[Bug 107026] [SNB][WebGL] conformance/extensions/oes-texture-half-float.html INVALID_FRAMEBUFFER_OPERATION error

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107026

            Bug ID: 107026
           Summary: [SNB][WebGL]
                    conformance/extensions/oes-texture-half-float.html
                    INVALID_FRAMEBUFFER_OPERATION error
           Product: Mesa
           Version: 18.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: kinetocore at hotmail.it
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 140319
  --> https://bugs.freedesktop.org/attachment.cgi?id=140319&action=edit
glxinfo

https://www.khronos.org/registry/webgl/sdk/tests/webgl-conformance-tests.html

Using the WebGL 1.0.4 conformance test on my Sandybridge laptop.

conformance/extensions/oes-texture-half-float.html (Passed: 107/121 Failed:
14/121 in 683.0 ms)

    failed: getError expected: INVALID_OPERATION. Was
INVALID_FRAMEBUFFER_OPERATION : IMPLEMENTATION_COLOR_READ_FORMAT should fail
for incomplete framebuffers.
    failed: getError expected: INVALID_OPERATION. Was
INVALID_FRAMEBUFFER_OPERATION : IMPLEMENTATION_COLOR_READ_TYPE should fail for
incomplete framebuffers.
    failed: getError expected: INVALID_OPERATION. Was
INVALID_FRAMEBUFFER_OPERATION : IMPLEMENTATION_COLOR_READ_FORMAT should fail
for incomplete framebuffers.
    failed: getError expected: INVALID_OPERATION. Was
INVALID_FRAMEBUFFER_OPERATION : IMPLEMENTATION_COLOR_READ_TYPE should fail for
incomplete framebuffers.
    failed: getError expected: INVALID_OPERATION. Was
INVALID_FRAMEBUFFER_OPERATION : IMPLEMENTATION_COLOR_READ_FORMAT should fail
for incomplete framebuffers.
    failed: getError expected: INVALID_OPERATION. Was
INVALID_FRAMEBUFFER_OPERATION : IMPLEMENTATION_COLOR_READ_TYPE should fail for
incomplete framebuffers.
    failed: getError expected: NO_ERROR. Was INVALID_ENUM : readPixels should
return NO_ERROR when reading FLOAT data.
    failed: Green channel should be 0.25 for FLOAT readPixels. Received: 0
    failed: Blue channel should be 0.5 for FLOAT readPixels. Received: 0
    failed: Alpha channel should be 0.75 for FLOAT readPixels. Received: 0
    failed: getError expected: NO_ERROR. Was INVALID_ENUM : readPixels should
return NO_ERROR when reading FLOAT data.
    failed: Green channel should be 0.25 for FLOAT readPixels. Received: 0
    failed: Blue channel should be 0.5 for FLOAT readPixels. Received: 0
    failed: Alpha channel should be 1 for FLOAT readPixels. Received: 0

The other subtests are OK.

I'm using Mesa 1.8.1.1 on Firefox 60.0.2 Manjaro Linux (i've attached a
complete glxinfo).

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