/*
* Copyright © 2007-2011 Intel Corporation
*
* 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/mman.h>
#include <assert.h>
#include "sna.h"
#include "gen2_render.h"
#include "kgem_debug.h"
static struct state {
int vertex_format;
} state;
static inline float int_as_float(uint32_t dw)
{
union {
float f;
uint32_t dw;
} u;
u.dw = dw;
return u.f;
}
static int
decode_3d_primitive(struct kgem *kgem, uint32_t offset)
{
uint32_t *data = kgem->batch + offset;
char immediate = (data[0] & (1 << 23)) == 0;
unsigned int len;
const char *primtype;
switch ((data[0] >> 18) & 0xf) {
case 0x0: primtype = "TRILIST"; break;
case 0x1: primtype = "TRISTRIP"; break;
case 0x2: primtype = "TRISTRIP_REVERSE"; break;
case 0x3: primtype = "TRIFAN"; break;
case 0x4: primtype = "POLYGON"; break;
case 0x5: primtype = "LINELIST"; break;
case 0x6: primtype = "LINESTRIP"; break;
case 0x7: primtype = "RECTLIST"; break;
case 0x8: primtype = "POINTLIST"; break;
case 0x9: primtype = "DIB"; break;
case 0xa: primtype = "CLEAR_RECT"; break;
default: primtype = "unknown"; break;
}
/* XXX: 3DPRIM_DIB not supported */
if (immediate) {
len = (data[0] & 0x0003ffff) + 2;
kgem_debug_print(data, offset, 0, "3DPRIMITIVE inline %s\n", primtype);
#if 0
if (!saved_s2_set || !saved_s4_set) {
fprintf(out, "unknown vertex format\n");
for (i = 1; i < len; i++) {
kgem_debug_print(data, offset, i,
" vertex data (%f float)\n",
int_as_float(data[i]));
}
} else {
unsigned int vertex = 0;
for (i = 1; i < len;) {
unsigned int tc;
#define VERTEX_OUT(fmt, ...) do { \
if (i < len) \
kgem_debug_print(data, offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
else \
fprintf(out, " missing data in V%d\n", vertex); \
i++; \
} while (0)
VERTEX_OUT("X = %f", int_as_float(data[i]));
VERTEX_OUT("Y = %f", int_as_float(data[i]));
switch (saved_s4 >> 6 & 0x7) {
case 0x1:
VERTEX_OUT("Z = %f", int_as_float(data[i]));
break;
case 0x2:
VERTEX_OUT("Z = %f", int_as_float(data[i]));
VERTEX_OUT("W = %f", int_as_float(data[i]));
break;
case 0x3:
break;
case 0x4:
VERTEX_OUT("W = %f", int_as_float(data[i]));
break;
default:
fprintf(out, "bad S4 position mask\n");
}
if (saved_s4 & (1 << 10)) {
VERTEX_OUT("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
"B=0x%02x)",
data[i] >> 24,
(data[i] >> 16) & 0xff,
(data[i] >> 8) & 0xff,
data[i] & 0xff);
}
if (saved_s4 & (1 << 11)) {
VERTEX_OUT("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
"B=0x%02x)",
data[i] >> 24,
(data[i] >> 16) & 0xff,
(data[i] >> 8) & 0xff,
data[i] & 0xff);
}
if (saved_s4 & (1 << 12))
VERTEX_OUT("width = 0x%08x)", data[i]);
for (tc = 0; tc <= 7; tc++) {
switch ((saved_s2 >> (tc * 4)) & 0xf) {
case 0x0:
VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
break;
case 0x1:
VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
VERTEX_OUT("T%d.Z = %f", tc, int_as_float(data[i]));
break;
case 0x2:
VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
VERTEX_OUT("T%d.Z = %f", tc, int_as_float(data[i]));
VERTEX_OUT("T%d.W = %f", tc, int_as_float(data[i]));
break;
case 0x3:
VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
break;
case 0x4:
VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
break;
case 0x5:
VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
VERTEX_OUT("T%d.ZW = 0x%08x half-float", tc, data[i]);
break;
case 0xf:
break;
default:
fprintf(out, "bad S2.T%d format\n", tc);
}
}
vertex++;
}
}
#endif
} else {
/* indirect vertices */
len = data[0] & 0x0000ffff; /* index count */
#if 0
if (data[0] & (1 << 17)) {
/* random vertex access */
kgem_debug_print(data, offset, 0,
"3DPRIMITIVE random indirect %s (%d)\n", primtype, len);
if (len == 0) {
/* vertex indices continue until 0xffff is found */
for (i = 1; i < count; i++) {
if ((data[i] & 0xffff) == 0xffff) {
kgem_debug_print(data, offset, i,
" indices: (terminator)\n");
ret = i;
goto out;
} else if ((data[i] >> 16) == 0xffff) {
kgem_debug_print(data, offset, i,
" indices: 0x%04x, (terminator)\n",
data[i] & 0xffff);
ret = i;
goto out;
} else {
kgem_debug_print(data, offset, i,
" indices: 0x%04x, 0x%04x\n",
data[i] & 0xffff, data[i] >> 16);
}
}
fprintf(out,
"3DPRIMITIVE: no terminator found in index buffer\n");
ret = count;
goto out;
} else {
/* fixed size vertex index buffer */
for (j = 1, i = 0; i < len; i += 2, j++) {
if (i * 2 == len - 1) {
kgem_debug_print(data, offset, j,
" indices: 0x%04x\n",
data[j] & 0xffff);
} else {
kgem_debug_print(data, offset, j,
" indices: 0x%04x, 0x%04x\n",
data[j] & 0xffff, data[j] >> 16);
}
}
}
ret = (len + 1) / 2 + 1;
goto out;
} else {
/* sequential vertex access */
kgem_debug_print(data, offset, 0,
"3DPRIMITIVE sequential indirect %s, %d starting from "
"%d\n", primtype, len, data[1] & 0xffff);
kgem_debug_print(data, offset, 1, " start\n");
ret = 2;
goto out;
}
#endif
}
return len;
}
static int
decode_3d_1d(struct kgem *kgem, uint32_t offset)
{
uint32_t *data = kgem->batch + offset;
unsigned int len, i, idx, word, map;
const char *format, *zformat, *type;
uint32_t opcode;
static const struct {
uint32_t opcode;
int min_len;
int max_len;
const char *name;
} opcodes_3d_1d[] = {
{ 0x86, 4, 4, "3DSTATE_CHROMA_KEY" },
{ 0x88, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
{ 0x99, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
{ 0x9a, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
{ 0x98, 2, 2, "3DSTATE_DEFAULT_Z" },
{ 0x97, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
{ 0x9d, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
{ 0x9e, 4, 4, "3DSTATE_MONO_FILTER" },
{ 0x89, 4, 4, "3DSTATE_FOG_MODE" },
{ 0x8f, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
{ 0x83, 2, 2, "3DSTATE_SPAN_STIPPLE" },
{ 0x8c, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM" },
{ 0x8b, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM" },
{ 0x8d, 3, 3, "3DSTATE_W_STATE" },
{ 0x01, 2, 2, "3DSTATE_COLOR_FACTOR" },
{ 0x02, 2, 2, "3DSTATE_MAP_COORD_SETBIND" },
}, *opcode_3d_1d;
opcode = (data[0] & 0x00ff0000) >> 16;
switch (opcode) {
case 0x07:
/* This instruction is unusual. A 0 length means just 1 DWORD instead of
* 2. The 0 length is specified in one place to be unsupported, but
* stated to be required in another, and 0 length LOAD_INDIRECTs appear
* to cause no harm at least.
*/
kgem_debug_print(data, offset, 0, "3DSTATE_LOAD_INDIRECT\n");
len = (data[0] & 0x000000ff) + 1;
i = 1;
if (data[0] & (0x01 << 8)) {
kgem_debug_print(data, offset, i++, "SIS.0\n");
kgem_debug_print(data, offset, i++, "SIS.1\n");
}
if (data[0] & (0x02 << 8)) {
kgem_debug_print(data, offset, i++, "DIS.0\n");
}
if (data[0] & (0x04 << 8)) {
kgem_debug_print(data, offset, i++, "SSB.0\n");
kgem_debug_print(data, offset, i++, "SSB.1\n");
}
if (data[0] & (0x08 << 8)) {
kgem_debug_print(data, offset, i++, "MSB.0\n");
kgem_debug_print(data, offset, i++, "MSB.1\n");
}
if (data[0] & (0x10 << 8)) {
kgem_debug_print(data, offset, i++, "PSP.0\n");
kgem_debug_print(data, offset, i++, "PSP.1\n");
}
if (data[0] & (0x20 << 8)) {
kgem_debug_print(data, offset, i++, "PSC.0\n");
kgem_debug_print(data, offset, i++, "PSC.1\n");
}
assert(len == i);
return len;
case 0x04:
kgem_debug_print(data, offset, 0, "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
len = (data[0] & 0x0000000f) + 2;
i = 1;
for (word = 0; word <= 8; word++) {
if (data[0] & (1 << (4 + word))) {
kgem_debug_print(data, offset, i, "S%d: 0x%08x\n", i, data[i]);
i++;
}
}
assert (len ==i);
return len;
case 0x03:
kgem_debug_print(data, offset, 0, "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
len = (data[0] & 0x0000000f) + 2;
i = 1;
for (word = 6; word <= 14; word++) {
if (data[0] & (1 << word)) {
if (word == 6)
kgem_debug_print(data, offset, i++, "TBCF\n");
else if (word >= 7 && word <= 10) {
kgem_debug_print(data, offset, i++, "TB%dC\n", word - 7);
kgem_debug_print(data, offset, i++, "TB%dA\n", word - 7);
} else if (word >= 11 && word <= 14) {
kgem_debug_print(data, offset, i, "TM%dS0: offset=0x%08x, %s\n",
word - 11,
data[i]&0xfffffffe,
data[i]&1?"use fence":"");
i++;
kgem_debug_print(data, offset, i, "TM%dS1: height=%i, width=%i, %s\n",
word - 11,
data[i]>>21, (data[i]>>10)&0x3ff,
data[i]&2?(data[i]&1?"y-tiled":"x-tiled"):"");
i++;
kgem_debug_print(data, offset, i, "TM%dS2: pitch=%i, \n",
word - 11,
((data[i]>>21) + 1)*4);
i++;
kgem_debug_print(data, offset, i++, "TM%dS3\n", word - 11);
kgem_debug_print(data, offset, i++, "TM%dS4: dflt color\n", word - 11);
}
}
}
assert (len == i);
return len;
case 0x00:
kgem_debug_print(data, offset, 0, "3DSTATE_MAP_STATE\n");
len = (data[0] & 0x0000003f) + 2;
kgem_debug_print(data, offset, 1, "mask\n");
i = 2;
for (map = 0; map <= 15; map++) {
if (data[1] & (1 << map)) {
int width, height, pitch, dword;
const char *tiling;
dword = data[i];
kgem_debug_print(data, offset, i++, "map %d MS2 %s%s%s\n", map,
dword&(1<<31)?"untrusted surface, ":"",
dword&(1<<1)?"vertical line stride enable, ":"",
dword&(1<<0)?"vertical ofs enable, ":"");
dword = data[i];
width = ((dword >> 10) & ((1 << 11) - 1))+1;
height = ((dword >> 21) & ((1 << 11) - 1))+1;
tiling = "none";
if (dword & (1 << 2))
tiling = "fenced";
else if (dword & (1 << 1))
tiling = dword & (1 << 0) ? "Y" : "X";
type = " BAD";
format = "BAD";
switch ((dword>>7) & 0x7) {
case 1:
type = "8b";
switch ((dword>>3) & 0xf) {
case 0: format = "I"; break;
case 1: format = "L"; break;
case 2: format = "A"; break;
case 3: format = " mono"; break; }
break;
case 2:
type = "16b";
switch ((dword>>3) & 0xf) {
case 0: format = " rgb565"; break;
case 1: format = " argb1555"; break;
case 2: format = " argb4444"; break;
case 5: format = " ay88"; break;
case 6: format = " bump655"; break;
case 7: format = "I"; break;
case 8: format = "L"; break;
case 9: format = "A"; break; }
break;
case 3:
type = "32b";
switch ((dword>>3) & 0xf) {
case 0: format = " argb8888"; break;
case 1: format = " abgr8888"; break;
case 2: format = " xrgb8888"; break;
case 3: format = " xbgr8888"; break;
case 4: format = " qwvu8888"; break;
case 5: format = " axvu8888"; break;
case 6: format = " lxvu8888"; break;
case 7: format = " xlvu8888"; break;
case 8: format = " argb2101010"; break;
case 9: format = " abgr2101010"; break;
case 10: format = " awvu2101010"; break;
case 11: format = " gr1616"; break;
case 12: format = " vu1616"; break;
case 13: format = " xI824"; break;
case 14: format = " xA824"; break;
case 15: format = " xL824"; break; }
break;
case 5:
type = "422";
switch ((dword>>3) & 0xf) {
case 0: format = " yuv_swapy"; break;
case 1: format = " yuv"; break;
case 2: format = " yuv_swapuv"; break;
case 3: format = " yuv_swapuvy"; break; }
break;
case 6:
type = "compressed";
switch ((dword>>3) & 0x7) {
case 0: format = " dxt1"; break;
case 1: format = " dxt2_3"; break;
case 2: format = " dxt4_5"; break;
case 3: format = " fxt1"; break;
case 4: format = " dxt1_rb"; break; }
break;
case 7:
type = "4b indexed";
switch ((dword>>3) & 0xf) {
case 7: format = " argb8888"; break; }
break;
}
dword = data[i];
kgem_debug_print(data, offset, i++, "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
map, width, height, type, format, tiling,
dword&(1<<9)?" palette select":"");
dword = data[i];
pitch = 4*(((dword >> 21) & ((1 << 11) - 1))+1);
kgem_debug_print(data, offset, i++, "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
map, pitch,
(dword>>9)&0x3f, dword&0xff, (dword>>15)&0x3f,
dword&(1<<8)?"miplayout legacy":"miplayout right");
}
}
assert (len == i);
return len;
case 0x85:
len = (data[0] & 0x0000000f) + 2;
assert (len == 2);
kgem_debug_print(data, offset, 0,
"3DSTATE_DEST_BUFFER_VARIABLES\n");
switch ((data[1] >> 8) & 0xf) {
case 0x0: format = "g8"; break;
case 0x1: format = "x1r5g5b5"; break;
case 0x2: format = "r5g6b5"; break;
case 0x3: format = "a8r8g8b8"; break;
case 0x4: format = "ycrcb_swapy"; break;
case 0x5: format = "ycrcb_normal"; break;
case 0x6: format = "ycrcb_swapuv"; break;
case 0x7: format = "ycrcb_swapuvy"; break;
case 0x8: format = "a4r4g4b4"; break;
case 0x9: format = "a1r5g5b5"; break;
case 0xa: format = "a2r10g10b10"; break;
default: format = "BAD"; break;
}
switch ((data[1] >> 2) & 0x3) {
case 0x0: zformat = "u16"; break;
case 0x1: zformat = "f16"; break;
case 0x2: zformat = "u24x8"; break;
default: zformat = "BAD"; break;
}
kgem_debug_print(data, offset, 1, "%s format, %s depth format, early Z %sabled\n",
format, zformat,
(data[1] & (1 << 31)) ? "en" : "dis");
return len;
case 0x8e:
{
const char *name, *tiling;
len = (data[0] & 0x0000000f) + 2;
assert (len == 3);
switch((data[1] >> 24) & 0x7) {
case 0x3: name = "color"; break;
case 0x7: name = "depth"; break;
default: name = "unknown"; break;
}
tiling = "none";
if (data[1] & (1 << 23))
tiling = "fenced";
else if (data[1] & (1 << 22))
tiling = data[1] & (1 << 21) ? "Y" : "X";
kgem_debug_print(data, offset, 0, "3DSTATE_BUFFER_INFO\n");
kgem_debug_print(data, offset, 1, "%s, tiling = %s, pitch=%d\n", name, tiling, data[1]&0xffff);
kgem_debug_print(data, offset, 2, "address\n");
return len;
}
case 0x81:
len = (data[0] & 0x0000000f) + 2;
assert (len == 3);
kgem_debug_print(data, offset, 0,
"3DSTATE_SCISSOR_RECTANGLE\n");
kgem_debug_print(data, offset, 1, "(%d,%d)\n",
data[1] & 0xffff, data[1] >> 16);
kgem_debug_print(data, offset, 2, "(%d,%d)\n",
data[2] & 0xffff, data[2] >> 16);
return len;
case 0x80:
len = (data[0] & 0x0000000f) + 2;
assert (len == 5);
kgem_debug_print(data, offset, 0,
"3DSTATE_DRAWING_RECTANGLE\n");
kgem_debug_print(data, offset, 1, "%s\n",
data[1]&(1<<30)?"depth ofs disabled ":"");
kgem_debug_print(data, offset, 2, "(%d,%d)\n",
data[2] & 0xffff, data[2] >> 16);
kgem_debug_print(data, offset, 3, "(%d,%d)\n",
data[3] & 0xffff, data[3] >> 16);
kgem_debug_print(data, offset, 4, "(%d,%d)\n",
data[4] & 0xffff, data[4] >> 16);
return len;
case 0x9c:
len = (data[0] & 0x0000000f) + 2;
assert (len == 7);
kgem_debug_print(data, offset, 0,
"3DSTATE_CLEAR_PARAMETERS\n");
kgem_debug_print(data, offset, 1, "prim_type=%s, clear=%s%s%s\n",
data[1]&(1<<16)?"CLEAR_RECT":"ZONE_INIT",
data[1]&(1<<2)?"color,":"",
data[1]&(1<<1)?"depth,":"",
data[1]&(1<<0)?"stencil,":"");
kgem_debug_print(data, offset, 2, "clear color\n");
kgem_debug_print(data, offset, 3, "clear depth/stencil\n");
kgem_debug_print(data, offset, 4, "color value (rgba8888)\n");
kgem_debug_print(data, offset, 5, "depth value %f\n",
int_as_float(data[5]));
kgem_debug_print(data, offset, 6, "clear stencil\n");
return len;
}
for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
opcode_3d_1d = &opcodes_3d_1d[idx];
if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
len = 1;
kgem_debug_print(data, offset, 0, "%s\n", opcode_3d_1d->name);
if (opcode_3d_1d->max_len > 1) {
len = (data[0] & 0x0000ffff) + 2;
assert (len >= opcode_3d_1d->min_len &&
len <= opcode_3d_1d->max_len);
}
for (i = 1; i < len; i++)
kgem_debug_print(data, offset, i, "dword %d\n", i);
return len;
}
}
kgem_debug_print(data, offset, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n", opcode);
return 1;
}
static int
decode_3d_1c(struct kgem *kgem, uint32_t offset)
{
uint32_t *data = kgem->batch + offset;
uint32_t opcode;
opcode = (data[0] & 0x00f80000) >> 19;
switch (opcode) {
case 0x11:
kgem_debug_print(data, offset, 0, "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
return 1;
case 0x10:
kgem_debug_print(data, offset, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
data[0]&1?"enabled":"disabled");
return 1;
case 0x01:
kgem_debug_print(data, offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
return 1;
case 0x0a:
kgem_debug_print(data, offset, 0, "3DSTATE_MAP_CUBE_I830\n");
return 1;
case 0x05:
kgem_debug_print(data, offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
return 1;
}
kgem_debug_print(data, offset, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
opcode);
return 1;
}
int kgem_gen2_decode_3d(struct kgem *kgem, uint32_t offset)
{
const static struct {
uint32_t opcode;
int min_len;
int max_len;
const char *name;
} opcodes[] = {
{ 0x02, 1, 1, "3DSTATE_MODES_3" },
{ 0x03, 1, 1, "3DSTATE_ENABLES_1"},
{ 0x04, 1, 1, "3DSTATE_ENABLES_2"},
{ 0x05, 1, 1, "3DSTATE_VFT0"},
{ 0x06, 1, 1, "3DSTATE_AA"},
{ 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
{ 0x08, 1, 1, "3DSTATE_MODES_1" },
{ 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
{ 0x0a, 1, 1, "3DSTATE_VFT1"},
{ 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
{ 0x0c, 1, 1, "3DSTATE_MODES_5" },
{ 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
{ 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
{ 0x0f, 1, 1, "3DSTATE_MODES_2" },
{ 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
{ 0x16, 1, 1, "3DSTATE_MODES_4" },
};
uint32_t *data = kgem->batch + offset;
uint32_t opcode = (data[0] & 0x1f000000) >> 24;
uint32_t idx;
switch (opcode) {
case 0x1f:
return decode_3d_primitive(kgem, offset);
case 0x1d:
return decode_3d_1d(kgem, offset);
case 0x1c:
return decode_3d_1c(kgem, offset);
}
/* Catch the known instructions */
for (idx = 0; idx < ARRAY_SIZE(opcodes); idx++) {
if (opcode == opcodes[idx].opcode) {
unsigned int len = 1, i;
kgem_debug_print(data, offset, 0, "%s\n", opcodes[idx].name);
if (opcodes[idx].max_len > 1) {
len = (data[0] & 0xf) + 2;
assert(len >= opcodes[idx].min_len &&
len <= opcodes[idx].max_len);
}
for (i = 1; i < len; i++)
kgem_debug_print(data, offset, i, "dword %d\n", i);
return len;
}
}
kgem_debug_print(data, offset, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
return 1;
}
void kgem_gen2_finish_state(struct kgem *kgem)
{
memset(&state, 0, sizeof(state));
}