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/*
* Copyright 2011-2013 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.
*/
#ifndef __IMAGE_H__
#define __IMAGE_H__
#include "device/device.h"
#include "device/device_memory.h"
#include "render/colorspace.h"
#include "util/util_image.h"
#include "util/util_string.h"
#include "util/util_thread.h"
#include "util/util_unique_ptr.h"
#include "util/util_vector.h"
CCL_NAMESPACE_BEGIN
class Device;
class Progress;
class RenderStats;
class Scene;
class ColorSpaceProcessor;
class ImageMetaData {
public:
/* Must be set by image file or builtin callback. */
bool is_float, is_half;
int channels;
size_t width, height, depth;
bool builtin_free_cache;
/* Automatically set. */
ImageDataType type;
ustring colorspace;
bool compress_as_srgb;
ImageMetaData()
: is_float(false),
is_half(false),
channels(0),
width(0),
height(0),
depth(0),
builtin_free_cache(false),
type((ImageDataType)0),
colorspace(u_colorspace_raw),
compress_as_srgb(false)
{
}
bool operator==(const ImageMetaData &other) const
{
return is_float == other.is_float && is_half == other.is_half && channels == other.channels &&
width == other.width && height == other.height && depth == other.depth &&
type == other.type && colorspace == other.colorspace &&
compress_as_srgb == other.compress_as_srgb;
}
};
class ImageKey {
public:
string filename;
void *builtin_data;
bool animated;
InterpolationType interpolation;
ExtensionType extension;
ImageAlphaType alpha_type;
ustring colorspace;
ImageKey()
: builtin_data(NULL),
animated(false),
interpolation(INTERPOLATION_LINEAR),
extension(EXTENSION_CLIP),
alpha_type(IMAGE_ALPHA_AUTO),
colorspace(u_colorspace_raw)
{
}
bool operator==(const ImageKey &other) const
{
return (filename == other.filename && builtin_data == other.builtin_data &&
animated == other.animated && interpolation == other.interpolation &&
extension == other.extension && alpha_type == other.alpha_type &&
colorspace == other.colorspace);
}
};
class ImageManager {
public:
explicit ImageManager(const DeviceInfo &info);
~ImageManager();
int add_image(const ImageKey &key, float frame, ImageMetaData &metadata);
void add_image_user(int flat_slot);
void remove_image(int flat_slot);
void remove_image(const ImageKey &key);
void tag_reload_image(const ImageKey &key);
bool get_image_metadata(const ImageKey &key, ImageMetaData &metadata);
bool get_image_metadata(int flat_slot, ImageMetaData &metadata);
void device_update(Device *device, Scene *scene, Progress &progress);
void device_update_slot(Device *device, Scene *scene, int flat_slot, Progress *progress);
void device_free(Device *device);
void device_load_builtin(Device *device, Scene *scene, Progress &progress);
void device_free_builtin(Device *device);
void set_osl_texture_system(void *texture_system);
bool set_animation_frame_update(int frame);
device_memory *image_memory(int flat_slot);
void collect_statistics(RenderStats *stats);
bool need_update;
/* NOTE: Here pixels_size is a size of storage, which equals to
* width * height * depth.
* Use this to avoid some nasty memory corruptions.
*/
function<void(const string &filename, void *data, ImageMetaData &metadata)>
builtin_image_info_cb;
function<bool(const string &filename,
void *data,
int tile,
unsigned char *pixels,
const size_t pixels_size,
const bool associate_alpha,
const bool free_cache)>
builtin_image_pixels_cb;
function<bool(const string &filename,
void *data,
int tile,
float *pixels,
const size_t pixels_size,
const bool associate_alpha,
const bool free_cache)>
builtin_image_float_pixels_cb;
struct Image {
ImageKey key;
ImageMetaData metadata;
float frame;
bool need_load;
string mem_name;
device_memory *mem;
int users;
};
private:
int tex_num_images[IMAGE_DATA_NUM_TYPES];
int max_num_images;
bool has_half_images;
thread_mutex device_mutex;
int animation_frame;
vector<Image *> images[IMAGE_DATA_NUM_TYPES];
void *osl_texture_system;
bool file_load_image_generic(Image *img, unique_ptr<ImageInput> *in);
template<TypeDesc::BASETYPE FileFormat, typename StorageType, typename DeviceType>
bool file_load_image(Image *img,
ImageDataType type,
int texture_limit,
device_vector<DeviceType> &tex_img);
void metadata_detect_colorspace(ImageMetaData &metadata, const char *file_format);
void device_load_image(
Device *device, Scene *scene, ImageDataType type, int slot, Progress *progress);
void device_free_image(Device *device, ImageDataType type, int slot);
};
CCL_NAMESPACE_END
#endif /* __IMAGE_H__ */
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