--- /dev/null
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include "glsl/nir/nir.h"
+#include "anv_private.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+static inline VkShaderStage
+anv_vk_shader_stage_for_mesa_stage(gl_shader_stage stage)
+{
+ /* The two enums happen to line up. */
+ return (VkShaderStage)(int)stage;
+}
+
+void anv_nir_apply_dynamic_offsets(struct anv_pipeline *pipeline,
+ nir_shader *shader,
+ struct brw_stage_prog_data *prog_data);
+
+#ifdef __cplusplus
+}
+#endif
--- /dev/null
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "anv_nir.h"
+#include "glsl/nir/nir_builder.h"
+
+struct apply_dynamic_offsets_state {
+ nir_shader *shader;
+ nir_builder builder;
+
+ VkShaderStage stage;
+ struct anv_pipeline_layout *layout;
+
+ uint32_t indices_start;
+};
+
+static bool
+apply_dynamic_offsets_block(nir_block *block, void *void_state)
+{
+ struct apply_dynamic_offsets_state *state = void_state;
+ struct anv_descriptor_set_layout *set_layout;
+ const struct anv_descriptor_slot *slot;
+
+ nir_foreach_instr_safe(block, instr) {
+ if (instr->type != nir_instr_type_intrinsic)
+ continue;
+
+ nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
+
+ bool has_indirect = false;
+ uint32_t set, binding;
+ switch (intrin->intrinsic) {
+ case nir_intrinsic_load_ubo_indirect:
+ has_indirect = true;
+ /* fallthrough */
+ case nir_intrinsic_load_ubo: {
+ set = intrin->const_index[0];
+
+ nir_const_value *const_binding = nir_src_as_const_value(intrin->src[0]);
+ if (const_binding) {
+ binding = const_binding->u[0];
+ } else {
+ assert(0 && "need more info from the ir for this.");
+ }
+ break;
+ }
+ default:
+ continue; /* the loop */
+ }
+
+ set_layout = state->layout->set[set].layout;
+ slot = &set_layout->stage[state->stage].surface_start[binding];
+ if (slot->dynamic_slot < 0)
+ continue;
+
+ uint32_t dynamic_index = state->layout->set[set].dynamic_offset_start +
+ slot->dynamic_slot;
+
+ state->builder.cursor = nir_before_instr(&intrin->instr);
+
+ nir_intrinsic_instr *offset_load =
+ nir_intrinsic_instr_create(state->shader, nir_intrinsic_load_uniform);
+ offset_load->num_components = 1;
+ offset_load->const_index[0] = state->indices_start + dynamic_index;
+ offset_load->const_index[1] = 0;
+ nir_ssa_dest_init(&offset_load->instr, &offset_load->dest, 1, NULL);
+ nir_builder_instr_insert(&state->builder, &offset_load->instr);
+
+ nir_ssa_def *offset = &offset_load->dest.ssa;
+ if (has_indirect) {
+ assert(intrin->src[1].is_ssa);
+ offset = nir_iadd(&state->builder, intrin->src[1].ssa, offset);
+ }
+
+ assert(intrin->dest.is_ssa);
+
+ nir_intrinsic_instr *new_load =
+ nir_intrinsic_instr_create(state->shader,
+ nir_intrinsic_load_ubo_indirect);
+ new_load->num_components = intrin->num_components;
+ new_load->const_index[0] = intrin->const_index[0];
+ new_load->const_index[1] = intrin->const_index[1];
+ nir_src_copy(&new_load->src[0], &intrin->src[0], &new_load->instr);
+ new_load->src[1] = nir_src_for_ssa(offset);
+ nir_ssa_dest_init(&new_load->instr, &new_load->dest,
+ intrin->dest.ssa.num_components,
+ intrin->dest.ssa.name);
+ nir_builder_instr_insert(&state->builder, &new_load->instr);
+
+ nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
+ nir_src_for_ssa(&new_load->dest.ssa),
+ state->shader);
+
+ nir_instr_remove(&intrin->instr);
+ }
+
+ return true;
+}
+
+void
+anv_nir_apply_dynamic_offsets(struct anv_pipeline *pipeline,
+ nir_shader *shader,
+ struct brw_stage_prog_data *prog_data)
+{
+ struct apply_dynamic_offsets_state state = {
+ .shader = shader,
+ .stage = anv_vk_shader_stage_for_mesa_stage(shader->stage),
+ .layout = pipeline->layout,
+ .indices_start = shader->num_uniforms,
+ };
+
+ if (!state.layout || !state.layout->stage[state.stage].has_dynamic_offsets)
+ return;
+
+ nir_foreach_overload(shader, overload) {
+ if (overload->impl) {
+ nir_builder_init(&state.builder, overload->impl);
+ nir_foreach_block(overload->impl, apply_dynamic_offsets_block, &state);
+ nir_metadata_preserve(overload->impl, nir_metadata_block_index |
+ nir_metadata_dominance);
+ }
+ }
+
+ struct anv_push_constants *null_data = NULL;
+ for (unsigned i = 0; i < MAX_DYNAMIC_BUFFERS; i++)
+ prog_data->param[i + shader->num_uniforms] =
+ (const gl_constant_value *)&null_data->dynamic_offsets[i];
+
+ shader->num_uniforms += MAX_DYNAMIC_BUFFERS;
+}
projects / mesa.git / commitdiff