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[d3d11] Test streamout queries + additional output components

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This commit is contained in:
Philip Rebohle 2018-09-14 13:45:49 +02:00
parent 93ce1e62b8
commit be1bb59844
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GPG Key ID: C8CC613427A31C99
1 changed files with 50 additions and 5 deletions
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55
tests/d3d11/test_d3d11_streamout.cpp
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@ -25,13 +25,17 @@ const std::string g_gsCode =
"};\n"
"struct GS_OUT_NORMAL {\n"
" float3 nor : GS_NORMAL;\n"
" float len : GS_LENGTH;\n"
"};\n"
"[maxvertexcount(1)]\n"
"void main(triangle GS_IN vs_in[3], inout PointStream<GS_OUT_NORMAL> o_normals) {\n"
" float3 ds1 = vs_in[1].pos.xyz - vs_in[0].pos.xyz;\n"
" float3 ds2 = vs_in[2].pos.xyz - vs_in[0].pos.xyz;\n"
" float3 cv = cross(ds1, ds2);\n"
" float cl = length(cv);\n"
" GS_OUT_NORMAL normal;\n"
" normal.nor = normalize(cross(ds1, ds2));\n"
" normal.nor = cv / cl;\n"
" normal.len = cl;"
" o_normals.Append(normal);\n"
"}\n";
@ -47,12 +51,15 @@ Com<ID3D11Buffer> g_vertexBuffer;
Com<ID3D11Buffer> g_normalBuffer;
Com<ID3D11Buffer> g_readBuffer;
Com<ID3D11Query> g_soStream;
Com<ID3D11Query> g_soOverflow;
struct Vertex {
float x, y, z, w;
};
struct Normal {
float x, y, z;
float x, y, z, len;
};
int WINAPI WinMain(HINSTANCE hInstance,
@ -92,8 +99,9 @@ int WINAPI WinMain(HINSTANCE hInstance,
return 1;
}
std::array<D3D11_SO_DECLARATION_ENTRY, 1> soDeclarations = {{
std::array<D3D11_SO_DECLARATION_ENTRY, 2> soDeclarations = {{
{ 0, "GS_NORMAL", 0, 0, 3, 0 },
{ 0, "GS_LENGTH", 0, 0, 1, 0 },
}};
std::array<UINT, 1> soBufferStrides = {{
@ -127,7 +135,7 @@ int WINAPI WinMain(HINSTANCE hInstance,
return 1;
}
std::array<Vertex, 6> vertexData = {{
std::array<Vertex, 9> vertexData = {{
{ 0.0f, 0.0f, 0.0f, 1.0f },
{ 1.0f, 0.0f, 0.0f, 1.0f },
{ 0.0f, 1.0f, 0.0f, 1.0f },
@ -135,6 +143,10 @@ int WINAPI WinMain(HINSTANCE hInstance,
{ 0.5f,-1.0f,-0.2f, 1.0f },
{ 3.2f, 2.0f, 0.0f, 1.0f },
{-1.0f,-1.0f, 0.4f, 1.0f },
{ 0.7f,-0.5f,-0.8f, 1.0f },
{ 1.2f, 1.0f,-1.0f, 1.0f },
{-0.1f, 1.0f,-2.7f, 1.0f },
}};
D3D11_BUFFER_DESC vertexDesc;
@ -188,6 +200,21 @@ int WINAPI WinMain(HINSTANCE hInstance,
return 1;
}
D3D11_QUERY_DESC soQueryDesc;
soQueryDesc.Query = D3D11_QUERY_SO_STATISTICS_STREAM0;
soQueryDesc.MiscFlags = 0;
if (FAILED(g_d3d11Device->CreateQuery(&soQueryDesc, &g_soStream))) {
std::cerr << "Failed to create streamout query" << std::endl;
return 1;
}
soQueryDesc.Query = D3D11_QUERY_SO_OVERFLOW_PREDICATE_STREAM0;
if (FAILED(g_d3d11Device->CreateQuery(&soQueryDesc, &g_soOverflow))) {
std::cerr << "Failed to create streamout overflow query" << std::endl;
return 1;
}
UINT soOffset = 0;
UINT vbOffset = 0;
UINT vbStride = sizeof(Vertex);
@ -218,12 +245,29 @@ int WINAPI WinMain(HINSTANCE hInstance,
g_d3d11Context->VSSetShader(g_vertShader.ptr(), nullptr, 0);
g_d3d11Context->GSSetShader(g_geomShader.ptr(), nullptr, 0);
g_d3d11Context->Begin(g_soStream.ptr());
g_d3d11Context->Begin(g_soOverflow.ptr());
g_d3d11Context->Draw(vertexData.size(), 0);
g_d3d11Context->End(g_soOverflow.ptr());
g_d3d11Context->End(g_soStream.ptr());
g_d3d11Context->CopyResource(
g_readBuffer.ptr(),
g_normalBuffer.ptr());
D3D11_QUERY_DATA_SO_STATISTICS soQueryData = { };
BOOL soOverflowData = false;
while (g_d3d11Context->GetData(g_soStream.ptr(), &soQueryData, sizeof(soQueryData), 0) != S_OK
|| g_d3d11Context->GetData(g_soOverflow.ptr(), &soOverflowData, sizeof(soOverflowData), 0) != S_OK)
continue;
std::cout << "Written: " << soQueryData.NumPrimitivesWritten << std::endl;
std::cout << "Needed: " << soQueryData.PrimitivesStorageNeeded << std::endl;
std::cout << "Overflow: " << (soOverflowData ? "Yes" : "No") << std::endl;
D3D11_MAPPED_SUBRESOURCE mapInfo;
if (FAILED(g_d3d11Context->Map(g_readBuffer.ptr(), 0, D3D11_MAP_READ, 0, &mapInfo))) {
@ -236,7 +280,8 @@ int WINAPI WinMain(HINSTANCE hInstance,
for (uint32_t i = 0; i < normalData.size(); i++) {
std::cout << i << ": " << normalData[i].x << ","
<< normalData[i].y << "," << normalData[i].z << std::endl;
<< normalData[i].y << "," << normalData[i].z << ","
<< normalData[i].len << std::endl;
}
return 0;