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compositor: Remove unused surface matrix, add optional transform

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This commit is contained in:
Kristian Høgsberg 2011-05-02 13:47:51 -04:00
parent 4a9be13d2a
commit 2e94d1120a
4 changed files with 90 additions and 66 deletions
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143
compositor/compositor.c
View File

@ -192,13 +192,9 @@ wlsc_surface_create(struct wlsc_compositor *compositor,
surface->y = y;
surface->width = width;
surface->height = height;
wlsc_matrix_init(&surface->matrix);
wlsc_matrix_scale(&surface->matrix, width, height, 1);
wlsc_matrix_translate(&surface->matrix, x, y, 0);
wlsc_matrix_init(&surface->matrix_inv);
wlsc_matrix_translate(&surface->matrix_inv, -x, -y, 0);
wlsc_matrix_scale(&surface->matrix_inv, 1.0 / width, 1.0 / height, 1);
surface->transform = NULL;
surface->transform_inv = NULL;
return surface;
}
@ -432,38 +428,21 @@ background_create(struct wlsc_output *output, const char *filename)
return background;
}
static void
wlsc_surface_draw(struct wlsc_surface *es,
struct wlsc_output *output, pixman_region32_t *clip)
static int
texture_region(struct wlsc_surface *es, pixman_region32_t *region)
{
struct wlsc_compositor *ec = es->compositor;
GLfloat *v, inv_width, inv_height;
unsigned int *p;
pixman_region32_t repaint;
pixman_box32_t *rectangles;
unsigned int *p;
int i, n;
pixman_region32_init_rect(&repaint,
es->x, es->y, es->width, es->height);
pixman_region32_intersect(&repaint, &repaint, clip);
if (!pixman_region32_not_empty(&repaint))
return;
if (es->visual == &ec->compositor.argb_visual) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
} else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
} else {
glDisable(GL_BLEND);
}
rectangles = pixman_region32_rectangles(&repaint, &n);
rectangles = pixman_region32_rectangles(region, &n);
v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
inv_width = 1.0 / es->pitch;
inv_height = 1.0 / es->height;
for (i = 0; i < n; i++, v += 16, p += 6) {
v[ 0] = rectangles[i].x1;
v[ 1] = rectangles[i].y1;
@ -493,6 +472,84 @@ wlsc_surface_draw(struct wlsc_surface *es,
p[5] = i * 4 + 3;
}
return n;
}
static void
transform_vertex(struct wlsc_surface *surface,
GLfloat x, GLfloat y, GLfloat u, GLfloat v, GLfloat *r)
{
struct wlsc_vector t;
t.f[0] = x;
t.f[1] = y;
t.f[2] = 0.0;
t.f[3] = 1.0;
wlsc_matrix_transform(surface->transform, &t);
r[ 0] = t.f[0];
r[ 1] = t.f[1];
r[ 2] = u;
r[ 3] = v;
}
static int
texture_transformed_surface(struct wlsc_surface *es)
{
struct wlsc_compositor *ec = es->compositor;
GLfloat *v;
unsigned int *p;
v = wl_array_add(&ec->vertices, 16 * sizeof *v);
p = wl_array_add(&ec->indices, 6 * sizeof *p);
transform_vertex(es, es->x, es->y, 0.0, 0.0, &v[0]);
transform_vertex(es, es->x, es->y + es->height, 0.0, 1.0, &v[4]);
transform_vertex(es, es->x + es->width, es->y, 1.0, 0.0, &v[8]);
transform_vertex(es, es->x + es->width, es->y + es->height,
1.0, 1.0, &v[12]);
p[0] = 0;
p[1] = 1;
p[2] = 2;
p[3] = 2;
p[4] = 1;
p[5] = 3;
return 1;
}
static void
wlsc_surface_draw(struct wlsc_surface *es,
struct wlsc_output *output, pixman_region32_t *clip)
{
struct wlsc_compositor *ec = es->compositor;
GLfloat *v;
pixman_region32_t repaint;
int n;
pixman_region32_init_rect(&repaint,
es->x, es->y, es->width, es->height);
pixman_region32_intersect(&repaint, &repaint, clip);
if (!pixman_region32_not_empty(&repaint))
return;
if (es->visual == &ec->compositor.argb_visual) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
} else if (es->visual == &ec->compositor.premultiplied_argb_visual) {
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
} else {
glDisable(GL_BLEND);
}
if (es->transform == NULL)
n = texture_region(es, &repaint);
else
n = texture_transformed_surface(es);
glBindTexture(GL_TEXTURE_2D, es->texture);
v = ec->vertices.data;
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
@ -515,19 +572,6 @@ wlsc_surface_raise(struct wlsc_surface *surface)
wl_list_insert(&compositor->surface_list, &surface->link);
}
WL_EXPORT void
wlsc_surface_update_matrix(struct wlsc_surface *es)
{
wlsc_matrix_init(&es->matrix);
wlsc_matrix_scale(&es->matrix, es->width, es->height, 1);
wlsc_matrix_translate(&es->matrix, es->x, es->y, 0);
wlsc_matrix_init(&es->matrix_inv);
wlsc_matrix_translate(&es->matrix_inv, -es->x, -es->y, 0);
wlsc_matrix_scale(&es->matrix_inv,
1.0 / es->width, 1.0 / es->height, 1);
}
WL_EXPORT void
wlsc_compositor_damage_all(struct wlsc_compositor *compositor)
{
@ -610,6 +654,7 @@ fade_output(struct wlsc_output *output,
surface.width = output->width;
surface.height = output->height;
surface.texture = GL_NONE;
surface.transform = NULL;
if (tint <= 1.0)
surface.visual =
@ -859,7 +904,6 @@ surface_attach(struct wl_client *client,
es->height = buffer->height;
if (x != 0 || y != 0)
wlsc_surface_assign_output(es);
wlsc_surface_update_matrix(es);
es->compositor->shell->attach(es->compositor->shell, es);
}
@ -875,7 +919,6 @@ surface_map_toplevel(struct wl_client *client,
case WLSC_SURFACE_MAP_UNMAPPED:
es->x = 10 + random() % 400;
es->y = 10 + random() % 400;
wlsc_surface_update_matrix(es);
/* assign to first output */
es->output = container_of(ec->output_list.next,
struct wlsc_output, link);
@ -887,7 +930,6 @@ surface_map_toplevel(struct wl_client *client,
es->fullscreen_output = NULL;
es->x = es->saved_x;
es->y = es->saved_y;
wlsc_surface_update_matrix(es);
break;
default:
break;
@ -921,7 +963,6 @@ surface_map_transient(struct wl_client *client,
es->x = pes->x + x;
es->y = pes->y + y;
wlsc_surface_update_matrix(es);
wlsc_surface_damage(es);
es->map_type = WLSC_SURFACE_MAP_TRANSIENT;
}
@ -956,7 +997,6 @@ surface_map_fullscreen(struct wl_client *client, struct wl_surface *surface)
es->x = (output->width - es->width) / 2;
es->y = (output->height - es->height) / 2;
es->fullscreen_output = output;
wlsc_surface_update_matrix(es);
wlsc_surface_damage(es);
es->map_type = WLSC_SURFACE_MAP_FULLSCREEN;
}
@ -993,7 +1033,6 @@ wlsc_input_device_attach(struct wlsc_input_device *device,
device->sprite->y = device->input_device.y - device->hotspot_y;
device->sprite->width = width;
device->sprite->height = height;
wlsc_surface_update_matrix(device->sprite);
wlsc_surface_damage(device->sprite);
}
@ -1059,11 +1098,8 @@ static void
wlsc_surface_transform(struct wlsc_surface *surface,
int32_t x, int32_t y, int32_t *sx, int32_t *sy)
{
struct wlsc_vector v = { { x, y, 0, 1 } };
wlsc_matrix_transform(&surface->matrix_inv, &v);
*sx = v.f[0] * surface->width;
*sy = v.f[1] * surface->height;
*sx = x - surface->x;
*sy = y - surface->y;
}
struct wlsc_surface *
@ -1231,7 +1267,6 @@ notify_motion(struct wl_input_device *device, uint32_t time, int x, int y)
wd->sprite->x = device->x - wd->hotspot_x;
wd->sprite->y = device->y - wd->hotspot_y;
wlsc_surface_update_matrix(wd->sprite);
wlsc_surface_damage(wd->sprite);
}
@ -1435,7 +1470,6 @@ notify_pointer_focus(struct wl_input_device *device,
wd->sprite->x = device->x - wd->hotspot_x;
wd->sprite->y = device->y - wd->hotspot_y;
wlsc_surface_update_matrix(wd->sprite);
} else {
wl_input_device_set_pointer_focus(device, NULL,
time, 0, 0, 0, 0);
@ -1684,7 +1718,6 @@ wlsc_output_move(struct wlsc_output *output, int x, int y)
if (output->background) {
output->background->x = x;
output->background->y = y;
wlsc_surface_update_matrix(output->background);
}
pixman_region32_init(&output->previous_damage_region);

7
compositor/compositor.h
View File

@ -211,8 +211,8 @@ struct wlsc_surface {
int32_t saved_x, saved_y;
struct wl_list link;
struct wl_list buffer_link;
struct wlsc_matrix matrix;
struct wlsc_matrix matrix_inv;
struct wlsc_matrix *transform;
struct wlsc_matrix *transform_inv;
struct wl_visual *visual;
struct wlsc_output *output;
enum wlsc_surface_map_type map_type;
@ -229,9 +229,6 @@ wlsc_tweener_update(struct wlsc_tweener *tweener, uint32_t msec);
int
wlsc_tweener_done(struct wlsc_tweener *tweener);
void
wlsc_surface_update_matrix(struct wlsc_surface *es);
void
wlsc_surface_activate(struct wlsc_surface *surface,
struct wlsc_input_device *device, uint32_t time);

5
compositor/meego-tablet-shell.c
View File

@ -107,7 +107,6 @@ tablet_shell_frame(struct wlsc_animation *animation,
es->height = scale * shell->height;
es->x = (output->width - es->width) / 2;
es->y = (output->height - es->height) / 2;
wlsc_surface_update_matrix(es);
wlsc_surface_damage(es);
}
@ -143,7 +142,6 @@ meego_tablet_shell_attach(struct wlsc_shell *base,
} else if (surface == shell->home_surface) {
surface->x = 0;
surface->y = 0;
wlsc_surface_update_matrix(surface);
} else {
/* FIXME: Fullscreen everything else. */
fprintf(stderr, "attach from surface %p, client %p\n",
@ -187,7 +185,6 @@ tablet_shell_set_lockscreen(struct wl_client *client,
fprintf(stderr, "set lock screen\n");
es->x = 0;
es->y = 0;
wlsc_surface_update_matrix(es);
wlsc_surface_activate(es, device, wlsc_compositor_get_time());
shell->lockscreen_surface = es;
@ -224,7 +221,6 @@ tablet_shell_set_switcher(struct wl_client *client,
shell->switcher_surface = es;
shell->switcher_surface->x = 0;
shell->switcher_surface->y = 0;
wlsc_surface_update_matrix(es);
wlsc_surface_activate(es, device, wlsc_compositor_get_time());
@ -247,7 +243,6 @@ tablet_shell_set_homescreen(struct wl_client *client,
shell->home_surface = (struct wlsc_surface *) surface;
shell->home_surface->x = 0;
shell->home_surface->y = 0;
wlsc_surface_update_matrix(shell->home_surface);
wlsc_surface_activate(shell->home_surface, device,
wlsc_compositor_get_time());

1
compositor/shell.c
View File

@ -50,7 +50,6 @@ move_grab_motion(struct wl_grab *grab,
es->x = x + move->dx;
es->y = y + move->dy;
wlsc_surface_assign_output(es);
wlsc_surface_update_matrix(es);
wlsc_surface_damage(es);
}