Differential D5689 Diff 17850 intern/cycles/kernel/kernel_film.h

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intern/cycles/kernel/kernel_film.h

Show First 20 Lines • Show All 73 Lines • ▼ Show 20 Lines	ccl_device void kernel_film_convert_to_half_float(KernelGlobals *kg,
float sample_scale,		float sample_scale,
int x,		int x,
int y,		int y,
int offset,		int offset,
int stride)		int stride)
{		{
/* buffer offset */		/* buffer offset */
int index = offset + x + y * stride;		int index = offset + x + y * stride;
		int display_pass = kernel_data.film.display_pass;
		int pass_offset = display_pass == PASS_COMBINED ? 0 : 4;

ccl_global float4 in = (ccl_global float4 )(buffer + index * kernel_data.film.pass_stride);		float4 rgba_in;
ccl_global half out = (ccl_global half )rgba + index * 4;		if (display_pass == PASS_COMBINED) {
		ccl_global float4 in = (ccl_global float4 )(buffer + pass_offset +
		index * kernel_data.film.pass_stride);
float exposure = kernel_data.film.exposure;		float exposure = kernel_data.film.exposure;

float4 rgba_in = *in;		rgba_in.x = in->x * exposure;
		rgba_in.y = in->y * exposure;
if (exposure != 1.0f) {		rgba_in.z = in->z * exposure;
rgba_in.x *= exposure;		rgba_in.w = in->w;
rgba_in.y *= exposure;		}
rgba_in.z *= exposure;		else if (display_pass == PASS_MIST) {
		const float sample_scale_inv = 1.0f / sample_scale;
		ccl_global float in = (ccl_global float )(buffer + pass_offset +
		index * kernel_data.film.pass_stride);
		rgba_in = make_float4(in, in, *in, sample_scale_inv);
}		}
		else {
		const float sample_scale_inv = 1.0f / sample_scale;
		ccl_global float4 in = (ccl_global float4 )(buffer + pass_offset +
		index * kernel_data.film.pass_stride);
		rgba_in.x = in->x;
		rgba_in.y = in->y;
		rgba_in.z = in->z;
		rgba_in.w = sample_scale_inv;
		}

		ccl_global half out = (ccl_global half )rgba + index * 4;

float4_store_half(out, rgba_in, sample_scale);		float4_store_half(out, rgba_in, sample_scale);
}		}

CCL_NAMESPACE_END		CCL_NAMESPACE_END