Cycles: Remove empty closure blur code and the corresponding entries in the switch.

Most compilers will probably optimize that out, but I still don't see a reason to keep it.

9 files changed, 4 insertions, 85 deletions

diff --git a/intern/cycles/kernel/closure/bsdf.h b/intern/cycles/kernel/closure/bsdf.h
index 56cd52f69e6..2b9e2a4e44d 100644
--- a/intern/cycles/kernel/closure/bsdf.h
+++ b/intern/cycles/kernel/closure/bsdf.h
@@ -275,6 +275,8 @@ ccl_device float3 bsdf_eval(KernelGlobals *kg, const ShaderData *sd, const Shade
 
 ccl_device void bsdf_blur(KernelGlobals *kg, ShaderClosure *sc, float roughness)
 {
+/* ToDo: do we want to blur volume closures? */
+
 #ifdef __OSL__
 	if(kg->osl && sc->prim) {
 		OSLShader::bsdf_blur(sc, roughness);
@@ -282,33 +284,8 @@ ccl_device void bsdf_blur(KernelGlobals *kg, ShaderClosure *sc, float roughness)
 	}
 #endif
 
-	switch(sc->type) {
-		case CLOSURE_BSDF_DIFFUSE_ID:
-		case CLOSURE_BSDF_BSSRDF_ID:
-			bsdf_diffuse_blur(sc, roughness);
-			break;
 #ifdef __SVM__
-		case CLOSURE_BSDF_OREN_NAYAR_ID:
-			bsdf_oren_nayar_blur(sc, roughness);
-			break;
-		/*case CLOSURE_BSDF_PHONG_RAMP_ID:
-			bsdf_phong_ramp_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_DIFFUSE_RAMP_ID:
-			bsdf_diffuse_ramp_blur(sc, roughness);
-			break;*/
-		case CLOSURE_BSDF_TRANSLUCENT_ID:
-			bsdf_translucent_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_REFLECTION_ID:
-			bsdf_reflection_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_REFRACTION_ID:
-			bsdf_refraction_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_TRANSPARENT_ID:
-			bsdf_transparent_blur(sc, roughness);
-			break;
+	switch(sc->type) {
 		case CLOSURE_BSDF_MICROFACET_GGX_ID:
 		case CLOSURE_BSDF_MICROFACET_GGX_ANISO_ID:
 		case CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID:
@@ -323,24 +300,10 @@ ccl_device void bsdf_blur(KernelGlobals *kg, ShaderClosure *sc, float roughness)
 		case CLOSURE_BSDF_ASHIKHMIN_SHIRLEY_ANISO_ID:
 			bsdf_ashikhmin_shirley_blur(sc, roughness);
 			break;
-		case CLOSURE_BSDF_ASHIKHMIN_VELVET_ID:
-			bsdf_ashikhmin_velvet_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_DIFFUSE_TOON_ID:
-			bsdf_diffuse_toon_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_GLOSSY_TOON_ID:
-			bsdf_glossy_toon_blur(sc, roughness);
-			break;
-		case CLOSURE_BSDF_HAIR_REFLECTION_ID:
-		case CLOSURE_BSDF_HAIR_TRANSMISSION_ID:
-			bsdf_hair_reflection_blur(sc, roughness);
-			break;
-#endif
-		/* todo: do we want to blur volume closures? */
 		default:
 			break;
 	}
+#endif
 }
 
 CCL_NAMESPACE_END
diff --git a/intern/cycles/kernel/closure/bsdf_ashikhmin_velvet.h b/intern/cycles/kernel/closure/bsdf_ashikhmin_velvet.h
index 3631f90bf8c..580f50d5dd6 100644
--- a/intern/cycles/kernel/closure/bsdf_ashikhmin_velvet.h
+++ b/intern/cycles/kernel/closure/bsdf_ashikhmin_velvet.h
@@ -45,10 +45,6 @@ ccl_device int bsdf_ashikhmin_velvet_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_BSDF_HAS_EVAL;
 }
 
-ccl_device void bsdf_ashikhmin_velvet_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_ashikhmin_velvet_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	float m_invsigma2 = sc->data0;
diff --git a/intern/cycles/kernel/closure/bsdf_diffuse.h b/intern/cycles/kernel/closure/bsdf_diffuse.h
index 371f467000c..4b29bb096d1 100644
--- a/intern/cycles/kernel/closure/bsdf_diffuse.h
+++ b/intern/cycles/kernel/closure/bsdf_diffuse.h
@@ -43,10 +43,6 @@ ccl_device int bsdf_diffuse_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_BSDF_HAS_EVAL;
 }
 
-ccl_device void bsdf_diffuse_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_diffuse_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	float3 N = sc->N;
@@ -90,10 +86,6 @@ ccl_device int bsdf_translucent_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_BSDF_HAS_EVAL;
 }
 
-ccl_device void bsdf_translucent_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_translucent_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	return make_float3(0.0f, 0.0f, 0.0f);
diff --git a/intern/cycles/kernel/closure/bsdf_hair.h b/intern/cycles/kernel/closure/bsdf_hair.h
index 8ef95435e72..f26ede0381d 100644
--- a/intern/cycles/kernel/closure/bsdf_hair.h
+++ b/intern/cycles/kernel/closure/bsdf_hair.h
@@ -36,14 +36,6 @@
 CCL_NAMESPACE_BEGIN
 
 
-ccl_device void bsdf_hair_reflection_blur(ShaderClosure *sc, float roughness)
-{
-}
-
-ccl_device void bsdf_hair_transmission_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device int bsdf_hair_reflection_setup(ShaderClosure *sc)
 {
 	sc->type = CLOSURE_BSDF_HAIR_REFLECTION_ID;
diff --git a/intern/cycles/kernel/closure/bsdf_oren_nayar.h b/intern/cycles/kernel/closure/bsdf_oren_nayar.h
index d18c3dd6142..c476d4ca4e2 100644
--- a/intern/cycles/kernel/closure/bsdf_oren_nayar.h
+++ b/intern/cycles/kernel/closure/bsdf_oren_nayar.h
@@ -47,10 +47,6 @@ ccl_device int bsdf_oren_nayar_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_BSDF_HAS_EVAL;
 }
 
-ccl_device void bsdf_oren_nayar_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_oren_nayar_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	if(dot(sc->N, omega_in) > 0.0f) {
diff --git a/intern/cycles/kernel/closure/bsdf_reflection.h b/intern/cycles/kernel/closure/bsdf_reflection.h
index 6b90236525d..303f4c9ce34 100644
--- a/intern/cycles/kernel/closure/bsdf_reflection.h
+++ b/intern/cycles/kernel/closure/bsdf_reflection.h
@@ -43,10 +43,6 @@ ccl_device int bsdf_reflection_setup(ShaderClosure *sc)
 	return SD_BSDF;
 }
 
-ccl_device void bsdf_reflection_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_reflection_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	return make_float3(0.0f, 0.0f, 0.0f);
diff --git a/intern/cycles/kernel/closure/bsdf_refraction.h b/intern/cycles/kernel/closure/bsdf_refraction.h
index 02a06941afa..c78a4b67134 100644
--- a/intern/cycles/kernel/closure/bsdf_refraction.h
+++ b/intern/cycles/kernel/closure/bsdf_refraction.h
@@ -43,10 +43,6 @@ ccl_device int bsdf_refraction_setup(ShaderClosure *sc)
 	return SD_BSDF;
 }
 
-ccl_device void bsdf_refraction_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_refraction_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	return make_float3(0.0f, 0.0f, 0.0f);
diff --git a/intern/cycles/kernel/closure/bsdf_toon.h b/intern/cycles/kernel/closure/bsdf_toon.h
index 797fa4227ae..df03942638f 100644
--- a/intern/cycles/kernel/closure/bsdf_toon.h
+++ b/intern/cycles/kernel/closure/bsdf_toon.h
@@ -46,10 +46,6 @@ ccl_device int bsdf_diffuse_toon_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_BSDF_HAS_EVAL;
 }
 
-ccl_device void bsdf_diffuse_toon_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_toon_get_intensity(float max_angle, float smooth, float angle)
 {
 	float is;
@@ -130,10 +126,6 @@ ccl_device int bsdf_glossy_toon_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_BSDF_HAS_EVAL;
 }
 
-ccl_device void bsdf_glossy_toon_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_glossy_toon_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	float max_angle = sc->data0*M_PI_2_F;
diff --git a/intern/cycles/kernel/closure/bsdf_transparent.h b/intern/cycles/kernel/closure/bsdf_transparent.h
index 73601d20c3a..3c2fd8004df 100644
--- a/intern/cycles/kernel/closure/bsdf_transparent.h
+++ b/intern/cycles/kernel/closure/bsdf_transparent.h
@@ -41,10 +41,6 @@ ccl_device int bsdf_transparent_setup(ShaderClosure *sc)
 	return SD_BSDF|SD_TRANSPARENT;
 }
 
-ccl_device void bsdf_transparent_blur(ShaderClosure *sc, float roughness)
-{
-}
-
 ccl_device float3 bsdf_transparent_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf)
 {
 	return make_float3(0.0f, 0.0f, 0.0f);