The shader code is hard-wired into the relevant material in the
qtdeclarative module and there is no way to replace it at present (that
I know of) apart from altering the source and building a customised
version. Maybe Gunnar knows of way?
Another option would be to write yourself a custom material using the SG
API and assigning that to a specialised CustomImage item.
I agree that in some cases such a feature would indeed be useful to
avoid having to do this.
Cheers,
Sean
On 22/10/2013 14:20, Ola Røer Thorsen wrote:
Hi all,
I want to use a custom fragment shader when rendering a Image item. Is
it possible to set the shader to use directly somehow? That is, I want
to use a custom shader instead of the "passthrough" fragment shader
used in the Image element.
I have tried using the QtGraphicalEffects (GammaAdjust), but the
performance is not good enough on my target platform (Omap 3530).
ShaderEffect elements work, but they also seem to render via another
render-texture, again with a performance loss.
Best regards,
Ola
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