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Implement shm buffer surface attach interface

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Implement surface_attach method. This is called when a client attaches an shm
buffer with wl_surface_attach().

Implement the GLES2 interface for attaching shm buffers. This creates an opengl
texture with the shm buffer contents for the surface.

This commit also includes some working code to render the surfaces onto the
screen for demonstration purposes.
This commit is contained in:
Tony Crisci 2017-08-03 14:20:51 -04:00
parent 555914a13b
commit 6610aa7ca7
4 changed files with 49 additions and 4 deletions
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13
examples/compositor/main.c
View file

@ -28,7 +28,18 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
wlr_output_make_current(wlr_output);
wlr_renderer_begin(sample->renderer, wlr_output);
// TODO: render surfaces
struct wl_resource *_res;
float matrix[16];
wl_list_for_each(_res, &sample->compositor.surfaces, link) {
struct wlr_surface *surface = wl_resource_get_user_data(_res);
if (surface->valid) {
wlr_surface_get_matrix(surface, &matrix,
&wlr_output->transform_matrix, 200, 200);
wlr_render_with_matrix(sample->renderer, surface, &matrix);
}
}
wlr_renderer_end(sample->renderer);
wlr_output_swap_buffers(wlr_output);
}

8
examples/compositor/wl_compositor.c
View file

@ -10,7 +10,10 @@ static void surface_destroy(struct wl_client *client, struct wl_resource *resour
static void surface_attach(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *buffer_resource, int32_t sx, int32_t sy) {
wlr_log(L_DEBUG, "TODO: surface attach");
struct wlr_surface *surface = wl_resource_get_user_data(resource);
struct wl_shm_buffer *buffer = wl_shm_buffer_get(buffer_resource);
uint32_t format = wl_shm_buffer_get_format(buffer);
wlr_surface_attach_shm(surface, format, buffer);
}
static void surface_damage(struct wl_client *client,
@ -87,7 +90,7 @@ static void wl_compositor_create_surface(struct wl_client *client,
wl_resource_set_implementation(surface_resource, &surface_interface,
surface, destroy_surface);
wl_resource_set_user_data(surface_resource, surface);
wl_list_insert(&state->surfaces, wl_resource_get_link(surface_resource));
}
static void wl_compositor_create_region(struct wl_client *client,
@ -135,4 +138,5 @@ void wl_compositor_init(struct wl_display *display,
state->wl_global = wl_global;
state->renderer = renderer;
wl_list_init(&state->wl_resources);
wl_list_init(&state->surfaces);
}