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graphics: write the subdraw index of multi-draw indirect packets

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Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
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nmzikandAli Almohaya committed 2026-10-26 05:32:02 +01:00
1 parent 72d7da7266
commit b4209dde1b
4 files changed
+19 -7
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src/graphics/guest_gpu/graphicsRun.cpp
+6 -4
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@@ -789,7 +789,7 @@ void CommandProcessor::DrawIndexOffset(uint32_t index_offset, uint32_t index_cou
static void PatchIndirectDrawOffsets(CommandProcessor& cp, IndirectDrawRegisters registers,
uint32_t vertex_offset, uint32_t instance_offset,
uint32_t first_index) {
uint32_t first_index, uint32_t draw_index) {
const auto write = [&](uint32_t location, uint32_t value) {
if (location == Pm4::SH_NOP) {
return;
@@ -801,6 +801,7 @@ static void PatchIndirectDrawOffsets(CommandProcessor& cp, IndirectDrawRegisters
write(registers.vertex_offset, vertex_offset);
write(registers.instance_offset, instance_offset);
write(registers.index_offset, first_index);
write(registers.draw_index, draw_index);
}
void CommandProcessor::DrawIndirect(uint32_t data_offset, IndirectDrawRegisters registers,
@@ -839,7 +840,8 @@ void CommandProcessor::DrawIndirectMulti(uint32_t data_offset, uint32_t max_coun
// while they are zero.
const DrawIndirectArgs records {args_addr, draw_count, stride_in_bytes};
if (registers.vertex_offset == Pm4::SH_NOP && registers.instance_offset == Pm4::SH_NOP &&
registers.index_offset == Pm4::SH_NOP && (!indexed || m_index_buffer_size != 0) &&
registers.index_offset == Pm4::SH_NOP && registers.draw_index == Pm4::SH_NOP &&
(!indexed || m_index_buffer_size != 0) &&
(indexed ? executor.DrawIndex(m_submit_id, CurrentBuffer(),
{.index_count = m_index_buffer_size,
.index_addr = IndexAddress(0),
@@ -854,7 +856,7 @@ void CommandProcessor::DrawIndirectMulti(uint32_t data_offset, uint32_t max_coun
const auto addr = args_addr + static_cast<uint64_t>(i) * stride_in_bytes;
if (!indexed) {
const auto& args = *reinterpret_cast<const vk::DrawIndirectCommand*>(addr);
PatchIndirectDrawOffsets(*this, registers, args.firstVertex, args.firstInstance, 0);
PatchIndirectDrawOffsets(*this, registers, args.firstVertex, args.firstInstance, 0, i);
executor.DrawAuto(m_submit_id, CurrentBuffer(),
{.vertex_count = args.vertexCount,
.instance_count = args.instanceCount,
@@ -866,7 +868,7 @@ void CommandProcessor::DrawIndirectMulti(uint32_t data_offset, uint32_t max_coun
const auto& args = *reinterpret_cast<const vk::DrawIndexedIndirectCommand*>(addr);
PatchIndirectDrawOffsets(*this, registers, static_cast<uint32_t>(args.vertexOffset),
args.firstInstance, args.firstIndex);
args.firstInstance, args.firstIndex, i);
executor.DrawIndex(m_submit_id, CurrentBuffer(),
{.index_count = std::min(args.indexCount, max_indices),
.index_addr = IndexAddress(args.firstIndex),