renderer_opengl: Reintroduce dirty flags for render targets
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9e74e6988b
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dacf83ac02
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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 <algorithm>
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#include <array>
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#include <cstddef>
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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_opengl/gl_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 OpenGL {
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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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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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} // Anonymous namespace
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StateTracker::StateTracker(Core::System& system) : system{system} {}
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void StateTracker::Initialize() {
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auto& dirty = system.GPU().Maxwell3D().dirty;
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std::size_t entry_index = 0;
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const auto AddEntry = [&dirty, &entry_index](std::size_t dirty_register) {
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dirty.on_write_stores[entry_index++] = static_cast<u8>(dirty_register);
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};
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AddEntry(RenderTargets);
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for (std::size_t i = 0; i < Regs::NumRenderTargets; ++i) {
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AddEntry(ColorBuffer0 + i);
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}
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AddEntry(ZetaBuffer);
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auto& tables = dirty.tables;
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SetupDirtyRenderTargets(tables);
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}
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} // namespace OpenGL
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@ -0,0 +1,56 @@
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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 "common/common_types.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 Core {
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class System;
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}
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namespace OpenGL {
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namespace Dirty {
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enum : u8 {
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First = VideoCommon::Dirty::LastCommonEntry,
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VertexFormats,
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VertexBuffers,
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VertexInstances,
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Shaders,
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Viewports,
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CullTestEnable,
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FrontFace,
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CullFace,
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PrimitiveRestart,
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DepthTest,
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StencilTest,
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ColorMask,
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BlendState,
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PolygonOffset,
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VertexBuffer0 = PolygonOffset + 8,
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VertexInstance0 = VertexBuffer0 + 32,
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};
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}
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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 NotifyFramebuffer() {
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auto& flags = system.GPU().Maxwell3D().dirty.flags;
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flags[VideoCommon::Dirty::RenderTargets] = true;
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}
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private:
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Core::System& system;
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};
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} // namespace OpenGL
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