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intel/batch-decoder: Decode graphics shaders 

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Jason Ekstrand 2017-12-13 09:46:39 -08:00
parent d4081fb778
commit c86671c438
1 changed files with 95 additions and 0 deletions
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95
src/intel/tools/gen_batch_decoder.c
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@ -422,6 +422,96 @@ handle_3dstate_index_buffer(struct gen_batch_decode_ctx *ctx,
fprintf(ctx->fp, "\n");
}
static void
decode_single_ksp(struct gen_batch_decode_ctx *ctx, const uint32_t *p)
{
struct gen_group *inst = gen_spec_find_instruction(ctx->spec, 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);
do {
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;
}
} while (gen_field_iterator_next(&iter));
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 control shader" :
strcmp(inst->name, "3DSTATE_HS") == 0 ? "tessellation evaluation 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);
printf("\n");
}
}
static void
decode_ps_kernels(struct gen_batch_decode_ctx *ctx, const uint32_t *p)
{
struct gen_group *inst = gen_spec_find_instruction(ctx->spec, 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);
do {
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;
}
} while (gen_field_iterator_next(&iter));
/* 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");
fprintf(ctx->fp, "\n");
}
struct custom_decoder {
const char *cmd_name;
void (*decode)(struct gen_batch_decode_ctx *ctx, const uint32_t *p);
@ -430,6 +520,11 @@ struct custom_decoder {
{ "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 },
{ "3DSTATE_GS", decode_single_ksp },
{ "3DSTATE_DS", decode_single_ksp },
{ "3DSTATE_HS", decode_single_ksp },
{ "3DSTATE_PS", decode_ps_kernels },
};
static inline uint64_t