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pixman-renderer: Add repaint debugging feature

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Add 'R' as a debug shortcut that highlights repainted regions.
This commit is contained in:
Ander Conselvan de Oliveira 2013-01-25 15:13:00 +02:00 • committed by Kristian Høgsberg
parent edc51c0f9c
commit 8792ef12b6
1 changed files with 52 additions and 10 deletions
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62
src/pixman-renderer.c
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@ -28,6 +28,8 @@
#include "pixman-renderer.h"
#include <linux/input.h>
struct pixman_output_state {
pixman_image_t *hw_buffer;
};
@ -39,6 +41,8 @@ struct pixman_surface_state {
struct pixman_renderer {
struct weston_renderer base;
int repaint_debug;
pixman_image_t *debug_color;
};
static inline struct pixman_output_state *
@ -103,6 +107,8 @@ repaint_region(struct weston_surface *es, struct weston_output *output,
pixman_region32_t *region, pixman_region32_t *surf_region,
pixman_op_t pixman_op)
{
struct pixman_renderer *pr =
(struct pixman_renderer *) output->compositor->renderer;
struct pixman_surface_state *ps = get_surface_state(es);
struct pixman_output_state *po = get_output_state(output);
pixman_region32_t final_region;
@ -140,6 +146,19 @@ repaint_region(struct weston_surface *es, struct weston_output *output,
rects[i].x1, rects[i].y1, /* dest_x, dest_y */
rects[i].x2 - rects[i].x1, /* width */
rects[i].y2 - rects[i].y1 /* height */);
if (!pr->repaint_debug)
continue;
pixman_image_composite32(PIXMAN_OP_OVER,
pr->debug_color, /* src */
NULL /* mask */,
po->hw_buffer, /* dest */
src_x, src_y, /* src_x, src_y */
0, 0, /* mask_x, mask_y */
rects[i].x1, rects[i].y1, /* dest_x, dest_y */
rects[i].x2 - rects[i].x1, /* width */
rects[i].y2 - rects[i].y1 /* height */);
}
pixman_region32_fini(&final_region);
}
@ -319,25 +338,48 @@ pixman_renderer_destroy(struct weston_compositor *ec)
ec->renderer = NULL;
}
static void
debug_binding(struct wl_seat *seat, uint32_t time, uint32_t key,
void *data)
{
struct weston_compositor *ec = data;
struct pixman_renderer *pr = (struct pixman_renderer *) ec->renderer;
pr->repaint_debug ^= 1;
if (pr->repaint_debug) {
pixman_color_t red = {
0x3fff, 0x0000, 0x0000, 0x3fff
};
pr->debug_color = pixman_image_create_solid_fill(&red);
} else {
pixman_image_unref(pr->debug_color);
weston_compositor_damage_all(ec);
}
}
WL_EXPORT int
pixman_renderer_init(struct weston_compositor *ec)
{
struct weston_renderer *renderer;
struct pixman_renderer *renderer;
renderer = malloc(sizeof *renderer);
if (renderer == NULL)
return -1;
renderer->read_pixels = pixman_renderer_read_pixels;
renderer->repaint_output = pixman_renderer_repaint_output;
renderer->flush_damage = pixman_renderer_flush_damage;
renderer->attach = pixman_renderer_attach;
renderer->create_surface = pixman_renderer_create_surface;
renderer->surface_set_color = pixman_renderer_surface_set_color;
renderer->destroy_surface = pixman_renderer_destroy_surface;
renderer->destroy = pixman_renderer_destroy;
ec->renderer = renderer;
renderer->base.read_pixels = pixman_renderer_read_pixels;
renderer->base.repaint_output = pixman_renderer_repaint_output;
renderer->base.flush_damage = pixman_renderer_flush_damage;
renderer->base.attach = pixman_renderer_attach;
renderer->base.create_surface = pixman_renderer_create_surface;
renderer->base.surface_set_color = pixman_renderer_surface_set_color;
renderer->base.destroy_surface = pixman_renderer_destroy_surface;
renderer->base.destroy = pixman_renderer_destroy;
ec->renderer = &renderer->base;
weston_compositor_add_debug_binding(ec, KEY_R,
debug_binding, ec);
return 0;
}