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render/gles2: assert that GL_OES_EGL_image_external is supported

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The target is set to GL_TEXTURE_EXTERNAL_OES when
EGL_EXT_image_dma_buf_import_modifiers [1] returns an external_only
flag. That spec states:

> In order to support imports for the GL_TEXTURE_EXTERNAL_OES target, a
> compatible OpenGL ES implementation supporting GL_OES_EGL_image_external
> must be present.

Fail hearder when a driver doesn't follow the spec instead of
skipping rendering.

See [2].

[1]: https://registry.khronos.org/EGL/extensions/EXT/EGL_EXT_image_dma_buf_import_modifiers.txt
[2]: https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/3631#note_1584343
This commit is contained in:
Simon Ser 2022-10-10 09:25:33 +02:00 committed by Alexander Orzechowski
parent f216e97983
commit 9549749507
1 changed files with 3 additions and 6 deletions
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9
render/gles2/renderer.c
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@ -267,13 +267,10 @@ static bool gles2_render_subtexture_with_matrix(
}
break;
case GL_TEXTURE_EXTERNAL_OES:
// EGL_EXT_image_dma_buf_import_modifiers requires
// GL_OES_EGL_image_external
assert(renderer->exts.OES_egl_image_external);
shader = &renderer->shaders.tex_ext;
if (!renderer->exts.OES_egl_image_external) {
wlr_log(WLR_ERROR, "Failed to render texture: "
"GL_TEXTURE_EXTERNAL_OES not supported");
return false;
}
break;
default:
abort();