bool VertexManager::ReserveConstantStorage()
{
static constexpr u32 reserve_size =
static_cast<u32>(std::max({sizeof(PixelShaderConstants), sizeof(VertexShaderConstants),
sizeof(GeometryShaderConstants)}));
if (m_uniform_stream_buffer.ReserveMemory(reserve_size,
D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT))
{
return true;
}
// The only places that call constant updates are safe to have state restored.
WARN_LOG(VIDEO, "Executing command list while waiting for space in uniform buffer");
Renderer::GetInstance()->ExecuteCommandList(false);
// Since we are on a new command buffer, all constants have been invalidated, and we need
// to reupload them. We may as well do this now, since we're issuing a draw anyway.
UploadAllConstants();
return false;
}
bool StateTracker::ReserveConstantStorage()
{
// Since we invalidate all constants on command buffer execution, it doesn't matter if this
// causes the stream buffer to be resized.
if (m_uniform_stream_buffer->ReserveMemory(m_uniform_buffer_reserve_size,
g_vulkan_context->GetUniformBufferAlignment(), false,
false, false))
{
return true;
}
// The only places that call constant updates are safe to have state restored.
WARN_LOG(VIDEO, "Executing command buffer while waiting for space in uniform buffer");
Util::ExecuteCurrentCommandsAndRestoreState(false);
// Since we are on a new command buffer, all constants have been invalidated, and we need
// to reupload them. We may as well do this now, since we're issuing a draw anyway.
UploadAllConstants();
return false;
}
bool VertexManager::Initialize()
{
if (!m_vertex_stream_buffer.AllocateBuffer(VERTEX_STREAM_BUFFER_SIZE) ||
!m_index_stream_buffer.AllocateBuffer(INDEX_STREAM_BUFFER_SIZE) ||
!m_uniform_stream_buffer.AllocateBuffer(UNIFORM_STREAM_BUFFER_SIZE) ||
!m_texel_stream_buffer.AllocateBuffer(TEXEL_STREAM_BUFFER_SIZE))
{
PanicAlert("Failed to allocate streaming buffers");
return false;
}
static constexpr std::array<std::pair<TexelBufferFormat, DXGI_FORMAT>, NUM_TEXEL_BUFFER_FORMATS>
format_mapping = {{
{TEXEL_BUFFER_FORMAT_R8_UINT, DXGI_FORMAT_R8_UINT},
{TEXEL_BUFFER_FORMAT_R16_UINT, DXGI_FORMAT_R16_UINT},
{TEXEL_BUFFER_FORMAT_RGBA8_UINT, DXGI_FORMAT_R8G8B8A8_UINT},
{TEXEL_BUFFER_FORMAT_R32G32_UINT, DXGI_FORMAT_R32G32_UINT},
}};
for (const auto& it : format_mapping)
{
DescriptorHandle& dh = m_texel_buffer_views[it.first];
if (!g_dx_context->GetDescriptorHeapManager().Allocate(&dh))
{
PanicAlert("Failed to allocate descriptor for texel buffer");
return false;
}
D3D12_SHADER_RESOURCE_VIEW_DESC srv_desc = {it.second, D3D12_SRV_DIMENSION_BUFFER,
D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING};
srv_desc.Buffer.NumElements =
m_texel_stream_buffer.GetSize() / GetTexelBufferElementSize(it.first);
g_dx_context->GetDevice()->CreateShaderResourceView(m_texel_stream_buffer.GetBuffer(),
&srv_desc, dh.cpu_handle);
}
UploadAllConstants();
return true;
}
bool StateTracker::Initialize()
{
// Set some sensible defaults
m_pipeline_state.rasterization_state.cull_mode = VK_CULL_MODE_NONE;
m_pipeline_state.rasterization_state.per_sample_shading = VK_FALSE;
m_pipeline_state.rasterization_state.depth_clamp = VK_FALSE;
m_pipeline_state.depth_stencil_state.test_enable = VK_TRUE;
m_pipeline_state.depth_stencil_state.write_enable = VK_TRUE;
m_pipeline_state.depth_stencil_state.compare_op = VK_COMPARE_OP_LESS;
m_pipeline_state.blend_state.blend_enable = VK_FALSE;
m_pipeline_state.blend_state.blend_op = VK_BLEND_OP_ADD;
m_pipeline_state.blend_state.src_blend = VK_BLEND_FACTOR_ONE;
m_pipeline_state.blend_state.dst_blend = VK_BLEND_FACTOR_ZERO;
m_pipeline_state.blend_state.alpha_blend_op = VK_BLEND_OP_ADD;
m_pipeline_state.blend_state.src_alpha_blend = VK_BLEND_FACTOR_ONE;
m_pipeline_state.blend_state.dst_alpha_blend = VK_BLEND_FACTOR_ZERO;
m_pipeline_state.blend_state.logic_op_enable = VK_FALSE;
m_pipeline_state.blend_state.logic_op = VK_LOGIC_OP_CLEAR;
m_pipeline_state.blend_state.write_mask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
// Enable depth clamping if supported by driver.
if (g_ActiveConfig.backend_info.bSupportsDepthClamp)
m_pipeline_state.rasterization_state.depth_clamp = VK_TRUE;
// BBox is disabled by default.
m_pipeline_state.pipeline_layout = g_object_cache->GetPipelineLayout(PIPELINE_LAYOUT_STANDARD);
m_num_active_descriptor_sets = NUM_GX_DRAW_DESCRIPTOR_SETS;
m_bbox_enabled = false;
// Initialize all samplers to point by default
for (size_t i = 0; i < NUM_PIXEL_SHADER_SAMPLERS; i++)
{
m_bindings.ps_samplers[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
m_bindings.ps_samplers[i].imageView = VK_NULL_HANDLE;
m_bindings.ps_samplers[i].sampler = g_object_cache->GetPointSampler();
}
// Create the streaming uniform buffer
m_uniform_stream_buffer =
StreamBuffer::Create(VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, INITIAL_UNIFORM_STREAM_BUFFER_SIZE,
MAXIMUM_UNIFORM_STREAM_BUFFER_SIZE);
if (!m_uniform_stream_buffer)
{
PanicAlert("Failed to create uniform stream buffer");
return false;
}
// The validation layer complains if max(offsets) + max(ubo_ranges) >= ubo_size.
// To work around this we reserve the maximum buffer size at all times, but only commit
// as many bytes as we use.
m_uniform_buffer_reserve_size = sizeof(PixelShaderConstants);
m_uniform_buffer_reserve_size = Common::AlignUp(m_uniform_buffer_reserve_size,
g_vulkan_context->GetUniformBufferAlignment()) +
sizeof(VertexShaderConstants);
m_uniform_buffer_reserve_size = Common::AlignUp(m_uniform_buffer_reserve_size,
g_vulkan_context->GetUniformBufferAlignment()) +
sizeof(GeometryShaderConstants);
// Default dirty flags include all descriptors
InvalidateDescriptorSets();
SetPendingRebind();
// Set default constants
UploadAllConstants();
return true;
}