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Clément Foucault d5fe6e4785 GPU: Add workarounds for buggy glBlitFramebuffer function on macOS + Radeon ...

When calling glBlitFramebuffer on most (if not all) mac that have a GPU
from the Radeon Pro series, the data is not properly copied and only a
subset of the pixels are correctly copied.

This only happens when blitting the depth buffer if the depth buffer is
GL_DEPTH24_STENCIL8.

Changing the depth buffer format to GPU_DEPTH32F_STENCIL8 fixes the issue
but only works if blitting the depth componnent. The stencil componnent
still provoke issues when being copied.

2018-10-26 10:54:21 +02:00

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