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libweston: Add error return code to repaint_output

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Supports returning an error code during the repaint process of
renderer

Signed-off-by: Trigger Huang <Trigger.Huang@amd.com>
This commit is contained in:
Trigger Huang 2026-04-23 13:22:55 +08:00
parent 64713ca283
commit fcde9fc220
5 changed files with 23 additions and 9 deletions
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11
libweston/libweston-internal.h
View file

@ -82,10 +82,15 @@ enum weston_renderer_border_side {
WESTON_RENDERER_BORDER_BOTTOM = 3,
};
enum weston_renderer_error {
WESTON_RENDERER_ERROR_NONE = 0,
WESTON_RENDERER_ERROR_LOST = 1,
};
struct weston_renderer {
void (*repaint_output)(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer);
enum weston_renderer_error (*repaint_output)(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer);
/** See weston_renderer_resize_output()
*

3
libweston/noop-renderer.c
View file

@ -36,11 +36,12 @@ struct noop_renderer {
unsigned char seed; /* see comment in attach() */
};
static void
static enum weston_renderer_error
noop_renderer_repaint_output(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer)
{
return WESTON_RENDERER_ERROR_NONE;
}
static bool

7
libweston/pixman-renderer.c
View file

@ -598,7 +598,7 @@ static void
pixman_renderer_output_set_buffer(struct weston_output *output,
pixman_image_t *buffer);
static void
static enum weston_renderer_error
pixman_renderer_repaint_output(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer)
@ -622,7 +622,7 @@ pixman_renderer_repaint_output(struct weston_output *output,
output->color_outcome->from_blend_to_output == NULL);
if (!po->hw_buffer)
return;
goto out;
if (po->shadow_image) {
repaint_surfaces(output, output_damage);
@ -641,6 +641,9 @@ pixman_renderer_repaint_output(struct weston_output *output,
wl_signal_emit(&output->frame_signal, output_damage);
/* Actual flip should be done by caller */
out:
return WESTON_RENDERER_ERROR_NONE;
}
static void

7
libweston/renderer-gl/gl-renderer.c
View file

@ -3088,7 +3088,7 @@ blit_shadow_to_output(struct weston_output *output,
* Depending on the underlying hardware, violating that assumption could
* result in seeing through to another display plane.
*/
static void
static enum weston_renderer_error
gl_renderer_repaint_output(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer)
@ -3114,7 +3114,7 @@ gl_renderer_repaint_output(struct weston_output *output,
go->fb_size.height - go->area.height - go->area.y : go->area.y;
if (use_output(output) < 0)
return;
goto out;
rb = gl_renderer_update_renderbuffers(output, output_damage,
renderbuffer);
@ -3315,6 +3315,9 @@ gl_renderer_repaint_output(struct weston_output *output,
gr->wireframe_dirty = false;
gl_renderer_garbage_collect_programs(gr);
out:
return WESTON_RENDERER_ERROR_NONE;
}
static void

4
libweston/renderer-vulkan/vulkan-renderer.c
View file

@ -2400,7 +2400,7 @@ vulkan_renderer_recreate_swapchain(struct weston_output *output,
vulkan_renderer_create_swapchain(output, fb_size);
}
static void
static enum weston_renderer_error
vulkan_renderer_repaint_output(struct weston_output *output,
pixman_region32_t *output_damage,
weston_renderbuffer_t renderbuffer)
@ -2670,6 +2670,8 @@ vulkan_renderer_repaint_output(struct weston_output *output,
pixman_region32_clear(&rb->damage);
vo->frame_index = (vo->frame_index + 1) % vo->num_frames;
return WESTON_RENDERER_ERROR_NONE;
}
static void