[pcsx_rearmed.git] / libpcsxcore / gpu.h


/*
 * q: Why bother with GPU stuff in a plugin-based emu core?
 * a: mostly because of busy bits, we have all the needed timing info
 *    that GPU plugin doesn't.
 */

#define PSXGPU_LCF   (1<<31)
#define PSXGPU_nBUSY (1<<26)
#define PSXGPU_ILACE (1<<22)

#define HW_GPU_STATUS psxHu32ref(0x1814)

// TODO: handle com too
#define PSXGPU_TIMING_BITS (PSXGPU_LCF | PSXGPU_nBUSY)

#define gpuSyncPluginSR() { \
	HW_GPU_STATUS &= PSXGPU_TIMING_BITS; \
	HW_GPU_STATUS |= GPU_readStatus() & ~PSXGPU_TIMING_BITS; \
}
Commit	Line	Data
ddbaf678	1
	2	/*
	3	* q: Why bother with GPU stuff in a plugin-based emu core?
	4	* a: mostly because of busy bits, we have all the needed timing info
	5	* that GPU plugin doesn't.
	6	*/
	7
	8	#define PSXGPU_LCF (1<<31)
	9	#define PSXGPU_nBUSY (1<<26)
	10	#define PSXGPU_ILACE (1<<22)
	11
	12	#define HW_GPU_STATUS psxHu32ref(0x1814)
	13
	14	// TODO: handle com too
	15	#define PSXGPU_TIMING_BITS (PSXGPU_LCF \| PSXGPU_nBUSY)
	16
	17	#define gpuSyncPluginSR() { \
	18	HW_GPU_STATUS &= PSXGPU_TIMING_BITS; \
	19	HW_GPU_STATUS \|= GPU_readStatus() & ~PSXGPU_TIMING_BITS; \
	20	}