D3D12: Initial commit for D3D12 backend implementation.

1 files changed, 292 insertions, 0 deletions

diff --git a/Source/Core/VideoBackends/D3D12/FramebufferManager.cpp b/Source/Core/VideoBackends/D3D12/FramebufferManager.cpp
new file mode 100644
index 0000000000..f0118a20bf
--- /dev/null
+++ b/Source/Core/VideoBackends/D3D12/FramebufferManager.cpp
@@ -0,0 +1,292 @@
+// Copyright 2010 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "Core/HW/Memmap.h"
+#include "VideoBackends/D3D12/D3DBase.h"
+#include "VideoBackends/D3D12/D3DCommandListManager.h"
+#include "VideoBackends/D3D12/D3DUtil.h"
+#include "VideoBackends/D3D12/FramebufferManager.h"
+#include "VideoBackends/D3D12/Render.h"
+#include "VideoBackends/D3D12/StaticShaderCache.h"
+#include "VideoBackends/D3D12/XFBEncoder.h"
+#include "VideoCommon/VideoConfig.h"
+
+namespace DX12
+{
+
+static XFBEncoder s_xfbEncoder;
+
+FramebufferManager::Efb FramebufferManager::m_efb;
+unsigned int FramebufferManager::m_target_width;
+unsigned int FramebufferManager::m_target_height;
+
+D3D12_DEPTH_STENCIL_DESC FramebufferManager::m_depth_resolve_depth_stencil_desc;
+
+D3DTexture2D*& FramebufferManager::GetEFBColorTexture() { return m_efb.color_tex; }
+ID3D12Resource*& FramebufferManager::GetEFBColorStagingBuffer() { return m_efb.color_staging_buf; }
+
+D3DTexture2D*& FramebufferManager::GetEFBDepthTexture() { return m_efb.depth_tex; }
+D3DTexture2D*& FramebufferManager::GetEFBDepthReadTexture() { return m_efb.depth_read_texture; }
+ID3D12Resource*& FramebufferManager::GetEFBDepthStagingBuffer() { return m_efb.depth_staging_buf; }
+
+D3DTexture2D*& FramebufferManager::GetEFBColorTempTexture() { return m_efb.color_temp_tex; }
+
+void FramebufferManager::SwapReinterpretTexture()
+{
+	D3DTexture2D* swaptex = GetEFBColorTempTexture();
+	m_efb.color_temp_tex = GetEFBColorTexture();
+	m_efb.color_tex = swaptex;
+}
+
+D3DTexture2D*& FramebufferManager::GetResolvedEFBColorTexture()
+{
+	if (g_ActiveConfig.iMultisamples > 1)
+	{
+		m_efb.resolved_color_tex->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_RESOLVE_DEST);
+		m_efb.color_tex->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_RESOLVE_SOURCE);
+
+		for (int i = 0; i < m_efb.slices; i++)
+		{
+			D3D::current_command_list->ResolveSubresource(m_efb.resolved_color_tex->GetTex12(), D3D11CalcSubresource(0, i, 1), m_efb.color_tex->GetTex12(), D3D11CalcSubresource(0, i, 1), DXGI_FORMAT_R8G8B8A8_UNORM);
+		}
+
+		m_efb.color_tex->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_RENDER_TARGET);
+
+		return m_efb.resolved_color_tex;
+	}
+	else
+	{
+		return m_efb.color_tex;
+	}
+}
+
+D3DTexture2D*& FramebufferManager::GetResolvedEFBDepthTexture()
+{
+	if (g_ActiveConfig.iMultisamples > 1)
+	{
+		ResolveDepthTexture();
+
+		return m_efb.resolved_depth_tex;
+	}
+	else
+	{
+		return m_efb.depth_tex;
+	}
+}
+
+FramebufferManager::FramebufferManager()
+{
+	m_target_width = std::max(Renderer::GetTargetWidth(), 1);
+	m_target_height = std::max(Renderer::GetTargetHeight(), 1);
+
+	DXGI_SAMPLE_DESC sample_desc;
+	sample_desc.Count = g_ActiveConfig.iMultisamples;
+	sample_desc.Quality = 0;
+
+	ID3D12Resource* buf12;
+	D3D12_RESOURCE_DESC texdesc12;
+	D3D12_CLEAR_VALUE optimized_clear_valueRTV = { DXGI_FORMAT_R8G8B8A8_UNORM, { 0.0f, 0.0f, 0.0f, 1.0f } };
+	D3D12_CLEAR_VALUE optimized_clear_valueDSV = CD3DX12_CLEAR_VALUE(DXGI_FORMAT_D32_FLOAT, 0.0f, 0);
+
+	HRESULT hr;
+
+	m_EFBLayers = m_efb.slices = (g_ActiveConfig.iStereoMode > 0) ? 2 : 1;
+
+	// EFB color texture - primary render target
+	texdesc12 = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R8G8B8A8_UNORM, m_target_width, m_target_height, m_efb.slices, 1, sample_desc.Count, sample_desc.Quality, D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET);
+	hr = D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COMMON, &optimized_clear_valueRTV, IID_PPV_ARGS(&buf12));
+
+	m_efb.color_tex = new D3DTexture2D(buf12, (D3D11_BIND_FLAG)(D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET), DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_R8G8B8A8_UNORM, (sample_desc.Count > 1), D3D12_RESOURCE_STATE_COMMON);
+	SAFE_RELEASE(buf12);
+
+	// Temporary EFB color texture - used in ReinterpretPixelData
+	texdesc12 = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R8G8B8A8_UNORM, m_target_width, m_target_height, m_efb.slices, 1, sample_desc.Count, sample_desc.Quality, D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET);
+	CheckHR(D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COMMON, &optimized_clear_valueRTV, IID_PPV_ARGS(&buf12)));
+	m_efb.color_temp_tex = new D3DTexture2D(buf12, (D3D11_BIND_FLAG)(D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET), DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_R8G8B8A8_UNORM, (sample_desc.Count > 1), D3D12_RESOURCE_STATE_COMMON);
+	SAFE_RELEASE(buf12);
+	D3D::SetDebugObjectName12(m_efb.color_temp_tex->GetTex12(), "EFB color temp texture");
+
+	// AccessEFB - Sysmem buffer used to retrieve the pixel data from color_tex
+	texdesc12 = CD3DX12_RESOURCE_DESC::Buffer(64 * 1024);
+	CheckHR(D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_READBACK), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COPY_DEST, nullptr, IID_PPV_ARGS(&m_efb.color_staging_buf)));
+	CHECK(hr == S_OK, "create EFB color staging buffer (hr=%#x)", hr);
+
+	// EFB depth buffer - primary depth buffer
+	texdesc12 = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R32_TYPELESS, m_target_width, m_target_height, m_efb.slices, 1, sample_desc.Count, sample_desc.Quality, D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL);
+	CheckHR(D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COMMON, &optimized_clear_valueDSV, IID_PPV_ARGS(&buf12)));
+
+	m_efb.depth_tex = new D3DTexture2D(buf12, (D3D11_BIND_FLAG)(D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE), DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_D32_FLOAT, DXGI_FORMAT_UNKNOWN, (sample_desc.Count > 1), D3D12_RESOURCE_STATE_COMMON);
+	SAFE_RELEASE(buf12);
+	D3D::SetDebugObjectName12(m_efb.depth_tex->GetTex12(), "EFB depth texture");
+
+	// Render buffer for AccessEFB (depth data)
+	texdesc12 = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R32_FLOAT, 1, 1, m_efb.slices, 1, 1, 0, D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET);
+	optimized_clear_valueRTV.Format = DXGI_FORMAT_R32_FLOAT;
+	hr = D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COMMON, &optimized_clear_valueRTV, IID_PPV_ARGS(&buf12));
+	CHECK(hr == S_OK, "create EFB depth read texture (hr=%#x)", hr);
+
+	m_efb.depth_read_texture = new D3DTexture2D(buf12, D3D11_BIND_RENDER_TARGET, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, false, D3D12_RESOURCE_STATE_COMMON);
+
+	SAFE_RELEASE(buf12);
+	D3D::SetDebugObjectName12(m_efb.depth_read_texture->GetTex12(), "EFB depth read texture (used in Renderer::AccessEFB)");
+
+	// AccessEFB - Sysmem buffer used to retrieve the pixel data from depth_read_texture
+	texdesc12 = CD3DX12_RESOURCE_DESC::Buffer(64 * 1024);
+	hr = D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_READBACK), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COPY_DEST, nullptr, IID_PPV_ARGS(&m_efb.depth_staging_buf));
+	CHECK(hr == S_OK, "create EFB depth staging buffer (hr=%#x)", hr);
+
+	D3D::SetDebugObjectName12(m_efb.depth_staging_buf, "EFB depth staging texture (used for Renderer::AccessEFB)");
+
+	if (g_ActiveConfig.iMultisamples > 1)
+	{
+		// Framebuffer resolve textures (color+depth)
+		texdesc12 = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R8G8B8A8_UNORM, m_target_width, m_target_height, m_efb.slices, 1);
+		hr = D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COMMON, nullptr, IID_PPV_ARGS(&buf12));
+		CHECK(hr == S_OK, "create EFB color resolve texture (size: %dx%d)", m_target_width, m_target_height);
+		m_efb.resolved_color_tex = new D3DTexture2D(buf12, D3D11_BIND_SHADER_RESOURCE, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, false, D3D12_RESOURCE_STATE_COMMON);
+		SAFE_RELEASE(buf12);
+		D3D::SetDebugObjectName12(m_efb.resolved_color_tex->GetTex12(), "EFB color resolve texture shader resource view");
+
+		texdesc12 = CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_R32_TYPELESS, m_target_width, m_target_height, m_efb.slices, 1, 1, 0, D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL);
+		hr = D3D::device12->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), D3D12_HEAP_FLAG_NONE, &texdesc12, D3D12_RESOURCE_STATE_COMMON, nullptr, IID_PPV_ARGS(&buf12));
+		CHECK(hr == S_OK, "create EFB depth resolve texture (size: %dx%d; hr=%#x)", m_target_width, m_target_height, hr);
+		m_efb.resolved_depth_tex = new D3DTexture2D(buf12, (D3D11_BIND_FLAG)(D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE), DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_D32_FLOAT, DXGI_FORMAT_UNKNOWN, false, D3D12_RESOURCE_STATE_COMMON);
+		SAFE_RELEASE(buf12);
+		D3D::SetDebugObjectName12(m_efb.resolved_depth_tex->GetTex12(), "EFB depth resolve texture shader resource view");
+
+		m_depth_resolve_depth_stencil_desc = {};
+		m_depth_resolve_depth_stencil_desc.StencilEnable = FALSE;
+		m_depth_resolve_depth_stencil_desc.DepthEnable = TRUE;
+		m_depth_resolve_depth_stencil_desc.DepthFunc = D3D12_COMPARISON_FUNC_ALWAYS;
+		m_depth_resolve_depth_stencil_desc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
+	}
+	else
+	{
+		m_efb.resolved_color_tex = nullptr;
+		m_efb.resolved_depth_tex = nullptr;
+	}
+
+	s_xfbEncoder.Init();
+}
+
+FramebufferManager::~FramebufferManager()
+{
+	s_xfbEncoder.Shutdown();
+
+	SAFE_RELEASE(m_efb.color_tex);
+	SAFE_RELEASE(m_efb.color_temp_tex);
+
+	D3D::command_list_mgr->DestroyResourceAfterCurrentCommandListExecuted(m_efb.color_staging_buf);
+
+	SAFE_RELEASE(m_efb.resolved_color_tex);
+	SAFE_RELEASE(m_efb.depth_tex);
+
+	D3D::command_list_mgr->DestroyResourceAfterCurrentCommandListExecuted(m_efb.depth_staging_buf);
+
+	SAFE_RELEASE(m_efb.depth_read_texture);
+	SAFE_RELEASE(m_efb.resolved_depth_tex);
+}
+
+void FramebufferManager::CopyToRealXFB(u32 xfbAddr, u32 fbStride, u32 fbHeight, const EFBRectangle& sourceRc, float gamma)
+{
+	u8* dst = Memory::GetPointer(xfbAddr);
+	s_xfbEncoder.Encode(dst, fbStride/2, fbHeight, sourceRc, gamma);
+}
+
+std::unique_ptr<XFBSourceBase> FramebufferManager::CreateXFBSource(unsigned int target_width, unsigned int target_height, unsigned int layers)
+{
+	return std::make_unique<XFBSource>(D3DTexture2D::Create(target_width, target_height,
+		(D3D11_BIND_FLAG)(D3D11_BIND_RENDER_TARGET|D3D11_BIND_SHADER_RESOURCE),
+		D3D11_USAGE_DEFAULT, DXGI_FORMAT_R8G8B8A8_UNORM, 1, layers), layers);
+}
+
+void FramebufferManager::GetTargetSize(unsigned int* width, unsigned int* height)
+{
+	*width = m_target_width;
+	*height = m_target_height;
+}
+
+void FramebufferManager::ResolveDepthTexture()
+{
+	// ResolveSubresource does not work with depth textures.
+	// Instead, we use a shader that selects the minimum depth from all samples.
+
+	const D3D12_VIEWPORT vp12 = { 0.f, 0.f, static_cast<float>(m_target_width), static_cast<float>(m_target_height), D3D12_MIN_DEPTH, D3D12_MAX_DEPTH };
+	D3D::current_command_list->RSSetViewports(1, &vp12);
+
+	m_efb.resolved_depth_tex->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_DEPTH_WRITE);
+	D3D::current_command_list->OMSetRenderTargets(0, nullptr, FALSE, &m_efb.resolved_depth_tex->GetDSV12());
+
+	FramebufferManager::GetEFBDepthTexture()->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
+
+	D3D::SetLinearCopySampler();
+
+	// Render a quad covering the entire target, writing SV_Depth.
+	const D3D12_RECT source_rect = CD3DX12_RECT(0, 0, m_target_width, m_target_height);
+	D3D::DrawShadedTexQuad(
+		FramebufferManager::GetEFBDepthTexture(),
+		&source_rect,
+		m_target_width,
+		m_target_height,
+		StaticShaderCache::GetDepthCopyPixelShader(true),
+		StaticShaderCache::GetSimpleVertexShader(),
+		StaticShaderCache::GetSimpleVertexShaderInputLayout(),
+		StaticShaderCache::GetCopyGeometryShader(),
+		1.0,
+		0,
+		DXGI_FORMAT_D32_FLOAT
+		);
+
+	FramebufferManager::GetEFBColorTexture()->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_RENDER_TARGET);
+	FramebufferManager::GetEFBDepthTexture()->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_DEPTH_WRITE);
+	D3D::current_command_list->OMSetRenderTargets(1, &FramebufferManager::GetEFBColorTexture()->GetRTV12(), FALSE, &FramebufferManager::GetEFBDepthTexture()->GetDSV12());
+
+	// Restores proper viewport/scissor settings.
+	g_renderer->RestoreAPIState();
+}
+
+void XFBSource::DecodeToTexture(u32 xfbAddr, u32 fbWidth, u32 fbHeight)
+{
+	// DX12's XFB decoder does not use this function.
+	// YUYV data is decoded in Render::Swap.
+}
+
+void XFBSource::CopyEFB(float gamma)
+{
+	// Copy EFB data to XFB and restore render target again
+	const D3D12_VIEWPORT vp12 = { 0.f, 0.f, static_cast<float>(texWidth), static_cast<float>(texHeight), D3D12_MIN_DEPTH, D3D12_MAX_DEPTH };
+	D3D::current_command_list->RSSetViewports(1, &vp12);
+
+	const D3D12_RECT rect = CD3DX12_RECT(0, 0, texWidth, texHeight);
+
+	m_tex->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_RENDER_TARGET);
+	D3D::current_command_list->OMSetRenderTargets(1, &m_tex->GetRTV12(), FALSE, nullptr);
+
+	D3D::SetPointCopySampler();
+
+	D3D::DrawShadedTexQuad(
+		FramebufferManager::GetEFBColorTexture(),
+		&rect,
+		Renderer::GetTargetWidth(),
+		Renderer::GetTargetHeight(),
+		StaticShaderCache::GetColorCopyPixelShader(true),
+		StaticShaderCache::GetSimpleVertexShader(),
+		StaticShaderCache::GetSimpleVertexShaderInputLayout(),
+		StaticShaderCache::GetCopyGeometryShader(),
+		gamma,
+		0,
+		DXGI_FORMAT_R8G8B8A8_UNORM,
+		false,
+		m_tex->GetMultisampled()
+		);
+
+	FramebufferManager::GetEFBColorTexture()->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_RENDER_TARGET);
+	FramebufferManager::GetEFBDepthTexture()->TransitionToResourceState(D3D::current_command_list, D3D12_RESOURCE_STATE_DEPTH_WRITE );
+	D3D::current_command_list->OMSetRenderTargets(1, &FramebufferManager::GetEFBColorTexture()->GetRTV12(), FALSE, &FramebufferManager::GetEFBDepthTexture()->GetDSV12());
+
+	// Restores proper viewport/scissor settings.
+	g_renderer->RestoreAPIState();
+}
+
+}  // namespace DX12