diff options
author | Lukas Stockner <lukas.stockner@freenet.de> | 2020-07-13 02:49:25 +0300 |
---|---|---|
committer | Lukas Stockner <lukas.stockner@freenet.de> | 2020-07-13 04:08:11 +0300 |
commit | 41e6f9bd437cb5f23dd6a8ad41c6142b0520f65d (patch) | |
tree | 6bdc12625e7ed2f47d3ac93fa3362a514abc8d8a /intern/cycles | |
parent | e2736afdbefde486bc051627dbedeaa28cdb972e (diff) |
Cycles: Add control for sun intensity in Sky Texture and change altitude to km
Differential Revision: https://developer.blender.org/D8091
Diffstat (limited to 'intern/cycles')
-rw-r--r-- | intern/cycles/blender/blender_shader.cpp | 3 | ||||
-rw-r--r-- | intern/cycles/kernel/shaders/node_sky_texture.osl | 34 | ||||
-rw-r--r-- | intern/cycles/kernel/svm/svm_sky.h | 10 | ||||
-rw-r--r-- | intern/cycles/render/image_sky.cpp | 10 | ||||
-rw-r--r-- | intern/cycles/render/image_sky.h | 4 | ||||
-rw-r--r-- | intern/cycles/render/nodes.cpp | 21 | ||||
-rw-r--r-- | intern/cycles/render/nodes.h | 3 |
7 files changed, 50 insertions, 35 deletions
diff --git a/intern/cycles/blender/blender_shader.cpp b/intern/cycles/blender/blender_shader.cpp index 19d2730dc93..33e73b5a4b9 100644 --- a/intern/cycles/blender/blender_shader.cpp +++ b/intern/cycles/blender/blender_shader.cpp @@ -815,9 +815,10 @@ static ShaderNode *add_node(Scene *scene, sky->ground_albedo = b_sky_node.ground_albedo(); sky->sun_disc = b_sky_node.sun_disc(); sky->sun_size = b_sky_node.sun_size(); + sky->sun_intensity = b_sky_node.sun_intensity(); sky->sun_elevation = b_sky_node.sun_elevation(); sky->sun_rotation = b_sky_node.sun_rotation(); - sky->altitude = b_sky_node.altitude(); + sky->altitude = 1000.0f * b_sky_node.altitude(); sky->air_density = b_sky_node.air_density(); sky->dust_density = b_sky_node.dust_density(); sky->ozone_density = b_sky_node.ozone_density(); diff --git a/intern/cycles/kernel/shaders/node_sky_texture.osl b/intern/cycles/kernel/shaders/node_sky_texture.osl index 20d379939ab..cbb37effc9d 100644 --- a/intern/cycles/kernel/shaders/node_sky_texture.osl +++ b/intern/cycles/kernel/shaders/node_sky_texture.osl @@ -127,12 +127,13 @@ float precise_angle(vector a, vector b) return 2.0 * atan2(length(a - b), length(a + b)); } -color sky_radiance_nishita(vector dir, float nishita_data[9], string filename) +color sky_radiance_nishita(vector dir, float nishita_data[10], string filename) { /* definitions */ float sun_elevation = nishita_data[6]; float sun_rotation = nishita_data[7]; float angular_diameter = nishita_data[8]; + float sun_intensity = nishita_data[9]; int sun_disc = angular_diameter > 0; float alpha = 1.0; color xyz; @@ -158,13 +159,13 @@ color sky_radiance_nishita(vector dir, float nishita_data[9], string filename) if (sun_elevation - half_angular > 0.0) { if ((sun_elevation + half_angular) > 0.0) { y = ((dir_elevation - sun_elevation) / angular_diameter) + 0.5; - xyz = mix(pixel_bottom, pixel_top, y); + xyz = mix(pixel_bottom, pixel_top, y) * sun_intensity; } } else { if (sun_elevation + half_angular > 0.0) { y = dir_elevation / (sun_elevation + half_angular); - xyz = mix(pixel_bottom, pixel_top, y); + xyz = mix(pixel_bottom, pixel_top, y) * sun_intensity; } } /* limb darkening, coefficient is 0.6f */ @@ -206,19 +207,20 @@ color sky_radiance_nishita(vector dir, float nishita_data[9], string filename) return xyz_to_rgb(xyz[0], xyz[1], xyz[2]) * 120000.0; } -shader node_sky_texture(int use_mapping = 0, - matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), - vector Vector = P, - string type = "hosek_wilkie", - float theta = 0.0, - float phi = 0.0, - string filename = "", - color radiance = color(0.0, 0.0, 0.0), - float config_x[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, - float config_y[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, - float config_z[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, - float nishita_data[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, - output color Color = color(0.0, 0.0, 0.0)) +shader node_sky_texture( + int use_mapping = 0, + matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), + vector Vector = P, + string type = "hosek_wilkie", + float theta = 0.0, + float phi = 0.0, + string filename = "", + color radiance = color(0.0, 0.0, 0.0), + float config_x[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, + float config_y[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, + float config_z[9] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, + float nishita_data[10] = {0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}, + output color Color = color(0.0, 0.0, 0.0)) { vector p = Vector; diff --git a/intern/cycles/kernel/svm/svm_sky.h b/intern/cycles/kernel/svm/svm_sky.h index 214c0cd1a9a..45b76fab007 100644 --- a/intern/cycles/kernel/svm/svm_sky.h +++ b/intern/cycles/kernel/svm/svm_sky.h @@ -136,6 +136,7 @@ ccl_device float3 sky_radiance_nishita(KernelGlobals *kg, float sun_elevation = nishita_data[6]; float sun_rotation = nishita_data[7]; float angular_diameter = nishita_data[8]; + float sun_intensity = nishita_data[9]; bool sun_disc = (angular_diameter > 0.0f); float3 xyz; /* convert dir to spherical coordinates */ @@ -160,13 +161,13 @@ ccl_device float3 sky_radiance_nishita(KernelGlobals *kg, if (sun_elevation - half_angular > 0.0f) { if (sun_elevation + half_angular > 0.0f) { y = ((dir_elevation - sun_elevation) / angular_diameter) + 0.5f; - xyz = interp(pixel_bottom, pixel_top, y); + xyz = interp(pixel_bottom, pixel_top, y) * sun_intensity; } } else { if (sun_elevation + half_angular > 0.0f) { y = dir_elevation / (sun_elevation + half_angular); - xyz = interp(pixel_bottom, pixel_top, y); + xyz = interp(pixel_bottom, pixel_top, y) * sun_intensity; } } /* limb darkening, coefficient is 0.6f */ @@ -301,7 +302,7 @@ ccl_device void svm_node_tex_sky( /* Nishita */ else { /* Define variables */ - float nishita_data[9]; + float nishita_data[10]; float4 data = read_node_float(kg, offset); nishita_data[0] = data.x; @@ -317,7 +318,8 @@ ccl_device void svm_node_tex_sky( data = read_node_float(kg, offset); nishita_data[8] = data.x; - uint texture_id = __float_as_uint(data.y); + nishita_data[9] = data.y; + uint texture_id = __float_as_uint(data.z); /* Compute Sky */ f = sky_radiance_nishita(kg, dir, nishita_data, texture_id); diff --git a/intern/cycles/render/image_sky.cpp b/intern/cycles/render/image_sky.cpp index 24d4834c2fa..0560907c63e 100644 --- a/intern/cycles/render/image_sky.cpp +++ b/intern/cycles/render/image_sky.cpp @@ -25,8 +25,11 @@ CCL_NAMESPACE_BEGIN -SkyLoader::SkyLoader( - float sun_elevation, int altitude, float air_density, float dust_density, float ozone_density) +SkyLoader::SkyLoader(float sun_elevation, + float altitude, + float air_density, + float dust_density, + float ozone_density) : sun_elevation(sun_elevation), altitude(altitude), air_density(air_density), @@ -57,7 +60,6 @@ bool SkyLoader::load_pixels(const ImageMetaData &metadata, int width = metadata.width; int height = metadata.height; float *pixel_data = (float *)pixels; - float altitude_f = (float)altitude; /* precompute sky texture */ const int rows_per_task = divide_up(1024, width); @@ -70,7 +72,7 @@ bool SkyLoader::load_pixels(const ImageMetaData &metadata, width, height, sun_elevation, - altitude_f, + altitude, air_density, dust_density, ozone_density); diff --git a/intern/cycles/render/image_sky.h b/intern/cycles/render/image_sky.h index cf4a3e8942c..686f4e5b885 100644 --- a/intern/cycles/render/image_sky.h +++ b/intern/cycles/render/image_sky.h @@ -21,14 +21,14 @@ CCL_NAMESPACE_BEGIN class SkyLoader : public ImageLoader { private: float sun_elevation; - int altitude; + float altitude; float air_density; float dust_density; float ozone_density; public: SkyLoader(float sun_elevation, - int altitude, + float altitude, float air_density, float dust_density, float ozone_density); diff --git a/intern/cycles/render/nodes.cpp b/intern/cycles/render/nodes.cpp index e6c05b0b75e..bc2384f2955 100644 --- a/intern/cycles/render/nodes.cpp +++ b/intern/cycles/render/nodes.cpp @@ -632,7 +632,7 @@ typedef struct SunSky { /* Parameter */ float radiance_x, radiance_y, radiance_z; - float config_x[9], config_y[9], config_z[9], nishita_data[9]; + float config_x[9], config_y[9], config_z[9], nishita_data[10]; } SunSky; /* Preetham model */ @@ -749,18 +749,18 @@ static void sky_texture_precompute_hosek(SunSky *sunsky, static void sky_texture_precompute_nishita(SunSky *sunsky, bool sun_disc, float sun_size, + float sun_intensity, float sun_elevation, float sun_rotation, - int altitude, + float altitude, float air_density, float dust_density) { /* sample 2 sun pixels */ float pixel_bottom[3]; float pixel_top[3]; - float altitude_f = (float)altitude; SKY_nishita_skymodel_precompute_sun( - sun_elevation, sun_size, altitude_f, air_density, dust_density, pixel_bottom, pixel_top); + sun_elevation, sun_size, altitude, air_density, dust_density, pixel_bottom, pixel_top); /* limit sun rotation between 0 and 360 degrees */ sun_rotation = fmodf(sun_rotation, M_2PI_F); if (sun_rotation < 0.0f) { @@ -777,6 +777,7 @@ static void sky_texture_precompute_nishita(SunSky *sunsky, sunsky->nishita_data[6] = sun_elevation; sunsky->nishita_data[7] = sun_rotation; sunsky->nishita_data[8] = sun_disc ? sun_size : 0.0f; + sunsky->nishita_data[9] = sun_intensity; } NODE_DEFINE(SkyTextureNode) @@ -796,9 +797,10 @@ NODE_DEFINE(SkyTextureNode) SOCKET_FLOAT(ground_albedo, "Ground Albedo", 0.3f); SOCKET_BOOLEAN(sun_disc, "Sun Disc", true); SOCKET_FLOAT(sun_size, "Sun Size", 0.009512f); + SOCKET_FLOAT(sun_intensity, "Sun Intensity", 1.0f); SOCKET_FLOAT(sun_elevation, "Sun Elevation", M_PI_2_F); SOCKET_FLOAT(sun_rotation, "Sun Rotation", 0.0f); - SOCKET_INT(altitude, "Altitude", 0); + SOCKET_FLOAT(altitude, "Altitude", 1.0f); SOCKET_FLOAT(air_density, "Air", 1.0f); SOCKET_FLOAT(dust_density, "Dust", 1.0f); SOCKET_FLOAT(ozone_density, "Ozone", 1.0f); @@ -829,6 +831,7 @@ void SkyTextureNode::compile(SVMCompiler &compiler) sky_texture_precompute_nishita(&sunsky, sun_disc, sun_size, + sun_intensity, sun_elevation, sun_rotation, altitude, @@ -898,7 +901,10 @@ void SkyTextureNode::compile(SVMCompiler &compiler) __float_as_uint(sunsky.nishita_data[5]), __float_as_uint(sunsky.nishita_data[6]), __float_as_uint(sunsky.nishita_data[7])); - compiler.add_node(__float_as_uint(sunsky.nishita_data[8]), handle.svm_slot(), 0, 0); + compiler.add_node(__float_as_uint(sunsky.nishita_data[8]), + __float_as_uint(sunsky.nishita_data[9]), + handle.svm_slot(), + 0); } tex_mapping.compile_end(compiler, vector_in, vector_offset); @@ -917,6 +923,7 @@ void SkyTextureNode::compile(OSLCompiler &compiler) sky_texture_precompute_nishita(&sunsky, sun_disc, sun_size, + sun_intensity, sun_elevation, sun_rotation, altitude, @@ -946,7 +953,7 @@ void SkyTextureNode::compile(OSLCompiler &compiler) compiler.parameter_array("config_x", sunsky.config_x, 9); compiler.parameter_array("config_y", sunsky.config_y, 9); compiler.parameter_array("config_z", sunsky.config_z, 9); - compiler.parameter_array("nishita_data", sunsky.nishita_data, 9); + compiler.parameter_array("nishita_data", sunsky.nishita_data, 10); /* nishita texture */ if (type == NODE_SKY_NISHITA) { compiler.parameter_texture("filename", handle.svm_slot()); diff --git a/intern/cycles/render/nodes.h b/intern/cycles/render/nodes.h index 846ba7423e5..326f1d14168 100644 --- a/intern/cycles/render/nodes.h +++ b/intern/cycles/render/nodes.h @@ -170,9 +170,10 @@ class SkyTextureNode : public TextureNode { float ground_albedo; bool sun_disc; float sun_size; + float sun_intensity; float sun_elevation; float sun_rotation; - int altitude; + float altitude; float air_density; float dust_density; float ozone_density; |