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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <cstddef>
#include <limits>
#include "common/common_types.h"
#include "video_core/dirty_flags.h"
#include "video_core/engines/maxwell_3d.h"
namespace Tegra {
namespace Control {
struct ChannelState;
}
} // namespace Tegra
namespace Vulkan {
namespace Dirty {
enum : u8 {
First = VideoCommon::Dirty::LastCommonEntry,
VertexInput,
VertexAttribute0,
VertexAttribute31 = VertexAttribute0 + 31,
VertexBinding0,
VertexBinding31 = VertexBinding0 + 31,
Viewports,
Scissors,
DepthBias,
BlendConstants,
DepthBounds,
StencilProperties,
LineWidth,
CullMode,
DepthBoundsEnable,
DepthTestEnable,
DepthWriteEnable,
DepthCompareOp,
FrontFace,
StencilOp,
StencilTestEnable,
Blending,
ViewportSwizzles,
Last,
};
static_assert(Last <= std::numeric_limits<u8>::max());
} // namespace Dirty
class StateTracker {
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
public:
explicit StateTracker();
void InvalidateCommandBufferState() {
(*flags) |= invalidation_flags;
current_topology = INVALID_TOPOLOGY;
}
void InvalidateViewports() {
(*flags)[Dirty::Viewports] = true;
}
void InvalidateScissors() {
(*flags)[Dirty::Scissors] = true;
}
bool TouchViewports() {
const bool dirty_viewports = Exchange(Dirty::Viewports, false);
const bool rescale_viewports = Exchange(VideoCommon::Dirty::RescaleViewports, false);
return dirty_viewports || rescale_viewports;
}
bool TouchScissors() {
const bool dirty_scissors = Exchange(Dirty::Scissors, false);
const bool rescale_scissors = Exchange(VideoCommon::Dirty::RescaleScissors, false);
return dirty_scissors || rescale_scissors;
}
bool TouchDepthBias() {
return Exchange(Dirty::DepthBias, false) ||
Exchange(VideoCommon::Dirty::DepthBiasGlobal, false);
}
bool TouchBlendConstants() {
return Exchange(Dirty::BlendConstants, false);
}
bool TouchDepthBounds() {
return Exchange(Dirty::DepthBounds, false);
}
bool TouchStencilProperties() {
return Exchange(Dirty::StencilProperties, false);
}
bool TouchLineWidth() const {
return Exchange(Dirty::LineWidth, false);
}
bool TouchCullMode() {
return Exchange(Dirty::CullMode, false);
}
bool TouchDepthBoundsTestEnable() {
return Exchange(Dirty::DepthBoundsEnable, false);
}
bool TouchDepthTestEnable() {
return Exchange(Dirty::DepthTestEnable, false);
}
bool TouchDepthWriteEnable() {
return Exchange(Dirty::DepthWriteEnable, false);
}
bool TouchDepthCompareOp() {
return Exchange(Dirty::DepthCompareOp, false);
}
bool TouchFrontFace() {
return Exchange(Dirty::FrontFace, false);
}
bool TouchStencilOp() {
return Exchange(Dirty::StencilOp, false);
}
bool TouchStencilTestEnable() {
return Exchange(Dirty::StencilTestEnable, false);
}
bool ChangePrimitiveTopology(Maxwell::PrimitiveTopology new_topology) {
const bool has_changed = current_topology != new_topology;
current_topology = new_topology;
return has_changed;
}
void SetupTables(Tegra::Control::ChannelState& channel_state);
void ChangeChannel(Tegra::Control::ChannelState& channel_state);
void InvalidateState();
private:
static constexpr auto INVALID_TOPOLOGY = static_cast<Maxwell::PrimitiveTopology>(~0u);
bool Exchange(std::size_t id, bool new_value) const noexcept {
const bool is_dirty = (*flags)[id];
(*flags)[id] = new_value;
return is_dirty;
}
Tegra::Engines::Maxwell3D::DirtyState::Flags* flags;
Tegra::Engines::Maxwell3D::DirtyState::Flags invalidation_flags;
Maxwell::PrimitiveTopology current_topology = INVALID_TOPOLOGY;
};
} // namespace Vulkan
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