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[GRIM] Fix subtitle alignment for OpenGL with shaders #3354

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@somaen somaen commented Sep 7, 2021

This is a quick attempt at trying to fix the broken positioning of text in Grim when using the OpenGL shader renderer.

@eriktorbjorn noted that this may stem from the OpenGL (with shaders)-renderer lacking a proper implementation of getScreenBoundingBox, so I went ahead and adapted one.

This was done by comparing the getScreenBoundingBox implementations for EFMI/Grim in the OpenGL-renderer, and noticing that those were only different in how they got at their data, as there was already an implementation for EFMI in the shader-renderer, I copy pasted that code, and adapted the differences I found when comparing the OpenGL-implementation, which seems to improve things.

sev- and others added 2 commits Aug 28, 2021
Just copy-pasted the contents of the Escape from Monkey Island
code below, and made adjustments based on the diff between
the two functions as they are in the regular OpenGL renderer.
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@sev- sev- commented Sep 7, 2021

It is not just quick, but also fairly dirty :D You did not rebase your branch.

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