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gl: handle B8G8R8 texture data when uploading

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We do not need to translate this on the CPU when we can instead push it
to the GPU in the same format and allow it to swizzle.

This fixes a huge number of memory allocations found while uploading the
GTK animation in widget-factory.
This commit is contained in:
Christian Hergert 2021-02-08 15:30:58 -08:00
parent 360a66e945
commit 3a43663630
1 changed files with 6 additions and 0 deletions
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6
gdk/gdkglcontext.c
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@ -271,6 +271,12 @@ gdk_gl_context_upload_texture (GdkGLContext *context,
gl_type = GL_UNSIGNED_BYTE;
bpp = 3;
}
else if (data_format == GDK_MEMORY_B8G8R8)
{
gl_format = GL_BGR;
gl_type = GL_UNSIGNED_BYTE;
bpp = 3;
}
else /* Fall-back, convert to cairo-surface-format */
{
copy = g_malloc (width * height * 4);