83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#include "scene/image_sky.h"
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#include "sky_model.h"
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#include "util/image.h"
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#include "util/log.h"
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#include "util/path.h"
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#include "util/task.h"
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CCL_NAMESPACE_BEGIN
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SkyLoader::SkyLoader(float sun_elevation,
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float altitude,
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float air_density,
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float dust_density,
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float ozone_density)
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: sun_elevation(sun_elevation),
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altitude(altitude),
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air_density(air_density),
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dust_density(dust_density),
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ozone_density(ozone_density)
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{
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}
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SkyLoader::~SkyLoader(){};
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bool SkyLoader::load_metadata(const ImageDeviceFeatures &, ImageMetaData &metadata)
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{
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metadata.width = 512;
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metadata.height = 128;
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metadata.channels = 3;
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metadata.depth = 1;
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metadata.type = IMAGE_DATA_TYPE_FLOAT4;
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metadata.compress_as_srgb = false;
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return true;
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}
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bool SkyLoader::load_pixels(const ImageMetaData &metadata,
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void *pixels,
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const size_t /*pixels_size*/,
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const bool /*associate_alpha*/)
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{
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/* definitions */
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int width = metadata.width;
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int height = metadata.height;
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float *pixel_data = (float *)pixels;
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/* precompute sky texture */
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const int rows_per_task = divide_up(1024, width);
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parallel_for(blocked_range<size_t>(0, height, rows_per_task),
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[&](const blocked_range<size_t> &r) {
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SKY_nishita_skymodel_precompute_texture(pixel_data,
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metadata.channels,
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r.begin(),
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r.end(),
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width,
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height,
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sun_elevation,
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altitude,
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air_density,
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dust_density,
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ozone_density);
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});
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return true;
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}
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string SkyLoader::name() const
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{
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return "sky_nishita";
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}
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bool SkyLoader::equals(const ImageLoader & /*other*/) const
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{
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return false;
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}
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CCL_NAMESPACE_END
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