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xenia/src/xenia/gpu/vulkan/vulkan_command_processor.cc

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/**
******************************************************************************
* 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/vulkan_command_processor.h"
#include <algorithm>
#include "xenia/base/logging.h"
#include "xenia/base/math.h"
#include "xenia/base/profiling.h"
#include "xenia/gpu/gpu_flags.h"
#include "xenia/gpu/registers.h"
#include "xenia/gpu/sampler_info.h"
#include "xenia/gpu/texture_info.h"
#include "xenia/gpu/vulkan/vulkan_gpu_flags.h"
#include "xenia/gpu/vulkan/vulkan_graphics_system.h"
#include "xenia/gpu/xenos.h"
#include "xenia/ui/vulkan/vulkan_util.h"
namespace xe {
namespace gpu {
namespace vulkan {
using namespace xe::gpu::xenos;
using xe::ui::vulkan::CheckResult;
constexpr size_t kDefaultBufferCacheCapacity = 256 * 1024 * 1024;
VulkanCommandProcessor::VulkanCommandProcessor(
VulkanGraphicsSystem* graphics_system, kernel::KernelState* kernel_state)
: CommandProcessor(graphics_system, kernel_state) {}
VulkanCommandProcessor::~VulkanCommandProcessor() = default;
void VulkanCommandProcessor::RequestFrameTrace(const std::wstring& root_path) {
// Override traces if renderdoc is attached.
if (device_->is_renderdoc_attached()) {
trace_requested_ = true;
return;
}
return CommandProcessor::RequestFrameTrace(root_path);
}
void VulkanCommandProcessor::ClearCaches() {
CommandProcessor::ClearCaches();
cache_clear_requested_ = true;
}
bool VulkanCommandProcessor::SetupContext() {
if (!CommandProcessor::SetupContext()) {
XELOGE("Unable to initialize base command processor context");
return false;
}
// Acquire our device and queue.
auto context = static_cast<xe::ui::vulkan::VulkanContext*>(context_.get());
device_ = context->device();
queue_ = device_->AcquireQueue(device_->queue_family_index());
if (!queue_) {
// Need to reuse primary queue (with locks).
queue_ = device_->primary_queue();
queue_mutex_ = &device_->primary_queue_mutex();
}
VkResult status = VK_SUCCESS;
// Setup a blitter.
blitter_ = std::make_unique<ui::vulkan::Blitter>();
status = blitter_->Initialize(device_);
if (status != VK_SUCCESS) {
XELOGE("Unable to initialize blitter");
blitter_->Shutdown();
return false;
}
// Setup fenced pools used for all our per-frame/per-draw resources.
command_buffer_pool_ = std::make_unique<ui::vulkan::CommandBufferPool>(
*device_, device_->queue_family_index());
// Initialize the state machine caches.
buffer_cache_ = std::make_unique<BufferCache>(
register_file_, memory_, device_, kDefaultBufferCacheCapacity);
status = buffer_cache_->Initialize();
if (status != VK_SUCCESS) {
XELOGE("Unable to initialize buffer cache");
buffer_cache_->Shutdown();
return false;
}
texture_cache_ = std::make_unique<TextureCache>(memory_, register_file_,
&trace_writer_, device_);
status = texture_cache_->Initialize();
if (status != VK_SUCCESS) {
XELOGE("Unable to initialize texture cache");
texture_cache_->Shutdown();
return false;
}
pipeline_cache_ = std::make_unique<PipelineCache>(register_file_, device_);
status = pipeline_cache_->Initialize(
buffer_cache_->constant_descriptor_set_layout(),
texture_cache_->texture_descriptor_set_layout());
if (status != VK_SUCCESS) {
XELOGE("Unable to initialize pipeline cache");
pipeline_cache_->Shutdown();
return false;
}
render_cache_ = std::make_unique<RenderCache>(register_file_, device_);
status = render_cache_->Initialize();
if (status != VK_SUCCESS) {
XELOGE("Unable to initialize render cache");
render_cache_->Shutdown();
return false;
}
VkEventCreateInfo info = {
VK_STRUCTURE_TYPE_EVENT_CREATE_INFO,
nullptr,
0,
};
status = vkCreateEvent(*device_, &info, nullptr,
reinterpret_cast<VkEvent*>(&swap_state_.backend_data));
if (status != VK_SUCCESS) {
return false;
}
return true;
}
void VulkanCommandProcessor::ShutdownContext() {
// TODO(benvanik): wait until idle.
vkDestroyEvent(*device_, reinterpret_cast<VkEvent>(swap_state_.backend_data),
nullptr);
if (swap_state_.front_buffer_texture) {
// Free swap chain image.
DestroySwapImage();
}
buffer_cache_.reset();
pipeline_cache_.reset();
render_cache_.reset();
texture_cache_.reset();
blitter_.reset();
// Free all pools. This must come after all of our caches clean up.
command_buffer_pool_.reset();
// Release queue, if we were using an acquired one.
if (!queue_mutex_) {
device_->ReleaseQueue(queue_, device_->queue_family_index());
queue_ = nullptr;
}
CommandProcessor::ShutdownContext();
}
void VulkanCommandProcessor::MakeCoherent() {
RegisterFile* regs = register_file_;
auto status_host = regs->values[XE_GPU_REG_COHER_STATUS_HOST].u32;
CommandProcessor::MakeCoherent();
// Make region coherent
if (status_host & 0x80000000ul) {
// TODO(benvanik): less-fine-grained clearing.
buffer_cache_->InvalidateCache();
if ((status_host & 0x01000000) != 0 && (status_host & 0x02000000) == 0) {
coher_base_vc_ = regs->values[XE_GPU_REG_COHER_BASE_HOST].u32;
coher_size_vc_ = regs->values[XE_GPU_REG_COHER_SIZE_HOST].u32;
}
}
}
void VulkanCommandProcessor::PrepareForWait() {
SCOPE_profile_cpu_f("gpu");
CommandProcessor::PrepareForWait();
// TODO(benvanik): fences and fancy stuff. We should figure out a way to
// make interrupt callbacks from the GPU so that we don't have to do a full
// synchronize here.
// glFlush();
// glFinish();
context_->ClearCurrent();
}
void VulkanCommandProcessor::ReturnFromWait() {
context_->MakeCurrent();
CommandProcessor::ReturnFromWait();
}
void VulkanCommandProcessor::WriteRegister(uint32_t index, uint32_t value) {
CommandProcessor::WriteRegister(index, value);
if (index >= XE_GPU_REG_SHADER_CONSTANT_000_X &&
index <= XE_GPU_REG_SHADER_CONSTANT_511_W) {
uint32_t offset = index - XE_GPU_REG_SHADER_CONSTANT_000_X;
offset /= 4 * 4;
offset ^= 0x3F;
dirty_float_constants_ |= (1ull << offset);
} else if (index >= XE_GPU_REG_SHADER_CONSTANT_BOOL_000_031 &&
index <= XE_GPU_REG_SHADER_CONSTANT_BOOL_224_255) {
uint32_t offset = index - XE_GPU_REG_SHADER_CONSTANT_BOOL_000_031;
offset ^= 0x7;
dirty_bool_constants_ |= (1 << offset);
} else if (index >= XE_GPU_REG_SHADER_CONSTANT_LOOP_00 &&
index <= XE_GPU_REG_SHADER_CONSTANT_LOOP_31) {
uint32_t offset = index - XE_GPU_REG_SHADER_CONSTANT_LOOP_00;
offset ^= 0x1F;
dirty_loop_constants_ |= (1 << offset);
}
}
void VulkanCommandProcessor::CreateSwapImage(VkCommandBuffer setup_buffer,
VkExtent2D extents) {
VkImageCreateInfo image_info;
std::memset(&image_info, 0, sizeof(VkImageCreateInfo));
image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
image_info.imageType = VK_IMAGE_TYPE_2D;
image_info.format = VK_FORMAT_R8G8B8A8_UNORM;
image_info.extent = {extents.width, extents.height, 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_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_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_fb;
auto status = vkCreateImage(*device_, &image_info, nullptr, &image_fb);
CheckResult(status, "vkCreateImage");
// Bind memory to image.
VkMemoryRequirements mem_requirements;
vkGetImageMemoryRequirements(*device_, image_fb, &mem_requirements);
fb_memory_ = device_->AllocateMemory(mem_requirements, 0);
assert_not_null(fb_memory_);
status = vkBindImageMemory(*device_, image_fb, fb_memory_, 0);
CheckResult(status, "vkBindImageMemory");
std::lock_guard<std::mutex> lock(swap_state_.mutex);
swap_state_.front_buffer_texture = reinterpret_cast<uintptr_t>(image_fb);
VkImageViewCreateInfo view_create_info = {
VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
nullptr,
0,
image_fb,
VK_IMAGE_VIEW_TYPE_2D,
VK_FORMAT_R8G8B8A8_UNORM,
{VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A},
{VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1},
};
status =
vkCreateImageView(*device_, &view_create_info, nullptr, &fb_image_view_);
CheckResult(status, "vkCreateImageView");
VkFramebufferCreateInfo framebuffer_create_info = {
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
nullptr,
0,
blitter_->GetRenderPass(VK_FORMAT_R8G8B8A8_UNORM, true),
1,
&fb_image_view_,
extents.width,
extents.height,
1,
};
status = vkCreateFramebuffer(*device_, &framebuffer_create_info, nullptr,
&fb_framebuffer_);
CheckResult(status, "vkCreateFramebuffer");
// Transition image to general layout.
VkImageMemoryBarrier barrier;
std::memset(&barrier, 0, sizeof(VkImageMemoryBarrier));
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
barrier.newLayout = VK_IMAGE_LAYOUT_GENERAL;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = image_fb;
barrier.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
vkCmdPipelineBarrier(setup_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0, 0,
nullptr, 0, nullptr, 1, &barrier);
}
void VulkanCommandProcessor::DestroySwapImage() {
vkDestroyFramebuffer(*device_, fb_framebuffer_, nullptr);
vkDestroyImageView(*device_, fb_image_view_, nullptr);
std::lock_guard<std::mutex> lock(swap_state_.mutex);
vkDestroyImage(*device_,
reinterpret_cast<VkImage>(swap_state_.front_buffer_texture),
nullptr);
vkFreeMemory(*device_, fb_memory_, nullptr);
swap_state_.front_buffer_texture = 0;
fb_memory_ = nullptr;
fb_framebuffer_ = nullptr;
fb_image_view_ = nullptr;
}
void VulkanCommandProcessor::BeginFrame() {
assert_false(frame_open_);
// TODO(benvanik): bigger batches.
// TODO(DrChat): Decouple setup buffer from current batch.
// Begin a new batch, and allocate and begin a command buffer and setup
// buffer.
current_batch_fence_ = command_buffer_pool_->BeginBatch();
current_command_buffer_ = command_buffer_pool_->AcquireEntry();
current_setup_buffer_ = command_buffer_pool_->AcquireEntry();
VkCommandBufferBeginInfo command_buffer_begin_info;
command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
command_buffer_begin_info.pNext = nullptr;
command_buffer_begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
command_buffer_begin_info.pInheritanceInfo = nullptr;
auto status =
vkBeginCommandBuffer(current_command_buffer_, &command_buffer_begin_info);
CheckResult(status, "vkBeginCommandBuffer");
status =
vkBeginCommandBuffer(current_setup_buffer_, &command_buffer_begin_info);
CheckResult(status, "vkBeginCommandBuffer");
// Flag renderdoc down to start a capture if requested.
// The capture will end when these commands are submitted to the queue.
static uint32_t frame = 0;
if (device_->is_renderdoc_attached() && !capturing_ &&
(FLAGS_vulkan_renderdoc_capture_all || trace_requested_)) {
if (queue_mutex_) {
queue_mutex_->lock();
}
capturing_ = true;
trace_requested_ = false;
device_->BeginRenderDocFrameCapture();
if (queue_mutex_) {
queue_mutex_->unlock();
}
}
frame_open_ = true;
}
void VulkanCommandProcessor::EndFrame() {
if (current_render_state_) {
render_cache_->EndRenderPass();
current_render_state_ = nullptr;
}
VkResult status = VK_SUCCESS;
status = vkEndCommandBuffer(current_setup_buffer_);
CheckResult(status, "vkEndCommandBuffer");
status = vkEndCommandBuffer(current_command_buffer_);
CheckResult(status, "vkEndCommandBuffer");
current_command_buffer_ = nullptr;
current_setup_buffer_ = nullptr;
command_buffer_pool_->EndBatch();
frame_open_ = false;
}
void VulkanCommandProcessor::PerformSwap(uint32_t frontbuffer_ptr,
uint32_t frontbuffer_width,
uint32_t frontbuffer_height) {
SCOPE_profile_cpu_f("gpu");
// Build a final command buffer that copies the game's frontbuffer texture
// into our backbuffer texture.
VkCommandBuffer copy_commands = nullptr;
bool opened_batch;
if (command_buffer_pool_->has_open_batch()) {
copy_commands = command_buffer_pool_->AcquireEntry();
opened_batch = false;
} else {
current_batch_fence_ = command_buffer_pool_->BeginBatch();
copy_commands = command_buffer_pool_->AcquireEntry();
opened_batch = true;
}
VkCommandBufferBeginInfo begin_info;
std::memset(&begin_info, 0, sizeof(begin_info));
begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
auto status = vkBeginCommandBuffer(copy_commands, &begin_info);
CheckResult(status, "vkBeginCommandBuffer");
if (!frontbuffer_ptr) {
// Trace viewer does this.
frontbuffer_ptr = last_copy_base_;
}
if (!swap_state_.front_buffer_texture) {
CreateSwapImage(copy_commands, {frontbuffer_width, frontbuffer_height});
}
auto swap_fb = reinterpret_cast<VkImage>(swap_state_.front_buffer_texture);
auto& regs = *register_file_;
int r = XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0;
auto group =
reinterpret_cast<const xenos::xe_gpu_fetch_group_t*>(&regs.values[r]);
auto& fetch = group->texture_fetch;
TextureInfo texture_info;
if (!TextureInfo::Prepare(group->texture_fetch, &texture_info)) {
assert_always();
}
// Issue the commands to copy the game's frontbuffer to our backbuffer.
auto texture = texture_cache_->Lookup(texture_info);
if (texture) {
texture->in_flight_fence = current_batch_fence_;
// Insert a barrier so the GPU finishes writing to the image.
VkImageMemoryBarrier barrier;
std::memset(&barrier, 0, sizeof(VkImageMemoryBarrier));
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.srcAccessMask =
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
barrier.oldLayout = texture->image_layout;
barrier.newLayout = texture->image_layout;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = texture->image;
barrier.subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1};
vkCmdPipelineBarrier(copy_commands,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT |
VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr,
0, nullptr, 1, &barrier);
barrier.oldLayout = VK_IMAGE_LAYOUT_GENERAL;
barrier.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
barrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
barrier.image = swap_fb;
vkCmdPipelineBarrier(copy_commands, VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, 0, 0,
nullptr, 0, nullptr, 1, &barrier);
VkRect2D src_rect = {
{0, 0},
{frontbuffer_width, frontbuffer_height},
};
blitter_->BlitTexture2D(
copy_commands, current_batch_fence_,
texture_cache_->DemandView(texture, 0x688)->view, src_rect,
{texture->texture_info.width + 1, texture->texture_info.height + 1},
VK_FORMAT_R8G8B8A8_UNORM, {0, 0},
{frontbuffer_width, frontbuffer_height}, fb_framebuffer_,
VK_FILTER_LINEAR, true, true);
std::swap(barrier.oldLayout, barrier.newLayout);
barrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
vkCmdPipelineBarrier(
copy_commands, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier);
std::lock_guard<std::mutex> lock(swap_state_.mutex);
swap_state_.width = frontbuffer_width;
swap_state_.height = frontbuffer_height;
auto swap_event = reinterpret_cast<VkEvent>(swap_state_.backend_data);
vkCmdSetEvent(copy_commands, swap_event,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT);
}
status = vkEndCommandBuffer(copy_commands);
CheckResult(status, "vkEndCommandBuffer");
// Queue up current command buffers.
// TODO(benvanik): bigger batches.
std::vector<VkCommandBuffer> submit_buffers;
if (frame_open_) {
// TODO(DrChat): If the setup buffer is empty, don't bother queueing it up.
submit_buffers.push_back(current_setup_buffer_);
submit_buffers.push_back(current_command_buffer_);
EndFrame();
}
if (opened_batch) {
command_buffer_pool_->EndBatch();
}
submit_buffers.push_back(copy_commands);
if (!submit_buffers.empty()) {
// TODO(benvanik): move to CP or to host (trace dump, etc).
// This only needs to surround a vkQueueSubmit.
if (queue_mutex_) {
queue_mutex_->lock();
}
VkSubmitInfo submit_info;
std::memset(&submit_info, 0, sizeof(VkSubmitInfo));
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = uint32_t(submit_buffers.size());
submit_info.pCommandBuffers = submit_buffers.data();
submit_info.waitSemaphoreCount = 0;
submit_info.pWaitSemaphores = nullptr;
submit_info.pWaitDstStageMask = nullptr;
submit_info.signalSemaphoreCount = 0;
submit_info.pSignalSemaphores = nullptr;
status = vkQueueSubmit(queue_, 1, &submit_info, current_batch_fence_);
if (device_->is_renderdoc_attached() && capturing_) {
device_->EndRenderDocFrameCapture();
capturing_ = false;
}
if (queue_mutex_) {
queue_mutex_->unlock();
}
}
if (cache_clear_requested_) {
cache_clear_requested_ = false;
vkWaitForFences(*device_, 1, &current_batch_fence_, VK_TRUE, -1);
buffer_cache_->ClearCache();
pipeline_cache_->ClearCache();
render_cache_->ClearCache();
texture_cache_->ClearCache();
}
// Scavenging.
{
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_i(
"gpu",
"xe::gpu::vulkan::VulkanCommandProcessor::PerformSwap Scavenging");
#endif // FINE_GRAINED_DRAW_SCOPES
// Command buffers must be scavenged first to avoid a race condition.
// We don't want to reuse a batch when the caches haven't yet cleared old
// resources!
command_buffer_pool_->Scavenge();
blitter_->Scavenge();
texture_cache_->Scavenge();
buffer_cache_->Scavenge();
}
current_batch_fence_ = nullptr;
}
Shader* VulkanCommandProcessor::LoadShader(ShaderType shader_type,
uint32_t guest_address,
const uint32_t* host_address,
uint32_t dword_count) {
return pipeline_cache_->LoadShader(shader_type, guest_address, host_address,
dword_count);
}
bool VulkanCommandProcessor::IssueDraw(PrimitiveType primitive_type,
uint32_t index_count,
IndexBufferInfo* index_buffer_info) {
auto& regs = *register_file_;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
auto enable_mode =
static_cast<ModeControl>(regs[XE_GPU_REG_RB_MODECONTROL].u32 & 0x7);
if (enable_mode == ModeControl::kIgnore) {
// Ignored.
return true;
} else if (enable_mode == ModeControl::kCopy) {
// Special copy handling.
return IssueCopy();
}
if ((regs[XE_GPU_REG_RB_SURFACE_INFO].u32 & 0x3FFF) == 0) {
// Doesn't actually draw.
return true;
}
// Shaders will have already been defined by previous loads.
// We need them to do just about anything so validate here.
auto vertex_shader = static_cast<VulkanShader*>(active_vertex_shader());
auto pixel_shader = static_cast<VulkanShader*>(active_pixel_shader());
if (!vertex_shader) {
// Always need a vertex shader.
return false;
}
// Depth-only mode doesn't need a pixel shader (we'll use a fake one).
if (enable_mode == ModeControl::kDepth) {
// Use a dummy pixel shader when required.
pixel_shader = nullptr;
} else if (!pixel_shader) {
// Need a pixel shader in normal color mode.
return true;
}
bool full_update = false;
if (!frame_open_) {
BeginFrame();
full_update = true;
}
auto command_buffer = current_command_buffer_;
auto setup_buffer = current_setup_buffer_;
// Begin the render pass.
// This will setup our framebuffer and begin the pass in the command buffer.
// This reuses a previous render pass if one is already open.
if (render_cache_->dirty() || !current_render_state_) {
if (current_render_state_) {
render_cache_->EndRenderPass();
current_render_state_ = nullptr;
}
full_update = true;
current_render_state_ = render_cache_->BeginRenderPass(
command_buffer, vertex_shader, pixel_shader);
if (!current_render_state_) {
return false;
}
}
// Configure the pipeline for drawing.
// This encodes all render state (blend, depth, etc), our shader stages,
// and our vertex input layout.
VkPipeline pipeline = nullptr;
auto pipeline_status = pipeline_cache_->ConfigurePipeline(
command_buffer, current_render_state_, vertex_shader, pixel_shader,
primitive_type, &pipeline);
if (pipeline_status == PipelineCache::UpdateStatus::kError) {
return false;
} else if (pipeline_status == PipelineCache::UpdateStatus::kMismatch ||
full_update) {
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
pipeline);
}
pipeline_cache_->SetDynamicState(command_buffer, full_update);
// Pass registers to the shaders.
if (!PopulateConstants(command_buffer, vertex_shader, pixel_shader)) {
return false;
}
// Upload and bind index buffer data (if we have any).
if (!PopulateIndexBuffer(command_buffer, index_buffer_info)) {
return false;
}
// Upload and bind all vertex buffer data.
if (!PopulateVertexBuffers(command_buffer, vertex_shader)) {
return false;
}
// Bind samplers/textures.
// Uploads all textures that need it.
// Setup buffer may be flushed to GPU if the texture cache needs it.
if (!PopulateSamplers(command_buffer, setup_buffer, vertex_shader,
pixel_shader)) {
return false;
}
// Actually issue the draw.
if (!index_buffer_info) {
// Auto-indexed draw.
uint32_t instance_count = 1;
uint32_t first_vertex =
register_file_->values[XE_GPU_REG_VGT_INDX_OFFSET].u32;
uint32_t first_instance = 0;
vkCmdDraw(command_buffer, index_count, instance_count, first_vertex,
first_instance);
} else {
// Index buffer draw.
uint32_t instance_count = 1;
uint32_t first_index = 0;
uint32_t vertex_offset =
register_file_->values[XE_GPU_REG_VGT_INDX_OFFSET].u32;
uint32_t first_instance = 0;
vkCmdDrawIndexed(command_buffer, index_count, instance_count, first_index,
vertex_offset, first_instance);
}
return true;
}
bool VulkanCommandProcessor::PopulateConstants(VkCommandBuffer command_buffer,
VulkanShader* vertex_shader,
VulkanShader* pixel_shader) {
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
xe::gpu::Shader::ConstantRegisterMap dummy_map;
std::memset(&dummy_map, 0, sizeof(dummy_map));
// Upload the constants the shaders require.
// These are optional, and if none are defined 0 will be returned.
auto constant_offsets = buffer_cache_->UploadConstantRegisters(
current_setup_buffer_, vertex_shader->constant_register_map(),
pixel_shader ? pixel_shader->constant_register_map() : dummy_map,
current_batch_fence_);
if (constant_offsets.first == VK_WHOLE_SIZE ||
constant_offsets.second == VK_WHOLE_SIZE) {
// Shader wants constants but we couldn't upload them.
return false;
}
// Configure constant uniform access to point at our offsets.
auto constant_descriptor_set = buffer_cache_->constant_descriptor_set();
auto pipeline_layout = pipeline_cache_->pipeline_layout();
uint32_t set_constant_offsets[2] = {
static_cast<uint32_t>(constant_offsets.first),
static_cast<uint32_t>(constant_offsets.second)};
vkCmdBindDescriptorSets(
command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout, 0, 1,
&constant_descriptor_set,
static_cast<uint32_t>(xe::countof(set_constant_offsets)),
set_constant_offsets);
return true;
}
bool VulkanCommandProcessor::PopulateIndexBuffer(
VkCommandBuffer command_buffer, IndexBufferInfo* index_buffer_info) {
auto& regs = *register_file_;
if (!index_buffer_info || !index_buffer_info->guest_base) {
// No index buffer or auto draw.
return true;
}
auto& info = *index_buffer_info;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
// Min/max index ranges for clamping. This is often [0g,FFFF|FFFFFF].
// All indices should be clamped to [min,max]. May be a way to do this in GL.
uint32_t min_index = regs[XE_GPU_REG_VGT_MIN_VTX_INDX].u32;
uint32_t max_index = regs[XE_GPU_REG_VGT_MAX_VTX_INDX].u32;
assert_true(min_index == 0);
assert_true(max_index == 0xFFFF || max_index == 0xFFFFFF);
assert_true(info.endianness == Endian::k8in16 ||
info.endianness == Endian::k8in32);
trace_writer_.WriteMemoryRead(info.guest_base, info.length);
// Upload (or get a cached copy of) the buffer.
uint32_t source_addr = info.guest_base;
uint32_t source_length =
info.count * (info.format == IndexFormat::kInt32 ? sizeof(uint32_t)
: sizeof(uint16_t));
auto buffer_ref = buffer_cache_->UploadIndexBuffer(
current_setup_buffer_, source_addr, source_length, info.format,
current_batch_fence_);
if (buffer_ref.second == VK_WHOLE_SIZE) {
// Failed to upload buffer.
return false;
}
// Bind the buffer.
VkIndexType index_type = info.format == IndexFormat::kInt32
? VK_INDEX_TYPE_UINT32
: VK_INDEX_TYPE_UINT16;
vkCmdBindIndexBuffer(command_buffer, buffer_ref.first, buffer_ref.second,
index_type);
return true;
}
bool VulkanCommandProcessor::PopulateVertexBuffers(
VkCommandBuffer command_buffer, VulkanShader* vertex_shader) {
auto& regs = *register_file_;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
auto& vertex_bindings = vertex_shader->vertex_bindings();
if (vertex_bindings.empty()) {
// No bindings.
return true;
}
assert_true(vertex_bindings.size() <= 32);
VkBuffer all_buffers[32];
VkDeviceSize all_buffer_offsets[32];
uint32_t buffer_index = 0;
for (const auto& vertex_binding : vertex_bindings) {
int r = XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0 +
(vertex_binding.fetch_constant / 3) * 6;
const auto group = reinterpret_cast<xe_gpu_fetch_group_t*>(&regs.values[r]);
const xe_gpu_vertex_fetch_t* fetch = nullptr;
switch (vertex_binding.fetch_constant % 3) {
case 0:
fetch = &group->vertex_fetch_0;
break;
case 1:
fetch = &group->vertex_fetch_1;
break;
case 2:
fetch = &group->vertex_fetch_2;
break;
}
assert_true(fetch->type == 0x3);
// TODO(benvanik): compute based on indices or vertex count.
// THIS CAN BE MASSIVELY INCORRECT (too large).
uint32_t source_length = fetch->size * 4;
uint32_t physical_address = fetch->address << 2;
trace_writer_.WriteMemoryRead(physical_address, source_length);
// Upload (or get a cached copy of) the buffer.
// TODO: Make the buffer cache ... actually cache buffers. We can have
// a list of buffers that were cached, and store those in chunks in a
// multiple of the host's page size.
// WRITE WATCHES: We need to invalidate vertex buffers if they're written
// to. Since most vertex buffers aren't aligned to a page boundary, this
// means a watch may cover more than one vertex buffer.
// We need to maintain a list of write watches, and what memory ranges
// they cover. If a vertex buffer lies within a write watch's range, assign
// it to the watch. If there's partial alignment where a buffer lies within
// one watch and outside of it, should we create a new watch or extend the
// existing watch?
auto buffer_ref = buffer_cache_->UploadVertexBuffer(
current_setup_buffer_, physical_address, source_length,
static_cast<Endian>(fetch->endian), current_batch_fence_);
if (buffer_ref.second == VK_WHOLE_SIZE) {
// Failed to upload buffer.
return false;
}
// Stash the buffer reference for our bulk bind at the end.
all_buffers[buffer_index] = buffer_ref.first;
all_buffer_offsets[buffer_index] = buffer_ref.second;
++buffer_index;
}
// Bind buffers.
vkCmdBindVertexBuffers(command_buffer, 0, buffer_index, all_buffers,
all_buffer_offsets);
return true;
}
bool VulkanCommandProcessor::PopulateSamplers(VkCommandBuffer command_buffer,
VkCommandBuffer setup_buffer,
VulkanShader* vertex_shader,
VulkanShader* pixel_shader) {
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
std::vector<xe::gpu::Shader::TextureBinding> dummy_bindings;
auto descriptor_set = texture_cache_->PrepareTextureSet(
setup_buffer, current_batch_fence_, vertex_shader->texture_bindings(),
pixel_shader ? pixel_shader->texture_bindings() : dummy_bindings);
if (!descriptor_set) {
// Unable to bind set.
return false;
}
vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
pipeline_cache_->pipeline_layout(), 1, 1,
&descriptor_set, 0, nullptr);
return true;
}
bool VulkanCommandProcessor::IssueCopy() {
SCOPE_profile_cpu_f("gpu");
auto& regs = *register_file_;
// This is used to resolve surfaces, taking them from EDRAM render targets
// to system memory. It can optionally clear color/depth surfaces, too.
// The command buffer has stuff for actually doing this by drawing, however
// we should be able to do it without that much easier.
struct {
reg::RB_COPY_CONTROL copy_control;
uint32_t copy_dest_base;
reg::RB_COPY_DEST_PITCH copy_dest_pitch;
reg::RB_COPY_DEST_INFO copy_dest_info;
uint32_t tile_clear;
uint32_t depth_clear;
uint32_t color_clear;
uint32_t color_clear_low;
uint32_t copy_func;
uint32_t copy_ref;
uint32_t copy_mask;
uint32_t copy_surface_slice;
}* copy_regs = (decltype(copy_regs)) & regs[XE_GPU_REG_RB_COPY_CONTROL].u32;
// True if the source tile is a color target
bool is_color_source = copy_regs->copy_control.copy_src_select <= 3;
// Render targets 0-3, 4 = depth
uint32_t copy_src_select = copy_regs->copy_control.copy_src_select;
bool color_clear_enabled = copy_regs->copy_control.color_clear_enable != 0;
bool depth_clear_enabled = copy_regs->copy_control.depth_clear_enable != 0;
CopyCommand copy_command = copy_regs->copy_control.copy_command;
assert_true(copy_regs->copy_dest_info.copy_dest_array == 0);
assert_true(copy_regs->copy_dest_info.copy_dest_slice == 0);
auto copy_dest_format =
ColorFormatToTextureFormat(copy_regs->copy_dest_info.copy_dest_format);
// TODO: copy dest number / bias
uint32_t copy_dest_base = copy_regs->copy_dest_base;
uint32_t copy_dest_pitch = copy_regs->copy_dest_pitch.copy_dest_pitch;
uint32_t copy_dest_height = copy_regs->copy_dest_pitch.copy_dest_height;
// None of this is supported yet:
assert_true(copy_regs->copy_surface_slice == 0);
assert_true(copy_regs->copy_func == 0);
assert_true(copy_regs->copy_ref == 0);
assert_true(copy_regs->copy_mask == 0);
// RB_SURFACE_INFO
// http://fossies.org/dox/MesaLib-10.3.5/fd2__gmem_8c_source.html
uint32_t surface_info = regs[XE_GPU_REG_RB_SURFACE_INFO].u32;
uint32_t surface_pitch = surface_info & 0x3FFF;
auto surface_msaa = static_cast<MsaaSamples>((surface_info >> 16) & 0x3);
// TODO(benvanik): any way to scissor this? a200 has:
// REG_A2XX_RB_COPY_DEST_OFFSET = A2XX_RB_COPY_DEST_OFFSET_X(tile->xoff) |
// A2XX_RB_COPY_DEST_OFFSET_Y(tile->yoff);
// but I can't seem to find something similar.
uint32_t dest_logical_width = copy_dest_pitch;
uint32_t dest_logical_height = copy_dest_height;
uint32_t window_offset = regs[XE_GPU_REG_PA_SC_WINDOW_OFFSET].u32;
int16_t window_offset_x = window_offset & 0x7FFF;
int16_t window_offset_y = (window_offset >> 16) & 0x7FFF;
// Sign-extension
if (window_offset_x & 0x4000) {
window_offset_x |= 0x8000;
}
if (window_offset_y & 0x4000) {
window_offset_y |= 0x8000;
}
uint32_t dest_texel_size = uint32_t(GetTexelSize(copy_dest_format));
// Adjust the copy base offset to point to the beginning of the texture, so
// we don't run into hiccups down the road (e.g. resolving the last part going
// backwards).
int32_t dest_offset =
window_offset_y * copy_dest_pitch * int(dest_texel_size);
dest_offset += window_offset_x * 32 * int(dest_texel_size);
copy_dest_base += dest_offset;
// HACK: vertices to use are always in vf0.
int copy_vertex_fetch_slot = 0;
int r =
XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0 + (copy_vertex_fetch_slot / 3) * 6;
const auto group = reinterpret_cast<xe_gpu_fetch_group_t*>(&regs.values[r]);
const xe_gpu_vertex_fetch_t* fetch = nullptr;
switch (copy_vertex_fetch_slot % 3) {
case 0:
fetch = &group->vertex_fetch_0;
break;
case 1:
fetch = &group->vertex_fetch_1;
break;
case 2:
fetch = &group->vertex_fetch_2;
break;
}
assert_true(fetch->type == 3);
assert_true(fetch->endian == 2);
assert_true(fetch->size == 6);
const uint8_t* vertex_addr = memory_->TranslatePhysical(fetch->address << 2);
trace_writer_.WriteMemoryRead(fetch->address << 2, fetch->size * 4);
// Most vertices have a negative half pixel offset applied, which we reverse.
auto& vtx_cntl = *(reg::PA_SU_VTX_CNTL*)&regs[XE_GPU_REG_PA_SU_VTX_CNTL].u32;
float vtx_offset = vtx_cntl.pix_center == 0 ? 0.5f : 0.f;
float dest_points[6];
for (int i = 0; i < 6; i++) {
dest_points[i] =
GpuSwap(xe::load<float>(vertex_addr + i * 4), Endian(fetch->endian)) +
vtx_offset;
}
// Note: The xenos only supports rectangle copies (luckily)
int32_t dest_min_x = int32_t(
(std::min(std::min(dest_points[0], dest_points[2]), dest_points[4])));
int32_t dest_max_x = int32_t(
(std::max(std::max(dest_points[0], dest_points[2]), dest_points[4])));
int32_t dest_min_y = int32_t(
(std::min(std::min(dest_points[1], dest_points[3]), dest_points[5])));
int32_t dest_max_y = int32_t(
(std::max(std::max(dest_points[1], dest_points[3]), dest_points[5])));
uint32_t color_edram_base = 0;
uint32_t depth_edram_base = 0;
ColorRenderTargetFormat color_format;
DepthRenderTargetFormat depth_format;
if (is_color_source) {
// Source from a color target.
uint32_t color_info[4] = {
regs[XE_GPU_REG_RB_COLOR_INFO].u32,
regs[XE_GPU_REG_RB_COLOR1_INFO].u32,
regs[XE_GPU_REG_RB_COLOR2_INFO].u32,
regs[XE_GPU_REG_RB_COLOR3_INFO].u32,
};
color_edram_base = color_info[copy_src_select] & 0xFFF;
color_format = static_cast<ColorRenderTargetFormat>(
(color_info[copy_src_select] >> 16) & 0xF);
}
if (!is_color_source || depth_clear_enabled) {
// Source from or clear a depth target.
uint32_t depth_info = regs[XE_GPU_REG_RB_DEPTH_INFO].u32;
depth_edram_base = depth_info & 0xFFF;
depth_format =
static_cast<DepthRenderTargetFormat>((depth_info >> 16) & 0x1);
if (!is_color_source) {
copy_dest_format = DepthRenderTargetToTextureFormat(depth_format);
}
}
Endian resolve_endian = Endian::k8in32;
if (copy_regs->copy_dest_info.copy_dest_endian <= Endian128::k16in32) {
resolve_endian =
static_cast<Endian>(copy_regs->copy_dest_info.copy_dest_endian.value());
}
// Demand a resolve texture from the texture cache.
TextureInfo texture_info;
TextureInfo::PrepareResolve(copy_dest_base, copy_dest_format, resolve_endian,
dest_logical_width,
std::max(1u, dest_logical_height), &texture_info);
auto texture = texture_cache_->DemandResolveTexture(texture_info);
assert_not_null(texture);
texture->in_flight_fence = current_batch_fence_;
// For debugging purposes only (trace viewer)
last_copy_base_ = texture->texture_info.guest_address;
if (!frame_open_) {
BeginFrame();
} else if (current_render_state_) {
// Copy commands cannot be issued within a render pass.
render_cache_->EndRenderPass();
current_render_state_ = nullptr;
}
auto command_buffer = current_command_buffer_;
if (texture->image_layout == VK_IMAGE_LAYOUT_UNDEFINED) {
// Transition the image to a general layout.
VkImageMemoryBarrier image_barrier;
image_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
image_barrier.pNext = nullptr;
image_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier.srcAccessMask = 0;
image_barrier.dstAccessMask = 0;
image_barrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
image_barrier.newLayout = VK_IMAGE_LAYOUT_GENERAL;
image_barrier.image = texture->image;
image_barrier.subresourceRange = {0, 0, 1, 0, 1};
image_barrier.subresourceRange.aspectMask =
is_color_source
? VK_IMAGE_ASPECT_COLOR_BIT
: VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
texture->image_layout = VK_IMAGE_LAYOUT_GENERAL;
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0,
nullptr, 1, &image_barrier);
}
// Transition the image into a transfer destination layout, if needed.
// TODO: If blitting, layout should be color attachment.
VkImageMemoryBarrier image_barrier;
image_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
image_barrier.pNext = nullptr;
image_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
image_barrier.srcAccessMask = 0;
image_barrier.dstAccessMask =
is_color_source ? VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT
: VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
image_barrier.oldLayout = texture->image_layout;
image_barrier.newLayout =
is_color_source ? VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
: VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
image_barrier.image = texture->image;
image_barrier.subresourceRange = {0, 0, 1, 0, 1};
image_barrier.subresourceRange.aspectMask =
is_color_source ? VK_IMAGE_ASPECT_COLOR_BIT
: VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
vkCmdPipelineBarrier(command_buffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, 0, 0, nullptr, 0,
nullptr, 1, &image_barrier);
VkOffset2D resolve_offset = {dest_min_x, dest_min_y};
VkExtent2D resolve_extent = {uint32_t(dest_max_x - dest_min_x),
uint32_t(dest_max_y - dest_min_y)};
// Ask the render cache to copy to the resolve texture.
auto edram_base = is_color_source ? color_edram_base : depth_edram_base;
uint32_t src_format = is_color_source ? static_cast<uint32_t>(color_format)
: static_cast<uint32_t>(depth_format);
VkFilter filter = is_color_source ? VK_FILTER_LINEAR : VK_FILTER_NEAREST;
switch (copy_command) {
case CopyCommand::kRaw:
/*
render_cache_->RawCopyToImage(command_buffer, edram_base,
texture->image, texture->image_layout, is_color_source, resolve_offset,
resolve_extent); break;
*/
case CopyCommand::kConvert: {
/*
if (!is_color_source && copy_regs->copy_dest_info.copy_dest_swap == 0) {
// Depth images are a bit more complicated. Try a blit!
render_cache_->BlitToImage(
command_buffer, edram_base, surface_pitch, resolve_extent.height,
surface_msaa, texture->image, texture->image_layout,
is_color_source, src_format, filter,
{resolve_offset.x, resolve_offset.y, 0},
{resolve_extent.width, resolve_extent.height, 1});
break;
}
*/
// Blit with blitter.
auto view = render_cache_->FindTileView(
edram_base, surface_pitch, surface_msaa, is_color_source, src_format);
if (!view) {
break;
}
// Convert the tile view to a sampled image.
// Put a barrier on the tile view.
VkImageMemoryBarrier tile_image_barrier;
tile_image_barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
tile_image_barrier.pNext = nullptr;
tile_image_barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
tile_image_barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
tile_image_barrier.srcAccessMask =
is_color_source ? VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT
: VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
tile_image_barrier.dstAccessMask =
VK_ACCESS_TRANSFER_READ_BIT |
(is_color_source ? VK_ACCESS_COLOR_ATTACHMENT_READ_BIT
: VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT);
tile_image_barrier.oldLayout = view->image_layout;
tile_image_barrier.newLayout = view->image_layout;
tile_image_barrier.image = view->image;
tile_image_barrier.subresourceRange = {0, 0, 1, 0, 1};
tile_image_barrier.subresourceRange.aspectMask =
is_color_source
? VK_IMAGE_ASPECT_COLOR_BIT
: VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
vkCmdPipelineBarrier(
command_buffer, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT |
(is_color_source ? VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
: VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT),
0, 0, nullptr, 0, nullptr, 1, &tile_image_barrier);
auto render_pass =
blitter_->GetRenderPass(texture->format, is_color_source);
// Create a framebuffer containing our image.
if (!texture->framebuffer) {
auto texture_view = texture_cache_->DemandView(texture, 0x688);
VkFramebufferCreateInfo fb_create_info = {
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,
nullptr,
0,
render_pass,
1,
&texture_view->view,
texture->texture_info.width + 1,
texture->texture_info.height + 1,
1,
};
VkResult res = vkCreateFramebuffer(*device_, &fb_create_info, nullptr,
&texture->framebuffer);
CheckResult(res, "vkCreateFramebuffer");
}
blitter_->BlitTexture2D(
command_buffer, current_batch_fence_,
copy_src_select == 4 ? view->image_view_depth : view->image_view,
{{0, 0}, {resolve_extent.width, resolve_extent.height}},
view->GetSize(), texture->format, resolve_offset, resolve_extent,
texture->framebuffer, filter, is_color_source,
copy_regs->copy_dest_info.copy_dest_swap != 0);
// Pull the tile view back to a color attachment.
std::swap(tile_image_barrier.srcAccessMask,
tile_image_barrier.dstAccessMask);
std::swap(tile_image_barrier.oldLayout, tile_image_barrier.newLayout);
vkCmdPipelineBarrier(
command_buffer,
VK_PIPELINE_STAGE_TRANSFER_BIT |
(is_color_source ? VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
: VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT),
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, 0, 0, nullptr, 0, nullptr, 1,
&tile_image_barrier);
} break;
case CopyCommand::kConstantOne:
case CopyCommand::kNull:
assert_always();
break;
}
// And pull it back from a transfer destination.
image_barrier.srcAccessMask = image_barrier.dstAccessMask;
image_barrier.dstAccessMask =
VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_TRANSFER_READ_BIT;
std::swap(image_barrier.newLayout, image_barrier.oldLayout);
vkCmdPipelineBarrier(command_buffer,
is_color_source
? VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT
: VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT |
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT |
VK_PIPELINE_STAGE_TRANSFER_BIT,
0, 0, nullptr, 0, nullptr, 1, &image_barrier);
// Perform any requested clears.
uint32_t copy_depth_clear = regs[XE_GPU_REG_RB_DEPTH_CLEAR].u32;
uint32_t copy_color_clear = regs[XE_GPU_REG_RB_COLOR_CLEAR].u32;
uint32_t copy_color_clear_low = regs[XE_GPU_REG_RB_COLOR_CLEAR_LOW].u32;
assert_true(copy_color_clear == copy_color_clear_low);
if (color_clear_enabled) {
// If color clear is enabled, we can only clear a selected color target!
assert_true(is_color_source);
// TODO(benvanik): verify color order.
float color[] = {((copy_color_clear >> 0) & 0xFF) / 255.0f,
((copy_color_clear >> 8) & 0xFF) / 255.0f,
((copy_color_clear >> 16) & 0xFF) / 255.0f,
((copy_color_clear >> 24) & 0xFF) / 255.0f};
// TODO(DrChat): Do we know the surface height at this point?
render_cache_->ClearEDRAMColor(command_buffer, color_edram_base,
color_format, surface_pitch,
resolve_extent.height, surface_msaa, color);
}
if (depth_clear_enabled) {
float depth =
(copy_depth_clear & 0xFFFFFF00) / static_cast<float>(0xFFFFFF00);
uint8_t stencil = copy_depth_clear & 0xFF;
// TODO(DrChat): Do we know the surface height at this point?
render_cache_->ClearEDRAMDepthStencil(
command_buffer, depth_edram_base, depth_format, surface_pitch,
resolve_extent.height, surface_msaa, depth, stencil);
}
return true;
}
} // namespace vulkan
} // namespace gpu
} // namespace xe
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