Differential D5689 Diff 17867 intern/cycles/kernel/kernel_film.h

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intern/cycles/kernel/kernel_film.h

Show First 20 Lines • Show All 72 Lines • ▼ Show 20 Lines	ccl_device void kernel_film_convert_to_half_float(KernelGlobals *kg,
ccl_global float *buffer,		ccl_global float *buffer,
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 */
		float4 rgba_in;
int index = offset + x + y * stride;		int index = offset + x + y * stride;

ccl_global float4 in = (ccl_global float4 )(buffer + index * kernel_data.film.pass_stride);		int display_pass_stride = kernel_data.film.display_pass_stride;
ccl_global half out = (ccl_global half )rgba + index * 4;		int display_pass_components = kernel_data.film.display_pass_components;
		int use_display_sample_scale = (kernel_data.film.display_divide_pass_stride == -1);

		if (display_pass_components == 4) {
		ccl_global float4 in = (ccl_global float4 )(buffer + display_pass_stride +
		index * kernel_data.film.pass_stride);
		float alpha = use_display_sample_scale ?
		(kernel_data.film.use_display_pass_alpha ? in->w : 1.0f / sample_scale) :
		1.0f;

		rgba_in = make_float4(in->x, in->y, in->z, alpha);

		int display_divide_pass_stride = kernel_data.film.display_divide_pass_stride;
		if (display_divide_pass_stride != -1) {
		ccl_global float4 divide_in = (ccl_global float4 )(buffer + display_divide_pass_stride +
		index * kernel_data.film.pass_stride);
		if (divide_in->x != 0.0f) {
		rgba_in.x /= divide_in->x;
		}
		if (divide_in->y != 0.0f) {
		rgba_in.y /= divide_in->y;
		}
		if (divide_in->z != 0.0f) {
		rgba_in.z /= divide_in->z;
		}
		}

		if (kernel_data.film.use_display_exposure) {
float exposure = kernel_data.film.exposure;		float exposure = kernel_data.film.exposure;
		rgba_in *= make_float4(exposure, exposure, exposure, alpha);
float4 rgba_in = *in;		}
		}
if (exposure != 1.0f) {		else if (display_pass_components == 1) {
rgba_in.x *= exposure;		ccl_global float in = (ccl_global float )(buffer + display_pass_stride +
rgba_in.y *= exposure;		index * kernel_data.film.pass_stride);
rgba_in.z *= exposure;		rgba_in = make_float4(in, in, *in, 1.0f / sample_scale);
}		}

		ccl_global half out = (ccl_global half )rgba + index * 4;
		if (use_display_sample_scale) {
float4_store_half(out, rgba_in, sample_scale);		float4_store_half(out, rgba_in, sample_scale);
}		}
		else {
		float4_store_half(out, rgba_in, 1.0f);
		}
		}

CCL_NAMESPACE_END		CCL_NAMESPACE_END