[PATCH weston 02/13] Update the DRM backend to handle views
Jason Ekstrand
jason at jlekstrand.net
Sun Oct 13 05:38:12 CEST 2013
Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
---
src/compositor-drm.c | 160 ++++++++++++++++++++++++++-------------------------
1 file changed, 82 insertions(+), 78 deletions(-)
diff --git a/src/compositor-drm.c b/src/compositor-drm.c
index ad5a2c3..4f4d54d 100644
--- a/src/compositor-drm.c
+++ b/src/compositor-drm.c
@@ -155,7 +155,7 @@ struct drm_output {
struct gbm_bo *cursor_bo[2];
struct weston_plane cursor_plane;
struct weston_plane fb_plane;
- struct weston_surface *cursor_surface;
+ struct weston_view *cursor_view;
int current_cursor;
struct drm_fb *current, *next;
struct backlight *backlight;
@@ -439,23 +439,23 @@ drm_output_check_scanout_format(struct drm_output *output,
}
static struct weston_plane *
-drm_output_prepare_scanout_surface(struct weston_output *_output,
- struct weston_surface *es)
+drm_output_prepare_scanout_view(struct weston_output *_output,
+ struct weston_view *ev)
{
struct drm_output *output = (struct drm_output *) _output;
struct drm_compositor *c =
(struct drm_compositor *) output->base.compositor;
- struct weston_buffer *buffer = es->buffer_ref.buffer;
+ struct weston_buffer *buffer = ev->surface->buffer_ref.buffer;
struct gbm_bo *bo;
uint32_t format;
- if (es->geometry.x != output->base.x ||
- es->geometry.y != output->base.y ||
+ if (ev->geometry.x != output->base.x ||
+ ev->geometry.y != output->base.y ||
buffer == NULL || c->gbm == NULL ||
buffer->width != output->base.current_mode->width ||
buffer->height != output->base.current_mode->height ||
- output->base.transform != es->buffer_transform ||
- es->transform.enabled)
+ output->base.transform != ev->surface->buffer_transform ||
+ ev->transform.enabled)
return NULL;
bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
@@ -465,7 +465,7 @@ drm_output_prepare_scanout_surface(struct weston_output *_output,
if (!bo)
return NULL;
- format = drm_output_check_scanout_format(output, es, bo);
+ format = drm_output_check_scanout_format(output, ev->surface, bo);
if (format == 0) {
gbm_bo_destroy(bo);
return NULL;
@@ -746,7 +746,7 @@ page_flip_handler(int fd, unsigned int frame,
static uint32_t
drm_output_check_sprite_format(struct drm_sprite *s,
- struct weston_surface *es, struct gbm_bo *bo)
+ struct weston_view *ev, struct gbm_bo *bo)
{
uint32_t i, format;
@@ -756,9 +756,9 @@ drm_output_check_sprite_format(struct drm_sprite *s,
pixman_region32_t r;
pixman_region32_init_rect(&r, 0, 0,
- es->geometry.width,
- es->geometry.height);
- pixman_region32_subtract(&r, &r, &es->opaque);
+ ev->geometry.width,
+ ev->geometry.height);
+ pixman_region32_subtract(&r, &r, &ev->surface->opaque);
if (!pixman_region32_not_empty(&r))
format = GBM_FORMAT_XRGB8888;
@@ -774,15 +774,15 @@ drm_output_check_sprite_format(struct drm_sprite *s,
}
static int
-drm_surface_transform_supported(struct weston_surface *es)
+drm_view_transform_supported(struct weston_view *ev)
{
- return !es->transform.enabled ||
- (es->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
+ return !ev->transform.enabled ||
+ (ev->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
}
static struct weston_plane *
-drm_output_prepare_overlay_surface(struct weston_output *output_base,
- struct weston_surface *es)
+drm_output_prepare_overlay_view(struct weston_output *output_base,
+ struct weston_view *ev)
{
struct weston_compositor *ec = output_base->compositor;
struct drm_compositor *c =(struct drm_compositor *) ec;
@@ -797,28 +797,28 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
if (c->gbm == NULL)
return NULL;
- if (es->buffer_transform != output_base->transform)
+ if (ev->surface->buffer_transform != output_base->transform)
return NULL;
- if (es->buffer_scale != output_base->current_scale)
+ if (ev->surface->buffer_scale != output_base->current_scale)
return NULL;
if (c->sprites_are_broken)
return NULL;
- if (es->output_mask != (1u << output_base->id))
+ if (ev->output_mask != (1u << output_base->id))
return NULL;
- if (es->buffer_ref.buffer == NULL)
+ if (ev->surface->buffer_ref.buffer == NULL)
return NULL;
- if (es->alpha != 1.0f)
+ if (ev->alpha != 1.0f)
return NULL;
- if (wl_shm_buffer_get(es->buffer_ref.buffer->resource))
+ if (wl_shm_buffer_get(ev->surface->buffer_ref.buffer->resource))
return NULL;
- if (!drm_surface_transform_supported(es))
+ if (!drm_view_transform_supported(ev))
return NULL;
wl_list_for_each(s, &c->sprite_list, link) {
@@ -836,12 +836,12 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
return NULL;
bo = gbm_bo_import(c->gbm, GBM_BO_IMPORT_WL_BUFFER,
- es->buffer_ref.buffer->resource,
+ ev->surface->buffer_ref.buffer->resource,
GBM_BO_USE_SCANOUT);
if (!bo)
return NULL;
- format = drm_output_check_sprite_format(s, es, bo);
+ format = drm_output_check_sprite_format(s, ev, bo);
if (format == 0) {
gbm_bo_destroy(bo);
return NULL;
@@ -853,9 +853,9 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
return NULL;
}
- drm_fb_set_buffer(s->next, es->buffer_ref.buffer);
+ drm_fb_set_buffer(s->next, ev->surface->buffer_ref.buffer);
- box = pixman_region32_extents(&es->transform.boundingbox);
+ box = pixman_region32_extents(&ev->transform.boundingbox);
s->plane.x = box->x1;
s->plane.y = box->y1;
@@ -865,7 +865,7 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
* for us already).
*/
pixman_region32_init(&dest_rect);
- pixman_region32_intersect(&dest_rect, &es->transform.boundingbox,
+ pixman_region32_intersect(&dest_rect, &ev->transform.boundingbox,
&output_base->region);
pixman_region32_translate(&dest_rect, -output_base->x, -output_base->y);
box = pixman_region32_extents(&dest_rect);
@@ -881,36 +881,37 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
pixman_region32_fini(&dest_rect);
pixman_region32_init(&src_rect);
- pixman_region32_intersect(&src_rect, &es->transform.boundingbox,
+ pixman_region32_intersect(&src_rect, &ev->transform.boundingbox,
&output_base->region);
box = pixman_region32_extents(&src_rect);
- weston_surface_from_global_fixed(es,
- wl_fixed_from_int(box->x1),
- wl_fixed_from_int(box->y1),
- &sx1, &sy1);
- weston_surface_from_global_fixed(es,
- wl_fixed_from_int(box->x2),
- wl_fixed_from_int(box->y2),
- &sx2, &sy2);
+ weston_view_from_global_fixed(ev,
+ wl_fixed_from_int(box->x1),
+ wl_fixed_from_int(box->y1),
+ &sx1, &sy1);
+ weston_view_from_global_fixed(ev,
+ wl_fixed_from_int(box->x2),
+ wl_fixed_from_int(box->y2),
+ &sx2, &sy2);
if (sx1 < 0)
sx1 = 0;
if (sy1 < 0)
sy1 = 0;
- if (sx2 > wl_fixed_from_int(es->geometry.width))
- sx2 = wl_fixed_from_int(es->geometry.width);
- if (sy2 > wl_fixed_from_int(es->geometry.height))
- sy2 = wl_fixed_from_int(es->geometry.height);
+ if (sx2 > wl_fixed_from_int(ev->geometry.width))
+ sx2 = wl_fixed_from_int(ev->geometry.width);
+ if (sy2 > wl_fixed_from_int(ev->geometry.height))
+ sy2 = wl_fixed_from_int(ev->geometry.height);
tbox.x1 = sx1;
tbox.y1 = sy1;
tbox.x2 = sx2;
tbox.y2 = sy2;
- tbox = weston_transformed_rect(wl_fixed_from_int(es->geometry.width),
- wl_fixed_from_int(es->geometry.height),
- es->buffer_transform, es->buffer_scale, tbox);
+ tbox = weston_transformed_rect(wl_fixed_from_int(ev->geometry.width),
+ wl_fixed_from_int(ev->geometry.height),
+ ev->surface->buffer_transform,
+ ev->surface->buffer_scale, tbox);
s->src_x = tbox.x1 << 8;
s->src_y = tbox.y1 << 8;
@@ -922,8 +923,8 @@ drm_output_prepare_overlay_surface(struct weston_output *output_base,
}
static struct weston_plane *
-drm_output_prepare_cursor_surface(struct weston_output *output_base,
- struct weston_surface *es)
+drm_output_prepare_cursor_view(struct weston_output *output_base,
+ struct weston_view *ev)
{
struct drm_compositor *c =
(struct drm_compositor *) output_base->compositor;
@@ -933,18 +934,18 @@ drm_output_prepare_cursor_surface(struct weston_output *output_base,
return NULL;
if (output->base.transform != WL_OUTPUT_TRANSFORM_NORMAL)
return NULL;
- if (output->cursor_surface)
+ if (output->cursor_view)
return NULL;
- if (es->output_mask != (1u << output_base->id))
+ if (ev->output_mask != (1u << output_base->id))
return NULL;
if (c->cursors_are_broken)
return NULL;
- if (es->buffer_ref.buffer == NULL ||
- !wl_shm_buffer_get(es->buffer_ref.buffer->resource) ||
- es->geometry.width > 64 || es->geometry.height > 64)
+ if (ev->surface->buffer_ref.buffer == NULL ||
+ !wl_shm_buffer_get(ev->surface->buffer_ref.buffer->resource) ||
+ ev->geometry.width > 64 || ev->geometry.height > 64)
return NULL;
- output->cursor_surface = es;
+ output->cursor_view = ev;
return &output->cursor_plane;
}
@@ -952,7 +953,7 @@ drm_output_prepare_cursor_surface(struct weston_output *output_base,
static void
drm_output_set_cursor(struct drm_output *output)
{
- struct weston_surface *es = output->cursor_surface;
+ struct weston_view *ev = output->cursor_view;
struct drm_compositor *c =
(struct drm_compositor *) output->base.compositor;
EGLint handle, stride;
@@ -961,24 +962,24 @@ drm_output_set_cursor(struct drm_output *output)
unsigned char *s;
int i, x, y;
- output->cursor_surface = NULL;
- if (es == NULL) {
+ output->cursor_view = NULL;
+ if (ev == NULL) {
drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
return;
}
- if (es->buffer_ref.buffer &&
+ if (ev->surface->buffer_ref.buffer &&
pixman_region32_not_empty(&output->cursor_plane.damage)) {
pixman_region32_fini(&output->cursor_plane.damage);
pixman_region32_init(&output->cursor_plane.damage);
output->current_cursor ^= 1;
bo = output->cursor_bo[output->current_cursor];
memset(buf, 0, sizeof buf);
- stride = wl_shm_buffer_get_stride(es->buffer_ref.buffer->shm_buffer);
- s = wl_shm_buffer_get_data(es->buffer_ref.buffer->shm_buffer);
- for (i = 0; i < es->geometry.height; i++)
+ stride = wl_shm_buffer_get_stride(ev->surface->buffer_ref.buffer->shm_buffer);
+ s = wl_shm_buffer_get_data(ev->surface->buffer_ref.buffer->shm_buffer);
+ for (i = 0; i < ev->geometry.height; i++)
memcpy(buf + i * 64, s + i * stride,
- es->geometry.width * 4);
+ ev->geometry.width * 4);
if (gbm_bo_write(bo, buf, sizeof buf) < 0)
weston_log("failed update cursor: %m\n");
@@ -991,8 +992,8 @@ drm_output_set_cursor(struct drm_output *output)
}
}
- x = (es->geometry.x - output->base.x) * output->base.current_scale;
- y = (es->geometry.y - output->base.y) * output->base.current_scale;
+ x = (ev->geometry.x - output->base.x) * output->base.current_scale;
+ y = (ev->geometry.y - output->base.y) * output->base.current_scale;
if (output->cursor_plane.x != x || output->cursor_plane.y != y) {
if (drmModeMoveCursor(c->drm.fd, output->crtc_id, x, y)) {
weston_log("failed to move cursor: %m\n");
@@ -1009,7 +1010,7 @@ drm_assign_planes(struct weston_output *output)
{
struct drm_compositor *c =
(struct drm_compositor *) output->compositor;
- struct weston_surface *es, *next;
+ struct weston_view *ev, *next;
pixman_region32_t overlap, surface_overlap;
struct weston_plane *primary, *next_plane;
@@ -1028,36 +1029,39 @@ drm_assign_planes(struct weston_output *output)
*/
pixman_region32_init(&overlap);
primary = &c->base.primary_plane;
- wl_list_for_each_safe(es, next, &c->base.surface_list, link) {
+
+ /* Flag all visible surfaces as keep_buffer = 1 */
+ wl_list_for_each(ev, &c->base.view_list, link)
+ ev->surface->keep_buffer = 1;
+
+ wl_list_for_each_safe(ev, next, &c->base.view_list, link) {
/* test whether this buffer can ever go into a plane:
* non-shm, or small enough to be a cursor
*/
- if ((es->buffer_ref.buffer &&
- !wl_shm_buffer_get(es->buffer_ref.buffer->resource)) ||
- (es->geometry.width <= 64 && es->geometry.height <= 64))
- es->keep_buffer = 1;
- else
- es->keep_buffer = 0;
+ if (!ev->surface->buffer_ref.buffer ||
+ (wl_shm_buffer_get(ev->surface->buffer_ref.buffer->resource) &&
+ (ev->geometry.width > 64 || ev->geometry.height > 64)))
+ ev->surface->keep_buffer = 0;
pixman_region32_init(&surface_overlap);
pixman_region32_intersect(&surface_overlap, &overlap,
- &es->transform.boundingbox);
+ &ev->transform.boundingbox);
next_plane = NULL;
if (pixman_region32_not_empty(&surface_overlap))
next_plane = primary;
if (next_plane == NULL)
- next_plane = drm_output_prepare_cursor_surface(output, es);
+ next_plane = drm_output_prepare_cursor_view(output, ev);
if (next_plane == NULL)
- next_plane = drm_output_prepare_scanout_surface(output, es);
+ next_plane = drm_output_prepare_scanout_view(output, ev);
if (next_plane == NULL)
- next_plane = drm_output_prepare_overlay_surface(output, es);
+ next_plane = drm_output_prepare_overlay_view(output, ev);
if (next_plane == NULL)
next_plane = primary;
- weston_surface_move_to_plane(es, next_plane);
+ weston_view_move_to_plane(ev, next_plane);
if (next_plane == primary)
pixman_region32_union(&overlap, &overlap,
- &es->transform.boundingbox);
+ &ev->transform.boundingbox);
pixman_region32_fini(&surface_overlap);
}
--
1.8.3.1
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