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render/gles2: set has_alpha for DMA-BUFs
Use our internal pixel format table to figure out whether an imported DMA-BUF has alpha.
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1 changed files with 9 additions and 1 deletions
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@ -248,11 +248,19 @@ static struct wlr_texture *gles2_texture_from_dmabuf(
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if (texture == NULL) {
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return NULL;
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}
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texture->has_alpha = true;
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texture->drm_format = DRM_FORMAT_INVALID; // texture can't be written anyways
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texture->inverted_y =
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(attribs->flags & WLR_DMABUF_ATTRIBUTES_FLAGS_Y_INVERT) != 0;
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const struct wlr_pixel_format_info *drm_fmt =
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drm_get_pixel_format_info(attribs->format);
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if (drm_fmt != NULL) {
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texture->has_alpha = drm_fmt->has_alpha;
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} else {
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// We don't know, assume the texture has an alpha channel
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texture->has_alpha = true;
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}
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struct wlr_egl_context prev_ctx;
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wlr_egl_save_context(&prev_ctx);
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wlr_egl_make_current(renderer->egl);
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