diff options
Diffstat (limited to 'intern/cycles/kernel/closure/bsdf_phong_ramp.h')
| -rw-r--r-- | intern/cycles/kernel/closure/bsdf_phong_ramp.h | 56 |
1 files changed, 32 insertions, 24 deletions
diff --git a/intern/cycles/kernel/closure/bsdf_phong_ramp.h b/intern/cycles/kernel/closure/bsdf_phong_ramp.h index 1ab15eee954..e152a8780db 100644 --- a/intern/cycles/kernel/closure/bsdf_phong_ramp.h +++ b/intern/cycles/kernel/closure/bsdf_phong_ramp.h @@ -35,7 +35,17 @@ CCL_NAMESPACE_BEGIN -ccl_device float3 bsdf_phong_ramp_get_color(const ShaderClosure *sc, const float3 colors[8], float pos) +#ifdef __OSL__ + +typedef ccl_addr_space struct PhongRampBsdf { + SHADER_CLOSURE_BASE; + + float3 N; + float exponent; + float3 *colors; +} PhongRampBsdf; + +ccl_device float3 bsdf_phong_ramp_get_color(const float3 colors[8], float pos) { int MAXCOLORS = 8; @@ -49,57 +59,54 @@ ccl_device float3 bsdf_phong_ramp_get_color(const ShaderClosure *sc, const float return colors[ipos] * (1.0f - offset) + colors[ipos+1] * offset; } -ccl_device int bsdf_phong_ramp_setup(ShaderClosure *sc) +ccl_device int bsdf_phong_ramp_setup(PhongRampBsdf *bsdf) { - sc->type = CLOSURE_BSDF_PHONG_RAMP_ID; - sc->data0 = max(sc->data0, 0.0f); - sc->data1 = 0.0f; + bsdf->type = CLOSURE_BSDF_PHONG_RAMP_ID; + bsdf->exponent = max(bsdf->exponent, 0.0f); return SD_BSDF|SD_BSDF_HAS_EVAL; } -ccl_device void bsdf_phong_ramp_blur(ShaderClosure *sc, float roughness) -{ -} - -ccl_device float3 bsdf_phong_ramp_eval_reflect(const ShaderClosure *sc, const float3 colors[8], const float3 I, const float3 omega_in, float *pdf) +ccl_device float3 bsdf_phong_ramp_eval_reflect(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf) { - float m_exponent = sc->data0; - float cosNI = dot(sc->N, omega_in); - float cosNO = dot(sc->N, I); + const PhongRampBsdf *bsdf = (const PhongRampBsdf*)sc; + float m_exponent = bsdf->exponent; + float cosNI = dot(bsdf->N, omega_in); + float cosNO = dot(bsdf->N, I); if(cosNI > 0 && cosNO > 0) { // reflect the view vector - float3 R = (2 * cosNO) * sc->N - I; + float3 R = (2 * cosNO) * bsdf->N - I; float cosRI = dot(R, omega_in); if(cosRI > 0) { float cosp = powf(cosRI, m_exponent); float common = 0.5f * M_1_PI_F * cosp; float out = cosNI * (m_exponent + 2) * common; *pdf = (m_exponent + 1) * common; - return bsdf_phong_ramp_get_color(sc, colors, cosp) * out; + return bsdf_phong_ramp_get_color(bsdf->colors, cosp) * out; } } return make_float3(0.0f, 0.0f, 0.0f); } -ccl_device float3 bsdf_phong_ramp_eval_transmit(const ShaderClosure *sc, const float3 colors[8], const float3 I, const float3 omega_in, float *pdf) +ccl_device float3 bsdf_phong_ramp_eval_transmit(const ShaderClosure *sc, const float3 I, const float3 omega_in, float *pdf) { return make_float3(0.0f, 0.0f, 0.0f); } -ccl_device int bsdf_phong_ramp_sample(const ShaderClosure *sc, const float3 colors[8], float3 Ng, float3 I, float3 dIdx, float3 dIdy, float randu, float randv, float3 *eval, float3 *omega_in, float3 *domega_in_dx, float3 *domega_in_dy, float *pdf) +ccl_device int bsdf_phong_ramp_sample(const ShaderClosure *sc, float3 Ng, float3 I, float3 dIdx, float3 dIdy, float randu, float randv, float3 *eval, float3 *omega_in, float3 *domega_in_dx, float3 *domega_in_dy, float *pdf) { - float cosNO = dot(sc->N, I); - float m_exponent = sc->data0; + const PhongRampBsdf *bsdf = (const PhongRampBsdf*)sc; + float cosNO = dot(bsdf->N, I); + float m_exponent = bsdf->exponent; if(cosNO > 0) { // reflect the view vector - float3 R = (2 * cosNO) * sc->N - I; + float3 R = (2 * cosNO) * bsdf->N - I; #ifdef __RAY_DIFFERENTIALS__ - *domega_in_dx = (2 * dot(sc->N, dIdx)) * sc->N - dIdx; - *domega_in_dy = (2 * dot(sc->N, dIdy)) * sc->N - dIdy; + *domega_in_dx = (2 * dot(bsdf->N, dIdx)) * bsdf->N - dIdx; + *domega_in_dy = (2 * dot(bsdf->N, dIdy)) * bsdf->N - dIdy; #endif float3 T, B; @@ -114,7 +121,7 @@ ccl_device int bsdf_phong_ramp_sample(const ShaderClosure *sc, const float3 colo if(dot(Ng, *omega_in) > 0.0f) { // common terms for pdf and eval - float cosNI = dot(sc->N, *omega_in); + float cosNI = dot(bsdf->N, *omega_in); // make sure the direction we chose is still in the right hemisphere if(cosNI > 0) { @@ -122,13 +129,14 @@ ccl_device int bsdf_phong_ramp_sample(const ShaderClosure *sc, const float3 colo float common = 0.5f * M_1_PI_F * cosp; *pdf = (m_exponent + 1) * common; float out = cosNI * (m_exponent + 2) * common; - *eval = bsdf_phong_ramp_get_color(sc, colors, cosp) * out; + *eval = bsdf_phong_ramp_get_color(bsdf->colors, cosp) * out; } } } return LABEL_REFLECT|LABEL_GLOSSY; } +#endif /* __OSL__ */ CCL_NAMESPACE_END |