5b5e60ffec
This commit uses guest fences on vSync event instead of an articial fake fence we had. It also corrects to keep signaling display events while loading the game as the OS is suppose to send buffers to vSync during that time.
388 lines
13 KiB
C++
388 lines
13 KiB
C++
// Copyright 2018 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 "common/assert.h"
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#include "common/microprofile.h"
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#include "core/core.h"
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#include "core/core_timing.h"
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#include "core/memory.h"
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#include "video_core/engines/fermi_2d.h"
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#include "video_core/engines/kepler_compute.h"
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#include "video_core/engines/kepler_memory.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/engines/maxwell_dma.h"
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#include "video_core/gpu.h"
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#include "video_core/memory_manager.h"
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#include "video_core/renderer_base.h"
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namespace Tegra {
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MICROPROFILE_DEFINE(GPU_wait, "GPU", "Wait for the GPU", MP_RGB(128, 128, 192));
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GPU::GPU(Core::System& system, VideoCore::RendererBase& renderer, bool is_async)
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: system{system}, renderer{renderer}, is_async{is_async} {
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auto& rasterizer{renderer.Rasterizer()};
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memory_manager = std::make_unique<Tegra::MemoryManager>(system, rasterizer);
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dma_pusher = std::make_unique<Tegra::DmaPusher>(*this);
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maxwell_3d = std::make_unique<Engines::Maxwell3D>(system, rasterizer, *memory_manager);
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fermi_2d = std::make_unique<Engines::Fermi2D>(rasterizer);
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kepler_compute = std::make_unique<Engines::KeplerCompute>(system, rasterizer, *memory_manager);
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maxwell_dma = std::make_unique<Engines::MaxwellDMA>(system, *memory_manager);
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kepler_memory = std::make_unique<Engines::KeplerMemory>(system, *memory_manager);
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}
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GPU::~GPU() = default;
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Engines::Maxwell3D& GPU::Maxwell3D() {
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return *maxwell_3d;
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}
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const Engines::Maxwell3D& GPU::Maxwell3D() const {
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return *maxwell_3d;
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}
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Engines::KeplerCompute& GPU::KeplerCompute() {
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return *kepler_compute;
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}
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const Engines::KeplerCompute& GPU::KeplerCompute() const {
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return *kepler_compute;
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}
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MemoryManager& GPU::MemoryManager() {
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return *memory_manager;
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}
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const MemoryManager& GPU::MemoryManager() const {
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return *memory_manager;
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}
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DmaPusher& GPU::DmaPusher() {
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return *dma_pusher;
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}
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const DmaPusher& GPU::DmaPusher() const {
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return *dma_pusher;
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}
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void GPU::WaitFence(u32 syncpoint_id, u32 value) const {
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// Synced GPU, is always in sync
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if (!is_async) {
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return;
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}
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MICROPROFILE_SCOPE(GPU_wait);
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while (syncpoints[syncpoint_id].load() < value) {
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}
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}
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void GPU::IncrementSyncPoint(const u32 syncpoint_id) {
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syncpoints[syncpoint_id]++;
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std::lock_guard lock{sync_mutex};
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if (!syncpt_interrupts[syncpoint_id].empty()) {
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u32 value = syncpoints[syncpoint_id].load();
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auto it = syncpt_interrupts[syncpoint_id].begin();
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while (it != syncpt_interrupts[syncpoint_id].end()) {
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if (value >= *it) {
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TriggerCpuInterrupt(syncpoint_id, *it);
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it = syncpt_interrupts[syncpoint_id].erase(it);
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continue;
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}
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it++;
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}
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}
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}
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u32 GPU::GetSyncpointValue(const u32 syncpoint_id) const {
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return syncpoints[syncpoint_id].load();
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}
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void GPU::RegisterSyncptInterrupt(const u32 syncpoint_id, const u32 value) {
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auto& interrupt = syncpt_interrupts[syncpoint_id];
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bool contains = std::any_of(interrupt.begin(), interrupt.end(),
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[value](u32 in_value) { return in_value == value; });
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if (contains) {
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return;
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}
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syncpt_interrupts[syncpoint_id].emplace_back(value);
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}
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bool GPU::CancelSyncptInterrupt(const u32 syncpoint_id, const u32 value) {
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std::lock_guard lock{sync_mutex};
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auto& interrupt = syncpt_interrupts[syncpoint_id];
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const auto iter =
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std::find_if(interrupt.begin(), interrupt.end(),
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[value](u32 interrupt_value) { return value == interrupt_value; });
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if (iter == interrupt.end()) {
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return false;
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}
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interrupt.erase(iter);
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return true;
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}
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void GPU::FlushCommands() {
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renderer.Rasterizer().FlushCommands();
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}
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u32 RenderTargetBytesPerPixel(RenderTargetFormat format) {
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ASSERT(format != RenderTargetFormat::NONE);
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switch (format) {
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case RenderTargetFormat::RGBA32_FLOAT:
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case RenderTargetFormat::RGBA32_UINT:
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return 16;
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case RenderTargetFormat::RGBA16_UINT:
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case RenderTargetFormat::RGBA16_UNORM:
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case RenderTargetFormat::RGBA16_FLOAT:
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case RenderTargetFormat::RGBX16_FLOAT:
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case RenderTargetFormat::RG32_FLOAT:
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case RenderTargetFormat::RG32_UINT:
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return 8;
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case RenderTargetFormat::RGBA8_UNORM:
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case RenderTargetFormat::RGBA8_SNORM:
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case RenderTargetFormat::RGBA8_SRGB:
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case RenderTargetFormat::RGBA8_UINT:
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case RenderTargetFormat::RGB10_A2_UNORM:
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case RenderTargetFormat::BGRA8_UNORM:
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case RenderTargetFormat::BGRA8_SRGB:
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case RenderTargetFormat::RG16_UNORM:
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case RenderTargetFormat::RG16_SNORM:
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case RenderTargetFormat::RG16_UINT:
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case RenderTargetFormat::RG16_SINT:
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case RenderTargetFormat::RG16_FLOAT:
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case RenderTargetFormat::R32_FLOAT:
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case RenderTargetFormat::R11G11B10_FLOAT:
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case RenderTargetFormat::R32_UINT:
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return 4;
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case RenderTargetFormat::R16_UNORM:
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case RenderTargetFormat::R16_SNORM:
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case RenderTargetFormat::R16_UINT:
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case RenderTargetFormat::R16_SINT:
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case RenderTargetFormat::R16_FLOAT:
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case RenderTargetFormat::RG8_UNORM:
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case RenderTargetFormat::RG8_SNORM:
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return 2;
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case RenderTargetFormat::R8_UNORM:
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case RenderTargetFormat::R8_UINT:
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return 1;
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default:
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UNIMPLEMENTED_MSG("Unimplemented render target format {}", static_cast<u32>(format));
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return 1;
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}
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}
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u32 DepthFormatBytesPerPixel(DepthFormat format) {
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switch (format) {
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case DepthFormat::Z32_S8_X24_FLOAT:
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return 8;
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case DepthFormat::Z32_FLOAT:
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case DepthFormat::S8_Z24_UNORM:
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case DepthFormat::Z24_X8_UNORM:
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case DepthFormat::Z24_S8_UNORM:
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case DepthFormat::Z24_C8_UNORM:
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return 4;
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case DepthFormat::Z16_UNORM:
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return 2;
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default:
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UNIMPLEMENTED_MSG("Unimplemented Depth format {}", static_cast<u32>(format));
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return 1;
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}
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}
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// Note that, traditionally, methods are treated as 4-byte addressable locations, and hence
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// their numbers are written down multiplied by 4 in Docs. Here we are not multiply by 4.
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// So the values you see in docs might be multiplied by 4.
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enum class BufferMethods {
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BindObject = 0x0,
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Nop = 0x2,
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SemaphoreAddressHigh = 0x4,
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SemaphoreAddressLow = 0x5,
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SemaphoreSequence = 0x6,
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SemaphoreTrigger = 0x7,
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NotifyIntr = 0x8,
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WrcacheFlush = 0x9,
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Unk28 = 0xA,
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UnkCacheFlush = 0xB,
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RefCnt = 0x14,
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SemaphoreAcquire = 0x1A,
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SemaphoreRelease = 0x1B,
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FenceValue = 0x1C,
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FenceAction = 0x1D,
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Unk78 = 0x1E,
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Unk7c = 0x1F,
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Yield = 0x20,
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NonPullerMethods = 0x40,
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};
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enum class GpuSemaphoreOperation {
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AcquireEqual = 0x1,
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WriteLong = 0x2,
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AcquireGequal = 0x4,
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AcquireMask = 0x8,
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};
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void GPU::CallMethod(const MethodCall& method_call) {
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LOG_TRACE(HW_GPU, "Processing method {:08X} on subchannel {}", method_call.method,
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method_call.subchannel);
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ASSERT(method_call.subchannel < bound_engines.size());
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if (ExecuteMethodOnEngine(method_call)) {
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CallEngineMethod(method_call);
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} else {
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CallPullerMethod(method_call);
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}
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}
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bool GPU::ExecuteMethodOnEngine(const MethodCall& method_call) {
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const auto method = static_cast<BufferMethods>(method_call.method);
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return method >= BufferMethods::NonPullerMethods;
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}
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void GPU::CallPullerMethod(const MethodCall& method_call) {
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regs.reg_array[method_call.method] = method_call.argument;
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const auto method = static_cast<BufferMethods>(method_call.method);
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switch (method) {
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case BufferMethods::BindObject: {
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ProcessBindMethod(method_call);
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break;
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}
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case BufferMethods::Nop:
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case BufferMethods::SemaphoreAddressHigh:
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case BufferMethods::SemaphoreAddressLow:
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case BufferMethods::SemaphoreSequence:
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case BufferMethods::RefCnt:
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case BufferMethods::UnkCacheFlush:
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case BufferMethods::WrcacheFlush:
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case BufferMethods::FenceValue:
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case BufferMethods::FenceAction:
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break;
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case BufferMethods::SemaphoreTrigger: {
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ProcessSemaphoreTriggerMethod();
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break;
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}
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case BufferMethods::NotifyIntr: {
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// TODO(Kmather73): Research and implement this method.
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LOG_ERROR(HW_GPU, "Special puller engine method NotifyIntr not implemented");
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break;
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}
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case BufferMethods::Unk28: {
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// TODO(Kmather73): Research and implement this method.
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LOG_ERROR(HW_GPU, "Special puller engine method Unk28 not implemented");
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break;
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}
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case BufferMethods::SemaphoreAcquire: {
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ProcessSemaphoreAcquire();
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break;
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}
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case BufferMethods::SemaphoreRelease: {
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ProcessSemaphoreRelease();
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break;
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}
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case BufferMethods::Yield: {
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// TODO(Kmather73): Research and implement this method.
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LOG_ERROR(HW_GPU, "Special puller engine method Yield not implemented");
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break;
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}
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default:
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LOG_ERROR(HW_GPU, "Special puller engine method {:X} not implemented",
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static_cast<u32>(method));
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break;
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}
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}
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void GPU::CallEngineMethod(const MethodCall& method_call) {
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const EngineID engine = bound_engines[method_call.subchannel];
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switch (engine) {
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case EngineID::FERMI_TWOD_A:
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fermi_2d->CallMethod(method_call);
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break;
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case EngineID::MAXWELL_B:
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maxwell_3d->CallMethod(method_call);
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break;
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case EngineID::KEPLER_COMPUTE_B:
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kepler_compute->CallMethod(method_call);
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break;
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case EngineID::MAXWELL_DMA_COPY_A:
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maxwell_dma->CallMethod(method_call);
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break;
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case EngineID::KEPLER_INLINE_TO_MEMORY_B:
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kepler_memory->CallMethod(method_call);
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break;
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default:
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UNIMPLEMENTED_MSG("Unimplemented engine");
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}
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}
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void GPU::ProcessBindMethod(const MethodCall& method_call) {
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// Bind the current subchannel to the desired engine id.
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LOG_DEBUG(HW_GPU, "Binding subchannel {} to engine {}", method_call.subchannel,
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method_call.argument);
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bound_engines[method_call.subchannel] = static_cast<EngineID>(method_call.argument);
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}
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void GPU::ProcessSemaphoreTriggerMethod() {
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const auto semaphoreOperationMask = 0xF;
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const auto op =
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static_cast<GpuSemaphoreOperation>(regs.semaphore_trigger & semaphoreOperationMask);
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if (op == GpuSemaphoreOperation::WriteLong) {
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struct Block {
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u32 sequence;
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u32 zeros = 0;
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u64 timestamp;
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};
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Block block{};
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block.sequence = regs.semaphore_sequence;
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// TODO(Kmather73): Generate a real GPU timestamp and write it here instead of
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// CoreTiming
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block.timestamp = Core::System::GetInstance().CoreTiming().GetTicks();
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memory_manager->WriteBlock(regs.semaphore_address.SemaphoreAddress(), &block,
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sizeof(block));
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} else {
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const u32 word{memory_manager->Read<u32>(regs.semaphore_address.SemaphoreAddress())};
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if ((op == GpuSemaphoreOperation::AcquireEqual && word == regs.semaphore_sequence) ||
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(op == GpuSemaphoreOperation::AcquireGequal &&
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static_cast<s32>(word - regs.semaphore_sequence) > 0) ||
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(op == GpuSemaphoreOperation::AcquireMask && (word & regs.semaphore_sequence))) {
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// Nothing to do in this case
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} else {
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regs.acquire_source = true;
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regs.acquire_value = regs.semaphore_sequence;
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if (op == GpuSemaphoreOperation::AcquireEqual) {
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regs.acquire_active = true;
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regs.acquire_mode = false;
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} else if (op == GpuSemaphoreOperation::AcquireGequal) {
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regs.acquire_active = true;
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regs.acquire_mode = true;
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} else if (op == GpuSemaphoreOperation::AcquireMask) {
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// TODO(kemathe) The acquire mask operation waits for a value that, ANDed with
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// semaphore_sequence, gives a non-0 result
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LOG_ERROR(HW_GPU, "Invalid semaphore operation AcquireMask not implemented");
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} else {
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LOG_ERROR(HW_GPU, "Invalid semaphore operation");
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}
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}
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}
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}
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void GPU::ProcessSemaphoreRelease() {
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memory_manager->Write<u32>(regs.semaphore_address.SemaphoreAddress(), regs.semaphore_release);
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}
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void GPU::ProcessSemaphoreAcquire() {
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const u32 word = memory_manager->Read<u32>(regs.semaphore_address.SemaphoreAddress());
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const auto value = regs.semaphore_acquire;
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if (word != value) {
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regs.acquire_active = true;
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regs.acquire_value = value;
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// TODO(kemathe73) figure out how to do the acquire_timeout
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regs.acquire_mode = false;
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regs.acquire_source = false;
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}
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}
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} // namespace Tegra
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