[Mesa-dev] [Bug 78843] New: [swrast] piglit copyteximage 1D regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78843

          Priority: medium
            Bug ID: 78843
          Keywords: regression
                CC: chrisf at ijw.co.nz, eric at anholt.net,
                    kenneth at whitecape.org
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: [swrast] piglit copyteximage 1D regression
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: vlee at freedesktop.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

mesa: 5646319f25c7880b3706bb7590e24c84fd8de0fc (master 10.3.0-devel)


$ ./bin/copyteximage 1D -auto
Testing GL_TEXTURE_1D
Texture target = GL_TEXTURE_1D, Internal format = GL_RED
Texture target = GL_TEXTURE_1D, Internal format = GL_RG
Texture target = GL_TEXTURE_1D, Internal format = GL_RGB8
Probe color at (48,0)
  Expected: 0.500000 0.200000 0.800000 1.000000
  Observed: 0.031373 0.000000 0.000000 1.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_RGB16
Probe color at (64,0)
  Expected: 0.500000 0.200000 0.800000 1.000000
  Observed: 0.905882 0.247059 0.858824 1.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_RGB16F
Probe color at (80,0)
  Expected: 0.500000 0.200000 0.800000 1.000000
  Observed: 0.000000 0.000000 0.000000 1.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_RGB32F
Probe color at (96,0)
  Expected: 0.500000 0.200000 0.800000 1.000000
  Observed: 0.000000 0.000000 0.000000 1.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_RGBA8
Probe color at (112,0)
  Expected: 0.500000 0.200000 0.800000 0.400000
  Observed: 0.470588 0.917647 0.858824 0.721569
Texture target = GL_TEXTURE_1D, Internal format = GL_RGBA16
Probe color at (128,0)
  Expected: 0.500000 0.200000 0.800000 0.400000
  Observed: 0.000000 0.000000 0.000000 0.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_RGBA16F
Probe color at (144,0)
  Expected: 0.500000 0.200000 0.800000 0.400000
  Observed: 0.000000 0.000000 0.000000 0.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_RGBA32F
Probe color at (160,0)
  Expected: 0.500000 0.200000 0.800000 0.400000
  Observed: 0.000000 0.000000 0.000000 0.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_COMPRESSED_RED
Texture target = GL_TEXTURE_1D, Internal format = GL_COMPRESSED_RG
Texture target = GL_TEXTURE_1D, Internal format = GL_COMPRESSED_RGB
Probe color at (208,0)
  Expected: 0.500000 0.200000 0.800000 1.000000
  Observed: 0.000000 0.501961 0.505882 1.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_COMPRESSED_RGBA
Probe color at (224,0)
  Expected: 0.500000 0.200000 0.800000 0.400000
  Observed: 0.000000 0.000000 0.000000 0.000000
Texture target = GL_TEXTURE_1D, Internal format = GL_LUMINANCE
Texture target = GL_TEXTURE_1D, Internal format = GL_LUMINANCE_ALPHA
Texture target = GL_TEXTURE_1D, Internal format = GL_INTENSITY
Texture target = GL_TEXTURE_1D, Internal format = GL_DEPTH_COMPONENT
Texture target = GL_TEXTURE_1D, Internal format = GL_DEPTH_COMPONENT16
Texture target = GL_TEXTURE_1D, Internal format = GL_DEPTH_COMPONENT24
Texture target = GL_TEXTURE_1D, Internal format = GL_DEPTH_COMPONENT32F -
skipped
Texture target = GL_TEXTURE_1D, Internal format = GL_DEPTH24_STENCIL8
Texture target = GL_TEXTURE_1D, Internal format = GL_DEPTH32F_STENCIL8 -
skipped
PIGLIT: {'result': 'fail' }


bd44ac8b5ca08016bb064b37edaec95eccfdbcd5 is the first bad commit
commit bd44ac8b5ca08016bb064b37edaec95eccfdbcd5
Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Sun May 11 17:20:08 2014 -0700

    i965: Don't _swrast_BlitFramebuffer when doing CopyTexSubImage.

    The point of copytexsubimage_using_blit_framebuffer is to use a hardware
    accelerated BlitFramebuffer path.  If that fails, we shouldn't do a
    swrast blit---we should try our CTSI fallback code.

    This is especially important for i965 and GLES, where we don't even
    create a swrast context.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=77705
    Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
    Reviewed-by: Eric Anholt <eric at anholt.net>
    Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>
    Cc: "10.2" <mesa-stable at lists.freedesktop.org>

:040000 040000 313ba4b4dcbf69457b565f9ce2988355431d461f
128c89746f13726404560571fe5d8a7a69df1d0b M    src
bisect run success

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