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libweston: remove weston_renderer::read_pixels

Browse source 
Unused.

Nowdays renderers use weston_output_pull_capture_task().

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2026-03-17 15:34:25 +02:00 • committed by Marius Vlad
parent c66d0ea09a
commit e0066a8038
4 changed files with 0 additions and 76 deletions
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4
libweston/libweston-internal.h
View file

@ -83,10 +83,6 @@ enum weston_renderer_border_side {
};
struct weston_renderer {
int (*read_pixels)(struct weston_output *output,
const struct pixel_format_info *format, void *pixels,
uint32_t x, uint32_t y,
uint32_t width, uint32_t height);
void (*repaint_output)(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer);

10
libweston/noop-renderer.c
View file

@ -36,15 +36,6 @@ struct noop_renderer {
unsigned char seed; /* see comment in attach() */
};
static int
noop_renderer_read_pixels(struct weston_output *output,
const struct pixel_format_info *format, void *pixels,
uint32_t x, uint32_t y,
uint32_t width, uint32_t height)
{
return 0;
}
static void
noop_renderer_repaint_output(struct weston_output *output,
pixman_region32_t *output_damage,
@ -139,7 +130,6 @@ noop_renderer_init(struct weston_compositor *ec)
if (renderer == NULL)
return -1;
renderer->base.read_pixels = noop_renderer_read_pixels;
renderer->base.repaint_output = noop_renderer_repaint_output;
renderer->base.resize_output = noop_renderer_resize_output;
renderer->base.flush_damage = noop_renderer_flush_damage;

36
libweston/pixman-renderer.c
View file

@ -109,41 +109,6 @@ get_renderer(struct weston_compositor *ec)
return (struct pixman_renderer *)ec->renderer;
}
static int
pixman_renderer_read_pixels(struct weston_output *output,
const struct pixel_format_info *format, void *pixels,
uint32_t x, uint32_t y,
uint32_t width, uint32_t height)
{
struct pixman_output_state *po = get_output_state(output);
pixman_image_t *out_buf;
if (!po->hw_buffer) {
errno = ENODEV;
return -1;
}
out_buf = pixman_image_create_bits(format->pixman_format,
width,
height,
pixels,
(PIXMAN_FORMAT_BPP(format->pixman_format) / 8) * width);
pixman_image_composite32(PIXMAN_OP_SRC,
po->hw_buffer, /* src */
NULL /* mask */,
out_buf, /* dest */
x, y, /* src_x, src_y */
0, 0, /* mask_x, mask_y */
0, 0, /* dest_x, dest_y */
po->fb_size.width, /* width */
po->fb_size.height /* height */);
pixman_image_unref(out_buf);
return 0;
}
#define D2F(v) pixman_double_to_fixed((double)v)
static void
@ -1104,7 +1069,6 @@ pixman_renderer_init(struct weston_compositor *ec)
renderer->repaint_debug = 0;
renderer->debug_color = NULL;
renderer->base.read_pixels = pixman_renderer_read_pixels;
renderer->base.repaint_output = pixman_renderer_repaint_output;
renderer->base.resize_output = pixman_renderer_resize_output;
renderer->base.flush_damage = pixman_renderer_flush_damage;

26
libweston/renderer-gl/gl-renderer.c
View file

@ -3118,31 +3118,6 @@ gl_renderer_repaint_output(struct weston_output *output,
gl_renderer_garbage_collect_programs(gr);
}
static int
gl_renderer_read_pixels(struct weston_output *output,
const struct pixel_format_info *format, void *pixels,
uint32_t x, uint32_t y,
uint32_t width, uint32_t height)
{
struct gl_output_state *go = get_output_state(output);
x += go->area.x;
y += go->fb_size.height - go->area.y - go->area.height;
if (format->gl_format == 0 || format->gl_type == 0)
return -1;
if (use_output(output) < 0)
return -1;
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glReadPixels(x, y, width, height, format->gl_format,
format->gl_type, pixels);
glPixelStorei(GL_PACK_ALIGNMENT, 4);
return 0;
}
static void
gl_renderer_flush_damage(struct weston_paint_node *pnode)
{
@ -5020,7 +4995,6 @@ gl_renderer_display_create(struct weston_compositor *ec,
if (gl_renderer_setup_egl_client_extensions(gr) < 0)
goto fail;
gr->base.read_pixels = gl_renderer_read_pixels;
gr->base.repaint_output = gl_renderer_repaint_output;
gr->base.resize_output = gl_renderer_resize_output;
gr->base.create_renderbuffer = gl_renderer_create_renderbuffer;