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Revert "Revert "cogl: Pick glReadPixels format by target, not source""

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This reverts commit 4f72099023.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/486
This commit is contained in:
Carlos Garnacho 2019-03-07 22:56:35 +01:00
parent 4f72099023
commit d83a325f98
1 changed files with 5 additions and 1 deletions
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6
cogl/cogl/driver/gl/cogl-framebuffer-gl.c
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@ -4,6 +4,7 @@
* A Low Level GPU Graphics and Utilities API
*
* Copyright (C) 2007,2008,2009,2012 Intel Corporation.
* Copyright (C) 2018 DisplayLink (UK) Ltd.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
@ -1273,9 +1274,12 @@ _cogl_framebuffer_gl_read_pixels_into_bitmap (CoglFramebuffer *framebuffer,
if (!cogl_is_offscreen (framebuffer))
y = framebuffer_height - y - height;
/* Use target format ANY, because GL texture_swizzle extension cannot
* ever apply for glReadPixels.
*/
required_format = ctx->driver_vtable->pixel_format_to_gl_with_target (ctx,
framebuffer->internal_format,
format,
COGL_PIXEL_FORMAT_ANY,
&gl_intformat,
&gl_format,
&gl_type);