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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <unordered_map>
#include <vector>
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "video_core/gpu.h"
#include "video_core/morton.h"
#include "video_core/texture_cache/copy_params.h"
#include "video_core/texture_cache/surface_params.h"
#include "video_core/texture_cache/surface_view.h"
namespace Tegra {
class MemoryManager;
}
namespace VideoCommon {
using VideoCore::MortonSwizzleMode;
using VideoCore::Surface::SurfaceTarget;
enum class MatchStructureResult : u32 {
FullMatch = 0,
SemiMatch = 1,
None = 2,
};
enum class MatchTopologyResult : u32 {
FullMatch = 0,
CompressUnmatch = 1,
None = 2,
};
class StagingCache {
public:
StagingCache() {}
~StagingCache() = default;
std::vector<u8>& GetBuffer(std::size_t index) {
return staging_buffer[index];
}
void SetSize(std::size_t size) {
staging_buffer.resize(size);
}
private:
std::vector<std::vector<u8>> staging_buffer;
};
class SurfaceBaseImpl {
public:
void LoadBuffer(Tegra::MemoryManager& memory_manager, StagingCache& staging_cache);
void FlushBuffer(Tegra::MemoryManager& memory_manager, StagingCache& staging_cache);
GPUVAddr GetGpuAddr() const {
return gpu_addr;
}
bool Overlaps(const CacheAddr start, const CacheAddr end) const {
return (cache_addr < end) && (cache_addr_end > start);
}
bool IsInside(const GPUVAddr other_start, const GPUVAddr other_end) {
const GPUVAddr gpu_addr_end = gpu_addr + guest_memory_size;
return (gpu_addr <= other_start && other_end <= gpu_addr_end);
}
// Use only when recycling a surface
void SetGpuAddr(const GPUVAddr new_addr) {
gpu_addr = new_addr;
}
VAddr GetCpuAddr() const {
return cpu_addr;
}
void SetCpuAddr(const VAddr new_addr) {
cpu_addr = new_addr;
}
CacheAddr GetCacheAddr() const {
return cache_addr;
}
CacheAddr GetCacheAddrEnd() const {
return cache_addr_end;
}
void SetCacheAddr(const CacheAddr new_addr) {
cache_addr = new_addr;
cache_addr_end = new_addr + guest_memory_size;
}
const SurfaceParams& GetSurfaceParams() const {
return params;
}
std::size_t GetSizeInBytes() const {
return guest_memory_size;
}
std::size_t GetHostSizeInBytes() const {
return host_memory_size;
}
std::size_t GetMipmapSize(const u32 level) const {
return mipmap_sizes[level];
}
void MarkAsContinuous(const bool is_continuous) {
this->is_continuous = is_continuous;
}
bool IsContinuous() const {
return is_continuous;
}
bool IsLinear() const {
return !params.is_tiled;
}
bool MatchFormat(VideoCore::Surface::PixelFormat pixel_format) const {
return params.pixel_format == pixel_format;
}
VideoCore::Surface::PixelFormat GetFormat() const {
return params.pixel_format;
}
bool MatchTarget(VideoCore::Surface::SurfaceTarget target) const {
return params.target == target;
}
MatchTopologyResult MatchesTopology(const SurfaceParams& rhs) const;
MatchStructureResult MatchesStructure(const SurfaceParams& rhs) const;
bool MatchesSubTexture(const SurfaceParams& rhs, const GPUVAddr other_gpu_addr) const {
return std::tie(gpu_addr, params.target, params.num_levels) ==
std::tie(other_gpu_addr, rhs.target, rhs.num_levels) &&
params.target == SurfaceTarget::Texture2D && params.num_levels == 1;
}
std::optional<std::pair<u32, u32>> GetLayerMipmap(const GPUVAddr candidate_gpu_addr) const;
std::vector<CopyParams> BreakDown(const SurfaceParams& in_params) const {
return params.is_layered ? BreakDownLayered(in_params) : BreakDownNonLayered(in_params);
}
protected:
explicit SurfaceBaseImpl(GPUVAddr gpu_addr, const SurfaceParams& params);
~SurfaceBaseImpl() = default;
virtual void DecorateSurfaceName() = 0;
const SurfaceParams params;
std::size_t layer_size;
std::size_t guest_memory_size;
const std::size_t host_memory_size;
GPUVAddr gpu_addr{};
CacheAddr cache_addr{};
CacheAddr cache_addr_end{};
VAddr cpu_addr{};
bool is_continuous{};
std::vector<std::size_t> mipmap_sizes;
std::vector<std::size_t> mipmap_offsets;
private:
void SwizzleFunc(MortonSwizzleMode mode, u8* memory, const SurfaceParams& params, u8* buffer,
u32 level);
std::vector<CopyParams> BreakDownLayered(const SurfaceParams& in_params) const;
std::vector<CopyParams> BreakDownNonLayered(const SurfaceParams& in_params) const;
};
template <typename TView>
class SurfaceBase : public SurfaceBaseImpl {
public:
virtual void UploadTexture(std::vector<u8>& staging_buffer) = 0;
virtual void DownloadTexture(std::vector<u8>& staging_buffer) = 0;
void MarkAsModified(const bool is_modified_, const u64 tick) {
is_modified = is_modified_ || is_target;
modification_tick = tick;
}
void MarkAsRenderTarget(const bool is_target) {
this->is_target = is_target;
}
void MarkAsPicked(const bool is_picked) {
this->is_picked = is_picked;
}
bool IsModified() const {
return is_modified;
}
bool IsProtected() const {
// Only 3D Slices are to be protected
return is_target && params.block_depth > 0;
}
bool IsRenderTarget() const {
return is_target;
}
bool IsRegistered() const {
return is_registered;
}
bool IsPicked() const {
return is_picked;
}
void MarkAsRegistered(bool is_reg) {
is_registered = is_reg;
}
u64 GetModificationTick() const {
return modification_tick;
}
TView EmplaceOverview(const SurfaceParams& overview_params) {
const u32 num_layers{(params.is_layered && !overview_params.is_layered) ? 1 : params.depth};
return GetView(ViewParams(overview_params.target, 0, num_layers, 0, params.num_levels));
}
std::optional<TView> EmplaceIrregularView(const SurfaceParams& view_params,
const GPUVAddr view_addr,
const std::size_t candidate_size, const u32 mipmap,
const u32 layer) {
const auto layer_mipmap{GetLayerMipmap(view_addr + candidate_size)};
if (!layer_mipmap) {
return {};
}
const u32 end_layer{layer_mipmap->first};
const u32 end_mipmap{layer_mipmap->second};
if (layer != end_layer) {
if (mipmap == 0 && end_mipmap == 0) {
return GetView(ViewParams(view_params.target, layer, end_layer - layer + 1, 0, 1));
}
return {};
} else {
return GetView(
ViewParams(view_params.target, layer, 1, mipmap, end_mipmap - mipmap + 1));
}
}
std::optional<TView> EmplaceView(const SurfaceParams& view_params, const GPUVAddr view_addr,
const std::size_t candidate_size) {
if (params.target == SurfaceTarget::Texture3D ||
(params.num_levels == 1 && !params.is_layered) ||
view_params.target == SurfaceTarget::Texture3D) {
return {};
}
const auto layer_mipmap{GetLayerMipmap(view_addr)};
if (!layer_mipmap) {
return {};
}
const u32 layer{layer_mipmap->first};
const u32 mipmap{layer_mipmap->second};
if (GetMipmapSize(mipmap) != candidate_size) {
return EmplaceIrregularView(view_params, view_addr, candidate_size, mipmap, layer);
}
return GetView(ViewParams(view_params.target, layer, 1, mipmap, 1));
}
TView GetMainView() const {
return main_view;
}
protected:
explicit SurfaceBase(const GPUVAddr gpu_addr, const SurfaceParams& params)
: SurfaceBaseImpl(gpu_addr, params) {}
~SurfaceBase() = default;
virtual TView CreateView(const ViewParams& view_key) = 0;
std::unordered_map<ViewParams, TView> views;
TView main_view;
private:
TView GetView(const ViewParams& key) {
const auto [entry, is_cache_miss] = views.try_emplace(key);
auto& view{entry->second};
if (is_cache_miss) {
view = CreateView(key);
}
return view;
}
bool is_modified{};
bool is_target{};
bool is_registered{};
bool is_picked{};
u64 modification_tick{};
};
} // namespace VideoCommon
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