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Implement Maxwell3D Tessellation State

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This implements all Maxwell3D registers and HLE Vulkan state for Tessellation including invalidation of the TCS (Tessellation Control Shader) state during state changes.
This commit is contained in:
PixelyIon
2022-04-24 13:21:45 +05:30
parent de796cd2cd
commit f9c052d1b7
4 changed files with 132 additions and 0 deletions
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81
app/src/main/cpp/skyline/gpu/interconnect/graphics_context.h
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@ -1868,6 +1868,86 @@ namespace skyline::gpu::interconnect {
inputAssemblyState.primitiveRestartEnable = enable;
}
/* Tessellation */
private:
vk::PipelineTessellationStateCreateInfo tessellationState{};
maxwell3d::TessellationPrimitive tessellationPrimitive{};
maxwell3d::TessellationSpacing tessellationSpacing{};
bool isTessellationWindingClockwise{};
bool IsTessellationModeClockwise(maxwell3d::TessellationPrimitive primitive, maxwell3d::TessellationWinding winding) {
if (primitive == maxwell3d::TessellationPrimitive::Isoline)
return false;
switch (winding) {
case maxwell3d::TessellationWinding::CounterClockwiseAndNotConnected:
case maxwell3d::TessellationWinding::ConnectedTriangle:
return false;
case maxwell3d::TessellationWinding::ClockwiseTriangle:
case maxwell3d::TessellationWinding::ClockwiseConnectedTriangle:
return true;
default:
throw exception("Unimplemented Maxwell3D Tessellation Winding: {}", winding);
}
}
public:
void SetTessellationPatchSize(u32 patchControlPoints) {
tessellationState.patchControlPoints = patchControlPoints;
}
void SetTessellationMode(maxwell3d::TessellationPrimitive primitive, maxwell3d::TessellationSpacing spacing, maxwell3d::TessellationWinding winding) {
if (tessellationPrimitive != primitive) {
auto shaderPrimitive{[](maxwell3d::TessellationPrimitive primitive) -> ShaderCompiler::TessPrimitive {
using Primitive = maxwell3d::TessellationPrimitive;
using ShaderPrimitive = ShaderCompiler::TessPrimitive;
switch (primitive) {
case Primitive::Isoline:
return ShaderPrimitive::Isolines;
case Primitive::Triangle:
return ShaderPrimitive::Triangles;
case Primitive::Quad:
return ShaderPrimitive::Quads;
default:
throw exception("Unimplemented Maxwell3D Tessellation Primitive: {}", primitive);
}
}(primitive)};
UpdateRuntimeInformation(runtimeInfo.tess_primitive, shaderPrimitive, maxwell3d::PipelineStage::TessellationEvaluation);
tessellationPrimitive = primitive;
}
if (tessellationSpacing != spacing) {
auto shaderTessellationSpacing{[](maxwell3d::TessellationSpacing spacing) -> ShaderCompiler::TessSpacing {
using Spacing = maxwell3d::TessellationSpacing;
using ShaderSpacing = ShaderCompiler::TessSpacing;
switch (spacing) {
case Spacing::Equal:
return ShaderSpacing::Equal;
case Spacing::FractionalEven:
return ShaderSpacing::FractionalEven;
case Spacing::FractionalOdd:
return ShaderSpacing::FractionalOdd;
default:
throw exception("Unimplemented Maxwell3D Tessellation Spacing: {}", spacing);
}
}(spacing)};
UpdateRuntimeInformation(runtimeInfo.tess_spacing, shaderTessellationSpacing, maxwell3d::PipelineStage::TessellationEvaluation);
tessellationSpacing = spacing;
}
bool isClockwise{IsTessellationModeClockwise(primitive, winding)};
if (isTessellationWindingClockwise != isClockwise) {
UpdateRuntimeInformation(runtimeInfo.tess_clockwise, isClockwise, maxwell3d::PipelineStage::TessellationEvaluation);
isTessellationWindingClockwise = isClockwise;
}
}
/* Index Buffer */
private:
struct IndexBuffer {
@ -2798,6 +2878,7 @@ namespace skyline::gpu::interconnect {
.stageCount = static_cast<u32>(shaderStages.size()),
.pVertexInputState = &vertexState.get<vk::PipelineVertexInputStateCreateInfo>(),
.pInputAssemblyState = &inputAssemblyState,
.pTessellationState = &tessellationState,
.pViewportState = &viewportState,
.pRasterizationState = &rasterizerState.get<vk::PipelineRasterizationStateCreateInfo>(),
.pMultisampleState = &multisampleState,