[Bug 54767] New: [r300g] 298 failures on WebGL Conformance Test

[Bug 54767] New: [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

             Bug #: 54767
           Summary: [r300g] 298 failures on WebGL Conformance Test
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: fabio.ped@libero.it


Created attachment 66963
  --> https://bugs.freedesktop.org/attachment.cgi?id=66963
298 failing WebGL tests on 2012-09-11

When running WebGL Conformance Test:
https://www.khronos.org/registry/webgl/conformance-suites/1.0.1/webgl-conformance-tests.html

on r300 git on a RV530 298 tests fail. See the attachment for failing tests.

If some get fixed I can later open a new bug for every test.

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #1 from Tomasz P. <son_of_the_osiris@interia.pl> 2012-09-13 12:59:17 UTC ---
On radeon 9600 agp with mesa-git form today I have got 41 failed tests only
(from 8649 total tests).
Using opera 12.50-build_1583 with HA enabled and webgl enabled.

Failures:

conformance/extensions/oes-standard-derivatives.html: 15 tests failed
conformance/glsl/functions/glsl-function-atan-xy.html: 1 tests failed
conformance/glsl/misc/shader-with-limited-indexing.frag.html: 1 tests failed
conformance/glsl/misc/struct-nesting-exceeds-maximum.html: 1 tests failed
conformance/glsl/variables/gl-frontfacing.html: 17 tests failed
conformance/limits/gl-min-textures.html: 2 tests failed
conformance/limits/gl-min-uniforms.html: 2 tests failed
conformance/renderbuffers/renderbuffer-initialization.html: 2 tests failed

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #2 from Tomasz P. <son_of_the_osiris@interia.pl> 2012-09-14 14:05:25 UTC ---
Forgot to add. I have compiled withtexture npot video enabled in r300_screen.c

During test there was few errors in konsole.

r300 FP: Compiler Error:
compiler/r300_fragprog_emit.c::translate_rgb_opcode(): translate_rgb_opcode:
Unknown opcode DDX
Using a dummy shader instead.
r300 FP: Compiler Error:
compiler/r300_fragprog_emit.c::emit_alu(): Too many ALU instructions
Using a dummy shader instead.
r300: ERROR: FS input FACE unassigned.

When I also enabled Hyper-Z I have got 51 errors.

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #3 from Marek Olšák <maraeo@gmail.com> 2012-09-14 15:51:21 UTC ---
r300 cannot pass some of the tests, because the hardware is too limited (some
features cannot be implemented on r300), while other features may produce
slightly different results due to precision issues. Some tests are simply
unfixable.

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #4 from madbiologist <s.j.turner@uqconnect.net> ---
(In reply to comment #3)
> r300 cannot pass some of the tests, because the hardware is too limited
> (some features cannot be implemented on r300), while other features may
> produce slightly different results due to precision issues. Some tests are
> simply unfixable.

Does that include atan(vec4, vec4) in fragment shader?  I have a Radeon 9800
Pro 128MB (R350).

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #5 from Marek Olšák <maraeo@gmail.com> ---
(In reply to comment #4)
> Does that include atan(vec4, vec4) in fragment shader?  I have a Radeon 9800
> Pro 128MB (R350).

I don't remember if that function works on r300. I guess you have to try and
see if the results are correct but not very precise (i.e. they're close to the
expected value) or if they're totally wrong.

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #6 from madbiologist <s.j.turner@uqconnect.net> ---
Its totally wrong.  See attachments.  I just thought perhaps it wasn't
implemented yet/correctly in the r300g driver.

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #7 from madbiologist <s.j.turner@uqconnect.net> ---
Created attachment 69818
  --> https://bugs.freedesktop.org/attachment.cgi?id=69818&action=edit
error messages from test

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

--- Comment #8 from madbiologist <s.j.turner@uqconnect.net> ---
Created attachment 69819
  --> https://bugs.freedesktop.org/attachment.cgi?id=69819&action=edit
atan(vec4, vec4) image result

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[Bug 54767] [r300g] 298 failures on WebGL Conformance Test

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https://bugs.freedesktop.org/show_bug.cgi?id=54767

Tomasz P. <son_of_the_osiris@interia.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #9 from Tomasz P. <son_of_the_osiris@interia.pl> ---
on rv350 with Chromium 23.0.1271.95 I get:

Test Summary (8887 total tests):
Tests PASSED: 8854
Tests FAILED: 33
Tests TIMED OUT: 0

-------------------

Failures:

conformance/extensions/oes-standard-derivatives.html: 15 tests failed
conformance/glsl/functions/glsl-function-atan-xy.html: 1 tests failed
conformance/glsl/variables/gl-frontfacing.html: 17 tests failed

With opera-next 477 failed.

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