aae8c180cb
Instead of waiting immediately for executed commands, defer the query until the guest CPU reads it. This way we get closer to what the guest program is doing. To archive this we have to build a dependency queue, because host APIs (like OpenGL and Vulkan) use ranged queries instead of counters like NVN. Waiting for queries implicitly uses fences and this requires a command being queued, otherwise the driver will lock waiting until a timeout. To fix this when there are no commands queued, we explicitly call glFlush.
107 lines
3.6 KiB
C++
107 lines
3.6 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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#pragma once
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#include <atomic>
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#include <functional>
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#include "common/common_types.h"
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#include "video_core/engines/fermi_2d.h"
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#include "video_core/gpu.h"
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#include "video_core/guest_driver.h"
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namespace Tegra {
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class MemoryManager;
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}
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namespace VideoCore {
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enum class QueryType {
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SamplesPassed,
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};
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constexpr std::size_t NumQueryTypes = 1;
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enum class LoadCallbackStage {
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Prepare,
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Decompile,
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Build,
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Complete,
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};
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using DiskResourceLoadCallback = std::function<void(LoadCallbackStage, std::size_t, std::size_t)>;
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class RasterizerInterface {
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public:
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virtual ~RasterizerInterface() {}
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/// Draw the current batch of vertex arrays
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virtual bool DrawBatch(bool is_indexed) = 0;
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/// Draw the current batch of multiple instances of vertex arrays
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virtual bool DrawMultiBatch(bool is_indexed) = 0;
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/// Clear the current framebuffer
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virtual void Clear() = 0;
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/// Dispatches a compute shader invocation
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virtual void DispatchCompute(GPUVAddr code_addr) = 0;
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/// Resets the counter of a query
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virtual void ResetCounter(QueryType type) = 0;
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/// Records a GPU query and caches it
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virtual void Query(GPUVAddr gpu_addr, QueryType type) = 0;
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/// Notify rasterizer that all caches should be flushed to Switch memory
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virtual void FlushAll() = 0;
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/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
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virtual void FlushRegion(CacheAddr addr, u64 size) = 0;
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/// Notify rasterizer that any caches of the specified region should be invalidated
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virtual void InvalidateRegion(CacheAddr addr, u64 size) = 0;
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/// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
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/// and invalidated
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virtual void FlushAndInvalidateRegion(CacheAddr addr, u64 size) = 0;
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/// Notify the rasterizer to send all written commands to the host GPU.
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virtual void FlushCommands() = 0;
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/// Notify rasterizer that a frame is about to finish
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virtual void TickFrame() = 0;
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/// Attempt to use a faster method to perform a surface copy
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virtual bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
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const Tegra::Engines::Fermi2D::Regs::Surface& dst,
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const Tegra::Engines::Fermi2D::Config& copy_config) {
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return false;
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}
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/// Attempt to use a faster method to display the framebuffer to screen
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virtual bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
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u32 pixel_stride) {
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return false;
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}
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/// Increase/decrease the number of object in pages touching the specified region
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virtual void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {}
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/// Initialize disk cached resources for the game being emulated
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virtual void LoadDiskResources(const std::atomic_bool& stop_loading = false,
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const DiskResourceLoadCallback& callback = {}) {}
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/// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
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GuestDriverProfile& AccessGuestDriverProfile() {
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return guest_driver_profile;
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}
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/// Grant access to the Guest Driver Profile for recording/obtaining info on the guest driver.
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const GuestDriverProfile& AccessGuestDriverProfile() const {
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return guest_driver_profile;
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}
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private:
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GuestDriverProfile guest_driver_profile{};
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};
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} // namespace VideoCore
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