blob: e60965017c5d7cede13d02fac78b1563f9bfa8b0 [file] [log] [blame]
/*
* 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 <string.h>
#include "util/macros.h"
#include "aubinator_viewer.h"
void
aub_viewer_decode_ctx_init(struct aub_viewer_decode_ctx *ctx,
struct aub_viewer_cfg *cfg,
struct aub_viewer_decode_cfg *decode_cfg,
struct gen_spec *spec,
struct gen_disasm *disasm,
struct gen_batch_decode_bo (*get_bo)(void *, uint64_t),
unsigned (*get_state_size)(void *, uint32_t),
void *user_data)
{
memset(ctx, 0, sizeof(*ctx));
ctx->get_bo = get_bo;
ctx->get_state_size = get_state_size;
ctx->user_data = user_data;
ctx->engine = I915_ENGINE_CLASS_RENDER;
ctx->cfg = cfg;
ctx->decode_cfg = decode_cfg;
ctx->spec = spec;
ctx->disasm = disasm;
}
static void
aub_viewer_print_group(struct aub_viewer_decode_ctx *ctx,
struct gen_group *group,
uint64_t address, const void *map)
{
struct gen_field_iterator iter;
int last_dword = -1;
const uint32_t *p = (const uint32_t *) map;
gen_field_iterator_init(&iter, group, p, 0, false);
while (gen_field_iterator_next(&iter)) {
if (ctx->decode_cfg->show_dwords) {
int iter_dword = iter.end_bit / 32;
if (last_dword != iter_dword) {
for (int i = last_dword + 1; i <= iter_dword; i++) {
ImGui::TextColored(ctx->cfg->dwords_color,
"0x%08" PRIx64 ": 0x%08x : Dword %d",
address + 4 * i, iter.p[i], i);
}
last_dword = iter_dword;
}
}
if (!gen_field_is_header(iter.field)) {
if (ctx->decode_cfg->field_filter.PassFilter(iter.name)) {
if (iter.field->type.kind == gen_type::GEN_TYPE_BOOL && iter.raw_value) {
ImGui::Text("%s: ", iter.name); ImGui::SameLine();
ImGui::TextColored(ctx->cfg->boolean_color, "true");
} else {
ImGui::Text("%s: %s", iter.name, iter.value);
}
if (iter.struct_desc) {
int struct_dword = iter.start_bit / 32;
uint64_t struct_address = address + 4 * struct_dword;
aub_viewer_print_group(ctx, iter.struct_desc, struct_address,
&p[struct_dword]);
}
}
}
}
}
static struct gen_batch_decode_bo
ctx_get_bo(struct aub_viewer_decode_ctx *ctx, uint64_t addr)
{
if (gen_spec_get_gen(ctx->spec) >= gen_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 gen_batch_decode_bo bo = ctx->get_bo(ctx->user_data, addr);
if (gen_spec_get_gen(ctx->spec) >= gen_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 = (const uint8_t *)bo.map + offset;
bo.addr += offset;
bo.size -= offset;
}
return bo;
}
static int
update_count(struct aub_viewer_decode_ctx *ctx,
uint32_t offset_from_dsba,
unsigned element_dwords,
unsigned guess)
{
unsigned size = 0;
if (ctx->get_state_size)
size = ctx->get_state_size(ctx->user_data, offset_from_dsba);
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 aub_viewer_decode_ctx *ctx,
uint32_t ksp, const char *type)
{
uint64_t addr = ctx->instruction_base + ksp;
struct gen_batch_decode_bo bo = ctx_get_bo(ctx, addr);
if (!bo.map) {
ImGui::TextColored(ctx->cfg->missing_color,
"Shader unavailable addr=0x%012" PRIx64, addr);
return;
}
ImGui::PushID(addr);
if (ImGui::Button(type) && ctx->display_shader)
ctx->display_shader(ctx->user_data, type, addr);
ImGui::PopID();
}
static void
handle_state_base_address(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_field_iterator iter;
gen_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 (gen_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
dump_binding_table(struct aub_viewer_decode_ctx *ctx, uint32_t offset, int count)
{
struct gen_group *strct =
gen_spec_find_struct(ctx->spec, "RENDER_SURFACE_STATE");
if (strct == NULL) {
ImGui::TextColored(ctx->cfg->missing_color, "did not find RENDER_SURFACE_STATE info");
return;
}
if (count < 0)
count = update_count(ctx, offset, 1, 8);
if (offset % 32 != 0 || offset >= UINT16_MAX) {
ImGui::TextColored(ctx->cfg->missing_color, "invalid binding table pointer");
return;
}
struct gen_batch_decode_bo bind_bo =
ctx_get_bo(ctx, ctx->surface_base + offset);
if (bind_bo.map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"binding table unavailable addr=0x%08" PRIx64,
ctx->surface_base + offset);
return;
}
const uint32_t *pointers = (const uint32_t *) bind_bo.map;
for (int i = 0; i < count; i++) {
if (pointers[i] == 0)
continue;
uint64_t addr = ctx->surface_base + pointers[i];
struct gen_batch_decode_bo bo = ctx_get_bo(ctx, addr);
uint32_t size = strct->dw_length * 4;
if (pointers[i] % 32 != 0 ||
addr < bo.addr || addr + size >= bo.addr + bo.size) {
ImGui::TextColored(ctx->cfg->missing_color,
"pointer %u: %08x <not valid>", i, pointers[i]);
continue;
}
const uint8_t *state = (const uint8_t *) bo.map + (addr - bo.addr);
if (ImGui::TreeNodeEx(&pointers[i], ImGuiTreeNodeFlags_Framed,
"pointer %u: %08x", i, pointers[i])) {
aub_viewer_print_group(ctx, strct, addr, state);
ImGui::TreePop();
}
}
}
static void
dump_samplers(struct aub_viewer_decode_ctx *ctx, uint32_t offset, int count)
{
struct gen_group *strct = gen_spec_find_struct(ctx->spec, "SAMPLER_STATE");
if (count < 0)
count = update_count(ctx, offset, strct->dw_length, 4);
uint64_t state_addr = ctx->dynamic_base + offset;
struct gen_batch_decode_bo bo = ctx_get_bo(ctx, state_addr);
const uint8_t *state_map = (const uint8_t *) bo.map;
if (state_map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"samplers unavailable addr=0x%08" PRIx64, state_addr);
return;
}
if (offset % 32 != 0 || state_addr - bo.addr >= bo.size) {
ImGui::TextColored(ctx->cfg->missing_color, "invalid sampler state pointer");
return;
}
for (int i = 0; i < count; i++) {
if (ImGui::TreeNodeEx(state_map, ImGuiTreeNodeFlags_Framed,
"sampler state %d", i)) {
aub_viewer_print_group(ctx, strct, state_addr, state_map);
ImGui::TreePop();
}
state_addr += 16;
state_map += 16;
}
}
static void
handle_media_interface_descriptor_load(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_group *desc =
gen_spec_find_struct(ctx->spec, "INTERFACE_DESCRIPTOR_DATA");
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
uint32_t descriptor_offset = 0;
int descriptor_count = 0;
while (gen_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 gen_batch_decode_bo bo = ctx_get_bo(ctx, desc_addr);
const uint32_t *desc_map = (const uint32_t *) bo.map;
if (desc_map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"interface descriptors unavailable addr=0x%08" PRIx64, desc_addr);
return;
}
for (int i = 0; i < descriptor_count; i++) {
ImGui::Text("descriptor %d: %08x", i, descriptor_offset);
aub_viewer_print_group(ctx, desc, desc_addr, desc_map);
gen_field_iterator_init(&iter, desc, desc_map, 0, false);
uint64_t ksp = 0;
uint32_t sampler_offset = 0, sampler_count = 0;
uint32_t binding_table_offset = 0, binding_entry_count = 0;
while (gen_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");
dump_samplers(ctx, sampler_offset, sampler_count);
dump_binding_table(ctx, binding_table_offset, binding_entry_count);
desc_map += desc->dw_length;
desc_addr += desc->dw_length * 4;
}
}
static void
handle_3dstate_vertex_buffers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_group *vbs = gen_spec_find_struct(ctx->spec, "VERTEX_BUFFER_STATE");
struct gen_batch_decode_bo vb = {};
uint32_t vb_size = 0;
int index = -1;
int pitch = -1;
bool ready = false;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_field_iterator_next(&iter)) {
if (iter.struct_desc != vbs)
continue;
uint64_t buffer_addr;
struct gen_field_iterator vbs_iter;
gen_field_iterator_init(&vbs_iter, vbs, &iter.p[iter.start_bit / 32], 0, false);
while (gen_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) {
buffer_addr = vbs_iter.raw_value;
vb = ctx_get_bo(ctx, buffer_addr);
} 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 - vb.addr;
else
vb_size = 0;
ready = true;
}
if (!ready)
continue;
ImGui::Text("vertex buffer %d, size %d, pitch %d", index, vb_size, pitch);
if (vb.map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"buffer contents unavailable addr=0x%08" PRIx64, buffer_addr);
continue;
}
if (vb.map == 0 || vb_size == 0)
continue;
vb.map = NULL;
vb_size = 0;
index = -1;
pitch = -1;
ready = false;
}
}
}
static void
handle_3dstate_index_buffer(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_batch_decode_bo ib = {};
uint64_t buffer_addr = 0;
uint32_t ib_size = 0;
uint32_t format = 0;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Index Format") == 0) {
format = iter.raw_value;
} else if (strcmp(iter.name, "Buffer Starting Address") == 0) {
buffer_addr = iter.raw_value;
ib = ctx_get_bo(ctx, buffer_addr);
} else if (strcmp(iter.name, "Buffer Size") == 0) {
ib_size = iter.raw_value;
}
}
if (ib.map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"buffer contents unavailable addr=0x%08" PRIx64,
buffer_addr);
return;
}
const uint8_t *m = (const uint8_t *) ib.map;
const uint8_t *ib_end = m + MIN2(ib.size, ib_size);
for (int i = 0; m < ib_end && i < 10; i++) {
switch (format) {
case 0:
m += 1;
break;
case 1:
m += 2;
break;
case 2:
m += 4;
break;
}
}
}
static void
decode_single_ksp(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
uint64_t ksp = 0;
bool is_simd8 = false; /* vertex shaders on Gen8+ only */
bool is_enabled = true;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_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);
}
static void
decode_ps_kernels(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
uint64_t ksp[3] = {0, 0, 0};
bool enabled[3] = {false, false, false};
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_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;
}
}
/* 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");
}
static void
decode_3dstate_constant(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_group *body =
gen_spec_find_struct(ctx->spec, "3DSTATE_CONSTANT_BODY");
uint32_t read_length[4] = {0};
uint64_t read_addr[4];
struct gen_field_iterator outer;
gen_field_iterator_init(&outer, inst, p, 0, false);
while (gen_field_iterator_next(&outer)) {
if (outer.struct_desc != body)
continue;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, body, &outer.p[outer.start_bit / 32],
0, false);
while (gen_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 gen_batch_decode_bo buffer = ctx_get_bo(ctx, read_addr[i]);
if (!buffer.map) {
ImGui::TextColored(ctx->cfg->missing_color,
"constant buffer %d unavailable addr=0x%08" PRIx64,
i, read_addr[i]);
continue;
}
unsigned size = read_length[i] * 32;
ImGui::Text("constant buffer %d, size %u", i, size);
if (ctx->edit_address) {
if (ImGui::Button("Show/Edit buffer"))
ctx->edit_address(ctx->user_data, read_addr[i], size);
}
}
}
}
static void
decode_3dstate_binding_table_pointers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
dump_binding_table(ctx, p[1], -1);
}
static void
decode_3dstate_sampler_state_pointers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
dump_samplers(ctx, p[1], -1);
}
static void
decode_3dstate_sampler_state_pointers_gen6(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
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_pointers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst, const uint32_t *p,
const char *struct_type, int count)
{
uint32_t state_offset = 0;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_field_iterator_next(&iter)) {
if (str_ends_with(iter.name, "Pointer")) {
state_offset = iter.raw_value;
break;
}
}
uint64_t state_addr = ctx->dynamic_base + state_offset;
struct gen_batch_decode_bo bo = ctx_get_bo(ctx, state_addr);
const uint8_t *state_map = (const uint8_t *) bo.map;
if (state_map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"dynamic %s state unavailable addr=0x%08" PRIx64,
struct_type, state_addr);
return;
}
struct gen_group *state = gen_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.
*/
ImGui::Text("%s", struct_type);
aub_viewer_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 = gen_spec_find_struct(ctx->spec, struct_type);
}
for (int i = 0; i < count; i++) {
ImGui::Text("%s %d", struct_type, i);
aub_viewer_print_group(ctx, state, state_addr, state_map);
state_addr += state->dw_length * 4;
state_map += state->dw_length * 4;
}
}
static void
decode_3dstate_viewport_state_pointers_cc(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
decode_dynamic_state_pointers(ctx, inst, p, "CC_VIEWPORT", 4);
}
static void
decode_3dstate_viewport_state_pointers_sf_clip(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
decode_dynamic_state_pointers(ctx, inst, p, "SF_CLIP_VIEWPORT", 4);
}
static void
decode_3dstate_blend_state_pointers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
decode_dynamic_state_pointers(ctx, inst, p, "BLEND_STATE", 1);
}
static void
decode_3dstate_cc_state_pointers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
decode_dynamic_state_pointers(ctx, inst, p, "COLOR_CALC_STATE", 1);
}
static void
decode_3dstate_scissor_state_pointers(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
decode_dynamic_state_pointers(ctx, inst, p, "SCISSOR_RECT", 1);
}
static void
decode_load_register_imm(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_group *reg = gen_spec_find_register(ctx->spec, p[1]);
if (reg != NULL &&
ImGui::TreeNodeEx(&p[1], ImGuiTreeNodeFlags_Framed,
"%s (0x%x) = 0x%x",
reg->name, reg->register_offset, p[2])) {
aub_viewer_print_group(ctx, reg, reg->register_offset, &p[2]);
ImGui::TreePop();
}
}
static void
decode_3dprimitive(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
if (ctx->display_urb) {
if (ImGui::Button("Show URB"))
ctx->display_urb(ctx->user_data, ctx->urb_stages);
}
}
static void
handle_urb(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_field_iterator_next(&iter)) {
if (strstr(iter.name, "URB Starting Address")) {
ctx->urb_stages[ctx->stage].start = iter.raw_value * 8192;
} else if (strstr(iter.name, "URB Entry Allocation Size")) {
ctx->urb_stages[ctx->stage].size = (iter.raw_value + 1) * 64;
} else if (strstr(iter.name, "Number of URB Entries")) {
ctx->urb_stages[ctx->stage].n_entries = iter.raw_value;
}
}
ctx->end_urb_offset = MAX2(ctx->urb_stages[ctx->stage].start +
ctx->urb_stages[ctx->stage].n_entries *
ctx->urb_stages[ctx->stage].size,
ctx->end_urb_offset);
}
static void
handle_urb_read(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_field_iterator_next(&iter)) {
/* Workaround the "Force * URB Entry Read Length" fields */
if (iter.end_bit - iter.start_bit < 2)
continue;
if (strstr(iter.name, "URB Entry Read Offset")) {
ctx->urb_stages[ctx->stage].rd_offset = iter.raw_value * 32;
} else if (strstr(iter.name, "URB Entry Read Length")) {
ctx->urb_stages[ctx->stage].rd_length = iter.raw_value * 32;
} else if (strstr(iter.name, "URB Entry Output Read Offset")) {
ctx->urb_stages[ctx->stage].wr_offset = iter.raw_value * 32;
} else if (strstr(iter.name, "URB Entry Output Length")) {
ctx->urb_stages[ctx->stage].wr_length = iter.raw_value * 32;
}
}
}
static void
handle_urb_constant(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p)
{
struct gen_group *body =
gen_spec_find_struct(ctx->spec, "3DSTATE_CONSTANT_BODY");
struct gen_field_iterator outer;
gen_field_iterator_init(&outer, inst, p, 0, false);
while (gen_field_iterator_next(&outer)) {
if (outer.struct_desc != body)
continue;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, body, &outer.p[outer.start_bit / 32],
0, false);
ctx->urb_stages[ctx->stage].const_rd_length = 0;
while (gen_field_iterator_next(&iter)) {
int idx;
if (sscanf(iter.name, "Read Length[%d]", &idx) == 1) {
ctx->urb_stages[ctx->stage].const_rd_length += iter.raw_value * 32;
}
}
}
}
struct custom_decoder {
const char *cmd_name;
void (*decode)(struct aub_viewer_decode_ctx *ctx,
struct gen_group *inst,
const uint32_t *p);
enum aub_decode_stage stage;
} display_decoders[] = {
{ "STATE_BASE_ADDRESS", handle_state_base_address },
{ "MEDIA_INTERFACE_DESCRIPTOR_LOAD", handle_media_interface_descriptor_load },
{ "3DSTATE_VERTEX_BUFFERS", handle_3dstate_vertex_buffers },
{ "3DSTATE_INDEX_BUFFER", handle_3dstate_index_buffer },
{ "3DSTATE_VS", decode_single_ksp, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_GS", decode_single_ksp, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_DS", decode_single_ksp, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_HS", decode_single_ksp, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_PS", decode_ps_kernels, AUB_DECODE_STAGE_PS, },
{ "3DSTATE_CONSTANT_VS", decode_3dstate_constant, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_CONSTANT_GS", decode_3dstate_constant, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_CONSTANT_DS", decode_3dstate_constant, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_CONSTANT_HS", decode_3dstate_constant, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_CONSTANT_PS", decode_3dstate_constant, AUB_DECODE_STAGE_PS, },
{ "3DSTATE_BINDING_TABLE_POINTERS_VS", decode_3dstate_binding_table_pointers, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_BINDING_TABLE_POINTERS_GS", decode_3dstate_binding_table_pointers, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_BINDING_TABLE_POINTERS_HS", decode_3dstate_binding_table_pointers, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_BINDING_TABLE_POINTERS_DS", decode_3dstate_binding_table_pointers, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_BINDING_TABLE_POINTERS_PS", decode_3dstate_binding_table_pointers, AUB_DECODE_STAGE_PS, },
{ "3DSTATE_SAMPLER_STATE_POINTERS_VS", decode_3dstate_sampler_state_pointers, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_SAMPLER_STATE_POINTERS_GS", decode_3dstate_sampler_state_pointers, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_SAMPLER_STATE_POINTERS_DS", decode_3dstate_sampler_state_pointers, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_SAMPLER_STATE_POINTERS_HS", decode_3dstate_sampler_state_pointers, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_SAMPLER_STATE_POINTERS_PS", decode_3dstate_sampler_state_pointers, AUB_DECODE_STAGE_PS, },
{ "3DSTATE_SAMPLER_STATE_POINTERS", decode_3dstate_sampler_state_pointers_gen6 },
{ "3DSTATE_VIEWPORT_STATE_POINTERS_CC", decode_3dstate_viewport_state_pointers_cc },
{ "3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP", decode_3dstate_viewport_state_pointers_sf_clip },
{ "3DSTATE_BLEND_STATE_POINTERS", decode_3dstate_blend_state_pointers },
{ "3DSTATE_CC_STATE_POINTERS", decode_3dstate_cc_state_pointers },
{ "3DSTATE_SCISSOR_STATE_POINTERS", decode_3dstate_scissor_state_pointers },
{ "MI_LOAD_REGISTER_IMM", decode_load_register_imm },
{ "3DPRIMITIVE", decode_3dprimitive },
};
struct custom_decoder info_decoders[] = {
{ "STATE_BASE_ADDRESS", handle_state_base_address },
{ "3DSTATE_URB_VS", handle_urb, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_URB_GS", handle_urb, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_URB_DS", handle_urb, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_URB_HS", handle_urb, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_VS", handle_urb_read, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_GS", handle_urb_read, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_DS", handle_urb_read, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_HS", handle_urb_read, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_PS", handle_urb_read, AUB_DECODE_STAGE_PS, },
{ "3DSTATE_CONSTANT_VS", handle_urb_constant, AUB_DECODE_STAGE_VS, },
{ "3DSTATE_CONSTANT_GS", handle_urb_constant, AUB_DECODE_STAGE_GS, },
{ "3DSTATE_CONSTANT_DS", handle_urb_constant, AUB_DECODE_STAGE_DS, },
{ "3DSTATE_CONSTANT_HS", handle_urb_constant, AUB_DECODE_STAGE_HS, },
{ "3DSTATE_CONSTANT_PS", handle_urb_constant, AUB_DECODE_STAGE_PS, },
};
void
aub_viewer_render_batch(struct aub_viewer_decode_ctx *ctx,
const void *_batch, uint32_t batch_size,
uint64_t batch_addr)
{
struct gen_group *inst;
const uint32_t *p, *batch = (const uint32_t *) _batch, *end = batch + batch_size / sizeof(uint32_t);
int length;
for (p = batch; p < end; p += length) {
inst = gen_spec_find_instruction(ctx->spec, ctx->engine, p);
length = gen_group_get_length(inst, p);
assert(inst == NULL || length > 0);
length = MAX2(1, length);
uint64_t offset = batch_addr + ((char *)p - (char *)batch);
if (inst == NULL) {
ImGui::TextColored(ctx->cfg->error_color,
"0x%08" PRIx64 ": unknown instruction %08x",
offset, p[0]);
continue;
}
const char *inst_name = gen_group_get_name(inst);
for (unsigned i = 0; i < ARRAY_SIZE(info_decoders); i++) {
if (strcmp(inst_name, info_decoders[i].cmd_name) == 0) {
ctx->stage = info_decoders[i].stage;
info_decoders[i].decode(ctx, inst, p);
break;
}
}
if (ctx->decode_cfg->command_filter.PassFilter(inst->name) &&
ImGui::TreeNodeEx(p,
ImGuiTreeNodeFlags_Framed,
"0x%08" PRIx64 ": %s",
offset, inst->name)) {
aub_viewer_print_group(ctx, inst, offset, p);
for (unsigned i = 0; i < ARRAY_SIZE(display_decoders); i++) {
if (strcmp(inst_name, display_decoders[i].cmd_name) == 0) {
ctx->stage = display_decoders[i].stage;
display_decoders[i].decode(ctx, inst, p);
break;
}
}
if (ctx->edit_address) {
if (ImGui::Button("Edit instruction"))
ctx->edit_address(ctx->user_data, offset, length * 4);
}
ImGui::TreePop();
}
if (strcmp(inst_name, "MI_BATCH_BUFFER_START") == 0) {
struct gen_batch_decode_bo next_batch = {};
bool second_level;
struct gen_field_iterator iter;
gen_field_iterator_init(&iter, inst, p, 0, false);
while (gen_field_iterator_next(&iter)) {
if (strcmp(iter.name, "Batch Buffer Start Address") == 0) {
next_batch = ctx_get_bo(ctx, iter.raw_value);
} else if (strcmp(iter.name, "Second Level Batch Buffer") == 0) {
second_level = iter.raw_value;
}
}
if (next_batch.map == NULL) {
ImGui::TextColored(ctx->cfg->missing_color,
"Secondary batch at 0x%08" PRIx64 " unavailable",
next_batch.addr);
} else {
aub_viewer_render_batch(ctx, next_batch.map, next_batch.size,
next_batch.addr);
}
if (second_level) {
/* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" set acts
* like a subroutine call. Commands that come afterwards get
* processed once the 2nd level batch buffer returns with
* MI_BATCH_BUFFER_END.
*/
continue;
} else {
/* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" unset acts
* like a goto. Nothing after it will ever get processed. In
* order to prevent the recursion from growing, we just reset the
* loop and continue;
*/
break;
}
} else if (strcmp(inst_name, "MI_BATCH_BUFFER_END") == 0) {
break;
}
}
}