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Texture Cache: Initial Implementation of Sparse Textures.

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This commit is contained in:
Fernando Sahmkow 2021-06-12 15:52:27 +02:00
parent eb0e10cff2
commit 38165fb7e3
12 changed files with 310 additions and 23 deletions
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41
src/video_core/texture_cache/util.cpp
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@ -664,6 +664,16 @@ LevelArray CalculateMipLevelOffsets(const ImageInfo& info) noexcept {
return offsets;
}
LevelArray CalculateMipLevelSizes(const ImageInfo& info) noexcept {
const u32 num_levels = info.resources.levels;
const LevelInfo level_info = MakeLevelInfo(info);
LevelArray sizes{};
for (u32 level = 0; level < num_levels; ++level) {
sizes[level] = CalculateLevelSize(level_info, level);
}
return sizes;
}
std::vector<u32> CalculateSliceOffsets(const ImageInfo& info) {
ASSERT(info.type == ImageType::e3D);
std::vector<u32> offsets;
@ -776,14 +786,37 @@ std::vector<ImageCopy> MakeShrinkImageCopies(const ImageInfo& dst, const ImageIn
return copies;
}
bool IsValidAddress(const Tegra::MemoryManager& gpu_memory, const TICEntry& config) {
if (config.Address() == 0) {
bool IsValidAddress(const Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr) {
if (gpu_addr == 0) {
return false;
}
if (config.Address() > (u64(1) << 48)) {
if (gpu_addr > (u64(1) << 48)) {
return false;
}
return gpu_memory.GpuToCpuAddress(config.Address()).has_value();
const auto cpu_addr = gpu_memory.GpuToCpuAddress(gpu_addr);
return cpu_addr.has_value() && *cpu_addr != 0;
}
bool IsValidEntry(const Tegra::MemoryManager& gpu_memory, const TICEntry& config) {
const GPUVAddr gpu_addr = config.Address();
if (IsValidAddress(gpu_memory, gpu_addr)) {
return true;
}
if (!config.IsBlockLinear()) {
return false;
}
const size_t levels = config.max_mip_level + 1;
if (levels <= 1) {
return false;
}
const ImageInfo info{config};
const LevelArray offsets = CalculateMipLevelOffsets(info);
for (size_t level = 1; level < levels; level++) {
if (IsValidAddress(gpu_memory, static_cast<GPUVAddr>(gpu_addr + offsets[level]))) {
return true;
}
}
return false;
}
std::vector<BufferImageCopy> UnswizzleImage(Tegra::MemoryManager& gpu_memory, GPUVAddr gpu_addr,