Differential D3057 Diff 10056 intern/gawain/src/gwn_immediate.c

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intern/gawain/src/gwn_immediate.c

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	extern bool gpuMatricesDirty(void);			extern bool gpuMatricesDirty(void);

	typedef struct {			typedef struct {
	// TODO: organize this struct by frequency of change (run-time)			// TODO: organize this struct by frequency of change (run-time)

	#if IMM_BATCH_COMBO			#if IMM_BATCH_COMBO
	Gwn_Batch* batch;			Gwn_Batch* batch;
	#endif			#endif
	Gwn_Context* context;

	// current draw call			// current draw call
	GLubyte* buffer_data;			GLubyte* buffer_data;
	unsigned buffer_offset;			unsigned buffer_offset;
	unsigned buffer_bytes_mapped;			unsigned buffer_bytes_mapped;
	unsigned vertex_ct;			unsigned vertex_ct;
	bool strict_vertex_ct;			bool strict_vertex_ct;
	Gwn_PrimType prim_type;			Gwn_PrimType prim_type;

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	void immActivate(void)			void immActivate(void)
	{			{
	#if TRUST_NO_ONE			#if TRUST_NO_ONE
	assert(initialized);			assert(initialized);
	assert(imm.prim_type == GWN_PRIM_NONE); // make sure we're not between a Begin/End pair			assert(imm.prim_type == GWN_PRIM_NONE); // make sure we're not between a Begin/End pair
	assert(imm.vao_id == 0);			assert(imm.vao_id == 0);
	#endif			#endif
	imm.vao_id = GWN_vao_alloc();			imm.vao_id = GWN_vao_default();
	imm.context = GWN_context_active_get();
	}			}

	void immDeactivate(void)			void immDeactivate(void)
	{			{
	#if TRUST_NO_ONE			#if TRUST_NO_ONE
	assert(initialized);			assert(initialized);
	assert(imm.prim_type == GWN_PRIM_NONE); // make sure we're not between a Begin/End pair			assert(imm.prim_type == GWN_PRIM_NONE); // make sure we're not between a Begin/End pair
	assert(imm.vao_id != 0);			assert(imm.vao_id != 0);
	#endif			#endif
	GWN_vao_free(imm.vao_id, imm.context);
	imm.vao_id = 0;			imm.vao_id = 0;
	imm.prev_enabled_attrib_bits = 0;			imm.prev_enabled_attrib_bits = 0;
	}			}

	void immDestroy(void)			void immDestroy(void)
	{			{
	immDeactivate();			immDeactivate();
	GWN_buf_id_free(imm.vbo_id);			GWN_buf_id_free(imm.vbo_id);
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