debug_load_indirect(stream, "3DSTATE_LOAD_INDIRECT", (cmd & 0xff) + 2);
case 0x80:
return debug(stream, "3DSTATE_DRAWING_RECTANGLE", (cmd & 0xffff) + 2);
case 0x81:
return debug(stream, "3DSTATE_SCISSOR_RECTANGLE", (cmd & 0xffff) + 2);
case 0x83:
return debug(stream, "3DSTATE_SPAN_STIPPLE", (cmd & 0xffff) + 2);
case 0x85:
return debug(stream, "3DSTATE_DEST_BUFFER_VARS", (cmd & 0xffff) + 2);
case 0x88:
return debug(stream, "3DSTATE_CONSTANT_BLEND_COLOR", (cmd & 0xffff) + 2);
case 0x89:
return debug(stream, "3DSTATE_FOG_MODE", (cmd & 0xffff) + 2);
case 0x8e:
return debug(stream, "3DSTATE_BUFFER_INFO", (cmd & 0xffff) + 2);
case 0x97:
return debug(stream, "3DSTATE_DEPTH_OFFSET_SCALE", (cmd & 0xffff) + 2);
case 0x98:
return debug(stream, "3DSTATE_DEFAULT_Z", (cmd & 0xffff) + 2);
case 0x99:
return debug(stream, "3DSTATE_DEFAULT_DIFFUSE", (cmd & 0xffff) + 2);
case 0x9a:
return debug(stream, "3DSTATE_DEFAULT_SPECULAR", (cmd & 0xffff) + 2);
case 0x9c:
return debug(stream, "3DSTATE_CLEAR_PARAMETERS", (cmd & 0xffff) + 2);
default:
assert(0);
return 0;
}
break;
case 0x1e:
if (cmd & (1 << 23))
return debug(stream, "???", (cmd & 0xffff) + 1);
else
return debug(stream, "", 1);
break;
case 0x1f:
if ((cmd & (1 << 23)) == 0)
return debug_prim(stream, "3DPRIM (inline)", 1, (cmd & 0x1ffff) + 2);
else if (cmd & (1 << 17))
{
if ((cmd & 0xffff) == 0)
return debug_variable_length_prim(stream);
else
return debug_prim(stream, "3DPRIM (indexed)", 0, (((cmd & 0xffff) + 1) / 2) + 1);
}
else
return debug_prim(stream, "3DPRIM (indirect sequential)", 0, 2);
break;
default:
return debug(stream, "", 0);
}
default:
assert(0);
return 0;
}

assert(0);
return 0;
}



void
i915_disassemble_program(const unsigned * program, unsigned sz)
i915_dump_batchbuffer( struct i915_context *i915,
GLuint *start,
GLuint *end )
{
unsigned size = program[0] & 0x1ff;
unsigned i;
struct debug_stream stream;
GLuint bytes = (end - start) * 4;
GLboolean done = GL_FALSE;

fprintf(stderr, "BEGIN\n");
fprintf(stderr, "\n\nBATCH: (%d)\n", bytes / 4);

if (size + 2 != sz) {
fprintf(stderr, "%s: program size mismatch %d/%d\n", __FUNCTION__,
size + 2, sz);
assert(0);
}
stream.offset = 0;
stream.ptr = (char *)start;
stream.print_addresses = 0;

program++;
for (i = 1; i < sz; i += 3, program += 3) {
unsigned opcode = program[0] & (0x1f << 24);
while (!done &&
stream.offset < bytes &&
stream.offset >= 0)
{
if (!i915_debug_packet( &stream ))
break;

if ((unsigned) 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
fprintf(stderr, "Unknown opcode 0x%x\n", opcode);
assert(stream.offset <= bytes &&
stream.offset >= 0);
}

fprintf(stderr, "END\n\n");
fprintf(stderr, "END-BATCH\n\n\n");
}



+ 17
- 0
src/mesa/pipe/i915simple/i915_debug.h Целия файл

@@ -31,9 +31,26 @@
#ifndef I915_DEBUG_H
#define I915_DEBUG_H

struct i915_context;

struct debug_stream
{
unsigned offset; /* current gtt offset */
char *ptr; /* pointer to gtt offset zero */
char *end; /* pointer to gtt offset zero */
unsigned print_addresses;
};



extern void i915_disassemble_program(const unsigned *program, unsigned sz);
extern void i915_print_ureg(const char *msg, unsigned ureg);


void
i915_dump_batchbuffer( struct i915_context *i915,
unsigned *start,
unsigned *end );


#endif

+ 331
- 0
src/mesa/pipe/i915simple/i915_debug_fp.c Целия файл

@@ -0,0 +1,331 @@
/**************************************************************************
*
* 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.
*
**************************************************************************/

#include <stdio.h>

#include "i915_reg.h"
#include "i915_debug.h"
//#include "i915_fpc.h"
#include "shader/program.h"
#include "shader/prog_instruction.h"
#include "shader/prog_print.h"

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(GLuint type, GLuint nr)
{
switch (type) {
case REG_TYPE_T:
switch (nr) {
case T_DIFFUSE:
_mesa_printf("T_DIFFUSE");
return;
case T_SPECULAR:
_mesa_printf("T_SPECULAR");
return;
case T_FOG_W:
_mesa_printf("T_FOG_W");
return;
default:
_mesa_printf("T_TEX%d", nr);
return;
}
case REG_TYPE_OC:
if (nr == 0) {
_mesa_printf("oC");
return;
}
break;
case REG_TYPE_OD:
if (nr == 0) {
_mesa_printf("oD");
return;
}
break;
default:
break;
}

_mesa_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(GLuint reg)
{
int i;

if ((reg & REG_SWIZZLE_MASK) == REG_SWIZZLE_XYZW &&
(reg & REG_NEGATE_MASK) == 0)
return;

_mesa_printf(".");

for (i = 3; i >= 0; i--) {
if (reg & (1 << ((i * 4) + 3)))
_mesa_printf("-");

switch ((reg >> (i * 4)) & 0x7) {
case 0:
_mesa_printf("x");
break;
case 1:
_mesa_printf("y");
break;
case 2:
_mesa_printf("z");
break;
case 3:
_mesa_printf("w");
break;
case 4:
_mesa_printf("0");
break;
case 5:
_mesa_printf("1");
break;
default:
_mesa_printf("?");
break;
}
}
}


static void
print_src_reg(GLuint dword)
{
GLuint nr = (dword >> A2_SRC2_NR_SHIFT) & REG_NR_MASK;
GLuint 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(GLuint dword)
{
GLuint nr = (dword >> A0_DEST_NR_SHIFT) & REG_NR_MASK;
GLuint 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;
_mesa_printf(".");
if (dword & A0_DEST_CHANNEL_X)
_mesa_printf("x");
if (dword & A0_DEST_CHANNEL_Y)
_mesa_printf("y");
if (dword & A0_DEST_CHANNEL_Z)
_mesa_printf("z");
if (dword & A0_DEST_CHANNEL_W)
_mesa_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(GLuint opcode, const GLuint * program)
{
if (opcode != A0_NOP) {
print_dest_reg(program[0]);
if (program[0] & A0_DEST_SATURATE)
_mesa_printf(" = SATURATE ");
else
_mesa_printf(" = ");
}

_mesa_printf("%s ", opcodes[opcode]);

print_src_reg(GET_SRC0_REG(program[0], program[1]));
if (args[opcode] == 1) {
_mesa_printf("\n");
return;
}

_mesa_printf(", ");
print_src_reg(GET_SRC1_REG(program[1], program[2]));
if (args[opcode] == 2) {
_mesa_printf("\n");
return;
}

_mesa_printf(", ");
print_src_reg(GET_SRC2_REG(program[2]));
_mesa_printf("\n");
return;
}


static void
print_tex_op(GLuint opcode, const GLuint * program)
{
print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
_mesa_printf(" = ");

_mesa_printf("%s ", opcodes[opcode]);

_mesa_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);
_mesa_printf("\n");
}

static void
print_dcl_op(GLuint opcode, const GLuint * program)
{
_mesa_printf("%s ", opcodes[opcode]);
print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL);
_mesa_printf("\n");
}


void
i915_disassemble_program(const GLuint * program, GLuint sz)
{
GLuint size = program[0] & 0x1ff;
GLint i;

_mesa_printf("\t\tBEGIN\n");

assert(size + 2 == sz);

program++;
for (i = 1; i < sz; i += 3, program += 3) {
GLuint opcode = program[0] & (0x1f << 24);

_mesa_printf("\t\t");

if ((GLint) 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
_mesa_printf("Unknown opcode 0x%x\n", opcode);
}

_mesa_printf("\t\tEND\n\n");
}



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