// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <type_traits>
#include "common/common_types.h"
#include "core/core.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/gpu.h"
#include "video_core/renderer_vulkan/vk_state_tracker.h"
#define OFF(field_name) MAXWELL3D_REG_INDEX(field_name)
#define NUM(field_name) (sizeof(Maxwell3D::Regs::field_name) / sizeof(u32))
namespace Vulkan {
namespace {
using namespace Dirty;
using namespace VideoCommon::Dirty;
using Tegra::Engines::Maxwell3D;
using Regs = Maxwell3D::Regs;
using Dirty = std::remove_reference_t<decltype(Maxwell3D::dirty)>;
using Tables = std::remove_reference_t<decltype(Maxwell3D::dirty.tables)>;
using Table = std::remove_reference_t<decltype(Maxwell3D::dirty.tables[0])>;
using Flags = std::remove_reference_t<decltype(Maxwell3D::dirty.flags)>;
Flags MakeInvalidationFlags() {
Flags flags{};
flags[Viewports] = true;
flags[Scissors] = true;
flags[DepthBias] = true;
return flags;
}
template <typename Integer>
void FillBlock(Table& table, std::size_t begin, std::size_t num, Integer dirty_index) {
const auto it = std::begin(table) + begin;
std::fill(it, it + num, static_cast<u8>(dirty_index));
}
template <typename Integer1, typename Integer2>
void FillBlock(Tables& tables, std::size_t begin, std::size_t num, Integer1 index_a,
Integer2 index_b) {
FillBlock(tables[0], begin, num, index_a);
FillBlock(tables[1], begin, num, index_b);
}
void SetupDirtyRenderTargets(Tables& tables) {
static constexpr std::size_t num_per_rt = NUM(rt[0]);
static constexpr std::size_t begin = OFF(rt);
static constexpr std::size_t num = num_per_rt * Regs::NumRenderTargets;
for (std::size_t rt = 0; rt < Regs::NumRenderTargets; ++rt) {
FillBlock(tables[0], begin + rt * num_per_rt, num_per_rt, ColorBuffer0 + rt);
}
FillBlock(tables[1], begin, num, RenderTargets);
static constexpr std::array zeta_flags{ZetaBuffer, RenderTargets};
for (std::size_t i = 0; i < std::size(zeta_flags); ++i) {
const u8 flag = zeta_flags[i];
auto& table = tables[i];
table[OFF(zeta_enable)] = flag;
table[OFF(zeta_width)] = flag;
table[OFF(zeta_height)] = flag;
FillBlock(table, OFF(zeta), NUM(zeta), flag);
}
}
void SetupDirtyViewports(Tables& tables) {
FillBlock(tables[0], OFF(viewport_transform), NUM(viewport_transform), Viewports);
FillBlock(tables[0], OFF(viewports), NUM(viewports), Viewports);
tables[0][OFF(viewport_transform_enabled)] = Viewports;
}
void SetupDirtyScissors(Tables& tables) {
FillBlock(tables[0], OFF(scissor_test), NUM(scissor_test), Scissors);
}
void SetupDirtyDepthBias(Tables& tables) {
auto& table = tables[0];
table[OFF(polygon_offset_units)] = DepthBias;
table[OFF(polygon_offset_clamp)] = DepthBias;
table[OFF(polygon_offset_factor)] = DepthBias;
}
} // Anonymous namespace
StateTracker::StateTracker(Core::System& system)
: system{system}, invalidation_flags{MakeInvalidationFlags()} {}
void StateTracker::Initialize() {
auto& dirty = system.GPU().Maxwell3D().dirty;
auto& tables = dirty.tables;
SetupDirtyRenderTargets(tables);
SetupDirtyViewports(tables);
SetupDirtyScissors(tables);
SetupDirtyDepthBias(tables);
auto& store = dirty.on_write_stores;
store[RenderTargets] = true;
store[ZetaBuffer] = true;
for (std::size_t i = 0; i < Regs::NumRenderTargets; ++i) {
store[ColorBuffer0 + i] = true;
}
}
void StateTracker::InvalidateCommandBufferState() {
system.GPU().Maxwell3D().dirty.flags |= invalidation_flags;
}
} // namespace Vulkan