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Fix copyGpuBuffers when resize invalidates commands in flight (#876)

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* Fix copyGpuBuffers when resize invalidates commands in flight

* Use _MB macro for size constant
This commit is contained in:
baggins183
2024-09-12 12:54:54 -07:00
committed by GitHub
parent 1b12138cda
commit bc66fe8fb5
3 changed files with 19 additions and 0 deletions
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6
src/video_core/amdgpu/liverpool.cpp
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@@ -660,6 +660,12 @@ std::pair<std::span<const u32>, std::span<const u32>> Liverpool::CopyCmdBuffers(
std::span<const u32> dcb, std::span<const u32> ccb) {
auto& queue = mapped_queues[GfxQueueId];
// std::vector resize can invalidate spans for commands in flight
ASSERT_MSG(queue.dcb_buffer.capacity() >= queue.dcb_buffer_offset + dcb.size(),
"dcb copy buffer out of reserved space");
ASSERT_MSG(queue.ccb_buffer.capacity() >= queue.ccb_buffer_offset + ccb.size(),
"ccb copy buffer out of reserved space");
queue.dcb_buffer.resize(
std::max(queue.dcb_buffer.size(), queue.dcb_buffer_offset + dcb.size()));
queue.ccb_buffer.resize(

9
src/video_core/amdgpu/liverpool.h
View File

@@ -1088,6 +1088,15 @@ public:
submit_cv.notify_one();
}
void reserveCopyBufferSpace() {
GpuQueue& gfx_queue = mapped_queues[GfxQueueId];
std::scoped_lock<std::mutex> lk(gfx_queue.m_access);
constexpr size_t GfxReservedSize = 2_MB >> 2;
gfx_queue.ccb_buffer.reserve(GfxReservedSize);
gfx_queue.dcb_buffer.reserve(GfxReservedSize);
}
private:
struct Task {
struct promise_type {