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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>
This commit is contained in:
Stefan Agner 2019-06-16 23:42:58 +02:00
parent 7b679772e3
commit 24756a8965
1 changed files with 1 additions and 1 deletions
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2
libweston/backend-rdp/rdp.c
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@ -484,7 +484,7 @@ rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode)
output->current_mode->flags |= WL_OUTPUT_MODE_CURRENT;
pixman_renderer_output_destroy(output);
pixman_renderer_output_create(output, PIXMAN_RENDERER_OUTPUT_USE_SHADOW);
pixman_renderer_output_create(output, 0);
new_shadow_buffer = pixman_image_create_bits(PIXMAN_x8r8g8b8, target_mode->width,
target_mode->height, 0, target_mode->width * 4);