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Implement wlr_surface_flush_damage

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This commit is contained in:
Drew DeVault 2017-08-10 08:26:16 -04:00
parent 947bb2e436
commit 7da43ff8b0
4 changed files with 47 additions and 17 deletions
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1
examples/compositor/main.c
View file

@ -42,6 +42,7 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
float matrix[16];
wl_list_for_each(_res, &sample->compositor.surfaces, link) {
struct wlr_surface *surface = wl_resource_get_user_data(_res);
wlr_surface_flush_damage(surface);
if (surface->texture->valid) {
wlr_texture_get_matrix(surface->texture, &matrix,
&wlr_output->transform_matrix, 200, 200);

1
include/wlr/types/wlr_surface.h
View file

@ -47,5 +47,6 @@ struct wlr_surface {
struct wlr_renderer;
struct wlr_surface *wlr_surface_create(struct wl_resource *res,
struct wlr_renderer *renderer);
void wlr_surface_flush_damage(struct wlr_surface *surface);
#endif

15
render/gles2/texture.c
View file

@ -39,7 +39,9 @@ static bool gles2_texture_update_pixels(struct wlr_texture_state *texture,
assert(texture && texture->wlr_texture->valid);
// TODO: Test if the unpack subimage extension is supported and adjust the
// upload strategy if not
if (texture->wlr_texture->format != format) {
if (!texture->wlr_texture->valid
|| texture->wlr_texture->format != format
/* || unpack not supported */) {
return gles2_texture_upload_pixels(texture, format, stride,
width, height, pixels);
}
@ -90,8 +92,10 @@ static bool gles2_texture_update_shm(struct wlr_texture_state *texture,
struct wl_shm_buffer *buffer) {
// TODO: Test if the unpack subimage extension is supported and adjust the
// upload strategy if not
assert(texture && texture->wlr_texture->valid);
if (texture->wlr_texture->format != format) {
assert(texture);
if (!texture->wlr_texture->valid
|| texture->wlr_texture->format != format
/* || unpack not supported */) {
return gles2_texture_upload_shm(texture, format, buffer);
}
const struct pixel_format *fmt = texture->pixel_format;
@ -103,8 +107,9 @@ static bool gles2_texture_update_shm(struct wlr_texture_state *texture,
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels));
wlr_log(L_DEBUG, "%dx%d@%d,%d", width, height, x, y);
GL_CALL(glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
fmt->gl_format, fmt->gl_type, pixels));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));

47
types/wlr_surface.c
View file

@ -95,18 +95,6 @@ static void surface_commit(struct wl_client *client,
if ((surface->pending.invalid & WLR_SURFACE_INVALID_BUFFER)) {
surface->current.buffer = surface->pending.buffer;
// TODO: Move to wlr_surface_flush_damage and call from output frame
// callbacks instead of immediately here
if (surface->current.buffer) {
struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current.buffer);
if (!buffer) {
wlr_log(L_INFO, "Unknown buffer handle attached");
} else {
uint32_t format = wl_shm_buffer_get_format(buffer);
wlr_texture_upload_shm(surface->texture, format, buffer);
wl_resource_queue_event(surface->current.buffer, WL_BUFFER_RELEASE);
}
}
}
if ((surface->pending.invalid & WLR_SURFACE_INVALID_SURFACE_DAMAGE)) {
// TODO: Sort out buffer damage too
@ -126,6 +114,41 @@ static void surface_commit(struct wl_client *client,
wl_signal_emit(&surface->signals.commit, surface);
}
void wlr_surface_flush_damage(struct wlr_surface *surface) {
if (!surface->current.buffer) {
if (surface->texture->valid) {
// TODO: Detach buffers
}
return;
}
struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current.buffer);
if (!buffer) {
wlr_log(L_INFO, "Unknown buffer handle attached");
return;
}
pixman_region32_t damage = surface->current.surface_damage;
if (!pixman_region32_not_empty(&damage)) {
return;
}
int n;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &n);
uint32_t format = wl_shm_buffer_get_format(buffer);
for (int i = 0; i < n; ++i) {
pixman_box32_t rect = rects[i];
wlr_log(L_DEBUG, "%d,%d:%d,%d", rect.x1, rect.y1, rect.x2, rect.y2);
if (!wlr_texture_update_shm(surface->texture, format,
rect.x1, rect.y1,
rect.x2 - rect.x1,
rect.y2 - rect.y1,
buffer)) {
break;
}
}
pixman_region32_fini(&surface->current.surface_damage);
pixman_region32_init(&surface->current.surface_damage);
wl_resource_queue_event(surface->current.buffer, WL_BUFFER_RELEASE);
}
static void surface_set_buffer_transform(struct wl_client *client,
struct wl_resource *resource, int transform) {
wlr_log(L_DEBUG, "TODO: surface surface buffer transform");