render/gles2: Fixup dropping has_alpha from pixel_format

Fixes: 71fb55f3 ("render/pixel-format: Move has_alpha into it's own array")

render/gles2/pixel_format.c

@@ -141,9 +141,7 @@ const struct wlr_gles2_pixel_format *get_gles2_format_from_gl(
 			continue;
 		}
 
-		const struct wlr_pixel_format_info *drm_fmt =
-			drm_get_pixel_format_info(formats[i].drm_format);
-		if (drm_fmt->has_alpha != alpha) {
+		if (pixel_format_has_alpha(formats[i].drm_format) != alpha) {
 			continue;
 		}
 

render/gles2/texture.c

@@ -330,7 +330,7 @@ static struct wlr_texture *gles2_texture_from_pixels(
 		return NULL;
 	}
 	texture->target = GL_TEXTURE_2D;
-	texture->has_alpha = drm_fmt->has_alpha;
+	texture->has_alpha = pixel_format_has_alpha(fmt->drm_format);
 	texture->drm_format = fmt->drm_format;
 
 	GLint internal_format = fmt->gl_internalformat;