graphics: skip GPU-clean empty indirect dispatches before shader preparation

Co-authored-by: fxpw <fxpw@outlook.com>

src/graphics/host_gpu/renderer/renderCompute.cpp

@@ -22,6 +22,7 @@
 #include "graphics/shader/recompiler/ir/passes/ResourceMaterialization.h"
 #include "graphics/shader/shader.h"
 #include "kernel/eventQueue.h"
+#include "kernel/memory.h"
 #include "kernel/pthread.h"
 #include "libs/errno.h"
 
@@ -444,6 +445,12 @@ void RenderExecutor::DispatchIndirect(uint64_t submit_id, CommandBuffer& buffer,
 	                    static_cast<uint32_t>(args_addr), static_cast<uint32_t>(args_addr >> 32u),
 	                    0, mode, buffer.GetShaders().GetCs().cs_regs.data_addr);
 	Common::LockGuard lock(m_context.GetMutex());
+	vk::DispatchIndirectCommand args {};
+	if (!m_context.GetBufferCache().HasGpuDirtyBytes(args_addr, sizeof(args)) &&
+	    LibKernel::Memory::TryReadBacking(args_addr, &args, sizeof(args)) &&
+	    (args.x == 0 || args.y == 0 || args.z == 0)) {
+		return;
+	}
 	const auto& cs_regs = buffer.GetShaders().GetCs();
 	if (cs_regs.cs_regs.data_addr == 0) {
 		return;