Differential D12367 Diff 41308 intern/cycles/kernel/closure/bsdf_hair.h

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intern/cycles/kernel/closure/bsdf_hair.h

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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,		* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY		* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/		*/

#ifndef __BSDF_HAIR_H__		#pragma once
#define __BSDF_HAIR_H__

CCL_NAMESPACE_BEGIN		CCL_NAMESPACE_BEGIN

typedef ccl_addr_space struct HairBsdf {		typedef ccl_addr_space struct HairBsdf {
SHADER_CLOSURE_BASE;		SHADER_CLOSURE_BASE;

float3 T;		float3 T;
float roughness1;		float roughness1;
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ccl_device int bsdf_hair_transmission_setup(HairBsdf *bsdf)		ccl_device int bsdf_hair_transmission_setup(HairBsdf *bsdf)
{		{
bsdf->type = CLOSURE_BSDF_HAIR_TRANSMISSION_ID;		bsdf->type = CLOSURE_BSDF_HAIR_TRANSMISSION_ID;
bsdf->roughness1 = clamp(bsdf->roughness1, 0.001f, 1.0f);		bsdf->roughness1 = clamp(bsdf->roughness1, 0.001f, 1.0f);
bsdf->roughness2 = clamp(bsdf->roughness2, 0.001f, 1.0f);		bsdf->roughness2 = clamp(bsdf->roughness2, 0.001f, 1.0f);
return SD_BSDF \| SD_BSDF_HAS_EVAL;		return SD_BSDF \| SD_BSDF_HAS_EVAL;
}		}

ccl_device bool bsdf_hair_merge(const ShaderClosure a, const ShaderClosure b)
{
const HairBsdf bsdf_a = (const HairBsdf )a;
const HairBsdf bsdf_b = (const HairBsdf )b;

return (isequal_float3(bsdf_a->T, bsdf_b->T)) && (bsdf_a->roughness1 == bsdf_b->roughness1) &&
(bsdf_a->roughness2 == bsdf_b->roughness2) && (bsdf_a->offset == bsdf_b->offset);
}

ccl_device float3 bsdf_hair_reflection_eval_reflect(const ShaderClosure *sc,		ccl_device float3 bsdf_hair_reflection_eval_reflect(const ShaderClosure *sc,
const float3 I,		const float3 I,
const float3 omega_in,		const float3 omega_in,
float *pdf)		float *pdf)
{		{
const HairBsdf bsdf = (const HairBsdf )sc;		const HairBsdf bsdf = (const HairBsdf )sc;
float offset = bsdf->offset;		float offset = bsdf->offset;
float3 Tg = bsdf->T;		float3 Tg = bsdf->T;
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* is involved here.		* is involved here.
*/		*/
kernel_assert(dot(locy, *omega_in) < 1e-4f);		kernel_assert(dot(locy, *omega_in) < 1e-4f);

return LABEL_TRANSMIT \| LABEL_GLOSSY;		return LABEL_TRANSMIT \| LABEL_GLOSSY;
}		}

CCL_NAMESPACE_END		CCL_NAMESPACE_END

#endif /* __BSDF_HAIR_H__ */