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Adjustments on the plain data for vertex buffer optimization

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This commit is contained in:
CamilleLaVey
2026-07-30 23:54:26 -04:00
parent 91791bd5fe
commit b04207fdfc
1 changed files with 28 additions and 27 deletions
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src/video_core/buffer_cache/buffer_cache.h
+28 -27
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@@ -7,6 +7,7 @@
#pragma once
#include <algorithm>
#include <bit>
#include <memory>
#include <numeric>
@@ -919,46 +920,46 @@ void BufferCache<P>::BindHostVertexBuffers() {
if (use_optimized_vertex_buffers) {
auto& flags = maxwell3d->dirty.flags;
u32 enabled_mask = enabled_vertex_buffers_mask;
HostBindings<Buffer> bindings{};
u32 last_index = (std::numeric_limits<u32>::max)();
const auto flush_bindings = [&]() {
if (bindings.buffers.empty()) {
return;
}
bindings.max_index = bindings.min_index + static_cast<u32>(bindings.buffers.size());
runtime.BindVertexBuffers(bindings);
bindings = HostBindings<Buffer>{};
last_index = (std::numeric_limits<u32>::max)();
};
while (enabled_mask != 0) {
const u32 index = std::countr_zero(enabled_mask);
enabled_mask &= (enabled_mask - 1);
const u32 enabled_mask = enabled_vertex_buffers_mask;
bool any_dirty = false;
u32 pending_mask = enabled_mask;
while (pending_mask != 0) {
const u32 index = std::countr_zero(pending_mask);
pending_mask &= (pending_mask - 1);
const Binding& binding = VertexBufferSlot(index);
Buffer& buffer = slot_buffers[binding.buffer_id];
TouchBuffer(buffer, binding.buffer_id);
SynchronizeBuffer(buffer, binding.device_addr, binding.size);
if (!flags[Dirty::VertexBuffer0 + index]) {
flush_bindings();
continue;
}
any_dirty |= flags[Dirty::VertexBuffer0 + index];
}
if (enabled_mask == 0 || !any_dirty) {
return;
}
const u32 min_index = static_cast<u32>(std::countr_zero(enabled_mask));
const u32 max_index = 32u - static_cast<u32>(std::countl_zero(enabled_mask));
HostBindings<Buffer> bindings{};
bindings.min_index = min_index;
bindings.max_index = max_index;
for (u32 index = min_index; index < max_index; ++index) {
flags[Dirty::VertexBuffer0 + index] = false;
const u32 stride = maxwell3d->regs.vertex_streams[index].stride;
if ((enabled_mask & (1u << index)) == 0) {
bindings.buffers.push_back(&slot_buffers[NULL_BUFFER_ID]);
bindings.offsets.push_back(0);
bindings.sizes.push_back(0);
bindings.strides.push_back(stride);
continue;
}
const Binding& binding = VertexBufferSlot(index);
Buffer& buffer = slot_buffers[binding.buffer_id];
const u32 offset = buffer.Offset(binding.device_addr);
buffer.MarkUsage(offset, binding.size);
if (!bindings.buffers.empty() && index != last_index + 1) {
flush_bindings();
}
if (bindings.buffers.empty()) {
bindings.min_index = index;
}
bindings.buffers.push_back(&buffer);
bindings.offsets.push_back(offset);
bindings.sizes.push_back(binding.size);
bindings.strides.push_back(stride);
last_index = index;
}
flush_bindings();
runtime.BindVertexBuffers(bindings);
} else {
HostBindings<typename P::Buffer> host_bindings;
bool any_valid{false};