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intel_batch_decoder.c
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/*
* Copyright © 2017 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.
*/
#include "common/intel_decoder.h"
#include "intel_disasm.h"
#include "util/macros.h"
#include "util/u_math.h" /* Needed for ROUND_DOWN_TO */
#include <string.h>
void
intel_batch_decode_ctx_init(struct intel_batch_decode_ctx *ctx,
const struct brw_isa_info *isa,
const struct intel_device_info *devinfo,
FILE *fp, enum intel_batch_decode_flags flags,
const char *xml_path,
struct intel_batch_decode_bo (*get_bo)(void *,
bool,
uint64_t),
unsigned (*get_state_size)(void *, uint64_t,
uint64_t),
void *user_data)
{
memset(ctx, 0, sizeof(*ctx));
ctx->isa = isa;
ctx->devinfo = *devinfo;
ctx->get_bo = get_bo;
ctx->get_state_size = get_state_size;
ctx->user_data = user_data;
ctx->fp = fp;
ctx->flags = flags;
ctx->max_vbo_decoded_lines = -1; /* No limit! */
ctx->engine = I915_ENGINE_CLASS_RENDER;
if (xml_path == NULL)
ctx->spec = intel_spec_load(devinfo);
else
ctx->spec = intel_spec_load_from_path(devinfo, xml_path);
}
void
intel_batch_decode_ctx_finish(struct intel_batch_decode_ctx *ctx)
{
intel_spec_destroy(ctx->spec);
}
#define CSI "\e["
#define RED_COLOR CSI "31m"
#define BLUE_HEADER CSI "0;44m" CSI "1;37m"
#define GREEN_HEADER CSI "1;42m"
#define NORMAL CSI "0m"
static void
ctx_print_group(struct intel_batch_decode_ctx *ctx,
struct intel_group *group,
uint64_t address, const void *map)
{
intel_print_group(ctx->fp, group, address, map, 0,
(ctx->flags & INTEL_BATCH_DECODE_IN_COLOR) != 0);
}
static struct intel_batch_decode_bo
ctx_get_bo(struct intel_batch_decode_ctx *ctx, bool ppgtt, uint64_t addr)
{
if (intel_spec_get_gen(ctx->spec) >= intel_make_gen(8,0)) {
/* On Broadwell and above, we have 48-bit addresses which consume two
* dwords. Some packets require that these get stored in a "canonical
* form" which means that bit 47 is sign-extended through the upper
* bits. In order to correctly handle those aub dumps, we need to mask
* off the top 16 bits.
*/
addr &= (~0ull >> 16);
}
struct intel_batch_decode_bo bo = ctx->get_bo(ctx->user_data, ppgtt, addr);
if (intel_spec_get_gen(ctx->spec) >= intel_make_gen(8,0))
bo.addr &= (~0ull >> 16);
/* We may actually have an offset into the bo */
if (bo.map != NULL) {
assert(bo.addr <= addr);
uint64_t offset = addr - bo.addr;
bo.map += offset;
bo.addr += offset;
bo.size -= offset;
}
return bo;
}
static int
update_count(struct intel_batch_decode_ctx *ctx,
uint64_t address,
uint64_t base_address,
unsigned element_dwords,
unsigned guess)
{
unsigned size = 0;
if (ctx->get_state_size)
size = ctx->get_state_size(ctx->user_data, address, base_address);
if (size > 0)
return size / (sizeof(uint32_t) * element_dwords);
/* In the absence of any information, just guess arbitrarily. */
return guess;
}
static void
ctx_disassemble_program(struct intel_batch_decode_ctx *ctx,
uint32_t ksp, const char *type)
{
uint64_t addr = ctx->instruction_base + ksp;
struct intel_batch_decode_bo bo = ctx_get_bo(ctx, true, addr);
if (!bo.map)
return;
fprintf(ctx->fp, "\nReferenced %s:\n", type);
intel_disassemble(ctx->isa, bo.map, 0, ctx->fp);
}
/* Heuristic to determine whether a uint32_t is probably actually a float
* (http://stackoverflow.com/a/2953466)
*/
static bool
probably_float(uint32_t bits)
{
int exp = ((bits & 0x7f800000U) >> 23) - 127;
uint32_t mant = bits & 0x007fffff;
/* +- 0.0 */
if (exp == -127 && mant == 0)
return true;
/* +- 1 billionth to 1 billion */
if (-30 <= exp && exp <= 30)
return true;
/* some value with only a few binary digits */
if ((mant & 0x0000ffff) == 0)
return true;
return false;
}
static void
ctx_print_buffer(struct intel_batch_decode_ctx *ctx,
struct intel_batch_decode_bo bo,
uint32_t read_length,
uint32_t pitch,
int max_lines)
{
const uint32_t *dw_end =
bo.map + ROUND_DOWN_TO(MIN2(bo.size, read_length), 4);
int column_count = 0, pitch_col_count = 0, line_count = -1;
for (const uint32_t *dw = bo.map; dw < dw_end; dw++) {
if (pitch_col_count * 4 == pitch || column_count == 8) {
fprintf(ctx->fp, "\n");
column_count = 0;
if (pitch_col_count * 4 == pitch)
pitch_col_count = 0;
line_count++;
if (max_lines >= 0 && line_count >= max_lines)
break;
}
fprintf(ctx->fp, column_count == 0 ? " " : " ");
if ((ctx->flags & INTEL_BATCH_DECODE_FLOATS) && probably_float(*dw))
fprintf(ctx->fp, " %8.2f", *(float *) dw);
else
fprintf(ctx->fp, " 0x%08x", *dw);
column_count++;
pitch_col_count++;
}
fprintf(ctx->fp, "\n");
}
static struct intel_group *
intel_ctx_find_instruction(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
return intel_spec_find_instruction(ctx->spec, ctx->engine, p);
}
static void
handle_state_base_address(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
uint64_t surface_base = 0, dynamic_base = 0, instruction_base = 0;
bool surface_modify = 0, dynamic_modify = 0, instruction_modify = 0;
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Surface State Base Address") == 0) {
surface_base = iter.raw_value;
} else if (strcmp(iter.name, "Dynamic State Base Address") == 0) {
dynamic_base = iter.raw_value;
} else if (strcmp(iter.name, "Instruction Base Address") == 0) {
instruction_base = iter.raw_value;
} else if (strcmp(iter.name, "Surface State Base Address Modify Enable") == 0) {
surface_modify = iter.raw_value;
} else if (strcmp(iter.name, "Dynamic State Base Address Modify Enable") == 0) {
dynamic_modify = iter.raw_value;
} else if (strcmp(iter.name, "Instruction Base Address Modify Enable") == 0) {
instruction_modify = iter.raw_value;
}
}
if (dynamic_modify)
ctx->dynamic_base = dynamic_base;
if (surface_modify)
ctx->surface_base = surface_base;
if (instruction_modify)
ctx->instruction_base = instruction_base;
}
static void
handle_binding_table_pool_alloc(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
uint64_t bt_pool_base = 0;
bool bt_pool_enable = false;
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Binding Table Pool Base Address") == 0) {
bt_pool_base = iter.raw_value;
} else if (strcmp(iter.name, "Binding Table Pool Enable") == 0) {
bt_pool_enable = iter.raw_value;
}
}
if (bt_pool_enable || ctx->devinfo.verx10 >= 125) {
ctx->bt_pool_base = bt_pool_base;
} else {
ctx->bt_pool_base = 0;
}
}
static void
dump_binding_table(struct intel_batch_decode_ctx *ctx,
uint32_t offset, int count)
{
struct intel_group *strct =
intel_spec_find_struct(ctx->spec, "RENDER_SURFACE_STATE");
if (strct == NULL) {
fprintf(ctx->fp, "did not find RENDER_SURFACE_STATE info\n");
return;
}
/* Most platforms use a 16-bit pointer with 32B alignment in bits 15:5. */
uint32_t btp_alignment = 32;
uint32_t btp_pointer_bits = 16;
if (ctx->devinfo.verx10 >= 125) {
/* The pointer is now 21-bit with 32B alignment in bits 20:5. */
btp_pointer_bits = 21;
} else if (ctx->use_256B_binding_tables) {
/* When 256B binding tables are enabled, we have to shift the offset
* which is stored in bits 15:5 but interpreted as bits 18:8 of the
* actual offset. The effective pointer is 19-bit with 256B alignment.
*/
offset <<= 3;
btp_pointer_bits = 19;
btp_alignment = 256;
}
const uint64_t bt_pool_base = ctx->bt_pool_base ? ctx->bt_pool_base :
ctx->surface_base;
if (count < 0) {
count = update_count(ctx, bt_pool_base + offset,
bt_pool_base, 1, 8);
}
if (offset % btp_alignment != 0 || offset >= (1u << btp_pointer_bits)) {
fprintf(ctx->fp, " invalid binding table pointer\n");
return;
}
struct intel_batch_decode_bo bind_bo =
ctx_get_bo(ctx, true, bt_pool_base + offset);
if (bind_bo.map == NULL) {
fprintf(ctx->fp, " binding table unavailable\n");
return;
}
const uint32_t *pointers = bind_bo.map;
for (int i = 0; i < count; i++) {
if (pointers[i] == 0)
continue;
uint64_t addr = ctx->surface_base + pointers[i];
struct intel_batch_decode_bo bo = ctx_get_bo(ctx, true, addr);
uint32_t size = strct->dw_length * 4;
if (pointers[i] % 32 != 0 ||
addr < bo.addr || addr + size >= bo.addr + bo.size) {
fprintf(ctx->fp, "pointer %u: 0x%08x <not valid>\n", i, pointers[i]);
continue;
}
fprintf(ctx->fp, "pointer %u: 0x%08x\n", i, pointers[i]);
ctx_print_group(ctx, strct, addr, bo.map + (addr - bo.addr));
}
}
static void
dump_samplers(struct intel_batch_decode_ctx *ctx, uint32_t offset, int count)
{
struct intel_group *strct = intel_spec_find_struct(ctx->spec, "SAMPLER_STATE");
uint64_t state_addr = ctx->dynamic_base + offset;
assert(count > 0);
struct intel_batch_decode_bo bo = ctx_get_bo(ctx, true, state_addr);
const void *state_map = bo.map;
if (state_map == NULL) {
fprintf(ctx->fp, " samplers unavailable\n");
return;
}
if (offset % 32 != 0) {
fprintf(ctx->fp, " invalid sampler state pointer\n");
return;
}
const unsigned sampler_state_size = strct->dw_length * 4;
if (count * sampler_state_size >= bo.size) {
fprintf(ctx->fp, " sampler state ends after bo ends\n");
assert(!"sampler state ends after bo ends");
return;
}
for (int i = 0; i < count; i++) {
fprintf(ctx->fp, "sampler state %d\n", i);
ctx_print_group(ctx, strct, state_addr, state_map);
state_addr += sampler_state_size;
state_map += sampler_state_size;
}
}
static void
handle_interface_descriptor_data(struct intel_batch_decode_ctx *ctx,
struct intel_group *desc, const uint32_t *p)
{
uint64_t ksp = 0;
uint32_t sampler_offset = 0, sampler_count = 0;
uint32_t binding_table_offset = 0, binding_entry_count = 0;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, desc, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Kernel Start Pointer") == 0) {
ksp = strtoll(iter.value, NULL, 16);
} else if (strcmp(iter.name, "Sampler State Pointer") == 0) {
sampler_offset = strtol(iter.value, NULL, 16);
} else if (strcmp(iter.name, "Sampler Count") == 0) {
sampler_count = strtol(iter.value, NULL, 10);
} else if (strcmp(iter.name, "Binding Table Pointer") == 0) {
binding_table_offset = strtol(iter.value, NULL, 16);
} else if (strcmp(iter.name, "Binding Table Entry Count") == 0) {
binding_entry_count = strtol(iter.value, NULL, 10);
}
}
ctx_disassemble_program(ctx, ksp, "compute shader");
fprintf(ctx->fp, "\n");
if (sampler_count)
dump_samplers(ctx, sampler_offset, sampler_count);
if (binding_entry_count)
dump_binding_table(ctx, binding_table_offset, binding_entry_count);
}
static void
handle_media_interface_descriptor_load(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_group *desc =
intel_spec_find_struct(ctx->spec, "INTERFACE_DESCRIPTOR_DATA");
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
uint32_t descriptor_offset = 0;
int descriptor_count = 0;
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Interface Descriptor Data Start Address") == 0) {
descriptor_offset = strtol(iter.value, NULL, 16);
} else if (strcmp(iter.name, "Interface Descriptor Total Length") == 0) {
descriptor_count =
strtol(iter.value, NULL, 16) / (desc->dw_length * 4);
}
}
uint64_t desc_addr = ctx->dynamic_base + descriptor_offset;
struct intel_batch_decode_bo bo = ctx_get_bo(ctx, true, desc_addr);
const void *desc_map = bo.map;
if (desc_map == NULL) {
fprintf(ctx->fp, " interface descriptors unavailable\n");
return;
}
for (int i = 0; i < descriptor_count; i++) {
fprintf(ctx->fp, "descriptor %d: %08x\n", i, descriptor_offset);
ctx_print_group(ctx, desc, desc_addr, desc_map);
handle_interface_descriptor_data(ctx, desc, desc_map);
desc_map += desc->dw_length;
desc_addr += desc->dw_length * 4;
}
}
static void
handle_compute_walker(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Interface Descriptor") == 0) {
handle_interface_descriptor_data(ctx, iter.struct_desc,
&iter.p[iter.start_bit / 32]);
}
}
}
static void
handle_3dstate_vertex_buffers(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_group *vbs = intel_spec_find_struct(ctx->spec, "VERTEX_BUFFER_STATE");
struct intel_batch_decode_bo vb = {};
uint32_t vb_size = 0;
int index = -1;
int pitch = -1;
bool ready = false;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (iter.struct_desc != vbs)
continue;
struct intel_field_iterator vbs_iter;
intel_field_iterator_init(&vbs_iter, vbs, &iter.p[iter.start_bit / 32], 0, false);
while (intel_field_iterator_next(&vbs_iter)) {
if (strcmp(vbs_iter.name, "Vertex Buffer Index") == 0) {
index = vbs_iter.raw_value;
} else if (strcmp(vbs_iter.name, "Buffer Pitch") == 0) {
pitch = vbs_iter.raw_value;
} else if (strcmp(vbs_iter.name, "Buffer Starting Address") == 0) {
vb = ctx_get_bo(ctx, true, vbs_iter.raw_value);
} else if (strcmp(vbs_iter.name, "Buffer Size") == 0) {
vb_size = vbs_iter.raw_value;
ready = true;
} else if (strcmp(vbs_iter.name, "End Address") == 0) {
if (vb.map && vbs_iter.raw_value >= vb.addr)
vb_size = (vbs_iter.raw_value + 1) - vb.addr;
else
vb_size = 0;
ready = true;
}
if (!ready)
continue;
fprintf(ctx->fp, "vertex buffer %d, size %d\n", index, vb_size);
if (vb.map == NULL) {
fprintf(ctx->fp, " buffer contents unavailable\n");
continue;
}
if (vb.map == 0 || vb_size == 0)
continue;
ctx_print_buffer(ctx, vb, vb_size, pitch, ctx->max_vbo_decoded_lines);
vb.map = NULL;
vb_size = 0;
index = -1;
pitch = -1;
ready = false;
}
}
}
static void
handle_3dstate_index_buffer(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_batch_decode_bo ib = {};
uint32_t ib_size = 0;
uint32_t format = 0;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Index Format") == 0) {
format = iter.raw_value;
} else if (strcmp(iter.name, "Buffer Starting Address") == 0) {
ib = ctx_get_bo(ctx, true, iter.raw_value);
} else if (strcmp(iter.name, "Buffer Size") == 0) {
ib_size = iter.raw_value;
}
}
if (ib.map == NULL) {
fprintf(ctx->fp, " buffer contents unavailable\n");
return;
}
const void *m = ib.map;
const void *ib_end = ib.map + MIN2(ib.size, ib_size);
for (int i = 0; m < ib_end && i < 10; i++) {
switch (format) {
case 0:
fprintf(ctx->fp, "%3d ", *(uint8_t *)m);
m += 1;
break;
case 1:
fprintf(ctx->fp, "%3d ", *(uint16_t *)m);
m += 2;
break;
case 2:
fprintf(ctx->fp, "%3d ", *(uint32_t *)m);
m += 4;
break;
}
}
if (m < ib_end)
fprintf(ctx->fp, "...");
fprintf(ctx->fp, "\n");
}
static void
decode_single_ksp(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
uint64_t ksp = 0;
bool is_simd8 = ctx->devinfo.ver >= 11; /* vertex shaders on Gfx8+ only */
bool is_enabled = true;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Kernel Start Pointer") == 0) {
ksp = iter.raw_value;
} else if (strcmp(iter.name, "SIMD8 Dispatch Enable") == 0) {
is_simd8 = iter.raw_value;
} else if (strcmp(iter.name, "Dispatch Mode") == 0) {
is_simd8 = strcmp(iter.value, "SIMD8") == 0;
} else if (strcmp(iter.name, "Dispatch Enable") == 0) {
is_simd8 = strcmp(iter.value, "SIMD8") == 0;
} else if (strcmp(iter.name, "Enable") == 0) {
is_enabled = iter.raw_value;
}
}
const char *type =
strcmp(inst->name, "VS_STATE") == 0 ? "vertex shader" :
strcmp(inst->name, "GS_STATE") == 0 ? "geometry shader" :
strcmp(inst->name, "SF_STATE") == 0 ? "strips and fans shader" :
strcmp(inst->name, "CLIP_STATE") == 0 ? "clip shader" :
strcmp(inst->name, "3DSTATE_DS") == 0 ? "tessellation evaluation shader" :
strcmp(inst->name, "3DSTATE_HS") == 0 ? "tessellation control shader" :
strcmp(inst->name, "3DSTATE_VS") == 0 ? (is_simd8 ? "SIMD8 vertex shader" : "vec4 vertex shader") :
strcmp(inst->name, "3DSTATE_GS") == 0 ? (is_simd8 ? "SIMD8 geometry shader" : "vec4 geometry shader") :
NULL;
if (is_enabled) {
ctx_disassemble_program(ctx, ksp, type);
fprintf(ctx->fp, "\n");
}
}
static void
decode_mesh_task_ksp(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
uint64_t ksp = 0;
uint64_t local_x_maximum = 0;
uint64_t threads = 0;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Kernel Start Pointer") == 0) {
ksp = iter.raw_value;
} else if (strcmp(iter.name, "Local X Maximum") == 0) {
local_x_maximum = iter.raw_value;
} else if (strcmp(iter.name, "Number of Threads in GPGPU Thread Group") == 0) {
threads = iter.raw_value;
}
}
const char *type =
strcmp(inst->name, "3DSTATE_MESH_SHADER") == 0 ? "mesh shader" :
strcmp(inst->name, "3DSTATE_TASK_SHADER") == 0 ? "task shader" :
NULL;
if (threads && local_x_maximum) {
ctx_disassemble_program(ctx, ksp, type);
fprintf(ctx->fp, "\n");
}
}
static void
decode_ps_kern(struct intel_batch_decode_ctx *ctx,
struct intel_group *inst, const uint32_t *p)
{
bool single_ksp = ctx->devinfo.ver == 4;
uint64_t ksp[3] = {0, 0, 0};
bool enabled[3] = {false, false, false};
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (strncmp(iter.name, "Kernel Start Pointer ",
strlen("Kernel Start Pointer ")) == 0) {
int idx = iter.name[strlen("Kernel Start Pointer ")] - '0';
ksp[idx] = strtol(iter.value, NULL, 16);
} else if (strcmp(iter.name, "8 Pixel Dispatch Enable") == 0) {
enabled[0] = strcmp(iter.value, "true") == 0;
} else if (strcmp(iter.name, "16 Pixel Dispatch Enable") == 0) {
enabled[1] = strcmp(iter.value, "true") == 0;
} else if (strcmp(iter.name, "32 Pixel Dispatch Enable") == 0) {
enabled[2] = strcmp(iter.value, "true") == 0;
}
}
if (single_ksp)
ksp[1] = ksp[2] = ksp[0];
/* Reorder KSPs to be [8, 16, 32] instead of the hardware order. */
if (enabled[0] + enabled[1] + enabled[2] == 1) {
if (enabled[1]) {
ksp[1] = ksp[0];
ksp[0] = 0;
} else if (enabled[2]) {
ksp[2] = ksp[0];
ksp[0] = 0;
}
} else {
uint64_t tmp = ksp[1];
ksp[1] = ksp[2];
ksp[2] = tmp;
}
if (enabled[0])
ctx_disassemble_program(ctx, ksp[0], "SIMD8 fragment shader");
if (enabled[1])
ctx_disassemble_program(ctx, ksp[1], "SIMD16 fragment shader");
if (enabled[2])
ctx_disassemble_program(ctx, ksp[2], "SIMD32 fragment shader");
if (enabled[0] || enabled[1] || enabled[2])
fprintf(ctx->fp, "\n");
}
static void
decode_ps_kernels(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
decode_ps_kern(ctx, inst, p);
}
static void
decode_3dstate_constant_all(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
struct intel_group *inst =
intel_spec_find_instruction(ctx->spec, ctx->engine, p);
struct intel_group *body =
intel_spec_find_struct(ctx->spec, "3DSTATE_CONSTANT_ALL_DATA");
uint32_t read_length[4] = {0};
struct intel_batch_decode_bo buffer[4];
memset(buffer, 0, sizeof(buffer));
struct intel_field_iterator outer;
intel_field_iterator_init(&outer, inst, p, 0, false);
int idx = 0;
while (intel_field_iterator_next(&outer)) {
if (outer.struct_desc != body)
continue;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, body, &outer.p[outer.start_bit / 32],
0, false);
while (intel_field_iterator_next(&iter)) {
if (!strcmp(iter.name, "Pointer To Constant Buffer")) {
buffer[idx] = ctx_get_bo(ctx, true, iter.raw_value);
} else if (!strcmp(iter.name, "Constant Buffer Read Length")) {
read_length[idx] = iter.raw_value;
}
}
idx++;
}
for (int i = 0; i < 4; i++) {
if (read_length[i] == 0 || buffer[i].map == NULL)
continue;
unsigned size = read_length[i] * 32;
fprintf(ctx->fp, "constant buffer %d, size %u\n", i, size);
ctx_print_buffer(ctx, buffer[i], size, 0, -1);
}
}
static void
decode_3dstate_constant(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
struct intel_group *body =
intel_spec_find_struct(ctx->spec, "3DSTATE_CONSTANT_BODY");
uint32_t read_length[4] = {0};
uint64_t read_addr[4] = {0};
struct intel_field_iterator outer;
intel_field_iterator_init(&outer, inst, p, 0, false);
while (intel_field_iterator_next(&outer)) {
if (outer.struct_desc != body)
continue;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, body, &outer.p[outer.start_bit / 32],
0, false);
while (intel_field_iterator_next(&iter)) {
int idx;
if (sscanf(iter.name, "Read Length[%d]", &idx) == 1) {
read_length[idx] = iter.raw_value;
} else if (sscanf(iter.name, "Buffer[%d]", &idx) == 1) {
read_addr[idx] = iter.raw_value;
}
}
for (int i = 0; i < 4; i++) {
if (read_length[i] == 0)
continue;
struct intel_batch_decode_bo buffer = ctx_get_bo(ctx, true, read_addr[i]);
if (!buffer.map) {
fprintf(ctx->fp, "constant buffer %d unavailable\n", i);
continue;
}
unsigned size = read_length[i] * 32;
fprintf(ctx->fp, "constant buffer %d, size %u\n", i, size);
ctx_print_buffer(ctx, buffer, size, 0, -1);
}
}
}
static void
decode_gfx4_constant_buffer(struct intel_batch_decode_ctx *ctx, const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
uint64_t read_length = 0, read_addr = 0, valid = 0;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (!strcmp(iter.name, "Buffer Length")) {
read_length = iter.raw_value;
} else if (!strcmp(iter.name, "Valid")) {
valid = iter.raw_value;
} else if (!strcmp(iter.name, "Buffer Starting Address")) {
read_addr = iter.raw_value;
}
}
if (!valid)
return;
struct intel_batch_decode_bo buffer = ctx_get_bo(ctx, true, read_addr);
if (!buffer.map) {
fprintf(ctx->fp, "constant buffer unavailable\n");
return;
}
unsigned size = (read_length + 1) * 16 * sizeof(float);
fprintf(ctx->fp, "constant buffer size %u\n", size);
ctx_print_buffer(ctx, buffer, size, 0, -1);
}
static void
decode_gfx4_3dstate_binding_table_pointers(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
fprintf(ctx->fp, "VS Binding Table:\n");
dump_binding_table(ctx, p[1], -1);
fprintf(ctx->fp, "GS Binding Table:\n");
dump_binding_table(ctx, p[2], -1);
if (ctx->devinfo.ver < 6) {
fprintf(ctx->fp, "CLIP Binding Table:\n");
dump_binding_table(ctx, p[3], -1);
fprintf(ctx->fp, "SF Binding Table:\n");
dump_binding_table(ctx, p[4], -1);
fprintf(ctx->fp, "PS Binding Table:\n");
dump_binding_table(ctx, p[5], -1);
} else {
fprintf(ctx->fp, "PS Binding Table:\n");
dump_binding_table(ctx, p[3], -1);
}
}
static void
decode_3dstate_binding_table_pointers(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
dump_binding_table(ctx, p[1], -1);
}
static void
decode_3dstate_sampler_state_pointers(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
dump_samplers(ctx, p[1], 1);
}
static void
decode_3dstate_sampler_state_pointers_gfx6(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
dump_samplers(ctx, p[1], 1);
dump_samplers(ctx, p[2], 1);
dump_samplers(ctx, p[3], 1);
}
static bool
str_ends_with(const char *str, const char *end)
{
int offset = strlen(str) - strlen(end);
if (offset < 0)
return false;
return strcmp(str + offset, end) == 0;
}
static void
decode_dynamic_state(struct intel_batch_decode_ctx *ctx,
const char *struct_type, uint32_t state_offset,
int count)
{
uint64_t state_addr = ctx->dynamic_base + state_offset;
struct intel_batch_decode_bo bo = ctx_get_bo(ctx, true, state_addr);
const void *state_map = bo.map;
if (state_map == NULL) {
fprintf(ctx->fp, " dynamic %s state unavailable\n", struct_type);
return;
}
struct intel_group *state = intel_spec_find_struct(ctx->spec, struct_type);
if (strcmp(struct_type, "BLEND_STATE") == 0) {
/* Blend states are different from the others because they have a header
* struct called BLEND_STATE which is followed by a variable number of
* BLEND_STATE_ENTRY structs.
*/
fprintf(ctx->fp, "%s\n", struct_type);
ctx_print_group(ctx, state, state_addr, state_map);
state_addr += state->dw_length * 4;
state_map += state->dw_length * 4;
struct_type = "BLEND_STATE_ENTRY";
state = intel_spec_find_struct(ctx->spec, struct_type);
}
count = update_count(ctx, ctx->dynamic_base + state_offset,
ctx->dynamic_base, state->dw_length, count);
for (int i = 0; i < count; i++) {
fprintf(ctx->fp, "%s %d\n", struct_type, i);
ctx_print_group(ctx, state, state_addr, state_map);
state_addr += state->dw_length * 4;
state_map += state->dw_length * 4;
}
}
static void
decode_dynamic_state_pointers(struct intel_batch_decode_ctx *ctx,
const char *struct_type, const uint32_t *p,
int count)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
uint32_t state_offset = 0;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (str_ends_with(iter.name, "Pointer") || !strncmp(iter.name, "Pointer", 7)) {
state_offset = iter.raw_value;
break;
}
}
decode_dynamic_state(ctx, struct_type, state_offset, count);
}
static void
decode_3dstate_viewport_state_pointers(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
struct intel_group *inst = intel_ctx_find_instruction(ctx, p);
uint32_t state_offset = 0;
bool clip = false, sf = false, cc = false;
struct intel_field_iterator iter;
intel_field_iterator_init(&iter, inst, p, 0, false);
while (intel_field_iterator_next(&iter)) {
if (!strcmp(iter.name, "CLIP Viewport State Change"))
clip = iter.raw_value;
if (!strcmp(iter.name, "SF Viewport State Change"))
sf = iter.raw_value;
if (!strcmp(iter.name, "CC Viewport State Change"))
cc = iter.raw_value;
else if (!strcmp(iter.name, "Pointer to CLIP_VIEWPORT") && clip) {
state_offset = iter.raw_value;
decode_dynamic_state(ctx, "CLIP_VIEWPORT", state_offset, 1);
}
else if (!strcmp(iter.name, "Pointer to SF_VIEWPORT") && sf) {
state_offset = iter.raw_value;
decode_dynamic_state(ctx, "SF_VIEWPORT", state_offset, 1);
}
else if (!strcmp(iter.name, "Pointer to CC_VIEWPORT") && cc) {
state_offset = iter.raw_value;
decode_dynamic_state(ctx, "CC_VIEWPORT", state_offset, 1);
}
}
}
static void
decode_3dstate_viewport_state_pointers_cc(struct intel_batch_decode_ctx *ctx,
const uint32_t *p)
{
decode_dynamic_state_pointers(ctx, "CC_VIEWPORT", p, 4);
}
static void