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Add GPU modification checks for buffer barriers

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Kravickas 2026-06-23 08:26:07 +02:00 committed by GitHub
parent 4045fcd358
commit 7e478aabc6
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GPG Key ID: B5690EEEBB952194
1 changed files with 12 additions and 7 deletions
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19
src/video_core/buffer_cache/buffer_cache.cpp
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@ -202,15 +202,18 @@ void BufferCache::BindVertexBuffers(
}
}
// Map buffers for merged ranges; barrier any compute-written buffer for vertex input.
// Map buffers for merged ranges
for (auto& range : ranges_merged) {
const u64 size = memory->ClampRangeSize(range.base_address, range.GetSize());
const auto [buffer, offset] = ObtainBuffer(range.base_address, size, false);
range.vk_buffer = buffer->buffer;
range.offset = offset;
if (auto barrier = buffer->GetBarrier(vk::AccessFlagBits2::eVertexAttributeRead,
vk::PipelineStageFlagBits2::eVertexAttributeInput)) {
barriers.emplace_back(*barrier);
if (IsRegionGpuModified(range.base_address, size)) {
if (auto barrier =
buffer->GetBarrier(vk::AccessFlagBits2::eVertexAttributeRead,
vk::PipelineStageFlagBits2::eVertexAttributeInput)) {
barriers.emplace_back(*barrier);
}
}
}
@ -264,9 +267,11 @@ void BufferCache::BindIndexBuffer(
// Bind index buffer.
const u32 index_buffer_size = regs.num_indices * index_size;
const auto [vk_buffer, offset] = ObtainBuffer(index_address, index_buffer_size, false);
if (auto barrier = vk_buffer->GetBarrier(vk::AccessFlagBits2::eIndexRead,
vk::PipelineStageFlagBits2::eIndexInput)) {
barriers.emplace_back(*barrier);
if (IsRegionGpuModified(index_address, index_buffer_size)) {
if (auto barrier = vk_buffer->GetBarrier(vk::AccessFlagBits2::eIndexRead,
vk::PipelineStageFlagBits2::eIndexInput)) {
barriers.emplace_back(*barrier);
}
}
const auto cmdbuf = scheduler.CommandBuffer();
cmdbuf.bindIndexBuffer(vk_buffer->Handle(), offset, index_type);