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Handle chained PM4 buffers without recursion

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This commit is contained in:
nmzik
2026-09-15 14:43:15 +04:00
parent 6a2987a7b2
commit 79120d53ec
4 changed files with 119 additions and 33 deletions
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src/graphics/guest_gpu/command_processor/commandProcessor.h
+5 -4
View File
@@ -32,11 +32,12 @@ private:
struct BufferCursor {
std::span<const uint32_t> commands;
uint32_t offset_dw = 0;
uint32_t deferred_advance_dw = 0;
uint32_t offset_dw = 0;
};
std::vector<BufferCursor> m_buffer_stack;
std::span<const uint32_t> m_next_buffer;
bool m_chain = false;
bool m_suspended = false;
bool m_made_progress = false;
};
@@ -129,7 +130,7 @@ public:
[[nodiscard]] bool ShouldSkipPredicatedPackets() const { return m_predicate_skip; }
Pm4ProcessResult Process(Pm4Execution& execution, std::span<const uint32_t> commands);
void ProcessIndirectBuffer(std::span<const uint32_t> commands);
void ProcessIndirectBuffer(std::span<const uint32_t> commands, bool chain);
void SetFlip(const FlipInfo& flip) { m_flip = flip; }
@@ -143,7 +144,7 @@ private:
uint32_t cache_action, uint32_t event_index, uint32_t event_write_source,
void* dst_gpu_addr, T value, uint32_t interrupt_selector,
uint32_t interrupt_context_id);
void ProcessPm4(Pm4Execution& execution, size_t stop_depth);
void ProcessPm4(Pm4Execution& execution);
void SuspendPm4();
CommandScheduler& GetScheduler() const { return m_renderer.GetCommandScheduler(); }
CommandBuffer& CurrentBuffer() { return GetScheduler().Current(); }
src/graphics/guest_gpu/command_processor/pm4Handlers.cpp
+3 -3
View File
@@ -1495,10 +1495,10 @@ KYTY_CP_OP_PARSER(CpOpBranch) {
reinterpret_cast<uint64_t>(else_buffer), else_num_dw);
if (take_then) {
cp.ProcessIndirectBuffer({then_buffer, then_num_dw});
cp.ProcessIndirectBuffer({then_buffer, then_num_dw}, true);
} else if (mode == 2 && else_num_dw != 0) {
EXIT_NOT_IMPLEMENTED(else_buffer == nullptr);
cp.ProcessIndirectBuffer({else_buffer, else_num_dw});
cp.ProcessIndirectBuffer({else_buffer, else_num_dw}, true);
}
return payload_dw;
@@ -1959,7 +1959,7 @@ KYTY_CP_OP_PARSER(CpOpIndirectBuffer) {
GraphicsDbgDumpDcb("ci", indirect_num_dw, indirect_buffer);
cp.ProcessIndirectBuffer({indirect_buffer, indirect_num_dw});
cp.ProcessIndirectBuffer({indirect_buffer, indirect_num_dw}, (control & (1u << 20u)) != 0);
return 3;
}