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fuchsia/third_party/mesa/main/./src/gallium/drivers/crocus/crocus_program.c
blob: 663296b2ef01f06523d1d532986bcf03c79cfbd9 [file]
/*
* 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 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.
*/
/**
* @file crocus_program.c
*
* This file contains the driver interface for compiling shaders.
*
* See crocus_program_cache.c for the in-memory program cache where the
* compiled shaders are stored.
*/
#include <stdio.h>
#include <errno.h>
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
#include "pipe/p_context.h"
#include "pipe/p_screen.h"
#include "util/u_atomic.h"
#include "util/u_upload_mgr.h"
#include "util/u_debug.h"
#include "util/u_prim.h"
#include "compiler/nir/nir.h"
#include "compiler/nir/nir_builder.h"
#include "compiler/nir/nir_serialize.h"
#include "intel/compiler/elk/elk_compiler.h"
#include "intel/compiler/elk/elk_nir.h"
#include "intel/compiler/elk/elk_prim.h"
#include "intel/compiler/elk/elk_reg.h"
#include "intel/compiler/intel_nir.h"
#include "crocus_context.h"
#include "nir/tgsi_to_nir.h"
#include "program/prog_instruction.h"
#define KEY_INIT_NO_ID() \
.base.tex.swizzles[0 ... ELK_MAX_SAMPLERS - 1] = 0x688
#define KEY_INIT() \
.base.program_string_id = ish->program_id, \
.base.limit_trig_input_range = screen->driconf.limit_trig_input_range, \
KEY_INIT_NO_ID()
static void
crocus_sanitize_tex_key(struct elk_sampler_prog_key_data *key)
{
key->gather_channel_quirk_mask = 0;
for (unsigned s = 0; s < ELK_MAX_SAMPLERS; s++) {
key->swizzles[s] = SWIZZLE_NOOP;
key->gfx6_gather_wa[s] = 0;
}
}
static uint32_t
crocus_get_texture_swizzle(const struct crocus_context *ice,
const struct crocus_sampler_view *t)
{
uint32_t swiz = 0;
for (int i = 0; i < 4; i++) {
swiz |= t->swizzle[i] << (i * 3);
}
return swiz;
}
static inline bool can_push_ubo(const struct intel_device_info *devinfo)
{
/* push works for everyone except SNB at the moment */
return devinfo->ver != 6;
}
static uint8_t
gfx6_gather_workaround(enum pipe_format pformat)
{
switch (pformat) {
case PIPE_FORMAT_R8_SINT: return ELK_WA_SIGN | ELK_WA_8BIT;
case PIPE_FORMAT_R8_UINT: return ELK_WA_8BIT;
case PIPE_FORMAT_R16_SINT: return ELK_WA_SIGN | ELK_WA_16BIT;
case PIPE_FORMAT_R16_UINT: return ELK_WA_16BIT;
default:
/* Note that even though PIPE_FORMAT_R32_SINT and
* PIPE_FORMAT_R32_UINThave format overrides in
* the surface state, there is no shader w/a required.
*/
return 0;
}
}
static const unsigned crocus_gfx6_swizzle_for_offset[4] = {
ELK_SWIZZLE4(0, 1, 2, 3),
ELK_SWIZZLE4(1, 2, 3, 3),
ELK_SWIZZLE4(2, 3, 3, 3),
ELK_SWIZZLE4(3, 3, 3, 3)
};
static void
gfx6_gs_xfb_setup(const struct pipe_stream_output_info *so_info,
struct elk_gs_prog_data *gs_prog_data)
{
/* Make sure that the VUE slots won't overflow the unsigned chars in
* prog_data->transform_feedback_bindings[].
*/
STATIC_ASSERT(ELK_VARYING_SLOT_COUNT <= 256);
/* Make sure that we don't need more binding table entries than we've
* set aside for use in transform feedback. (We shouldn't, since we
* set aside enough binding table entries to have one per component).
*/
assert(so_info->num_outputs <= ELK_MAX_SOL_BINDINGS);
gs_prog_data->num_transform_feedback_bindings = so_info->num_outputs;
for (unsigned i = 0; i < so_info->num_outputs; i++) {
gs_prog_data->transform_feedback_bindings[i] =
so_info->output[i].register_index;
gs_prog_data->transform_feedback_swizzles[i] =
crocus_gfx6_swizzle_for_offset[so_info->output[i].start_component];
}
}
static void
gfx6_ff_gs_xfb_setup(const struct pipe_stream_output_info *so_info,
struct elk_ff_gs_prog_key *key)
{
key->num_transform_feedback_bindings = so_info->num_outputs;
for (unsigned i = 0; i < so_info->num_outputs; i++) {
key->transform_feedback_bindings[i] =
so_info->output[i].register_index;
key->transform_feedback_swizzles[i] =
crocus_gfx6_swizzle_for_offset[so_info->output[i].start_component];
}
}
static void
crocus_populate_sampler_prog_key_data(struct crocus_context *ice,
const struct intel_device_info *devinfo,
gl_shader_stage stage,
struct crocus_uncompiled_shader *ish,
bool uses_texture_gather,
struct elk_sampler_prog_key_data *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
uint32_t mask = ish->nir->info.textures_used[0];
while (mask) {
const int s = u_bit_scan(&mask);
struct crocus_sampler_view *texture = ice->state.shaders[stage].textures[s];
key->swizzles[s] = SWIZZLE_NOOP;
if (!texture)
continue;
if (texture->base.target == PIPE_BUFFER)
continue;
if (devinfo->verx10 < 75) {
key->swizzles[s] = crocus_get_texture_swizzle(ice, texture);
}
screen->vtbl.fill_clamp_mask(ice->state.shaders[stage].samplers[s], s, key->gl_clamp_mask);
/* gather4 for RG32* is broken in multiple ways on Gen7. */
if (devinfo->ver == 7 && uses_texture_gather) {
switch (texture->base.format) {
case PIPE_FORMAT_R32G32_UINT:
case PIPE_FORMAT_R32G32_SINT: {
/* We have to override the format to R32G32_FLOAT_LD.
* This means that SCS_ALPHA and SCS_ONE will return 0x3f8
* (1.0) rather than integer 1. This needs shader hacks.
*
* On Ivybridge, we whack W (alpha) to ONE in our key's
* swizzle. On Haswell, we look at the original texture
* swizzle, and use XYZW with channels overridden to ONE,
* leaving normal texture swizzling to SCS.
*/
unsigned src_swizzle = key->swizzles[s];
for (int i = 0; i < 4; i++) {
unsigned src_comp = GET_SWZ(src_swizzle, i);
if (src_comp == SWIZZLE_ONE || src_comp == SWIZZLE_W) {
key->swizzles[i] &= ~(0x7 << (3 * i));
key->swizzles[i] |= SWIZZLE_ONE << (3 * i);
}
}
}
FALLTHROUGH;
case PIPE_FORMAT_R32G32_FLOAT:
/* The channel select for green doesn't work - we have to
* request blue. Haswell can use SCS for this, but Ivybridge
* needs a shader workaround.
*/
if (devinfo->verx10 < 75)
key->gather_channel_quirk_mask |= 1 << s;
break;
default:
break;
}
}
if (devinfo->ver == 6 && uses_texture_gather) {
key->gfx6_gather_wa[s] = gfx6_gather_workaround(texture->base.format);
}
}
}
static void
crocus_lower_swizzles(struct nir_shader *nir,
const struct elk_sampler_prog_key_data *key_tex)
{
struct nir_lower_tex_options tex_options = {
.lower_invalid_implicit_lod = true,
};
uint32_t mask = nir->info.textures_used[0];
while (mask) {
const int s = u_bit_scan(&mask);
if (key_tex->swizzles[s] == SWIZZLE_NOOP)
continue;
tex_options.swizzle_result |= (1 << s);
for (unsigned c = 0; c < 4; c++)
tex_options.swizzles[s][c] = GET_SWZ(key_tex->swizzles[s], c);
}
if (tex_options.swizzle_result)
nir_lower_tex(nir, &tex_options);
}
static unsigned
get_new_program_id(struct crocus_screen *screen)
{
return p_atomic_inc_return(&screen->program_id);
}
static nir_def *
get_aoa_deref_offset(nir_builder *b,
nir_deref_instr *deref,
unsigned elem_size)
{
unsigned array_size = elem_size;
nir_def *offset = nir_imm_int(b, 0);
while (deref->deref_type != nir_deref_type_var) {
assert(deref->deref_type == nir_deref_type_array);
/* This level's element size is the previous level's array size */
nir_def *index = deref->arr.index.ssa;
assert(deref->arr.index.ssa);
offset = nir_iadd(b, offset,
nir_imul_imm(b, index, array_size));
deref = nir_deref_instr_parent(deref);
assert(glsl_type_is_array(deref->type));
array_size *= glsl_get_length(deref->type);
}
/* Accessing an invalid surface index with the dataport can result in a
* hang. According to the spec "if the index used to select an individual
* element is negative or greater than or equal to the size of the array,
* the results of the operation are undefined but may not lead to
* termination" -- which is one of the possible outcomes of the hang.
* Clamp the index to prevent access outside of the array bounds.
*/
return nir_umin(b, offset, nir_imm_int(b, array_size - elem_size));
}
static bool
crocus_lower_storage_image_derefs_instr(nir_builder *b,
nir_intrinsic_instr *intrin,
UNUSED void *_)
{
switch (intrin->intrinsic) {
case nir_intrinsic_image_deref_load:
case nir_intrinsic_image_deref_store:
case nir_intrinsic_image_deref_atomic:
case nir_intrinsic_image_deref_atomic_swap:
case nir_intrinsic_image_deref_size:
case nir_intrinsic_image_deref_samples:
case nir_intrinsic_image_deref_load_raw_intel:
case nir_intrinsic_image_deref_store_raw_intel: {
nir_deref_instr *deref = nir_src_as_deref(intrin->src[0]);
nir_variable *var = nir_deref_instr_get_variable(deref);
b->cursor = nir_before_instr(&intrin->instr);
nir_def *index =
nir_iadd_imm(b, get_aoa_deref_offset(b, deref, 1),
var->data.driver_location);
nir_rewrite_image_intrinsic(intrin, index, false);
return true;
}
default:
return false;
}
}
static bool
crocus_lower_storage_image_derefs(nir_shader *nir)
{
return nir_shader_intrinsics_pass(nir, crocus_lower_storage_image_derefs_instr,
nir_metadata_control_flow,
NULL);
}
// XXX: need unify_interfaces() at link time...
/**
* Undo nir_lower_passthrough_edgeflags but keep the inputs_read flag.
*/
static bool
crocus_fix_edge_flags(nir_shader *nir)
{
if (nir->info.stage != MESA_SHADER_VERTEX) {
nir_shader_preserve_all_metadata(nir);
return false;
}
nir_variable *var = nir_find_variable_with_location(nir, nir_var_shader_out,
VARYING_SLOT_EDGE);
if (!var) {
nir_shader_preserve_all_metadata(nir);
return false;
}
var->data.mode = nir_var_shader_temp;
nir->info.outputs_written &= ~VARYING_BIT_EDGE;
nir->info.inputs_read &= ~VERT_BIT_EDGEFLAG;
nir_fixup_deref_modes(nir);
nir_foreach_function_impl(impl, nir) {
nir_progress(true, impl,
nir_metadata_control_flow | nir_metadata_live_defs | nir_metadata_loop_analysis);
}
return true;
}
/**
* Fix an uncompiled shader's stream output info.
*
* Core Gallium stores output->register_index as a "slot" number, where
* slots are assigned consecutively to all outputs in info->outputs_written.
* This naive packing of outputs doesn't work for us - we too have slots,
* but the layout is defined by the VUE map, which we won't have until we
* compile a specific shader variant. So, we remap these and simply store
* VARYING_SLOT_* in our copy's output->register_index fields.
*
* We also fix up VARYING_SLOT_{LAYER,VIEWPORT,PSIZ} to select the Y/Z/W
* components of our VUE header. See elk_vue_map.c for the layout.
*/
static void
update_so_info(struct pipe_stream_output_info *so_info,
uint64_t outputs_written)
{
uint8_t reverse_map[64] = {};
unsigned slot = 0;
while (outputs_written) {
reverse_map[slot++] = u_bit_scan64(&outputs_written);
}
for (unsigned i = 0; i < so_info->num_outputs; i++) {
struct pipe_stream_output *output = &so_info->output[i];
/* Map Gallium's condensed "slots" back to real VARYING_SLOT_* enums */
output->register_index = reverse_map[output->register_index];
/* The VUE header contains three scalar fields packed together:
* - gl_PointSize is stored in VARYING_SLOT_PSIZ.w
* - gl_Layer is stored in VARYING_SLOT_PSIZ.y
* - gl_ViewportIndex is stored in VARYING_SLOT_PSIZ.z
*/
switch (output->register_index) {
case VARYING_SLOT_LAYER:
assert(output->num_components == 1);
output->register_index = VARYING_SLOT_PSIZ;
output->start_component = 1;
break;
case VARYING_SLOT_VIEWPORT:
assert(output->num_components == 1);
output->register_index = VARYING_SLOT_PSIZ;
output->start_component = 2;
break;
case VARYING_SLOT_PSIZ:
assert(output->num_components == 1);
output->start_component = 3;
break;
}
//info->outputs_written |= 1ull << output->register_index;
}
}
static void
setup_vec4_image_sysval(uint32_t *sysvals, uint32_t idx,
unsigned offset, unsigned n)
{
assert(offset % sizeof(uint32_t) == 0);
for (unsigned i = 0; i < n; ++i)
sysvals[i] = ELK_PARAM_IMAGE(idx, offset / sizeof(uint32_t) + i);
for (unsigned i = n; i < 4; ++i)
sysvals[i] = ELK_PARAM_BUILTIN_ZERO;
}
/**
* Associate NIR uniform variables with the prog_data->param[] mechanism
* used by the backend. Also, decide which UBOs we'd like to push in an
* ideal situation (though the backend can reduce this).
*/
static void
crocus_setup_uniforms(ASSERTED const struct intel_device_info *devinfo,
void *mem_ctx,
nir_shader *nir,
struct elk_stage_prog_data *prog_data,
enum elk_param_builtin **out_system_values,
unsigned *out_num_system_values,
unsigned *out_num_cbufs)
{
const unsigned CROCUS_MAX_SYSTEM_VALUES =
PIPE_MAX_SHADER_IMAGES * ISL_IMAGE_PARAM_SIZE;
enum elk_param_builtin *system_values =
rzalloc_array(mem_ctx, enum elk_param_builtin, CROCUS_MAX_SYSTEM_VALUES);
unsigned num_system_values = 0;
unsigned patch_vert_idx = -1;
unsigned tess_outer_default_idx = -1;
unsigned tess_inner_default_idx = -1;
unsigned ucp_idx[CROCUS_MAX_CLIP_PLANES];
unsigned img_idx[PIPE_MAX_SHADER_IMAGES];
unsigned variable_group_size_idx = -1;
memset(ucp_idx, -1, sizeof(ucp_idx));
memset(img_idx, -1, sizeof(img_idx));
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
nir_builder b = nir_builder_at(nir_before_impl(impl));
nir_def *temp_ubo_name = nir_undef(&b, 1, 32);
nir_def *temp_const_ubo_name = NULL;
/* Turn system value intrinsics into uniforms */
nir_foreach_block(block, impl) {
nir_foreach_instr_safe(instr, block) {
if (instr->type != nir_instr_type_intrinsic)
continue;
nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
nir_def *offset;
switch (intrin->intrinsic) {
case nir_intrinsic_load_base_workgroup_id: {
/* GL doesn't have a concept of base workgroup */
b.cursor = nir_instr_remove(&intrin->instr);
nir_def_rewrite_uses(&intrin->def,
nir_imm_zero(&b, 3, 32));
continue;
}
case nir_intrinsic_load_constant: {
/* This one is special because it reads from the shader constant
* data and not cbuf0 which gallium uploads for us.
*/
b.cursor = nir_before_instr(instr);
nir_def *offset =
nir_iadd_imm(&b, intrin->src[0].ssa,
nir_intrinsic_base(intrin));
if (temp_const_ubo_name == NULL)
temp_const_ubo_name = nir_imm_int(&b, 0);
nir_intrinsic_instr *load_ubo =
nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_ubo);
load_ubo->num_components = intrin->num_components;
load_ubo->src[0] = nir_src_for_ssa(temp_const_ubo_name);
load_ubo->src[1] = nir_src_for_ssa(offset);
nir_intrinsic_set_align(load_ubo, 4, 0);
nir_intrinsic_set_range_base(load_ubo, 0);
nir_intrinsic_set_range(load_ubo, ~0);
nir_def_init(&load_ubo->instr, &load_ubo->def,
intrin->def.num_components,
intrin->def.bit_size);
nir_builder_instr_insert(&b, &load_ubo->instr);
nir_def_replace(&intrin->def, &load_ubo->def);
continue;
}
case nir_intrinsic_load_user_clip_plane: {
unsigned ucp = nir_intrinsic_ucp_id(intrin);
if (ucp_idx[ucp] == -1) {
ucp_idx[ucp] = num_system_values;
num_system_values += 4;
}
for (int i = 0; i < 4; i++) {
system_values[ucp_idx[ucp] + i] =
ELK_PARAM_BUILTIN_CLIP_PLANE(ucp, i);
}
b.cursor = nir_before_instr(instr);
offset = nir_imm_int(&b, ucp_idx[ucp] * sizeof(uint32_t));
break;
}
case nir_intrinsic_load_patch_vertices_in:
if (patch_vert_idx == -1)
patch_vert_idx = num_system_values++;
system_values[patch_vert_idx] =
ELK_PARAM_BUILTIN_PATCH_VERTICES_IN;
b.cursor = nir_before_instr(instr);
offset = nir_imm_int(&b, patch_vert_idx * sizeof(uint32_t));
break;
case nir_intrinsic_load_tess_level_outer_default:
if (tess_outer_default_idx == -1) {
tess_outer_default_idx = num_system_values;
num_system_values += 4;
}
for (int i = 0; i < 4; i++) {
system_values[tess_outer_default_idx + i] =
ELK_PARAM_BUILTIN_TESS_LEVEL_OUTER_X + i;
}
b.cursor = nir_before_instr(instr);
offset =
nir_imm_int(&b, tess_outer_default_idx * sizeof(uint32_t));
break;
case nir_intrinsic_load_tess_level_inner_default:
if (tess_inner_default_idx == -1) {
tess_inner_default_idx = num_system_values;
num_system_values += 2;
}
for (int i = 0; i < 2; i++) {
system_values[tess_inner_default_idx + i] =
ELK_PARAM_BUILTIN_TESS_LEVEL_INNER_X + i;
}
b.cursor = nir_before_instr(instr);
offset =
nir_imm_int(&b, tess_inner_default_idx * sizeof(uint32_t));
break;
case nir_intrinsic_image_deref_load_param_intel: {
assert(devinfo->ver < 9);
nir_deref_instr *deref = nir_src_as_deref(intrin->src[0]);
nir_variable *var = nir_deref_instr_get_variable(deref);
if (img_idx[var->data.binding] == -1) {
/* GL only allows arrays of arrays of images. */
assert(glsl_type_is_image(glsl_without_array(var->type)));
unsigned num_images = MAX2(1, glsl_get_aoa_size(var->type));
for (int i = 0; i < num_images; i++) {
const unsigned img = var->data.binding + i;
img_idx[img] = num_system_values;
num_system_values += ISL_IMAGE_PARAM_SIZE;
uint32_t *img_sv = &system_values[img_idx[img]];
setup_vec4_image_sysval(
img_sv + ISL_IMAGE_PARAM_OFFSET_OFFSET, img,
offsetof(struct isl_image_param, offset), 2);
setup_vec4_image_sysval(
img_sv + ISL_IMAGE_PARAM_SIZE_OFFSET, img,
offsetof(struct isl_image_param, size), 3);
setup_vec4_image_sysval(
img_sv + ISL_IMAGE_PARAM_STRIDE_OFFSET, img,
offsetof(struct isl_image_param, stride), 4);
setup_vec4_image_sysval(
img_sv + ISL_IMAGE_PARAM_TILING_OFFSET, img,
offsetof(struct isl_image_param, tiling), 3);
setup_vec4_image_sysval(
img_sv + ISL_IMAGE_PARAM_SWIZZLING_OFFSET, img,
offsetof(struct isl_image_param, swizzling), 2);
}
}
b.cursor = nir_before_instr(instr);
offset = nir_iadd_imm(&b,
get_aoa_deref_offset(&b, deref, ISL_IMAGE_PARAM_SIZE * 4),
img_idx[var->data.binding] * 4 +
nir_intrinsic_base(intrin) * 16);
break;
}
case nir_intrinsic_load_workgroup_size: {
assert(nir->info.workgroup_size_variable);
if (variable_group_size_idx == -1) {
variable_group_size_idx = num_system_values;
num_system_values += 3;
for (int i = 0; i < 3; i++) {
system_values[variable_group_size_idx + i] =
ELK_PARAM_BUILTIN_WORK_GROUP_SIZE_X + i;
}
}
b.cursor = nir_before_instr(instr);
offset = nir_imm_int(&b,
variable_group_size_idx * sizeof(uint32_t));
break;
}
default:
continue;
}
unsigned comps = nir_intrinsic_dest_components(intrin);
nir_intrinsic_instr *load =
nir_intrinsic_instr_create(nir, nir_intrinsic_load_ubo);
load->num_components = comps;
load->src[0] = nir_src_for_ssa(temp_ubo_name);
load->src[1] = nir_src_for_ssa(offset);
nir_intrinsic_set_align(load, 4, 0);
nir_intrinsic_set_range_base(load, 0);
nir_intrinsic_set_range(load, ~0);
nir_def_init(&load->instr, &load->def, comps, 32);
nir_builder_instr_insert(&b, &load->instr);
nir_def_rewrite_uses(&intrin->def,
&load->def);
nir_instr_remove(instr);
}
}
nir_validate_shader(nir, "before remapping");
/* Uniforms are stored in constant buffer 0, the
* user-facing UBOs are indexed by one. So if any constant buffer is
* needed, the constant buffer 0 will be needed, so account for it.
*/
unsigned num_cbufs = nir->info.num_ubos;
if (num_cbufs || nir->num_uniforms)
num_cbufs++;
/* Place the new params in a new cbuf. */
if (num_system_values > 0) {
unsigned sysval_cbuf_index = num_cbufs;
num_cbufs++;
system_values = reralloc(mem_ctx, system_values, enum elk_param_builtin,
num_system_values);
nir_foreach_block(block, impl) {
nir_foreach_instr_safe(instr, block) {
if (instr->type != nir_instr_type_intrinsic)
continue;
nir_intrinsic_instr *load = nir_instr_as_intrinsic(instr);
if (load->intrinsic != nir_intrinsic_load_ubo)
continue;
b.cursor = nir_before_instr(instr);
if (load->src[0].ssa == temp_ubo_name) {
nir_def *imm = nir_imm_int(&b, sysval_cbuf_index);
nir_src_rewrite(&load->src[0], imm);
}
}
}
/* We need to fold the new iadds for elk_nir_analyze_ubo_ranges */
nir_opt_constant_folding(nir);
} else {
ralloc_free(system_values);
system_values = NULL;
}
assert(num_cbufs < PIPE_MAX_CONSTANT_BUFFERS);
nir_validate_shader(nir, "after remap");
/* We don't use params[] but gallium leaves num_uniforms set. We use this
* to detect when cbuf0 exists but we don't need it anymore when we get
* here. Instead, zero it out so that the back-end doesn't get confused
* when nr_params * 4 != num_uniforms != nr_params * 4.
*/
nir->num_uniforms = 0;
/* Constant loads (if any) need to go at the end of the constant buffers so
* we need to know num_cbufs before we can lower to them.
*/
if (temp_const_ubo_name != NULL) {
nir_load_const_instr *const_ubo_index =
nir_instr_as_load_const(temp_const_ubo_name->parent_instr);
assert(const_ubo_index->def.bit_size == 32);
const_ubo_index->value[0].u32 = num_cbufs;
}
*out_system_values = system_values;
*out_num_system_values = num_system_values;
*out_num_cbufs = num_cbufs;
}
static const char *surface_group_names[] = {
[CROCUS_SURFACE_GROUP_RENDER_TARGET] = "render target",
[CROCUS_SURFACE_GROUP_RENDER_TARGET_READ] = "non-coherent render target read",
[CROCUS_SURFACE_GROUP_SOL] = "streamout",
[CROCUS_SURFACE_GROUP_CS_WORK_GROUPS] = "CS work groups",
[CROCUS_SURFACE_GROUP_TEXTURE] = "texture",
[CROCUS_SURFACE_GROUP_TEXTURE_GATHER] = "texture gather",
[CROCUS_SURFACE_GROUP_UBO] = "ubo",
[CROCUS_SURFACE_GROUP_SSBO] = "ssbo",
[CROCUS_SURFACE_GROUP_IMAGE] = "image",
};
static void
crocus_print_binding_table(FILE *fp, const char *name,
const struct crocus_binding_table *bt)
{
STATIC_ASSERT(ARRAY_SIZE(surface_group_names) == CROCUS_SURFACE_GROUP_COUNT);
uint32_t total = 0;
uint32_t compacted = 0;
for (int i = 0; i < CROCUS_SURFACE_GROUP_COUNT; i++) {
uint32_t size = bt->sizes[i];
total += size;
if (size)
compacted += util_bitcount64(bt->used_mask[i]);
}
if (total == 0) {
fprintf(fp, "Binding table for %s is empty\n\n", name);
return;
}
if (total != compacted) {
fprintf(fp, "Binding table for %s "
"(compacted to %u entries from %u entries)\n",
name, compacted, total);
} else {
fprintf(fp, "Binding table for %s (%u entries)\n", name, total);
}
uint32_t entry = 0;
for (int i = 0; i < CROCUS_SURFACE_GROUP_COUNT; i++) {
uint64_t mask = bt->used_mask[i];
while (mask) {
int index = u_bit_scan64(&mask);
fprintf(fp, " [%u] %s #%d\n", entry++, surface_group_names[i], index);
}
}
fprintf(fp, "\n");
}
enum {
/* Max elements in a surface group. */
SURFACE_GROUP_MAX_ELEMENTS = 64,
};
static void
rewrite_src_with_bti(nir_builder *b, struct crocus_binding_table *bt,
nir_instr *instr, nir_src *src,
enum crocus_surface_group group)
{
assert(bt->sizes[group] > 0);
b->cursor = nir_before_instr(instr);
nir_def *bti;
if (nir_src_is_const(*src)) {
uint32_t index = nir_src_as_uint(*src);
bti = nir_imm_intN_t(b, crocus_group_index_to_bti(bt, group, index),
src->ssa->bit_size);
} else {
/* Indirect usage makes all the surfaces of the group to be available,
* so we can just add the base.
*/
assert(bt->used_mask[group] == BITFIELD64_MASK(bt->sizes[group]));
bti = nir_iadd_imm(b, src->ssa, bt->offsets[group]);
}
nir_src_rewrite(src, bti);
}
static void
mark_used_with_src(struct crocus_binding_table *bt, nir_src *src,
enum crocus_surface_group group)
{
assert(bt->sizes[group] > 0);
if (nir_src_is_const(*src)) {
uint64_t index = nir_src_as_uint(*src);
assert(index < bt->sizes[group]);
bt->used_mask[group] |= 1ull << index;
} else {
/* There's an indirect usage, we need all the surfaces. */
bt->used_mask[group] = BITFIELD64_MASK(bt->sizes[group]);
}
}
static bool
skip_compacting_binding_tables(void)
{
static int skip = -1;
if (skip < 0)
skip = debug_get_bool_option("INTEL_DISABLE_COMPACT_BINDING_TABLE", false);
return skip;
}
/**
* Set up the binding table indices and apply to the shader.
*/
static void
crocus_setup_binding_table(const struct intel_device_info *devinfo,
struct nir_shader *nir,
struct crocus_binding_table *bt,
unsigned num_render_targets,
unsigned num_system_values,
unsigned num_cbufs,
const struct elk_sampler_prog_key_data *key)
{
const struct shader_info *info = &nir->info;
memset(bt, 0, sizeof(*bt));
/* Set the sizes for each surface group. For some groups, we already know
* upfront how many will be used, so mark them.
*/
if (info->stage == MESA_SHADER_FRAGMENT) {
bt->sizes[CROCUS_SURFACE_GROUP_RENDER_TARGET] = num_render_targets;
/* All render targets used. */
bt->used_mask[CROCUS_SURFACE_GROUP_RENDER_TARGET] =
BITFIELD64_MASK(num_render_targets);
/* Setup render target read surface group in order to support non-coherent
* framebuffer fetch on Gfx7
*/
if (devinfo->ver >= 6 && info->outputs_read) {
bt->sizes[CROCUS_SURFACE_GROUP_RENDER_TARGET_READ] = num_render_targets;
bt->used_mask[CROCUS_SURFACE_GROUP_RENDER_TARGET_READ] =
BITFIELD64_MASK(num_render_targets);
}
} else if (info->stage == MESA_SHADER_COMPUTE) {
bt->sizes[CROCUS_SURFACE_GROUP_CS_WORK_GROUPS] = 1;
} else if (info->stage == MESA_SHADER_GEOMETRY) {
/* In gfx6 we reserve the first ELK_MAX_SOL_BINDINGS entries for transform
* feedback surfaces.
*/
if (devinfo->ver == 6) {
bt->sizes[CROCUS_SURFACE_GROUP_SOL] = ELK_MAX_SOL_BINDINGS;
bt->used_mask[CROCUS_SURFACE_GROUP_SOL] = (uint64_t)-1;
}
}
bt->sizes[CROCUS_SURFACE_GROUP_TEXTURE] = BITSET_LAST_BIT(info->textures_used);
bt->used_mask[CROCUS_SURFACE_GROUP_TEXTURE] = info->textures_used[0];
if (info->uses_texture_gather && devinfo->ver < 8) {
bt->sizes[CROCUS_SURFACE_GROUP_TEXTURE_GATHER] = BITSET_LAST_BIT(info->textures_used);
bt->used_mask[CROCUS_SURFACE_GROUP_TEXTURE_GATHER] = info->textures_used[0];
}
bt->sizes[CROCUS_SURFACE_GROUP_IMAGE] = info->num_images;
/* Allocate an extra slot in the UBO section for NIR constants.
* Binding table compaction will remove it if unnecessary.
*
* We don't include them in crocus_compiled_shader::num_cbufs because
* they are uploaded separately from shs->constbufs[], but from a shader
* point of view, they're another UBO (at the end of the section).
*/
bt->sizes[CROCUS_SURFACE_GROUP_UBO] = num_cbufs + 1;
bt->sizes[CROCUS_SURFACE_GROUP_SSBO] = info->num_ssbos;
for (int i = 0; i < CROCUS_SURFACE_GROUP_COUNT; i++)
assert(bt->sizes[i] <= SURFACE_GROUP_MAX_ELEMENTS);
/* Mark surfaces used for the cases we don't have the information available
* upfront.
*/
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
nir_foreach_block (block, impl) {
nir_foreach_instr (instr, block) {
if (instr->type != nir_instr_type_intrinsic)
continue;
nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
switch (intrin->intrinsic) {
case nir_intrinsic_load_num_workgroups:
bt->used_mask[CROCUS_SURFACE_GROUP_CS_WORK_GROUPS] = 1;
break;
case nir_intrinsic_load_output:
if (devinfo->ver >= 6) {
mark_used_with_src(bt, &intrin->src[0],
CROCUS_SURFACE_GROUP_RENDER_TARGET_READ);
}
break;
case nir_intrinsic_image_size:
case nir_intrinsic_image_load:
case nir_intrinsic_image_store:
case nir_intrinsic_image_atomic:
case nir_intrinsic_image_atomic_swap:
case nir_intrinsic_image_load_raw_intel:
case nir_intrinsic_image_store_raw_intel:
mark_used_with_src(bt, &intrin->src[0], CROCUS_SURFACE_GROUP_IMAGE);
break;
case nir_intrinsic_load_ubo:
mark_used_with_src(bt, &intrin->src[0], CROCUS_SURFACE_GROUP_UBO);
break;
case nir_intrinsic_store_ssbo:
mark_used_with_src(bt, &intrin->src[1], CROCUS_SURFACE_GROUP_SSBO);
break;
case nir_intrinsic_get_ssbo_size:
case nir_intrinsic_ssbo_atomic:
case nir_intrinsic_ssbo_atomic_swap:
case nir_intrinsic_load_ssbo:
mark_used_with_src(bt, &intrin->src[0], CROCUS_SURFACE_GROUP_SSBO);
break;
default:
break;
}
}
}
/* When disable we just mark everything as used. */
if (unlikely(skip_compacting_binding_tables())) {
for (int i = 0; i < CROCUS_SURFACE_GROUP_COUNT; i++)
bt->used_mask[i] = BITFIELD64_MASK(bt->sizes[i]);
}
/* Calculate the offsets and the binding table size based on the used
* surfaces. After this point, the functions to go between "group indices"
* and binding table indices can be used.
*/
uint32_t next = 0;
for (int i = 0; i < CROCUS_SURFACE_GROUP_COUNT; i++) {
if (bt->used_mask[i] != 0) {
bt->offsets[i] = next;
next += util_bitcount64(bt->used_mask[i]);
}
}
bt->size_bytes = next * 4;
if (INTEL_DEBUG(DEBUG_BT)) {
crocus_print_binding_table(stderr, gl_shader_stage_name(info->stage), bt);
}
/* Apply the binding table indices. The backend compiler is not expected
* to change those, as we haven't set any of the *_start entries in elk
* binding_table.
*/
nir_builder b = nir_builder_create(impl);
nir_foreach_block (block, impl) {
nir_foreach_instr (instr, block) {
if (instr->type == nir_instr_type_tex) {
nir_tex_instr *tex = nir_instr_as_tex(instr);
bool is_gather = devinfo->ver < 8 && tex->op == nir_texop_tg4;
/* rewrite the tg4 component from green to blue before replacing the
texture index */
if (devinfo->verx10 == 70) {
if (tex->component == 1)
if (key->gather_channel_quirk_mask & (1 << tex->texture_index))
tex->component = 2;
}
if (is_gather && devinfo->ver == 6 && key->gfx6_gather_wa[tex->texture_index]) {
b.cursor = nir_after_instr(instr);
enum elk_gfx6_gather_sampler_wa wa = key->gfx6_gather_wa[tex->texture_index];
int width = (wa & ELK_WA_8BIT) ? 8 : 16;
nir_def *val = nir_fmul_imm(&b, &tex->def, (1 << width) - 1);
val = nir_f2u32(&b, val);
if (wa & ELK_WA_SIGN) {
val = nir_ishl_imm(&b, val, 32 - width);
val = nir_ishr_imm(&b, val, 32 - width);
}
nir_def_rewrite_uses_after(&tex->def, val, val->parent_instr);
}
tex->texture_index =
crocus_group_index_to_bti(bt, is_gather ? CROCUS_SURFACE_GROUP_TEXTURE_GATHER : CROCUS_SURFACE_GROUP_TEXTURE,
tex->texture_index);
continue;
}
if (instr->type != nir_instr_type_intrinsic)
continue;
nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
switch (intrin->intrinsic) {
case nir_intrinsic_image_size:
case nir_intrinsic_image_load:
case nir_intrinsic_image_store:
case nir_intrinsic_image_atomic:
case nir_intrinsic_image_atomic_swap:
case nir_intrinsic_image_load_raw_intel:
case nir_intrinsic_image_store_raw_intel:
rewrite_src_with_bti(&b, bt, instr, &intrin->src[0],
CROCUS_SURFACE_GROUP_IMAGE);
break;
case nir_intrinsic_load_ubo:
rewrite_src_with_bti(&b, bt, instr, &intrin->src[0],
CROCUS_SURFACE_GROUP_UBO);
break;
case nir_intrinsic_store_ssbo:
rewrite_src_with_bti(&b, bt, instr, &intrin->src[1],
CROCUS_SURFACE_GROUP_SSBO);
break;
case nir_intrinsic_load_output:
if (devinfo->ver >= 6) {
rewrite_src_with_bti(&b, bt, instr, &intrin->src[0],
CROCUS_SURFACE_GROUP_RENDER_TARGET_READ);
}
break;
case nir_intrinsic_get_ssbo_size:
case nir_intrinsic_ssbo_atomic:
case nir_intrinsic_ssbo_atomic_swap:
case nir_intrinsic_load_ssbo:
rewrite_src_with_bti(&b, bt, instr, &intrin->src[0],
CROCUS_SURFACE_GROUP_SSBO);
break;
default:
break;
}
}
}
}
static void
crocus_debug_recompile(struct crocus_context *ice,
struct shader_info *info,
const struct elk_base_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *) ice->ctx.screen;
const struct elk_compiler *c = screen->compiler;
if (!info)
return;
elk_shader_perf_log(c, &ice->dbg, "Recompiling %s shader for program %s: %s\n",
_mesa_shader_stage_to_string(info->stage),
info->name ? info->name : "(no identifier)",
info->label ? info->label : "");
const void *old_key =
crocus_find_previous_compile(ice, info->stage, key->program_string_id);
elk_debug_key_recompile(c, &ice->dbg, info->stage, old_key, key);
}
/**
* Get the shader for the last enabled geometry stage.
*
* This stage is the one which will feed stream output and the rasterizer.
*/
static gl_shader_stage
last_vue_stage(struct crocus_context *ice)
{
if (ice->shaders.uncompiled[MESA_SHADER_GEOMETRY])
return MESA_SHADER_GEOMETRY;
if (ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL])
return MESA_SHADER_TESS_EVAL;
return MESA_SHADER_VERTEX;
}
static GLbitfield64
crocus_vs_outputs_written(struct crocus_context *ice,
const struct elk_vs_prog_key *key,
GLbitfield64 user_varyings)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
GLbitfield64 outputs_written = user_varyings;
if (devinfo->ver < 6) {
if (key->copy_edgeflag)
outputs_written |= VARYING_BIT_EDGE;
/* Put dummy slots into the VUE for the SF to put the replaced
* point sprite coords in. We shouldn't need these dummy slots,
* which take up precious URB space, but it would mean that the SF
* doesn't get nice aligned pairs of input coords into output
* coords, which would be a pain to handle.
*/
for (unsigned i = 0; i < 8; i++) {
if (key->point_coord_replace & (1 << i))
outputs_written |= BITFIELD64_BIT(VARYING_SLOT_TEX0 + i);
}
/* if back colors are written, allocate slots for front colors too */
if (outputs_written & VARYING_BIT_BFC0)
outputs_written |= VARYING_BIT_COL0;
if (outputs_written & VARYING_BIT_BFC1)
outputs_written |= VARYING_BIT_COL1;
}
/* In order for legacy clipping to work, we need to populate the clip
* distance varying slots whenever clipping is enabled, even if the vertex
* shader doesn't write to gl_ClipDistance.
*/
if (key->nr_userclip_plane_consts > 0) {
outputs_written |= VARYING_BIT_CLIP_DIST0;
outputs_written |= VARYING_BIT_CLIP_DIST1;
}
return outputs_written;
}
/*
* If no edgeflags come from the user, gen4/5
* require giving the clip shader a default edgeflag.
*
* This will always be 1.0.
*/
static void
crocus_lower_default_edgeflags(struct nir_shader *nir)
{
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
nir_builder b = nir_builder_at(nir_after_impl(impl));
nir_variable *var = nir_variable_create(nir, nir_var_shader_out,
glsl_float_type(),
"edgeflag");
var->data.location = VARYING_SLOT_EDGE;
nir_store_var(&b, var, nir_imm_float(&b, 1.0), 0x1);
}
/**
* Compile a vertex shader, and upload the assembly.
*/
static struct crocus_compiled_shader *
crocus_compile_vs(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
const struct elk_vs_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
const struct intel_device_info *devinfo = &screen->devinfo;
void *mem_ctx = ralloc_context(NULL);
struct elk_vs_prog_data *vs_prog_data =
rzalloc(mem_ctx, struct elk_vs_prog_data);
struct elk_vue_prog_data *vue_prog_data = &vs_prog_data->base;
struct elk_stage_prog_data *prog_data = &vue_prog_data->base;
enum elk_param_builtin *system_values;
unsigned num_system_values;
unsigned num_cbufs;
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
if (key->nr_userclip_plane_consts) {
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
/* Check if variables were found. */
if (nir_lower_clip_vs(nir, (1 << key->nr_userclip_plane_consts) - 1,
true, false, NULL)) {
nir_lower_io_vars_to_temporaries(nir, impl, true, false);
nir_lower_global_vars_to_local(nir);
nir_lower_vars_to_ssa(nir);
nir_shader_gather_info(nir, impl);
}
}
if (key->clamp_pointsize)
nir_lower_point_size(nir, 1.0, 255.0);
prog_data->use_alt_mode = nir->info.use_legacy_math_rules;
crocus_setup_uniforms(devinfo, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
crocus_lower_swizzles(nir, &key->base.tex);
if (devinfo->ver <= 5 &&
!(nir->info.inputs_read & BITFIELD64_BIT(VERT_ATTRIB_EDGEFLAG)))
crocus_lower_default_edgeflags(nir);
struct crocus_binding_table bt;
crocus_setup_binding_table(devinfo, nir, &bt, /* num_render_targets */ 0,
num_system_values, num_cbufs, &key->base.tex);
if (can_push_ubo(devinfo))
elk_nir_analyze_ubo_ranges(compiler, nir, prog_data->ubo_ranges);
uint64_t outputs_written =
crocus_vs_outputs_written(ice, key, nir->info.outputs_written);
elk_compute_vue_map(devinfo,
&vue_prog_data->vue_map, outputs_written,
nir->info.separate_shader ?
INTEL_VUE_LAYOUT_SEPARATE :
INTEL_VUE_LAYOUT_FIXED, /* pos slots */ 1);
/* Don't tell the backend about our clip plane constants, we've already
* lowered them in NIR and we don't want it doing it again.
*/
struct elk_vs_prog_key key_no_ucp = *key;
key_no_ucp.nr_userclip_plane_consts = 0;
key_no_ucp.copy_edgeflag = false;
crocus_sanitize_tex_key(&key_no_ucp.base.tex);
struct elk_compile_vs_params params = {
.base = {
.mem_ctx = mem_ctx,
.nir = nir,
.log_data = &ice->dbg,
},
.key = &key_no_ucp,
.prog_data = vs_prog_data,
.edgeflag_is_last = devinfo->ver < 6,
};
const unsigned *program =
elk_compile_vs(compiler, &params);
if (program == NULL) {
dbg_printf("Failed to compile vertex shader: %s\n", params.base.error_str);
ralloc_free(mem_ctx);
return false;
}
if (ish->compiled_once) {
crocus_debug_recompile(ice, &nir->info, &key->base);
} else {
ish->compiled_once = true;
}
uint32_t *so_decls = NULL;
if (devinfo->ver > 6)
so_decls = screen->vtbl.create_so_decl_list(&ish->stream_output,
&vue_prog_data->vue_map);
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_VS, sizeof(*key), key, program,
prog_data->program_size,
prog_data, sizeof(*vs_prog_data), so_decls,
system_values, num_system_values,
num_cbufs, &bt);
crocus_disk_cache_store(screen->disk_cache, ish, shader,
ice->shaders.cache_bo_map,
key, sizeof(*key));
ralloc_free(mem_ctx);
return shader;
}
/**
* Update the current vertex shader variant.
*
* Fill out the key, look in the cache, compile and bind if needed.
*/
static void
crocus_update_compiled_vs(struct crocus_context *ice)
{
struct crocus_shader_state *shs = &ice->state.shaders[MESA_SHADER_VERTEX];
struct crocus_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_VERTEX];
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct elk_vs_prog_key key = { KEY_INIT() };
if (ish->nos & (1ull << CROCUS_NOS_TEXTURES))
crocus_populate_sampler_prog_key_data(ice, devinfo, MESA_SHADER_VERTEX, ish,
ish->nir->info.uses_texture_gather, &key.base.tex);
screen->vtbl.populate_vs_key(ice, &ish->nir->info, last_vue_stage(ice), &key);
struct crocus_compiled_shader *old = ice->shaders.prog[CROCUS_CACHE_VS];
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_VS, sizeof(key), &key);
if (!shader)
shader = crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key));
if (!shader)
shader = crocus_compile_vs(ice, ish, &key);
if (old != shader) {
ice->shaders.prog[CROCUS_CACHE_VS] = shader;
if (devinfo->ver == 8)
ice->state.dirty |= CROCUS_DIRTY_GEN8_VF_SGVS;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_VS |
CROCUS_STAGE_DIRTY_BINDINGS_VS |
CROCUS_STAGE_DIRTY_CONSTANTS_VS;
shs->sysvals_need_upload = true;
const struct elk_vs_prog_data *vs_prog_data =
(void *) shader->prog_data;
const bool uses_draw_params = vs_prog_data->uses_firstvertex ||
vs_prog_data->uses_baseinstance;
const bool uses_derived_draw_params = vs_prog_data->uses_drawid ||
vs_prog_data->uses_is_indexed_draw;
const bool needs_sgvs_element = uses_draw_params ||
vs_prog_data->uses_instanceid ||
vs_prog_data->uses_vertexid;
if (ice->state.vs_uses_draw_params != uses_draw_params ||
ice->state.vs_uses_derived_draw_params != uses_derived_draw_params ||
ice->state.vs_needs_edge_flag != ish->needs_edge_flag ||
ice->state.vs_uses_vertexid != vs_prog_data->uses_vertexid ||
ice->state.vs_uses_instanceid != vs_prog_data->uses_instanceid) {
ice->state.dirty |= CROCUS_DIRTY_VERTEX_BUFFERS |
CROCUS_DIRTY_VERTEX_ELEMENTS;
}
ice->state.vs_uses_draw_params = uses_draw_params;
ice->state.vs_uses_derived_draw_params = uses_derived_draw_params;
ice->state.vs_needs_sgvs_element = needs_sgvs_element;
ice->state.vs_needs_edge_flag = ish->needs_edge_flag;
ice->state.vs_uses_vertexid = vs_prog_data->uses_vertexid;
ice->state.vs_uses_instanceid = vs_prog_data->uses_instanceid;
}
}
/**
* Get the shader_info for a given stage, or NULL if the stage is disabled.
*/
const struct shader_info *
crocus_get_shader_info(const struct crocus_context *ice, gl_shader_stage stage)
{
const struct crocus_uncompiled_shader *ish = ice->shaders.uncompiled[stage];
if (!ish)
return NULL;
const nir_shader *nir = ish->nir;
return &nir->info;
}
/**
* Get the union of TCS output and TES input slots.
*
* TCS and TES need to agree on a common URB entry layout. In particular,
* the data for all patch vertices is stored in a single URB entry (unlike
* GS which has one entry per input vertex). This means that per-vertex
* array indexing needs a stride.
*
* SSO requires locations to match, but doesn't require the number of
* outputs/inputs to match (in fact, the TCS often has extra outputs).
* So, we need to take the extra step of unifying these on the fly.
*/
static void
get_unified_tess_slots(const struct crocus_context *ice,
uint64_t *per_vertex_slots,
uint32_t *per_patch_slots)
{
const struct shader_info *tcs =
crocus_get_shader_info(ice, MESA_SHADER_TESS_CTRL);
const struct shader_info *tes =
crocus_get_shader_info(ice, MESA_SHADER_TESS_EVAL);
*per_vertex_slots = tes->inputs_read;
*per_patch_slots = tes->patch_inputs_read;
if (tcs) {
*per_vertex_slots |= tcs->outputs_written;
*per_patch_slots |= tcs->patch_outputs_written;
}
}
/**
* Compile a tessellation control shader, and upload the assembly.
*/
static struct crocus_compiled_shader *
crocus_compile_tcs(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
const struct elk_tcs_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
void *mem_ctx = ralloc_context(NULL);
struct elk_tcs_prog_data *tcs_prog_data =
rzalloc(mem_ctx, struct elk_tcs_prog_data);
struct elk_vue_prog_data *vue_prog_data = &tcs_prog_data->base;
struct elk_stage_prog_data *prog_data = &vue_prog_data->base;
const struct intel_device_info *devinfo = &screen->devinfo;
enum elk_param_builtin *system_values = NULL;
unsigned num_system_values = 0;
unsigned num_cbufs = 0;
nir_shader *nir;
struct crocus_binding_table bt;
if (ish) {
nir = nir_shader_clone(mem_ctx, ish->nir);
} else {
nir = elk_nir_create_passthrough_tcs(mem_ctx, compiler, key);
}
crocus_setup_uniforms(devinfo, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
crocus_lower_swizzles(nir, &key->base.tex);
crocus_setup_binding_table(devinfo, nir, &bt, /* num_render_targets */ 0,
num_system_values, num_cbufs, &key->base.tex);
if (can_push_ubo(devinfo))
elk_nir_analyze_ubo_ranges(compiler, nir, prog_data->ubo_ranges);
struct elk_tcs_prog_key key_clean = *key;
crocus_sanitize_tex_key(&key_clean.base.tex);
struct elk_compile_tcs_params params = {
.base = {
.mem_ctx = mem_ctx,
.nir = nir,
.log_data = &ice->dbg,
},
.key = &key_clean,
.prog_data = tcs_prog_data,
};
const unsigned *program = elk_compile_tcs(compiler, &params);
if (program == NULL) {
dbg_printf("Failed to compile control shader: %s\n", params.base.error_str);
ralloc_free(mem_ctx);
return false;
}
if (ish) {
if (ish->compiled_once) {
crocus_debug_recompile(ice, &nir->info, &key->base);
} else {
ish->compiled_once = true;
}
}
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_TCS, sizeof(*key), key, program,
prog_data->program_size,
prog_data, sizeof(*tcs_prog_data), NULL,
system_values, num_system_values,
num_cbufs, &bt);
if (ish)
crocus_disk_cache_store(screen->disk_cache, ish, shader,
ice->shaders.cache_bo_map,
key, sizeof(*key));
ralloc_free(mem_ctx);
return shader;
}
/**
* Update the current tessellation control shader variant.
*
* Fill out the key, look in the cache, compile and bind if needed.
*/
static void
crocus_update_compiled_tcs(struct crocus_context *ice)
{
struct crocus_shader_state *shs = &ice->state.shaders[MESA_SHADER_TESS_CTRL];
struct crocus_uncompiled_shader *tcs =
ice->shaders.uncompiled[MESA_SHADER_TESS_CTRL];
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
const struct shader_info *tes_info =
crocus_get_shader_info(ice, MESA_SHADER_TESS_EVAL);
struct elk_tcs_prog_key key = {
KEY_INIT_NO_ID(),
.base.program_string_id = tcs ? tcs->program_id : 0,
._tes_primitive_mode = tes_info->tess._primitive_mode,
.input_vertices = ice->state.vertices_per_patch,
.quads_workaround = tes_info->tess._primitive_mode == TESS_PRIMITIVE_QUADS &&
tes_info->tess.spacing == TESS_SPACING_EQUAL,
};
if (tcs && tcs->nos & (1ull << CROCUS_NOS_TEXTURES))
crocus_populate_sampler_prog_key_data(ice, devinfo, MESA_SHADER_TESS_CTRL, tcs,
tcs->nir->info.uses_texture_gather, &key.base.tex);
get_unified_tess_slots(ice, &key.outputs_written,
&key.patch_outputs_written);
screen->vtbl.populate_tcs_key(ice, &key);
struct crocus_compiled_shader *old = ice->shaders.prog[CROCUS_CACHE_TCS];
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_TCS, sizeof(key), &key);
if (tcs && !shader)
shader = crocus_disk_cache_retrieve(ice, tcs, &key, sizeof(key));
if (!shader)
shader = crocus_compile_tcs(ice, tcs, &key);
if (old != shader) {
ice->shaders.prog[CROCUS_CACHE_TCS] = shader;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_TCS |
CROCUS_STAGE_DIRTY_BINDINGS_TCS |
CROCUS_STAGE_DIRTY_CONSTANTS_TCS;
shs->sysvals_need_upload = true;
}
}
/**
* Compile a tessellation evaluation shader, and upload the assembly.
*/
static struct crocus_compiled_shader *
crocus_compile_tes(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
const struct elk_tes_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
void *mem_ctx = ralloc_context(NULL);
struct elk_tes_prog_data *tes_prog_data =
rzalloc(mem_ctx, struct elk_tes_prog_data);
struct elk_vue_prog_data *vue_prog_data = &tes_prog_data->base;
struct elk_stage_prog_data *prog_data = &vue_prog_data->base;
enum elk_param_builtin *system_values;
const struct intel_device_info *devinfo = &screen->devinfo;
unsigned num_system_values;
unsigned num_cbufs;
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
if (key->nr_userclip_plane_consts) {
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
nir_lower_clip_vs(nir, (1 << key->nr_userclip_plane_consts) - 1, true,
false, NULL);
nir_lower_io_vars_to_temporaries(nir, impl, true, false);
nir_lower_global_vars_to_local(nir);
nir_lower_vars_to_ssa(nir);
nir_shader_gather_info(nir, impl);
}
if (key->clamp_pointsize)
nir_lower_point_size(nir, 1.0, 255.0);
crocus_setup_uniforms(devinfo, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
crocus_lower_swizzles(nir, &key->base.tex);
struct crocus_binding_table bt;
crocus_setup_binding_table(devinfo, nir, &bt, /* num_render_targets */ 0,
num_system_values, num_cbufs, &key->base.tex);
if (can_push_ubo(devinfo))
elk_nir_analyze_ubo_ranges(compiler, nir, prog_data->ubo_ranges);
struct intel_vue_map input_vue_map;
elk_compute_tess_vue_map(&input_vue_map, key->inputs_read,
key->patch_inputs_read);
struct elk_tes_prog_key key_clean = *key;
crocus_sanitize_tex_key(&key_clean.base.tex);
struct elk_compile_tes_params params = {
.base = {
.mem_ctx = mem_ctx,
.nir = nir,
.log_data = &ice->dbg,
},
.key = &key_clean,
.prog_data = tes_prog_data,
.input_vue_map = &input_vue_map,
};
const unsigned *program = elk_compile_tes(compiler, &params);
if (program == NULL) {
dbg_printf("Failed to compile evaluation shader: %s\n", params.base.error_str);
ralloc_free(mem_ctx);
return false;
}
if (ish->compiled_once) {
crocus_debug_recompile(ice, &nir->info, &key->base);
} else {
ish->compiled_once = true;
}
uint32_t *so_decls = NULL;
if (devinfo->ver > 6)
so_decls = screen->vtbl.create_so_decl_list(&ish->stream_output,
&vue_prog_data->vue_map);
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_TES, sizeof(*key), key, program,
prog_data->program_size,
prog_data, sizeof(*tes_prog_data), so_decls,
system_values, num_system_values,
num_cbufs, &bt);
crocus_disk_cache_store(screen->disk_cache, ish, shader,
ice->shaders.cache_bo_map,
key, sizeof(*key));
ralloc_free(mem_ctx);
return shader;
}
/**
* Update the current tessellation evaluation shader variant.
*
* Fill out the key, look in the cache, compile and bind if needed.
*/
static void
crocus_update_compiled_tes(struct crocus_context *ice)
{
struct crocus_shader_state *shs = &ice->state.shaders[MESA_SHADER_TESS_EVAL];
struct crocus_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL];
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
struct elk_tes_prog_key key = { KEY_INIT() };
const struct intel_device_info *devinfo = &screen->devinfo;
if (ish->nos & (1ull << CROCUS_NOS_TEXTURES))
crocus_populate_sampler_prog_key_data(ice, devinfo, MESA_SHADER_TESS_EVAL, ish,
ish->nir->info.uses_texture_gather, &key.base.tex);
get_unified_tess_slots(ice, &key.inputs_read, &key.patch_inputs_read);
screen->vtbl.populate_tes_key(ice, &ish->nir->info, last_vue_stage(ice), &key);
struct crocus_compiled_shader *old = ice->shaders.prog[CROCUS_CACHE_TES];
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_TES, sizeof(key), &key);
if (!shader)
shader = crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key));
if (!shader)
shader = crocus_compile_tes(ice, ish, &key);
if (old != shader) {
ice->shaders.prog[CROCUS_CACHE_TES] = shader;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_TES |
CROCUS_STAGE_DIRTY_BINDINGS_TES |
CROCUS_STAGE_DIRTY_CONSTANTS_TES;
shs->sysvals_need_upload = true;
}
/* TODO: Could compare and avoid flagging this. */
const struct shader_info *tes_info = &ish->nir->info;
if (BITSET_TEST(tes_info->system_values_read, SYSTEM_VALUE_VERTICES_IN)) {
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_CONSTANTS_TES;
ice->state.shaders[MESA_SHADER_TESS_EVAL].sysvals_need_upload = true;
}
}
/**
* Compile a geometry shader, and upload the assembly.
*/
static struct crocus_compiled_shader *
crocus_compile_gs(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
const struct elk_gs_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
const struct intel_device_info *devinfo = &screen->devinfo;
void *mem_ctx = ralloc_context(NULL);
struct elk_gs_prog_data *gs_prog_data =
rzalloc(mem_ctx, struct elk_gs_prog_data);
struct elk_vue_prog_data *vue_prog_data = &gs_prog_data->base;
struct elk_stage_prog_data *prog_data = &vue_prog_data->base;
enum elk_param_builtin *system_values;
unsigned num_system_values;
unsigned num_cbufs;
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
if (key->nr_userclip_plane_consts) {
nir_function_impl *impl = nir_shader_get_entrypoint(nir);
nir_lower_clip_gs(nir, (1 << key->nr_userclip_plane_consts) - 1, false,
NULL);
nir_lower_io_vars_to_temporaries(nir, impl, true, false);
nir_lower_global_vars_to_local(nir);
nir_lower_vars_to_ssa(nir);
nir_shader_gather_info(nir, impl);
}
if (key->clamp_pointsize)
nir_lower_point_size(nir, 1.0, 255.0);
crocus_setup_uniforms(devinfo, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
crocus_lower_swizzles(nir, &key->base.tex);
struct crocus_binding_table bt;
crocus_setup_binding_table(devinfo, nir, &bt, /* num_render_targets */ 0,
num_system_values, num_cbufs, &key->base.tex);
if (can_push_ubo(devinfo))
elk_nir_analyze_ubo_ranges(compiler, nir, prog_data->ubo_ranges);
elk_compute_vue_map(devinfo,
&vue_prog_data->vue_map, nir->info.outputs_written,
nir->info.separate_shader ?
INTEL_VUE_LAYOUT_SEPARATE :
INTEL_VUE_LAYOUT_FIXED, /* pos slots */ 1);
if (devinfo->ver == 6)
gfx6_gs_xfb_setup(&ish->stream_output, gs_prog_data);
struct elk_gs_prog_key key_clean = *key;
crocus_sanitize_tex_key(&key_clean.base.tex);
struct elk_compile_gs_params params = {
.base = {
.mem_ctx = mem_ctx,
.nir = nir,
.log_data = &ice->dbg,
},
.key = &key_clean,
.prog_data = gs_prog_data,
};
const unsigned *program = elk_compile_gs(compiler, &params);
if (program == NULL) {
dbg_printf("Failed to compile geometry shader: %s\n", params.base.error_str);
ralloc_free(mem_ctx);
return false;
}
if (ish->compiled_once) {
crocus_debug_recompile(ice, &nir->info, &key->base);
} else {
ish->compiled_once = true;
}
uint32_t *so_decls = NULL;
if (devinfo->ver > 6)
so_decls = screen->vtbl.create_so_decl_list(&ish->stream_output,
&vue_prog_data->vue_map);
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_GS, sizeof(*key), key, program,
prog_data->program_size,
prog_data, sizeof(*gs_prog_data), so_decls,
system_values, num_system_values,
num_cbufs, &bt);
crocus_disk_cache_store(screen->disk_cache, ish, shader,
ice->shaders.cache_bo_map,
key, sizeof(*key));
ralloc_free(mem_ctx);
return shader;
}
/**
* Update the current geometry shader variant.
*
* Fill out the key, look in the cache, compile and bind if needed.
*/
static void
crocus_update_compiled_gs(struct crocus_context *ice)
{
struct crocus_shader_state *shs = &ice->state.shaders[MESA_SHADER_GEOMETRY];
struct crocus_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_GEOMETRY];
struct crocus_compiled_shader *old = ice->shaders.prog[CROCUS_CACHE_GS];
struct crocus_compiled_shader *shader = NULL;
if (ish) {
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct elk_gs_prog_key key = { KEY_INIT() };
if (ish->nos & (1ull << CROCUS_NOS_TEXTURES))
crocus_populate_sampler_prog_key_data(ice, devinfo, MESA_SHADER_GEOMETRY, ish,
ish->nir->info.uses_texture_gather, &key.base.tex);
screen->vtbl.populate_gs_key(ice, &ish->nir->info, last_vue_stage(ice), &key);
shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_GS, sizeof(key), &key);
if (!shader)
shader = crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key));
if (!shader)
shader = crocus_compile_gs(ice, ish, &key);
}
if (old != shader) {
ice->shaders.prog[CROCUS_CACHE_GS] = shader;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_GS |
CROCUS_STAGE_DIRTY_BINDINGS_GS |
CROCUS_STAGE_DIRTY_CONSTANTS_GS;
shs->sysvals_need_upload = true;
}
}
/**
* Compile a fragment (pixel) shader, and upload the assembly.
*/
static struct crocus_compiled_shader *
crocus_compile_fs(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
const struct elk_wm_prog_key *key,
struct intel_vue_map *vue_map)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
void *mem_ctx = ralloc_context(NULL);
struct elk_wm_prog_data *fs_prog_data =
rzalloc(mem_ctx, struct elk_wm_prog_data);
struct elk_stage_prog_data *prog_data = &fs_prog_data->base;
enum elk_param_builtin *system_values;
const struct intel_device_info *devinfo = &screen->devinfo;
unsigned num_system_values;
unsigned num_cbufs;
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
prog_data->use_alt_mode = nir->info.use_legacy_math_rules;
crocus_setup_uniforms(devinfo, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
/* Lower output variables to load_output intrinsics before setting up
* binding tables, so crocus_setup_binding_table can map any load_output
* intrinsics to CROCUS_SURFACE_GROUP_RENDER_TARGET_READ on Gen8 for
* non-coherent framebuffer fetches.
*/
elk_nir_lower_fs_outputs(nir);
/* lower swizzles before binding table */
crocus_lower_swizzles(nir, &key->base.tex);
int null_rts = 1;
struct crocus_binding_table bt;
crocus_setup_binding_table(devinfo, nir, &bt,
MAX2(key->nr_color_regions, null_rts),
num_system_values, num_cbufs,
&key->base.tex);
if (can_push_ubo(devinfo))
elk_nir_analyze_ubo_ranges(compiler, nir, prog_data->ubo_ranges);
struct elk_wm_prog_key key_clean = *key;
crocus_sanitize_tex_key(&key_clean.base.tex);
struct elk_compile_fs_params params = {
.base = {
.mem_ctx = mem_ctx,
.nir = nir,
.log_data = &ice->dbg,
},
.key = &key_clean,
.prog_data = fs_prog_data,
.allow_spilling = true,
.max_polygons = 1,
.vue_map = vue_map,
};
const unsigned *program =
elk_compile_fs(compiler, &params);
if (program == NULL) {
dbg_printf("Failed to compile fragment shader: %s\n", params.base.error_str);
ralloc_free(mem_ctx);
return false;
}
if (ish->compiled_once) {
crocus_debug_recompile(ice, &nir->info, &key->base);
} else {
ish->compiled_once = true;
}
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_FS, sizeof(*key), key, program,
prog_data->program_size,
prog_data, sizeof(*fs_prog_data), NULL,
system_values, num_system_values,
num_cbufs, &bt);
crocus_disk_cache_store(screen->disk_cache, ish, shader,
ice->shaders.cache_bo_map,
key, sizeof(*key));
ralloc_free(mem_ctx);
return shader;
}
/**
* Update the current fragment shader variant.
*
* Fill out the key, look in the cache, compile and bind if needed.
*/
static void
crocus_update_compiled_fs(struct crocus_context *ice)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct crocus_shader_state *shs = &ice->state.shaders[MESA_SHADER_FRAGMENT];
struct crocus_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_FRAGMENT];
struct elk_wm_prog_key key = { KEY_INIT() };
if (ish->nos & (1ull << CROCUS_NOS_TEXTURES))
crocus_populate_sampler_prog_key_data(ice, devinfo, MESA_SHADER_FRAGMENT, ish,
ish->nir->info.uses_texture_gather, &key.base.tex);
screen->vtbl.populate_fs_key(ice, &ish->nir->info, &key);
if (ish->nos & (1ull << CROCUS_NOS_LAST_VUE_MAP))
key.input_slots_valid = ice->shaders.last_vue_map->slots_valid;
struct crocus_compiled_shader *old = ice->shaders.prog[CROCUS_CACHE_FS];
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_FS, sizeof(key), &key);
if (!shader)
shader = crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key));
if (!shader)
shader = crocus_compile_fs(ice, ish, &key, ice->shaders.last_vue_map);
if (old != shader) {
// XXX: only need to flag CLIP if barycentric has NONPERSPECTIVE
// toggles. might be able to avoid flagging SBE too.
ice->shaders.prog[CROCUS_CACHE_FS] = shader;
ice->state.dirty |= CROCUS_DIRTY_WM;
/* gen4 clip/sf rely on fs prog_data */
if (devinfo->ver < 6)
ice->state.dirty |= CROCUS_DIRTY_GEN4_CLIP_PROG | CROCUS_DIRTY_GEN4_SF_PROG;
else
ice->state.dirty |= CROCUS_DIRTY_CLIP | CROCUS_DIRTY_GEN6_BLEND_STATE;
if (devinfo->ver == 6)
ice->state.dirty |= CROCUS_DIRTY_RASTER;
if (devinfo->ver >= 7)
ice->state.dirty |= CROCUS_DIRTY_GEN7_SBE;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_FS |
CROCUS_STAGE_DIRTY_BINDINGS_FS |
CROCUS_STAGE_DIRTY_CONSTANTS_FS;
shs->sysvals_need_upload = true;
}
}
/**
* Update the last enabled stage's VUE map.
*
* When the shader feeding the rasterizer's output interface changes, we
* need to re-emit various packets.
*/
static void
update_last_vue_map(struct crocus_context *ice,
struct elk_stage_prog_data *prog_data)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct elk_vue_prog_data *vue_prog_data = (void *) prog_data;
struct intel_vue_map *vue_map = &vue_prog_data->vue_map;
struct intel_vue_map *old_map = ice->shaders.last_vue_map;
const uint64_t changed_slots =
(old_map ? old_map->slots_valid : 0ull) ^ vue_map->slots_valid;
if (changed_slots & VARYING_BIT_VIEWPORT) {
ice->state.num_viewports =
(vue_map->slots_valid & VARYING_BIT_VIEWPORT) ? CROCUS_MAX_VIEWPORTS : 1;
ice->state.dirty |= CROCUS_DIRTY_SF_CL_VIEWPORT |
CROCUS_DIRTY_CC_VIEWPORT;
if (devinfo->ver < 6)
ice->state.dirty |= CROCUS_DIRTY_GEN4_CLIP_PROG | CROCUS_DIRTY_GEN4_SF_PROG;
if (devinfo->ver <= 6)
ice->state.dirty |= CROCUS_DIRTY_GEN4_FF_GS_PROG;
if (devinfo->ver >= 6)
ice->state.dirty |= CROCUS_DIRTY_CLIP |
CROCUS_DIRTY_GEN6_SCISSOR_RECT;;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_UNCOMPILED_FS |
ice->state.stage_dirty_for_nos[CROCUS_NOS_LAST_VUE_MAP];
}
if (changed_slots || (old_map && old_map->layout != vue_map->layout)) {
ice->state.dirty |= CROCUS_DIRTY_GEN7_SBE;
if (devinfo->ver < 6)
ice->state.dirty |= CROCUS_DIRTY_GEN4_FF_GS_PROG;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_UNCOMPILED_FS;
}
ice->shaders.last_vue_map = &vue_prog_data->vue_map;
}
static void
crocus_update_pull_constant_descriptors(struct crocus_context *ice,
gl_shader_stage stage)
{
struct crocus_compiled_shader *shader = ice->shaders.prog[stage];
if (!shader || !shader->prog_data->has_ubo_pull)
return;
struct crocus_shader_state *shs = &ice->state.shaders[stage];
bool any_new_descriptors =
shader->num_system_values > 0 && shs->sysvals_need_upload;
unsigned bound_cbufs = shs->bound_cbufs;
while (bound_cbufs) {
const int i = u_bit_scan(&bound_cbufs);
struct pipe_constant_buffer *cbuf = &shs->constbufs[i];
if (cbuf->buffer) {
any_new_descriptors = true;
}
}
if (any_new_descriptors)
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_BINDINGS_VS << stage;
}
/**
* Get the prog_data for a given stage, or NULL if the stage is disabled.
*/
static struct elk_vue_prog_data *
get_vue_prog_data(struct crocus_context *ice, gl_shader_stage stage)
{
if (!ice->shaders.prog[stage])
return NULL;
return (void *) ice->shaders.prog[stage]->prog_data;
}
static struct crocus_compiled_shader *
crocus_compile_clip(struct crocus_context *ice, struct elk_clip_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
void *mem_ctx;
unsigned program_size;
mem_ctx = ralloc_context(NULL);
struct elk_clip_prog_data *clip_prog_data =
rzalloc(mem_ctx, struct elk_clip_prog_data);
const unsigned *program = elk_compile_clip(compiler, mem_ctx, key, clip_prog_data,
ice->shaders.last_vue_map, &program_size);
if (program == NULL) {
dbg_printf("failed to compile clip shader\n");
ralloc_free(mem_ctx);
return false;
}
struct crocus_binding_table bt;
memset(&bt, 0, sizeof(bt));
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_CLIP, sizeof(*key), key, program,
program_size,
(struct elk_stage_prog_data *)clip_prog_data, sizeof(*clip_prog_data),
NULL, NULL, 0, 0, &bt);
ralloc_free(mem_ctx);
return shader;
}
static void
crocus_update_compiled_clip(struct crocus_context *ice)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
struct elk_clip_prog_key key;
struct crocus_compiled_shader *old = ice->shaders.clip_prog;
memset(&key, 0, sizeof(key));
const struct elk_wm_prog_data *wm_prog_data = elk_wm_prog_data(ice->shaders.prog[MESA_SHADER_FRAGMENT]->prog_data);
if (wm_prog_data) {
key.contains_flat_varying = wm_prog_data->contains_flat_varying;
key.contains_noperspective_varying =
wm_prog_data->contains_noperspective_varying;
memcpy(key.interp_mode, wm_prog_data->interp_mode, sizeof(key.interp_mode));
}
key.primitive = ice->state.reduced_prim_mode;
key.attrs = ice->shaders.last_vue_map->slots_valid;
struct pipe_rasterizer_state *rs_state = crocus_get_rast_state(ice);
key.pv_first = rs_state->flatshade_first;
if (rs_state->clip_plane_enable)
key.nr_userclip = util_logbase2(rs_state->clip_plane_enable) + 1;
if (screen->devinfo.ver == 5)
key.clip_mode = ELK_CLIP_MODE_KERNEL_CLIP;
else
key.clip_mode = ELK_CLIP_MODE_NORMAL;
if (key.primitive == MESA_PRIM_TRIANGLES) {
if (rs_state->cull_face == PIPE_FACE_FRONT_AND_BACK)
key.clip_mode = ELK_CLIP_MODE_REJECT_ALL;
else {
uint32_t fill_front = ELK_CLIP_FILL_MODE_CULL;
uint32_t fill_back = ELK_CLIP_FILL_MODE_CULL;
uint32_t offset_front = 0;
uint32_t offset_back = 0;
if (!(rs_state->cull_face & PIPE_FACE_FRONT)) {
switch (rs_state->fill_front) {
case PIPE_POLYGON_MODE_FILL:
fill_front = ELK_CLIP_FILL_MODE_FILL;
offset_front = 0;
break;
case PIPE_POLYGON_MODE_LINE:
fill_front = ELK_CLIP_FILL_MODE_LINE;
offset_front = rs_state->offset_line;
break;
case PIPE_POLYGON_MODE_POINT:
fill_front = ELK_CLIP_FILL_MODE_POINT;
offset_front = rs_state->offset_point;
break;
}
}
if (!(rs_state->cull_face & PIPE_FACE_BACK)) {
switch (rs_state->fill_back) {
case PIPE_POLYGON_MODE_FILL:
fill_back = ELK_CLIP_FILL_MODE_FILL;
offset_back = 0;
break;
case PIPE_POLYGON_MODE_LINE:
fill_back = ELK_CLIP_FILL_MODE_LINE;
offset_back = rs_state->offset_line;
break;
case PIPE_POLYGON_MODE_POINT:
fill_back = ELK_CLIP_FILL_MODE_POINT;
offset_back = rs_state->offset_point;
break;
}
}
if (rs_state->fill_back != PIPE_POLYGON_MODE_FILL ||
rs_state->fill_front != PIPE_POLYGON_MODE_FILL) {
key.do_unfilled = 1;
/* Most cases the fixed function units will handle. Cases where
* one or more polygon faces are unfilled will require help:
*/
key.clip_mode = ELK_CLIP_MODE_CLIP_NON_REJECTED;
if (offset_back || offset_front) {
double mrd = 0.0;
if (ice->state.framebuffer.zsbuf.texture)
mrd = util_get_depth_format_mrd(util_format_description(ice->state.framebuffer.zsbuf.format));
key.offset_units = rs_state->offset_units * mrd * 2;
key.offset_factor = rs_state->offset_scale * mrd;
key.offset_clamp = rs_state->offset_clamp * mrd;
}
if (!(rs_state->front_ccw ^ rs_state->bottom_edge_rule)) {
key.fill_ccw = fill_front;
key.fill_cw = fill_back;
key.offset_ccw = offset_front;
key.offset_cw = offset_back;
if (rs_state->light_twoside &&
key.fill_cw != ELK_CLIP_FILL_MODE_CULL)
key.copy_bfc_cw = 1;
} else {
key.fill_cw = fill_front;
key.fill_ccw = fill_back;
key.offset_cw = offset_front;
key.offset_ccw = offset_back;
if (rs_state->light_twoside &&
key.fill_ccw != ELK_CLIP_FILL_MODE_CULL)
key.copy_bfc_ccw = 1;
}
}
}
}
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_CLIP, sizeof(key), &key);
if (!shader)
shader = crocus_compile_clip(ice, &key);
if (old != shader) {
ice->state.dirty |= CROCUS_DIRTY_CLIP;
ice->shaders.clip_prog = shader;
}
}
static struct crocus_compiled_shader *
crocus_compile_sf(struct crocus_context *ice, struct elk_sf_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
void *mem_ctx;
unsigned program_size;
mem_ctx = ralloc_context(NULL);
struct elk_sf_prog_data *sf_prog_data =
rzalloc(mem_ctx, struct elk_sf_prog_data);
const unsigned *program = elk_compile_sf(compiler, mem_ctx, key, sf_prog_data,
ice->shaders.last_vue_map, &program_size);
if (program == NULL) {
dbg_printf("failed to compile sf shader\n");
ralloc_free(mem_ctx);
return false;
}
struct crocus_binding_table bt;
memset(&bt, 0, sizeof(bt));
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_SF, sizeof(*key), key, program,
program_size,
(struct elk_stage_prog_data *)sf_prog_data, sizeof(*sf_prog_data),
NULL, NULL, 0, 0, &bt);
ralloc_free(mem_ctx);
return shader;
}
static void
crocus_update_compiled_sf(struct crocus_context *ice)
{
struct elk_sf_prog_key key;
struct crocus_compiled_shader *old = ice->shaders.sf_prog;
memset(&key, 0, sizeof(key));
key.attrs = ice->shaders.last_vue_map->slots_valid;
switch (ice->state.reduced_prim_mode) {
case MESA_PRIM_TRIANGLES:
default:
if (key.attrs & VARYING_BIT_EDGE)
key.primitive = ELK_SF_PRIM_UNFILLED_TRIS;
else
key.primitive = ELK_SF_PRIM_TRIANGLES;
break;
case MESA_PRIM_LINES:
key.primitive = ELK_SF_PRIM_LINES;
break;
case MESA_PRIM_POINTS:
key.primitive = ELK_SF_PRIM_POINTS;
break;
}
struct pipe_rasterizer_state *rs_state = crocus_get_rast_state(ice);
key.userclip_active = rs_state->clip_plane_enable != 0;
const struct elk_wm_prog_data *wm_prog_data = elk_wm_prog_data(ice->shaders.prog[MESA_SHADER_FRAGMENT]->prog_data);
if (wm_prog_data) {
key.contains_flat_varying = wm_prog_data->contains_flat_varying;
memcpy(key.interp_mode, wm_prog_data->interp_mode, sizeof(key.interp_mode));
}
key.do_twoside_color = rs_state->light_twoside;
key.do_point_sprite = rs_state->point_quad_rasterization;
if (key.do_point_sprite) {
key.point_sprite_coord_replace = rs_state->sprite_coord_enable & 0xff;
if (rs_state->sprite_coord_enable & (1 << 8))
key.do_point_coord = 1;
if (wm_prog_data && wm_prog_data->urb_setup[VARYING_SLOT_PNTC] != -1)
key.do_point_coord = 1;
}
key.sprite_origin_lower_left = rs_state->sprite_coord_mode == PIPE_SPRITE_COORD_LOWER_LEFT;
if (key.do_twoside_color) {
key.frontface_ccw = rs_state->front_ccw;
}
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_SF, sizeof(key), &key);
if (!shader)
shader = crocus_compile_sf(ice, &key);
if (old != shader) {
ice->state.dirty |= CROCUS_DIRTY_RASTER;
ice->shaders.sf_prog = shader;
}
}
static struct crocus_compiled_shader *
crocus_compile_ff_gs(struct crocus_context *ice, struct elk_ff_gs_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
struct elk_compiler *compiler = screen->compiler;
void *mem_ctx;
unsigned program_size;
mem_ctx = ralloc_context(NULL);
struct elk_ff_gs_prog_data *ff_gs_prog_data =
rzalloc(mem_ctx, struct elk_ff_gs_prog_data);
const unsigned *program = elk_compile_ff_gs_prog(compiler, mem_ctx, key, ff_gs_prog_data,
ice->shaders.last_vue_map, &program_size);
if (program == NULL) {
dbg_printf("failed to compile sf shader\n");
ralloc_free(mem_ctx);
return false;
}
struct crocus_binding_table bt;
memset(&bt, 0, sizeof(bt));
if (screen->devinfo.ver == 6) {
bt.sizes[CROCUS_SURFACE_GROUP_SOL] = ELK_MAX_SOL_BINDINGS;
bt.used_mask[CROCUS_SURFACE_GROUP_SOL] = (uint64_t)-1;
bt.size_bytes = ELK_MAX_SOL_BINDINGS * 4;
}
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_FF_GS, sizeof(*key), key, program,
program_size,
(struct elk_stage_prog_data *)ff_gs_prog_data, sizeof(*ff_gs_prog_data),
NULL, NULL, 0, 0, &bt);
ralloc_free(mem_ctx);
return shader;
}
static void
crocus_update_compiled_ff_gs(struct crocus_context *ice)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct elk_ff_gs_prog_key key;
struct crocus_compiled_shader *old = ice->shaders.ff_gs_prog;
memset(&key, 0, sizeof(key));
assert(devinfo->ver < 7);
key.attrs = ice->shaders.last_vue_map->slots_valid;
key.primitive = screen->vtbl.translate_prim_type(ice->state.prim_mode, 0);
struct pipe_rasterizer_state *rs_state = crocus_get_rast_state(ice);
key.pv_first = rs_state->flatshade_first;
if (key.primitive == _3DPRIM_QUADLIST && !rs_state->flatshade) {
/* Provide consistenbbbbbt primitive order with elk_set_prim's
* optimization of single quads to trifans.
*/
key.pv_first = true;
}
if (devinfo->ver >= 6) {
key.need_gs_prog = ice->state.streamout_active;
if (key.need_gs_prog) {
struct crocus_uncompiled_shader *vs =
ice->shaders.uncompiled[MESA_SHADER_VERTEX];
gfx6_ff_gs_xfb_setup(&vs->stream_output,
&key);
}
} else {
key.need_gs_prog = (key.primitive == _3DPRIM_QUADLIST ||
key.primitive == _3DPRIM_QUADSTRIP ||
key.primitive == _3DPRIM_LINELOOP);
}
struct crocus_compiled_shader *shader = NULL;
if (key.need_gs_prog) {
shader = crocus_find_cached_shader(ice, CROCUS_CACHE_FF_GS,
sizeof(key), &key);
if (!shader)
shader = crocus_compile_ff_gs(ice, &key);
}
if (old != shader) {
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_GS;
if (!!old != !!shader)
ice->state.dirty |= CROCUS_DIRTY_GEN6_URB;
ice->shaders.ff_gs_prog = shader;
if (shader) {
const struct elk_ff_gs_prog_data *gs_prog_data = (struct elk_ff_gs_prog_data *)ice->shaders.ff_gs_prog->prog_data;
ice->state.last_xfb_verts_per_prim = gs_prog_data->svbi_postincrement_value;
}
}
}
// XXX: crocus_compiled_shaders are space-leaking :(
// XXX: do remember to unbind them if deleting them.
/**
* Update the current shader variants for the given state.
*
* This should be called on every draw call to ensure that the correct
* shaders are bound. It will also flag any dirty state triggered by
* swapping out those shaders.
*/
bool
crocus_update_compiled_shaders(struct crocus_context *ice)
{
struct crocus_screen *screen = (void *) ice->ctx.screen;
const uint64_t stage_dirty = ice->state.stage_dirty;
struct elk_vue_prog_data *old_prog_datas[4];
if (!(ice->state.dirty & CROCUS_DIRTY_GEN6_URB)) {
for (int i = MESA_SHADER_VERTEX; i <= MESA_SHADER_GEOMETRY; i++)
old_prog_datas[i] = get_vue_prog_data(ice, i);
}
if (stage_dirty & (CROCUS_STAGE_DIRTY_UNCOMPILED_TCS |
CROCUS_STAGE_DIRTY_UNCOMPILED_TES)) {
struct crocus_uncompiled_shader *tes =
ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL];
if (tes) {
crocus_update_compiled_tcs(ice);
crocus_update_compiled_tes(ice);
} else {
ice->shaders.prog[CROCUS_CACHE_TCS] = NULL;
ice->shaders.prog[CROCUS_CACHE_TES] = NULL;
ice->state.stage_dirty |=
CROCUS_STAGE_DIRTY_TCS | CROCUS_STAGE_DIRTY_TES |
CROCUS_STAGE_DIRTY_BINDINGS_TCS | CROCUS_STAGE_DIRTY_BINDINGS_TES |
CROCUS_STAGE_DIRTY_CONSTANTS_TCS | CROCUS_STAGE_DIRTY_CONSTANTS_TES;
}
}
if (stage_dirty & CROCUS_STAGE_DIRTY_UNCOMPILED_VS)
crocus_update_compiled_vs(ice);
if (stage_dirty & CROCUS_STAGE_DIRTY_UNCOMPILED_GS)
crocus_update_compiled_gs(ice);
if (stage_dirty & (CROCUS_STAGE_DIRTY_UNCOMPILED_GS |
CROCUS_STAGE_DIRTY_UNCOMPILED_TES)) {
const struct crocus_compiled_shader *gs =
ice->shaders.prog[MESA_SHADER_GEOMETRY];
const struct crocus_compiled_shader *tes =
ice->shaders.prog[MESA_SHADER_TESS_EVAL];
bool points_or_lines = false;
if (gs) {
const struct elk_gs_prog_data *gs_prog_data = (void *) gs->prog_data;
points_or_lines =
gs_prog_data->output_topology == _3DPRIM_POINTLIST ||
gs_prog_data->output_topology == _3DPRIM_LINESTRIP;
} else if (tes) {
const struct elk_tes_prog_data *tes_data = (void *) tes->prog_data;
points_or_lines =
tes_data->output_topology == INTEL_TESS_OUTPUT_TOPOLOGY_LINE ||
tes_data->output_topology == INTEL_TESS_OUTPUT_TOPOLOGY_POINT;
}
if (ice->shaders.output_topology_is_points_or_lines != points_or_lines) {
/* Outbound to XY Clip enables */
ice->shaders.output_topology_is_points_or_lines = points_or_lines;
ice->state.dirty |= CROCUS_DIRTY_CLIP;
}
}
if (!ice->shaders.prog[MESA_SHADER_VERTEX])
return false;
gl_shader_stage last_stage = last_vue_stage(ice);
struct crocus_compiled_shader *shader = ice->shaders.prog[last_stage];
struct crocus_uncompiled_shader *ish = ice->shaders.uncompiled[last_stage];
update_last_vue_map(ice, shader->prog_data);
if (ice->state.streamout != shader->streamout) {
ice->state.streamout = shader->streamout;
ice->state.dirty |= CROCUS_DIRTY_SO_DECL_LIST | CROCUS_DIRTY_STREAMOUT;
}
if (ice->state.streamout_active) {
screen->vtbl.update_so_strides(ice, ish->stream_output.stride);
}
/* use ice->state version as last_vue_map can dirty this bit */
if (ice->state.stage_dirty & CROCUS_STAGE_DIRTY_UNCOMPILED_FS)
crocus_update_compiled_fs(ice);
if (screen->devinfo.ver <= 6) {
if (ice->state.dirty & CROCUS_DIRTY_GEN4_FF_GS_PROG &&
!ice->shaders.prog[MESA_SHADER_GEOMETRY])
crocus_update_compiled_ff_gs(ice);
}
if (screen->devinfo.ver < 6) {
if (ice->state.dirty & CROCUS_DIRTY_GEN4_CLIP_PROG)
crocus_update_compiled_clip(ice);
if (ice->state.dirty & CROCUS_DIRTY_GEN4_SF_PROG)
crocus_update_compiled_sf(ice);
}
/* Changing shader interfaces may require a URB configuration. */
if (!(ice->state.dirty & CROCUS_DIRTY_GEN6_URB)) {
for (int i = MESA_SHADER_VERTEX; i <= MESA_SHADER_GEOMETRY; i++) {
struct elk_vue_prog_data *old = old_prog_datas[i];
struct elk_vue_prog_data *new = get_vue_prog_data(ice, i);
if (!!old != !!new ||
(new && new->urb_entry_size != old->urb_entry_size)) {
ice->state.dirty |= CROCUS_DIRTY_GEN6_URB;
break;
}
}
}
if (ice->state.stage_dirty & CROCUS_RENDER_STAGE_DIRTY_CONSTANTS) {
for (int i = MESA_SHADER_VERTEX; i <= MESA_SHADER_FRAGMENT; i++) {
if (ice->state.stage_dirty & (CROCUS_STAGE_DIRTY_CONSTANTS_VS << i))
crocus_update_pull_constant_descriptors(ice, i);
}
}
return true;
}
static struct crocus_compiled_shader *
crocus_compile_cs(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
const struct elk_cs_prog_key *key)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct elk_compiler *compiler = screen->compiler;
void *mem_ctx = ralloc_context(NULL);
struct elk_cs_prog_data *cs_prog_data =
rzalloc(mem_ctx, struct elk_cs_prog_data);
struct elk_stage_prog_data *prog_data = &cs_prog_data->base;
enum elk_param_builtin *system_values;
const struct intel_device_info *devinfo = &screen->devinfo;
unsigned num_system_values;
unsigned num_cbufs;
nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
NIR_PASS(_, nir, elk_nir_lower_cs_intrinsics, devinfo, cs_prog_data);
crocus_setup_uniforms(devinfo, mem_ctx, nir, prog_data, &system_values,
&num_system_values, &num_cbufs);
crocus_lower_swizzles(nir, &key->base.tex);
struct crocus_binding_table bt;
crocus_setup_binding_table(devinfo, nir, &bt, /* num_render_targets */ 0,
num_system_values, num_cbufs, &key->base.tex);
struct elk_compile_cs_params params = {
.base = {
.mem_ctx = mem_ctx,
.nir = nir,
.log_data = &ice->dbg,
},
.key = key,
.prog_data = cs_prog_data,
};
const unsigned *program =
elk_compile_cs(compiler, &params);
if (program == NULL) {
dbg_printf("Failed to compile compute shader: %s\n", params.base.error_str);
ralloc_free(mem_ctx);
return false;
}
if (ish->compiled_once) {
crocus_debug_recompile(ice, &nir->info, &key->base);
} else {
ish->compiled_once = true;
}
struct crocus_compiled_shader *shader =
crocus_upload_shader(ice, CROCUS_CACHE_CS, sizeof(*key), key, program,
prog_data->program_size,
prog_data, sizeof(*cs_prog_data), NULL,
system_values, num_system_values,
num_cbufs, &bt);
crocus_disk_cache_store(screen->disk_cache, ish, shader,
ice->shaders.cache_bo_map,
key, sizeof(*key));
ralloc_free(mem_ctx);
return shader;
}
static void
crocus_update_compiled_cs(struct crocus_context *ice)
{
struct crocus_shader_state *shs = &ice->state.shaders[MESA_SHADER_COMPUTE];
struct crocus_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_COMPUTE];
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct elk_cs_prog_key key = { KEY_INIT() };
if (ish->nos & (1ull << CROCUS_NOS_TEXTURES))
crocus_populate_sampler_prog_key_data(ice, devinfo, MESA_SHADER_COMPUTE, ish,
ish->nir->info.uses_texture_gather, &key.base.tex);
screen->vtbl.populate_cs_key(ice, &key);
struct crocus_compiled_shader *old = ice->shaders.prog[CROCUS_CACHE_CS];
struct crocus_compiled_shader *shader =
crocus_find_cached_shader(ice, CROCUS_CACHE_CS, sizeof(key), &key);
if (!shader)
shader = crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key));
if (!shader)
shader = crocus_compile_cs(ice, ish, &key);
if (old != shader) {
ice->shaders.prog[CROCUS_CACHE_CS] = shader;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_CS |
CROCUS_STAGE_DIRTY_BINDINGS_CS |
CROCUS_STAGE_DIRTY_CONSTANTS_CS;
shs->sysvals_need_upload = true;
}
}
void
crocus_update_compiled_compute_shader(struct crocus_context *ice)
{
if (ice->state.stage_dirty & CROCUS_STAGE_DIRTY_UNCOMPILED_CS)
crocus_update_compiled_cs(ice);
if (ice->state.stage_dirty & CROCUS_STAGE_DIRTY_CONSTANTS_CS)
crocus_update_pull_constant_descriptors(ice, MESA_SHADER_COMPUTE);
}
void
crocus_fill_cs_push_const_buffer(struct elk_cs_prog_data *cs_prog_data,
unsigned threads,
uint32_t *dst)
{
assert(elk_cs_push_const_total_size(cs_prog_data, threads) > 0);
assert(cs_prog_data->push.cross_thread.size == 0);
assert(cs_prog_data->push.per_thread.dwords == 1);
assert(cs_prog_data->base.param[0] == ELK_PARAM_BUILTIN_SUBGROUP_ID);
for (unsigned t = 0; t < threads; t++)
dst[8 * t] = t;
}
/**
* Allocate scratch BOs as needed for the given per-thread size and stage.
*/
struct crocus_bo *
crocus_get_scratch_space(struct crocus_context *ice,
unsigned per_thread_scratch,
gl_shader_stage stage)
{
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
struct crocus_bufmgr *bufmgr = screen->bufmgr;
const struct intel_device_info *devinfo = &screen->devinfo;
unsigned encoded_size = ffs(per_thread_scratch) - 11;
assert(encoded_size < (1 << 16));
struct crocus_bo **bop = &ice->shaders.scratch_bos[encoded_size][stage];
if (!*bop) {
assert(stage < ARRAY_SIZE(devinfo->max_scratch_ids));
uint32_t size = per_thread_scratch * devinfo->max_scratch_ids[stage];
*bop = crocus_bo_alloc(bufmgr, "scratch", size);
}
return *bop;
}
/* ------------------------------------------------------------------- */
/**
* The pipe->create_[stage]_state() driver hooks.
*
* Performs basic NIR preprocessing, records any state dependencies, and
* returns an crocus_uncompiled_shader as the Gallium CSO.
*
* Actual shader compilation to assembly happens later, at first use.
*/
static void *
crocus_create_uncompiled_shader(struct pipe_context *ctx,
nir_shader *nir,
const struct pipe_stream_output_info *so_info)
{
struct crocus_screen *screen = (struct crocus_screen *)ctx->screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct crocus_uncompiled_shader *ish =
calloc(1, sizeof(struct crocus_uncompiled_shader));
if (!ish)
return NULL;
if (devinfo->ver >= 6)
NIR_PASS(ish->needs_edge_flag, nir, crocus_fix_edge_flags);
else
ish->needs_edge_flag = false;
struct elk_nir_compiler_opts opts = {};
elk_preprocess_nir(screen->compiler, nir, &opts);
NIR_PASS(_, nir, elk_nir_lower_storage_image,
&(struct elk_nir_lower_storage_image_opts) {
.devinfo = devinfo,
.lower_loads = true,
.lower_stores = true,
.lower_atomics = true,
.lower_get_size = true,
});
NIR_PASS(_, nir, crocus_lower_storage_image_derefs);
nir_sweep(nir);
ish->program_id = get_new_program_id(screen);
ish->nir = nir;
if (so_info) {
memcpy(&ish->stream_output, so_info, sizeof(*so_info));
update_so_info(&ish->stream_output, nir->info.outputs_written);
}
if (screen->disk_cache) {
/* Serialize the NIR to a binary blob that we can hash for the disk
* cache. Drop unnecessary information (like variable names)
* so the serialized NIR is smaller, and also to let us detect more
* isomorphic shaders when hashing, increasing cache hits.
*/
struct blob blob;
blob_init(&blob);
nir_serialize(&blob, nir, true);
_mesa_sha1_compute(blob.data, blob.size, ish->nir_sha1);
blob_finish(&blob);
}
return ish;
}
static struct crocus_uncompiled_shader *
crocus_create_shader_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct nir_shader *nir;
if (state->type == PIPE_SHADER_IR_TGSI)
nir = tgsi_to_nir(state->tokens, ctx->screen, false);
else
nir = state->ir.nir;
return crocus_create_uncompiled_shader(ctx, nir, &state->stream_output);
}
static void *
crocus_create_vs_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct crocus_context *ice = (void *) ctx;
struct crocus_screen *screen = (void *) ctx->screen;
struct crocus_uncompiled_shader *ish = crocus_create_shader_state(ctx, state);
ish->nos |= (1ull << CROCUS_NOS_TEXTURES);
/* User clip planes or gen5 sprite coord enable */
if (ish->nir->info.clip_distance_array_size == 0 ||
screen->devinfo.ver <= 5)
ish->nos |= (1ull << CROCUS_NOS_RASTERIZER);
if (screen->devinfo.verx10 < 75)
ish->nos |= (1ull << CROCUS_NOS_VERTEX_ELEMENTS);
if (screen->precompile) {
struct elk_vs_prog_key key = { KEY_INIT() };
if (!crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
crocus_compile_vs(ice, ish, &key);
}
return ish;
}
static void *
crocus_create_tcs_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct crocus_context *ice = (void *) ctx;
struct crocus_screen *screen = (void *) ctx->screen;
struct crocus_uncompiled_shader *ish = crocus_create_shader_state(ctx, state);
struct shader_info *info = &ish->nir->info;
ish->nos |= (1ull << CROCUS_NOS_TEXTURES);
if (screen->precompile) {
struct elk_tcs_prog_key key = {
KEY_INIT(),
// XXX: make sure the linker fills this out from the TES...
._tes_primitive_mode =
info->tess._primitive_mode ? info->tess._primitive_mode
: TESS_PRIMITIVE_TRIANGLES,
.outputs_written = info->outputs_written,
.patch_outputs_written = info->patch_outputs_written,
};
key.input_vertices = info->tess.tcs_vertices_out;
if (!crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
crocus_compile_tcs(ice, ish, &key);
}
return ish;
}
static void *
crocus_create_tes_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct crocus_context *ice = (void *) ctx;
struct crocus_screen *screen = (void *) ctx->screen;
struct crocus_uncompiled_shader *ish = crocus_create_shader_state(ctx, state);
struct shader_info *info = &ish->nir->info;
ish->nos |= (1ull << CROCUS_NOS_TEXTURES);
/* User clip planes */
if (ish->nir->info.clip_distance_array_size == 0)
ish->nos |= (1ull << CROCUS_NOS_RASTERIZER);
if (screen->precompile) {
struct elk_tes_prog_key key = {
KEY_INIT(),
// XXX: not ideal, need TCS output/TES input unification
.inputs_read = info->inputs_read,
.patch_inputs_read = info->patch_inputs_read,
};
if (!crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
crocus_compile_tes(ice, ish, &key);
}
return ish;
}
static void *
crocus_create_gs_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct crocus_context *ice = (void *) ctx;
struct crocus_screen *screen = (void *) ctx->screen;
struct crocus_uncompiled_shader *ish = crocus_create_shader_state(ctx, state);
ish->nos |= (1ull << CROCUS_NOS_TEXTURES);
/* User clip planes */
if (ish->nir->info.clip_distance_array_size == 0)
ish->nos |= (1ull << CROCUS_NOS_RASTERIZER);
if (screen->precompile) {
struct elk_gs_prog_key key = { KEY_INIT() };
if (!crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
crocus_compile_gs(ice, ish, &key);
}
return ish;
}
static void *
crocus_create_fs_state(struct pipe_context *ctx,
const struct pipe_shader_state *state)
{
struct crocus_context *ice = (void *) ctx;
struct crocus_screen *screen = (void *) ctx->screen;
struct crocus_uncompiled_shader *ish = crocus_create_shader_state(ctx, state);
struct shader_info *info = &ish->nir->info;
ish->nos |= (1ull << CROCUS_NOS_FRAMEBUFFER) |
(1ull << CROCUS_NOS_DEPTH_STENCIL_ALPHA) |
(1ull << CROCUS_NOS_RASTERIZER) |
(1ull << CROCUS_NOS_TEXTURES) |
(1ull << CROCUS_NOS_BLEND);
/* The program key needs the VUE map if there are > 16 inputs or gen4/5 */
if (screen->devinfo.ver < 6 || util_bitcount64(ish->nir->info.inputs_read &
ELK_FS_VARYING_INPUT_MASK) > 16) {
ish->nos |= (1ull << CROCUS_NOS_LAST_VUE_MAP);
}
if (screen->precompile) {
const uint64_t color_outputs = info->outputs_written &
~(BITFIELD64_BIT(FRAG_RESULT_DEPTH) |
BITFIELD64_BIT(FRAG_RESULT_STENCIL) |
BITFIELD64_BIT(FRAG_RESULT_SAMPLE_MASK));
bool can_rearrange_varyings =
screen->devinfo.ver > 6 && util_bitcount64(info->inputs_read & ELK_FS_VARYING_INPUT_MASK) <= 16;
const struct intel_device_info *devinfo = &screen->devinfo;
struct elk_wm_prog_key key = {
KEY_INIT(),
.nr_color_regions = util_bitcount(color_outputs),
.coherent_fb_fetch = false,
.ignore_sample_mask_out = screen->devinfo.ver < 6 ? 1 : 0,
.input_slots_valid =
can_rearrange_varyings ? 0 : info->inputs_read | VARYING_BIT_POS,
};
struct intel_vue_map vue_map;
if (devinfo->ver < 6) {
elk_compute_vue_map(devinfo, &vue_map,
info->inputs_read | VARYING_BIT_POS,
INTEL_VUE_LAYOUT_FIXED, /* pos slots */ 1);
}
if (!crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
crocus_compile_fs(ice, ish, &key, &vue_map);
}
return ish;
}
static void *
crocus_create_compute_state(struct pipe_context *ctx,
const struct pipe_compute_state *state)
{
assert(state->ir_type == PIPE_SHADER_IR_NIR);
struct crocus_context *ice = (void *) ctx;
struct crocus_screen *screen = (void *) ctx->screen;
struct crocus_uncompiled_shader *ish =
crocus_create_uncompiled_shader(ctx, (void *) state->prog, NULL);
ish->nos |= (1ull << CROCUS_NOS_TEXTURES);
// XXX: disallow more than 64KB of shared variables
if (screen->precompile) {
struct elk_cs_prog_key key = { KEY_INIT() };
if (!crocus_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
crocus_compile_cs(ice, ish, &key);
}
return ish;
}
/**
* The pipe->delete_[stage]_state() driver hooks.
*
* Frees the crocus_uncompiled_shader.
*/
static void
crocus_delete_shader_state(struct pipe_context *ctx, void *state, gl_shader_stage stage)
{
struct crocus_uncompiled_shader *ish = state;
struct crocus_context *ice = (void *) ctx;
if (ice->shaders.uncompiled[stage] == ish) {
ice->shaders.uncompiled[stage] = NULL;
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_UNCOMPILED_VS << stage;
}
if (ish->const_data) {
pipe_resource_reference(&ish->const_data, NULL);
pipe_resource_reference(&ish->const_data_state.res, NULL);
}
ralloc_free(ish->nir);
free(ish);
}
static void
crocus_delete_vs_state(struct pipe_context *ctx, void *state)
{
crocus_delete_shader_state(ctx, state, MESA_SHADER_VERTEX);
}
static void
crocus_delete_tcs_state(struct pipe_context *ctx, void *state)
{
crocus_delete_shader_state(ctx, state, MESA_SHADER_TESS_CTRL);
}
static void
crocus_delete_tes_state(struct pipe_context *ctx, void *state)
{
crocus_delete_shader_state(ctx, state, MESA_SHADER_TESS_EVAL);
}
static void
crocus_delete_gs_state(struct pipe_context *ctx, void *state)
{
crocus_delete_shader_state(ctx, state, MESA_SHADER_GEOMETRY);
}
static void
crocus_delete_fs_state(struct pipe_context *ctx, void *state)
{
crocus_delete_shader_state(ctx, state, MESA_SHADER_FRAGMENT);
}
static void
crocus_delete_cs_state(struct pipe_context *ctx, void *state)
{
crocus_delete_shader_state(ctx, state, MESA_SHADER_COMPUTE);
}
/**
* The pipe->bind_[stage]_state() driver hook.
*
* Binds an uncompiled shader as the current one for a particular stage.
* Updates dirty tracking to account for the shader's NOS.
*/
static void
bind_shader_state(struct crocus_context *ice,
struct crocus_uncompiled_shader *ish,
gl_shader_stage stage)
{
uint64_t dirty_bit = CROCUS_STAGE_DIRTY_UNCOMPILED_VS << stage;
const uint64_t nos = ish ? ish->nos : 0;
const struct shader_info *old_info = crocus_get_shader_info(ice, stage);
const struct shader_info *new_info = ish ? &ish->nir->info : NULL;
if ((old_info ? BITSET_LAST_BIT(old_info->textures_used) : 0) !=
(new_info ? BITSET_LAST_BIT(new_info->textures_used) : 0)) {
ice->state.stage_dirty |= CROCUS_STAGE_DIRTY_SAMPLER_STATES_VS << stage;
}
ice->shaders.uncompiled[stage] = ish;
ice->state.stage_dirty |= dirty_bit;
/* Record that CSOs need to mark CROCUS_DIRTY_UNCOMPILED_XS when they change
* (or that they no longer need to do so).
*/
for (int i = 0; i < CROCUS_NOS_COUNT; i++) {
if (nos & (1 << i))
ice->state.stage_dirty_for_nos[i] |= dirty_bit;
else
ice->state.stage_dirty_for_nos[i] &= ~dirty_bit;
}
}
static void
crocus_bind_vs_state(struct pipe_context *ctx, void *state)
{
struct crocus_context *ice = (struct crocus_context *)ctx;
struct crocus_uncompiled_shader *new_ish = state;
struct crocus_screen *screen = (struct crocus_screen *)ice->ctx.screen;
const struct intel_device_info *devinfo = &screen->devinfo;
if (new_ish &&
ice->state.window_space_position !=
new_ish->nir->info.vs.window_space_position) {
ice->state.window_space_position =
new_ish->nir->info.vs.window_space_position;
ice->state.dirty |= CROCUS_DIRTY_CLIP |
CROCUS_DIRTY_RASTER |
CROCUS_DIRTY_CC_VIEWPORT;
}
if (devinfo->ver == 6) {
ice->state.stage_dirty |= CROCUS_DIRTY_GEN4_FF_GS_PROG;
}
bind_shader_state((void *) ctx, state, MESA_SHADER_VERTEX);
}
static void
crocus_bind_tcs_state(struct pipe_context *ctx, void *state)
{
bind_shader_state((void *) ctx, state, MESA_SHADER_TESS_CTRL);
}
static void
crocus_bind_tes_state(struct pipe_context *ctx, void *state)
{
struct crocus_context *ice = (struct crocus_context *)ctx;
/* Enabling/disabling optional stages requires a URB reconfiguration. */
if (!!state != !!ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL])
ice->state.dirty |= CROCUS_DIRTY_GEN6_URB;
bind_shader_state((void *) ctx, state, MESA_SHADER_TESS_EVAL);
}
static void
crocus_bind_gs_state(struct pipe_context *ctx, void *state)
{
struct crocus_context *ice = (struct crocus_context *)ctx;
/* Enabling/disabling optional stages requires a URB reconfiguration. */
if (!!state != !!ice->shaders.uncompiled[MESA_SHADER_GEOMETRY])
ice->state.dirty |= CROCUS_DIRTY_GEN6_URB;
bind_shader_state((void *) ctx, state, MESA_SHADER_GEOMETRY);
}
static void
crocus_bind_fs_state(struct pipe_context *ctx, void *state)
{
struct crocus_context *ice = (struct crocus_context *) ctx;
struct crocus_screen *screen = (struct crocus_screen *) ctx->screen;
const struct intel_device_info *devinfo = &screen->devinfo;
struct crocus_uncompiled_shader *old_ish =
ice->shaders.uncompiled[MESA_SHADER_FRAGMENT];
struct crocus_uncompiled_shader *new_ish = state;
const unsigned color_bits =
BITFIELD64_BIT(FRAG_RESULT_COLOR) |
BITFIELD64_RANGE(FRAG_RESULT_DATA0, ELK_MAX_DRAW_BUFFERS);
/* Fragment shader outputs influence HasWriteableRT */
if (!old_ish || !new_ish ||
(old_ish->nir->info.outputs_written & color_bits) !=
(new_ish->nir->info.outputs_written & color_bits)) {
if (devinfo->ver == 8)
ice->state.dirty |= CROCUS_DIRTY_GEN8_PS_BLEND;
else
ice->state.dirty |= CROCUS_DIRTY_WM;
}
if (devinfo->ver == 8)
ice->state.dirty |= CROCUS_DIRTY_GEN8_PMA_FIX;
bind_shader_state((void *) ctx, state, MESA_SHADER_FRAGMENT);
}
static void
crocus_bind_cs_state(struct pipe_context *ctx, void *state)
{
bind_shader_state((void *) ctx, state, MESA_SHADER_COMPUTE);
}
void
crocus_init_program_functions(struct pipe_context *ctx)
{
ctx->create_vs_state = crocus_create_vs_state;
ctx->create_tcs_state = crocus_create_tcs_state;
ctx->create_tes_state = crocus_create_tes_state;
ctx->create_gs_state = crocus_create_gs_state;
ctx->create_fs_state = crocus_create_fs_state;
ctx->create_compute_state = crocus_create_compute_state;
ctx->delete_vs_state = crocus_delete_vs_state;
ctx->delete_tcs_state = crocus_delete_tcs_state;
ctx->delete_tes_state = crocus_delete_tes_state;
ctx->delete_gs_state = crocus_delete_gs_state;
ctx->delete_fs_state = crocus_delete_fs_state;
ctx->delete_compute_state = crocus_delete_cs_state;
ctx->bind_vs_state = crocus_bind_vs_state;
ctx->bind_tcs_state = crocus_bind_tcs_state;
ctx->bind_tes_state = crocus_bind_tes_state;
ctx->bind_gs_state = crocus_bind_gs_state;
ctx->bind_fs_state = crocus_bind_fs_state;
ctx->bind_compute_state = crocus_bind_cs_state;
}