UI - Refactoring progress

(see previous log message)

ui-opemu.hh

@@ -0,0 +1,81 @@
+#pragma once
+#include "c-ops.hh"
+#include "ui-shaders.hh"
+#include "ui-texture.hh"
+
+
+namespace ops {
+
+struct T_OpContext
+{
+	T_OpProgram& program;		// The program
+
+	uint32_t instrPtr;		// Instruction pointer
+	bool aborted{ false };		// Did the program fail?
+
+	T_Array< T_OpValue > values;	// VM data
+	T_Array< T_OpValue > stack;	// Main VM stack
+	T_Array< float > initialInputs;	// Initial input values
+
+	T_OpValue wreg;			// Work register
+	double x87stack[ 8 ];		// x87 FPU emulation stack
+	uint32_t x87sp;			// x87 FPU emulation stack pointer
+
+	P_SyncOverrideSection installOverrides;	// Install UI overrides
+
+	// Allocated resources
+	T_Array< T_OwnPtr< T_Rendertarget > > framebuffers;
+	T_Array< T_OwnPtr< T_ShaderProgram > > programs;
+	T_Array< T_OwnPtr< T_ShaderPipeline > > pipelines;
+	T_Array< T_OwnPtr< T_TextureSampler > > samplers;
+	T_Array< T_OwnPtr< T_Texture > > textures;
+
+	T_Array< T_String > profiling;	// Profiling sections that have been started
+	int32_t curFb{ -1 };		// Index of current framebuffer
+
+	enum E_RunTarget {
+		R_INIT ,
+		R_RENDER
+	};
+
+	explicit T_OpContext( T_OpProgram& program ) noexcept;
+	void run( E_RunTarget target ,
+			float time ,
+			float width ,
+			float height );
+
+    private:
+	void ensureStack( T_Op const& op ,
+			uint32_t min );
+	void ensureFpuStack( T_Op const& op ,
+			uint32_t minStacked ,
+			uint32_t minFree );
+	void checkAddress( T_Op const& op ,
+			uint32_t address );
+};
+
+class X_OpFailure : public std::exception
+{
+    public:
+	X_OpFailure( ) = delete;
+	DEF_COPY( X_OpFailure );
+	DEF_MOVE( X_OpFailure );
+
+	X_OpFailure(
+		T_Op const& op ,
+		T_String error ) noexcept;
+
+	T_Op const& op( ) const noexcept
+		{ return *op_; }
+	T_String const& error( ) const noexcept
+		{ return error_; }
+
+	char const* what( ) const noexcept override;
+
+    private:
+	T_Op const* op_;
+	T_String error_;
+	T_String fullMessage_;
+};
+
+} // namespace ops