[PICA] Shader uploads

include/PICA/gpu.hpp

@@ -0,0 +1,25 @@
+#pragma once
+#include <array>
+#include "helpers.hpp"
+#include "memory.hpp"
+#include "PICA/shader_unit.hpp"
+
+class GPU {
+	Memory& mem;
+	static constexpr u32 regNum = 0x300;
+	ShaderUnit shaderUnit;
+	std::array<u32, regNum> regs; // GPU internal registers
+
+public:
+	GPU(Memory& mem) : mem(mem) {}
+	void clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 control);
+	void reset();
+
+	// Used by the GSP GPU service for readHwRegs/writeHwRegs/writeHwRegsMasked
+	u32 readReg(u32 address);
+	void writeReg(u32 address, u32 value);
+
+	// Used when processing GPU command lists
+	u32 readInternalReg(u32 index);
+	void writeInternalReg(u32 index, u32 value, u32 mask);
+};