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Merge pull request #5919 from ReinUsesLisp/stream-buffer-tragic

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gl_stream_buffer/vk_staging_buffer_pool: Fix size check
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Morph 2021-02-13 21:25:45 +08:00 committed by GitHub
commit 83227ad981
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3 changed files with 12 additions and 6 deletions
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2
src/video_core/renderer_opengl/gl_stream_buffer.cpp
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@ -40,7 +40,7 @@ std::pair<std::span<u8>, size_t> StreamBuffer::Request(size_t size) noexcept {
glClientWaitSync(fences[region].handle, 0, GL_TIMEOUT_IGNORED);
fences[region].Release();
}
if (iterator + size > free_iterator) {
if (iterator + size >= free_iterator) {
free_iterator = iterator + size;
}
if (iterator + size > STREAM_BUFFER_SIZE) {

11
src/video_core/renderer_vulkan/vk_master_semaphore.h
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@ -21,7 +21,12 @@ public:
/// Returns the current logical tick.
[[nodiscard]] u64 CurrentTick() const noexcept {
return current_tick;
return current_tick.load(std::memory_order_relaxed);
}
/// Returns the last known GPU tick.
[[nodiscard]] u64 KnownGpuTick() const noexcept {
return gpu_tick.load(std::memory_order_relaxed);
}
/// Returns the timeline semaphore handle.
@ -31,7 +36,7 @@ public:
/// Returns true when a tick has been hit by the GPU.
[[nodiscard]] bool IsFree(u64 tick) {
return gpu_tick >= tick;
return gpu_tick.load(std::memory_order_relaxed) >= tick;
}
/// Advance to the logical tick.
@ -41,7 +46,7 @@ public:
/// Refresh the known GPU tick
void Refresh() {
gpu_tick = semaphore.GetCounter();
gpu_tick.store(semaphore.GetCounter(), std::memory_order_relaxed);
}
/// Waits for a tick to be hit on the GPU

5
src/video_core/renderer_vulkan/vk_staging_buffer_pool.cpp
View File

@ -153,7 +153,7 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
used_iterator = iterator;
free_iterator = std::max(free_iterator, iterator + size);
if (iterator + size > STREAM_BUFFER_SIZE) {
if (iterator + size >= STREAM_BUFFER_SIZE) {
std::fill(sync_ticks.begin() + Region(used_iterator), sync_ticks.begin() + NUM_SYNCS,
current_tick);
used_iterator = 0;
@ -175,8 +175,9 @@ StagingBufferRef StagingBufferPool::GetStreamBuffer(size_t size) {
}
bool StagingBufferPool::AreRegionsActive(size_t region_begin, size_t region_end) const {
const u64 gpu_tick = scheduler.GetMasterSemaphore().KnownGpuTick();
return std::any_of(sync_ticks.begin() + region_begin, sync_ticks.begin() + region_end,
[this](u64 sync_tick) { return !scheduler.IsFree(sync_tick); });
[gpu_tick](u64 sync_tick) { return gpu_tick < sync_tick; });
};
StagingBufferRef StagingBufferPool::GetStagingBuffer(size_t size, MemoryUsage usage) {