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Removes commit 7894278 changes and moves fix to _mesa_GetInternalformativ().
The original commit enabled the GL_RGB and GL_RGBA unsized internal formats
as valid for render buffers in GLES3, but this is incorrect. They should
have only been enabled for GetInternalformativ()
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88079
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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format is integer
From GL ES 3.0 specification, section 6.1.15 Internal Format Queries (page 236),
multisampling is not supported for signed and unsigned integer internal formats.
Fixes 19 dEQP tests under 'dEQP-GLES3.functional.state_query.internal_format.*'.
Reviewed-by: Ian Romanick <[email protected]>
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None of the remaining FEATURE_x symbols in mfeatures.h are used anymore.
Reviewed-by: Jordan Justen <[email protected]>
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Previously at least i915 failed to provide an implementation, but
exposed ARB_internalformat_query anyway, leading to crashes when
QueryInternalformativ was called.
Default implementation just returns 1 for everything, so is suitable for
any driver which does not support multisampling.
V2: - Move from intel to core mesa.
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Now that we support ARB_texture_multisample, there are multiple targets
accepted for this query, and they may have target-dependent limits, so
pass the target to the driverfunc.
For example, the sampling hardware may not be able to do general
texelFetch() for some format/sample count combination, but the driver
may still be able to implement a reasonable resolve operation, so it can
be supported for renderbuffers.
V2: - Don't break Gallium compile.
Signed-off-by: Chris Forbes <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Ian Romanick <[email protected]>
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Use this method in _mesa_GetInternalformativ for both GL_SAMPLES and
GL_NUM_SAMPLE_COUNTS.
v2: internalFormat may not be color renderable by the driver, so zero
can be returned as a sample count. Require that drivers supporting the
extension provide a QuerySamplesForFormat function. The later was
suggested by Eric Anholt.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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This is for the GL_ARB_internalformat_query extension and GLES 3.0.
v2: Generate GL_INVALID_OPERATION if the extension is not supported.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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