uwac: Make damage tracking more readable

This commit is contained in:
Kenny Levinsen 2019-07-25 18:44:25 +02:00 committed by akallabeth
parent d27ad43093
commit 2548fd4aae
2 changed files with 28 additions and 18 deletions

View File

@ -204,6 +204,7 @@ struct uwac_seat {
/** @brief a buffer used for drawing a surface frame */
struct uwac_buffer {
bool used;
bool dirty;
#ifdef HAVE_PIXMAN_REGION
pixman_region32_t damage;
#else

View File

@ -617,37 +617,40 @@ static const struct wl_callback_listener frame_listener =
};
static void UwacSubmitBufferPtr(UwacWindow* window, UwacBuffer* buffer)
#ifdef HAVE_PIXMAN_REGION
static void damage_surface(UwacWindow* window, UwacBuffer* buffer)
{
UINT32 nrects, i;
#ifdef HAVE_PIXMAN_REGION
const pixman_box32_t* box;
#else
const RECTANGLE_16* box;
#endif
wl_surface_attach(window->surface, buffer->wayland_buffer, 0, 0);
#ifdef HAVE_PIXMAN_REGION
box = pixman_region32_rectangles(&buffer->damage, &nrects);
const pixman_box32_t* box = pixman_region32_rectangles(&buffer->damage, &nrects);
for (i = 0; i < nrects; i++, box++)
wl_surface_damage(window->surface, box->x1, box->y1, (box->x2 - box->x1), (box->y2 - box->y1));
pixman_region32_clear(&buffer->damage);
}
#else
box = region16_rects(&buffer->damage, &nrects);
static void damage_surface(UwacWindow* window, UwacBuffer* buffer)
{
UINT32 nrects, i;
const RECTANGLE_16* box = region16_rects(&buffer->damage, &nrects);
for (i = 0; i < nrects; i++, box++)
wl_surface_damage(window->surface, box->left, box->top, (box->right - box->left),
(box->bottom - box->top));
region16_clear(&buffer->damage);
}
#endif
static void UwacSubmitBufferPtr(UwacWindow* window, UwacBuffer* buffer)
{
wl_surface_attach(window->surface, buffer->wayland_buffer, 0, 0);
damage_surface(window, buffer);
struct wl_callback* frame_callback = wl_surface_frame(window->surface);
wl_callback_add_listener(frame_callback, &frame_listener, window);
wl_surface_commit(window->surface);
#ifdef HAVE_PIXMAN_REGION
pixman_region32_clear(&buffer->damage);
#else
region16_clear(&buffer->damage);
#endif
}
@ -665,14 +668,20 @@ static void frame_done_cb(void* data, struct wl_callback* callback, uint32_t tim
}
#ifdef HAVE_PIXMAN_REGION
UwacReturnCode UwacWindowAddDamage(UwacWindow* window, uint32_t x, uint32_t y, uint32_t width,
uint32_t height)
{
#ifdef HAVE_PIXMAN_REGION
if (!pixman_region32_union_rect(&window->drawingBuffer->damage, &window->drawingBuffer->damage, x,
y, width, height))
return UWAC_ERROR_INTERNAL;
return UWAC_SUCCESS;
}
#else
UwacReturnCode UwacWindowAddDamage(UwacWindow* window, uint32_t x, uint32_t y, uint32_t width,
uint32_t height)
{
RECTANGLE_16 box;
box.left = x;
@ -681,11 +690,11 @@ UwacReturnCode UwacWindowAddDamage(UwacWindow* window, uint32_t x, uint32_t y, u
box.bottom = y + height;
if (!region16_union_rect(&window->drawingBuffer->damage, &window->drawingBuffer->damage, &box))
#endif
return UWAC_ERROR_INTERNAL;
return UWAC_SUCCESS;
}
#endif
UwacReturnCode UwacWindowGetDrawingBufferGeometry(UwacWindow* window, UwacSize* geometry, size_t* stride)
{