diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl')
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl b/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl index 40eb3da42d1..9b852a57ec4 100644 --- a/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/volumetric_lib.glsl @@ -1,4 +1,8 @@ +#pragma BLENDER_REQUIRE(lights_lib.glsl) +#pragma BLENDER_REQUIRE(lightprobe_lib.glsl) +#pragma BLENDER_REQUIRE(irradiance_lib.glsl) + /* Based on Frosbite Unified Volumetric. * https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite */ @@ -58,7 +62,6 @@ float phase_function(vec3 v, vec3 l, float g) return (1 - sqr_g) / max(1e-8, 4.0 * M_PI * pow(1 + sqr_g - 2 * g * cos_theta, 3.0 / 2.0)); } -#ifdef LAMPS_LIB vec3 light_volume(LightData ld, vec4 l_vector) { float power; @@ -95,7 +98,7 @@ vec3 light_volume(LightData ld, vec4 l_vector) return tint * lum; } -# define VOLUMETRIC_SHADOW_MAX_STEP 32.0 +#define VOLUMETRIC_SHADOW_MAX_STEP 32.0 vec3 participating_media_extinction(vec3 wpos, sampler3D volume_extinction) { @@ -109,7 +112,7 @@ vec3 participating_media_extinction(vec3 wpos, sampler3D volume_extinction) vec3 light_volume_shadow(LightData ld, vec3 ray_wpos, vec4 l_vector, sampler3D volume_extinction) { -# if defined(VOLUME_SHADOW) +#if defined(VOLUME_SHADOW) /* Heterogeneous volume shadows */ float dd = l_vector.w / volShadowSteps; vec3 L = l_vector.xyz * l_vector.w; @@ -120,27 +123,24 @@ vec3 light_volume_shadow(LightData ld, vec3 ray_wpos, vec4 l_vector, sampler3D v shadow *= exp(-s_extinction * dd); } return shadow; -# else +#else return vec3(1.0); -# endif /* VOLUME_SHADOW */ +#endif /* VOLUME_SHADOW */ } -#endif -#ifdef IRRADIANCE_LIB vec3 irradiance_volumetric(vec3 wpos) { -# ifdef IRRADIANCE_HL2 +#ifdef IRRADIANCE_HL2 IrradianceData ir_data = load_irradiance_cell(0, vec3(1.0)); vec3 irradiance = ir_data.cubesides[0] + ir_data.cubesides[1] + ir_data.cubesides[2]; ir_data = load_irradiance_cell(0, vec3(-1.0)); irradiance += ir_data.cubesides[0] + ir_data.cubesides[1] + ir_data.cubesides[2]; irradiance *= 0.16666666; /* 1/6 */ return irradiance; -# else +#else return vec3(0.0); -# endif -} #endif +} uniform sampler3D inScattering; uniform sampler3D inTransmittance; |