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Add front-face culling support

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This commit is contained in:
Jack Andersen
2017-03-10 10:38:00 -10:00
parent 5c52877549
commit ca20aea834
11 changed files with 83 additions and 28 deletions
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24
lib/graphicsdev/D3D12.cpp
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@@ -654,10 +654,25 @@ class D3D12ShaderPipeline : public IShaderPipeline
D3D12ShareableShader::Token&& pixel, ID3DBlob* pipeline,
const D3D12VertexFormat* vtxFmt,
BlendFactor srcFac, BlendFactor dstFac, Primitive prim,
bool depthTest, bool depthWrite, bool backfaceCulling)
bool depthTest, bool depthWrite, CullMode culling)
: m_vtxFmt(vtxFmt), m_vert(std::move(vert)), m_pixel(std::move(pixel)),
m_topology(PRIMITIVE_TABLE[int(prim)])
{
D3D12_CULL_MODE cullMode;
switch (culling)
{
case CullMode::None:
default:
cullMode = D3D12_CULL_MODE_NONE;
break;
case CullMode::Backface:
cullMode = D3D12_CULL_MODE_BACK;
break;
case CullMode::Frontface:
cullMode = D3D12_CULL_MODE_FRONT;
break;
}
D3D12_GRAPHICS_PIPELINE_STATE_DESC desc = {};
desc.pRootSignature = ctx->m_rs.Get();
const auto& vBlob = m_vert.get().m_shader;
@@ -673,8 +688,7 @@ class D3D12ShaderPipeline : public IShaderPipeline
}
desc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3D12_DEFAULT);
desc.RasterizerState.FrontCounterClockwise = TRUE;
if (!backfaceCulling)
desc.RasterizerState.CullMode = D3D12_CULL_MODE_NONE;
desc.RasterizerState.CullMode = cullMode;
desc.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC(D3D12_DEFAULT);
desc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_GREATER_EQUAL;
if (!depthTest)
@@ -1753,7 +1767,7 @@ public:
ComPtr<ID3DBlob>* vertBlobOut, ComPtr<ID3DBlob>* fragBlobOut,
ComPtr<ID3DBlob>* pipelineBlob, IVertexFormat* vtxFmt,
BlendFactor srcFac, BlendFactor dstFac, Primitive prim,
bool depthTest, bool depthWrite, bool backfaceCulling)
bool depthTest, bool depthWrite, CullMode culling)
{
XXH64_state_t hashState;
uint64_t srcHashes[2] = {};
@@ -1839,7 +1853,7 @@ public:
ID3DBlob* pipeline = pipelineBlob ? pipelineBlob->Get() : nullptr;
D3D12ShaderPipeline* retval = new D3D12ShaderPipeline(m_parent.m_ctx, std::move(vertShader), std::move(fragShader),
pipeline, static_cast<const D3D12VertexFormat*>(vtxFmt),
srcFac, dstFac, prim, depthTest, depthWrite, backfaceCulling);
srcFac, dstFac, prim, depthTest, depthWrite, culling);
if (pipelineBlob && !*pipelineBlob)
retval->m_state->GetCachedBlob(&*pipelineBlob);
static_cast<D3D12Data*>(m_deferredData)->m_SPs.emplace_back(retval);