diff options
Diffstat (limited to 'src/intel/vulkan/anv_meta_resolve.c')
| -rw-r--r-- | src/intel/vulkan/anv_meta_resolve.c | 867 |
1 files changed, 867 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_meta_resolve.c b/src/intel/vulkan/anv_meta_resolve.c new file mode 100644 index 0000000..ea5020c --- /dev/null +++ b/src/intel/vulkan/anv_meta_resolve.c @@ -0,0 +1,867 @@ +/* + * Copyright © 2016 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 <assert.h> +#include <stdbool.h> + +#include "anv_meta.h" +#include "anv_private.h" +#include "nir/nir_builder.h" + +/** + * Vertex attributes used by all pipelines. + */ +struct vertex_attrs { + struct anv_vue_header vue_header; + float position[2]; /**< 3DPRIM_RECTLIST */ + float tex_position[2]; +}; + +static void +meta_resolve_save(struct anv_meta_saved_state *saved_state, + struct anv_cmd_buffer *cmd_buffer) +{ + anv_meta_save(saved_state, cmd_buffer, + (1 << VK_DYNAMIC_STATE_VIEWPORT) | + (1 << VK_DYNAMIC_STATE_SCISSOR)); + + cmd_buffer->state.dynamic.viewport.count = 0; + cmd_buffer->state.dynamic.scissor.count = 0; +} + +static void +meta_resolve_restore(struct anv_meta_saved_state *saved_state, + struct anv_cmd_buffer *cmd_buffer) +{ + anv_meta_restore(saved_state, cmd_buffer); +} + +static VkPipeline * +get_pipeline_h(struct anv_device *device, uint32_t samples) +{ + uint32_t i = ffs(samples) - 2; /* log2(samples) - 1 */ + + assert(samples >= 2); + assert(i < ARRAY_SIZE(device->meta_state.resolve.pipelines)); + + return &device->meta_state.resolve.pipelines[i]; +} + +static nir_shader * +build_nir_vs(void) +{ + const struct glsl_type *vec4 = glsl_vec4_type(); + + nir_builder b; + nir_variable *a_position; + nir_variable *v_position; + nir_variable *a_tex_position; + nir_variable *v_tex_position; + + nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_VERTEX, NULL); + b.shader->info.name = ralloc_strdup(b.shader, "meta_resolve_vs"); + + a_position = nir_variable_create(b.shader, nir_var_shader_in, vec4, + "a_position"); + a_position->data.location = VERT_ATTRIB_GENERIC0; + + v_position = nir_variable_create(b.shader, nir_var_shader_out, vec4, + "gl_Position"); + v_position->data.location = VARYING_SLOT_POS; + + a_tex_position = nir_variable_create(b.shader, nir_var_shader_in, vec4, + "a_tex_position"); + a_tex_position->data.location = VERT_ATTRIB_GENERIC1; + + v_tex_position = nir_variable_create(b.shader, nir_var_shader_out, vec4, + "v_tex_position"); + v_tex_position->data.location = VARYING_SLOT_VAR0; + + nir_copy_var(&b, v_position, a_position); + nir_copy_var(&b, v_tex_position, a_tex_position); + + return b.shader; +} + +static nir_shader * +build_nir_fs(uint32_t num_samples) +{ + const struct glsl_type *vec4 = glsl_vec4_type(); + + const struct glsl_type *sampler2DMS = + glsl_sampler_type(GLSL_SAMPLER_DIM_MS, + /*is_shadow*/ false, + /*is_array*/ false, + GLSL_TYPE_FLOAT); + + nir_builder b; + nir_variable *u_tex; /* uniform sampler */ + nir_variable *v_position; /* vec4, varying fragment position */ + nir_variable *v_tex_position; /* vec4, varying texture coordinate */ + nir_variable *f_color; /* vec4, fragment output color */ + nir_ssa_def *accum; /* vec4, accumulation of sample values */ + + nir_builder_init_simple_shader(&b, NULL, MESA_SHADER_FRAGMENT, NULL); + b.shader->info.name = ralloc_asprintf(b.shader, + "meta_resolve_fs_samples%02d", + num_samples); + + u_tex = nir_variable_create(b.shader, nir_var_uniform, sampler2DMS, + "u_tex"); + u_tex->data.descriptor_set = 0; + u_tex->data.binding = 0; + + v_position = nir_variable_create(b.shader, nir_var_shader_in, vec4, + "v_position"); + v_position->data.location = VARYING_SLOT_POS; + v_position->data.origin_upper_left = true; + + v_tex_position = nir_variable_create(b.shader, nir_var_shader_in, vec4, + "v_tex_position"); + v_tex_position->data.location = VARYING_SLOT_VAR0; + + f_color = nir_variable_create(b.shader, nir_var_shader_out, vec4, + "f_color"); + f_color->data.location = FRAG_RESULT_DATA0; + + accum = nir_imm_vec4(&b, 0, 0, 0, 0); + + nir_ssa_def *tex_position_ivec = + nir_f2i(&b, nir_load_var(&b, v_tex_position)); + + for (uint32_t i = 0; i < num_samples; ++i) { + nir_tex_instr *tex; + + tex = nir_tex_instr_create(b.shader, /*num_srcs*/ 2); + tex->texture = nir_deref_var_create(tex, u_tex); + tex->sampler = nir_deref_var_create(tex, u_tex); + tex->sampler_dim = GLSL_SAMPLER_DIM_MS; + tex->op = nir_texop_txf_ms; + tex->src[0].src = nir_src_for_ssa(tex_position_ivec); + tex->src[0].src_type = nir_tex_src_coord; + tex->src[1].src = nir_src_for_ssa(nir_imm_int(&b, i)); + tex->src[1].src_type = nir_tex_src_ms_index; + tex->dest_type = nir_type_float; + tex->is_array = false; + tex->coord_components = 3; + nir_ssa_dest_init(&tex->instr, &tex->dest, /*num_components*/ 4, "tex"); + nir_builder_instr_insert(&b, &tex->instr); + + accum = nir_fadd(&b, accum, &tex->dest.ssa); + } + + accum = nir_fdiv(&b, accum, nir_imm_float(&b, num_samples)); + nir_store_var(&b, f_color, accum, /*writemask*/ 4); + + return b.shader; +} + +static VkResult +create_pass(struct anv_device *device) +{ + VkResult result; + VkDevice device_h = anv_device_to_handle(device); + const VkAllocationCallbacks *alloc = &device->meta_state.alloc; + + result = anv_CreateRenderPass(device_h, + &(VkRenderPassCreateInfo) { + .sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, + .attachmentCount = 1, + .pAttachments = &(VkAttachmentDescription) { + .format = VK_FORMAT_UNDEFINED, /* Our shaders don't care */ + .samples = 1, + .loadOp = VK_ATTACHMENT_LOAD_OP_LOAD, + .storeOp = VK_ATTACHMENT_STORE_OP_STORE, + .initialLayout = VK_IMAGE_LAYOUT_GENERAL, + .finalLayout = VK_IMAGE_LAYOUT_GENERAL, + }, + .subpassCount = 1, + .pSubpasses = &(VkSubpassDescription) { + .pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS, + .inputAttachmentCount = 0, + .colorAttachmentCount = 1, + .pColorAttachments = &(VkAttachmentReference) { + .attachment = 0, + .layout = VK_IMAGE_LAYOUT_GENERAL, + }, + .pResolveAttachments = NULL, + .pDepthStencilAttachment = &(VkAttachmentReference) { + .attachment = VK_ATTACHMENT_UNUSED, + }, + .preserveAttachmentCount = 0, + .pPreserveAttachments = NULL, + }, + .dependencyCount = 0, + }, + alloc, + &device->meta_state.resolve.pass); + + return result; +} + +static VkResult +create_pipeline(struct anv_device *device, + uint32_t num_samples, + VkShaderModule vs_module_h) +{ + VkResult result; + VkDevice device_h = anv_device_to_handle(device); + + struct anv_shader_module fs_module = { + .nir = build_nir_fs(num_samples), + }; + + if (!fs_module.nir) { + /* XXX: Need more accurate error */ + result = VK_ERROR_OUT_OF_HOST_MEMORY; + goto cleanup; + } + + result = anv_graphics_pipeline_create(device_h, + VK_NULL_HANDLE, + &(VkGraphicsPipelineCreateInfo) { + .sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, + .stageCount = 2, + .pStages = (VkPipelineShaderStageCreateInfo[]) { + { + .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, + .stage = VK_SHADER_STAGE_VERTEX_BIT, + .module = vs_module_h, + .pName = "main", + }, + { + .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, + .stage = VK_SHADER_STAGE_FRAGMENT_BIT, + .module = anv_shader_module_to_handle(&fs_module), + .pName = "main", + }, + }, + .pVertexInputState = &(VkPipelineVertexInputStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, + .vertexBindingDescriptionCount = 1, + .pVertexBindingDescriptions = (VkVertexInputBindingDescription[]) { + { + .binding = 0, + .stride = sizeof(struct vertex_attrs), + .inputRate = VK_VERTEX_INPUT_RATE_VERTEX + }, + }, + .vertexAttributeDescriptionCount = 3, + .pVertexAttributeDescriptions = (VkVertexInputAttributeDescription[]) { + { + /* VUE Header */ + .location = 0, + .binding = 0, + .format = VK_FORMAT_R32G32B32A32_UINT, + .offset = offsetof(struct vertex_attrs, vue_header), + }, + { + /* Position */ + .location = 1, + .binding = 0, + .format = VK_FORMAT_R32G32_SFLOAT, + .offset = offsetof(struct vertex_attrs, position), + }, + { + /* Texture Coordinate */ + .location = 2, + .binding = 0, + .format = VK_FORMAT_R32G32_SFLOAT, + .offset = offsetof(struct vertex_attrs, tex_position), + }, + }, + }, + .pInputAssemblyState = &(VkPipelineInputAssemblyStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, + .topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP, + .primitiveRestartEnable = false, + }, + .pViewportState = &(VkPipelineViewportStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, + .viewportCount = 1, + .scissorCount = 1, + }, + .pRasterizationState = &(VkPipelineRasterizationStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, + .depthClampEnable = false, + .rasterizerDiscardEnable = false, + .polygonMode = VK_POLYGON_MODE_FILL, + .cullMode = VK_CULL_MODE_NONE, + .frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE, + }, + .pMultisampleState = &(VkPipelineMultisampleStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, + .rasterizationSamples = 1, + .sampleShadingEnable = false, + .pSampleMask = (VkSampleMask[]) { 0x1 }, + .alphaToCoverageEnable = false, + .alphaToOneEnable = false, + }, + .pColorBlendState = &(VkPipelineColorBlendStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, + .logicOpEnable = false, + .attachmentCount = 1, + .pAttachments = (VkPipelineColorBlendAttachmentState []) { + { + .colorWriteMask = VK_COLOR_COMPONENT_R_BIT | + VK_COLOR_COMPONENT_G_BIT | + VK_COLOR_COMPONENT_B_BIT | + VK_COLOR_COMPONENT_A_BIT, + }, + }, + }, + .pDynamicState = &(VkPipelineDynamicStateCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, + .dynamicStateCount = 2, + .pDynamicStates = (VkDynamicState[]) { + VK_DYNAMIC_STATE_VIEWPORT, + VK_DYNAMIC_STATE_SCISSOR, + }, + }, + .layout = device->meta_state.resolve.pipeline_layout, + .renderPass = device->meta_state.resolve.pass, + .subpass = 0, + }, + &(struct anv_graphics_pipeline_create_info) { + .color_attachment_count = -1, + .use_repclear = false, + .disable_viewport = true, + .disable_scissor = true, + .disable_vs = true, + .use_rectlist = true + }, + &device->meta_state.alloc, + get_pipeline_h(device, num_samples)); + if (result != VK_SUCCESS) + goto cleanup; + + goto cleanup; + +cleanup: + ralloc_free(fs_module.nir); + return result; +} + +void +anv_device_finish_meta_resolve_state(struct anv_device *device) +{ + struct anv_meta_state *state = &device->meta_state; + VkDevice device_h = anv_device_to_handle(device); + VkRenderPass pass_h = device->meta_state.resolve.pass; + VkPipelineLayout pipeline_layout_h = device->meta_state.resolve.pipeline_layout; + VkDescriptorSetLayout ds_layout_h = device->meta_state.resolve.ds_layout; + const VkAllocationCallbacks *alloc = &device->meta_state.alloc; + + if (pass_h) + ANV_CALL(DestroyRenderPass)(device_h, pass_h, + &device->meta_state.alloc); + + if (pipeline_layout_h) + ANV_CALL(DestroyPipelineLayout)(device_h, pipeline_layout_h, alloc); + + if (ds_layout_h) + ANV_CALL(DestroyDescriptorSetLayout)(device_h, ds_layout_h, alloc); + + for (uint32_t i = 0; i < ARRAY_SIZE(state->resolve.pipelines); ++i) { + VkPipeline pipeline_h = state->resolve.pipelines[i]; + + if (pipeline_h) { + ANV_CALL(DestroyPipeline)(device_h, pipeline_h, alloc); + } + } +} + +VkResult +anv_device_init_meta_resolve_state(struct anv_device *device) +{ + VkResult res = VK_SUCCESS; + VkDevice device_h = anv_device_to_handle(device); + const VkAllocationCallbacks *alloc = &device->meta_state.alloc; + + const isl_sample_count_mask_t sample_count_mask = + isl_device_get_sample_counts(&device->isl_dev); + + zero(device->meta_state.resolve); + + struct anv_shader_module vs_module = { .nir = build_nir_vs() }; + if (!vs_module.nir) { + /* XXX: Need more accurate error */ + res = VK_ERROR_OUT_OF_HOST_MEMORY; + goto fail; + } + + VkShaderModule vs_module_h = anv_shader_module_to_handle(&vs_module); + + res = anv_CreateDescriptorSetLayout(device_h, + &(VkDescriptorSetLayoutCreateInfo) { + .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO, + .bindingCount = 1, + .pBindings = (VkDescriptorSetLayoutBinding[]) { + { + .binding = 0, + .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, + .descriptorCount = 1, + .stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT, + }, + }, + }, + alloc, + &device->meta_state.resolve.ds_layout); + if (res != VK_SUCCESS) + goto fail; + + res = anv_CreatePipelineLayout(device_h, + &(VkPipelineLayoutCreateInfo) { + .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, + .setLayoutCount = 1, + .pSetLayouts = (VkDescriptorSetLayout[]) { + device->meta_state.resolve.ds_layout, + }, + }, + alloc, + &device->meta_state.resolve.pipeline_layout); + if (res != VK_SUCCESS) + goto fail; + + res = create_pass(device); + if (res != VK_SUCCESS) + goto fail; + + for (uint32_t i = 0; + i < ARRAY_SIZE(device->meta_state.resolve.pipelines); ++i) { + + uint32_t sample_count = 1 << (1 + i); + if (!(sample_count_mask & sample_count)) + continue; + + res = create_pipeline(device, sample_count, vs_module_h); + if (res != VK_SUCCESS) + goto fail; + } + + goto cleanup; + +fail: + anv_device_finish_meta_resolve_state(device); + +cleanup: + ralloc_free(vs_module.nir); + + return res; +} + +static void +emit_resolve(struct anv_cmd_buffer *cmd_buffer, + struct anv_image_view *src_iview, + const VkOffset2D *src_offset, + struct anv_image_view *dest_iview, + const VkOffset2D *dest_offset, + const VkExtent2D *resolve_extent) +{ + struct anv_device *device = cmd_buffer->device; + VkDevice device_h = anv_device_to_handle(device); + VkCommandBuffer cmd_buffer_h = anv_cmd_buffer_to_handle(cmd_buffer); + const struct anv_framebuffer *fb = cmd_buffer->state.framebuffer; + const struct anv_image *src_image = src_iview->image; + VkDescriptorPool dummy_desc_pool_h = (VkDescriptorPool) 1; + + const struct vertex_attrs vertex_data[3] = { + { + .vue_header = {0}, + .position = { + dest_offset->x + resolve_extent->width, + dest_offset->y + resolve_extent->height, + }, + .tex_position = { + src_offset->x + resolve_extent->width, + src_offset->y + resolve_extent->height, + }, + }, + { + .vue_header = {0}, + .position = { + dest_offset->x, + dest_offset->y + resolve_extent->height, + }, + .tex_position = { + src_offset->x, + src_offset->y + resolve_extent->height, + }, + }, + { + .vue_header = {0}, + .position = { + dest_offset->x, + dest_offset->y, + }, + .tex_position = { + src_offset->x, + src_offset->y, + }, + }, + }; + + struct anv_state vertex_mem = + anv_cmd_buffer_emit_dynamic(cmd_buffer, vertex_data, + sizeof(vertex_data), 16); + + struct anv_buffer vertex_buffer = { + .device = device, + .size = sizeof(vertex_data), + .bo = &cmd_buffer->dynamic_state_stream.block_pool->bo, + .offset = vertex_mem.offset, + }; + + VkBuffer vertex_buffer_h = anv_buffer_to_handle(&vertex_buffer); + + anv_CmdBindVertexBuffers(cmd_buffer_h, + /*firstBinding*/ 0, + /*bindingCount*/ 1, + (VkBuffer[]) { vertex_buffer_h }, + (VkDeviceSize[]) { 0 }); + + VkSampler sampler_h; + ANV_CALL(CreateSampler)(device_h, + &(VkSamplerCreateInfo) { + .sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO, + .magFilter = VK_FILTER_NEAREST, + .minFilter = VK_FILTER_NEAREST, + .mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST, + .addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, + .addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, + .addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, + .mipLodBias = 0.0, + .anisotropyEnable = false, + .compareEnable = false, + .minLod = 0.0, + .maxLod = 0.0, + .unnormalizedCoordinates = false, + }, + &cmd_buffer->pool->alloc, + &sampler_h); + + VkDescriptorSet desc_set_h; + anv_AllocateDescriptorSets(device_h, + &(VkDescriptorSetAllocateInfo) { + .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, + .descriptorPool = dummy_desc_pool_h, + .descriptorSetCount = 1, + .pSetLayouts = (VkDescriptorSetLayout[]) { + device->meta_state.resolve.ds_layout, + }, + }, + &desc_set_h); + + ANV_FROM_HANDLE(anv_descriptor_set, desc_set, desc_set_h); + + anv_UpdateDescriptorSets(device_h, + /*writeCount*/ 1, + (VkWriteDescriptorSet[]) { + { + .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, + .dstSet = desc_set_h, + .dstBinding = 0, + .dstArrayElement = 0, + .descriptorCount = 1, + .descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, + .pImageInfo = (VkDescriptorImageInfo[]) { + { + .sampler = sampler_h, + .imageView = anv_image_view_to_handle(src_iview), + .imageLayout = VK_IMAGE_LAYOUT_GENERAL, + }, + }, + }, + }, + /*copyCount*/ 0, + /*copies */ NULL); + + ANV_CALL(CmdSetViewport)(cmd_buffer_h, + /*firstViewport*/ 0, + /*viewportCount*/ 1, + (VkViewport[]) { + { + .x = 0, + .y = 0, + .width = fb->width, + .height = fb->height, + .minDepth = 0.0, + .maxDepth = 1.0, + }, + }); + + ANV_CALL(CmdSetScissor)(cmd_buffer_h, + /*firstScissor*/ 0, + /*scissorCount*/ 1, + (VkRect2D[]) { + { + .offset = { 0, 0 }, + .extent = (VkExtent2D) { fb->width, fb->height }, + }, + }); + + VkPipeline pipeline_h = *get_pipeline_h(device, src_image->samples); + ANV_FROM_HANDLE(anv_pipeline, pipeline, pipeline_h); + + if (cmd_buffer->state.pipeline != pipeline) { + anv_CmdBindPipeline(cmd_buffer_h, VK_PIPELINE_BIND_POINT_GRAPHICS, + pipeline_h); + } + + anv_CmdBindDescriptorSets(cmd_buffer_h, + VK_PIPELINE_BIND_POINT_GRAPHICS, + device->meta_state.resolve.pipeline_layout, + /*firstSet*/ 0, + /* setCount */ 1, + (VkDescriptorSet[]) { + desc_set_h, + }, + /*copyCount*/ 0, + /*copies */ NULL); + + ANV_CALL(CmdDraw)(cmd_buffer_h, 3, 1, 0, 0); + + /* All objects below are consumed by the draw call. We may safely destroy + * them. + */ + anv_descriptor_set_destroy(device, desc_set); + anv_DestroySampler(device_h, sampler_h, + &cmd_buffer->pool->alloc); +} + +void anv_CmdResolveImage( + VkCommandBuffer cmd_buffer_h, + VkImage src_image_h, + VkImageLayout src_image_layout, + VkImage dest_image_h, + VkImageLayout dest_image_layout, + uint32_t region_count, + const VkImageResolve* regions) +{ + ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, cmd_buffer_h); + ANV_FROM_HANDLE(anv_image, src_image, src_image_h); + ANV_FROM_HANDLE(anv_image, dest_image, dest_image_h); + struct anv_device *device = cmd_buffer->device; + struct anv_meta_saved_state state; + VkDevice device_h = anv_device_to_handle(device); + + meta_resolve_save(&state, cmd_buffer); + + assert(src_image->samples > 1); + assert(dest_image->samples == 1); + + if (src_image->samples >= 16) { + /* See commit aa3f9aaf31e9056a255f9e0472ebdfdaa60abe54 for the + * glBlitFramebuffer workaround for samples >= 16. + */ + anv_finishme("vkCmdResolveImage: need interpolation workaround when " + "samples >= 16"); + } + + if (src_image->array_size > 1) + anv_finishme("vkCmdResolveImage: multisample array images"); + + for (uint32_t r = 0; r < region_count; ++r) { + const VkImageResolve *region = ®ions[r]; + + /* From the Vulkan 1.0 spec: + * + * - The aspectMask member of srcSubresource and dstSubresource must + * only contain VK_IMAGE_ASPECT_COLOR_BIT + * + * - The layerCount member of srcSubresource and dstSubresource must + * match + */ + assert(region->srcSubresource.aspectMask == VK_IMAGE_ASPECT_COLOR_BIT); + assert(region->dstSubresource.aspectMask == VK_IMAGE_ASPECT_COLOR_BIT); + assert(region->srcSubresource.layerCount == + region->dstSubresource.layerCount); + + const uint32_t src_base_layer = + anv_meta_get_iview_layer(src_image, ®ion->srcSubresource, + ®ion->srcOffset); + + const uint32_t dest_base_layer = + anv_meta_get_iview_layer(dest_image, ®ion->dstSubresource, + ®ion->dstOffset); + + for (uint32_t layer = 0; layer < region->srcSubresource.layerCount; + ++layer) { + + struct anv_image_view src_iview; + anv_image_view_init(&src_iview, cmd_buffer->device, + &(VkImageViewCreateInfo) { + .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, + .image = src_image_h, + .viewType = anv_meta_get_view_type(src_image), + .format = src_image->format->vk_format, + .subresourceRange = { + .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, + .baseMipLevel = region->srcSubresource.mipLevel, + .levelCount = 1, + .baseArrayLayer = src_base_layer + layer, + .layerCount = 1, + }, + }, + cmd_buffer, 0); + + struct anv_image_view dest_iview; + anv_image_view_init(&dest_iview, cmd_buffer->device, + &(VkImageViewCreateInfo) { + .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, + .image = dest_image_h, + .viewType = anv_meta_get_view_type(dest_image), + .format = dest_image->format->vk_format, + .subresourceRange = { + .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, + .baseMipLevel = region->dstSubresource.mipLevel, + .levelCount = 1, + .baseArrayLayer = dest_base_layer + layer, + .layerCount = 1, + }, + }, + cmd_buffer, 0); + + VkFramebuffer fb_h; + anv_CreateFramebuffer(device_h, + &(VkFramebufferCreateInfo) { + .sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, + .attachmentCount = 1, + .pAttachments = (VkImageView[]) { + anv_image_view_to_handle(&dest_iview), + }, + .width = anv_minify(dest_image->extent.width, + region->dstSubresource.mipLevel), + .height = anv_minify(dest_image->extent.height, + region->dstSubresource.mipLevel), + .layers = 1 + }, + &cmd_buffer->pool->alloc, + &fb_h); + + ANV_CALL(CmdBeginRenderPass)(cmd_buffer_h, + &(VkRenderPassBeginInfo) { + .sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, + .renderPass = device->meta_state.resolve.pass, + .framebuffer = fb_h, + .renderArea = { + .offset = { + region->dstOffset.x, + region->dstOffset.y, + }, + .extent = { + region->extent.width, + region->extent.height, + } + }, + .clearValueCount = 0, + .pClearValues = NULL, + }, + VK_SUBPASS_CONTENTS_INLINE); + + emit_resolve(cmd_buffer, + &src_iview, + &(VkOffset2D) { + .x = region->srcOffset.x, + .y = region->srcOffset.y, + }, + &dest_iview, + &(VkOffset2D) { + .x = region->dstOffset.x, + .y = region->dstOffset.y, + }, + &(VkExtent2D) { + .width = region->extent.width, + .height = region->extent.height, + }); + + ANV_CALL(CmdEndRenderPass)(cmd_buffer_h); + + anv_DestroyFramebuffer(device_h, fb_h, + &cmd_buffer->pool->alloc); + } + } + + meta_resolve_restore(&state, cmd_buffer); +} + +/** + * Emit any needed resolves for the current subpass. + */ +void +anv_cmd_buffer_resolve_subpass(struct anv_cmd_buffer *cmd_buffer) +{ + struct anv_framebuffer *fb = cmd_buffer->state.framebuffer; + struct anv_subpass *subpass = cmd_buffer->state.subpass; + struct anv_meta_saved_state saved_state; + + /* FINISHME(perf): Skip clears for resolve attachments. + * + * From the Vulkan 1.0 spec: + * + * If the first use of an attachment in a render pass is as a resolve + * attachment, then the loadOp is effectively ignored as the resolve is + * guaranteed to overwrite all pixels in the render area. + */ + + if (!subpass->has_resolve) + return; + + meta_resolve_save(&saved_state, cmd_buffer); + + for (uint32_t i = 0; i < subpass->color_count; ++i) { + uint32_t src_att = subpass->color_attachments[i]; + uint32_t dest_att = subpass->resolve_attachments[i]; + + if (dest_att == VK_ATTACHMENT_UNUSED) + continue; + + struct anv_image_view *src_iview = fb->attachments[src_att]; + struct anv_image_view *dest_iview = fb->attachments[dest_att]; + + struct anv_subpass resolve_subpass = { + .color_count = 1, + .color_attachments = (uint32_t[]) { dest_att }, + .depth_stencil_attachment = VK_ATTACHMENT_UNUSED, + }; + + anv_cmd_buffer_set_subpass(cmd_buffer, &resolve_subpass); + + /* Subpass resolves must respect the render area. We can ignore the + * render area here because vkCmdBeginRenderPass set the render area + * with 3DSTATE_DRAWING_RECTANGLE. + * + * XXX(chadv): Does the hardware really respect + * 3DSTATE_DRAWING_RECTANGLE when draing a 3DPRIM_RECTLIST? + */ + emit_resolve(cmd_buffer, + src_iview, + &(VkOffset2D) { 0, 0 }, + dest_iview, + &(VkOffset2D) { 0, 0 }, + &(VkExtent2D) { fb->width, fb->height }); + } + + cmd_buffer->state.subpass = subpass; + meta_resolve_restore(&saved_state, cmd_buffer); +} |