| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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v2:
- Add a few const qualifiers for good measure.
- Drop unneeded retype()s (Matt)
- Convert timestamp to SIMD8/16, as fs_visitor::get_timestamp() returns
SIMD4 (Connor)
v3:
- Remove unneeded temporary + MOV (Connor)
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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We're about to reuse get_timestamp() for the nir_intrinsic_shader_clock.
In the latter the generalisation does not apply, so move the smear()
where needed. This also makes the function analogous to the vec4 one.
v2: Tweak the comment - The caller -> We (Matt, Connor).
v3: More comment tweaks (Connor)
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Commit 4565b6f did not update the basename match's check for
the case that string would exactly match the name of the
variable if the suffix "[0]" were appended to it.
Fixes two dEQP-GLES31 tests:
dEQP-GLES31.functional.program_interface_query.shader_storage_block.resource_list.block_array
dEQP-GLES31.functional.program_interface_query.shader_storage_block.resource_list.block_array_single_element
v2:
- Change the position of rname_has_array_index_zero to avoid an out-of-bounds
read. Reported by Tapani Pälli.
Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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Reviewed-by: Iago Toral Quiroga <[email protected]>
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Previously, we were using some heuristics to try and detect when a write
was about to begin a live range, or when a read was about to end a live
range. We never used the liveness analysis information used by the
register allocator, though, which meant that the scheduler's and the
allocator's ideas of when a live range began and ended were different.
Not only did this make our estimate of the register pressure benefit of
scheduling an instruction wrong in some cases, but it was preventing us
from knowing the actual register pressure when scheduling each
instruction, which we want to have in order to switch to register
pressure scheduling only when the register pressure is too high.
This commit rewrites the register pressure tracking code to use the same
model as our register allocator currently uses. We use the results of
liveness analysis, as well as the compute_payload_ranges() function that
we split out in the last commit. This means that we compute live ranges
twice on each round through the register allocator, although we could
speed it up by only recomputing the ranges and not the live in/live out
sets after scheduling, since we only shuffle around instructions within
a single basic block when we schedule.
Shader-db results on bdw:
total instructions in shared programs: 7130187 -> 7129880 (-0.00%)
instructions in affected programs: 1744 -> 1437 (-17.60%)
helped: 1
HURT: 1
total cycles in shared programs: 172535126 -> 172473226 (-0.04%)
cycles in affected programs: 11338636 -> 11276736 (-0.55%)
helped: 876
HURT: 873
LOST: 8
GAINED: 0
v2: use regs_read() in more places.
Reviewed-by: Jason Ekstrand <[email protected]>
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We'll need this for the scheduler too, since it wants to know when the
live ranges of payload registers end in order to model them in our
register pressure calculations.
Reviewed-by: Jason Ekstrand <[email protected]>
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The heuristic we're using is rather lame, since it assumes everything is
non-uniform and loops execute 10 times, but it should be enough for
measuring improvements in the scheduler that don't result in a change in
the number of instructions.
v2:
- Switch loops and cycle counts to be compatible with older shader-db.
- Make loop heuristic 10x to match with spilling code.
Reviewed-by: Jason Ekstrand <[email protected]>
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Before, we would only do scheduling after register allocation if we
spilled, despite the fact that the pre-RA scheduler was only supposed to
be for register pressure and set the latencies of every instruction to
1. This meant that unless we spilled, which we rarely do, then we never
considered instruction latencies at all, and we usually never bothered
to try and hide texture fetch latency. Although a later commit removes
the setting the latency to 1 part, we still want to always run the
post-RA scheduler since it's able to take the false dependencies that
the register allocator creates into account, and it can be more
aggressive than the pre-RA scheduler since it doesn't have to worry
about register pressure at all.
Test master post-ra-sched diff %diff
bench_OglPSBump2 396.730 402.386 5.656 +1.400%
bench_OglPSBump8 244.370 247.591 3.221 +1.300%
bench_OglPSPhong 241.117 242.002 0.885 +0.300%
bench_OglPSPom 59.555 59.725 0.170 +0.200%
bench_OglShMapPcf 86.149 102.346 16.197 +18.800%
bench_OglVSTangent 388.849 395.489 6.640 +1.700%
bench_trex 65.471 65.862 0.390 +0.500%
bench_trexoff 69.562 70.150 0.588 +0.800%
bench_heaven 25.179 25.254 0.074 +0.200%
Reviewed-by: Jason Ekstrand <[email protected]>
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Although write-after-write dependencies have the same latency as
read-after-write dependencies due to how the register scoreboard works,
write-after-read dependencies aren't checked by the EU at all, so
they're purely a constraint on how the scheduler can order the
instructions.
v2: fix accumulator dependencies too.
Reviewed-by: Jason Ekstrand <[email protected]>
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The issue time for an instruction is how many cycles it takes to
actually put it into the pipeline. If there's a pipeline stall that
causes the instruction to be delayed, we should first take that into
account to figure out when the instruction would start executing and
*then* add the issue time. The old code had it backwards, and so we
would underestimate the total time whenever we thought there would be a
pipeline stall by up to the issue time of the instruction.
Reviewed-by: Jason Ekstrand <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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These are often useful in debugging, and the writemask (actually
"Channel Enables") determines more than just what goes into the
destination.
Reviewed-by: Kenneth Graunke <[email protected]>
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No functional change, since they were both 3, but BRW_IMMEDIATE_VALUE is
the hardware value and IMM was the IR value -- and you can see that
BRW_IMMEDIATE_VALUE was correctly used in the context of this patch.
Reviewed-by: Kenneth Graunke <[email protected]>
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No functional change, since they were both 3, but BRW_IMMEDIATE_VALUE is
the hardware value and IMM was the IR value -- and you can see that
BRW_IMMEDIATE_VALUE was correctly used in the context of this patch.
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Kenneth Graunke <[email protected]>
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This has been wrong since the initial import of the i965 driver.
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Ben Widawsky <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Iago Toral Quiroga <[email protected]>
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We really weren't taking advantage of vec4_generator being a class.
By adding a "p" parameter to the helper methods, and "prog_data" to
ones which need binding table information, we can convert everything
to static functions.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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The public API for the generator is brw_vec4_generate_code(); nobody
actually needs to use the class. This means we can extend it without
triggering the recompiles associated with altering brw_vec4.h.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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vec4_generator is a class for convenience, but only exports a single
method as its public API. It makes much more sense to just export a
single function.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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This patch makes the visitor convert registers to the HW_REG file at the
very end, after register allocation, post-RA scheduling, and dependency
control flagging. After that, everything is in fixed brw_regs.
This simplifies the code generator, as it can just use the hardware
registers rather than having to interpret our abstract files. In
particular, interpreting the UNIFORM file meant reading prog_data
to figure out where push constants are supposed to start.
Having the part of the code that performs register allocation also
translate everything to hardware registers seems sensible.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Without the clamping by NumLevels, the state tracker would reallocate the
texture storage (incorrect) and even fail to copy the base level image
after reallocation, leading to the graphical glitch of
https://bugs.freedesktop.org/show_bug.cgi?id=91993 .
A piglit test has been submitted for review as well (subtest of
arb_texture_storage-texture-storage).
v2: also bypass all calls to st_finalize_texture (suggested by Marek Olšák)
Cc: [email protected]
Reviewed-by: Marek Olšák <[email protected]>
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In OpenGL ES, the COMPRESSED_TEXTURE_FORMATS query returns the set of
supported specific compressed formats. Since ASTC formats fit within
that category, include them in the set and update the
NUM_COMPRESSED_TEXTURE_FORMATS query as well.
This enables GLES2-based ASTC dEQP tests to run. See the Bugzilla for
more info.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92193
Reported-by: Tapani Pälli <[email protected]>
Suggested-by: Ian Romanick <[email protected]>
Signed-off-by: Nanley Chery <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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In agreement with the extension spec and commit
dd0eb004874645135b9aaac3ebbd0aaf274079ea, filter FXT1 formats to the
desktop GL profiles. Now we no longer advertise such formats as supported
in an ES context and then throw an INVALID_ENUM error when the client
tries to use such formats with CompressedTexImage2D.
Fixes the following 26 dEQP tests:
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border_cube_neg_x
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border_cube_neg_y
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border_cube_neg_z
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border_cube_pos_x
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border_cube_pos_y
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_border_cube_pos_z
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_invalid_size
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_level_max_cube_pos
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_level_max_tex2d
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_level_cube
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_level_tex2d
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_cube_neg_x
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_cube_neg_y
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_cube_neg_z
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_cube_pos_x
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_cube_pos_y
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_cube_pos_z
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_neg_width_height_tex2d
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_cube_neg_x
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_cube_neg_y
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_cube_neg_z
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_cube_pos_x
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_cube_pos_y
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_cube_pos_z
* dEQP-GLES2.functional.negative_api.texture.compressedteximage2d_width_height_max_tex2d
v2. Use _mesa_is_desktop_gl() (Ilia, Ian)
Reviewed-by: Ian Romanick <[email protected]>
Signed-off-by: Nanley Chery <[email protected]>
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Not sure if this is actually reachable in practice (to have a complex
copy with MS textures).
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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This is required to store information about fragdata arrays, currently
these variables get lost and cannot be retrieved later in sensible way
for program interface queries. List will be utilized by next patch.
Patch also modifies opt_dead_builtin_varyings pass to build list when
lowering fragdata arrays. This is identical approach as taken with
packed varyings pass.
Signed-off-by: Tapani Pälli <[email protected]>
Reviewed-by: Marta Lofstedt <[email protected]>
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Normally, we could read gl_Layer from bits 26:16 of R0.0. However, the
specification requires that bogus out-of-range 32-bit values written by
previous stages need to appear in the fragment shader as-written.
Instead, we pass in the full 32-bit value from the VUE header as an
extra flat-shaded varying. We have the SF override the value to 0
when the previous stage didn't actually write a value (it's actually
defined to return 0).
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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Traditionally, we've hardcoded "URB Entry Read Offset" to 1 (which
represents 2 vec4 varying slots) to skip over the 8 DWord VUE header.
In order to support ARB_fragment_layer_viewport, we'll need to read
from that header. This patch adds the basic plumbing necessary to
calculate a value dynamically and hook it up in the SBE packets.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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Commit 268008f98c3810b9f276df985dc93efc0c49f33e changed unused VUE map
slots to be initialized with BRW_VARYING_SLOT_PAD, not COUNT. I missed
updating this. It also means that commit message was wrong, as some
code *did* rely slots being initialized to COUNT.
This may fix a bug with SSO programs with > 16 FS input varyings.
I think we probably just emitted extra pointless code, but probably
didn't break anything. We might also just have no tests for that.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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I changed this from COUNT to PAD in commit 268008f98c3810b9f276df985dc93ef.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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Consider the case of two nearly identical GLSL fragment shaders:
out vec4 color;
void main() { color = vec4(1); }
and
layout(early_fragment_tests) in;
out vec4 color;
void main() { color = vec4(1); }
These shaders compile to the exact same assembly, but have distinct
values for brw_wm_prog_data::early_fragment_tests.
Since these are two independent GLSL shaders, they have different
program keys - notably, brw_wm_prog_key::program_string_id differs.
When uploading the second, brw_upload_cache will find an existing copy
of the assembly in the cache BO, which means matching_data will be
non-NULL. Although we create a second cache item (with the new key
and prog_data), we set item->offset to the existing copy and avoid
re-uploading duplicate assembly.
However, brw_search_cache() would only flag BRW_NEW_*_PROG_DATA if
item->offset differed from the supplied offset. With reuse, both
programs have the same offset, but prog_data changed. We have to
flag it, but failed to.
To fix this, we simply need to check if the aux (prog_data) pointer
changed. If either the assembly or the prog_data differs, flag it.
This fixes a regression since 1bba29ed403e735ba0bf04ed8aa2e571884f,
where Topi fixed brw_upload_cache() to actually reuse identical
assembly. Prior to that, reuse basically never happened due to bugs.
Unfortunately, this code apparently wasn't prepared to handle reuse!
Fixes GPU hangs in Dolphin on Broadwell.
Huge thanks to Pierre Bourdon and Ilia Mirkin for debugging this
and helping track down the real issue.
Cc: "11.0" <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92623
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Topi Pohjolainen <[email protected]>
Reviewed-by: Kristian Høgsberg <[email protected]>
Tested-by: Pierre Bourdon <[email protected]>
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With just the right sequence of per-vertex commands and state changes,
it's possible for this assertion to fail (such as with viewperf11's
lightwave-06-1 test). Instead of asserting, return 0 so that the
caller knows the VBO is full and needs to be flushed.
Reviewed-by: Charmaine Lee <[email protected]>
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I wonder if the craziness was worth it.
Reviewed-by: Brian Paul <[email protected]>
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We initialized Target, but not TargetIndex.
This is required since 7d7dd1871174905dfdd3ca874a09d9.
v2: do it in the right place. Noticed by Brian Paul.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92645
Reviewed-by: Brian Paul <[email protected]>
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The variable is already of type src_reg. creating a new instance only to
destroy it seems unnecessary.
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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There is only one function that can be called, which is well known at
compilation time.
The abstraction used here seems unnecessary, so let's use a direct call
to brw_stage_prog_data_free() when appropriate, cut down the size of
struct brw_cache.
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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The maximum number of active variables for shader storage blocks should
take into account the specific rules for shader storage blocks, i.e. for
an active shader storage block member declared as an array, an entry
will be generated only for the first array element, regardless of its type.
Fixes 3 dEQP-GLES31.functional.* tests:
dEQP-GLES31.functional.program_interface_query.shader_storage_block.active_variables.named_block
dEQP-GLES31.functional.program_interface_query.shader_storage_block.active_variables.unnamed_block
dEQP-GLES31.functional.program_interface_query.shader_storage_block.active_variables.block_array
Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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From OpenGL ES 3.1 specification, section 10.5:
"DrawArraysIndirect requires that all data sourced for the
command, including the DrawArraysIndirectCommand
structure, be in buffer objects, and may not be called when
the default vertex array object is bound."
Signed-off-by: Marta Lofstedt <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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OpenGL ES 3.1 specification, section 10.5:
"An INVALID_OPERATION error is generated if
transform feedback is active and not paused."
Signed-off-by: Marta Lofstedt <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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From OpenGL 4.4 specification, section 10.4 and
Open GL Es 3.1 section 10.5:
"An INVALID_VALUE error is generated if indirect is not a multiple
of the size, in basic machine units, of uint."
However, the current code follow the ARB_draw_indirect:
https://www.opengl.org/registry/specs/ARB/draw_indirect.txt
"INVALID_OPERATION is generated by DrawArraysIndirect and
DrawElementsIndirect if commands source data beyond the end
of a buffer object or if <indirect> is not word aligned."
V2: After discussions on the list, it was suggested to
only keep the INVALID_VALUE error.
Signed-off-by: Marta Lofstedt <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Ilia Mirkin <[email protected]>
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From ARB_program_query_interface spec:
"uint GetProgramResourceIndex(uint program, enum programInterface,
const char *name);
[...]
If <name> exactly matches the name string of one of the active resources
for <programInterface>, the index of the matched resource is returned.
Additionally, if <name> would exactly match the name string of an active
resource if "[0]" were appended to <name>, the index of the matched
resource is returned. [...]"
"A string provided to GetProgramResourceLocation or
GetProgramResourceLocationIndex is considered to match an active variable
if:
[...]
* if the string identifies the base name of an active array, where the
string would exactly match the name of the variable if the suffix
"[0]" were appended to the string;
[...]
"
Fixes the following two dEQP-GLES31 tests:
dEQP-GLES31.functional.program_interface_query.shader_storage_block.resource_list.block_array
dEQP-GLES31.functional.program_interface_query.shader_storage_block.resource_list.block_array_single_element
v2:
- Add AoA support (Timothy)
- Apply it too for GetUniformLocation(), GetUniformName() and others
because ARB_program_interface_query says that they are equivalent
to GetProgramResourceLocation() and GetProgramResourceName() (Tapani)
Signed-off-by: Samuel Iglesias Gonsalvez <[email protected]>
Reviewed-by: Tapani Pälli <[email protected]>
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Trivial.
Signed-off-by: Ian Romanick <[email protected]>
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Previously we could create a renderbuffer with format
MESA_FORMAT_R8G8B8A8_UNORM, convert that renderbuffer to an EGLImage,
then FAIL to convert the EGLImage back to a renderbuffer because
reasons. Just use the same check in
intel_image_target_renderbuffer_storage that brw_render_target_supported
uses.
There are more checks in brw_render_target_supported, but I don't think
they are necessary here. A different approach would be to refactor
brw_render_target_supported to take rb->Format and rb->NumSamples as
parameters (instead of a gl_renderbuffer) and use the new function here.
Fixes:
ES2-CTS.gtf.GL2ExtensionTests.egl_image.egl_image
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
Tested-by: Tapani Pälli <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92476
Cc: "10.3 10.4 10.5 10.6 11.0" <[email protected]>
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