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vk_shader_hle: Make more efficient

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This commit is contained in:
IndecisiveTurtle 2024-12-10 14:27:10 +02:00
parent cc0c49876b
commit 363c6c1b7b
1 changed files with 33 additions and 28 deletions
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61
src/video_core/renderer_vulkan/vk_shader_hle.cpp
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@ -30,16 +30,18 @@ bool ExecuteCopyShaderHLE(const Shader::Info& info, const AmdGpu::Liverpool::Reg
};
static_assert(sizeof(CopyShaderControl) == 12);
ASSERT(ctl_buf_sharp.GetStride() == sizeof(CopyShaderControl));
const auto ctl_buf = reinterpret_cast<CopyShaderControl*>(ctl_buf_sharp.base_address);
const auto ctl_buf = reinterpret_cast<const CopyShaderControl*>(ctl_buf_sharp.base_address);
static std::vector<vk::BufferCopy> copies;
copies.clear();
copies.reserve(regs.cs_program.dim_x);
// Add list of copies
boost::container::set<vk::BufferCopy> copies;
for (u32 i = 0; i < regs.cs_program.dim_x; i++) {
const auto& [dst_idx, src_idx, end] = ctl_buf[i];
const u32 local_dst_offset = dst_idx * buf_stride;
const u32 local_src_offset = src_idx * buf_stride;
const u32 local_size = (end + 1) * buf_stride;
copies.emplace(local_src_offset, local_dst_offset, local_size);
copies.emplace_back(local_src_offset, local_dst_offset, local_size);
}
scheduler.EndRendering();
@ -57,30 +59,29 @@ bool ExecuteCopyShaderHLE(const Shader::Info& info, const AmdGpu::Liverpool::Reg
vk::DependencyFlagBits::eByRegion, READ_BARRIER, {}, {});
static constexpr vk::DeviceSize MaxDistanceForMerge = 64_MB;
boost::container::small_vector<vk::BufferCopy, 32> batch_copies;
while (!copies.empty()) {
// Place first copy into the current batch
auto it = copies.begin();
auto src_offset_min = it->srcOffset;
auto src_offset_max = it->srcOffset + it->size;
auto dst_offset_min = it->dstOffset;
auto dst_offset_max = it->dstOffset + it->size;
batch_copies.emplace_back(*it);
it = copies.erase(it);
u32 batch_start = 0;
u32 batch_end = 1;
while (it != copies.end()) {
while (batch_end < copies.size()) {
// Place first copy into the current batch
const auto& copy = copies[batch_start];
auto src_offset_min = copy.srcOffset;
auto src_offset_max = copy.srcOffset + copy.size;
auto dst_offset_min = copy.dstOffset;
auto dst_offset_max = copy.dstOffset + copy.size;
for (int i = batch_start + 1; i < copies.size(); i++) {
// Compute new src and dst bounds if we were to batch this copy
auto new_src_offset_min = std::min(src_offset_min, it->srcOffset);
auto new_src_offset_max = std::max(src_offset_max, it->srcOffset + it->size);
const auto [src_offset, dst_offset, size] = copies[i];
auto new_src_offset_min = std::min(src_offset_min, src_offset);
auto new_src_offset_max = std::max(src_offset_max, src_offset + size);
if (new_src_offset_max - new_src_offset_min > MaxDistanceForMerge) {
++it;
continue;
}
auto new_dst_offset_min = std::min(dst_offset_min, it->dstOffset);
auto new_dst_offset_max = std::max(dst_offset_max, it->dstOffset + it->size);
auto new_dst_offset_min = std::min(dst_offset_min, dst_offset);
auto new_dst_offset_max = std::max(dst_offset_max, dst_offset + size);
if (new_dst_offset_max - new_dst_offset_min > MaxDistanceForMerge) {
++it;
continue;
}
@ -89,8 +90,10 @@ bool ExecuteCopyShaderHLE(const Shader::Info& info, const AmdGpu::Liverpool::Reg
src_offset_max = new_src_offset_max;
dst_offset_min = new_dst_offset_min;
dst_offset_max = new_dst_offset_max;
batch_copies.emplace_back(*it);
it = copies.erase(it);
if (i != batch_end) {
std::swap(copies[i], copies[batch_end]);
}
++batch_end;
}
// Obtain buffers for the total source and destination ranges.
@ -102,16 +105,18 @@ bool ExecuteCopyShaderHLE(const Shader::Info& info, const AmdGpu::Liverpool::Reg
dst_offset_max - dst_offset_min, true, false);
// Apply found buffer base.
for (auto& vk_copy : batch_copies) {
vk_copy.srcOffset = vk_copy.srcOffset - src_offset_min + src_buf_offset;
vk_copy.dstOffset = vk_copy.dstOffset - dst_offset_min + dst_buf_offset;
const auto vk_copies = std::span{copies}.subspan(batch_start, batch_end - batch_start);
for (auto& copy : vk_copies) {
copy.srcOffset = copy.srcOffset - src_offset_min + src_buf_offset;
copy.dstOffset = copy.dstOffset - dst_offset_min + dst_buf_offset;
}
// Execute buffer copies.
LOG_TRACE(Render_Vulkan, "HLE buffer copy: src_size = {}, dst_size = {}",
src_offset_max - src_offset_min, dst_offset_max - dst_offset_min);
scheduler.CommandBuffer().copyBuffer(src_buf->Handle(), dst_buf->Handle(), batch_copies);
batch_copies.clear();
scheduler.CommandBuffer().copyBuffer(src_buf->Handle(), dst_buf->Handle(), vk_copies);
batch_start = batch_end;
++batch_end;
}
scheduler.CommandBuffer().pipelineBarrier(