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Fix error and warnings introduced in commit 8851790dd733. Include
unistd.h for close() on Non-Windows OSs. Calm warnings about unused
argument. Return full size of image file to caller.
Own Code.
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Thumbnail WebP images quicker while using much less RAM.
See D15908 for more details.
Differential Revision: https://developer.blender.org/D15908
Reviewed by Brecht Van Lommel
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The stereo saving code that combines two image buffers into one did not work
correctly when the number of channels is not equal to 4.
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Also replace strncpy+strcat with BLI_string_join
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This is done by checking the number of bitplanes from the image buffer.
We assume that for float buffer to use the same bitplanes as it was a
byte buffer.
Then, the data of the image buffer is packed at the start of the `rect` or
`float_rect` before upload.
**Statistics - einar.v004.blend **
Note that not all grayscale textures have been stored as BW images so the
amount of memory that can be reduced would be more.
Without patch
```
104 Textures - 3294.99 MB (3294.47 MB over 32x32), 37 RTs - 192.52 MB.
Avg. tex dimension: 2201.88x1253.51 (2283.53x2202.13 over 32x32)
464 Buffers - 25.01 MB total 1.24 MB IBs 23.50 MB VBs.
3512.52 MB - Grand total GPU buffer + texture load
```
Patch applied
```
104 Textures - 2917.66 MB (2917.14 MB over 32x32), 39 RTs - 215.45 MB.
Avg. tex dimension: 2221.38x1252.75 (2323.28x2253.47 over 32x32)
467 Buffers - 25.01 MB total 1.24 MB IBs 23.51 MB VBs.
3158.13 MB - Grand total GPU buffer + texture load.
```
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D15484
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This patch implements the following nodes for the realtime compositor:
- Alpha over node.
- Bright contrast node.
- Color balance node.
- Color correction node.
- Exposure node.
- Gamma node.
- Hue correct node.
- Hue saturation value node.
- Invert node.
- Mix node.
- Posterize node.
- Time curve node.
- Vector curve node.
Differential Revision: https://developer.blender.org/D15228
Reviewed By: Clement Foucault
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Add IMB_gpu_get_texture_format and GPU_texture_format_description to
retrieve and 'stringify' an eGPUTextureFormat. These are then used in the
image info panel used in several areas across blender.
New Information:
{F13330937}
Reviewed By: jbakker
Maniphest Tasks: T99998
Differential Revision: https://developer.blender.org/D15575
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Make the update logic consistent with the case where the initial texture is
created. Also fixes a wrong assert.
Thanks Clément for spotting this.
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Reviewed By: Richard Antalik
Differential Revision: http://developer.blender.org/D15376
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From quick look it doesn't seem to be leading to real issues yet as the
image buffers are created with the default roles, but valid color space
is needed to be ensured for an upcoming development.
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Variable frame rate (VFR) files have been difficult to work with.
This is because during sequential decoding, spacing between frames is
not always equal, but it was assumed to be equal. This can result in
movie getting out of sync with sound and difference between preview and
rendered image. A way to resolve these issues was to build and use
timecodes which is quite lengthy and resource intensive process. Such
issues are also difficult to communicate through UI because it is not
possible to predict if timecode usage would be needed.
With this patch, double buffer is used to keep previously decoded frame.
If current frame has PTS greater than what we are looking for, it is not
time to display it yet, and previous frame is displayed instead.
Each `AVFrame` has information about it's duration, so in theory double
buffering would not be needed, but in practice this information is
unreliable.
To ensure double buffer is always used, function
`ffmpeg_decode_video_frame_scan` is used for sequential decoding, even
if no scanning is expected.
This approach is similar to D6392, but this implementation does not
require seeking so it is much faster. Currently `AVFrame` is only
referenced, so no data is copied and therefore no overhead is added.
Note: There is one known issue where seeking fails even with double
buffering: Some files may seek too far in stream and miss requested
PTS. These require preseeking or greater negative subframe offset
Fixes: T86361, T72347
Reviewed By: zeddb, sergey
Differential Revision: https://developer.blender.org/D13583
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Mainly duplicate includes and else after return.
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Same as in Cycles, this is needed for some color space conversions that don't
compress well to byte sRGB, like for example Filmic sRGB.
Ref T68926
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full scaled image isn't used anymore. It was added to use a different scale when
displaying an image in the image editor. This was replaced by the image engine
redesign.
This change will reduce complexity of {T98375}.
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* Port over new code tables from Cycles
* Convert Rec.709 to scene linear for lookup table.
* Move code for wavelength and blackbody to IMB so they can access the
required transforms, which are not in blenlib.
* Remove clamping from blackbody shader to bypass the texture read.
Since it's variable now easiest to just always read from the texture
than pass additional parameters.
* Fold XYZ to RGB conversion into the wavelength table.
Ref T68926
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* Rename ambiguous rgb to scene_linear in some places
* Precompute matrices to directly go to scene instead of through XYZ
* Make function signatures more consistent
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Between scene linear and sRGB, XYZ, linear Rec.709 and ACES2065-1.
And add some clarifications about color spaces in the docs.
Fixes T98267
Ref T68926
Differential Revision: https://developer.blender.org/D14989
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The names of color spaces in OpenColorIO configs can be arbitrary, so don't
use hardcoded names from our default config.
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Avoid multiple `sound.bl_rna.properties["channels"].enum_items` in
the same line. Note we might want a way to avoid having to do this.
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Specialized thumbnailing function to create previews of all EXR image
files, regardless of type, size, or dimensions. Uses less RAM by only
loading a single row of pixels at a time.
See D14663 for more details and examples.
Differential Revision: https://developer.blender.org/D14663
Reviewed by Brecht Van Lommel
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Check in code would not expect major version of OpenEXR > 2.
Investigated by Jesse Yurkovich (@deadpin), thanks!
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Use back-slashes to find the file-name component on windows.
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In this case memory past the buffer bounds would have been written,
potentially crashing. Replace the check with an assert since this
should never happen.
Also don't call exit as failing to write a file shouldn't exit Blender.
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* Respect the image file color space setitng for saving in various cases where
it was previously ignored. Previously it would often use the sRGB or Linear
color space even when not selected.
* For the Save As operator, add a Color Space option in the file browser to
choose the color space of the file. Previously this was chosen automatically,
now it's possible to e.g. resave a Linear image as Linear ACES.
* When changing the file format, the colorspace is automatically changed to an
appropriate color space for the file format. This already happened before, but
there was no visibility or control in the operator settings for this.
* Don't change color space when using the Save operator to save over the same
file.
* Fix missing color space conversion for 16 bit PNGs, where it assumed wrongly
assumed ibuf->rect would be used for saving. Add BKE_image_format_is_byte to
more accurately test this.
Fixes T74610
Ref T68926
Differential Revision: https://developer.blender.org/D14899
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Also add missing task-ID reference & remove colon after \note as it
doesn't render properly in doxygen.
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For non-stereo cases this is automatically handled by IMB_saveiff, no reason for
stereo to do this separately.
Ref D14899
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D14918 from @linux_dr with some other changes included.
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Revert change from [0] that assumed UNORM was a mis-spelling of UNIFORM.
[0]: 2c75857f9fc0dc5d524e4a0407e0a68856e5906e
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