fixed_pipeline_state: Pack depth stencil state
Reduce FixedPipelineState's size to 632 bytes.
This commit is contained in:
ReinUsesLisp
parent
ab6704f20c
commit
7790144a55
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@ -12,23 +12,32 @@
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namespace Vulkan {
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namespace {
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constexpr FixedPipelineState::DepthStencil GetDepthStencilState(const Maxwell& regs) {
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const FixedPipelineState::StencilFace front_stencil(
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regs.stencil_front_op_fail, regs.stencil_front_op_zfail, regs.stencil_front_op_zpass,
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regs.stencil_front_func_func);
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const FixedPipelineState::StencilFace back_stencil =
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regs.stencil_two_side_enable
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? FixedPipelineState::StencilFace(regs.stencil_back_op_fail, regs.stencil_back_op_zfail,
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regs.stencil_back_op_zpass,
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regs.stencil_back_func_func)
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: front_stencil;
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return FixedPipelineState::DepthStencil(
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regs.depth_test_enable == 1, regs.depth_write_enabled == 1, regs.depth_bounds_enable == 1,
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regs.stencil_enable == 1, regs.depth_test_func, front_stencil, back_stencil);
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void FixedPipelineState::DepthStencil::Fill(const Maxwell& regs) noexcept {
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raw = 0;
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front.action_stencil_fail.Assign(PackStencilOp(regs.stencil_front_op_fail));
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front.action_depth_fail.Assign(PackStencilOp(regs.stencil_front_op_zfail));
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front.action_depth_pass.Assign(PackStencilOp(regs.stencil_front_op_zpass));
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front.test_func.Assign(PackComparisonOp(regs.stencil_front_func_func));
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if (regs.stencil_two_side_enable) {
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back.action_stencil_fail.Assign(PackStencilOp(regs.stencil_back_op_fail));
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back.action_depth_fail.Assign(PackStencilOp(regs.stencil_back_op_zfail));
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back.action_depth_pass.Assign(PackStencilOp(regs.stencil_back_op_zpass));
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back.test_func.Assign(PackComparisonOp(regs.stencil_back_func_func));
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} else {
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back.action_stencil_fail.Assign(front.action_stencil_fail);
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back.action_depth_fail.Assign(front.action_depth_fail);
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back.action_depth_pass.Assign(front.action_depth_pass);
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back.test_func.Assign(front.test_func);
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}
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depth_test_enable.Assign(regs.depth_test_enable);
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depth_write_enable.Assign(regs.depth_write_enabled);
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depth_bounds_enable.Assign(regs.depth_bounds_enable);
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stencil_enable.Assign(regs.stencil_enable);
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depth_test_func.Assign(PackComparisonOp(regs.depth_test_func));
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}
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namespace {
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constexpr FixedPipelineState::InputAssembly GetInputAssemblyState(const Maxwell& regs) {
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return FixedPipelineState::InputAssembly(
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regs.draw.topology, regs.primitive_restart.enabled,
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@ -129,19 +138,6 @@ constexpr FixedPipelineState::Rasterizer GetRasterizerState(const Maxwell& regs)
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} // Anonymous namespace
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std::size_t FixedPipelineState::StencilFace::Hash() const noexcept {
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return static_cast<std::size_t>(action_stencil_fail) ^
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(static_cast<std::size_t>(action_depth_fail) << 4) ^
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(static_cast<std::size_t>(action_depth_fail) << 20) ^
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(static_cast<std::size_t>(action_depth_pass) << 36);
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}
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bool FixedPipelineState::StencilFace::operator==(const StencilFace& rhs) const noexcept {
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return std::tie(action_stencil_fail, action_depth_fail, action_depth_pass, test_func) ==
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std::tie(rhs.action_stencil_fail, rhs.action_depth_fail, rhs.action_depth_pass,
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rhs.test_func);
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}
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std::size_t FixedPipelineState::BlendingAttachment::Hash() const noexcept {
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return static_cast<std::size_t>(enable) ^ (static_cast<std::size_t>(rgb_equation) << 5) ^
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(static_cast<std::size_t>(src_rgb_func) << 10) ^
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@ -212,22 +208,11 @@ bool FixedPipelineState::Rasterizer::operator==(const Rasterizer& rhs) const noe
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}
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std::size_t FixedPipelineState::DepthStencil::Hash() const noexcept {
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std::size_t hash = static_cast<std::size_t>(depth_test_enable) ^
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(static_cast<std::size_t>(depth_write_enable) << 1) ^
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(static_cast<std::size_t>(depth_bounds_enable) << 2) ^
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(static_cast<std::size_t>(stencil_enable) << 3) ^
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(static_cast<std::size_t>(depth_test_function) << 4);
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boost::hash_combine(hash, front_stencil.Hash());
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boost::hash_combine(hash, back_stencil.Hash());
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return hash;
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return raw;
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}
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bool FixedPipelineState::DepthStencil::operator==(const DepthStencil& rhs) const noexcept {
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return std::tie(depth_test_enable, depth_write_enable, depth_bounds_enable, depth_test_function,
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stencil_enable, front_stencil, back_stencil) ==
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std::tie(rhs.depth_test_enable, rhs.depth_write_enable, rhs.depth_bounds_enable,
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rhs.depth_test_function, rhs.stencil_enable, rhs.front_stencil,
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rhs.back_stencil);
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return raw == rhs.raw;
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}
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std::size_t FixedPipelineState::ColorBlending::Hash() const noexcept {
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@ -266,9 +251,60 @@ FixedPipelineState GetFixedPipelineState(const Maxwell& regs) {
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fixed_state.input_assembly = GetInputAssemblyState(regs);
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fixed_state.tessellation = GetTessellationState(regs);
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fixed_state.rasterizer = GetRasterizerState(regs);
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fixed_state.depth_stencil = GetDepthStencilState(regs);
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fixed_state.depth_stencil.Fill(regs);
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fixed_state.color_blending = GetColorBlendingState(regs);
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return fixed_state;
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}
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u32 FixedPipelineState::PackComparisonOp(Maxwell::ComparisonOp op) noexcept {
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// OpenGL enums go from 0x200 to 0x207 and the others from 1 to 8
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// If we substract 0x200 to OpenGL enums and 1 to the others we get a 0-7 range.
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// Perfect for a hash.
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const u32 value = static_cast<u32>(op);
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return value - (value >= 0x200 ? 0x200 : 1);
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}
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Maxwell::ComparisonOp FixedPipelineState::UnpackComparisonOp(u32 packed) noexcept {
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// Read PackComparisonOp for the logic behind this.
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return static_cast<Maxwell::ComparisonOp>(packed + 1);
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}
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u32 FixedPipelineState::PackStencilOp(Maxwell::StencilOp op) noexcept {
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switch (op) {
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case Maxwell::StencilOp::Keep:
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case Maxwell::StencilOp::KeepOGL:
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return 0;
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case Maxwell::StencilOp::Zero:
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case Maxwell::StencilOp::ZeroOGL:
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return 1;
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case Maxwell::StencilOp::Replace:
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case Maxwell::StencilOp::ReplaceOGL:
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return 2;
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case Maxwell::StencilOp::Incr:
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case Maxwell::StencilOp::IncrOGL:
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return 3;
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case Maxwell::StencilOp::Decr:
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case Maxwell::StencilOp::DecrOGL:
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return 4;
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case Maxwell::StencilOp::Invert:
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case Maxwell::StencilOp::InvertOGL:
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return 5;
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case Maxwell::StencilOp::IncrWrap:
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case Maxwell::StencilOp::IncrWrapOGL:
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return 6;
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case Maxwell::StencilOp::DecrWrap:
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case Maxwell::StencilOp::DecrWrapOGL:
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return 7;
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}
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return 0;
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}
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Maxwell::StencilOp FixedPipelineState::UnpackStencilOp(u32 packed) noexcept {
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static constexpr std::array LUT = {Maxwell::StencilOp::Keep, Maxwell::StencilOp::Zero,
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Maxwell::StencilOp::Replace, Maxwell::StencilOp::Incr,
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Maxwell::StencilOp::Decr, Maxwell::StencilOp::Invert,
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Maxwell::StencilOp::IncrWrap, Maxwell::StencilOp::DecrWrap};
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return LUT[packed];
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}
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} // namespace Vulkan
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@ -24,27 +24,11 @@ inline constexpr bool IsHashable = std::has_unique_object_representations_v<T>&&
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std::is_trivially_copyable_v<T>&& std::is_trivially_constructible_v<T>;
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struct FixedPipelineState {
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struct StencilFace {
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constexpr StencilFace(Maxwell::StencilOp action_stencil_fail,
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Maxwell::StencilOp action_depth_fail,
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Maxwell::StencilOp action_depth_pass, Maxwell::ComparisonOp test_func)
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: action_stencil_fail{action_stencil_fail}, action_depth_fail{action_depth_fail},
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action_depth_pass{action_depth_pass}, test_func{test_func} {}
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StencilFace() = default;
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static u32 PackComparisonOp(Maxwell::ComparisonOp op) noexcept;
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static Maxwell::ComparisonOp UnpackComparisonOp(u32 packed) noexcept;
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Maxwell::StencilOp action_stencil_fail;
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Maxwell::StencilOp action_depth_fail;
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Maxwell::StencilOp action_depth_pass;
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Maxwell::ComparisonOp test_func;
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std::size_t Hash() const noexcept;
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bool operator==(const StencilFace& rhs) const noexcept;
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bool operator!=(const StencilFace& rhs) const noexcept {
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return !operator==(rhs);
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}
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};
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static u32 PackStencilOp(Maxwell::StencilOp op) noexcept;
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static Maxwell::StencilOp UnpackStencilOp(u32 packed) noexcept;
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struct BlendingAttachment {
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constexpr BlendingAttachment(bool enable, Maxwell::Blend::Equation rgb_equation,
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@ -202,23 +186,42 @@ struct FixedPipelineState {
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};
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struct DepthStencil {
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constexpr DepthStencil(bool depth_test_enable, bool depth_write_enable,
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bool depth_bounds_enable, bool stencil_enable,
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Maxwell::ComparisonOp depth_test_function, StencilFace front_stencil,
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StencilFace back_stencil)
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: depth_test_enable{depth_test_enable}, depth_write_enable{depth_write_enable},
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depth_bounds_enable{depth_bounds_enable}, stencil_enable{stencil_enable},
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depth_test_function{depth_test_function}, front_stencil{front_stencil},
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back_stencil{back_stencil} {}
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DepthStencil() = default;
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template <std::size_t Position>
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union StencilFace {
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BitField<Position + 0, 3, u32> action_stencil_fail;
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BitField<Position + 3, 3, u32> action_depth_fail;
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BitField<Position + 6, 3, u32> action_depth_pass;
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BitField<Position + 9, 3, u32> test_func;
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bool depth_test_enable;
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bool depth_write_enable;
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bool depth_bounds_enable;
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bool stencil_enable;
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Maxwell::ComparisonOp depth_test_function;
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StencilFace front_stencil;
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StencilFace back_stencil;
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Maxwell::StencilOp ActionStencilFail() const noexcept {
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return UnpackStencilOp(action_stencil_fail);
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}
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Maxwell::StencilOp ActionDepthFail() const noexcept {
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return UnpackStencilOp(action_depth_fail);
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}
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Maxwell::StencilOp ActionDepthPass() const noexcept {
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return UnpackStencilOp(action_depth_pass);
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}
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Maxwell::ComparisonOp TestFunc() const noexcept {
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return UnpackComparisonOp(test_func);
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}
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};
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union {
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u32 raw;
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StencilFace<0> front;
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StencilFace<12> back;
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BitField<24, 1, u32> depth_test_enable;
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BitField<25, 1, u32> depth_write_enable;
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BitField<26, 1, u32> depth_bounds_enable;
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BitField<27, 1, u32> stencil_enable;
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BitField<28, 3, u32> depth_test_func;
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};
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void Fill(const Maxwell& regs) noexcept;
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std::size_t Hash() const noexcept;
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@ -227,7 +230,12 @@ struct FixedPipelineState {
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bool operator!=(const DepthStencil& rhs) const noexcept {
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return !operator==(rhs);
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}
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Maxwell::ComparisonOp DepthTestFunc() const noexcept {
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return UnpackComparisonOp(depth_test_func);
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}
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};
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static_assert(IsHashable<DepthStencil>);
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struct ColorBlending {
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constexpr ColorBlending(
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@ -248,6 +256,13 @@ struct FixedPipelineState {
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}
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};
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VertexInput vertex_input;
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InputAssembly input_assembly;
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Tessellation tessellation;
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Rasterizer rasterizer;
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DepthStencil depth_stencil;
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ColorBlending color_blending;
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std::size_t Hash() const noexcept;
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bool operator==(const FixedPipelineState& rhs) const noexcept;
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@ -255,15 +270,7 @@ struct FixedPipelineState {
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bool operator!=(const FixedPipelineState& rhs) const noexcept {
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return !operator==(rhs);
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}
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VertexInput vertex_input;
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InputAssembly input_assembly;
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Tessellation tessellation;
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Rasterizer rasterizer;
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DepthStencil depth_stencil;
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ColorBlending color_blending;
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};
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static_assert(std::is_trivially_copyable_v<FixedPipelineState::StencilFace>);
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static_assert(std::is_trivially_copyable_v<FixedPipelineState::BlendingAttachment>);
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static_assert(std::is_trivially_copyable_v<FixedPipelineState::VertexInput>);
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static_assert(std::is_trivially_copyable_v<FixedPipelineState::InputAssembly>);
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@ -26,12 +26,13 @@ MICROPROFILE_DECLARE(Vulkan_PipelineCache);
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namespace {
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VkStencilOpState GetStencilFaceState(const FixedPipelineState::StencilFace& face) {
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template <class StencilFace>
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VkStencilOpState GetStencilFaceState(const StencilFace& face) {
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VkStencilOpState state;
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state.failOp = MaxwellToVK::StencilOp(face.action_stencil_fail);
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state.passOp = MaxwellToVK::StencilOp(face.action_depth_pass);
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state.depthFailOp = MaxwellToVK::StencilOp(face.action_depth_fail);
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state.compareOp = MaxwellToVK::ComparisonOp(face.test_func);
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state.failOp = MaxwellToVK::StencilOp(face.ActionStencilFail());
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state.passOp = MaxwellToVK::StencilOp(face.ActionDepthPass());
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state.depthFailOp = MaxwellToVK::StencilOp(face.ActionDepthFail());
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state.compareOp = MaxwellToVK::ComparisonOp(face.TestFunc());
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state.compareMask = 0;
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state.writeMask = 0;
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state.reference = 0;
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@ -277,13 +278,12 @@ vk::Pipeline VKGraphicsPipeline::CreatePipeline(const RenderPassParams& renderpa
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depth_stencil_ci.flags = 0;
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depth_stencil_ci.depthTestEnable = ds.depth_test_enable;
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depth_stencil_ci.depthWriteEnable = ds.depth_write_enable;
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depth_stencil_ci.depthCompareOp = ds.depth_test_enable
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? MaxwellToVK::ComparisonOp(ds.depth_test_function)
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: VK_COMPARE_OP_ALWAYS;
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depth_stencil_ci.depthCompareOp =
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ds.depth_test_enable ? MaxwellToVK::ComparisonOp(ds.DepthTestFunc()) : VK_COMPARE_OP_ALWAYS;
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depth_stencil_ci.depthBoundsTestEnable = ds.depth_bounds_enable;
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depth_stencil_ci.stencilTestEnable = ds.stencil_enable;
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depth_stencil_ci.front = GetStencilFaceState(ds.front_stencil);
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depth_stencil_ci.back = GetStencilFaceState(ds.back_stencil);
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depth_stencil_ci.front = GetStencilFaceState(ds.front);
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depth_stencil_ci.back = GetStencilFaceState(ds.back);
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depth_stencil_ci.minDepthBounds = 0.0f;
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depth_stencil_ci.maxDepthBounds = 0.0f;
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