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pixman-renderer: implement surface_copy_content 

Changes in v2:
- remove stride and format arguments from the API

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
v1 Tested-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Pekka Paalanen 2015-02-11 12:29:56 +02:00
parent eb35cbe2b1
commit 6764bbee3b
1 changed files with 52 additions and 0 deletions
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52
src/pixman-renderer.c
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@ -1,6 +1,7 @@
/*
* Copyright © 2012 Intel Corporation
* Copyright © 2013 Vasily Khoruzhick <anarsoul@gmail.com>
* Copyright © 2015 Collabora, Ltd.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
@ -675,6 +676,53 @@ pixman_renderer_destroy(struct weston_compositor *ec)
ec->renderer = NULL;
}
static void
pixman_renderer_surface_get_content_size(struct weston_surface *surface,
int *width, int *height)
{
struct pixman_surface_state *ps = get_surface_state(surface);
if (ps->image) {
*width = pixman_image_get_width(ps->image);
*height = pixman_image_get_height(ps->image);
} else {
*width = 0;
*height = 0;
}
}
static int
pixman_renderer_surface_copy_content(struct weston_surface *surface,
void *target, size_t size,
int src_x, int src_y,
int width, int height)
{
const pixman_format_code_t format = PIXMAN_a8b8g8r8;
const size_t bytespp = 4; /* PIXMAN_a8b8g8r8 */
struct pixman_surface_state *ps = get_surface_state(surface);
pixman_image_t *out_buf;
if (!ps->image)
return -1;
out_buf = pixman_image_create_bits(format, width, height,
target, width * bytespp);
pixman_image_set_transform(ps->image, NULL);
pixman_image_composite32(PIXMAN_OP_SRC,
ps->image, /* src */
NULL, /* mask */
out_buf, /* dest */
src_x, src_y, /* src_x, src_y */
0, 0, /* mask_x, mask_y */
0, 0, /* dest_x, dest_y */
width, height);
pixman_image_unref(out_buf);
return 0;
}
static void
debug_binding(struct weston_seat *seat, uint32_t time, uint32_t key,
void *data)
@ -713,6 +761,10 @@ pixman_renderer_init(struct weston_compositor *ec)
renderer->base.attach = pixman_renderer_attach;
renderer->base.surface_set_color = pixman_renderer_surface_set_color;
renderer->base.destroy = pixman_renderer_destroy;
renderer->base.surface_get_content_size =
pixman_renderer_surface_get_content_size;
renderer->base.surface_copy_content =
pixman_renderer_surface_copy_content;
ec->renderer = &renderer->base;
ec->capabilities |= WESTON_CAP_ROTATION_ANY;
ec->capabilities |= WESTON_CAP_CAPTURE_YFLIP;