Differential D12015 Diff 39883 intern/cycles/kernel/kernel_write_passes.h

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intern/cycles/kernel/kernel_write_passes.h

Show All 38 Lines	#ifdef __ATOMIC_PASS_WRITE__
ccl_global float *buf_x = buffer + 0;		ccl_global float *buf_x = buffer + 0;
ccl_global float *buf_y = buffer + 1;		ccl_global float *buf_y = buffer + 1;
ccl_global float *buf_z = buffer + 2;		ccl_global float *buf_z = buffer + 2;

atomic_add_and_fetch_float(buf_x, value.x);		atomic_add_and_fetch_float(buf_x, value.x);
atomic_add_and_fetch_float(buf_y, value.y);		atomic_add_and_fetch_float(buf_y, value.y);
atomic_add_and_fetch_float(buf_z, value.z);		atomic_add_and_fetch_float(buf_z, value.z);
#else		#else
ccl_global float3 buf = (ccl_global float3 )buffer;		ccl_global float buf = (ccl_global float )buffer;
*buf += value;		buf[0] += value.x;
		buf[1] += value.y;
		buf[2] += value.z;
#endif		#endif
}		}

ccl_device_inline void kernel_write_pass_float4(ccl_global float *ccl_restrict buffer,		ccl_device_inline void kernel_write_pass_float4(ccl_global float *ccl_restrict buffer,
float4 value)		float4 value)
{		{
#ifdef __ATOMIC_PASS_WRITE__		#ifdef __ATOMIC_PASS_WRITE__
ccl_global float *buf_x = buffer + 0;		ccl_global float *buf_x = buffer + 0;
ccl_global float *buf_y = buffer + 1;		ccl_global float *buf_y = buffer + 1;
ccl_global float *buf_z = buffer + 2;		ccl_global float *buf_z = buffer + 2;
ccl_global float *buf_w = buffer + 3;		ccl_global float *buf_w = buffer + 3;

atomic_add_and_fetch_float(buf_x, value.x);		atomic_add_and_fetch_float(buf_x, value.x);
atomic_add_and_fetch_float(buf_y, value.y);		atomic_add_and_fetch_float(buf_y, value.y);
atomic_add_and_fetch_float(buf_z, value.z);		atomic_add_and_fetch_float(buf_z, value.z);
atomic_add_and_fetch_float(buf_w, value.w);		atomic_add_and_fetch_float(buf_w, value.w);
#else		#else
ccl_global float4 buf = (ccl_global float4 )buffer;		ccl_global float buf = (ccl_global float )buffer;
*buf += value;		buf[0] += value.x;
		buf[1] += value.y;
		buf[2] += value.z;
		buf[3] += value.w;
#endif		#endif
}		}

#ifdef __DENOISING_FEATURES__
ccl_device_inline void kernel_write_pass_float_variance(ccl_global float *ccl_restrict buffer,
float value)
{
kernel_write_pass_float(buffer, value);

/* The online one-pass variance update that's used for the megakernel can't easily be implemented
* with atomics, so for the split kernel the E[x^2] - 1/N * (E[x])^2 fallback is used. */
kernel_write_pass_float(buffer + 1, value * value);
}

# ifdef __ATOMIC_PASS_WRITE__
# define kernel_write_pass_float3_unaligned kernel_write_pass_float3
# else
ccl_device_inline void kernel_write_pass_float3_unaligned(ccl_global float *ccl_restrict buffer,
float3 value)
{
buffer[0] += value.x;
buffer[1] += value.y;
buffer[2] += value.z;
}
# endif

ccl_device_inline void kernel_write_pass_float3_variance(ccl_global float *ccl_restrict buffer,
float3 value)
{
kernel_write_pass_float3_unaligned(buffer, value);
kernel_write_pass_float3_unaligned(buffer + 3, value * value);
}
#endif /* __DENOISING_FEATURES__ */

CCL_NAMESPACE_END		CCL_NAMESPACE_END