[Webkit-unassigned] [Bug 154965] New: [TextureMapper] Use RGBA format for textures attached to framebuffers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=154965

            Bug ID: 154965
           Summary: [TextureMapper] Use RGBA format for textures attached
                    to framebuffers
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: magomez at igalia.com

BitmapTextureGL internal textures always use BGRA format when the GL_EXT_texture_format_BGRA8888 extension is available, which is good for uploading data to them. But if those textures are not used to upload data, but to be attached to framebuffers, using BGRA can be a problem in some platforms (for example the RPi, where currently a BGRA texture can't be attached to a framebuffer). So, in general, using RGBA for attachment textures would be more standard and platform-friendly.

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