| Commit message (Collapse) | Author | Age | Files | Lines |
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The enums MAX_COMBINED_IMAGE_UNITS_AND_FRAGMENT_OUTPUTS and
MAX_COMBINED_SHADER_OUTPUT_RESOURCES are equal and should therefore only
appear once.
Noticed while implementing ARB_shader_image_load_store without previously
implementing SSBO.
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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According to the GL 4.4 core specification, section 2.2.2 ("Data
Conversions For State Query Commands"):
"If a command returning integer data is called, such as GetIntegerv or
GetInteger64v, a boolean value of TRUE or FALSE is interpreted as one
or zero, respectively. A floating-point value is rounded to the nearest
integer, unless the value is an RGBA color component, a DepthRange
value, or a depth buffer clear value. In these cases, the query command
converts the floating-point value to an integer according to the INT
entry of table 18.2; a value not in [−1, 1] converts to an undefined
value."
The INT entry of table 18.2 shows that b = 32, meaning the expectation
is to convert it to a 32-bit integer value.
Fixes:
dEQP-GLES3.functional.state_query.floats.blend_color_getinteger64
dEQP-GLES3.functional.state_query.floats.color_clear_value_getinteger64
dEQP-GLES3.functional.state_query.floats.depth_clear_value_getinteger64
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94456
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
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Signed-off-by: Emil Velikov <[email protected]>
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The ES 3.0+ specifications contain the exact same text as the OpenGL
specification, which says that we should return GL_INVALID_OPERATION.
ES 2.0 contains different text saying we should return GL_INVALID_ENUM.
Previously, Mesa chose the error code based on API (GL vs. ES).
This patch makes ES 3.0+ follow the GL behavior. ES 2 remains as is.
Fixes dEQP-GLES3.functional.fbo.api.attachment_query_empty_fbo.
However, breaks the dEQP-GLES2 variant of the same test for drivers
which silently promote to ES 3.0. This can be worked around by
exporting MESA_GLES_VERSION_OVERRIDE=2.0, but is a bug in dEQP-GLES2.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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The dEQP-GLES3.functional.fbo.completeness.renderable.texture.
{color0,depth,stencil}.{red,rg}_unsigned_byte tests appear to expect
GL_RED/GL_RG and GL_UNSIGNED_BYTE to map to GL_R8/GL_RG8, rather than
returning an INVALID_OPERATION error.
This makes perfect sense. However, RED and RG are strangely missing
from the ES 3.0/3.1/3.2 spec's "Effective internal format corresponding
to external format and type" tables. It may be worth filing a spec bug.
Fixes the 6 dEQP tests mentioned above.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Alejandro Piñeiro <[email protected]>
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Reviewed-by: Vinson Lee <[email protected]>
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This is not API facing, so just use bool.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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If glGenerateMipmap was called with a bogus target, then it would
pass that to _mesa_get_current_tex_object(), which would raise a
_mesa_problem() telling people to file bugs. We'd then do the
proper error checking, raise an error, and bail.
Doing the check first avoids the _mesa_problem(). The DSA variant
doesn't take a target parameter, so we leave the target validation
exactly as it was in that case.
Fixes one dEQP GLES2 test:
dEQP-GLES2.functional.negative_api.texture.generatemipmap.invalid_target.
v2: Rebase on Antia's recent patch to this area.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Brian Paul <[email protected]> [v1]
Reviewed-by: Matt Turner <[email protected]>
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In the rather unusual case of Bind + Delete, we need to make sure that
we unbind the current tf object.
Fixes dEQP-GLES3.functional.lifetime.delete_bound.transform_feedback
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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From section 6.2 ("State Tables") of the GL 2.1 specification
(the text also appears in the GL 3.0 and ES 3.1 specifications):
"However, state variables for which IsEnabled is listed as the query
command can also be obtained using GetBooleanv, GetIntegerv, GetFloatv,
and GetDoublev."
GL_DEBUG_OUTPUT, GL_DEBUG_OUTPUT_SYNCHRONOUS, and GL_FRAGMENT_SHADER_ATI
were missing from the glGet*() functions. All other IsEnabled() pnames
look to be present, as far as I can tell.
Fixes 8 dEQP-GLES31.functional.debug.state_query subtests:
debug_output[_synchronous]_get{boolean,float,integer,integer64}.
Cc: [email protected]
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ilia Mirkin <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
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dEQP-GLES31.functional.debug.state_query.debug_group_stack_depth_*
tries to call glGet on GL_DEBUG_GROUP_STACK_DEPTH right away, before
doing any other debug setup. This should return 1.
However, because ctx->Debug wasn't allocated, we bailed and returned 0.
This patch removes the open-coded locking and switches the two glGet
functions to use _mesa_lock_debug_state(), which takes care of
allocating and initializing that state on the first time. It also
conveniently takes care of unlocking on failure for us, so we don't
need to handle that in every caller.
Fixes dEQP-GLES31.functional.debug.state_query.debug_group_stack_depth_
{getboolean,getfloat,getinteger,getinteger64}.
Cc: [email protected]
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ilia Mirkin <[email protected]>
Reviewed-by: Timothy Arceri <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
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_mesa_format_from_format_and_type() is currently not considering DEPTH and
STENCIL formats, which are not array formats and are not handled anywhere.
This patch adds cases for common combinations of DEPTH/STENCIL format and
types.
Reviewed-by: Dave Airlie <[email protected]>
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These basically reuse the default implementation of GL_READ_PIXELS_TYPE.
Reviewed-by: Dave Airlie <[email protected]>
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Reviewed-by: Dave Airlie <[email protected]>
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We call the driver to provide its preferred type, but also provide a
default implementation that selects a generic type based on the passed
internal format.
Reviewed-by: Dave Airlie <[email protected]>
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Reviewed-by: Dave Airlie <[email protected]>
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This is supported since very early version of OpenGL, but we still call the
driver to give it the opportunity to report caveat or no support.
Reviewed-by: Dave Airlie <[email protected]>
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It discards out the targets and internalformats that explicitly
mention (per-spec) that doesn't support filter types other than
NEAREST or NEAREST_MIPMAP_NEAREST. Those are:
* Texture buffers target
* Multisample targets
* Any integer internalformat
For the case of multisample targets, it was used the existing method
_mesa_target_allows_setting_sampler_parameter. This would scalate
better in the future if new targets appear that doesn't allow to
set sampler parameters.
We consider RENDERBUFFER to support LINEAR filters, because although
it doesn't support this filter for sampling, you can set LINEAR
on a blit operation using glBlitFramebuffer.
Reviewed-by: Dave Airlie <[email protected]>
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In order to allow to be used on ARB_internalformat_query2 implementation.
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- FRAMEBUFFER_RENDERABLE: The support for rendering to the resource via
framebuffer attachment is returned in <params>.
- FRAMEBUFFER_RENDERABLE_LAYERED: The support for layered rendering to
the resource via framebuffer attachment is returned in <params>.
- FRAMEBUFFER_BLEND: The support for rendering to the resource
via framebuffer attachment when blending is enabled is returned in
<params>."
For all of them,
"Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource is unsupported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- TEXTURE_SHADOW: The support for using the resource with shadow samplers
is written to <params>.
- TEXTURE_GATHER: The support for using the resource with texture gather
operations is written to <params>.
- TEXTURE_GATHER_SHADOW: The support for using resource with texture gather
operations with shadow samplers is written to <params>."
For all of them,
"Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- TEXTURE_VIEW: The support for using the resource with the TextureView
command is returned in <params>.
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned.
- VIEW_COMPATIBILITY_CLASS: The compatibility class of the resource when
used as a texture view is returned in <params>. The compatibility
class is one of the values from the /Class/ column of Table 3.X.2. If
the resource has no other formats that are compatible, the resource
does not support views, or if texture views are not supported, NONE is
returned."
Reviewed-by: Dave Airlie <[email protected]>
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It will be used by the ARB_internalformat_query2 implementation to
implement the VIEW_COMPATIBILITY_CLASS <pname> query.
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- CLEAR_BUFFER: The support for using the resource with ClearBuffer*Data
commands is returned in <params>.
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- TEXTURE_COMPRESSED: If <internalformat> is a compressed format
that is supported for this type of resource, TRUE is returned in
<params>. If the internal format is not compressed, or the type of
resource is not supported, FALSE is returned.
- TEXTURE_COMPRESSED_BLOCK_WIDTH: If the resource contains a compressed
format, the width of a compressed block (in bytes) is returned in
<params>. If the internal format is not compressed, or the resource
is not supported, 0 is returned.
- TEXTURE_COMPRESSED_BLOCK_HEIGHT: If the resource contains a compressed
format, the height of a compressed block (in bytes) is returned in
<params>. If the internal format is not compressed, or the resource
is not supported, 0 is returned.
- TEXTURE_COMPRESSED_BLOCK_SIZE: If the resource contains a compressed
format the number of bytes per block is returned in <params>. If the
internal format is not compressed, or the resource is not supported,
0 is returned.
(combined with the above, allows the bitrate to be computed, and may be
useful in conjunction with ARB_compressed_texture_pixel_storage)."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST: The support for using the resource
both as a source for texture sampling while it is bound as a buffer for
depth test is written to <params>. For example, a depth (or stencil)
texture could be bound simultaneously for texturing while it is bound as
a depth (and/or stencil) buffer without causing a feedback loop, provided
that depth writes are disabled.
- SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST: The support for using the resource
both as a source for texture sampling while it is bound as a buffer for
stencil test is written to <params>. For example, a depth (or stencil)
texture could be bound simultaneously for texturing while it is bound as
a depth (and/or stencil) buffer without causing a feedback loop,
provided that stencil writes are disabled.
- SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE: The support for using the resource
both as a source for texture sampling while performing depth writes to
the resources is written to <params>. For example, a depth-stencil
texture could be bound simultaneously for stencil texturing while it
is bound as a depth buffer. Feedback loops cannot occur because sampling
a stencil texture only returns the stencil portion, and thus writes to
the depth buffer do not modify the stencil portions.
- SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE: The support for using the resource
both as a source for texture sampling while performing stencil writes to
the resources is written to <params>. For example, a depth-stencil
texture could be bound simultaneously for depth-texturing while it is
bound as a stencil buffer. Feedback loops cannot occur because sampling
a depth texture only returns the depth portion, and thus writes to
the stencil buffer could not modify the depth portions.
For all of them,
"Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- IMAGE_TEXEL_SIZE: The size of a texel when the resource when used as
an image texture is returned in <params>. This is the value from the
/Size/ column in Table 3.22. If the resource is not supported for image
textures, or if image textures are not supported, zero is returned.
- IMAGE_COMPATIBILITY_CLASS: The compatibility class of the resource when
used as an image texture is returned in <params>. This corresponds to
the value from the /Class/ column in Table 3.22. The possible values
returned are IMAGE_CLASS_4_X_32, IMAGE_CLASS_2_X_32, IMAGE_CLASS_1_X_32,
IMAGE_CLASS_4_X_16, IMAGE_CLASS_2_X_16, IMAGE_CLASS_1_X_16,
IMAGE_CLASS_4_X_8, IMAGE_CLASS_2_X_8, IMAGE_CLASS_1_X_8,
IMAGE_CLASS_11_11_10, and IMAGE_CLASS_10_10_10_2, which correspond to
the 4x32, 2x32, 1x32, 4x16, 2x16, 1x16, 4x8, 2x8, 1x8, the class
(a) 11/11/10 packed floating-point format, and the class (b)
10/10/10/2 packed formats, respectively.
If the resource is not supported for image textures, or if image
textures are not supported, NONE is returned.
- IMAGE_PIXEL_FORMAT: The pixel format of the resource when used as an
image texture is returned in <params>. This is the value
from the /Pixel format/ column in Table 3.22. If the resource is not
supported for image textures, or if image textures are not supported,
NONE is returned.
- IMAGE_PIXEL_TYPE: The pixel type of the resource when used as an
image texture is returned in <params>. This is the value from
the /Pixel type/ column in Table 3.22. If the resource is not supported
for image textures, or if image textures are not supported, NONE is
returned."
Reviewed-by: Dave Airlie <[email protected]>
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It will be used by the ARB_internalformat_query2 implementation to
implement the IMAGE_COMPATIBILITY_CLASS <pname> query.
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- SHADER_IMAGE_LOAD: The support for using the resource with image load
operations in shaders is written to <params>.
In this case the <internalformat> is the value of the <format> parameter
that would be passed to BindImageTexture.
- SHADER_IMAGE_STORE: The support for using the resource with image store
operations in shaders is written to <params>.
In this case the <internalformat> is the value of the <format> parameter
that is passed to BindImageTexture.
- SHADER_IMAGE_ATOMIC: The support for using the resource with atomic
memory operations from shaders is written to <params>."
For all of them:
"Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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It will be used by the ARB_internalformat_query2 implementation
to implement queries related to the ARB_shader_image_load_store
extension.
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- VERTEX_TEXTURE: The support for using the resource as a source for
texture sampling in a vertex shader is written to <params>.
- TESS_CONTROL_TEXTURE: The support for using the resource as a source for
texture sampling in a tessellation control shader is written to <params>.
- TESS_EVALUATION_TEXTURE: The support for using the resource as a source
for texture sampling in a tessellation evaluation shader is written to
<params>.
- GEOMETRY_TEXTURE: The support for using the resource as a source for
texture sampling in a geometry shader is written to <params>.
- FRAGMENT_TEXTURE: The support for using the resource as a source for
texture sampling in a fragment shader is written to <params>.
- COMPUTE_TEXTURE: The support for using the resource as a source for
texture sampling in a compute shader is written to <params>."
For all of them,
"Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- SRGB_DECODE_ARB: The support for toggling whether sRGB decode happens at
sampling time (see EXT/ARB_texture_sRGB_decode) for the resource is
returned in <params>.
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- SRGB_READ: The support for converting from sRGB colorspace on read
operations (see section 3.9.18) from the resource is returned in
<params>.
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned.
- SRGB_WRITE: The support for converting to sRGB colorspace on write
operations to the resource is returned in <params>.
This indicates that writing to framebuffers with this internalformat
will encode to sRGB color spaces when FRAMEBUFFER_SRGB is enabled (see
section 4.1.8).
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource or operation is not supported, NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 specification:
"- COLOR_ENCODING: The color encoding for the resource is returned in
<params>. Possible values for color buffers are LINEAR or SRGB,
for linear or sRGB-encoded color components, respectively. For non-color
formats (such as depth or stencil), or for unsupported resources,
the value NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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Returns true if the passed format is an sRGB format, false otherwise.
Reviewed-by: Dave Airlie <[email protected]>
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Specifically MIPMAP, MANUAL_GENERATE_MIPMAP and AUTO_GENERATE_MIPMAP <pname>
queries.
From the ARB_internalformat_query2 specification:
"- MIPMAP: If the resource supports mipmaps, TRUE is returned in <params>.
If the resource is not supported, or if mipmaps are not supported for
this type of resource, FALSE is returned.
- MANUAL_GENERATE_MIPMAP: The support for manually generating mipmaps for
the resource is returned in <params>.
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource is not supported, or if the operation is not supported,
NONE is returned.
- AUTO_GENERATE_MIPMAP: The support for automatic generation of mipmaps
for the resource is returned in <params>.
Possible values returned are FULL_SUPPORT, CAVEAT_SUPPORT, or NONE.
If the resource is not supported, or if the operation is not supported,
NONE is returned."
Reviewed-by: Dave Airlie <[email protected]>
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It will be used by the ARB_internalformat_query2 implementation to
implement mipmap related queries.
Reviewed-by: Dave Airlie <[email protected]>
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It will be used by the ARB_internalformat_query2 implementation to
implement mipmap related queries.
Reviewed-by: Dave Airlie <[email protected]>
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Reviewed-by: Dave Airlie <[email protected]>
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Reviewed-by: Dave Airlie <[email protected]>
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It is implemented combining the values returned by calls to the 32-bit
query _mesa_GetInternalformati32v.
The main reason is simplicity. The other option would be C&P how we
implemented the support of GL_MAX_{WIDTH/HEIGHT/DEPTH} and GL_SAMPLES.
Additionally, doing this way, we avoid adding checks on the code, as
are done by the call to the query itself.
MAX_COMBINED_DIMENSIONS is the only pname pointed on the spec of
needing a 64-bit query. We handle that possibility by packing the
returning value on the two first 32-bit integers of params. This
would work on the 32-bit query as far as the value is not greater
that INT_MAX. On the 64-bit query wrapper we unpack those values
in order to get the final value.
Reviewed-by: Dave Airlie <[email protected]>
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Reviewed-by: Dave Airlie <[email protected]>
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Implemented by calling GetIntegerv with the equivalent pname and
handling individually the exceptions related to dimensions.
All those pnames are used to get the maximum value for each dimension
of the given target. The only difference between this calls and
calling GetInteger with pnames like GL_MAX_TEXTURE_SIZE,
GL_MAX_3D_TEXTURE_SIZE, etc is that GetInternalformat allows to
specify a internalformat.
But at this moment, there is no reason to think that the values would
be different based on the internalformat. The spec already take that
into account, using these specific pnames as example on Issue 7 of
arb_internalformat_query2 spec.
So this seems like a hook to allow to return different values based on
the internalformat in the future.
It is worth to note that the piglit test associated to those pnames
are checking the returned values of GetInternalformat against the
values returned by GetInteger, and the test is passing with NVIDIA
proprietary drivers.
main/formatquery: support for MAX_{WIDTH/HEIGHT/DEPTH/LAYERS}
Implemented by calling GetIntegerv with the equivalent pname and
handling individually the exceptions related to dimensions.
All those pnames are used to get the maximum value for each dimension
of the given target. The only difference between this calls and
calling GetInteger with pnames like GL_MAX_TEXTURE_SIZE,
GL_MAX_3D_TEXTURE_SIZE, etc is that GetInternalformat allows to
specify a internalformat.
But at this moment, there is no reason to think that the values would
be different based on the internalformat. The spec already take that
into account, using these specific pnames as example on Issue 7 of
arb_internalformat_query2 spec.
So this seems like a hook to allow to return different values based on
the internalformat in the future.
It is worth to note that the piglit test associated to those pnames
are checking the returned values of GetInternalformat against the
values returned by GetInteger, and the test is passing with NVIDIA
proprietary drivers.
v2: use _mesa_has## instead of direct ctx->Extensions access (Nanley Chery)
Reviewed-by: Dave Airlie <[email protected]>
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From arb_internalformat_query2 spec:
"IMAGE_FORMAT_COMPATIBILITY_TYPE: The matching criteria use for the
resource when used as an image textures is returned in
<params>. This is equivalent to calling GetTexParameter with <value>
set to IMAGE_FORMAT_COMPATIBILITY_TYPE."
Current implementation of GetTexParameter for this case returns a
field of a texture object, so the support of this pname was
implemented creating a temporal texture object and returning that
value.
It is worth to mention that right now that field is not reassigned
after initialization. So it is somehow hardcoded. An alternative
option would be return that value. That doesn't seems really scalable
though.
v2: use _mesa_has## instead of direct ctx->Extensions access (Nanley Chery)
Reviewed-by: Dave Airlie <[email protected]>
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From arb_internalformat_query2 spec:
" If <internalformat> is not color-renderable, depth-renderable, or
stencil-renderable (as defined in section 4.4.4), or if <target>
does not support multiple samples (ie other than
TEXTURE_2D_MULTISAMPLE, TEXTURE_2D_MULTISAMPLE_ARRAY, or
RENDERBUFFER), <params> is not modified."
So there are cases where the buffer should not be modified. As the
64-bit query is a wrapper over the 32-bit query, we can't just copy
the values to the equivalent 32-bit buffer, as that would fail if the
original params contained values greater that INT_MAX. So we need to
copy-back only the values that got modified by the 32-bit query. We do
that by filling the temporal buffer by negatives, as the 32-bit query
should not return negative values ever.
Reviewed-by: Dave Airlie <[email protected]>
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It just does a wrapping on the existing 32-bit GetInternalformativ.
We will maintain the 32-bit query as default as it is likely that
it would be the one most used.
Reviewed-by: Dave Airlie <[email protected]>
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From the ARB_internalformat_query2 spec:
"- INTERNALFORMAT_RED_SIZE
- INTERNALFORMAT_GREEN_SIZE
- INTERNALFORMAT_BLUE_SIZE
- INTERNALFORMAT_ALPHA_SIZE
- INTERNALFORMAT_DEPTH_SIZE
- INTERNALFORMAT_STENCIL_SIZE
- INTERNALFORMAT_SHARED_SIZE
For uncompressed internal formats, queries of these values return the
actual resolutions that would be used for storing image array components
for the resource.
For compressed internal formats, the resolutions returned specify the
component resolution of an uncompressed internal format that produces
an image of roughly the same quality as the compressed algorithm.
For textures this query will return the same information as querying
GetTexLevelParameter{if}v for TEXTURE_*_SIZE would return.
If the internal format is unsupported, or if a particular component is
not present in the format, 0 is written to <params>.
- INTERNALFORMAT_RED_TYPE
- INTERNALFORMAT_GREEN_TYPE
- INTERNALFORMAT_BLUE_TYPE
- INTERNALFORMAT_ALPHA_TYPE
- INTERNALFORMAT_DEPTH_TYPE
- INTERNALFORMAT_STENCIL_TYPE
For uncompressed internal formats, queries for these values return the
data type used to store the component.
For compressed internal formats the types returned specify how components
are interpreted after decompression.
For textures this query returns the same information as querying
GetTexLevelParameter{if}v for TEXTURE_*TYPE would return.
Possible values return include, NONE, SIGNED_NORMALIZED,
UNSIGNED_NORMALIZED, FLOAT, INT, UNSIGNED_INT, representing missing,
signed normalized fixed point, unsigned normalized fixed point,
floating-point, signed unnormalized integer and unsigned unnormalized
integer components. NONE is returned for all component types if the
format is unsupported."
Reviewed-by: Dave Airlie <[email protected]>
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The new pnames accepted by the function are:
- INTERNALFORMAT_RED_SIZE
- INTERNALFORMAT_GREEN_SIZE
- INTERNALFORMAT_BLUE_SIZE
- INTERNALFORMAT_ALPHA_SIZE
- INTERNALFORMAT_DEPTH_SIZE
- INTERNALFORMAT_STENCIL_SIZE
It will be used by the ARB_internalformat_query2 implementation to
implement those pnames.
Reviewed-by: Dave Airlie <[email protected]>
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The new pnames accepted by the function are:
- INTERNALFORMAT_RED_SIZE
- INTERNALFORMAT_GREEN_SIZE
- INTERNALFORMAT_BLUE_SIZE
- INTERNALFORMAT_ALPHA_SIZE
- INTERNALFORMAT_DEPTH_SIZE
- INTERNALFORMAT_STENCIL_SIZE
- INTERNALFORMAT_RED_TYPE
- INTERNALFORMAT_GREEN_TYPE
- INTERNALFORMAT_BLUE_TYPE
- INTERNALFORMAT_ALPHA_TYPE
- INTERNALFORMAT_DEPTH_TYPE
- INTERNALFORMAT_STENCIL_TYPE
It will be used by the ARB_internalformat_query2 implementation to
implement those pnames.
Reviewed-by: Dave Airlie <[email protected]>
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