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dolphin/Source/Core/VideoBackends/Vulkan/StateTracker.cpp

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// Copyright 2016 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoBackends/Vulkan/StateTracker.h"
#include "Common/Assert.h"
#include "VideoBackends/Vulkan/CommandBufferManager.h"
#include "VideoBackends/Vulkan/ObjectCache.h"
#include "VideoBackends/Vulkan/VKPipeline.h"
#include "VideoBackends/Vulkan/VKRenderer.h"
#include "VideoBackends/Vulkan/VKShader.h"
#include "VideoBackends/Vulkan/VKTexture.h"
#include "VideoBackends/Vulkan/VKVertexFormat.h"
#include "VideoBackends/Vulkan/VulkanContext.h"
namespace Vulkan
{
static std::unique_ptr<StateTracker> s_state_tracker;
StateTracker::StateTracker() = default;
StateTracker::~StateTracker() = default;
StateTracker* StateTracker::GetInstance()
{
return s_state_tracker.get();
}
bool StateTracker::CreateInstance()
{
ASSERT(!s_state_tracker);
s_state_tracker = std::make_unique<StateTracker>();
if (!s_state_tracker->Initialize())
{
s_state_tracker.reset();
return false;
}
return true;
}
void StateTracker::DestroyInstance()
{
if (!s_state_tracker)
return;
// When the dummy texture is destroyed, it unbinds itself, then references itself.
// Clear everything out so this doesn't happen.
for (auto& it : s_state_tracker->m_bindings.samplers)
it.imageView = VK_NULL_HANDLE;
s_state_tracker->m_bindings.image_texture.imageView = VK_NULL_HANDLE;
s_state_tracker->m_dummy_texture.reset();
s_state_tracker.reset();
}
bool StateTracker::Initialize()
{
// Create a dummy texture which can be used in place of a real binding.
m_dummy_texture =
VKTexture::Create(TextureConfig(1, 1, 1, 1, 1, AbstractTextureFormat::RGBA8, 0));
if (!m_dummy_texture)
return false;
m_dummy_texture->TransitionToLayout(g_command_buffer_mgr->GetCurrentInitCommandBuffer(),
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
// Initialize all samplers to point by default
for (size_t i = 0; i < NUM_PIXEL_SHADER_SAMPLERS; i++)
{
m_bindings.samplers[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
m_bindings.samplers[i].imageView = m_dummy_texture->GetView();
m_bindings.samplers[i].sampler = g_object_cache->GetPointSampler();
}
// Default dirty flags include all descriptors
InvalidateCachedState();
return true;
}
void StateTracker::SetVertexBuffer(VkBuffer buffer, VkDeviceSize offset)
{
if (m_vertex_buffer == buffer && m_vertex_buffer_offset == offset)
return;
m_vertex_buffer = buffer;
m_vertex_buffer_offset = offset;
m_dirty_flags |= DIRTY_FLAG_VERTEX_BUFFER;
}
void StateTracker::SetIndexBuffer(VkBuffer buffer, VkDeviceSize offset, VkIndexType type)
{
if (m_index_buffer == buffer && m_index_buffer_offset == offset && m_index_type == type)
return;
m_index_buffer = buffer;
m_index_buffer_offset = offset;
m_index_type = type;
m_dirty_flags |= DIRTY_FLAG_INDEX_BUFFER;
}
void StateTracker::SetFramebuffer(VKFramebuffer* framebuffer)
{
// Should not be changed within a render pass.
ASSERT(!InRenderPass());
m_framebuffer = framebuffer;
}
void StateTracker::SetPipeline(const VKPipeline* pipeline)
{
if (m_pipeline == pipeline)
return;
// If the usage changes, we need to re-bind everything, as the layout is different.
const bool new_usage =
pipeline && (!m_pipeline || m_pipeline->GetUsage() != pipeline->GetUsage());
m_pipeline = pipeline;
m_dirty_flags |= DIRTY_FLAG_PIPELINE;
if (new_usage)
m_dirty_flags |= DIRTY_FLAG_DESCRIPTOR_SETS;
}
void StateTracker::SetComputeShader(const VKShader* shader)
{
if (m_compute_shader == shader)
return;
m_compute_shader = shader;
m_dirty_flags |= DIRTY_FLAG_COMPUTE_SHADER;
}
void StateTracker::SetGXUniformBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size)
{
auto& binding = m_bindings.gx_ubo_bindings[index];
if (binding.buffer != buffer || binding.range != size)
{
binding.buffer = buffer;
binding.range = size;
m_dirty_flags |= DIRTY_FLAG_GX_UBOS;
}
if (m_bindings.gx_ubo_offsets[index] != offset)
{
m_bindings.gx_ubo_offsets[index] = offset;
m_dirty_flags |= DIRTY_FLAG_GX_UBO_OFFSETS;
}
}
void StateTracker::SetUtilityUniformBuffer(VkBuffer buffer, u32 offset, u32 size)
{
auto& binding = m_bindings.utility_ubo_binding;
if (binding.buffer != buffer || binding.range != size)
{
binding.buffer = buffer;
binding.range = size;
m_dirty_flags |= DIRTY_FLAG_UTILITY_UBO;
}
if (m_bindings.utility_ubo_offset != offset)
{
m_bindings.utility_ubo_offset = offset;
m_dirty_flags |= DIRTY_FLAG_UTILITY_UBO_OFFSET | DIRTY_FLAG_COMPUTE_DESCRIPTOR_SET;
}
}
void StateTracker::SetTexture(u32 index, VkImageView view)
{
if (m_bindings.samplers[index].imageView == view)
return;
m_bindings.samplers[index].imageView = view;
m_bindings.samplers[index].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
m_dirty_flags |=
DIRTY_FLAG_GX_SAMPLERS | DIRTY_FLAG_UTILITY_BINDINGS | DIRTY_FLAG_COMPUTE_BINDINGS;
}
void StateTracker::SetSampler(u32 index, VkSampler sampler)
{
if (m_bindings.samplers[index].sampler == sampler)
return;
m_bindings.samplers[index].sampler = sampler;
m_dirty_flags |=
DIRTY_FLAG_GX_SAMPLERS | DIRTY_FLAG_UTILITY_BINDINGS | DIRTY_FLAG_COMPUTE_BINDINGS;
}
void StateTracker::SetSSBO(VkBuffer buffer, VkDeviceSize offset, VkDeviceSize range)
{
if (m_bindings.ssbo.buffer == buffer && m_bindings.ssbo.offset == offset &&
m_bindings.ssbo.range == range)
{
return;
}
m_bindings.ssbo.buffer = buffer;
m_bindings.ssbo.offset = offset;
m_bindings.ssbo.range = range;
m_dirty_flags |= DIRTY_FLAG_GX_SSBO;
}
void StateTracker::SetTexelBuffer(u32 index, VkBufferView view)
{
if (m_bindings.texel_buffers[index] == view)
return;
m_bindings.texel_buffers[index] = view;
m_dirty_flags |= DIRTY_FLAG_UTILITY_BINDINGS | DIRTY_FLAG_COMPUTE_BINDINGS;
}
void StateTracker::SetImageTexture(VkImageView view)
{
if (m_bindings.image_texture.imageView == view)
return;
m_bindings.image_texture.imageView = view;
m_bindings.image_texture.imageLayout = VK_IMAGE_LAYOUT_GENERAL;
m_dirty_flags |= DIRTY_FLAG_COMPUTE_BINDINGS;
}
void StateTracker::UnbindTexture(VkImageView view)
{
for (VkDescriptorImageInfo& it : m_bindings.samplers)
{
if (it.imageView == view)
{
it.imageView = m_dummy_texture->GetView();
it.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
}
if (m_bindings.image_texture.imageView == view)
{
m_bindings.image_texture.imageView = m_dummy_texture->GetView();
m_bindings.image_texture.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
}
void StateTracker::InvalidateCachedState()
{
m_gx_descriptor_sets.fill(VK_NULL_HANDLE);
m_utility_descriptor_sets.fill(VK_NULL_HANDLE);
m_compute_descriptor_set = VK_NULL_HANDLE;
m_dirty_flags |= DIRTY_FLAG_ALL_DESCRIPTORS | DIRTY_FLAG_VIEWPORT | DIRTY_FLAG_SCISSOR |
DIRTY_FLAG_PIPELINE | DIRTY_FLAG_COMPUTE_SHADER | DIRTY_FLAG_DESCRIPTOR_SETS |
DIRTY_FLAG_COMPUTE_DESCRIPTOR_SET;
if (m_vertex_buffer != VK_NULL_HANDLE)
m_dirty_flags |= DIRTY_FLAG_VERTEX_BUFFER;
if (m_index_buffer != VK_NULL_HANDLE)
m_dirty_flags |= DIRTY_FLAG_INDEX_BUFFER;
}
void StateTracker::BeginRenderPass()
{
if (InRenderPass())
return;
m_current_render_pass = m_framebuffer->GetLoadRenderPass();
m_framebuffer_render_area = m_framebuffer->GetRect();
VkRenderPassBeginInfo begin_info = {VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
nullptr,
m_current_render_pass,
m_framebuffer->GetFB(),
m_framebuffer_render_area,
0,
nullptr};
vkCmdBeginRenderPass(g_command_buffer_mgr->GetCurrentCommandBuffer(), &begin_info,
VK_SUBPASS_CONTENTS_INLINE);
}
void StateTracker::BeginDiscardRenderPass()
{
if (InRenderPass())
return;
m_current_render_pass = m_framebuffer->GetDiscardRenderPass();
m_framebuffer_render_area = m_framebuffer->GetRect();
VkRenderPassBeginInfo begin_info = {VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
nullptr,
m_current_render_pass,
m_framebuffer->GetFB(),
m_framebuffer_render_area,
0,
nullptr};
vkCmdBeginRenderPass(g_command_buffer_mgr->GetCurrentCommandBuffer(), &begin_info,
VK_SUBPASS_CONTENTS_INLINE);
}
void StateTracker::EndRenderPass()
{
if (!InRenderPass())
return;
vkCmdEndRenderPass(g_command_buffer_mgr->GetCurrentCommandBuffer());
m_current_render_pass = VK_NULL_HANDLE;
}
void StateTracker::BeginClearRenderPass(const VkRect2D& area, const VkClearValue* clear_values,
u32 num_clear_values)
{
ASSERT(!InRenderPass());
m_current_render_pass = m_framebuffer->GetClearRenderPass();
m_framebuffer_render_area = area;
VkRenderPassBeginInfo begin_info = {VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
nullptr,
m_current_render_pass,
m_framebuffer->GetFB(),
m_framebuffer_render_area,
num_clear_values,
clear_values};
vkCmdBeginRenderPass(g_command_buffer_mgr->GetCurrentCommandBuffer(), &begin_info,
VK_SUBPASS_CONTENTS_INLINE);
}
void StateTracker::SetViewport(const VkViewport& viewport)
{
if (memcmp(&m_viewport, &viewport, sizeof(viewport)) == 0)
return;
m_viewport = viewport;
m_dirty_flags |= DIRTY_FLAG_VIEWPORT;
}
void StateTracker::SetScissor(const VkRect2D& scissor)
{
if (memcmp(&m_scissor, &scissor, sizeof(scissor)) == 0)
return;
m_scissor = scissor;
m_dirty_flags |= DIRTY_FLAG_SCISSOR;
}
bool StateTracker::Bind()
{
// Must have a pipeline.
if (!m_pipeline)
return false;
// Check the render area if we were in a clear pass.
if (m_current_render_pass == m_framebuffer->GetClearRenderPass() && !IsViewportWithinRenderArea())
EndRenderPass();
// Get a new descriptor set if any parts have changed
if (!UpdateDescriptorSet())
{
// We can fail to allocate descriptors if we exhaust the pool for this command buffer.
WARN_LOG_FMT(VIDEO, "Failed to get a descriptor set, executing buffer");
Renderer::GetInstance()->ExecuteCommandBuffer(false, false);
if (!UpdateDescriptorSet())
{
// Something strange going on.
ERROR_LOG_FMT(VIDEO, "Failed to get descriptor set, skipping draw");
return false;
}
}
// Start render pass if not already started
if (!InRenderPass())
BeginRenderPass();
// Re-bind parts of the pipeline
const VkCommandBuffer command_buffer = g_command_buffer_mgr->GetCurrentCommandBuffer();
if (m_dirty_flags & DIRTY_FLAG_VERTEX_BUFFER)
vkCmdBindVertexBuffers(command_buffer, 0, 1, &m_vertex_buffer, &m_vertex_buffer_offset);
if (m_dirty_flags & DIRTY_FLAG_INDEX_BUFFER)
vkCmdBindIndexBuffer(command_buffer, m_index_buffer, m_index_buffer_offset, m_index_type);
if (m_dirty_flags & DIRTY_FLAG_PIPELINE)
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline->GetVkPipeline());
if (m_dirty_flags & DIRTY_FLAG_VIEWPORT)
vkCmdSetViewport(command_buffer, 0, 1, &m_viewport);
if (m_dirty_flags & DIRTY_FLAG_SCISSOR)
vkCmdSetScissor(command_buffer, 0, 1, &m_scissor);
m_dirty_flags &= ~(DIRTY_FLAG_VERTEX_BUFFER | DIRTY_FLAG_INDEX_BUFFER | DIRTY_FLAG_PIPELINE |
DIRTY_FLAG_VIEWPORT | DIRTY_FLAG_SCISSOR);
return true;
}
bool StateTracker::BindCompute()
{
if (!m_compute_shader)
return false;
// Can't kick compute in a render pass.
if (InRenderPass())
EndRenderPass();
const VkCommandBuffer command_buffer = g_command_buffer_mgr->GetCurrentCommandBuffer();
if (m_dirty_flags & DIRTY_FLAG_COMPUTE_SHADER)
{
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE,
m_compute_shader->GetComputePipeline());
}
if (!UpdateComputeDescriptorSet())
{
WARN_LOG_FMT(VIDEO, "Failed to get a compute descriptor set, executing buffer");
Renderer::GetInstance()->ExecuteCommandBuffer(false, false);
if (!UpdateComputeDescriptorSet())
{
// Something strange going on.
ERROR_LOG_FMT(VIDEO, "Failed to get descriptor set, skipping dispatch");
return false;
}
}
m_dirty_flags &= ~DIRTY_FLAG_COMPUTE_SHADER;
return true;
}
bool StateTracker::IsWithinRenderArea(s32 x, s32 y, u32 width, u32 height) const
{
// Check that the viewport does not lie outside the render area.
// If it does, we need to switch to a normal load/store render pass.
s32 left = m_framebuffer_render_area.offset.x;
s32 top = m_framebuffer_render_area.offset.y;
s32 right = left + static_cast<s32>(m_framebuffer_render_area.extent.width);
s32 bottom = top + static_cast<s32>(m_framebuffer_render_area.extent.height);
s32 test_left = x;
s32 test_top = y;
s32 test_right = test_left + static_cast<s32>(width);
s32 test_bottom = test_top + static_cast<s32>(height);
return test_left >= left && test_right <= right && test_top >= top && test_bottom <= bottom;
}
bool StateTracker::IsViewportWithinRenderArea() const
{
return IsWithinRenderArea(static_cast<s32>(m_viewport.x), static_cast<s32>(m_viewport.y),
static_cast<u32>(m_viewport.width),
static_cast<u32>(m_viewport.height));
}
void StateTracker::EndClearRenderPass()
{
if (m_current_render_pass != m_framebuffer->GetClearRenderPass())
return;
// End clear render pass. Bind() will call BeginRenderPass() which
// will switch to the load/store render pass.
EndRenderPass();
}
bool StateTracker::UpdateDescriptorSet()
{
if (m_pipeline->GetUsage() == AbstractPipelineUsage::GX)
return UpdateGXDescriptorSet();
else
return UpdateUtilityDescriptorSet();
}
bool StateTracker::UpdateGXDescriptorSet()
{
const size_t MAX_DESCRIPTOR_WRITES = NUM_UBO_DESCRIPTOR_SET_BINDINGS + // UBO
1 + // Samplers
1; // SSBO
std::array<VkWriteDescriptorSet, MAX_DESCRIPTOR_WRITES> writes;
u32 num_writes = 0;
if (m_dirty_flags & DIRTY_FLAG_GX_UBOS || m_gx_descriptor_sets[0] == VK_NULL_HANDLE)
{
m_gx_descriptor_sets[0] = g_command_buffer_mgr->AllocateDescriptorSet(
g_object_cache->GetDescriptorSetLayout(DESCRIPTOR_SET_LAYOUT_STANDARD_UNIFORM_BUFFERS));
if (m_gx_descriptor_sets[0] == VK_NULL_HANDLE)
return false;
for (size_t i = 0; i < NUM_UBO_DESCRIPTOR_SET_BINDINGS; i++)
{
if (i == UBO_DESCRIPTOR_SET_BINDING_GS &&
!g_ActiveConfig.backend_info.bSupportsGeometryShaders)
{
continue;
}
writes[num_writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_gx_descriptor_sets[0],
static_cast<uint32_t>(i),
0,
1,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
nullptr,
&m_bindings.gx_ubo_bindings[i],
nullptr};
}
m_dirty_flags = (m_dirty_flags & ~DIRTY_FLAG_GX_UBOS) | DIRTY_FLAG_DESCRIPTOR_SETS;
}
if (m_dirty_flags & DIRTY_FLAG_GX_SAMPLERS || m_gx_descriptor_sets[1] == VK_NULL_HANDLE)
{
m_gx_descriptor_sets[1] = g_command_buffer_mgr->AllocateDescriptorSet(
g_object_cache->GetDescriptorSetLayout(DESCRIPTOR_SET_LAYOUT_STANDARD_SAMPLERS));
if (m_gx_descriptor_sets[1] == VK_NULL_HANDLE)
return false;
writes[num_writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_gx_descriptor_sets[1],
0,
0,
static_cast<u32>(NUM_PIXEL_SHADER_SAMPLERS),
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
m_bindings.samplers.data(),
nullptr,
nullptr};
m_dirty_flags = (m_dirty_flags & ~DIRTY_FLAG_GX_SAMPLERS) | DIRTY_FLAG_DESCRIPTOR_SETS;
}
if (g_ActiveConfig.backend_info.bSupportsBBox &&
(m_dirty_flags & DIRTY_FLAG_GX_SSBO || m_gx_descriptor_sets[2] == VK_NULL_HANDLE))
{
m_gx_descriptor_sets[2] =
g_command_buffer_mgr->AllocateDescriptorSet(g_object_cache->GetDescriptorSetLayout(
DESCRIPTOR_SET_LAYOUT_STANDARD_SHADER_STORAGE_BUFFERS));
if (m_gx_descriptor_sets[2] == VK_NULL_HANDLE)
return false;
writes[num_writes++] = {
VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET, nullptr, m_gx_descriptor_sets[2], 0, 0, 1,
VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, nullptr, &m_bindings.ssbo, nullptr};
m_dirty_flags = (m_dirty_flags & ~DIRTY_FLAG_GX_SSBO) | DIRTY_FLAG_DESCRIPTOR_SETS;
}
if (num_writes > 0)
vkUpdateDescriptorSets(g_vulkan_context->GetDevice(), num_writes, writes.data(), 0, nullptr);
if (m_dirty_flags & DIRTY_FLAG_DESCRIPTOR_SETS)
{
vkCmdBindDescriptorSets(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline->GetVkPipelineLayout(), 0,
g_ActiveConfig.backend_info.bSupportsBBox ?
NUM_GX_DESCRIPTOR_SETS :
(NUM_GX_DESCRIPTOR_SETS - 1),
m_gx_descriptor_sets.data(),
g_ActiveConfig.backend_info.bSupportsGeometryShaders ?
NUM_UBO_DESCRIPTOR_SET_BINDINGS :
(NUM_UBO_DESCRIPTOR_SET_BINDINGS - 1),
m_bindings.gx_ubo_offsets.data());
m_dirty_flags &= ~(DIRTY_FLAG_DESCRIPTOR_SETS | DIRTY_FLAG_GX_UBO_OFFSETS);
}
else if (m_dirty_flags & DIRTY_FLAG_GX_UBO_OFFSETS)
{
vkCmdBindDescriptorSets(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline->GetVkPipelineLayout(), 0,
1, m_gx_descriptor_sets.data(),
g_ActiveConfig.backend_info.bSupportsGeometryShaders ?
NUM_UBO_DESCRIPTOR_SET_BINDINGS :
(NUM_UBO_DESCRIPTOR_SET_BINDINGS - 1),
m_bindings.gx_ubo_offsets.data());
m_dirty_flags &= ~DIRTY_FLAG_GX_UBO_OFFSETS;
}
return true;
}
bool StateTracker::UpdateUtilityDescriptorSet()
{
// Max number of updates - UBO, Samplers, TexelBuffer
std::array<VkWriteDescriptorSet, 3> dswrites;
u32 writes = 0;
// Allocate descriptor sets.
if (m_dirty_flags & DIRTY_FLAG_UTILITY_UBO || m_utility_descriptor_sets[0] == VK_NULL_HANDLE)
{
m_utility_descriptor_sets[0] = g_command_buffer_mgr->AllocateDescriptorSet(
g_object_cache->GetDescriptorSetLayout(DESCRIPTOR_SET_LAYOUT_UTILITY_UNIFORM_BUFFER));
if (!m_utility_descriptor_sets[0])
return false;
dswrites[writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_utility_descriptor_sets[0],
0,
0,
1,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
nullptr,
&m_bindings.utility_ubo_binding,
nullptr};
m_dirty_flags = (m_dirty_flags & ~DIRTY_FLAG_UTILITY_UBO) | DIRTY_FLAG_DESCRIPTOR_SETS;
}
if (m_dirty_flags & DIRTY_FLAG_UTILITY_BINDINGS || m_utility_descriptor_sets[1] == VK_NULL_HANDLE)
{
m_utility_descriptor_sets[1] = g_command_buffer_mgr->AllocateDescriptorSet(
g_object_cache->GetDescriptorSetLayout(DESCRIPTOR_SET_LAYOUT_UTILITY_SAMPLERS));
if (!m_utility_descriptor_sets[1])
return false;
dswrites[writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_utility_descriptor_sets[1],
0,
0,
NUM_PIXEL_SHADER_SAMPLERS,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
m_bindings.samplers.data(),
nullptr,
nullptr};
dswrites[writes++] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_utility_descriptor_sets[1],
8,
0,
1,
VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,
nullptr,
nullptr,
m_bindings.texel_buffers.data()};
m_dirty_flags = (m_dirty_flags & ~DIRTY_FLAG_UTILITY_BINDINGS) | DIRTY_FLAG_DESCRIPTOR_SETS;
}
if (writes > 0)
vkUpdateDescriptorSets(g_vulkan_context->GetDevice(), writes, dswrites.data(), 0, nullptr);
if (m_dirty_flags & DIRTY_FLAG_DESCRIPTOR_SETS)
{
vkCmdBindDescriptorSets(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline->GetVkPipelineLayout(), 0,
NUM_UTILITY_DESCRIPTOR_SETS, m_utility_descriptor_sets.data(), 1,
&m_bindings.utility_ubo_offset);
m_dirty_flags &= ~(DIRTY_FLAG_DESCRIPTOR_SETS | DIRTY_FLAG_UTILITY_UBO_OFFSET);
}
else if (m_dirty_flags & DIRTY_FLAG_UTILITY_UBO_OFFSET)
{
vkCmdBindDescriptorSets(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline->GetVkPipelineLayout(), 0,
1, m_utility_descriptor_sets.data(), 1, &m_bindings.utility_ubo_offset);
m_dirty_flags &= ~(DIRTY_FLAG_DESCRIPTOR_SETS | DIRTY_FLAG_UTILITY_UBO_OFFSET);
}
return true;
}
bool StateTracker::UpdateComputeDescriptorSet()
{
// Max number of updates - UBO, Samplers, TexelBuffer, Image
std::array<VkWriteDescriptorSet, 4> dswrites;
// Allocate descriptor sets.
if (m_dirty_flags & DIRTY_FLAG_COMPUTE_BINDINGS)
{
m_compute_descriptor_set = g_command_buffer_mgr->AllocateDescriptorSet(
g_object_cache->GetDescriptorSetLayout(DESCRIPTOR_SET_LAYOUT_COMPUTE));
dswrites[0] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_compute_descriptor_set,
0,
0,
1,
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
nullptr,
&m_bindings.utility_ubo_binding,
nullptr};
dswrites[1] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_compute_descriptor_set,
1,
0,
NUM_COMPUTE_SHADER_SAMPLERS,
VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
m_bindings.samplers.data(),
nullptr,
nullptr};
dswrites[2] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_compute_descriptor_set,
3,
0,
NUM_COMPUTE_TEXEL_BUFFERS,
VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,
nullptr,
nullptr,
m_bindings.texel_buffers.data()};
dswrites[3] = {VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
nullptr,
m_compute_descriptor_set,
5,
0,
1,
VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
&m_bindings.image_texture,
nullptr,
nullptr};
vkUpdateDescriptorSets(g_vulkan_context->GetDevice(), static_cast<uint32_t>(dswrites.size()),
dswrites.data(), 0, nullptr);
m_dirty_flags =
(m_dirty_flags & ~DIRTY_FLAG_COMPUTE_BINDINGS) | DIRTY_FLAG_COMPUTE_DESCRIPTOR_SET;
}
if (m_dirty_flags & DIRTY_FLAG_COMPUTE_DESCRIPTOR_SET)
{
vkCmdBindDescriptorSets(g_command_buffer_mgr->GetCurrentCommandBuffer(),
VK_PIPELINE_BIND_POINT_COMPUTE,
g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_COMPUTE), 0, 1,
&m_compute_descriptor_set, 1, &m_bindings.utility_ubo_offset);
m_dirty_flags &= ~DIRTY_FLAG_COMPUTE_DESCRIPTOR_SET;
}
return true;
}
} // namespace Vulkan
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