mirror of
https://github.com/libretro/dolphin
synced 2024-11-09 15:01:46 -05:00
239 lines
9.3 KiB
C++
239 lines
9.3 KiB
C++
// Copyright 2019 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "Common/Assert.h"
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#include "Common/MsgHandler.h"
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#include "VideoBackends/D3D12/Common.h"
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#include "VideoBackends/D3D12/DXContext.h"
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#include "VideoBackends/D3D12/DXPipeline.h"
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#include "VideoBackends/D3D12/DXShader.h"
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#include "VideoBackends/D3D12/DXTexture.h"
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#include "VideoBackends/D3D12/DXVertexFormat.h"
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namespace DX12
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{
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DXPipeline::DXPipeline(ID3D12PipelineState* pipeline, ID3D12RootSignature* root_signature,
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AbstractPipelineUsage usage, D3D12_PRIMITIVE_TOPOLOGY primitive_topology,
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bool use_integer_rtv)
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: m_pipeline(pipeline), m_root_signature(root_signature), m_usage(usage),
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m_primitive_topology(primitive_topology), m_use_integer_rtv(use_integer_rtv)
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{
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}
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DXPipeline::~DXPipeline()
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{
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m_pipeline->Release();
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}
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static D3D12_PRIMITIVE_TOPOLOGY GetD3DTopology(const RasterizationState& state)
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{
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switch (state.primitive)
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{
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case PrimitiveType::Points:
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return D3D_PRIMITIVE_TOPOLOGY_POINTLIST;
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case PrimitiveType::Lines:
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return D3D_PRIMITIVE_TOPOLOGY_LINELIST;
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case PrimitiveType::Triangles:
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return D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
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case PrimitiveType::TriangleStrip:
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default:
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return D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP;
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}
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}
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static D3D12_PRIMITIVE_TOPOLOGY_TYPE GetD3DTopologyType(const RasterizationState& state)
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{
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switch (state.primitive)
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{
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case PrimitiveType::Points:
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return D3D12_PRIMITIVE_TOPOLOGY_TYPE_POINT;
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case PrimitiveType::Lines:
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return D3D12_PRIMITIVE_TOPOLOGY_TYPE_LINE;
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case PrimitiveType::Triangles:
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case PrimitiveType::TriangleStrip:
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default:
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return D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
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}
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}
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static void GetD3DRasterizerDesc(D3D12_RASTERIZER_DESC* desc, const RasterizationState& rs_state,
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const FramebufferState& fb_state)
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{
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// No CULL_ALL here.
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static constexpr std::array<D3D12_CULL_MODE, 4> cull_modes = {
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{D3D12_CULL_MODE_NONE, D3D12_CULL_MODE_BACK, D3D12_CULL_MODE_FRONT, D3D12_CULL_MODE_FRONT}};
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desc->FillMode = D3D12_FILL_MODE_SOLID;
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desc->CullMode = cull_modes[rs_state.cullmode];
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desc->MultisampleEnable = fb_state.samples > 1;
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}
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static void GetD3DDepthDesc(D3D12_DEPTH_STENCIL_DESC* desc, const DepthState& state)
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{
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// Less/greater are swapped due to inverted depth.
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static constexpr std::array<D3D12_COMPARISON_FUNC, 8> compare_funcs = {
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{D3D12_COMPARISON_FUNC_NEVER, D3D12_COMPARISON_FUNC_GREATER, D3D12_COMPARISON_FUNC_EQUAL,
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D3D12_COMPARISON_FUNC_GREATER_EQUAL, D3D12_COMPARISON_FUNC_LESS,
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D3D12_COMPARISON_FUNC_NOT_EQUAL, D3D12_COMPARISON_FUNC_LESS_EQUAL,
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D3D12_COMPARISON_FUNC_ALWAYS}};
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desc->DepthEnable = state.testenable;
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desc->DepthFunc = compare_funcs[state.func];
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desc->DepthWriteMask =
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state.updateenable ? D3D12_DEPTH_WRITE_MASK_ALL : D3D12_DEPTH_WRITE_MASK_ZERO;
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}
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static void GetD3DBlendDesc(D3D12_BLEND_DESC* desc, const BlendingState& state)
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{
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static constexpr std::array<D3D12_BLEND, 8> src_dual_src_factors = {
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{D3D12_BLEND_ZERO, D3D12_BLEND_ONE, D3D12_BLEND_DEST_COLOR, D3D12_BLEND_INV_DEST_COLOR,
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D3D12_BLEND_SRC1_ALPHA, D3D12_BLEND_INV_SRC1_ALPHA, D3D12_BLEND_DEST_ALPHA,
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D3D12_BLEND_INV_DEST_ALPHA}};
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static constexpr std::array<D3D12_BLEND, 8> dst_dual_src_factors = {
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{D3D12_BLEND_ZERO, D3D12_BLEND_ONE, D3D12_BLEND_SRC_COLOR, D3D12_BLEND_INV_SRC_COLOR,
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D3D12_BLEND_SRC1_ALPHA, D3D12_BLEND_INV_SRC1_ALPHA, D3D12_BLEND_DEST_ALPHA,
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D3D12_BLEND_INV_DEST_ALPHA}};
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static constexpr std::array<D3D12_BLEND, 8> src_factors = {
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{D3D12_BLEND_ZERO, D3D12_BLEND_ONE, D3D12_BLEND_DEST_COLOR, D3D12_BLEND_INV_DEST_COLOR,
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D3D12_BLEND_SRC_ALPHA, D3D12_BLEND_INV_SRC_ALPHA, D3D12_BLEND_DEST_ALPHA,
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D3D12_BLEND_INV_DEST_ALPHA}};
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static constexpr std::array<D3D12_BLEND, 8> dst_factors = {
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{D3D12_BLEND_ZERO, D3D12_BLEND_ONE, D3D12_BLEND_SRC_COLOR, D3D12_BLEND_INV_SRC_COLOR,
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D3D12_BLEND_SRC_ALPHA, D3D12_BLEND_INV_SRC_ALPHA, D3D12_BLEND_DEST_ALPHA,
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D3D12_BLEND_INV_DEST_ALPHA}};
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static constexpr std::array<D3D12_LOGIC_OP, 16> logic_ops = {
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{D3D12_LOGIC_OP_CLEAR, D3D12_LOGIC_OP_AND, D3D12_LOGIC_OP_AND_REVERSE, D3D12_LOGIC_OP_COPY,
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D3D12_LOGIC_OP_AND_INVERTED, D3D12_LOGIC_OP_NOOP, D3D12_LOGIC_OP_XOR, D3D12_LOGIC_OP_OR,
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D3D12_LOGIC_OP_NOR, D3D12_LOGIC_OP_EQUIV, D3D12_LOGIC_OP_INVERT, D3D12_LOGIC_OP_OR_REVERSE,
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D3D12_LOGIC_OP_COPY_INVERTED, D3D12_LOGIC_OP_OR_INVERTED, D3D12_LOGIC_OP_NAND,
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D3D12_LOGIC_OP_SET}};
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desc->AlphaToCoverageEnable = FALSE;
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desc->IndependentBlendEnable = FALSE;
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D3D12_RENDER_TARGET_BLEND_DESC* rtblend = &desc->RenderTarget[0];
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if (state.colorupdate)
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{
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rtblend->RenderTargetWriteMask |= D3D12_COLOR_WRITE_ENABLE_RED |
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D3D12_COLOR_WRITE_ENABLE_GREEN |
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D3D12_COLOR_WRITE_ENABLE_BLUE;
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}
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if (state.alphaupdate)
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{
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rtblend->RenderTargetWriteMask |= D3D12_COLOR_WRITE_ENABLE_ALPHA;
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}
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// blend takes precedence over logic op
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rtblend->BlendEnable = state.blendenable;
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if (state.blendenable)
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{
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rtblend->BlendOp = state.subtract ? D3D12_BLEND_OP_REV_SUBTRACT : D3D12_BLEND_OP_ADD;
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rtblend->BlendOpAlpha = state.subtractAlpha ? D3D12_BLEND_OP_REV_SUBTRACT : D3D12_BLEND_OP_ADD;
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if (state.usedualsrc)
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{
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rtblend->SrcBlend = src_dual_src_factors[state.srcfactor];
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rtblend->SrcBlendAlpha = src_dual_src_factors[state.srcfactoralpha];
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rtblend->DestBlend = dst_dual_src_factors[state.dstfactor];
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rtblend->DestBlendAlpha = dst_dual_src_factors[state.dstfactoralpha];
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}
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else
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{
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rtblend->SrcBlend = src_factors[state.srcfactor];
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rtblend->SrcBlendAlpha = src_factors[state.srcfactoralpha];
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rtblend->DestBlend = dst_factors[state.dstfactor];
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rtblend->DestBlendAlpha = dst_factors[state.dstfactoralpha];
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}
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}
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else
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{
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rtblend->LogicOpEnable = state.logicopenable;
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if (state.logicopenable)
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rtblend->LogicOp = logic_ops[state.logicmode];
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}
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}
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std::unique_ptr<DXPipeline> DXPipeline::Create(const AbstractPipelineConfig& config,
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const void* cache_data, size_t cache_data_size)
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{
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DEBUG_ASSERT(config.vertex_shader && config.pixel_shader);
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D3D12_GRAPHICS_PIPELINE_STATE_DESC desc = {};
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switch (config.usage)
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{
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case AbstractPipelineUsage::GX:
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desc.pRootSignature = g_dx_context->GetGXRootSignature();
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break;
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case AbstractPipelineUsage::Utility:
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desc.pRootSignature = g_dx_context->GetUtilityRootSignature();
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break;
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default:
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PanicAlert("Unknown pipeline layout.");
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return nullptr;
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}
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if (config.vertex_shader)
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desc.VS = static_cast<const DXShader*>(config.vertex_shader)->GetD3DByteCode();
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if (config.geometry_shader)
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desc.GS = static_cast<const DXShader*>(config.geometry_shader)->GetD3DByteCode();
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if (config.pixel_shader)
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desc.PS = static_cast<const DXShader*>(config.pixel_shader)->GetD3DByteCode();
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GetD3DBlendDesc(&desc.BlendState, config.blending_state);
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desc.SampleMask = 0xFFFFFFFF;
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GetD3DRasterizerDesc(&desc.RasterizerState, config.rasterization_state, config.framebuffer_state);
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GetD3DDepthDesc(&desc.DepthStencilState, config.depth_state);
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if (config.vertex_format)
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static_cast<const DXVertexFormat*>(config.vertex_format)->GetInputLayoutDesc(&desc.InputLayout);
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desc.IBStripCutValue = config.rasterization_state.primitive == PrimitiveType::TriangleStrip ?
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D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_0xFFFF :
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D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED;
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desc.PrimitiveTopologyType = GetD3DTopologyType(config.rasterization_state);
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if (config.framebuffer_state.color_texture_format != AbstractTextureFormat::Undefined)
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{
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desc.NumRenderTargets = 1;
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desc.RTVFormats[0] = D3DCommon::GetRTVFormatForAbstractFormat(
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config.framebuffer_state.color_texture_format, config.blending_state.logicopenable);
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}
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if (config.framebuffer_state.depth_texture_format != AbstractTextureFormat::Undefined)
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desc.DSVFormat =
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D3DCommon::GetDSVFormatForAbstractFormat(config.framebuffer_state.depth_texture_format);
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desc.SampleDesc.Count = config.framebuffer_state.samples;
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desc.NodeMask = 1;
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desc.CachedPSO.pCachedBlob = cache_data;
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desc.CachedPSO.CachedBlobSizeInBytes = cache_data_size;
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ID3D12PipelineState* pso;
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HRESULT hr = g_dx_context->GetDevice()->CreateGraphicsPipelineState(&desc, IID_PPV_ARGS(&pso));
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if (FAILED(hr))
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{
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WARN_LOG(VIDEO, "CreateGraphicsPipelineState() %sfailed with HRESULT %08X",
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cache_data ? "with cache data " : "", hr);
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return nullptr;
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}
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const bool use_integer_rtv =
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!config.blending_state.blendenable && config.blending_state.logicopenable;
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return std::make_unique<DXPipeline>(pso, desc.pRootSignature, config.usage,
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GetD3DTopology(config.rasterization_state), use_integer_rtv);
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}
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AbstractPipeline::CacheData DXPipeline::GetCacheData() const
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{
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ComPtr<ID3DBlob> blob;
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HRESULT hr = m_pipeline->GetCachedBlob(&blob);
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if (FAILED(hr))
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{
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WARN_LOG(VIDEO, "ID3D12Pipeline::GetCachedBlob() failed with HRESULT %08X", hr);
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return {};
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}
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CacheData data(blob->GetBufferSize());
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std::memcpy(data.data(), blob->GetBufferPointer(), blob->GetBufferSize());
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return data;
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}
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} // namespace DX12
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