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cogl/texture-2d-gl: Bind correct target when getting data

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While for normal textures, GL_TEXTURE_2D should be used, when it's an external
texture, binding it using GL_TEXTURE_2D results in an error.

Reading the specification for GL_TEXTURE_EXTERNAL_OES it is unclear whether
getting pixel data from a texture is possible, and tests show it doesn't result
in any data, but in case it would eventually start working, at least bind the
correct target for now.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/362
This commit is contained in:
Jonas Ådahl 2018-12-19 10:12:49 +01:00 committed by Ray Strode
parent 29e7a69729
commit 6dc7bacf08
1 changed files with 2 additions and 2 deletions
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4
cogl/cogl/driver/gl/cogl-texture-2d-gl.c
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@ -859,12 +859,12 @@ _cogl_texture_2d_gl_get_data (CoglTexture2D *tex_2d,
width,
bpp);
_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
_cogl_bind_gl_texture_transient (tex_2d->gl_target,
tex_2d->gl_texture,
tex_2d->is_foreign);
ctx->texture_driver->gl_get_tex_image (ctx,
GL_TEXTURE_2D,
tex_2d->gl_target,
gl_format,
gl_type,
data);