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graphics: apply indirect draw offsets to guest user SGPRs

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This commit is contained in:
Claxten
2026-10-07 19:19:14 +04:00
committed by nmzik
parent 5297abb7ac
commit 9f83fd5f0c
5 changed files with 123 additions and 12 deletions
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src/graphics/guest_gpu/graphicsRun.cpp
+25 -4
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@@ -875,15 +875,32 @@ void CommandProcessor::DrawIndexOffset(uint32_t index_offset, uint32_t index_cou
DrawIndex({.index_count = index_count, .index_addr = index_addr});
}
void CommandProcessor::DrawIndirect(uint32_t data_offset, uint32_t draw_initiator, bool indexed) {
static void PatchIndirectDrawOffsets(CommandProcessor& cp, IndirectDrawRegisters registers,
uint32_t vertex_offset, uint32_t instance_offset,
uint32_t first_index) {
const auto write = [&](uint32_t location, uint32_t value) {
if (location == Pm4::SH_NOP) {
return;
}
EXIT_NOT_IMPLEMENTED(location >= Pm4::SH_NUM ||
g_hw_sh_indirect_func[location] == nullptr);
g_hw_sh_indirect_func[location](cp, location, value);
};
write(registers.vertex_offset, vertex_offset);
write(registers.instance_offset, instance_offset);
write(registers.index_offset, first_index);
}
void CommandProcessor::DrawIndirect(uint32_t data_offset, IndirectDrawRegisters registers,
uint32_t draw_initiator, bool indexed) {
const auto args_size = indexed ? sizeof(DrawIndexedIndirectArgs) : sizeof(DrawIndirectArgs);
DrawIndirectMulti(data_offset, 1, nullptr, args_size, draw_initiator, indexed);
DrawIndirectMulti(data_offset, 1, nullptr, args_size, registers, draw_initiator, indexed);
}
void CommandProcessor::DrawIndirectMulti(uint32_t data_offset, uint32_t max_count_or_count,
const volatile uint32_t* count_addr,
uint32_t stride_in_bytes, uint32_t draw_initiator,
bool indexed) {
uint32_t stride_in_bytes, IndirectDrawRegisters registers,
uint32_t draw_initiator, bool indexed) {
EXIT_NOT_IMPLEMENTED((draw_initiator & ~0x20u) != (indexed ? 0u : 2u));
EXIT_NOT_IMPLEMENTED(m_draw_indirect_args_base_addr == 0);
@@ -918,6 +935,8 @@ void CommandProcessor::DrawIndirectMulti(uint32_t data_offset, uint32_t max_coun
if (!indexed) {
auto* args = reinterpret_cast<const DrawIndirectArgs*>(args_addr);
PatchIndirectDrawOffsets(*this, registers, args->start_vertex_location,
args->start_instance_location, 0);
m_num_instances = args->instance_count;
DrawIndexAuto({.vertex_count = args->vertex_count_per_instance,
.instance_count = args->instance_count,
@@ -928,6 +947,8 @@ void CommandProcessor::DrawIndirectMulti(uint32_t data_offset, uint32_t max_coun
}
auto* args = reinterpret_cast<const DrawIndexedIndirectArgs*>(args_addr);
PatchIndirectDrawOffsets(*this, registers, args->base_vertex_location,
args->start_instance_location, args->start_index_location);
auto* index_addr = reinterpret_cast<const void*>(
m_index_base_addr + static_cast<uint64_t>(args->start_index_location) * index_size);