vk_state_tracker: Initial implementation
Add support for render targets and viewports.master
ReinUsesLisp
parent
b1498d2c54
commit
1bd95a314f
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// Copyright 2020 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 <type_traits>
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/gpu.h"
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#include "video_core/renderer_vulkan/vk_state_tracker.h"
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#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
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#define NUM(field_name) (sizeof(Maxwell3D::Regs::field_name) / sizeof(u32))
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namespace Vulkan {
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namespace {
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using namespace Dirty;
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using namespace VideoCommon::Dirty;
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using Tegra::Engines::Maxwell3D;
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using Regs = Maxwell3D::Regs;
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using Dirty = std::remove_reference_t<decltype(Maxwell3D::dirty)>;
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using Tables = std::remove_reference_t<decltype(Maxwell3D::dirty.tables)>;
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using Table = std::remove_reference_t<decltype(Maxwell3D::dirty.tables[0])>;
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using Flags = std::remove_reference_t<decltype(Maxwell3D::dirty.flags)>;
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Flags MakeInvalidationFlags() {
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Flags flags{};
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flags[Viewports] = true;
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return flags;
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}
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template <typename Integer>
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void FillBlock(Table& table, std::size_t begin, std::size_t num, Integer dirty_index) {
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const auto it = std::begin(table) + begin;
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std::fill(it, it + num, static_cast<u8>(dirty_index));
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}
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template <typename Integer1, typename Integer2>
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void FillBlock(Tables& tables, std::size_t begin, std::size_t num, Integer1 index_a,
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Integer2 index_b) {
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FillBlock(tables[0], begin, num, index_a);
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FillBlock(tables[1], begin, num, index_b);
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}
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void SetupDirtyRenderTargets(Tables& tables) {
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static constexpr std::size_t num_per_rt = NUM(rt[0]);
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static constexpr std::size_t begin = OFF(rt);
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static constexpr std::size_t num = num_per_rt * Regs::NumRenderTargets;
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for (std::size_t rt = 0; rt < Regs::NumRenderTargets; ++rt) {
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FillBlock(tables[0], begin + rt * num_per_rt, num_per_rt, ColorBuffer0 + rt);
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}
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FillBlock(tables[1], begin, num, RenderTargets);
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static constexpr std::array zeta_flags{ZetaBuffer, RenderTargets};
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for (std::size_t i = 0; i < std::size(zeta_flags); ++i) {
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const u8 flag = zeta_flags[i];
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auto& table = tables[i];
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table[OFF(zeta_enable)] = flag;
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table[OFF(zeta_width)] = flag;
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table[OFF(zeta_height)] = flag;
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FillBlock(table, OFF(zeta), NUM(zeta), flag);
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}
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}
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void SetupDirtyViewports(Tables& tables) {
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FillBlock(tables[0], OFF(viewport_transform), NUM(viewport_transform), Viewports);
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FillBlock(tables[0], OFF(viewports), NUM(viewports), Viewports);
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tables[0][OFF(viewport_transform_enabled)] = Viewports;
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}
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} // Anonymous namespace
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StateTracker::StateTracker(Core::System& system)
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: system{system}, invalidation_flags{MakeInvalidationFlags()} {}
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void StateTracker::Initialize() {
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auto& dirty = system.GPU().Maxwell3D().dirty;
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auto& tables = dirty.tables;
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SetupDirtyRenderTargets(tables);
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SetupDirtyViewports(tables);
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auto& store = dirty.on_write_stores;
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store[RenderTargets] = true;
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store[ZetaBuffer] = true;
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for (std::size_t i = 0; i < Regs::NumRenderTargets; ++i) {
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store[ColorBuffer0 + i] = true;
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}
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}
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void StateTracker::InvalidateCommandBufferState() {
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system.GPU().Maxwell3D().dirty.flags |= invalidation_flags;
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}
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} // namespace Vulkan
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@ -0,0 +1,53 @@
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// Copyright 2020 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 <type_traits> // REMOVE ME
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#include <utility>
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#include "common/common_types.h"
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#include "core/core.h"
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#include "video_core/dirty_flags.h"
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#include "video_core/engines/maxwell_3d.h"
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namespace Vulkan {
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namespace Dirty {
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enum : u8 {
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First = VideoCommon::Dirty::LastCommonEntry,
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Viewports,
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};
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} // namespace Dirty
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class StateTracker {
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public:
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explicit StateTracker(Core::System& system);
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void Initialize();
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void InvalidateCommandBufferState();
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bool TouchViewports() {
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return Exchange(Dirty::Viewports, false);
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}
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private:
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using Flags = std::remove_reference_t<decltype(Tegra::Engines::Maxwell3D::dirty.flags)>;
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bool Exchange(std::size_t id, bool new_value) const noexcept {
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auto& flags = system.GPU().Maxwell3D().dirty.flags;
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const bool is_dirty = flags[id];
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flags[id] = new_value;
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return is_dirty;
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}
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Core::System& system;
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Flags invalidation_flags;
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};
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} // namespace Vulkan
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