backend-rdp: don't use shadow buffer for the RDP backend
Since the RDP backend allocates regular memory already as hw buffer anyway, a shadow buffer is not required. The read_pixels interface anyway renders directly into the hardware buffer, hence this does not make a performance difference in practise. It avoids allocating an unnecessary buffer. Signed-off-by: Stefan Agner <stefan@agner.ch>
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@ -484,7 +484,7 @@ rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode)
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output->current_mode->flags |= WL_OUTPUT_MODE_CURRENT;
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pixman_renderer_output_destroy(output);
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pixman_renderer_output_create(output, PIXMAN_RENDERER_OUTPUT_USE_SHADOW);
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pixman_renderer_output_create(output, 0);
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new_shadow_buffer = pixman_image_create_bits(PIXMAN_x8r8g8b8, target_mode->width,
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target_mode->height, 0, target_mode->width * 4);
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