fixed_pipeline_state: Define structure and loaders
The intention behind this hasheable structure is to describe the state of fixed function pipeline state that gets compiled to a single graphics pipeline state object. This is all dynamic state in OpenGL but Vulkan wants it in an immutable state, even if hardware can edit it freely. In this commit the structure is defined in an optimized state (it uses booleans, has paddings and many data entries that can be packed to single integers). This is intentional as an initial implementation that is easier to debug, implement and review. It will be optimized in later stages, or it might change if Vulkan gets more dynamic states.master
ReinUsesLisp
parent
5770418fb3
commit
4a3026b16b
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <tuple>
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#include <boost/functional/hash.hpp>
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#include "common/common_types.h"
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#include "video_core/renderer_vulkan/fixed_pipeline_state.h"
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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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}
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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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regs.draw.topology == Maxwell::PrimitiveTopology::Points ? regs.point_size : 0.0f);
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}
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constexpr FixedPipelineState::BlendingAttachment GetBlendingAttachmentState(
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const Maxwell& regs, std::size_t render_target) {
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const auto& mask = regs.color_mask[regs.color_mask_common ? 0 : render_target];
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const std::array components = {mask.R != 0, mask.G != 0, mask.B != 0, mask.A != 0};
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const FixedPipelineState::BlendingAttachment default_blending(
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false, Maxwell::Blend::Equation::Add, Maxwell::Blend::Factor::One,
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Maxwell::Blend::Factor::Zero, Maxwell::Blend::Equation::Add, Maxwell::Blend::Factor::One,
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Maxwell::Blend::Factor::Zero, components);
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if (render_target >= regs.rt_control.count) {
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return default_blending;
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}
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if (!regs.independent_blend_enable) {
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const auto& src = regs.blend;
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if (!src.enable[render_target]) {
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return default_blending;
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}
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return FixedPipelineState::BlendingAttachment(
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true, src.equation_rgb, src.factor_source_rgb, src.factor_dest_rgb, src.equation_a,
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src.factor_source_a, src.factor_dest_a, components);
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}
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if (!regs.blend.enable[render_target]) {
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return default_blending;
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}
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const auto& src = regs.independent_blend[render_target];
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return FixedPipelineState::BlendingAttachment(
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true, src.equation_rgb, src.factor_source_rgb, src.factor_dest_rgb, src.equation_a,
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src.factor_source_a, src.factor_dest_a, components);
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}
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constexpr FixedPipelineState::ColorBlending GetColorBlendingState(const Maxwell& regs) {
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return FixedPipelineState::ColorBlending(
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{regs.blend_color.r, regs.blend_color.g, regs.blend_color.b, regs.blend_color.a},
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regs.rt_control.count,
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{GetBlendingAttachmentState(regs, 0), GetBlendingAttachmentState(regs, 1),
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GetBlendingAttachmentState(regs, 2), GetBlendingAttachmentState(regs, 3),
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GetBlendingAttachmentState(regs, 4), GetBlendingAttachmentState(regs, 5),
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GetBlendingAttachmentState(regs, 6), GetBlendingAttachmentState(regs, 7)});
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}
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constexpr FixedPipelineState::Tessellation GetTessellationState(const Maxwell& regs) {
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return FixedPipelineState::Tessellation(regs.patch_vertices, regs.tess_mode.prim,
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regs.tess_mode.spacing, regs.tess_mode.cw != 0);
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}
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constexpr std::size_t Point = 0;
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constexpr std::size_t Line = 1;
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constexpr std::size_t Polygon = 2;
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constexpr std::array PolygonOffsetEnableLUT = {
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Point, // Points
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Line, // Lines
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Line, // LineLoop
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Line, // LineStrip
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Polygon, // Triangles
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Polygon, // TriangleStrip
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Polygon, // TriangleFan
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Polygon, // Quads
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Polygon, // QuadStrip
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Polygon, // Polygon
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Line, // LinesAdjacency
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Line, // LineStripAdjacency
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Polygon, // TrianglesAdjacency
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Polygon, // TriangleStripAdjacency
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Polygon, // Patches
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};
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constexpr FixedPipelineState::Rasterizer GetRasterizerState(const Maxwell& regs) {
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const std::array enabled_lut = {regs.polygon_offset_point_enable,
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regs.polygon_offset_line_enable,
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regs.polygon_offset_fill_enable};
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const auto topology = static_cast<std::size_t>(regs.draw.topology.Value());
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const bool depth_bias_enabled = enabled_lut[PolygonOffsetEnableLUT[topology]];
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Maxwell::Cull::FrontFace front_face = regs.cull.front_face;
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if (regs.screen_y_control.triangle_rast_flip != 0 &&
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regs.viewport_transform[0].scale_y > 0.0f) {
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if (front_face == Maxwell::Cull::FrontFace::CounterClockWise)
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front_face = Maxwell::Cull::FrontFace::ClockWise;
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else if (front_face == Maxwell::Cull::FrontFace::ClockWise)
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front_face = Maxwell::Cull::FrontFace::CounterClockWise;
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}
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const bool gl_ndc = regs.depth_mode == Maxwell::DepthMode::MinusOneToOne;
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return FixedPipelineState::Rasterizer(regs.cull.enabled, depth_bias_enabled, gl_ndc,
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regs.cull.cull_face, front_face);
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}
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} // Anonymous namespace
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std::size_t FixedPipelineState::VertexBinding::Hash() const {
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return (index << stride) ^ divisor;
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}
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bool FixedPipelineState::VertexBinding::operator==(const VertexBinding& rhs) const {
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return std::tie(index, stride, divisor) == std::tie(rhs.index, rhs.stride, rhs.divisor);
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}
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std::size_t FixedPipelineState::VertexAttribute::Hash() const {
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return static_cast<std::size_t>(index) ^ (static_cast<std::size_t>(buffer) << 13) ^
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(static_cast<std::size_t>(type) << 22) ^ (static_cast<std::size_t>(size) << 31) ^
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(static_cast<std::size_t>(offset) << 36);
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}
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bool FixedPipelineState::VertexAttribute::operator==(const VertexAttribute& rhs) const {
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return std::tie(index, buffer, type, size, offset) ==
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std::tie(rhs.index, rhs.buffer, rhs.type, rhs.size, rhs.offset);
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}
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std::size_t FixedPipelineState::StencilFace::Hash() const {
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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 {
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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 {
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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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(static_cast<std::size_t>(dst_rgb_func) << 15) ^
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(static_cast<std::size_t>(a_equation) << 20) ^
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(static_cast<std::size_t>(src_a_func) << 25) ^
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(static_cast<std::size_t>(dst_a_func) << 30) ^
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(static_cast<std::size_t>(components[0]) << 35) ^
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(static_cast<std::size_t>(components[1]) << 36) ^
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(static_cast<std::size_t>(components[2]) << 37) ^
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(static_cast<std::size_t>(components[3]) << 38);
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}
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bool FixedPipelineState::BlendingAttachment::operator==(const BlendingAttachment& rhs) const {
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return std::tie(enable, rgb_equation, src_rgb_func, dst_rgb_func, a_equation, src_a_func,
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dst_a_func, components) ==
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std::tie(rhs.enable, rhs.rgb_equation, rhs.src_rgb_func, rhs.dst_rgb_func,
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rhs.a_equation, rhs.src_a_func, rhs.dst_a_func, rhs.components);
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}
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std::size_t FixedPipelineState::VertexInput::Hash() const {
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std::size_t hash = num_bindings ^ (num_attributes << 32);
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for (std::size_t i = 0; i < num_bindings; ++i) {
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boost::hash_combine(hash, bindings[i].Hash());
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}
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for (std::size_t i = 0; i < num_attributes; ++i) {
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boost::hash_combine(hash, attributes[i].Hash());
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}
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return hash;
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}
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bool FixedPipelineState::VertexInput::operator==(const VertexInput& rhs) const {
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return std::equal(bindings.begin(), bindings.begin() + num_bindings, rhs.bindings.begin(),
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rhs.bindings.begin() + rhs.num_bindings) &&
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std::equal(attributes.begin(), attributes.begin() + num_attributes,
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rhs.attributes.begin(), rhs.attributes.begin() + rhs.num_attributes);
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}
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std::size_t FixedPipelineState::InputAssembly::Hash() const {
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std::size_t point_size_int = 0;
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std::memcpy(&point_size_int, &point_size, sizeof(point_size));
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return (static_cast<std::size_t>(topology) << 24) ^ (point_size_int << 32) ^
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static_cast<std::size_t>(primitive_restart_enable);
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}
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bool FixedPipelineState::InputAssembly::operator==(const InputAssembly& rhs) const {
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return std::tie(topology, primitive_restart_enable, point_size) ==
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std::tie(rhs.topology, rhs.primitive_restart_enable, rhs.point_size);
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}
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std::size_t FixedPipelineState::Tessellation::Hash() const {
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return static_cast<std::size_t>(patch_control_points) ^
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(static_cast<std::size_t>(primitive) << 6) ^ (static_cast<std::size_t>(spacing) << 8) ^
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(static_cast<std::size_t>(clockwise) << 10);
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}
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bool FixedPipelineState::Tessellation::operator==(const Tessellation& rhs) const {
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return std::tie(patch_control_points, primitive, spacing, clockwise) ==
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std::tie(rhs.patch_control_points, rhs.primitive, rhs.spacing, rhs.clockwise);
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}
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std::size_t FixedPipelineState::Rasterizer::Hash() const {
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return static_cast<std::size_t>(cull_enable) ^
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(static_cast<std::size_t>(depth_bias_enable) << 1) ^
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(static_cast<std::size_t>(ndc_minus_one_to_one) << 2) ^
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(static_cast<std::size_t>(cull_face) << 24) ^
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(static_cast<std::size_t>(front_face) << 48);
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}
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bool FixedPipelineState::Rasterizer::operator==(const Rasterizer& rhs) const {
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return std::tie(cull_enable, depth_bias_enable, ndc_minus_one_to_one, cull_face, front_face) ==
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std::tie(rhs.cull_enable, rhs.depth_bias_enable, rhs.ndc_minus_one_to_one, rhs.cull_face,
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rhs.front_face);
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}
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std::size_t FixedPipelineState::DepthStencil::Hash() const {
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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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}
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bool FixedPipelineState::DepthStencil::operator==(const DepthStencil& rhs) const {
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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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}
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std::size_t FixedPipelineState::ColorBlending::Hash() const {
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std::size_t hash = attachments_count << 13;
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for (std::size_t rt = 0; rt < static_cast<std::size_t>(attachments_count); ++rt) {
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boost::hash_combine(hash, attachments[rt].Hash());
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}
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return hash;
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}
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bool FixedPipelineState::ColorBlending::operator==(const ColorBlending& rhs) const {
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return std::equal(attachments.begin(), attachments.begin() + attachments_count,
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rhs.attachments.begin(), rhs.attachments.begin() + rhs.attachments_count);
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}
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std::size_t FixedPipelineState::Hash() const noexcept {
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std::size_t hash = 0;
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boost::hash_combine(hash, vertex_input.Hash());
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boost::hash_combine(hash, input_assembly.Hash());
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boost::hash_combine(hash, tessellation.Hash());
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boost::hash_combine(hash, rasterizer.Hash());
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boost::hash_combine(hash, depth_stencil.Hash());
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boost::hash_combine(hash, color_blending.Hash());
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return hash;
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}
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bool FixedPipelineState::operator==(const FixedPipelineState& rhs) const noexcept {
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return std::tie(vertex_input, input_assembly, tessellation, rasterizer, depth_stencil,
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color_blending) == std::tie(rhs.vertex_input, rhs.input_assembly,
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rhs.tessellation, rhs.rasterizer, rhs.depth_stencil,
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rhs.color_blending);
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}
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FixedPipelineState GetFixedPipelineState(const Maxwell& regs) {
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FixedPipelineState fixed_state;
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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.color_blending = GetColorBlendingState(regs);
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return fixed_state;
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}
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} // namespace Vulkan
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@ -0,0 +1,231 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <type_traits>
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#include "common/common_types.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/surface.h"
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namespace Vulkan {
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using Maxwell = Tegra::Engines::Maxwell3D::Regs;
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// TODO(Rodrigo): Optimize this structure.
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struct FixedPipelineState {
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using PixelFormat = VideoCore::Surface::PixelFormat;
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struct VertexBinding {
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constexpr VertexBinding(u32 index, u32 stride, u32 divisor)
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: index{index}, stride{stride}, divisor{divisor} {}
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VertexBinding() = default;
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u32 index;
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u32 stride;
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u32 divisor;
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std::size_t Hash() const;
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bool operator==(const VertexBinding& rhs) const;
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};
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struct VertexAttribute {
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constexpr VertexAttribute(u32 index, u32 buffer, Maxwell::VertexAttribute::Type type,
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Maxwell::VertexAttribute::Size size, u32 offset)
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: index{index}, buffer{buffer}, type{type}, size{size}, offset{offset} {}
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VertexAttribute() = default;
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u32 index;
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u32 buffer;
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Maxwell::VertexAttribute::Type type;
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Maxwell::VertexAttribute::Size size;
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u32 offset;
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std::size_t Hash() const;
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bool operator==(const VertexAttribute& rhs) const;
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};
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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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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;
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bool operator==(const StencilFace& rhs) const;
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};
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struct BlendingAttachment {
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constexpr BlendingAttachment(bool enable, Maxwell::Blend::Equation rgb_equation,
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Maxwell::Blend::Factor src_rgb_func,
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Maxwell::Blend::Factor dst_rgb_func,
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Maxwell::Blend::Equation a_equation,
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Maxwell::Blend::Factor src_a_func,
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Maxwell::Blend::Factor dst_a_func,
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std::array<bool, 4> components)
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: enable{enable}, rgb_equation{rgb_equation}, src_rgb_func{src_rgb_func},
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dst_rgb_func{dst_rgb_func}, a_equation{a_equation}, src_a_func{src_a_func},
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dst_a_func{dst_a_func}, components{components} {}
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BlendingAttachment() = default;
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bool enable;
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Maxwell::Blend::Equation rgb_equation;
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Maxwell::Blend::Factor src_rgb_func;
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Maxwell::Blend::Factor dst_rgb_func;
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Maxwell::Blend::Equation a_equation;
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Maxwell::Blend::Factor src_a_func;
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Maxwell::Blend::Factor dst_a_func;
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std::array<bool, 4> components;
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std::size_t Hash() const;
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bool operator==(const BlendingAttachment& rhs) const;
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};
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struct VertexInput {
|
||||
std::size_t num_bindings = 0;
|
||||
std::size_t num_attributes = 0;
|
||||
std::array<VertexBinding, Maxwell::NumVertexArrays> bindings;
|
||||
std::array<VertexAttribute, Maxwell::NumVertexAttributes> attributes;
|
||||
|
||||
std::size_t Hash() const;
|
||||
bool operator==(const VertexInput& rhs) const;
|
||||
};
|
||||
|
||||
struct InputAssembly {
|
||||
constexpr InputAssembly(Maxwell::PrimitiveTopology topology, bool primitive_restart_enable,
|
||||
float point_size)
|
||||
: topology{topology}, primitive_restart_enable{primitive_restart_enable},
|
||||
point_size{point_size} {}
|
||||
InputAssembly() = default;
|
||||
|
||||
Maxwell::PrimitiveTopology topology;
|
||||
bool primitive_restart_enable;
|
||||
float point_size;
|
||||
|
||||
std::size_t Hash() const;
|
||||
bool operator==(const InputAssembly& rhs) const;
|
||||
};
|
||||
|
||||
struct Tessellation {
|
||||
constexpr Tessellation(u32 patch_control_points, Maxwell::TessellationPrimitive primitive,
|
||||
Maxwell::TessellationSpacing spacing, bool clockwise)
|
||||
: patch_control_points{patch_control_points}, primitive{primitive}, spacing{spacing},
|
||||
clockwise{clockwise} {}
|
||||
Tessellation() = default;
|
||||
|
||||
u32 patch_control_points;
|
||||
Maxwell::TessellationPrimitive primitive;
|
||||
Maxwell::TessellationSpacing spacing;
|
||||
bool clockwise;
|
||||
|
||||
std::size_t Hash() const;
|
||||
bool operator==(const Tessellation& rhs) const;
|
||||
};
|
||||
|
||||
struct Rasterizer {
|
||||
constexpr Rasterizer(bool cull_enable, bool depth_bias_enable, bool ndc_minus_one_to_one,
|
||||
Maxwell::Cull::CullFace cull_face, Maxwell::Cull::FrontFace front_face)
|
||||
: cull_enable{cull_enable}, depth_bias_enable{depth_bias_enable},
|
||||
ndc_minus_one_to_one{ndc_minus_one_to_one}, cull_face{cull_face}, front_face{
|
||||
front_face} {}
|
||||
Rasterizer() = default;
|
||||
|
||||
bool cull_enable;
|
||||
bool depth_bias_enable;
|
||||
bool ndc_minus_one_to_one;
|
||||
Maxwell::Cull::CullFace cull_face;
|
||||
Maxwell::Cull::FrontFace front_face;
|
||||
|
||||
std::size_t Hash() const;
|
||||
bool operator==(const Rasterizer& rhs) const;
|
||||
};
|
||||
|
||||
struct DepthStencil {
|
||||
constexpr DepthStencil(bool depth_test_enable, bool depth_write_enable,
|
||||
bool depth_bounds_enable, bool stencil_enable,
|
||||
Maxwell::ComparisonOp depth_test_function, StencilFace front_stencil,
|
||||
StencilFace back_stencil)
|
||||
: depth_test_enable{depth_test_enable}, depth_write_enable{depth_write_enable},
|
||||
depth_bounds_enable{depth_bounds_enable}, stencil_enable{stencil_enable},
|
||||
depth_test_function{depth_test_function}, front_stencil{front_stencil},
|
||||
back_stencil{back_stencil} {}
|
||||
DepthStencil() = default;
|
||||
|
||||
bool depth_test_enable;
|
||||
bool depth_write_enable;
|
||||
bool depth_bounds_enable;
|
||||
bool stencil_enable;
|
||||
Maxwell::ComparisonOp depth_test_function;
|
||||
StencilFace front_stencil;
|
||||
StencilFace back_stencil;
|
||||
|
||||
std::size_t Hash() const;
|
||||
bool operator==(const DepthStencil& rhs) const;
|
||||
};
|
||||
|
||||
struct ColorBlending {
|
||||
constexpr ColorBlending(
|
||||
std::array<float, 4> blend_constants, std::size_t attachments_count,
|
||||
std::array<BlendingAttachment, Maxwell::NumRenderTargets> attachments)
|
||||
: attachments_count{attachments_count}, attachments{attachments} {}
|
||||
ColorBlending() = default;
|
||||
|
||||
std::size_t attachments_count;
|
||||
std::array<BlendingAttachment, Maxwell::NumRenderTargets> attachments;
|
||||
|
||||
std::size_t Hash() const;
|
||||
bool operator==(const ColorBlending& rhs) const;
|
||||
};
|
||||
|
||||
std::size_t Hash() const noexcept;
|
||||
bool operator==(const FixedPipelineState& rhs) const noexcept;
|
||||
|
||||
bool operator!=(const FixedPipelineState& rhs) const noexcept {
|
||||
return !operator==(rhs);
|
||||
}
|
||||
|
||||
VertexInput vertex_input;
|
||||
InputAssembly input_assembly;
|
||||
Tessellation tessellation;
|
||||
Rasterizer rasterizer;
|
||||
DepthStencil depth_stencil;
|
||||
ColorBlending color_blending;
|
||||
};
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::VertexBinding>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::VertexAttribute>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::StencilFace>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::BlendingAttachment>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::VertexInput>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::InputAssembly>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::Tessellation>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::Rasterizer>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::DepthStencil>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState::ColorBlending>);
|
||||
static_assert(std::is_trivially_copyable_v<FixedPipelineState>);
|
||||
|
||||
FixedPipelineState GetFixedPipelineState(const Maxwell& regs);
|
||||
|
||||
} // namespace Vulkan
|
||||
|
||||
namespace std {
|
||||
|
||||
template <>
|
||||
struct hash<Vulkan::FixedPipelineState> {
|
||||
std::size_t operator()(const Vulkan::FixedPipelineState& k) const noexcept {
|
||||
return k.Hash();
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace std
|
||||
Loading…
Reference in New Issue