--- /dev/null
+/*
+ * Copyright © 2019 Valve Corporation
+ * Copyright © 2018 Red Hat
+ *
+ * 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 "radv_meta.h"
+#include "radv_private.h"
+
+static nir_shader *
+build_fmask_expand_compute_shader(struct radv_device *device, int samples)
+{
+ nir_builder b;
+ char name[64];
+ const struct glsl_type *input_img_type =
+ glsl_sampler_type(GLSL_SAMPLER_DIM_MS, false, false,
+ GLSL_TYPE_FLOAT);
+ const struct glsl_type *output_img_type =
+ glsl_sampler_type(GLSL_SAMPLER_DIM_MS, false, false,
+ GLSL_TYPE_FLOAT);
+
+ snprintf(name, 64, "meta_fmask_expand_cs-%d", samples);
+
+ nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_COMPUTE, NULL);
+ b.shader->info.name = ralloc_strdup(b.shader, name);
+ b.shader->info.cs.local_size[0] = 16;
+ b.shader->info.cs.local_size[1] = 16;
+ b.shader->info.cs.local_size[2] = 1;
+
+ nir_variable *input_img = nir_variable_create(b.shader, nir_var_uniform,
+ input_img_type, "s_tex");
+ input_img->data.descriptor_set = 0;
+ input_img->data.binding = 0;
+
+ nir_variable *output_img = nir_variable_create(b.shader, nir_var_uniform,
+ output_img_type, "out_img");
+ output_img->data.descriptor_set = 0;
+ output_img->data.binding = 1;
+
+ nir_ssa_def *invoc_id = nir_load_local_invocation_id(&b);
+ nir_ssa_def *wg_id = nir_load_work_group_id(&b);
+ nir_ssa_def *block_size = nir_imm_ivec4(&b,
+ b.shader->info.cs.local_size[0],
+ b.shader->info.cs.local_size[1],
+ b.shader->info.cs.local_size[2], 0);
+
+ nir_ssa_def *global_id = nir_iadd(&b, nir_imul(&b, wg_id, block_size), invoc_id);
+
+ nir_ssa_def *input_img_deref = &nir_build_deref_var(&b, input_img)->dest.ssa;
+ nir_ssa_def *output_img_deref = &nir_build_deref_var(&b, output_img)->dest.ssa;
+
+ nir_tex_instr *tex_instr[8];
+ for (uint32_t i = 0; i < samples; i++) {
+ tex_instr[i] = nir_tex_instr_create(b.shader, 3);
+
+ nir_tex_instr *tex = tex_instr[i];
+ tex->sampler_dim = GLSL_SAMPLER_DIM_MS;
+ tex->op = nir_texop_txf_ms;
+ tex->src[0].src_type = nir_tex_src_coord;
+ tex->src[0].src = nir_src_for_ssa(nir_channels(&b, global_id, 0x3));
+ tex->src[1].src_type = nir_tex_src_ms_index;
+ tex->src[1].src = nir_src_for_ssa(nir_imm_int(&b, i));
+ tex->src[2].src_type = nir_tex_src_texture_deref;
+ tex->src[2].src = nir_src_for_ssa(input_img_deref);
+ tex->dest_type = nir_type_float;
+ tex->is_array = false;
+ tex->coord_components = 2;
+
+ nir_ssa_dest_init(&tex->instr, &tex->dest, 4, 32, "tex");
+ nir_builder_instr_insert(&b, &tex->instr);
+ }
+
+ for (uint32_t i = 0; i < samples; i++) {
+ nir_ssa_def *outval = &tex_instr[i]->dest.ssa;
+
+ nir_intrinsic_instr *store =
+ nir_intrinsic_instr_create(b.shader,
+ nir_intrinsic_image_deref_store);
+ store->num_components = 4;
+ store->src[0] = nir_src_for_ssa(output_img_deref);
+ store->src[1] = nir_src_for_ssa(global_id);
+ store->src[2] = nir_src_for_ssa(nir_imm_int(&b, i));
+ store->src[3] = nir_src_for_ssa(outval);
+ nir_builder_instr_insert(&b, &store->instr);
+ }
+
+ return b.shader;
+}
+
+void
+radv_expand_fmask_image_inplace(struct radv_cmd_buffer *cmd_buffer,
+ struct radv_image *image,
+ const VkImageSubresourceRange *subresourceRange)
+{
+ struct radv_device *device = cmd_buffer->device;
+ struct radv_meta_saved_state saved_state;
+ const uint32_t samples = image->info.samples;
+ const uint32_t samples_log2 = ffs(samples) - 1;
+
+ radv_meta_save(&saved_state, cmd_buffer,
+ RADV_META_SAVE_COMPUTE_PIPELINE |
+ RADV_META_SAVE_DESCRIPTORS);
+
+ VkPipeline pipeline = device->meta_state.fmask_expand.pipeline[samples_log2];
+
+ radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer),
+ VK_PIPELINE_BIND_POINT_COMPUTE, pipeline);
+
+ for (unsigned l = 0; l < subresourceRange->layerCount; l++) {
+ struct radv_image_view iview;
+
+ radv_image_view_init(&iview, device,
+ &(VkImageViewCreateInfo) {
+ .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
+ .image = radv_image_to_handle(image),
+ .viewType = radv_meta_get_view_type(image),
+ .format = image->vk_format,
+ .subresourceRange = {
+ .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+ .baseMipLevel = 0,
+ .levelCount = 1,
+ .baseArrayLayer = subresourceRange->baseArrayLayer + l,
+ .layerCount = 1,
+ },
+ });
+
+ radv_meta_push_descriptor_set(cmd_buffer,
+ VK_PIPELINE_BIND_POINT_COMPUTE,
+ cmd_buffer->device->meta_state.fmask_expand.p_layout,
+ 0, /* set */
+ 2, /* descriptorWriteCount */
+ (VkWriteDescriptorSet[]) {
+ {
+ .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+ .dstBinding = 0,
+ .dstArrayElement = 0,
+ .descriptorCount = 1,
+ .descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+ .pImageInfo = (VkDescriptorImageInfo[]) {
+ {
+ .sampler = VK_NULL_HANDLE,
+ .imageView = radv_image_view_to_handle(&iview),
+ .imageLayout = VK_IMAGE_LAYOUT_GENERAL
+ },
+ }
+ },
+ {
+ .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+ .dstBinding = 1,
+ .dstArrayElement = 0,
+ .descriptorCount = 1,
+ .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+ .pImageInfo = (VkDescriptorImageInfo[]) {
+ {
+ .sampler = VK_NULL_HANDLE,
+ .imageView = radv_image_view_to_handle(&iview),
+ .imageLayout = VK_IMAGE_LAYOUT_GENERAL
+ },
+ }
+ }
+ });
+
+ radv_unaligned_dispatch(cmd_buffer, image->info.width, image->info.height, 1);
+ }
+
+ radv_meta_restore(&saved_state, cmd_buffer);
+
+ cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_CS_PARTIAL_FLUSH |
+ RADV_CMD_FLAG_INV_GLOBAL_L2;
+
+ /* Re-initialize FMASK in fully expanded mode. */
+ radv_initialize_fmask(cmd_buffer, image);
+}
+
+void radv_device_finish_meta_fmask_expand_state(struct radv_device *device)
+{
+ struct radv_meta_state *state = &device->meta_state;
+
+ for (uint32_t i = 0; i < MAX_SAMPLES_LOG2; ++i) {
+ radv_DestroyPipeline(radv_device_to_handle(device),
+ state->fmask_expand.pipeline[i],
+ &state->alloc);
+ }
+ radv_DestroyPipelineLayout(radv_device_to_handle(device),
+ state->fmask_expand.p_layout,
+ &state->alloc);
+
+ radv_DestroyDescriptorSetLayout(radv_device_to_handle(device),
+ state->fmask_expand.ds_layout,
+ &state->alloc);
+}
+
+static VkResult
+create_fmask_expand_pipeline(struct radv_device *device,
+ int samples,
+ VkPipeline *pipeline)
+{
+ struct radv_meta_state *state = &device->meta_state;
+ struct radv_shader_module cs = { .nir = NULL };
+ VkResult result;
+
+ cs.nir = build_fmask_expand_compute_shader(device, samples);
+
+ VkPipelineShaderStageCreateInfo pipeline_shader_stage = {
+ .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+ .stage = VK_SHADER_STAGE_COMPUTE_BIT,
+ .module = radv_shader_module_to_handle(&cs),
+ .pName = "main",
+ .pSpecializationInfo = NULL,
+ };
+
+ VkComputePipelineCreateInfo vk_pipeline_info = {
+ .sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
+ .stage = pipeline_shader_stage,
+ .flags = 0,
+ .layout = state->fmask_expand.p_layout,
+ };
+
+ result = radv_CreateComputePipelines(radv_device_to_handle(device),
+ radv_pipeline_cache_to_handle(&state->cache),
+ 1, &vk_pipeline_info, NULL,
+ pipeline);
+
+ ralloc_free(cs.nir);
+ return result;
+}
+
+VkResult
+radv_device_init_meta_fmask_expand_state(struct radv_device *device)
+{
+ struct radv_meta_state *state = &device->meta_state;
+ VkResult result;
+
+ VkDescriptorSetLayoutCreateInfo ds_create_info = {
+ .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
+ .flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR,
+ .bindingCount = 2,
+ .pBindings = (VkDescriptorSetLayoutBinding[]) {
+ {
+ .binding = 0,
+ .descriptorType = VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+ .descriptorCount = 1,
+ .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+ .pImmutableSamplers = NULL
+ },
+ {
+ .binding = 1,
+ .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
+ .descriptorCount = 1,
+ .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
+ .pImmutableSamplers = NULL
+ },
+ }
+ };
+
+ result = radv_CreateDescriptorSetLayout(radv_device_to_handle(device),
+ &ds_create_info, &state->alloc,
+ &state->fmask_expand.ds_layout);
+ if (result != VK_SUCCESS)
+ goto fail;
+
+ VkPipelineLayoutCreateInfo color_create_info = {
+ .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
+ .setLayoutCount = 1,
+ .pSetLayouts = &state->fmask_expand.ds_layout,
+ .pushConstantRangeCount = 0,
+ .pPushConstantRanges = NULL,
+ };
+
+ result = radv_CreatePipelineLayout(radv_device_to_handle(device),
+ &color_create_info, &state->alloc,
+ &state->fmask_expand.p_layout);
+ if (result != VK_SUCCESS)
+ goto fail;
+
+ for (uint32_t i = 0; i < MAX_SAMPLES_LOG2; i++) {
+ uint32_t samples = 1 << i;
+ result = create_fmask_expand_pipeline(device, samples,
+ &state->fmask_expand.pipeline[i]);
+ if (result != VK_SUCCESS)
+ goto fail;
+ }
+
+ return VK_SUCCESS;
+fail:
+ radv_device_finish_meta_fmask_expand_state(device);
+ return result;
+}
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