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Adds Metal Shader Generation and Rendering Support (AcademySoftwareFo…
…undation#1258) - Adds Metal Support to MaterialXShaderGen Backend - Adds Metal Support to MaterialX Rendering code for testing generated shaders - Adds Metal Support to MaterialXView Rendering Support (switchable between Metal and OpenGL, default is Metal)
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| Original file line number | Diff line number | Diff line change |
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <materialx version="1.37"> | ||
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| <!-- <point_light> --> | ||
| <implementation name="IM_point_light_genmsl" nodedef="ND_point_light" file="mx_point_light.metal" function="mx_point_light" target="genmsl"/> | ||
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| <!-- <directional_light> --> | ||
| <implementation name="IM_directional_light_genmsl" nodedef="ND_directional_light" file="mx_directional_light.metal" function="mx_directional_light" target="genmsl"/> | ||
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| <!-- <spot_light> --> | ||
| <implementation name="IM_spot_light_genmsl" nodedef="ND_spot_light" file="mx_spot_light.metal" function="mx_spot_light" target="genmsl"/> | ||
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| </materialx> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,5 @@ | ||
| void mx_directional_light(LightData light, float3 position, thread lightshader& result) | ||
| { | ||
| result.direction = -light.direction; | ||
| result.intensity = light.color * light.intensity; | ||
| } |
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| void mx_point_light(LightData light, float3 position, thread lightshader& result) | ||
| { | ||
| result.direction = light.position - position; | ||
| float distance = length(result.direction) + M_FLOAT_EPS; | ||
| float attenuation = pow(distance + 1.0, light.decay_rate + M_FLOAT_EPS); | ||
| result.intensity = light.color * light.intensity / attenuation; | ||
| result.direction /= distance; | ||
| } |
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| void mx_spot_light(LightData light, float3 position, thread lightshader& result) | ||
| { | ||
| result.direction = light.position - position; | ||
| float distance = length(result.direction) + M_FLOAT_EPS; | ||
| float attenuation = pow(distance + 1.0, light.decay_rate + M_FLOAT_EPS); | ||
| result.intensity = light.color * light.intensity / attenuation; | ||
| result.direction /= distance; | ||
| float low = min(light.inner_angle, light.outer_angle); | ||
| float high = light.inner_angle; | ||
| float cosDir = dot(result.direction, -light.direction); | ||
| float spotAttenuation = smoothstep(low, high, cosDir); | ||
| result.intensity *= spotAttenuation; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,74 @@ | ||
| <?xml version="1.0"?> | ||
| <materialx version="1.38"> | ||
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| <!-- <oren_nayar_diffuse_bsdf> --> | ||
| <implementation name="IM_oren_nayar_diffuse_bsdf_genmsl" nodedef="ND_oren_nayar_diffuse_bsdf" file="../genglsl/mx_oren_nayar_diffuse_bsdf.glsl" function="mx_oren_nayar_diffuse_bsdf" target="genmsl" /> | ||
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| <!-- <burley_diffuse_bsdf> --> | ||
| <implementation name="IM_burley_diffuse_bsdf_genmsl" nodedef="ND_burley_diffuse_bsdf" file="../genglsl/mx_burley_diffuse_bsdf.glsl" function="mx_burley_diffuse_bsdf" target="genmsl" /> | ||
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| <!-- <translucent_bsdf> --> | ||
| <implementation name="IM_translucent_bsdf_genmsl" nodedef="ND_translucent_bsdf" file="../genglsl/mx_translucent_bsdf.glsl" function="mx_translucent_bsdf" target="genmsl" /> | ||
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| <!-- <dielectric_bsdf> --> | ||
| <implementation name="IM_dielectric_bsdf_genmsl" nodedef="ND_dielectric_bsdf" file="../genglsl/mx_dielectric_bsdf.glsl" function="mx_dielectric_bsdf" target="genmsl" /> | ||
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| <!-- <conductor_bsdf> --> | ||
| <implementation name="IM_conductor_bsdf_genmsl" nodedef="ND_conductor_bsdf" file="../genglsl/mx_conductor_bsdf.glsl" function="mx_conductor_bsdf" target="genmsl" /> | ||
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| <!-- <generalized_schlick_bsdf> --> | ||
| <implementation name="IM_generalized_schlick_bsdf_genmsl" nodedef="ND_generalized_schlick_bsdf" file="../genglsl/mx_generalized_schlick_bsdf.glsl" function="mx_generalized_schlick_bsdf" target="genmsl" /> | ||
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| <!-- <subsurface_bsdf> --> | ||
| <implementation name="IM_subsurface_bsdf_genmsl" nodedef="ND_subsurface_bsdf" file="../genglsl/mx_subsurface_bsdf.glsl" function="mx_subsurface_bsdf" target="genmsl" /> | ||
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| <!-- <sheen_bsdf> --> | ||
| <implementation name="IM_sheen_bsdf_genmsl" nodedef="ND_sheen_bsdf" file="../genglsl/mx_sheen_bsdf.glsl" function="mx_sheen_bsdf" target="genmsl" /> | ||
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| <!-- <anisotropic_vdf> --> | ||
| <implementation name="IM_anisotropic_vdf_genmsl" nodedef="ND_anisotropic_vdf" file="../genglsl/mx_anisotropic_vdf.glsl" function="mx_anisotropic_vdf" target="genmsl" /> | ||
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| <!-- <thin_film_bsdf> --> | ||
| <implementation name="IM_thin_film_bsdf_genmsl" nodedef="ND_thin_film_bsdf" target="genmsl" /> | ||
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| <!-- <layer> --> | ||
| <implementation name="IM_layer_bsdf_genmsl" nodedef="ND_layer_bsdf" target="genmsl" /> | ||
| <implementation name="IM_layer_vdf_genmsl" nodedef="ND_layer_vdf" target="genmsl" /> | ||
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| <!-- <mix> --> | ||
| <implementation name="IM_mix_bsdf_genmsl" nodedef="ND_mix_bsdf" target="genmsl" /> | ||
| <implementation name="IM_mix_edf_genmsl" nodedef="ND_mix_edf" target="genmsl" /> | ||
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| <!-- <add> --> | ||
| <implementation name="IM_add_bsdf_genmsl" nodedef="ND_add_bsdf" target="genmsl" /> | ||
| <implementation name="IM_add_edf_genmsl" nodedef="ND_add_edf" target="genmsl" /> | ||
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| <!-- <multiply> --> | ||
| <implementation name="IM_multiply_bsdfC_genmsl" nodedef="ND_multiply_bsdfC" target="genmsl" /> | ||
| <implementation name="IM_multiply_bsdfF_genmsl" nodedef="ND_multiply_bsdfF" target="genmsl" /> | ||
| <implementation name="IM_multiply_edfC_genmsl" nodedef="ND_multiply_edfC" target="genmsl" /> | ||
| <implementation name="IM_multiply_edfF_genmsl" nodedef="ND_multiply_edfF" target="genmsl" /> | ||
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| <!-- <uniform_edf> --> | ||
| <implementation name="IM_uniform_edf_genmsl" nodedef="ND_uniform_edf" file="../genglsl/mx_uniform_edf.glsl" function="mx_uniform_edf" target="genmsl" /> | ||
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| <!-- <surface> --> | ||
| <implementation name="IM_surface_genmsl" nodedef="ND_surface" target="genmsl" /> | ||
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| <!-- <displacement> --> | ||
| <implementation name="IM_displacement_float_genmsl" nodedef="ND_displacement_float" file="../genglsl/mx_displacement_float.glsl" function="mx_displacement_float" target="genmsl" /> | ||
| <implementation name="IM_displacement_vector3_genmsl" nodedef="ND_displacement_vector3" file="../genglsl/mx_displacement_vector3.glsl" function="mx_displacement_vector3" target="genmsl" /> | ||
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| <!-- <light> --> | ||
| <implementation name="IM_light_genmsl" nodedef="ND_light" target="genmsl" /> | ||
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| <!-- <roughness_anisotropy> --> | ||
| <implementation name="IM_roughness_anisotropy_genmsl" nodedef="ND_roughness_anisotropy" file="../genglsl/mx_roughness_anisotropy.glsl" function="mx_roughness_anisotropy" target="genmsl" /> | ||
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| <!-- <roughness_dual> --> | ||
| <implementation name="IM_roughness_dual_genmsl" nodedef="ND_roughness_dual" file="../genglsl/mx_roughness_dual.glsl" function="mx_roughness_dual" target="genmsl" /> | ||
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| <!-- <artistic_ior> --> | ||
| <implementation name="IM_artistic_ior_genmsl" nodedef="ND_artistic_ior" file="../genglsl/mx_artistic_ior.glsl" function="mx_artistic_ior" target="genmsl" /> | ||
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| </materialx> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| #define M_FLOAT_EPS 1e-8 | ||
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| float mx_square(float x) | ||
| { | ||
| return x*x; | ||
| } | ||
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| vec2 mx_square(vec2 x) | ||
| { | ||
| return x*x; | ||
| } | ||
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| vec3 mx_square(vec3 x) | ||
| { | ||
| return x*x; | ||
| } | ||
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| #ifdef __DECL_GL_MATH_FUNCTIONS__ | ||
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| float radians(float degree) { return (degree * M_PI_F / 180.0f); } | ||
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| float3x3 inverse(float3x3 m) | ||
| { | ||
| float n11 = m[0][0], n12 = m[1][0], n13 = m[2][0]; | ||
| float n21 = m[0][1], n22 = m[1][1], n23 = m[2][1]; | ||
| float n31 = m[0][2], n32 = m[1][2], n33 = m[2][2]; | ||
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| float det = determinant(m); | ||
| float idet = 1.0f / det; | ||
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| float3x3 ret; | ||
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| ret[0][0] = idet * (n22 * n33 - n32 * n23); | ||
| ret[1][0] = idet * (n32 * n13 - n12 * n33); | ||
| ret[2][0] = idet * (n12 * n23 - n22 * n13); | ||
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| ret[0][1] = idet * (n31 * n23 - n21 * n33); | ||
| ret[1][1] = idet * (n11 * n33 - n31 * n13); | ||
| ret[2][1] = idet * (n21 * n13 - n11 * n23); | ||
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| ret[0][2] = idet * (n21 * n32 - n31 * n22); | ||
| ret[1][2] = idet * (n31 * n12 - n11 * n32); | ||
| ret[2][2] = idet * (n11 * n22 - n21 * n12); | ||
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| return ret; | ||
| } | ||
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| float4x4 inverse(float4x4 m) | ||
| { | ||
| float n11 = m[0][0], n12 = m[1][0], n13 = m[2][0], n14 = m[3][0]; | ||
| float n21 = m[0][1], n22 = m[1][1], n23 = m[2][1], n24 = m[3][1]; | ||
| float n31 = m[0][2], n32 = m[1][2], n33 = m[2][2], n34 = m[3][2]; | ||
| float n41 = m[0][3], n42 = m[1][3], n43 = m[2][3], n44 = m[3][3]; | ||
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| float t11 = n23 * n34 * n42 - n24 * n33 * n42 + n24 * n32 * n43 - n22 * n34 * n43 - n23 * n32 * n44 + n22 * n33 * n44; | ||
| float t12 = n14 * n33 * n42 - n13 * n34 * n42 - n14 * n32 * n43 + n12 * n34 * n43 + n13 * n32 * n44 - n12 * n33 * n44; | ||
| float t13 = n13 * n24 * n42 - n14 * n23 * n42 + n14 * n22 * n43 - n12 * n24 * n43 - n13 * n22 * n44 + n12 * n23 * n44; | ||
| float t14 = n14 * n23 * n32 - n13 * n24 * n32 - n14 * n22 * n33 + n12 * n24 * n33 + n13 * n22 * n34 - n12 * n23 * n34; | ||
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| float det = determinant(m); | ||
| float idet = 1.0f / det; | ||
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| float4x4 ret; | ||
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| ret[0][0] = t11 * idet; | ||
| ret[0][1] = (n24 * n33 * n41 - n23 * n34 * n41 - n24 * n31 * n43 + n21 * n34 * n43 + n23 * n31 * n44 - n21 * n33 * n44) * idet; | ||
| ret[0][2] = (n22 * n34 * n41 - n24 * n32 * n41 + n24 * n31 * n42 - n21 * n34 * n42 - n22 * n31 * n44 + n21 * n32 * n44) * idet; | ||
| ret[0][3] = (n23 * n32 * n41 - n22 * n33 * n41 - n23 * n31 * n42 + n21 * n33 * n42 + n22 * n31 * n43 - n21 * n32 * n43) * idet; | ||
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| ret[1][0] = t12 * idet; | ||
| ret[1][1] = (n13 * n34 * n41 - n14 * n33 * n41 + n14 * n31 * n43 - n11 * n34 * n43 - n13 * n31 * n44 + n11 * n33 * n44) * idet; | ||
| ret[1][2] = (n14 * n32 * n41 - n12 * n34 * n41 - n14 * n31 * n42 + n11 * n34 * n42 + n12 * n31 * n44 - n11 * n32 * n44) * idet; | ||
| ret[1][3] = (n12 * n33 * n41 - n13 * n32 * n41 + n13 * n31 * n42 - n11 * n33 * n42 - n12 * n31 * n43 + n11 * n32 * n43) * idet; | ||
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| ret[2][0] = t13 * idet; | ||
| ret[2][1] = (n14 * n23 * n41 - n13 * n24 * n41 - n14 * n21 * n43 + n11 * n24 * n43 + n13 * n21 * n44 - n11 * n23 * n44) * idet; | ||
| ret[2][2] = (n12 * n24 * n41 - n14 * n22 * n41 + n14 * n21 * n42 - n11 * n24 * n42 - n12 * n21 * n44 + n11 * n22 * n44) * idet; | ||
| ret[2][3] = (n13 * n22 * n41 - n12 * n23 * n41 - n13 * n21 * n42 + n11 * n23 * n42 + n12 * n21 * n43 - n11 * n22 * n43) * idet; | ||
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| ret[3][0] = t14 * idet; | ||
| ret[3][1] = (n13 * n24 * n31 - n14 * n23 * n31 + n14 * n21 * n33 - n11 * n24 * n33 - n13 * n21 * n34 + n11 * n23 * n34) * idet; | ||
| ret[3][2] = (n14 * n22 * n31 - n12 * n24 * n31 - n14 * n21 * n32 + n11 * n24 * n32 + n12 * n21 * n34 - n11 * n22 * n34) * idet; | ||
| ret[3][3] = (n12 * n23 * n31 - n13 * n22 * n31 + n13 * n21 * n32 - n11 * n23 * n32 - n12 * n21 * n33 + n11 * n22 * n33) * idet; | ||
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| return ret; | ||
| } | ||
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| template<class T1, class T2> | ||
| T1 mod(T1 x, T2 y) | ||
| { | ||
| return x - y * floor(x/y); | ||
| } | ||
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| template <typename T> | ||
| T atan(T y_over_x) { return ::atan(y_over_x); } | ||
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| template <typename T> | ||
| T atan(T y, T x) { return ::atan2(y, x); } | ||
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| #define lessThan(a, b) ((a) < (b)) | ||
| #define lessThanEqual(a, b) ((a) <= (b)) | ||
| #define greaterThan(a, b) ((a) > (b)) | ||
| #define greaterThanEqual(a, b) ((a) >= (b)) | ||
| #define equal(a, b) ((a) == (b)) | ||
| #define notEqual(a, b) ((a) != (b)) | ||
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| #endif |
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