[Webkit-unassigned] [Bug 118825] New: [cairo] crash with large accelerated canvas

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=118825

           Summary: [cairo] crash with large accelerated canvas
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Canvas
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: a.renevier at samsung.com


Hi,
when there is a large accelerated canvas (with a dimension larger than GL_MAX_RENDERBUFFER_SIZE) actually, webkit web process crashes by triggering the following cairo assertion:
cairo-gl-surface.c:407: _cairo_gl_surface_create_scratch_for_texture: Assertion `width <= ctx->max_framebuffer_size && height <= ctx->max_framebuffer_size' failed.

See testcase (GL_MAX_RENDERBUFFER_SIZE is 8192 on my system)

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