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yuzu/src/video_core/renderer_vulkan/fixed_pipeline_state.cpp

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// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <cstring>
#include "common/bit_cast.h"
#include "common/cityhash.h"
#include "common/common_types.h"
#include "common/polyfill_ranges.h"
#include "video_core/engines/draw_manager.h"
#include "video_core/renderer_vulkan/fixed_pipeline_state.h"
#include "video_core/renderer_vulkan/vk_state_tracker.h"
namespace Vulkan {
namespace {
constexpr size_t POINT = 0;
constexpr size_t LINE = 1;
constexpr size_t POLYGON = 2;
constexpr std::array POLYGON_OFFSET_ENABLE_LUT = {
POINT, // Points
LINE, // Lines
LINE, // LineLoop
LINE, // LineStrip
POLYGON, // Triangles
POLYGON, // TriangleStrip
POLYGON, // TriangleFan
POLYGON, // Quads
POLYGON, // QuadStrip
POLYGON, // Polygon
LINE, // LinesAdjacency
LINE, // LineStripAdjacency
POLYGON, // TrianglesAdjacency
POLYGON, // TriangleStripAdjacency
POLYGON, // Patches
};
void RefreshXfbState(VideoCommon::TransformFeedbackState& state, const Maxwell& regs) {
std::ranges::transform(regs.transform_feedback.controls, state.layouts.begin(),
[](const auto& layout) {
return VideoCommon::TransformFeedbackState::Layout{
.stream = layout.stream,
.varying_count = layout.varying_count,
.stride = layout.stride,
};
});
state.varyings = regs.stream_out_layout;
}
} // Anonymous namespace
void FixedPipelineState::Refresh(Tegra::Engines::Maxwell3D& maxwell3d, DynamicFeatures& features) {
const Maxwell& regs = maxwell3d.regs;
const auto topology_ = maxwell3d.draw_manager->GetDrawState().topology;
raw1 = 0;
extended_dynamic_state.Assign(features.has_extended_dynamic_state ? 1 : 0);
extended_dynamic_state_2.Assign(features.has_extended_dynamic_state_2 ? 1 : 0);
extended_dynamic_state_2_extra.Assign(features.has_extended_dynamic_state_2_extra ? 1 : 0);
extended_dynamic_state_3_blend.Assign(features.has_extended_dynamic_state_3_blend ? 1 : 0);
extended_dynamic_state_3_enables.Assign(features.has_extended_dynamic_state_3_enables ? 1 : 0);
dynamic_vertex_input.Assign(features.has_dynamic_vertex_input ? 1 : 0);
xfb_enabled.Assign(regs.transform_feedback_enabled != 0);
ndc_minus_one_to_one.Assign(regs.depth_mode == Maxwell::DepthMode::MinusOneToOne ? 1 : 0);
polygon_mode.Assign(PackPolygonMode(regs.polygon_mode_front));
tessellation_primitive.Assign(static_cast<u32>(regs.tessellation.params.domain_type.Value()));
tessellation_spacing.Assign(static_cast<u32>(regs.tessellation.params.spacing.Value()));
tessellation_clockwise.Assign(regs.tessellation.params.output_primitives.Value() ==
Maxwell::Tessellation::OutputPrimitives::Triangles_CW);
patch_control_points_minus_one.Assign(regs.patch_vertices - 1);
topology.Assign(topology_);
msaa_mode.Assign(regs.anti_alias_samples_mode);
raw2 = 0;
const auto test_func =
regs.alpha_test_enabled != 0 ? regs.alpha_test_func : Maxwell::ComparisonOp::Always_GL;
alpha_test_func.Assign(PackComparisonOp(test_func));
early_z.Assign(regs.mandated_early_z != 0 ? 1 : 0);
depth_enabled.Assign(regs.zeta_enable != 0 ? 1 : 0);
depth_format.Assign(static_cast<u32>(regs.zeta.format));
y_negate.Assign(regs.window_origin.mode != Maxwell::WindowOrigin::Mode::UpperLeft ? 1 : 0);
provoking_vertex_last.Assign(regs.provoking_vertex == Maxwell::ProvokingVertex::Last ? 1 : 0);
conservative_raster_enable.Assign(regs.conservative_raster_enable != 0 ? 1 : 0);
smooth_lines.Assign(regs.line_anti_alias_enable != 0 ? 1 : 0);
alpha_to_coverage_enabled.Assign(regs.anti_alias_alpha_control.alpha_to_coverage != 0 ? 1 : 0);
alpha_to_one_enabled.Assign(regs.anti_alias_alpha_control.alpha_to_one != 0 ? 1 : 0);
app_stage.Assign(maxwell3d.engine_state);
for (size_t i = 0; i < regs.rt.size(); ++i) {
color_formats[i] = static_cast<u8>(regs.rt[i].format);
}
alpha_test_ref = Common::BitCast<u32>(regs.alpha_test_ref);
point_size = Common::BitCast<u32>(regs.point_size);
if (maxwell3d.dirty.flags[Dirty::VertexInput]) {
if (features.has_dynamic_vertex_input) {
// Dirty flag will be reset by the command buffer update
static constexpr std::array LUT{
0u, // Invalid
1u, // SignedNorm
1u, // UnsignedNorm
2u, // SignedInt
3u, // UnsignedInt
1u, // UnsignedScaled
1u, // SignedScaled
1u, // Float
};
const auto& attrs = regs.vertex_attrib_format;
attribute_types = 0;
for (size_t i = 0; i < Maxwell::NumVertexAttributes; ++i) {
const u32 mask = attrs[i].constant != 0 ? 0 : 3;
const u32 type = LUT[static_cast<size_t>(attrs[i].type.Value())];
attribute_types |= static_cast<u64>(type & mask) << (i * 2);
}
} else {
maxwell3d.dirty.flags[Dirty::VertexInput] = false;
enabled_divisors = 0;
for (size_t index = 0; index < Maxwell::NumVertexArrays; ++index) {
const bool is_enabled = regs.vertex_stream_instances.IsInstancingEnabled(index);
binding_divisors[index] = is_enabled ? regs.vertex_streams[index].frequency : 0;
enabled_divisors |= (is_enabled ? u64{1} : 0) << index;
}
for (size_t index = 0; index < Maxwell::NumVertexAttributes; ++index) {
const auto& input = regs.vertex_attrib_format[index];
auto& attribute = attributes[index];
attribute.raw = 0;
attribute.enabled.Assign(input.constant ? 0 : 1);
attribute.buffer.Assign(input.buffer);
attribute.offset.Assign(input.offset);
attribute.type.Assign(static_cast<u32>(input.type.Value()));
attribute.size.Assign(static_cast<u32>(input.size.Value()));
}
}
}
if (maxwell3d.dirty.flags[Dirty::ViewportSwizzles]) {
maxwell3d.dirty.flags[Dirty::ViewportSwizzles] = false;
const auto& transform = regs.viewport_transform;
std::ranges::transform(transform, viewport_swizzles.begin(), [](const auto& viewport) {
return static_cast<u16>(viewport.swizzle.raw);
});
}
dynamic_state.raw1 = 0;
dynamic_state.raw2 = 0;
if (!extended_dynamic_state) {
dynamic_state.Refresh(regs);
std::ranges::transform(regs.vertex_streams, vertex_strides.begin(), [](const auto& array) {
return static_cast<u16>(array.stride.Value());
});
}
if (!extended_dynamic_state_2_extra) {
dynamic_state.Refresh2(regs, topology_, extended_dynamic_state_2);
}
if (!extended_dynamic_state_3_blend) {
if (maxwell3d.dirty.flags[Dirty::Blending]) {
maxwell3d.dirty.flags[Dirty::Blending] = false;
for (size_t index = 0; index < attachments.size(); ++index) {
attachments[index].Refresh(regs, index);
}
}
}
if (!extended_dynamic_state_3_enables) {
dynamic_state.Refresh3(regs);
}
if (xfb_enabled) {
RefreshXfbState(xfb_state, regs);
}
}
void FixedPipelineState::BlendingAttachment::Refresh(const Maxwell& regs, size_t index) {
const auto& mask = regs.color_mask[regs.color_mask_common ? 0 : index];
raw = 0;
mask_r.Assign(mask.R);
mask_g.Assign(mask.G);
mask_b.Assign(mask.B);
mask_a.Assign(mask.A);
// TODO: C++20 Use templated lambda to deduplicate code
if (!regs.blend.enable[index]) {
return;
}
const auto setup_blend = [&]<typename T>(const T& src) {
equation_rgb.Assign(PackBlendEquation(src.color_op));
equation_a.Assign(PackBlendEquation(src.alpha_op));
factor_source_rgb.Assign(PackBlendFactor(src.color_source));
factor_dest_rgb.Assign(PackBlendFactor(src.color_dest));
factor_source_a.Assign(PackBlendFactor(src.alpha_source));
factor_dest_a.Assign(PackBlendFactor(src.alpha_dest));
enable.Assign(1);
};
if (!regs.blend_per_target_enabled) {
setup_blend(regs.blend);
return;
}
setup_blend(regs.blend_per_target[index]);
}
void FixedPipelineState::DynamicState::Refresh(const Maxwell& regs) {
u32 packed_front_face = PackFrontFace(regs.gl_front_face);
if (regs.window_origin.flip_y != 0) {
// Flip front face
packed_front_face = 1 - packed_front_face;
}
front.action_stencil_fail.Assign(PackStencilOp(regs.stencil_front_op.fail));
front.action_depth_fail.Assign(PackStencilOp(regs.stencil_front_op.zfail));
front.action_depth_pass.Assign(PackStencilOp(regs.stencil_front_op.zpass));
front.test_func.Assign(PackComparisonOp(regs.stencil_front_op.func));
if (regs.stencil_two_side_enable) {
back.action_stencil_fail.Assign(PackStencilOp(regs.stencil_back_op.fail));
back.action_depth_fail.Assign(PackStencilOp(regs.stencil_back_op.zfail));
back.action_depth_pass.Assign(PackStencilOp(regs.stencil_back_op.zpass));
back.test_func.Assign(PackComparisonOp(regs.stencil_back_op.func));
} else {
back.action_stencil_fail.Assign(front.action_stencil_fail);
back.action_depth_fail.Assign(front.action_depth_fail);
back.action_depth_pass.Assign(front.action_depth_pass);
back.test_func.Assign(front.test_func);
}
stencil_enable.Assign(regs.stencil_enable);
depth_write_enable.Assign(regs.depth_write_enabled);
depth_bounds_enable.Assign(regs.depth_bounds_enable);
depth_test_enable.Assign(regs.depth_test_enable);
front_face.Assign(packed_front_face);
depth_test_func.Assign(PackComparisonOp(regs.depth_test_func));
cull_face.Assign(PackCullFace(regs.gl_cull_face));
cull_enable.Assign(regs.gl_cull_test_enabled != 0 ? 1 : 0);
}
void FixedPipelineState::DynamicState::Refresh2(const Maxwell& regs,
Maxwell::PrimitiveTopology topology_,
bool base_feautures_supported) {
logic_op.Assign(PackLogicOp(regs.logic_op.op));
if (base_feautures_supported) {
return;
}
const std::array enabled_lut{
regs.polygon_offset_point_enable,
regs.polygon_offset_line_enable,
regs.polygon_offset_fill_enable,
};
const u32 topology_index = static_cast<u32>(topology_);
rasterize_enable.Assign(regs.rasterize_enable != 0 ? 1 : 0);
primitive_restart_enable.Assign(regs.primitive_restart.enabled != 0 ? 1 : 0);
depth_bias_enable.Assign(enabled_lut[POLYGON_OFFSET_ENABLE_LUT[topology_index]] != 0 ? 1 : 0);
}
void FixedPipelineState::DynamicState::Refresh3(const Maxwell& regs) {
logic_op_enable.Assign(regs.logic_op.enable != 0 ? 1 : 0);
depth_clamp_disabled.Assign(regs.viewport_clip_control.geometry_clip ==
Maxwell::ViewportClipControl::GeometryClip::Passthrough ||
regs.viewport_clip_control.geometry_clip ==
Maxwell::ViewportClipControl::GeometryClip::FrustumXYZ ||
regs.viewport_clip_control.geometry_clip ==
Maxwell::ViewportClipControl::GeometryClip::FrustumZ);
}
size_t FixedPipelineState::Hash() const noexcept {
const u64 hash = Common::CityHash64(reinterpret_cast<const char*>(this), Size());
return static_cast<size_t>(hash);
}
bool FixedPipelineState::operator==(const FixedPipelineState& rhs) const noexcept {
return std::memcmp(this, &rhs, Size()) == 0;
}
u32 FixedPipelineState::PackComparisonOp(Maxwell::ComparisonOp op) noexcept {
// OpenGL enums go from 0x200 to 0x207 and the others from 1 to 8
// If we subtract 0x200 to OpenGL enums and 1 to the others we get a 0-7 range.
// Perfect for a hash.
const u32 value = static_cast<u32>(op);
return value - (value >= 0x200 ? 0x200 : 1);
}
Maxwell::ComparisonOp FixedPipelineState::UnpackComparisonOp(u32 packed) noexcept {
// Read PackComparisonOp for the logic behind this.
return static_cast<Maxwell::ComparisonOp>(packed + 1);
}
u32 FixedPipelineState::PackStencilOp(Maxwell::StencilOp::Op op) noexcept {
switch (op) {
case Maxwell::StencilOp::Op::Keep_D3D:
case Maxwell::StencilOp::Op::Keep_GL:
return 0;
case Maxwell::StencilOp::Op::Zero_D3D:
case Maxwell::StencilOp::Op::Zero_GL:
return 1;
case Maxwell::StencilOp::Op::Replace_D3D:
case Maxwell::StencilOp::Op::Replace_GL:
return 2;
case Maxwell::StencilOp::Op::IncrSaturate_D3D:
case Maxwell::StencilOp::Op::IncrSaturate_GL:
return 3;
case Maxwell::StencilOp::Op::DecrSaturate_D3D:
case Maxwell::StencilOp::Op::DecrSaturate_GL:
return 4;
case Maxwell::StencilOp::Op::Invert_D3D:
case Maxwell::StencilOp::Op::Invert_GL:
return 5;
case Maxwell::StencilOp::Op::Incr_D3D:
case Maxwell::StencilOp::Op::Incr_GL:
return 6;
case Maxwell::StencilOp::Op::Decr_D3D:
case Maxwell::StencilOp::Op::Decr_GL:
return 7;
}
return 0;
}
Maxwell::StencilOp::Op FixedPipelineState::UnpackStencilOp(u32 packed) noexcept {
static constexpr std::array LUT = {
Maxwell::StencilOp::Op::Keep_D3D, Maxwell::StencilOp::Op::Zero_D3D,
Maxwell::StencilOp::Op::Replace_D3D, Maxwell::StencilOp::Op::IncrSaturate_D3D,
Maxwell::StencilOp::Op::DecrSaturate_D3D, Maxwell::StencilOp::Op::Invert_D3D,
Maxwell::StencilOp::Op::Incr_D3D, Maxwell::StencilOp::Op::Decr_D3D};
return LUT[packed];
}
u32 FixedPipelineState::PackCullFace(Maxwell::CullFace cull) noexcept {
// FrontAndBack is 0x408, by subtracting 0x406 in it we get 2.
// Individual cull faces are in 0x404 and 0x405, subtracting 0x404 we get 0 and 1.
const u32 value = static_cast<u32>(cull);
return value - (value == 0x408 ? 0x406 : 0x404);
}
Maxwell::CullFace FixedPipelineState::UnpackCullFace(u32 packed) noexcept {
static constexpr std::array LUT = {Maxwell::CullFace::Front, Maxwell::CullFace::Back,
Maxwell::CullFace::FrontAndBack};
return LUT[packed];
}
u32 FixedPipelineState::PackFrontFace(Maxwell::FrontFace face) noexcept {
return static_cast<u32>(face) - 0x900;
}
Maxwell::FrontFace FixedPipelineState::UnpackFrontFace(u32 packed) noexcept {
return static_cast<Maxwell::FrontFace>(packed + 0x900);
}
u32 FixedPipelineState::PackPolygonMode(Maxwell::PolygonMode mode) noexcept {
return static_cast<u32>(mode) - 0x1B00;
}
Maxwell::PolygonMode FixedPipelineState::UnpackPolygonMode(u32 packed) noexcept {
return static_cast<Maxwell::PolygonMode>(packed + 0x1B00);
}
u32 FixedPipelineState::PackLogicOp(Maxwell::LogicOp::Op op) noexcept {
return static_cast<u32>(op) - 0x1500;
}
Maxwell::LogicOp::Op FixedPipelineState::UnpackLogicOp(u32 packed) noexcept {
return static_cast<Maxwell::LogicOp::Op>(packed + 0x1500);
}
u32 FixedPipelineState::PackBlendEquation(Maxwell::Blend::Equation equation) noexcept {
switch (equation) {
case Maxwell::Blend::Equation::Add_D3D:
case Maxwell::Blend::Equation::Add_GL:
return 0;
case Maxwell::Blend::Equation::Subtract_D3D:
case Maxwell::Blend::Equation::Subtract_GL:
return 1;
case Maxwell::Blend::Equation::ReverseSubtract_D3D:
case Maxwell::Blend::Equation::ReverseSubtract_GL:
return 2;
case Maxwell::Blend::Equation::Min_D3D:
case Maxwell::Blend::Equation::Min_GL:
return 3;
case Maxwell::Blend::Equation::Max_D3D:
case Maxwell::Blend::Equation::Max_GL:
return 4;
}
return 0;
}
Maxwell::Blend::Equation FixedPipelineState::UnpackBlendEquation(u32 packed) noexcept {
static constexpr std::array LUT = {
Maxwell::Blend::Equation::Add_D3D, Maxwell::Blend::Equation::Subtract_D3D,
Maxwell::Blend::Equation::ReverseSubtract_D3D, Maxwell::Blend::Equation::Min_D3D,
Maxwell::Blend::Equation::Max_D3D};
return LUT[packed];
}
u32 FixedPipelineState::PackBlendFactor(Maxwell::Blend::Factor factor) noexcept {
switch (factor) {
case Maxwell::Blend::Factor::Zero_D3D:
case Maxwell::Blend::Factor::Zero_GL:
return 0;
case Maxwell::Blend::Factor::One_D3D:
case Maxwell::Blend::Factor::One_GL:
return 1;
case Maxwell::Blend::Factor::SourceColor_D3D:
case Maxwell::Blend::Factor::SourceColor_GL:
return 2;
case Maxwell::Blend::Factor::OneMinusSourceColor_D3D:
case Maxwell::Blend::Factor::OneMinusSourceColor_GL:
return 3;
case Maxwell::Blend::Factor::SourceAlpha_D3D:
case Maxwell::Blend::Factor::SourceAlpha_GL:
return 4;
case Maxwell::Blend::Factor::OneMinusSourceAlpha_D3D:
case Maxwell::Blend::Factor::OneMinusSourceAlpha_GL:
return 5;
case Maxwell::Blend::Factor::DestAlpha_D3D:
case Maxwell::Blend::Factor::DestAlpha_GL:
return 6;
case Maxwell::Blend::Factor::OneMinusDestAlpha_D3D:
case Maxwell::Blend::Factor::OneMinusDestAlpha_GL:
return 7;
case Maxwell::Blend::Factor::DestColor_D3D:
case Maxwell::Blend::Factor::DestColor_GL:
return 8;
case Maxwell::Blend::Factor::OneMinusDestColor_D3D:
case Maxwell::Blend::Factor::OneMinusDestColor_GL:
return 9;
case Maxwell::Blend::Factor::SourceAlphaSaturate_D3D:
case Maxwell::Blend::Factor::SourceAlphaSaturate_GL:
return 10;
case Maxwell::Blend::Factor::Source1Color_D3D:
case Maxwell::Blend::Factor::Source1Color_GL:
return 11;
case Maxwell::Blend::Factor::OneMinusSource1Color_D3D:
case Maxwell::Blend::Factor::OneMinusSource1Color_GL:
return 12;
case Maxwell::Blend::Factor::Source1Alpha_D3D:
case Maxwell::Blend::Factor::Source1Alpha_GL:
return 13;
case Maxwell::Blend::Factor::OneMinusSource1Alpha_D3D:
case Maxwell::Blend::Factor::OneMinusSource1Alpha_GL:
return 14;
case Maxwell::Blend::Factor::BlendFactor_D3D:
case Maxwell::Blend::Factor::ConstantColor_GL:
return 15;
case Maxwell::Blend::Factor::OneMinusBlendFactor_D3D:
case Maxwell::Blend::Factor::OneMinusConstantColor_GL:
return 16;
case Maxwell::Blend::Factor::BothSourceAlpha_D3D:
case Maxwell::Blend::Factor::ConstantAlpha_GL:
return 17;
case Maxwell::Blend::Factor::OneMinusBothSourceAlpha_D3D:
case Maxwell::Blend::Factor::OneMinusConstantAlpha_GL:
return 18;
}
UNIMPLEMENTED_MSG("Unknown blend factor {}", static_cast<u32>(factor));
return 0;
}
Maxwell::Blend::Factor FixedPipelineState::UnpackBlendFactor(u32 packed) noexcept {
static constexpr std::array LUT = {
Maxwell::Blend::Factor::Zero_D3D,
Maxwell::Blend::Factor::One_D3D,
Maxwell::Blend::Factor::SourceColor_D3D,
Maxwell::Blend::Factor::OneMinusSourceColor_D3D,
Maxwell::Blend::Factor::SourceAlpha_D3D,
Maxwell::Blend::Factor::OneMinusSourceAlpha_D3D,
Maxwell::Blend::Factor::DestAlpha_D3D,
Maxwell::Blend::Factor::OneMinusDestAlpha_D3D,
Maxwell::Blend::Factor::DestColor_D3D,
Maxwell::Blend::Factor::OneMinusDestColor_D3D,
Maxwell::Blend::Factor::SourceAlphaSaturate_D3D,
Maxwell::Blend::Factor::Source1Color_D3D,
Maxwell::Blend::Factor::OneMinusSource1Color_D3D,
Maxwell::Blend::Factor::Source1Alpha_D3D,
Maxwell::Blend::Factor::OneMinusSource1Alpha_D3D,
Maxwell::Blend::Factor::BlendFactor_D3D,
Maxwell::Blend::Factor::OneMinusBlendFactor_D3D,
Maxwell::Blend::Factor::BothSourceAlpha_D3D,
Maxwell::Blend::Factor::OneMinusBothSourceAlpha_D3D,
};
ASSERT(packed < LUT.size());
return LUT[packed];
}
} // namespace Vulkan
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