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path: root/intern/cycles/render/image_oiio.cpp
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Diffstat (limited to 'intern/cycles/render/image_oiio.cpp')
-rw-r--r--intern/cycles/render/image_oiio.cpp238
1 files changed, 0 insertions, 238 deletions
diff --git a/intern/cycles/render/image_oiio.cpp b/intern/cycles/render/image_oiio.cpp
deleted file mode 100644
index 4867efe6ac0..00000000000
--- a/intern/cycles/render/image_oiio.cpp
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Copyright 2011-2020 Blender Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "render/image_oiio.h"
-
-#include "util/util_image.h"
-#include "util/util_logging.h"
-#include "util/util_path.h"
-
-CCL_NAMESPACE_BEGIN
-
-OIIOImageLoader::OIIOImageLoader(const string &filepath) : filepath(filepath)
-{
-}
-
-OIIOImageLoader::~OIIOImageLoader()
-{
-}
-
-bool OIIOImageLoader::load_metadata(const ImageDeviceFeatures &features, ImageMetaData &metadata)
-{
- /* Perform preliminary checks, with meaningful logging. */
- if (!path_exists(filepath.string())) {
- VLOG(1) << "File '" << filepath.string() << "' does not exist.";
- return false;
- }
- if (path_is_directory(filepath.string())) {
- VLOG(1) << "File '" << filepath.string() << "' is a directory, can't use as image.";
- return false;
- }
-
- unique_ptr<ImageInput> in(ImageInput::create(filepath.string()));
-
- if (!in) {
- return false;
- }
-
- ImageSpec spec;
- if (!in->open(filepath.string(), spec)) {
- return false;
- }
-
- metadata.width = spec.width;
- metadata.height = spec.height;
- metadata.depth = spec.depth;
- metadata.compress_as_srgb = false;
-
- /* Check the main format, and channel formats. */
- size_t channel_size = spec.format.basesize();
-
- bool is_float = false;
- bool is_half = false;
-
- if (spec.format.is_floating_point()) {
- is_float = true;
- }
-
- for (size_t channel = 0; channel < spec.channelformats.size(); channel++) {
- channel_size = max(channel_size, spec.channelformats[channel].basesize());
- if (spec.channelformats[channel].is_floating_point()) {
- is_float = true;
- }
- }
-
- /* check if it's half float */
- if (spec.format == TypeDesc::HALF && features.has_half_float) {
- is_half = true;
- }
-
- /* set type and channels */
- metadata.channels = spec.nchannels;
-
- if (is_half) {
- metadata.type = (metadata.channels > 1) ? IMAGE_DATA_TYPE_HALF4 : IMAGE_DATA_TYPE_HALF;
- }
- else if (is_float) {
- metadata.type = (metadata.channels > 1) ? IMAGE_DATA_TYPE_FLOAT4 : IMAGE_DATA_TYPE_FLOAT;
- }
- else if (spec.format == TypeDesc::USHORT) {
- metadata.type = (metadata.channels > 1) ? IMAGE_DATA_TYPE_USHORT4 : IMAGE_DATA_TYPE_USHORT;
- }
- else {
- metadata.type = (metadata.channels > 1) ? IMAGE_DATA_TYPE_BYTE4 : IMAGE_DATA_TYPE_BYTE;
- }
-
- metadata.colorspace_file_format = in->format_name();
-
- in->close();
-
- return true;
-}
-
-template<TypeDesc::BASETYPE FileFormat, typename StorageType>
-static void oiio_load_pixels(const ImageMetaData &metadata,
- const unique_ptr<ImageInput> &in,
- StorageType *pixels)
-{
- const int width = metadata.width;
- const int height = metadata.height;
- const int depth = metadata.depth;
- const int components = metadata.channels;
-
- /* Read pixels through OpenImageIO. */
- StorageType *readpixels = pixels;
- vector<StorageType> tmppixels;
- if (components > 4) {
- tmppixels.resize(((size_t)width) * height * components);
- readpixels = &tmppixels[0];
- }
-
- if (depth <= 1) {
- size_t scanlinesize = ((size_t)width) * components * sizeof(StorageType);
- in->read_image(FileFormat,
- (uchar *)readpixels + (height - 1) * scanlinesize,
- AutoStride,
- -scanlinesize,
- AutoStride);
- }
- else {
- in->read_image(FileFormat, (uchar *)readpixels);
- }
-
- if (components > 4) {
- size_t dimensions = ((size_t)width) * height;
- for (size_t i = dimensions - 1, pixel = 0; pixel < dimensions; pixel++, i--) {
- pixels[i * 4 + 3] = tmppixels[i * components + 3];
- pixels[i * 4 + 2] = tmppixels[i * components + 2];
- pixels[i * 4 + 1] = tmppixels[i * components + 1];
- pixels[i * 4 + 0] = tmppixels[i * components + 0];
- }
- tmppixels.clear();
- }
-
- /* CMYK to RGBA. */
- const bool cmyk = strcmp(in->format_name(), "jpeg") == 0 && components == 4;
- if (cmyk) {
- const StorageType one = util_image_cast_from_float<StorageType>(1.0f);
-
- const size_t num_pixels = ((size_t)width) * height * depth;
- for (size_t i = num_pixels - 1, pixel = 0; pixel < num_pixels; pixel++, i--) {
- float c = util_image_cast_to_float(pixels[i * 4 + 0]);
- float m = util_image_cast_to_float(pixels[i * 4 + 1]);
- float y = util_image_cast_to_float(pixels[i * 4 + 2]);
- float k = util_image_cast_to_float(pixels[i * 4 + 3]);
- pixels[i * 4 + 0] = util_image_cast_from_float<StorageType>((1.0f - c) * (1.0f - k));
- pixels[i * 4 + 1] = util_image_cast_from_float<StorageType>((1.0f - m) * (1.0f - k));
- pixels[i * 4 + 2] = util_image_cast_from_float<StorageType>((1.0f - y) * (1.0f - k));
- pixels[i * 4 + 3] = one;
- }
- }
-}
-
-bool OIIOImageLoader::load_pixels(const ImageMetaData &metadata,
- void *pixels,
- const size_t,
- const bool associate_alpha)
-{
- unique_ptr<ImageInput> in = NULL;
-
- /* NOTE: Error logging is done in meta data acquisition. */
- if (!path_exists(filepath.string()) || path_is_directory(filepath.string())) {
- return false;
- }
-
- /* load image from file through OIIO */
- in = unique_ptr<ImageInput>(ImageInput::create(filepath.string()));
- if (!in) {
- return false;
- }
-
- ImageSpec spec = ImageSpec();
- ImageSpec config = ImageSpec();
-
- if (!associate_alpha) {
- config.attribute("oiio:UnassociatedAlpha", 1);
- }
-
- if (!in->open(filepath.string(), spec, config)) {
- return false;
- }
-
- switch (metadata.type) {
- case IMAGE_DATA_TYPE_BYTE:
- case IMAGE_DATA_TYPE_BYTE4:
- oiio_load_pixels<TypeDesc::UINT8, uchar>(metadata, in, (uchar *)pixels);
- break;
- case IMAGE_DATA_TYPE_USHORT:
- case IMAGE_DATA_TYPE_USHORT4:
- oiio_load_pixels<TypeDesc::USHORT, uint16_t>(metadata, in, (uint16_t *)pixels);
- break;
- case IMAGE_DATA_TYPE_HALF:
- case IMAGE_DATA_TYPE_HALF4:
- oiio_load_pixels<TypeDesc::HALF, half>(metadata, in, (half *)pixels);
- break;
- case IMAGE_DATA_TYPE_FLOAT:
- case IMAGE_DATA_TYPE_FLOAT4:
- oiio_load_pixels<TypeDesc::FLOAT, float>(metadata, in, (float *)pixels);
- break;
- case IMAGE_DATA_TYPE_NANOVDB_FLOAT:
- case IMAGE_DATA_TYPE_NANOVDB_FLOAT3:
- case IMAGE_DATA_NUM_TYPES:
- break;
- }
-
- in->close();
- return true;
-}
-
-string OIIOImageLoader::name() const
-{
- return path_filename(filepath.string());
-}
-
-ustring OIIOImageLoader::osl_filepath() const
-{
- return filepath;
-}
-
-bool OIIOImageLoader::equals(const ImageLoader &other) const
-{
- const OIIOImageLoader &other_loader = (const OIIOImageLoader &)other;
- return filepath == other_loader.filepath;
-}
-
-CCL_NAMESPACE_END
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