* 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
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, 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 rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
+ * The 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
+ * 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 iris_program.c
+ *
+ * This file contains the driver interface for compiling shaders.
+ *
+ * See iris_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_context.h"
#include "pipe/p_screen.h"
#include "util/u_atomic.h"
+#include "util/u_upload_mgr.h"
#include "compiler/nir/nir.h"
#include "compiler/nir/nir_builder.h"
+#include "compiler/nir/nir_serialize.h"
#include "intel/compiler/brw_compiler.h"
#include "intel/compiler/brw_nir.h"
#include "iris_context.h"
+#include "nir/tgsi_to_nir.h"
+
+#define KEY_INIT_NO_ID(gen) \
+ .tex.swizzles[0 ... MAX_SAMPLERS - 1] = 0x688, \
+ .tex.compressed_multisample_layout_mask = ~0, \
+ .tex.msaa_16 = (gen >= 9 ? ~0 : 0)
+#define KEY_INIT(gen) .program_string_id = ish->program_id, KEY_INIT_NO_ID(gen)
static unsigned
get_new_program_id(struct iris_screen *screen)
return p_atomic_inc_return(&screen->program_id);
}
-struct iris_uncompiled_shader {
- struct pipe_shader_state base;
- unsigned program_id;
-
- /** Bitfield of (1 << IRIS_NOS_*) flags. */
- unsigned nos;
-};
-
-// XXX: need unify_interfaces() at link time...
-
static void *
-iris_create_shader_state(struct pipe_context *ctx,
- const struct pipe_shader_state *state)
+upload_state(struct u_upload_mgr *uploader,
+ struct iris_state_ref *ref,
+ unsigned size,
+ unsigned alignment)
{
- //struct iris_context *ice = (struct iris_context *)ctx;
- struct iris_screen *screen = (struct iris_screen *)ctx->screen;
-
- assert(state->type == PIPE_SHADER_IR_NIR);
-
- nir_shader *nir = state->ir.nir;
-
- struct iris_uncompiled_shader *ish =
- calloc(1, sizeof(struct iris_uncompiled_shader));
- if (!ish)
- return NULL;
-
- nir = brw_preprocess_nir(screen->compiler, nir);
-
- ish->program_id = get_new_program_id(screen);
- ish->base.type = PIPE_SHADER_IR_NIR;
- ish->base.ir.nir = nir;
- memcpy(&ish->base.stream_output, &state->stream_output,
- sizeof(struct pipe_stream_output_info));
-
- switch (nir->info.stage) {
- case MESA_SHADER_VERTEX:
- // XXX: NOS
- break;
- case MESA_SHADER_TESS_CTRL:
- // XXX: NOS
- break;
- case MESA_SHADER_TESS_EVAL:
- // XXX: NOS
- break;
- case MESA_SHADER_GEOMETRY:
- // XXX: NOS
- break;
- case MESA_SHADER_FRAGMENT:
- ish->nos |= IRIS_NOS_FRAMEBUFFER |
- IRIS_NOS_DEPTH_STENCIL_ALPHA |
- IRIS_NOS_RASTERIZER |
- IRIS_NOS_BLEND;
- break;
- case MESA_SHADER_COMPUTE:
- // XXX: NOS
- break;
- default:
- break;
- }
-
- return ish;
+ void *p = NULL;
+ u_upload_alloc(uploader, 0, size, alignment, &ref->offset, &ref->res, &p);
+ return p;
}
-static void
-iris_delete_shader_state(struct pipe_context *ctx, void *state)
+void
+iris_upload_ubo_ssbo_surf_state(struct iris_context *ice,
+ struct pipe_shader_buffer *buf,
+ struct iris_state_ref *surf_state,
+ bool ssbo)
{
- struct iris_uncompiled_shader *ish = state;
+ struct pipe_context *ctx = &ice->ctx;
+ struct iris_screen *screen = (struct iris_screen *) ctx->screen;
+
+ // XXX: these are not retained forever, use a separate uploader?
+ void *map =
+ upload_state(ice->state.surface_uploader, surf_state,
+ screen->isl_dev.ss.size, 64);
+ if (!unlikely(map)) {
+ surf_state->res = NULL;
+ return;
+ }
- ralloc_free(ish->base.ir.nir);
- free(ish);
+ struct iris_resource *res = (void *) buf->buffer;
+ struct iris_bo *surf_bo = iris_resource_bo(surf_state->res);
+ surf_state->offset += iris_bo_offset_from_base_address(surf_bo);
+
+ isl_buffer_fill_state(&screen->isl_dev, map,
+ .address = res->bo->gtt_offset + res->offset +
+ buf->buffer_offset,
+ .size_B = buf->buffer_size - res->offset,
+ .format = ssbo ? ISL_FORMAT_RAW
+ : ISL_FORMAT_R32G32B32A32_FLOAT,
+ .swizzle = ISL_SWIZZLE_IDENTITY,
+ .stride_B = 1,
+ .mocs = ice->vtbl.mocs(res->bo));
}
-static void
-bind_state(struct iris_context *ice,
- struct iris_uncompiled_shader *ish,
- gl_shader_stage stage)
+static nir_ssa_def *
+get_aoa_deref_offset(nir_builder *b,
+ nir_deref_instr *deref,
+ unsigned elem_size)
{
- uint64_t dirty_bit = IRIS_DIRTY_UNCOMPILED_VS << stage;
- const uint64_t nos = ish ? ish->nos : 0;
+ unsigned array_size = elem_size;
+ nir_ssa_def *offset = nir_imm_int(b, 0);
- ice->shaders.uncompiled[stage] = ish;
- ice->state.dirty |= dirty_bit;
+ while (deref->deref_type != nir_deref_type_var) {
+ assert(deref->deref_type == nir_deref_type_array);
- for (int i = 0; i < IRIS_NOS_COUNT; i++) {
- if (nos & (1 << i))
- ice->state.dirty_for_nos[i] |= dirty_bit;
- else
- ice->state.dirty_for_nos[i] &= ~dirty_bit;
- }
-}
+ /* This level's element size is the previous level's array size */
+ nir_ssa_def *index = nir_ssa_for_src(b, deref->arr.index, 1);
+ assert(deref->arr.index.ssa);
+ offset = nir_iadd(b, offset,
+ nir_imul(b, index, nir_imm_int(b, array_size)));
-static void
-iris_bind_vs_state(struct pipe_context *ctx, void *state)
-{
- bind_state((void *) ctx, state, MESA_SHADER_VERTEX);
-}
+ deref = nir_deref_instr_parent(deref);
+ assert(glsl_type_is_array(deref->type));
+ array_size *= glsl_get_length(deref->type);
+ }
-static void
-iris_bind_tcs_state(struct pipe_context *ctx, void *state)
-{
- bind_state((void *) ctx, state, MESA_SHADER_TESS_CTRL);
+ /* 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 void
-iris_bind_tes_state(struct pipe_context *ctx, void *state)
+iris_lower_storage_image_derefs(nir_shader *nir)
{
- struct iris_context *ice = (struct iris_context *)ctx;
-
- if (!!state != !!ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL])
- ice->state.dirty |= IRIS_DIRTY_URB;
+ nir_function_impl *impl = nir_shader_get_entrypoint(nir);
+
+ nir_builder b;
+ nir_builder_init(&b, impl);
+
+ 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);
+ switch (intrin->intrinsic) {
+ case nir_intrinsic_image_deref_load:
+ case nir_intrinsic_image_deref_store:
+ case nir_intrinsic_image_deref_atomic_add:
+ case nir_intrinsic_image_deref_atomic_min:
+ case nir_intrinsic_image_deref_atomic_max:
+ case nir_intrinsic_image_deref_atomic_and:
+ case nir_intrinsic_image_deref_atomic_or:
+ case nir_intrinsic_image_deref_atomic_xor:
+ case nir_intrinsic_image_deref_atomic_exchange:
+ case nir_intrinsic_image_deref_atomic_comp_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_ssa_def *index =
+ nir_iadd(&b, nir_imm_int(&b, var->data.driver_location),
+ get_aoa_deref_offset(&b, deref, 1));
+ nir_rewrite_image_intrinsic(intrin, index, false);
+ break;
+ }
- bind_state((void *) ctx, state, MESA_SHADER_TESS_EVAL);
+ default:
+ break;
+ }
+ }
+ }
}
+// XXX: need unify_interfaces() at link time...
+
+/**
+ * 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 brw_vue_map.c for the layout.
+ */
static void
-iris_bind_gs_state(struct pipe_context *ctx, void *state)
+update_so_info(struct pipe_stream_output_info *so_info,
+ uint64_t outputs_written)
{
- struct iris_context *ice = (struct iris_context *)ctx;
-
- if (!!state != !!ice->shaders.uncompiled[MESA_SHADER_GEOMETRY])
- ice->state.dirty |= IRIS_DIRTY_URB;
+ uint8_t reverse_map[64] = {};
+ unsigned slot = 0;
+ while (outputs_written) {
+ reverse_map[slot++] = u_bit_scan64(&outputs_written);
+ }
- bind_state((void *) ctx, state, MESA_SHADER_GEOMETRY);
-}
+ 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;
+ }
-static void
-iris_bind_fs_state(struct pipe_context *ctx, void *state)
-{
- bind_state((void *) ctx, state, MESA_SHADER_FRAGMENT);
+ //info->outputs_written |= 1ull << output->register_index;
+ }
}
/**
assign_common_binding_table_offsets(const struct gen_device_info *devinfo,
const struct nir_shader *nir,
struct brw_stage_prog_data *prog_data,
- uint32_t next_binding_table_offset)
+ uint32_t next_binding_table_offset,
+ unsigned num_system_values,
+ unsigned num_cbufs)
{
const struct shader_info *info = &nir->info;
- if (info->num_textures) {
+ unsigned num_textures = util_last_bit(info->textures_used);
+
+ if (num_textures) {
prog_data->binding_table.texture_start = next_binding_table_offset;
prog_data->binding_table.gather_texture_start = next_binding_table_offset;
- next_binding_table_offset += info->num_textures;
+ next_binding_table_offset += num_textures;
} else {
prog_data->binding_table.texture_start = 0xd0d0d0d0;
prog_data->binding_table.gather_texture_start = 0xd0d0d0d0;
}
- int num_ubos = info->num_ubos + (nir->num_uniforms > 0 ? 1 : 0);
+ if (info->num_images) {
+ prog_data->binding_table.image_start = next_binding_table_offset;
+ next_binding_table_offset += info->num_images;
+ } else {
+ prog_data->binding_table.image_start = 0xd0d0d0d0;
+ }
+
+ /* Allocate a slot in the UBO section for NIR constants if present.
+ * We don't include them in iris_compiled_shader::num_cbufs because
+ * they are uploaded separately from shs->constbuf[], but from a shader
+ * point of view, they're another UBO (at the end of the section).
+ */
+ if (nir->constant_data_size > 0)
+ num_cbufs++;
- if (num_ubos) {
+ if (num_cbufs) {
//assert(info->num_ubos <= BRW_MAX_UBO);
prog_data->binding_table.ubo_start = next_binding_table_offset;
- next_binding_table_offset += num_ubos;
+ next_binding_table_offset += num_cbufs;
} else {
prog_data->binding_table.ubo_start = 0xd0d0d0d0;
}
if (info->num_ssbos || info->num_abos) {
- //assert(info->num_abos <= BRW_MAX_ABO);
- //assert(info->num_ssbos <= BRW_MAX_SSBO);
prog_data->binding_table.ssbo_start = next_binding_table_offset;
- next_binding_table_offset += info->num_abos + info->num_ssbos;
+ // XXX: see iris_state "wasting 16 binding table slots for ABOs" comment
+ next_binding_table_offset += IRIS_MAX_ABOS + info->num_ssbos;
} else {
prog_data->binding_table.ssbo_start = 0xd0d0d0d0;
}
prog_data->binding_table.shader_time_start = 0xd0d0d0d0;
- if (info->num_images) {
- prog_data->binding_table.image_start = next_binding_table_offset;
- next_binding_table_offset += info->num_images;
- } else {
- prog_data->binding_table.image_start = 0xd0d0d0d0;
- }
-
- /* This may or may not be used depending on how the compile goes. */
- prog_data->binding_table.pull_constants_start = next_binding_table_offset;
- next_binding_table_offset++;
-
/* Plane 0 is just the regular texture section */
prog_data->binding_table.plane_start[0] = prog_data->binding_table.texture_start;
prog_data->binding_table.plane_start[1] = next_binding_table_offset;
- next_binding_table_offset += info->num_textures;
+ next_binding_table_offset += num_textures;
prog_data->binding_table.plane_start[2] = next_binding_table_offset;
- next_binding_table_offset += info->num_textures;
+ next_binding_table_offset += num_textures;
- /* prog_data->base.binding_table.size will be set by brw_mark_surface_used. */
+ /* Set the binding table size */
+ prog_data->binding_table.size_bytes = next_binding_table_offset * 4;
- //assert(next_binding_table_offset <= BRW_MAX_SURFACES);
return next_binding_table_offset;
}
+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] = BRW_PARAM_IMAGE(idx, offset / sizeof(uint32_t) + i);
+
+ for (unsigned i = n; i < 4; ++i)
+ sysvals[i] = BRW_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
iris_setup_uniforms(const struct brw_compiler *compiler,
void *mem_ctx,
nir_shader *nir,
- struct brw_stage_prog_data *prog_data)
+ struct brw_stage_prog_data *prog_data,
+ enum brw_param_builtin **out_system_values,
+ unsigned *out_num_system_values,
+ unsigned *out_num_cbufs)
{
- prog_data->nr_params = nir->num_uniforms;
- prog_data->param = rzalloc_array(mem_ctx, uint32_t, prog_data->nr_params);
+ UNUSED const struct gen_device_info *devinfo = compiler->devinfo;
+
+ /* The intel compiler assumes that num_uniforms is in bytes. For
+ * scalar that means 4 bytes per uniform slot.
+ *
+ * Ref: brw_nir_lower_uniforms, type_size_scalar_bytes.
+ */
+ nir->num_uniforms *= 4;
+
+ const unsigned IRIS_MAX_SYSTEM_VALUES =
+ PIPE_MAX_SHADER_IMAGES * BRW_IMAGE_PARAM_SIZE;
+ enum brw_param_builtin *system_values =
+ rzalloc_array(mem_ctx, enum brw_param_builtin, IRIS_MAX_SYSTEM_VALUES);
+ unsigned num_system_values = 0;
+
+ unsigned patch_vert_idx = -1;
+ unsigned ucp_idx[IRIS_MAX_CLIP_PLANES];
+ unsigned img_idx[PIPE_MAX_SHADER_IMAGES];
+ 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_init(&b, impl);
+
+ b.cursor = nir_before_block(nir_start_block(impl));
+ nir_ssa_def *temp_ubo_name = nir_ssa_undef(&b, 1, 32);
+ nir_ssa_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_ssa_def *offset;
+
+ switch (intrin->intrinsic) {
+ 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_ssa_def *offset =
+ nir_iadd_imm(&b, nir_ssa_for_src(&b, intrin->src[0], 1),
+ 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_ssa_dest_init(&load_ubo->instr, &load_ubo->dest,
+ intrin->dest.ssa.num_components,
+ intrin->dest.ssa.bit_size,
+ intrin->dest.ssa.name);
+ nir_builder_instr_insert(&b, &load_ubo->instr);
+
+ nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
+ nir_src_for_ssa(&load_ubo->dest.ssa));
+ nir_instr_remove(&intrin->instr);
+ 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] =
+ BRW_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] =
+ BRW_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_image_deref_load_param_intel: {
+ assert(devinfo->gen < 9);
+ nir_deref_instr *deref = nir_src_as_deref(intrin->src[0]);
+ nir_variable *var = nir_deref_instr_get_variable(deref);
+
+ /* XXX: var->data.binding is not set properly. We need to run
+ * some form of gl_nir_lower_samplers_as_deref() to get it.
+ * This breaks tests which use more than one image.
+ */
+ 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 += BRW_IMAGE_PARAM_SIZE;
+
+ uint32_t *img_sv = &system_values[img_idx[img]];
+
+ setup_vec4_image_sysval(
+ img_sv + BRW_IMAGE_PARAM_OFFSET_OFFSET, img,
+ offsetof(struct brw_image_param, offset), 2);
+ setup_vec4_image_sysval(
+ img_sv + BRW_IMAGE_PARAM_SIZE_OFFSET, img,
+ offsetof(struct brw_image_param, size), 3);
+ setup_vec4_image_sysval(
+ img_sv + BRW_IMAGE_PARAM_STRIDE_OFFSET, img,
+ offsetof(struct brw_image_param, stride), 4);
+ setup_vec4_image_sysval(
+ img_sv + BRW_IMAGE_PARAM_TILING_OFFSET, img,
+ offsetof(struct brw_image_param, tiling), 3);
+ setup_vec4_image_sysval(
+ img_sv + BRW_IMAGE_PARAM_SWIZZLING_OFFSET, img,
+ offsetof(struct brw_image_param, swizzling), 2);
+ }
+ }
+
+ b.cursor = nir_before_instr(instr);
+ offset = nir_iadd(&b,
+ get_aoa_deref_offset(&b, deref, BRW_IMAGE_PARAM_SIZE * 4),
+ nir_imm_int(&b, img_idx[var->data.binding] * 4 +
+ nir_intrinsic_base(intrin) * 16));
+ break;
+ }
+ default:
+ continue;
+ }
- nir_foreach_variable(var, &nir->uniforms) {
- const unsigned components = glsl_get_components(var->type);
+ 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_ssa_dest_init(&load->instr, &load->dest, comps, 32, NULL);
+ nir_builder_instr_insert(&b, &load->instr);
+ nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
+ nir_src_for_ssa(&load->dest.ssa));
+ nir_instr_remove(instr);
+ }
+ }
+
+ nir_validate_shader(nir, "before remapping");
+
+ /* Place the new params at the front of constant buffer 0. */
+ if (num_system_values > 0) {
+ nir->num_uniforms += num_system_values * sizeof(uint32_t);
+
+ system_values = reralloc(mem_ctx, system_values, enum brw_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;
- for (unsigned i = 0; i < components; i++) {
- prog_data->param[var->data.driver_location] =
- var->data.driver_location;
+ b.cursor = nir_before_instr(instr);
+
+ assert(load->src[0].is_ssa);
+
+ if (load->src[0].ssa == temp_ubo_name) {
+ nir_instr_rewrite_src(instr, &load->src[0],
+ nir_src_for_ssa(nir_imm_int(&b, 0)));
+ } else if (nir_src_is_const(load->src[0]) &&
+ nir_src_as_uint(load->src[0]) == 0) {
+ nir_ssa_def *offset =
+ nir_iadd(&b, load->src[1].ssa,
+ nir_imm_int(&b, 4 * num_system_values));
+ nir_instr_rewrite_src(instr, &load->src[1],
+ nir_src_for_ssa(offset));
+ }
+ }
}
+
+ /* We need to fold the new iadds for brw_nir_analyze_ubo_ranges */
+ nir_opt_constant_folding(nir);
+ } else {
+ ralloc_free(system_values);
+ system_values = NULL;
+ }
+
+ nir_validate_shader(nir, "after remap");
+
+ if (nir->info.stage != MESA_SHADER_COMPUTE)
+ brw_nir_analyze_ubo_ranges(compiler, nir, NULL, prog_data->ubo_ranges);
+
+ /* We don't use params[], but fs_visitor::nir_setup_uniforms() asserts
+ * about it for compute shaders, so go ahead and make some fake ones
+ * which the backend will dead code eliminate.
+ */
+ prog_data->nr_params = nir->num_uniforms / 4;
+ prog_data->param = rzalloc_array(mem_ctx, uint32_t, prog_data->nr_params);
+
+ /* System values and 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 || num_system_values || nir->num_uniforms)
+ num_cbufs++;
+
+ /* 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;
}
- // XXX: vs clip planes?
- brw_nir_analyze_ubo_ranges(compiler, nir, NULL, prog_data->ubo_ranges);
+ *out_system_values = system_values;
+ *out_num_system_values = num_system_values;
+ *out_num_cbufs = num_cbufs;
}
static void
-iris_setup_push_uniform_range(const struct brw_compiler *compiler,
- struct brw_stage_prog_data *prog_data)
+iris_debug_recompile(struct iris_context *ice,
+ struct shader_info *info,
+ unsigned program_string_id,
+ const void *key)
{
- if (prog_data->nr_params) {
- for (int i = 3; i > 0; i--)
- prog_data->ubo_ranges[i] = prog_data->ubo_ranges[i - 1];
+ struct iris_screen *screen = (struct iris_screen *) ice->ctx.screen;
+ const struct brw_compiler *c = screen->compiler;
- prog_data->ubo_ranges[0] = (struct brw_ubo_range) {
- .block = 0,
- .start = 0,
- .length = DIV_ROUND_UP(prog_data->nr_params, 8),
- };
- }
+ if (!info)
+ return;
+
+ c->shader_perf_log(&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 =
+ iris_find_previous_compile(ice, info->stage, program_string_id);
+
+ brw_debug_key_recompile(c, &ice->dbg, info->stage, old_key, key);
}
-static bool
+
+/**
+ * Compile a vertex shader, and upload the assembly.
+ */
+static struct iris_compiled_shader *
iris_compile_vs(struct iris_context *ice,
struct iris_uncompiled_shader *ish,
const struct brw_vs_prog_key *key)
rzalloc(mem_ctx, struct brw_vs_prog_data);
struct brw_vue_prog_data *vue_prog_data = &vs_prog_data->base;
struct brw_stage_prog_data *prog_data = &vue_prog_data->base;
+ enum brw_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_vs(nir, (1 << key->nr_userclip_plane_consts) - 1, true);
+ nir_lower_io_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);
+ }
- assert(ish->base.type == PIPE_SHADER_IR_NIR);
-
- nir_shader *nir = ish->base.ir.nir;
+ prog_data->use_alt_mode = ish->use_alt_mode;
- // XXX: alt mode
- assign_common_binding_table_offsets(devinfo, nir, prog_data, 0);
+ iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
+ &num_system_values, &num_cbufs);
- iris_setup_uniforms(compiler, mem_ctx, nir, prog_data);
+ assign_common_binding_table_offsets(devinfo, nir, prog_data, 0,
+ num_system_values, num_cbufs);
brw_compute_vue_map(devinfo,
&vue_prog_data->vue_map, nir->info.outputs_written,
nir->info.separate_shader);
+ /* 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 brw_vs_prog_key key_no_ucp = *key;
+ key_no_ucp.nr_userclip_plane_consts = 0;
+
char *error_str = NULL;
const unsigned *program =
- brw_compile_vs(compiler, &ice->dbg, mem_ctx, key, vs_prog_data,
+ brw_compile_vs(compiler, &ice->dbg, mem_ctx, &key_no_ucp, vs_prog_data,
nir, -1, &error_str);
if (program == NULL) {
dbg_printf("Failed to compile vertex shader: %s\n", error_str);
return false;
}
- iris_setup_push_uniform_range(compiler, prog_data);
+ if (ish->compiled_once) {
+ iris_debug_recompile(ice, &nir->info, key->program_string_id, key);
+ } else {
+ ish->compiled_once = true;
+ }
uint32_t *so_decls =
- ice->vtbl.create_so_decl_list(&ish->base.stream_output,
+ ice->vtbl.create_so_decl_list(&ish->stream_output,
&vue_prog_data->vue_map);
- iris_upload_and_bind_shader(ice, IRIS_CACHE_VS, key, program, prog_data,
- so_decls);
+ struct iris_compiled_shader *shader =
+ iris_upload_shader(ice, IRIS_CACHE_VS, sizeof(*key), key, program,
+ prog_data, so_decls, system_values, num_system_values,
+ num_cbufs);
+
+ iris_disk_cache_store(screen->disk_cache, ish, shader, key, sizeof(*key));
ralloc_free(mem_ctx);
- return true;
+ return shader;
}
+/**
+ * Update the current vertex shader variant.
+ *
+ * Fill out the key, look in the cache, compile and bind if needed.
+ */
static void
iris_update_compiled_vs(struct iris_context *ice)
{
struct iris_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_VERTEX];
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
- struct brw_vs_prog_key key = { .program_string_id = ish->program_id };
- ice->vtbl.populate_vs_key(ice, &key);
-
- if (iris_bind_cached_shader(ice, IRIS_CACHE_VS, &key))
- return;
+ struct brw_vs_prog_key key = { KEY_INIT(devinfo->gen) };
+ ice->vtbl.populate_vs_key(ice, &ish->nir->info, &key);
+
+ struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_VS];
+ struct iris_compiled_shader *shader =
+ iris_find_cached_shader(ice, IRIS_CACHE_VS, sizeof(key), &key);
+
+ if (!shader)
+ shader = iris_disk_cache_retrieve(ice, ish, &key, sizeof(key));
+
+ if (!shader)
+ shader = iris_compile_vs(ice, ish, &key);
+
+ if (old != shader) {
+ ice->shaders.prog[IRIS_CACHE_VS] = shader;
+ ice->state.dirty |= IRIS_DIRTY_VS |
+ IRIS_DIRTY_BINDINGS_VS |
+ IRIS_DIRTY_CONSTANTS_VS |
+ IRIS_DIRTY_VF_SGVS;
+ const struct brw_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;
+ bool needs_edge_flag = false;
+ nir_foreach_variable(var, &ish->nir->inputs) {
+ if (var->data.location == VERT_ATTRIB_EDGEFLAG)
+ needs_edge_flag = true;
+ }
- UNUSED bool success = iris_compile_vs(ice, ish, &key);
+ 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 != needs_edge_flag) {
+ ice->state.dirty |= IRIS_DIRTY_VERTEX_BUFFERS |
+ IRIS_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 = needs_edge_flag;
+ }
}
-static const struct shader_info *
-get_shader_info(const struct iris_context *ice, gl_shader_stage stage)
+/**
+ * Get the shader_info for a given stage, or NULL if the stage is disabled.
+ */
+const struct shader_info *
+iris_get_shader_info(const struct iris_context *ice, gl_shader_stage stage)
{
const struct iris_uncompiled_shader *ish = ice->shaders.uncompiled[stage];
if (!ish)
return NULL;
- const nir_shader *nir = ish->base.ir.nir;
+ const nir_shader *nir = ish->nir;
return &nir->info;
}
uint64_t *per_vertex_slots,
uint32_t *per_patch_slots)
{
- const struct shader_info *tcs = get_shader_info(ice, MESA_SHADER_TESS_CTRL);
- const struct shader_info *tes = get_shader_info(ice, MESA_SHADER_TESS_EVAL);
+ const struct shader_info *tcs =
+ iris_get_shader_info(ice, MESA_SHADER_TESS_CTRL);
+ const struct shader_info *tes =
+ iris_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->inputs_read;
- *per_patch_slots |= tcs->patch_inputs_read;
+ *per_vertex_slots |= tcs->outputs_written;
+ *per_patch_slots |= tcs->patch_outputs_written;
}
}
-static bool
+/**
+ * Compile a tessellation control shader, and upload the assembly.
+ */
+static struct iris_compiled_shader *
iris_compile_tcs(struct iris_context *ice,
struct iris_uncompiled_shader *ish,
const struct brw_tcs_prog_key *key)
{
struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
const struct brw_compiler *compiler = screen->compiler;
+ const struct nir_shader_compiler_options *options =
+ compiler->glsl_compiler_options[MESA_SHADER_TESS_CTRL].NirOptions;
const struct gen_device_info *devinfo = &screen->devinfo;
void *mem_ctx = ralloc_context(NULL);
struct brw_tcs_prog_data *tcs_prog_data =
rzalloc(mem_ctx, struct brw_tcs_prog_data);
struct brw_vue_prog_data *vue_prog_data = &tcs_prog_data->base;
struct brw_stage_prog_data *prog_data = &vue_prog_data->base;
+ enum brw_param_builtin *system_values = NULL;
+ unsigned num_system_values = 0;
+ unsigned num_cbufs = 0;
- assert(ish->base.type == PIPE_SHADER_IR_NIR);
+ nir_shader *nir;
- nir_shader *nir = ish->base.ir.nir;
+ if (ish) {
+ nir = nir_shader_clone(mem_ctx, ish->nir);
- assign_common_binding_table_offsets(devinfo, nir, prog_data, 0);
+ iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
+ &num_system_values, &num_cbufs);
+ assign_common_binding_table_offsets(devinfo, nir, prog_data, 0,
+ num_system_values, num_cbufs);
+ } else {
+ nir = brw_nir_create_passthrough_tcs(mem_ctx, compiler, options, key);
+
+ /* Reserve space for passing the default tess levels as constants. */
+ num_system_values = 8;
+ system_values =
+ rzalloc_array(mem_ctx, enum brw_param_builtin, num_system_values);
+ prog_data->param = rzalloc_array(mem_ctx, uint32_t, num_system_values);
+ prog_data->nr_params = num_system_values;
+
+ if (key->tes_primitive_mode == GL_QUADS) {
+ for (int i = 0; i < 4; i++)
+ system_values[7 - i] = BRW_PARAM_BUILTIN_TESS_LEVEL_OUTER_X + i;
+
+ system_values[3] = BRW_PARAM_BUILTIN_TESS_LEVEL_INNER_X;
+ system_values[2] = BRW_PARAM_BUILTIN_TESS_LEVEL_INNER_Y;
+ } else if (key->tes_primitive_mode == GL_TRIANGLES) {
+ for (int i = 0; i < 3; i++)
+ system_values[7 - i] = BRW_PARAM_BUILTIN_TESS_LEVEL_OUTER_X + i;
+
+ system_values[4] = BRW_PARAM_BUILTIN_TESS_LEVEL_INNER_X;
+ } else {
+ assert(key->tes_primitive_mode == GL_ISOLINES);
+ system_values[7] = BRW_PARAM_BUILTIN_TESS_LEVEL_OUTER_Y;
+ system_values[6] = BRW_PARAM_BUILTIN_TESS_LEVEL_OUTER_X;
+ }
- iris_setup_uniforms(compiler, mem_ctx, nir, prog_data);
+ prog_data->ubo_ranges[0].length = 1;
+ }
char *error_str = NULL;
const unsigned *program =
brw_compile_tcs(compiler, &ice->dbg, mem_ctx, key, tcs_prog_data, nir,
-1, &error_str);
if (program == NULL) {
- dbg_printf("Failed to compile evaluation shader: %s\n", error_str);
+ dbg_printf("Failed to compile control shader: %s\n", error_str);
ralloc_free(mem_ctx);
return false;
}
- iris_setup_push_uniform_range(compiler, prog_data);
+ if (ish) {
+ if (ish->compiled_once) {
+ iris_debug_recompile(ice, &nir->info, key->program_string_id, key);
+ } else {
+ ish->compiled_once = true;
+ }
+ }
+
+ struct iris_compiled_shader *shader =
+ iris_upload_shader(ice, IRIS_CACHE_TCS, sizeof(*key), key, program,
+ prog_data, NULL, system_values, num_system_values,
+ num_cbufs);
- iris_upload_and_bind_shader(ice, IRIS_CACHE_TCS, key, program, prog_data,
- NULL);
+ if (ish)
+ iris_disk_cache_store(screen->disk_cache, ish, shader, key, sizeof(*key));
ralloc_free(mem_ctx);
- return true;
+ return shader;
}
+/**
+ * Update the current tessellation control shader variant.
+ *
+ * Fill out the key, look in the cache, compile and bind if needed.
+ */
static void
iris_update_compiled_tcs(struct iris_context *ice)
{
struct iris_uncompiled_shader *tcs =
ice->shaders.uncompiled[MESA_SHADER_TESS_CTRL];
-
- if (!tcs)
- return;
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
const struct shader_info *tes_info =
- get_shader_info(ice, MESA_SHADER_TESS_EVAL);
+ iris_get_shader_info(ice, MESA_SHADER_TESS_EVAL);
struct brw_tcs_prog_key key = {
- .program_string_id = tcs->program_id,
+ KEY_INIT_NO_ID(devinfo->gen),
+ .program_string_id = tcs ? tcs->program_id : 0,
.tes_primitive_mode = tes_info->tess.primitive_mode,
+ .input_vertices = ice->state.vertices_per_patch,
};
get_unified_tess_slots(ice, &key.outputs_written,
&key.patch_outputs_written);
ice->vtbl.populate_tcs_key(ice, &key);
- if (iris_bind_cached_shader(ice, IRIS_CACHE_TCS, &key))
- return;
+ struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_TCS];
+ struct iris_compiled_shader *shader =
+ iris_find_cached_shader(ice, IRIS_CACHE_TCS, sizeof(key), &key);
+
+ if (tcs && !shader)
+ shader = iris_disk_cache_retrieve(ice, tcs, &key, sizeof(key));
- UNUSED bool success = iris_compile_tcs(ice, tcs, &key);
+ if (!shader)
+ shader = iris_compile_tcs(ice, tcs, &key);
+
+ if (old != shader) {
+ ice->shaders.prog[IRIS_CACHE_TCS] = shader;
+ ice->state.dirty |= IRIS_DIRTY_TCS |
+ IRIS_DIRTY_BINDINGS_TCS |
+ IRIS_DIRTY_CONSTANTS_TCS;
+ }
}
-static bool
+/**
+ * Compile a tessellation evaluation shader, and upload the assembly.
+ */
+static struct iris_compiled_shader *
iris_compile_tes(struct iris_context *ice,
struct iris_uncompiled_shader *ish,
const struct brw_tes_prog_key *key)
rzalloc(mem_ctx, struct brw_tes_prog_data);
struct brw_vue_prog_data *vue_prog_data = &tes_prog_data->base;
struct brw_stage_prog_data *prog_data = &vue_prog_data->base;
+ enum brw_param_builtin *system_values;
+ unsigned num_system_values;
+ unsigned num_cbufs;
- assert(ish->base.type == PIPE_SHADER_IR_NIR);
-
- nir_shader *nir = ish->base.ir.nir;
+ nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
- assign_common_binding_table_offsets(devinfo, nir, prog_data, 0);
+ iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
+ &num_system_values, &num_cbufs);
- iris_setup_uniforms(compiler, mem_ctx, nir, prog_data);
+ assign_common_binding_table_offsets(devinfo, nir, prog_data, 0,
+ num_system_values, num_cbufs);
struct brw_vue_map input_vue_map;
brw_compute_tess_vue_map(&input_vue_map, key->inputs_read,
return false;
}
- iris_setup_push_uniform_range(compiler, prog_data);
+ if (ish->compiled_once) {
+ iris_debug_recompile(ice, &nir->info, key->program_string_id, key);
+ } else {
+ ish->compiled_once = true;
+ }
uint32_t *so_decls =
- ice->vtbl.create_so_decl_list(&ish->base.stream_output,
+ ice->vtbl.create_so_decl_list(&ish->stream_output,
&vue_prog_data->vue_map);
- iris_upload_and_bind_shader(ice, IRIS_CACHE_TES, key, program, prog_data,
- so_decls);
+
+ struct iris_compiled_shader *shader =
+ iris_upload_shader(ice, IRIS_CACHE_TES, sizeof(*key), key, program,
+ prog_data, so_decls, system_values, num_system_values,
+ num_cbufs);
+
+ iris_disk_cache_store(screen->disk_cache, ish, shader, key, sizeof(*key));
ralloc_free(mem_ctx);
- return true;
+ return shader;
}
+/**
+ * Update the current tessellation evaluation shader variant.
+ *
+ * Fill out the key, look in the cache, compile and bind if needed.
+ */
static void
iris_update_compiled_tes(struct iris_context *ice)
{
struct iris_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL];
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
- if (!ish)
- return;
-
- struct brw_tes_prog_key key = { .program_string_id = ish->program_id };
+ struct brw_tes_prog_key key = { KEY_INIT(devinfo->gen) };
get_unified_tess_slots(ice, &key.inputs_read, &key.patch_inputs_read);
ice->vtbl.populate_tes_key(ice, &key);
- if (iris_bind_cached_shader(ice, IRIS_CACHE_TES, &key))
- return;
+ struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_TES];
+ struct iris_compiled_shader *shader =
+ iris_find_cached_shader(ice, IRIS_CACHE_TES, sizeof(key), &key);
+
+ if (!shader)
+ shader = iris_disk_cache_retrieve(ice, ish, &key, sizeof(key));
+
+ if (!shader)
+ shader = iris_compile_tes(ice, ish, &key);
+
+ if (old != shader) {
+ ice->shaders.prog[IRIS_CACHE_TES] = shader;
+ ice->state.dirty |= IRIS_DIRTY_TES |
+ IRIS_DIRTY_BINDINGS_TES |
+ IRIS_DIRTY_CONSTANTS_TES;
+ }
- UNUSED bool success = iris_compile_tes(ice, ish, &key);
+ /* TODO: Could compare and avoid flagging this. */
+ const struct shader_info *tes_info = &ish->nir->info;
+ if (tes_info->system_values_read & (1ull << SYSTEM_VALUE_VERTICES_IN)) {
+ ice->state.dirty |= IRIS_DIRTY_CONSTANTS_TES;
+ ice->state.shaders[MESA_SHADER_TESS_EVAL].cbuf0_needs_upload = true;
+ }
}
-static bool
+/**
+ * Compile a geometry shader, and upload the assembly.
+ */
+static struct iris_compiled_shader *
iris_compile_gs(struct iris_context *ice,
struct iris_uncompiled_shader *ish,
const struct brw_gs_prog_key *key)
rzalloc(mem_ctx, struct brw_gs_prog_data);
struct brw_vue_prog_data *vue_prog_data = &gs_prog_data->base;
struct brw_stage_prog_data *prog_data = &vue_prog_data->base;
+ enum brw_param_builtin *system_values;
+ unsigned num_system_values;
+ unsigned num_cbufs;
- assert(ish->base.type == PIPE_SHADER_IR_NIR);
-
- nir_shader *nir = ish->base.ir.nir;
+ nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
- assign_common_binding_table_offsets(devinfo, nir, prog_data, 0);
+ iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
+ &num_system_values, &num_cbufs);
- iris_setup_uniforms(compiler, mem_ctx, nir, prog_data);
+ assign_common_binding_table_offsets(devinfo, nir, prog_data, 0,
+ num_system_values, num_cbufs);
brw_compute_vue_map(devinfo,
&vue_prog_data->vue_map, nir->info.outputs_written,
return false;
}
- iris_setup_push_uniform_range(compiler, prog_data);
+ if (ish->compiled_once) {
+ iris_debug_recompile(ice, &nir->info, key->program_string_id, key);
+ } else {
+ ish->compiled_once = true;
+ }
uint32_t *so_decls =
- ice->vtbl.create_so_decl_list(&ish->base.stream_output,
+ ice->vtbl.create_so_decl_list(&ish->stream_output,
&vue_prog_data->vue_map);
- iris_upload_and_bind_shader(ice, IRIS_CACHE_GS, key, program, prog_data,
- so_decls);
+ struct iris_compiled_shader *shader =
+ iris_upload_shader(ice, IRIS_CACHE_GS, sizeof(*key), key, program,
+ prog_data, so_decls, system_values, num_system_values,
+ num_cbufs);
+
+ iris_disk_cache_store(screen->disk_cache, ish, shader, key, sizeof(*key));
ralloc_free(mem_ctx);
- return true;
+ return shader;
}
-
+/**
+ * Update the current geometry shader variant.
+ *
+ * Fill out the key, look in the cache, compile and bind if needed.
+ */
static void
iris_update_compiled_gs(struct iris_context *ice)
{
struct iris_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_GEOMETRY];
+ struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_GS];
+ struct iris_compiled_shader *shader = NULL;
- if (!ish)
- return;
+ if (ish) {
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_gs_prog_key key = { KEY_INIT(devinfo->gen) };
+ ice->vtbl.populate_gs_key(ice, &key);
- struct brw_gs_prog_key key = { .program_string_id = ish->program_id };
- ice->vtbl.populate_gs_key(ice, &key);
+ shader =
+ iris_find_cached_shader(ice, IRIS_CACHE_GS, sizeof(key), &key);
- if (iris_bind_cached_shader(ice, IRIS_CACHE_GS, &key))
- return;
+ if (!shader)
+ shader = iris_disk_cache_retrieve(ice, ish, &key, sizeof(key));
- UNUSED bool success = iris_compile_gs(ice, ish, &key);
+ if (!shader)
+ shader = iris_compile_gs(ice, ish, &key);
+ }
+
+ if (old != shader) {
+ ice->shaders.prog[IRIS_CACHE_GS] = shader;
+ ice->state.dirty |= IRIS_DIRTY_GS |
+ IRIS_DIRTY_BINDINGS_GS |
+ IRIS_DIRTY_CONSTANTS_GS;
+ }
}
-static bool
+/**
+ * Compile a fragment (pixel) shader, and upload the assembly.
+ */
+static struct iris_compiled_shader *
iris_compile_fs(struct iris_context *ice,
struct iris_uncompiled_shader *ish,
const struct brw_wm_prog_key *key,
struct brw_wm_prog_data *fs_prog_data =
rzalloc(mem_ctx, struct brw_wm_prog_data);
struct brw_stage_prog_data *prog_data = &fs_prog_data->base;
+ enum brw_param_builtin *system_values;
+ unsigned num_system_values;
+ unsigned num_cbufs;
- assert(ish->base.type == PIPE_SHADER_IR_NIR);
+ nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
- nir_shader *nir = ish->base.ir.nir;
-
- // XXX: alt mode
- assign_common_binding_table_offsets(devinfo, nir, prog_data,
- MAX2(key->nr_color_regions, 1));
+ prog_data->use_alt_mode = ish->use_alt_mode;
- iris_setup_uniforms(compiler, mem_ctx, nir, prog_data);
+ iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
+ &num_system_values, &num_cbufs);
+ assign_common_binding_table_offsets(devinfo, nir, prog_data,
+ MAX2(key->nr_color_regions, 1),
+ num_system_values, num_cbufs);
char *error_str = NULL;
const unsigned *program =
brw_compile_fs(compiler, &ice->dbg, mem_ctx, key, fs_prog_data,
return false;
}
- //brw_alloc_stage_scratch(brw, &brw->wm.base, prog_data.base.total_scratch);
+ if (ish->compiled_once) {
+ iris_debug_recompile(ice, &nir->info, key->program_string_id, key);
+ } else {
+ ish->compiled_once = true;
+ }
- iris_setup_push_uniform_range(compiler, prog_data);
+ struct iris_compiled_shader *shader =
+ iris_upload_shader(ice, IRIS_CACHE_FS, sizeof(*key), key, program,
+ prog_data, NULL, system_values, num_system_values,
+ num_cbufs);
- iris_upload_and_bind_shader(ice, IRIS_CACHE_FS, key, program, prog_data,
- NULL);
+ iris_disk_cache_store(screen->disk_cache, ish, shader, key, sizeof(*key));
ralloc_free(mem_ctx);
- return true;
+ return shader;
}
+/**
+ * Update the current fragment shader variant.
+ *
+ * Fill out the key, look in the cache, compile and bind if needed.
+ */
static void
iris_update_compiled_fs(struct iris_context *ice)
{
struct iris_uncompiled_shader *ish =
ice->shaders.uncompiled[MESA_SHADER_FRAGMENT];
- struct brw_wm_prog_key key = { .program_string_id = ish->program_id };
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_wm_prog_key key = { KEY_INIT(devinfo->gen) };
ice->vtbl.populate_fs_key(ice, &key);
- if (iris_bind_cached_shader(ice, IRIS_CACHE_FS, &key))
- return;
-
- UNUSED bool success =
- iris_compile_fs(ice, ish, &key, ice->shaders.last_vue_map);
+ if (ish->nos & (1ull << IRIS_NOS_LAST_VUE_MAP))
+ key.input_slots_valid = ice->shaders.last_vue_map->slots_valid;
+
+ struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_FS];
+ struct iris_compiled_shader *shader =
+ iris_find_cached_shader(ice, IRIS_CACHE_FS, sizeof(key), &key);
+
+ if (!shader)
+ shader = iris_disk_cache_retrieve(ice, ish, &key, sizeof(key));
+
+ if (!shader)
+ shader = iris_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[IRIS_CACHE_FS] = shader;
+ ice->state.dirty |= IRIS_DIRTY_FS |
+ IRIS_DIRTY_BINDINGS_FS |
+ IRIS_DIRTY_CONSTANTS_FS |
+ IRIS_DIRTY_WM |
+ IRIS_DIRTY_CLIP |
+ IRIS_DIRTY_SBE;
+ }
}
-static struct iris_compiled_shader *
-last_vue_shader(struct iris_context *ice)
+/**
+ * Get the compiled 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 iris_context *ice)
{
if (ice->shaders.prog[MESA_SHADER_GEOMETRY])
- return ice->shaders.prog[MESA_SHADER_GEOMETRY];
+ return MESA_SHADER_GEOMETRY;
if (ice->shaders.prog[MESA_SHADER_TESS_EVAL])
- return ice->shaders.prog[MESA_SHADER_TESS_EVAL];
+ return MESA_SHADER_TESS_EVAL;
- return ice->shaders.prog[MESA_SHADER_VERTEX];
+ return MESA_SHADER_VERTEX;
}
+/**
+ * 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 iris_context *ice,
struct brw_stage_prog_data *prog_data)
(vue_map->slots_valid & VARYING_BIT_VIEWPORT) ? IRIS_MAX_VIEWPORTS : 1;
ice->state.dirty |= IRIS_DIRTY_CLIP |
IRIS_DIRTY_SF_CL_VIEWPORT |
+ IRIS_DIRTY_CC_VIEWPORT |
IRIS_DIRTY_SCISSOR_RECT |
- IRIS_DIRTY_UNCOMPILED_FS;
+ IRIS_DIRTY_UNCOMPILED_FS |
+ ice->state.dirty_for_nos[IRIS_NOS_LAST_VUE_MAP];
// XXX: CC_VIEWPORT?
}
ice->shaders.last_vue_map = &vue_prog_data->vue_map;
}
+/**
+ * Get the prog_data for a given stage, or NULL if the stage is disabled.
+ */
static struct brw_vue_prog_data *
get_vue_prog_data(struct iris_context *ice, gl_shader_stage stage)
{
return (void *) ice->shaders.prog[stage]->prog_data;
}
+// XXX: iris_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.
+ */
void
iris_update_compiled_shaders(struct iris_context *ice)
{
old_prog_datas[i] = get_vue_prog_data(ice, i);
}
+ if (dirty & (IRIS_DIRTY_UNCOMPILED_TCS | IRIS_DIRTY_UNCOMPILED_TES)) {
+ struct iris_uncompiled_shader *tes =
+ ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL];
+ if (tes) {
+ iris_update_compiled_tcs(ice);
+ iris_update_compiled_tes(ice);
+ } else {
+ ice->shaders.prog[IRIS_CACHE_TCS] = NULL;
+ ice->shaders.prog[IRIS_CACHE_TES] = NULL;
+ ice->state.dirty |=
+ IRIS_DIRTY_TCS | IRIS_DIRTY_TES |
+ IRIS_DIRTY_BINDINGS_TCS | IRIS_DIRTY_BINDINGS_TES |
+ IRIS_DIRTY_CONSTANTS_TCS | IRIS_DIRTY_CONSTANTS_TES;
+ }
+ }
+
if (dirty & IRIS_DIRTY_UNCOMPILED_VS)
iris_update_compiled_vs(ice);
- if (dirty & IRIS_DIRTY_UNCOMPILED_TCS)
- iris_update_compiled_tcs(ice);
- if (dirty & IRIS_DIRTY_UNCOMPILED_TES)
- iris_update_compiled_tes(ice);
if (dirty & IRIS_DIRTY_UNCOMPILED_GS)
iris_update_compiled_gs(ice);
- struct iris_compiled_shader *shader = last_vue_shader(ice);
+ if (dirty & (IRIS_DIRTY_UNCOMPILED_GS | IRIS_DIRTY_UNCOMPILED_TES)) {
+ const struct iris_compiled_shader *gs =
+ ice->shaders.prog[MESA_SHADER_GEOMETRY];
+ const struct iris_compiled_shader *tes =
+ ice->shaders.prog[MESA_SHADER_TESS_EVAL];
+
+ bool points_or_lines = false;
+
+ if (gs) {
+ const struct brw_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 brw_tes_prog_data *tes_data = (void *) tes->prog_data;
+ points_or_lines =
+ tes_data->output_topology == BRW_TESS_OUTPUT_TOPOLOGY_LINE ||
+ tes_data->output_topology == BRW_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 |= IRIS_DIRTY_CLIP;
+ }
+ }
+
+ gl_shader_stage last_stage = last_vue_stage(ice);
+ struct iris_compiled_shader *shader = ice->shaders.prog[last_stage];
+ struct iris_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 |= IRIS_DIRTY_SO_DECL_LIST | IRIS_DIRTY_STREAMOUT;
}
+ if (ice->state.streamout_active) {
+ for (int i = 0; i < PIPE_MAX_SO_BUFFERS; i++) {
+ struct iris_stream_output_target *so =
+ (void *) ice->state.so_target[i];
+ if (so)
+ so->stride = ish->stream_output.stride[i];
+ }
+ }
+
if (dirty & IRIS_DIRTY_UNCOMPILED_FS)
iris_update_compiled_fs(ice);
- // ...
+ /* Changing shader interfaces may require a URB configuration. */
if (!(dirty & IRIS_DIRTY_URB)) {
for (int i = MESA_SHADER_VERTEX; i <= MESA_SHADER_GEOMETRY; i++) {
struct brw_vue_prog_data *old = old_prog_datas[i];
}
}
+static struct iris_compiled_shader *
+iris_compile_cs(struct iris_context *ice,
+ struct iris_uncompiled_shader *ish,
+ const struct brw_cs_prog_key *key)
+{
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct brw_compiler *compiler = screen->compiler;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ void *mem_ctx = ralloc_context(NULL);
+ struct brw_cs_prog_data *cs_prog_data =
+ rzalloc(mem_ctx, struct brw_cs_prog_data);
+ struct brw_stage_prog_data *prog_data = &cs_prog_data->base;
+ enum brw_param_builtin *system_values;
+ unsigned num_system_values;
+ unsigned num_cbufs;
+
+ nir_shader *nir = nir_shader_clone(mem_ctx, ish->nir);
+
+ cs_prog_data->binding_table.work_groups_start = 0;
+
+ prog_data->total_shared = nir->info.cs.shared_size;
+
+ iris_setup_uniforms(compiler, mem_ctx, nir, prog_data, &system_values,
+ &num_system_values, &num_cbufs);
+
+ assign_common_binding_table_offsets(devinfo, nir, prog_data, 1,
+ num_system_values, num_cbufs);
+
+ char *error_str = NULL;
+ const unsigned *program =
+ brw_compile_cs(compiler, &ice->dbg, mem_ctx, key, cs_prog_data,
+ nir, -1, &error_str);
+ if (program == NULL) {
+ dbg_printf("Failed to compile compute shader: %s\n", error_str);
+ ralloc_free(mem_ctx);
+ return false;
+ }
+
+ if (ish->compiled_once) {
+ iris_debug_recompile(ice, &nir->info, key->program_string_id, key);
+ } else {
+ ish->compiled_once = true;
+ }
+
+ struct iris_compiled_shader *shader =
+ iris_upload_shader(ice, IRIS_CACHE_CS, sizeof(*key), key, program,
+ prog_data, NULL, system_values, num_system_values,
+ num_cbufs);
+
+ iris_disk_cache_store(screen->disk_cache, ish, shader, key, sizeof(*key));
+
+ ralloc_free(mem_ctx);
+ return shader;
+}
+
void
-iris_init_program_functions(struct pipe_context *ctx)
+iris_update_compiled_compute_shader(struct iris_context *ice)
+{
+ struct iris_uncompiled_shader *ish =
+ ice->shaders.uncompiled[MESA_SHADER_COMPUTE];
+
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_cs_prog_key key = { KEY_INIT(devinfo->gen) };
+ ice->vtbl.populate_cs_key(ice, &key);
+
+ struct iris_compiled_shader *old = ice->shaders.prog[IRIS_CACHE_CS];
+ struct iris_compiled_shader *shader =
+ iris_find_cached_shader(ice, IRIS_CACHE_CS, sizeof(key), &key);
+
+ if (!shader)
+ shader = iris_disk_cache_retrieve(ice, ish, &key, sizeof(key));
+
+ if (!shader)
+ shader = iris_compile_cs(ice, ish, &key);
+
+ if (old != shader) {
+ ice->shaders.prog[IRIS_CACHE_CS] = shader;
+ ice->state.dirty |= IRIS_DIRTY_CS |
+ IRIS_DIRTY_BINDINGS_CS |
+ IRIS_DIRTY_CONSTANTS_CS;
+ }
+}
+
+void
+iris_fill_cs_push_const_buffer(struct brw_cs_prog_data *cs_prog_data,
+ uint32_t *dst)
+{
+ assert(cs_prog_data->push.total.size > 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] == BRW_PARAM_BUILTIN_SUBGROUP_ID);
+ for (unsigned t = 0; t < cs_prog_data->threads; t++)
+ dst[8 * t] = t;
+}
+
+/**
+ * Allocate scratch BOs as needed for the given per-thread size and stage.
+ */
+struct iris_bo *
+iris_get_scratch_space(struct iris_context *ice,
+ unsigned per_thread_scratch,
+ gl_shader_stage stage)
+{
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ struct iris_bufmgr *bufmgr = screen->bufmgr;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+
+ unsigned encoded_size = ffs(per_thread_scratch) - 11;
+ assert(encoded_size < (1 << 16));
+
+ struct iris_bo **bop = &ice->shaders.scratch_bos[encoded_size][stage];
+
+ /* The documentation for 3DSTATE_PS "Scratch Space Base Pointer" says:
+ *
+ * "Scratch Space per slice is computed based on 4 sub-slices. SW
+ * must allocate scratch space enough so that each slice has 4
+ * slices allowed."
+ *
+ * According to the other driver team, this applies to compute shaders
+ * as well. This is not currently documented at all.
+ *
+ * This hack is no longer necessary on Gen11+.
+ */
+ unsigned subslice_total = screen->subslice_total;
+ if (devinfo->gen < 11)
+ subslice_total = 4 * devinfo->num_slices;
+ assert(subslice_total >= screen->subslice_total);
+
+ if (!*bop) {
+ unsigned scratch_ids_per_subslice = devinfo->max_cs_threads;
+ uint32_t max_threads[] = {
+ [MESA_SHADER_VERTEX] = devinfo->max_vs_threads,
+ [MESA_SHADER_TESS_CTRL] = devinfo->max_tcs_threads,
+ [MESA_SHADER_TESS_EVAL] = devinfo->max_tes_threads,
+ [MESA_SHADER_GEOMETRY] = devinfo->max_gs_threads,
+ [MESA_SHADER_FRAGMENT] = devinfo->max_wm_threads,
+ [MESA_SHADER_COMPUTE] = scratch_ids_per_subslice * subslice_total,
+ };
+
+ uint32_t size = per_thread_scratch * max_threads[stage];
+
+ *bop = iris_bo_alloc(bufmgr, "scratch", size, IRIS_MEMZONE_SHADER);
+ }
+
+ return *bop;
+}
+
+/* ------------------------------------------------------------------- */
+
+/**
+ * The pipe->create_[stage]_state() driver hooks.
+ *
+ * Performs basic NIR preprocessing, records any state dependencies, and
+ * returns an iris_uncompiled_shader as the Gallium CSO.
+ *
+ * Actual shader compilation to assembly happens later, at first use.
+ */
+static void *
+iris_create_uncompiled_shader(struct pipe_context *ctx,
+ nir_shader *nir,
+ const struct pipe_stream_output_info *so_info)
+{
+ struct iris_context *ice = (void *)ctx;
+ struct iris_screen *screen = (struct iris_screen *)ctx->screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+
+ struct iris_uncompiled_shader *ish =
+ calloc(1, sizeof(struct iris_uncompiled_shader));
+ if (!ish)
+ return NULL;
+
+ nir = brw_preprocess_nir(screen->compiler, nir, NULL);
+
+ NIR_PASS_V(nir, brw_nir_lower_image_load_store, devinfo);
+ NIR_PASS_V(nir, iris_lower_storage_image_derefs);
+
+ if (nir->constant_data_size > 0) {
+ unsigned data_offset;
+ u_upload_data(ice->shaders.uploader, 0, nir->constant_data_size,
+ 32, nir->constant_data, &data_offset, &ish->const_data);
+
+ struct pipe_shader_buffer psb = {
+ .buffer = ish->const_data,
+ .buffer_offset = data_offset,
+ .buffer_size = nir->constant_data_size,
+ };
+ iris_upload_ubo_ssbo_surf_state(ice, &psb, &ish->const_data_state, false);
+ }
+
+ 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);
+ }
+
+ /* Save this now before potentially dropping nir->info.name */
+ if (nir->info.name && strncmp(nir->info.name, "ARB", 3) == 0)
+ ish->use_alt_mode = true;
+
+ if (screen->disk_cache) {
+ /* Serialize the NIR to a binary blob that we can hash for the disk
+ * cache. First, 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. We clone
+ * the NIR before stripping away this info because it can be useful
+ * when inspecting and debugging shaders.
+ */
+ nir_shader *clone = nir_shader_clone(NULL, nir);
+ nir_strip(clone);
+
+ struct blob blob;
+ blob_init(&blob);
+ nir_serialize(&blob, clone);
+ _mesa_sha1_compute(blob.data, blob.size, ish->nir_sha1);
+ blob_finish(&blob);
+
+ ralloc_free(clone);
+ }
+
+ return ish;
+}
+
+static struct iris_uncompiled_shader *
+iris_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);
+ else
+ nir = state->ir.nir;
+
+ return iris_create_uncompiled_shader(ctx, nir, &state->stream_output);
+}
+
+static void *
+iris_create_vs_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ struct iris_context *ice = (void *) ctx;
+ struct iris_screen *screen = (void *) ctx->screen;
+ struct iris_uncompiled_shader *ish = iris_create_shader_state(ctx, state);
+
+ /* User clip planes */
+ if (ish->nir->info.clip_distance_array_size == 0)
+ ish->nos |= (1ull << IRIS_NOS_RASTERIZER);
+
+ if (screen->precompile) {
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_vs_prog_key key = { KEY_INIT(devinfo->gen) };
+
+ if (!iris_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
+ iris_compile_vs(ice, ish, &key);
+ }
+
+ return ish;
+}
+
+static void *
+iris_create_tcs_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ struct iris_context *ice = (void *) ctx;
+ struct iris_screen *screen = (void *) ctx->screen;
+ const struct brw_compiler *compiler = screen->compiler;
+ struct iris_uncompiled_shader *ish = iris_create_shader_state(ctx, state);
+ struct shader_info *info = &ish->nir->info;
+
+ // XXX: NOS?
+
+ if (screen->precompile) {
+ const unsigned _GL_TRIANGLES = 0x0004;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_tcs_prog_key key = {
+ KEY_INIT(devinfo->gen),
+ // XXX: make sure the linker fills this out from the TES...
+ .tes_primitive_mode =
+ info->tess.primitive_mode ? info->tess.primitive_mode
+ : _GL_TRIANGLES,
+ .outputs_written = info->outputs_written,
+ .patch_outputs_written = info->patch_outputs_written,
+ };
+
+ /* 8_PATCH mode needs the key to contain the input patch dimensionality.
+ * We don't have that information, so we randomly guess that the input
+ * and output patches are the same size. This is a bad guess, but we
+ * can't do much better.
+ */
+ if (compiler->use_tcs_8_patch)
+ key.input_vertices = info->tess.tcs_vertices_out;
+
+ if (!iris_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
+ iris_compile_tcs(ice, ish, &key);
+ }
+
+ return ish;
+}
+
+static void *
+iris_create_tes_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ struct iris_context *ice = (void *) ctx;
+ struct iris_screen *screen = (void *) ctx->screen;
+ struct iris_uncompiled_shader *ish = iris_create_shader_state(ctx, state);
+ struct shader_info *info = &ish->nir->info;
+
+ // XXX: NOS?
+
+ if (screen->precompile) {
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_tes_prog_key key = {
+ KEY_INIT(devinfo->gen),
+ // XXX: not ideal, need TCS output/TES input unification
+ .inputs_read = info->inputs_read,
+ .patch_inputs_read = info->patch_inputs_read,
+ };
+
+ if (!iris_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
+ iris_compile_tes(ice, ish, &key);
+ }
+
+ return ish;
+}
+
+static void *
+iris_create_gs_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ struct iris_context *ice = (void *) ctx;
+ struct iris_screen *screen = (void *) ctx->screen;
+ struct iris_uncompiled_shader *ish = iris_create_shader_state(ctx, state);
+
+ // XXX: NOS?
+
+ if (screen->precompile) {
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_gs_prog_key key = { KEY_INIT(devinfo->gen) };
+
+ if (!iris_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
+ iris_compile_gs(ice, ish, &key);
+ }
+
+ return ish;
+}
+
+static void *
+iris_create_fs_state(struct pipe_context *ctx,
+ const struct pipe_shader_state *state)
+{
+ struct iris_context *ice = (void *) ctx;
+ struct iris_screen *screen = (void *) ctx->screen;
+ struct iris_uncompiled_shader *ish = iris_create_shader_state(ctx, state);
+ struct shader_info *info = &ish->nir->info;
+
+ ish->nos |= (1ull << IRIS_NOS_FRAMEBUFFER) |
+ (1ull << IRIS_NOS_DEPTH_STENCIL_ALPHA) |
+ (1ull << IRIS_NOS_RASTERIZER) |
+ (1ull << IRIS_NOS_BLEND);
+
+ /* The program key needs the VUE map if there are > 16 inputs */
+ if (util_bitcount64(ish->nir->info.inputs_read &
+ BRW_FS_VARYING_INPUT_MASK) > 16) {
+ ish->nos |= (1ull << IRIS_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 =
+ util_bitcount64(info->inputs_read & BRW_FS_VARYING_INPUT_MASK) <= 16;
+
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_wm_prog_key key = {
+ KEY_INIT(devinfo->gen),
+ .nr_color_regions = util_bitcount(color_outputs),
+ .coherent_fb_fetch = true,
+ .input_slots_valid =
+ can_rearrange_varyings ? 0 : info->inputs_read | VARYING_BIT_POS,
+ };
+
+ if (!iris_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
+ iris_compile_fs(ice, ish, &key, NULL);
+ }
+
+ return ish;
+}
+
+static void *
+iris_create_compute_state(struct pipe_context *ctx,
+ const struct pipe_compute_state *state)
+{
+ assert(state->ir_type == PIPE_SHADER_IR_NIR);
+
+ struct iris_context *ice = (void *) ctx;
+ struct iris_screen *screen = (void *) ctx->screen;
+ struct iris_uncompiled_shader *ish =
+ iris_create_uncompiled_shader(ctx, (void *) state->prog, NULL);
+
+ // XXX: disallow more than 64KB of shared variables
+
+ if (screen->precompile) {
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct brw_cs_prog_key key = { KEY_INIT(devinfo->gen) };
+
+ if (!iris_disk_cache_retrieve(ice, ish, &key, sizeof(key)))
+ iris_compile_cs(ice, ish, &key);
+ }
+
+ return ish;
+}
+
+/**
+ * The pipe->delete_[stage]_state() driver hooks.
+ *
+ * Frees the iris_uncompiled_shader.
+ */
+static void
+iris_delete_shader_state(struct pipe_context *ctx, void *state, gl_shader_stage stage)
+{
+ struct iris_uncompiled_shader *ish = state;
+ struct iris_context *ice = (void *) ctx;
+
+ if (ice->shaders.uncompiled[stage] == ish) {
+ ice->shaders.uncompiled[stage] = NULL;
+ ice->state.dirty |= IRIS_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
+iris_delete_vs_state(struct pipe_context *ctx, void *state)
+{
+ iris_delete_shader_state(ctx, state, MESA_SHADER_VERTEX);
+}
+
+static void
+iris_delete_tcs_state(struct pipe_context *ctx, void *state)
+{
+ iris_delete_shader_state(ctx, state, MESA_SHADER_TESS_CTRL);
+}
+
+static void
+iris_delete_tes_state(struct pipe_context *ctx, void *state)
{
- ctx->create_vs_state = iris_create_shader_state;
- ctx->create_tcs_state = iris_create_shader_state;
- ctx->create_tes_state = iris_create_shader_state;
- ctx->create_gs_state = iris_create_shader_state;
- ctx->create_fs_state = iris_create_shader_state;
+ iris_delete_shader_state(ctx, state, MESA_SHADER_TESS_EVAL);
+}
+
+static void
+iris_delete_gs_state(struct pipe_context *ctx, void *state)
+{
+ iris_delete_shader_state(ctx, state, MESA_SHADER_GEOMETRY);
+}
+
+static void
+iris_delete_fs_state(struct pipe_context *ctx, void *state)
+{
+ iris_delete_shader_state(ctx, state, MESA_SHADER_FRAGMENT);
+}
- ctx->delete_vs_state = iris_delete_shader_state;
- ctx->delete_tcs_state = iris_delete_shader_state;
- ctx->delete_tes_state = iris_delete_shader_state;
- ctx->delete_gs_state = iris_delete_shader_state;
- ctx->delete_fs_state = iris_delete_shader_state;
+static void
+iris_delete_cs_state(struct pipe_context *ctx, void *state)
+{
+ iris_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_state(struct iris_context *ice,
+ struct iris_uncompiled_shader *ish,
+ gl_shader_stage stage)
+{
+ uint64_t dirty_bit = IRIS_DIRTY_UNCOMPILED_VS << stage;
+ const uint64_t nos = ish ? ish->nos : 0;
+
+ const struct shader_info *old_info = iris_get_shader_info(ice, stage);
+ const struct shader_info *new_info = ish ? &ish->nir->info : NULL;
+
+ if ((old_info ? util_last_bit(old_info->textures_used) : 0) !=
+ (new_info ? util_last_bit(new_info->textures_used) : 0)) {
+ ice->state.dirty |= IRIS_DIRTY_SAMPLER_STATES_VS << stage;
+ }
+
+ ice->shaders.uncompiled[stage] = ish;
+ ice->state.dirty |= dirty_bit;
+
+ /* Record that CSOs need to mark IRIS_DIRTY_UNCOMPILED_XS when they change
+ * (or that they no longer need to do so).
+ */
+ for (int i = 0; i < IRIS_NOS_COUNT; i++) {
+ if (nos & (1 << i))
+ ice->state.dirty_for_nos[i] |= dirty_bit;
+ else
+ ice->state.dirty_for_nos[i] &= ~dirty_bit;
+ }
+}
+
+static void
+iris_bind_vs_state(struct pipe_context *ctx, void *state)
+{
+ bind_state((void *) ctx, state, MESA_SHADER_VERTEX);
+}
+
+static void
+iris_bind_tcs_state(struct pipe_context *ctx, void *state)
+{
+ bind_state((void *) ctx, state, MESA_SHADER_TESS_CTRL);
+}
+
+static void
+iris_bind_tes_state(struct pipe_context *ctx, void *state)
+{
+ struct iris_context *ice = (struct iris_context *)ctx;
+
+ /* Enabling/disabling optional stages requires a URB reconfiguration. */
+ if (!!state != !!ice->shaders.uncompiled[MESA_SHADER_TESS_EVAL])
+ ice->state.dirty |= IRIS_DIRTY_URB;
+
+ bind_state((void *) ctx, state, MESA_SHADER_TESS_EVAL);
+}
+
+static void
+iris_bind_gs_state(struct pipe_context *ctx, void *state)
+{
+ struct iris_context *ice = (struct iris_context *)ctx;
+
+ /* Enabling/disabling optional stages requires a URB reconfiguration. */
+ if (!!state != !!ice->shaders.uncompiled[MESA_SHADER_GEOMETRY])
+ ice->state.dirty |= IRIS_DIRTY_URB;
+
+ bind_state((void *) ctx, state, MESA_SHADER_GEOMETRY);
+}
+
+static void
+iris_bind_fs_state(struct pipe_context *ctx, void *state)
+{
+ struct iris_context *ice = (struct iris_context *) ctx;
+ struct iris_uncompiled_shader *old_ish =
+ ice->shaders.uncompiled[MESA_SHADER_FRAGMENT];
+ struct iris_uncompiled_shader *new_ish = state;
+
+ const unsigned color_bits =
+ BITFIELD64_BIT(FRAG_RESULT_COLOR) |
+ BITFIELD64_RANGE(FRAG_RESULT_DATA0, BRW_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))
+ ice->state.dirty |= IRIS_DIRTY_PS_BLEND;
+
+ bind_state((void *) ctx, state, MESA_SHADER_FRAGMENT);
+}
+
+static void
+iris_bind_cs_state(struct pipe_context *ctx, void *state)
+{
+ bind_state((void *) ctx, state, MESA_SHADER_COMPUTE);
+}
+
+void
+iris_init_program_functions(struct pipe_context *ctx)
+{
+ ctx->create_vs_state = iris_create_vs_state;
+ ctx->create_tcs_state = iris_create_tcs_state;
+ ctx->create_tes_state = iris_create_tes_state;
+ ctx->create_gs_state = iris_create_gs_state;
+ ctx->create_fs_state = iris_create_fs_state;
+ ctx->create_compute_state = iris_create_compute_state;
+
+ ctx->delete_vs_state = iris_delete_vs_state;
+ ctx->delete_tcs_state = iris_delete_tcs_state;
+ ctx->delete_tes_state = iris_delete_tes_state;
+ ctx->delete_gs_state = iris_delete_gs_state;
+ ctx->delete_fs_state = iris_delete_fs_state;
+ ctx->delete_compute_state = iris_delete_cs_state;
ctx->bind_vs_state = iris_bind_vs_state;
ctx->bind_tcs_state = iris_bind_tcs_state;
ctx->bind_tes_state = iris_bind_tes_state;
ctx->bind_gs_state = iris_bind_gs_state;
ctx->bind_fs_state = iris_bind_fs_state;
+ ctx->bind_compute_state = iris_bind_cs_state;
}
projects / mesa.git / blobdiff