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renderer: align buffer synchronization flow

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This commit is contained in:
nmzik
2026-08-18 02:24:34 +02:00
parent a798e12d7f
commit 840d742230
2 changed files with 23 additions and 14 deletions
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src/graphics/host_gpu/renderer/cache/bufferCache.cpp
Vendored
+21 -14
View File
@@ -454,6 +454,24 @@ BufferCache::CachedBuffer& BufferCache::GetOrCreateBuffer(CommandBuffer& command
return *m_buffers.emplace(cached->vaddr, std::move(cached)).first->second;
}
bool BufferCache::SynchronizeBuffer(CommandBuffer& command, Buffer& buffer, uint64_t vaddr,
uint64_t size, bool is_written, bool is_texel_buffer) {
std::vector<std::pair<uint64_t, uint64_t>> uploads;
m_memory_tracker.ForEachUploadRange(
vaddr, size, is_written,
[&](uint64_t address, uint64_t bytes) noexcept { uploads.emplace_back(address, bytes); },
[&]() noexcept {
for (const auto& [address, bytes]: uploads) {
Upload(command, buffer, buffer.Offset(address),
reinterpret_cast<const void*>(address), bytes);
}
});
if (is_texel_buffer && !is_written) {
return SynchronizeBufferFromImage(buffer, vaddr, size);
}
return false;
}
BufferBinding BufferCache::ObtainBuffer(CommandBuffer& command, uint64_t vaddr, uint64_t size,
bool is_written, bool is_read, bool is_formatted) {
if (command.IsInvalid() || command.IsExecute()) {
@@ -485,25 +503,14 @@ BufferBinding BufferCache::ObtainBuffer(CommandBuffer& command, uint64_t vaddr,
(void)m_texture_cache.InvalidateMemoryFromGPU(vaddr, size, true);
}
auto& cached = GetOrCreateBuffer(command, vaddr, size);
std::vector<std::pair<uint64_t, uint64_t>> uploads;
m_memory_tracker.ForEachUploadRange(
vaddr, size, is_written,
[&](uint64_t address, uint64_t bytes) noexcept { uploads.emplace_back(address, bytes); },
[&]() noexcept {
for (const auto& [address, bytes]: uploads) {
Upload(command, *cached.buffer, cached.buffer->Offset(address),
reinterpret_cast<const void*>(address), bytes);
}
});
auto& cached = GetOrCreateBuffer(command, vaddr, size);
(void)SynchronizeBuffer(command, *cached.buffer, vaddr, size, is_written,
is_formatted && is_read);
if (is_written) {
m_gpu_modified_ranges.Add(vaddr, size);
}
auto owner = cached.buffer;
uint64_t offset = cached.buffer->Offset(vaddr);
if (is_formatted && is_read && !is_written) {
(void)SynchronizeBufferFromImage(*owner, vaddr, size);
}
return {owner, owner->Handle(), offset};
}
src/graphics/host_gpu/renderer/cache/bufferCache.h
Vendored
+2
View File
@@ -89,6 +89,8 @@ private:
const void* source, uint64_t size);
[[nodiscard]] CachedBuffer& GetOrCreateBuffer(CommandBuffer& command, uint64_t vaddr,
uint64_t size);
[[nodiscard]] bool SynchronizeBuffer(CommandBuffer& command, Buffer& buffer, uint64_t vaddr,
uint64_t size, bool is_written, bool is_texel_buffer);
[[nodiscard]] bool SynchronizeBufferFromImage(Buffer& buffer, uint64_t vaddr, uint64_t size);
[[nodiscard]] std::vector<DownloadRange> RecordDownloads(std::span<const DownloadCopy> copies);
void PublishDownloads(std::span<const DownloadRange> downloads);