Files
Xenia-Canary/src/xenia/gpu/vulkan/texture_cache.cc
2016-03-25 17:29:39 -05:00

846 lines
31 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2016 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/gpu/vulkan/texture_cache.h"
#include "xenia/base/logging.h"
#include "xenia/base/math.h"
#include "xenia/base/memory.h"
#include "xenia/base/profiling.h"
#include "xenia/gpu/gpu_flags.h"
#include "xenia/gpu/sampler_info.h"
#include "xenia/gpu/texture_info.h"
#include "xenia/gpu/vulkan/vulkan_gpu_flags.h"
namespace xe {
namespace gpu {
namespace vulkan {
using xe::ui::vulkan::CheckResult;
constexpr uint32_t kMaxTextureSamplers = 32;
struct TextureConfig {
TextureFormat guest_format;
VkFormat host_format;
};
TextureCache::TextureCache(Memory* memory, RegisterFile* register_file,
TraceWriter* trace_writer,
ui::vulkan::VulkanDevice* device)
: memory_(memory),
register_file_(register_file),
trace_writer_(trace_writer),
device_(device),
staging_buffer_(device) {
// Descriptor pool used for all of our cached descriptors.
VkDescriptorPoolCreateInfo descriptor_pool_info;
descriptor_pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descriptor_pool_info.pNext = nullptr;
descriptor_pool_info.flags =
VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
descriptor_pool_info.maxSets = 4096;
VkDescriptorPoolSize pool_sizes[2];
pool_sizes[0].type = VK_DESCRIPTOR_TYPE_SAMPLER;
pool_sizes[0].descriptorCount = 32;
pool_sizes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
pool_sizes[1].descriptorCount = 32;
descriptor_pool_info.poolSizeCount = 2;
descriptor_pool_info.pPoolSizes = pool_sizes;
auto err = vkCreateDescriptorPool(*device_, &descriptor_pool_info, nullptr,
&descriptor_pool_);
CheckResult(err, "vkCreateDescriptorPool");
// Create the descriptor set layout used for rendering.
// We always have the same number of samplers but only some are used.
VkDescriptorSetLayoutBinding bindings[5];
auto& sampler_binding = bindings[0];
sampler_binding.binding = 0;
sampler_binding.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
sampler_binding.descriptorCount = kMaxTextureSamplers;
sampler_binding.stageFlags =
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
sampler_binding.pImmutableSamplers = nullptr;
for (int i = 0; i < 4; ++i) {
auto& texture_binding = bindings[1 + i];
texture_binding.binding = 1 + i;
texture_binding.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
texture_binding.descriptorCount = kMaxTextureSamplers;
texture_binding.stageFlags =
VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
texture_binding.pImmutableSamplers = nullptr;
}
VkDescriptorSetLayoutCreateInfo descriptor_set_layout_info;
descriptor_set_layout_info.sType =
VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
descriptor_set_layout_info.pNext = nullptr;
descriptor_set_layout_info.flags = 0;
descriptor_set_layout_info.bindingCount =
static_cast<uint32_t>(xe::countof(bindings));
descriptor_set_layout_info.pBindings = bindings;
err = vkCreateDescriptorSetLayout(*device_, &descriptor_set_layout_info,
nullptr, &texture_descriptor_set_layout_);
CheckResult(err, "vkCreateDescriptorSetLayout");
int width = 4096;
int height = 4096;
if (!staging_buffer_.Initialize(width * height * 4,
VK_BUFFER_USAGE_TRANSFER_SRC_BIT)) {
assert_always();
}
// Upload a grid into the staging buffer.
auto gpu_data = reinterpret_cast<uint32_t*>(staging_buffer_.host_base());
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
gpu_data[y * width + x] =
((y % 32 < 16) ^ (x % 32 >= 16)) ? 0xFF0000FF : 0xFFFFFFFF;
}
}
}
TextureCache::~TextureCache() {
vkDestroyDescriptorSetLayout(*device_, texture_descriptor_set_layout_,
nullptr);
vkDestroyDescriptorPool(*device_, descriptor_pool_, nullptr);
}
TextureCache::Texture* TextureCache::AllocateTexture(
const TextureInfo& texture_info) {
// Create an image first.
VkImageCreateInfo image_info = {};
image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
switch (texture_info.dimension) {
case Dimension::k1D:
image_info.imageType = VK_IMAGE_TYPE_1D;
break;
case Dimension::k2D:
image_info.imageType = VK_IMAGE_TYPE_2D;
break;
case Dimension::k3D:
image_info.imageType = VK_IMAGE_TYPE_3D;
break;
case Dimension::kCube:
image_info.imageType = VK_IMAGE_TYPE_2D;
image_info.flags |= VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
break;
default:
assert_unhandled_case(texture_info.dimension);
return nullptr;
}
// TODO: Format
image_info.format = VK_FORMAT_R8G8B8A8_UNORM;
image_info.extent = {texture_info.width + 1, texture_info.height + 1,
texture_info.depth + 1};
image_info.mipLevels = 1;
image_info.arrayLayers = 1;
image_info.samples = VK_SAMPLE_COUNT_1_BIT;
image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
image_info.usage = VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
image_info.queueFamilyIndexCount = 0;
image_info.pQueueFamilyIndices = nullptr;
image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
VkImage image;
auto err = vkCreateImage(*device_, &image_info, nullptr, &image);
CheckResult(err, "vkCreateImage");
VkMemoryRequirements mem_requirements;
vkGetImageMemoryRequirements(*device_, image, &mem_requirements);
// TODO: Use a circular buffer or something else to allocate this memory.
// The device has a limited amount (around 64) of memory allocations that we
// can make.
// Now that we have the size, back the image with GPU memory.
auto memory = device_->AllocateMemory(mem_requirements, 0);
if (!memory) {
// Crap.
assert_always();
vkDestroyImage(*device_, image, nullptr);
return nullptr;
}
err = vkBindImageMemory(*device_, image, memory, 0);
CheckResult(err, "vkBindImageMemory");
auto texture = new Texture();
texture->format = image_info.format;
texture->image = image;
texture->image_layout = image_info.initialLayout;
texture->image_memory = memory;
texture->memory_offset = 0;
texture->memory_size = mem_requirements.size;
texture->texture_info = texture_info;
// Create a default view, just for kicks.
VkImageViewCreateInfo view_info;
view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
view_info.pNext = nullptr;
view_info.flags = 0;
view_info.image = image;
view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
view_info.format = image_info.format;
view_info.components = {
VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A,
};
view_info.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
VkImageView view;
err = vkCreateImageView(*device_, &view_info, nullptr, &view);
CheckResult(err, "vkCreateImageView");
if (err == VK_SUCCESS) {
auto texture_view = std::make_unique<TextureView>();
texture_view->texture = texture;
texture_view->view = view;
texture_view->swiz_x = 0;
texture_view->swiz_y = 1;
texture_view->swiz_z = 2;
texture_view->swiz_w = 3;
texture->views.push_back(std::move(texture_view));
}
return texture;
}
bool TextureCache::FreeTexture(Texture* texture) {
// TODO(DrChat)
return false;
}
TextureCache::Texture* TextureCache::DemandResolveTexture(
const TextureInfo& texture_info, TextureFormat format,
uint32_t* out_offset_x, uint32_t* out_offset_y) {
// Check to see if we've already used a texture at this location.
auto texture = LookupAddress(
texture_info.guest_address, texture_info.size_2d.block_width,
texture_info.size_2d.block_height, format, out_offset_x, out_offset_y);
if (texture) {
return texture;
}
// No texture at this location. Make a new one.
texture = AllocateTexture(texture_info);
texture->is_full_texture = false;
resolve_textures_.push_back(std::unique_ptr<Texture>(texture));
return texture;
}
TextureCache::Texture* TextureCache::Demand(
const TextureInfo& texture_info, VkCommandBuffer command_buffer,
std::shared_ptr<ui::vulkan::Fence> completion_fence) {
// Run a tight loop to scan for an exact match existing texture.
auto texture_hash = texture_info.hash();
for (auto it = textures_.find(texture_hash); it != textures_.end(); ++it) {
if (it->second->texture_info == texture_info) {
return it->second.get();
}
}
// Check resolve textures.
for (auto it = resolve_textures_.begin(); it != resolve_textures_.end();
++it) {
auto texture = (*it).get();
if (texture_info.guest_address == texture->texture_info.guest_address &&
texture_info.size_2d.logical_width ==
texture->texture_info.size_2d.logical_width &&
texture_info.size_2d.logical_height ==
texture->texture_info.size_2d.logical_height) {
// Exact match.
// TODO: Lazy match (at an offset)
// Upgrade this texture to a full texture.
texture->is_full_texture = true;
texture->texture_info = texture_info;
textures_[texture_hash] = std::move(*it);
it = resolve_textures_.erase(it);
return textures_[texture_hash].get();
}
}
if (!command_buffer) {
// Texture not found and no command buffer was passed, preventing us from
// uploading a new one.
return nullptr;
}
// Create a new texture and cache it.
auto texture = AllocateTexture(texture_info);
if (!texture) {
// Failed to allocate texture (out of memory?)
assert_always();
return nullptr;
}
bool uploaded = false;
switch (texture_info.dimension) {
case Dimension::k2D: {
uploaded = UploadTexture2D(command_buffer, completion_fence, texture,
texture_info);
} break;
default:
assert_unhandled_case(texture_info.dimension);
break;
}
// Okay. Now that the texture is uploaded from system memory, put a writewatch
// on it to tell us if it's been modified from the guest.
if (!uploaded) {
// TODO: Destroy the texture.
assert_always();
return nullptr;
}
// Though we didn't find an exact match, that doesn't mean we're out of the
// woods yet. This texture could either be a portion of another texture or
// vice versa. Copy any overlapping textures into this texture.
// TODO: Byte count -> pixel count (on x and y axes)
for (auto it = textures_.begin(); it != textures_.end(); ++it) {
}
textures_[texture_hash] = std::unique_ptr<Texture>(texture);
return texture;
}
TextureCache::TextureView* TextureCache::DemandView(Texture* texture,
uint16_t swizzle) {
for (auto it = texture->views.begin(); it != texture->views.end(); ++it) {
if ((*it)->swizzle == swizzle) {
return (*it).get();
}
}
VkImageViewCreateInfo view_info;
view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
view_info.pNext = nullptr;
view_info.flags = 0;
view_info.image = texture->image;
view_info.format = texture->format;
switch (texture->texture_info.dimension) {
case Dimension::k1D:
view_info.viewType = VK_IMAGE_VIEW_TYPE_1D;
break;
case Dimension::k2D:
view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
break;
case Dimension::k3D:
view_info.viewType = VK_IMAGE_VIEW_TYPE_3D;
break;
case Dimension::kCube:
view_info.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
break;
default:
assert_always();
}
VkComponentSwizzle swiz_component_map[] = {
VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
VK_COMPONENT_SWIZZLE_ONE, VK_COMPONENT_SWIZZLE_ZERO,
VK_COMPONENT_SWIZZLE_IDENTITY,
};
view_info.components = {
swiz_component_map[(swizzle >> 0) & 0x7],
swiz_component_map[(swizzle >> 3) & 0x7],
swiz_component_map[(swizzle >> 6) & 0x7],
swiz_component_map[(swizzle >> 9) & 0x7],
};
view_info.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
VkImageView view;
auto status = vkCreateImageView(*device_, &view_info, nullptr, &view);
CheckResult(status, "vkCreateImageView");
if (status == VK_SUCCESS) {
auto texture_view = new TextureView();
texture_view->texture = texture;
texture_view->view = view;
texture_view->swizzle = swizzle;
texture->views.push_back(std::unique_ptr<TextureView>(texture_view));
return texture_view;
}
return nullptr;
}
TextureCache::Sampler* TextureCache::Demand(const SamplerInfo& sampler_info) {
auto sampler_hash = sampler_info.hash();
for (auto it = samplers_.find(sampler_hash); it != samplers_.end(); ++it) {
if (it->second->sampler_info == sampler_info) {
// Found a compatible sampler.
return it->second.get();
}
}
VkResult status = VK_SUCCESS;
// Create a new sampler and cache it.
// TODO: Actually set the properties
VkSamplerCreateInfo sampler_create_info;
sampler_create_info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
sampler_create_info.pNext = nullptr;
sampler_create_info.flags = 0;
sampler_create_info.minFilter = VK_FILTER_NEAREST;
sampler_create_info.magFilter = VK_FILTER_NEAREST;
sampler_create_info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
// FIXME: Both halfway / mirror clamp to border aren't mapped properly.
VkSamplerAddressMode address_mode_map[] = {
/* kRepeat */ VK_SAMPLER_ADDRESS_MODE_REPEAT,
/* kMirroredRepeat */ VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT,
/* kClampToEdge */ VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
/* kMirrorClampToEdge */ VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE,
/* kClampToHalfway */ VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE,
/* kMirrorClampToHalfway */ VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE,
/* kClampToBorder */ VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER,
/* kMirrorClampToBorder */ VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE,
};
sampler_create_info.addressModeU =
address_mode_map[static_cast<int>(sampler_info.clamp_u)];
sampler_create_info.addressModeV =
address_mode_map[static_cast<int>(sampler_info.clamp_v)];
sampler_create_info.addressModeW =
address_mode_map[static_cast<int>(sampler_info.clamp_w)];
sampler_create_info.mipLodBias = 0.0f;
sampler_create_info.anisotropyEnable = VK_FALSE;
sampler_create_info.maxAnisotropy = 1.0f;
sampler_create_info.compareEnable = VK_FALSE;
sampler_create_info.compareOp = VK_COMPARE_OP_NEVER;
sampler_create_info.minLod = 0.0f;
sampler_create_info.maxLod = 0.0f;
sampler_create_info.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_BLACK;
sampler_create_info.unnormalizedCoordinates = VK_FALSE;
VkSampler vk_sampler;
status =
vkCreateSampler(*device_, &sampler_create_info, nullptr, &vk_sampler);
CheckResult(status, "vkCreateSampler");
if (status != VK_SUCCESS) {
return nullptr;
}
auto sampler = new Sampler();
sampler->sampler = vk_sampler;
sampler->sampler_info = sampler_info;
samplers_[sampler_hash] = std::unique_ptr<Sampler>(sampler);
return sampler;
}
TextureCache::Texture* TextureCache::LookupAddress(
uint32_t guest_address, uint32_t width, uint32_t height,
TextureFormat format, uint32_t* offset_x, uint32_t* offset_y) {
for (auto it = textures_.begin(); it != textures_.end(); ++it) {
const auto& texture_info = it->second->texture_info;
if (guest_address >= texture_info.guest_address &&
guest_address <
texture_info.guest_address + texture_info.input_length &&
offset_x && offset_y) {
auto offset_bytes = guest_address - texture_info.guest_address;
if (texture_info.dimension == Dimension::k2D) {
*offset_y = offset_bytes / texture_info.size_2d.input_pitch;
if (offset_bytes % texture_info.size_2d.input_pitch != 0) {
// TODO: offset_x
}
}
return it->second.get();
}
if (texture_info.guest_address == guest_address &&
texture_info.dimension == Dimension::k2D &&
texture_info.size_2d.input_width == width &&
texture_info.size_2d.input_height == height) {
return it->second.get();
}
}
// Check resolve textures
for (auto it = resolve_textures_.begin(); it != resolve_textures_.end();
++it) {
const auto& texture_info = (*it)->texture_info;
if (guest_address >= texture_info.guest_address &&
guest_address <
texture_info.guest_address + texture_info.input_length &&
offset_x && offset_y) {
auto offset_bytes = guest_address - texture_info.guest_address;
if (texture_info.dimension == Dimension::k2D) {
*offset_y = offset_bytes / texture_info.size_2d.input_pitch;
if (offset_bytes % texture_info.size_2d.input_pitch != 0) {
// TODO: offset_x
}
}
return (*it).get();
}
if (texture_info.guest_address == guest_address &&
texture_info.dimension == Dimension::k2D &&
texture_info.size_2d.input_width == width &&
texture_info.size_2d.input_height == height) {
return (*it).get();
}
}
return nullptr;
}
void TextureSwap(Endian endianness, void* dest, const void* src,
size_t length) {
switch (endianness) {
case Endian::k8in16:
xe::copy_and_swap_16_aligned(dest, src, length / 2);
break;
case Endian::k8in32:
xe::copy_and_swap_32_aligned(dest, src, length / 4);
break;
case Endian::k16in32: // Swap high and low 16 bits within a 32 bit word
xe::copy_and_swap_16_in_32_aligned(dest, src, length);
break;
default:
case Endian::kUnspecified:
std::memcpy(dest, src, length);
break;
}
}
bool TextureCache::UploadTexture2D(
VkCommandBuffer command_buffer,
std::shared_ptr<ui::vulkan::Fence> completion_fence, Texture* dest,
TextureInfo src) {
SCOPE_profile_cpu_f("gpu");
assert_true(src.dimension == Dimension::k2D);
if (!staging_buffer_.CanAcquire(src.input_length)) {
// Need to have unique memory for every upload for at least one frame. If we
// run out of memory, we need to flush all queued upload commands to the
// GPU.
// TODO: Actually flush commands.
assert_always();
}
// Grab some temporary memory for staging.
auto alloc = staging_buffer_.Acquire(src.input_length, completion_fence);
assert_not_null(alloc);
// TODO: Support these cases.
// assert_false(src.is_tiled);
// assert_false(src.is_compressed());
// Upload texture into GPU memory.
// TODO: If the GPU supports it, we can submit a compute batch to convert the
// texture and copy it to its destination. Otherwise, fallback to conversion
// on the CPU.
auto guest_ptr = memory_->TranslatePhysical(src.guest_address);
TextureSwap(src.endianness, alloc->host_ptr, guest_ptr, src.input_length);
staging_buffer_.Flush(alloc);
// Insert a memory barrier into the command buffer to ensure the upload has
// finished before we copy it into the destination texture.
VkBufferMemoryBarrier upload_barrier = {
VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
NULL,
VK_ACCESS_HOST_WRITE_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_QUEUE_FAMILY_IGNORED,
VK_QUEUE_FAMILY_IGNORED,
staging_buffer_.gpu_buffer(),
alloc->offset,
alloc->aligned_length,
};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 1,
&upload_barrier, 0, nullptr);
// Transition the texture into a transfer destination layout.
VkImageMemoryBarrier barrier;
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.pNext = nullptr;
barrier.srcAccessMask = 0;
barrier.dstAccessMask =
VK_ACCESS_TRANSFER_WRITE_BIT | VK_ACCESS_HOST_WRITE_BIT;
barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = dest->image;
barrier.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
assert_true(src.size_2d.input_width >=
dest->texture_info.size_2d.output_width);
assert_true(src.size_2d.input_height >=
dest->texture_info.size_2d.output_height);
// For now, just transfer the grid we uploaded earlier into the texture.
VkBufferImageCopy copy_region;
copy_region.bufferOffset = alloc->offset;
copy_region.bufferRowLength = src.width + 1;
copy_region.bufferImageHeight = src.height + 1;
copy_region.imageSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
copy_region.imageOffset = {0, 0, 0};
copy_region.imageExtent = {dest->texture_info.width + 1,
dest->texture_info.height + 1,
dest->texture_info.depth + 1};
vkCmdCopyBufferToImage(command_buffer, staging_buffer_.gpu_buffer(),
dest->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1,
&copy_region);
// Now transition the texture into a shader readonly source.
barrier.srcAccessMask = barrier.dstAccessMask;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
barrier.oldLayout = barrier.newLayout;
barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &barrier);
dest->image_layout = barrier.newLayout;
return true;
}
VkDescriptorSet TextureCache::PrepareTextureSet(
VkCommandBuffer command_buffer,
std::shared_ptr<ui::vulkan::Fence> completion_fence,
const std::vector<Shader::TextureBinding>& vertex_bindings,
const std::vector<Shader::TextureBinding>& pixel_bindings) {
// Clear state.
auto update_set_info = &update_set_info_;
update_set_info->has_setup_fetch_mask = 0;
update_set_info->image_1d_write_count = 0;
update_set_info->image_2d_write_count = 0;
update_set_info->image_3d_write_count = 0;
update_set_info->image_cube_write_count = 0;
std::memset(update_set_info, 0, sizeof(update_set_info_));
// Process vertex and pixel shader bindings.
// This does things lazily and de-dupes fetch constants reused in both
// shaders.
bool any_failed = false;
any_failed = !SetupTextureBindings(command_buffer, completion_fence,
update_set_info, vertex_bindings) ||
any_failed;
any_failed = !SetupTextureBindings(command_buffer, completion_fence,
update_set_info, pixel_bindings) ||
any_failed;
if (any_failed) {
XELOGW("Failed to setup one or more texture bindings");
// TODO(benvanik): actually bail out here?
}
// TODO(benvanik): reuse.
VkDescriptorSet descriptor_set = nullptr;
VkDescriptorSetAllocateInfo set_alloc_info;
set_alloc_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
set_alloc_info.pNext = nullptr;
set_alloc_info.descriptorPool = descriptor_pool_;
set_alloc_info.descriptorSetCount = 1;
set_alloc_info.pSetLayouts = &texture_descriptor_set_layout_;
auto err =
vkAllocateDescriptorSets(*device_, &set_alloc_info, &descriptor_set);
CheckResult(err, "vkAllocateDescriptorSets");
// Write all updated descriptors.
// TODO(benvanik): optimize? split into multiple sets? set per type?
VkWriteDescriptorSet descriptor_writes[4];
std::memset(descriptor_writes, 0, sizeof(descriptor_writes));
uint32_t descriptor_write_count = 0;
/*
// TODO(DrChat): Do we really need to separate samplers and images here?
if (update_set_info->sampler_write_count) {
auto& sampler_write = descriptor_writes[descriptor_write_count++];
sampler_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
sampler_write.pNext = nullptr;
sampler_write.dstSet = descriptor_set;
sampler_write.dstBinding = 0;
sampler_write.dstArrayElement = 0;
sampler_write.descriptorCount = update_set_info->sampler_write_count;
sampler_write.descriptorType = VK_DESCRIPTOR_TYPE_SAMPLER;
sampler_write.pImageInfo = update_set_info->sampler_infos;
}
*/
// FIXME: These are not be lined up properly with tf binding points!!!!!
if (update_set_info->image_1d_write_count) {
auto& image_write = descriptor_writes[descriptor_write_count++];
image_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
image_write.pNext = nullptr;
image_write.dstSet = descriptor_set;
image_write.dstBinding = 1;
image_write.dstArrayElement = 0;
image_write.descriptorCount = update_set_info->image_1d_write_count;
image_write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
image_write.pImageInfo = update_set_info->image_1d_infos;
}
if (update_set_info->image_2d_write_count) {
auto& image_write = descriptor_writes[descriptor_write_count++];
image_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
image_write.pNext = nullptr;
image_write.dstSet = descriptor_set;
image_write.dstBinding = 2;
image_write.dstArrayElement = 0;
image_write.descriptorCount = update_set_info->image_2d_write_count;
image_write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
image_write.pImageInfo = update_set_info->image_2d_infos;
}
if (update_set_info->image_3d_write_count) {
auto& image_write = descriptor_writes[descriptor_write_count++];
image_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
image_write.pNext = nullptr;
image_write.dstSet = descriptor_set;
image_write.dstBinding = 3;
image_write.dstArrayElement = 0;
image_write.descriptorCount = update_set_info->image_3d_write_count;
image_write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
image_write.pImageInfo = update_set_info->image_3d_infos;
}
if (update_set_info->image_cube_write_count) {
auto& image_write = descriptor_writes[descriptor_write_count++];
image_write.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
image_write.pNext = nullptr;
image_write.dstSet = descriptor_set;
image_write.dstBinding = 4;
image_write.dstArrayElement = 0;
image_write.descriptorCount = update_set_info->image_cube_write_count;
image_write.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
image_write.pImageInfo = update_set_info->image_cube_infos;
}
if (descriptor_write_count) {
vkUpdateDescriptorSets(*device_, descriptor_write_count, descriptor_writes,
0, nullptr);
}
in_flight_sets_.push_back({descriptor_set, completion_fence});
return descriptor_set;
}
bool TextureCache::SetupTextureBindings(
VkCommandBuffer command_buffer,
std::shared_ptr<ui::vulkan::Fence> completion_fence,
UpdateSetInfo* update_set_info,
const std::vector<Shader::TextureBinding>& bindings) {
bool any_failed = false;
for (auto& binding : bindings) {
uint32_t fetch_bit = 1 << binding.fetch_constant;
if ((update_set_info->has_setup_fetch_mask & fetch_bit) == 0) {
// Needs setup.
any_failed = !SetupTextureBinding(command_buffer, completion_fence,
update_set_info, binding) ||
any_failed;
update_set_info->has_setup_fetch_mask |= fetch_bit;
}
}
return !any_failed;
}
bool TextureCache::SetupTextureBinding(
VkCommandBuffer command_buffer,
std::shared_ptr<ui::vulkan::Fence> completion_fence,
UpdateSetInfo* update_set_info, const Shader::TextureBinding& binding) {
auto& regs = *register_file_;
int r = XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0 + binding.fetch_constant * 6;
auto group =
reinterpret_cast<const xenos::xe_gpu_fetch_group_t*>(&regs.values[r]);
auto& fetch = group->texture_fetch;
// Disabled?
// TODO(benvanik): reset sampler.
if (!fetch.type) {
return true;
}
assert_true(fetch.type == 0x2);
TextureInfo texture_info;
if (!TextureInfo::Prepare(fetch, &texture_info)) {
XELOGE("Unable to parse texture fetcher info");
return false; // invalid texture used
}
SamplerInfo sampler_info;
if (!SamplerInfo::Prepare(fetch, binding.fetch_instr, &sampler_info)) {
XELOGE("Unable to parse sampler info");
return false; // invalid texture used
}
auto texture = Demand(texture_info, command_buffer, completion_fence);
auto sampler = Demand(sampler_info);
assert_true(texture != nullptr && sampler != nullptr);
if (texture == nullptr || sampler == nullptr) {
return false;
}
uint16_t swizzle = static_cast<uint16_t>(fetch.swizzle);
auto view = DemandView(texture, swizzle);
trace_writer_->WriteMemoryRead(texture_info.guest_address,
texture_info.input_length);
VkDescriptorImageInfo* image_write = nullptr;
switch (texture_info.dimension) {
case Dimension::k1D:
image_write =
&update_set_info
->image_1d_infos[update_set_info->image_1d_write_count++];
break;
case Dimension::k2D:
image_write =
&update_set_info
->image_2d_infos[update_set_info->image_2d_write_count++];
break;
case Dimension::k3D:
image_write =
&update_set_info
->image_3d_infos[update_set_info->image_3d_write_count++];
break;
case Dimension::kCube:
image_write =
&update_set_info
->image_cube_infos[update_set_info->image_cube_write_count++];
break;
default:
assert_unhandled_case(texture_info.dimension);
return false;
}
image_write->imageView = view->view;
image_write->imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
image_write->sampler = sampler->sampler;
return true;
}
void TextureCache::ClearCache() {
// TODO(benvanik): caching.
}
void TextureCache::Scavenge() {
// Free unused descriptor sets
for (auto it = in_flight_sets_.begin(); it != in_flight_sets_.end();) {
if (vkGetFenceStatus(*device_, *it->second) == VK_SUCCESS) {
// We can free this one.
vkFreeDescriptorSets(*device_, descriptor_pool_, 1, &it->first);
it = in_flight_sets_.erase(it);
continue;
}
++it;
}
staging_buffer_.Scavenge();
}
} // namespace vulkan
} // namespace gpu
} // namespace xe