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To redefine MESA_FORMAT in terms of PIPE_FORMAT enums, we need to fix
places where we iterated up to MESA_FORMAT_COUNT. I use
_mesa_get_format_name(f) == NULL as the signal that it's not an enum
value with a MESA_FORMAT.
Reviewed-by: Marek Olšák <[email protected]>
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In desktop GL, you can specify things like GL_DEPTH_COMPONENT/GL_BYTE as a
ReadPixels format, and we need to be able to represent that to see if we
have proper MESA_FORMATs for them. That's exactly what the
mesa_array_format enum is for.
v2: Drop _mesa from static fn.
Reviewed-by: Kenneth Graunke <[email protected]>
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It's about MESA_FORMATs, after all.
Reviewed-by: Thomas Helland <[email protected]>
Reviewed-by: Kristian H. Kristensen <[email protected]>
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Signed-off-by: Ilia Mirkin <[email protected]>
Signed-off-by: Jonathan Marek <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
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In Python 2, divisions of integers return an integer:
>>> 32 / 4
8
In Python 3 though, they return floats:
>>> 32 / 4
8.0
However, Python 3 has an explicit integer division operator:
>>> 32 // 4
8
That operator exists on Python >= 2.2, so let's use it everywhere to
make the scripts compatible with both Python 2 and 3.
In addition, using __future__.division tells Python 2 to behave the same
way as Python 3, which helps ensure the scripts produce the same output
in both versions of Python.
Signed-off-by: Mathieu Bridon <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]> (v2)
Reviewed-by: Dylan Baker <[email protected]>
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In Python 2, `print` was a statement, but it became a function in
Python 3.
Using print functions everywhere makes the script compatible with Python
versions >= 2.6, including Python 3.
Signed-off-by: Mathieu Bridon <[email protected]>
Acked-by: Eric Engestrom <[email protected]>
Acked-by: Dylan Baker <[email protected]>
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Also, make that table const, since no-one is supposed to modify it anyway.
Signed-off-by: Eric Engestrom <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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Analogous to earlier commit(s).
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
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This will be later required for 3D ASTC formats.
Signed-off-by: Anuj Phogat <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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This enables us to predicate statments on a compressed format being
a type of LATC format. Also, remove the comment that lists the enum
(it was getting a tad long).
Reviewed-by: Anuj Phogat <[email protected]>
Signed-off-by: Nanley Chery <[email protected]>
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Define the mesa formats and make changes necessary for compilation
without errors. Also add support for _mesa_get_srgb_format_linear().
v2. conform the ASTC MESA_FORMAT enums to the existing naming convention.
v3. remove ASTC cases for _mesa_get_uncompressed_format(). This function is
only used for generating mipmaps - something ASTC formats do not support
due to lack of online compression.
Reviewed-by: Anuj Phogat <[email protected]>
Signed-off-by: Nanley Chery <[email protected]>
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v2: remove extra newline.
v3: use bool instead of GLboolean.
Reviewed-by: Anuj Phogat <[email protected]>
Signed-off-by: Nanley Chery <[email protected]>
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Add the classes of compressed formats as layouts. This allows the detection
of compressed formats belonging to a certain category of compressed formats.
v2. simplify layout name construction (Ilia).
Reviewed-by: Chad Versace <[email protected]>
Signed-off-by: Nanley Chery <[email protected]>
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Patch adds 2 error messages that point user directly to fix
mispelled or impossible swizzle field for a format.
Signed-off-by: Tapani Pälli <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
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An array format is a 32-bit integer format identifier that can represent
any format that can be represented as an array of standard GL datatypes.
Whie the MESA_FORMAT enums provide several of these, they don't account for
all of them.
v2 by Iago Toral Quiroga <[email protected]>:
- Implement mesa_array_format as a plain bitfiled uint32_t type instead of
using a struct inside a union to access the various components packed in
it. This is necessary to support bigendian properly, as pointed out by
Ian.
- Squashed: Make float types normalized
v3 by Iago Toral Quiroga <[email protected]>:
- Include compiler.h in formats.h, which is necessary to build in MSVC as
indicated by Brian Paul.
Reviewed-by: Jason Ekstrand <[email protected]>
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Adds the ‘bptc’ layout to get_channel_bits. The channel bits for BPTC depend
on the mode but as it only has to be an approximation this sets it to 8 for
the two UNORM formats and 16 for the two half-float formats. These represent
the minimum number of bits of variation that can be generated by the
interpolation of the two formats.
This doesn't quite match what we do for S3TC which only returns 4 even though
it can similarly generate 8 bits from the interpolation. However it does match
what we return for ETC2. For reference, NVidia seems to return 8 bits for the
UNORM formats and 32 bits for the half-float formats.
v2: Change the number of bits to 8/8/8/8 for the UNORM formats and 16/16/16
for the half-float formats.
Reviewed-by: Jason Ekstrand <[email protected]>
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If the name of a compressed texture format has ‘FLOAT’ in it it will now set
the data type of the format to GL_FLOAT. This will be needed for the BPTC
half-float formats.
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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v2: Move the MESA_FORMAT_SWIZZLE enum to the top of the file
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Mesa hasn't supported color-indexed textures for some time. This is 0 for
all texture formats, so we don't need to store it.
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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This adds a python script called format_info.py that is used to generate a
single format_info.c file that contains the filled-out format_info array.
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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