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[dxvk] Clean up indirect draw unrolling

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Also don't report explicit multidraw as merged draws, to be more
consistent with reporting in games that also use IndirectCount.
This commit is contained in:
Philip Rebohle 2025-02-23 16:24:03 +01:00
parent fc3cf3e822
commit 7208d06548
1 changed files with 35 additions and 24 deletions
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59
src/dxvk/dxvk_context.cpp
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@ -1806,41 +1806,54 @@ namespace dxvk {
uint32_t count,
uint32_t stride,
bool unroll) {
constexpr VkDeviceSize elementSize = Indexed
? sizeof(VkDrawIndexedIndirectCommand)
: sizeof(VkDrawIndirectCommand);
if (this->commitGraphicsState<Indexed, true>()) {
auto descriptor = m_state.id.argBuffer.getDescriptor();
if (unroll)
unroll = needsDrawBarriers();
// If draws are merged but the pipeline has order-dependent stores, submit
// one draw at a time as well as barriers in between. Otherwise, keep the
// draws merged.
uint32_t step = unroll ? 1u : count;
for (uint32_t i = 0; i < count; i += step) {
if (unlikely(i)) {
// Insert barrier after the first iteration
this->commitGraphicsState<Indexed, true>();
}
if (likely(count == 1u || !unroll || !needsDrawBarriers())) {
if (Indexed) {
m_cmd->cmdDrawIndexedIndirect(descriptor.buffer.buffer,
descriptor.buffer.offset + offset, step, stride);
descriptor.buffer.offset + offset, count, stride);
} else {
m_cmd->cmdDrawIndirect(descriptor.buffer.buffer,
descriptor.buffer.offset + offset, step, stride);
descriptor.buffer.offset + offset, count, stride);
}
m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, 1u);
m_cmd->addStatCtr(DxvkStatCounter::CmdDrawsMerged, step - 1u);
if (unlikely(m_state.id.argBuffer.buffer()->hasGfxStores())) {
accessDrawBuffer(offset, step, stride, Indexed
? sizeof(VkDrawIndexedIndirectCommand)
: sizeof(VkDrawIndirectCommand));
if (unroll) {
// Assume this is an automatically merged draw, if the app
// explicitly uses multidraw then don't count it as merged.
m_cmd->addStatCtr(DxvkStatCounter::CmdDrawsMerged, count - 1u);
}
offset += step * stride;
if (unlikely(m_state.id.argBuffer.buffer()->hasGfxStores()))
accessDrawBuffer(offset, count, stride, elementSize);
} else {
// If the pipeline has order-sensitive stores, submit one
// draw at a time and insert barriers in between.
for (uint32_t i = 0; i < count; i++) {
if (i)
this->commitGraphicsState<Indexed, true>();
if (Indexed) {
m_cmd->cmdDrawIndexedIndirect(descriptor.buffer.buffer,
descriptor.buffer.offset + offset, 1u, 0u);
} else {
m_cmd->cmdDrawIndirect(descriptor.buffer.buffer,
descriptor.buffer.offset + offset, 1u, 0u);
}
if (unlikely(m_state.id.argBuffer.buffer()->hasGfxStores()))
accessDrawBuffer(offset, 1u, stride, elementSize);
offset += stride;
}
m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, count);
}
}
}
@ -1872,8 +1885,6 @@ namespace dxvk {
maxCount, stride);
}
// Can't meaningfully estimate the draw count here since the
// maximum draw count may be based on the draw buffer size
m_cmd->addStatCtr(DxvkStatCounter::CmdDrawCalls, 1u);
if (unlikely(m_state.id.argBuffer.buffer()->hasGfxStores())) {