Merge pull request #41 from acrisci/feature/surface-interface-stub
Add surface interface stubs in compositor example
This commit is contained in:
commit
de17ce19be
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@ -1,14 +1,18 @@
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#ifndef _EXAMPLE_COMPOSITOR_H
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#define _EXAMPLE_COMPOSITOR_H
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#include <wayland-server.h>
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#include <wlr/render.h>
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struct wl_compositor_state {
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struct wl_global *wl_global;
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struct wl_list wl_resources;
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struct wlr_renderer *renderer;
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struct wl_list surfaces;
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struct wl_listener destroy_surface_listener;
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};
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void wl_compositor_init(struct wl_display *display,
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struct wl_compositor_state *state);
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struct wl_compositor_state *state, struct wlr_renderer *renderer);
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struct wl_shell_state {
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struct wl_global *wl_global;
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@ -11,6 +11,7 @@
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#include <wlr/render/gles2.h>
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#include <wlr/types/wlr_output.h>
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#include <xkbcommon/xkbcommon.h>
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#include <wlr/util/log.h>
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#include "shared.h"
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#include "compositor.h"
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@ -27,7 +28,18 @@ void handle_output_frame(struct output_state *output, struct timespec *ts) {
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wlr_output_make_current(wlr_output);
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wlr_renderer_begin(sample->renderer, wlr_output);
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// TODO: render surfaces
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struct wl_resource *_res;
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float matrix[16];
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wl_list_for_each(_res, &sample->compositor.surfaces, link) {
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struct wlr_surface *surface = wl_resource_get_user_data(_res);
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if (surface->valid) {
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wlr_surface_get_matrix(surface, &matrix,
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&wlr_output->transform_matrix, 200, 200);
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wlr_render_with_matrix(sample->renderer, surface, &matrix);
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}
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}
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wlr_renderer_end(sample->renderer);
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wlr_output_swap_buffers(wlr_output);
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}
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@ -42,7 +54,7 @@ int main() {
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state.renderer = wlr_gles2_renderer_init();
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wl_display_init_shm(compositor.display);
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wl_compositor_init(compositor.display, &state.compositor);
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wl_compositor_init(compositor.display, &state.compositor, state.renderer);
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wl_shell_init(compositor.display, &state.shell);
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compositor_run(&compositor);
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@ -3,13 +3,121 @@
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#include <wlr/util/log.h>
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#include "compositor.h"
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static void surface_destroy(struct wl_client *client, struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void surface_attach(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *buffer_resource, int32_t sx, int32_t sy) {
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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struct wl_shm_buffer *buffer = wl_shm_buffer_get(buffer_resource);
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uint32_t format = wl_shm_buffer_get_format(buffer);
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wlr_surface_attach_shm(surface, format, buffer);
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}
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static void surface_damage(struct wl_client *client,
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struct wl_resource *resource,
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int32_t x, int32_t y, int32_t width, int32_t height) {
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wlr_log(L_DEBUG, "TODO: surface damage");
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}
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static void surface_frame(struct wl_client *client,
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struct wl_resource *resource, uint32_t callback) {
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wlr_log(L_DEBUG, "TODO: surface frame");
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}
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static void surface_set_opaque_region(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *region_resource) {
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wlr_log(L_DEBUG, "TODO: surface opaque region");
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}
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static void surface_set_input_region(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *region_resource) {
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wlr_log(L_DEBUG, "TODO: surface input region");
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}
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static void surface_commit(struct wl_client *client,
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struct wl_resource *resource) {
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wlr_log(L_DEBUG, "TODO: surface surface commit");
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}
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static void surface_set_buffer_transform(struct wl_client *client,
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struct wl_resource *resource, int transform) {
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wlr_log(L_DEBUG, "TODO: surface surface buffer transform");
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}
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static void surface_set_buffer_scale(struct wl_client *client,
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struct wl_resource *resource,
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int32_t scale) {
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wlr_log(L_DEBUG, "TODO: surface set buffer scale");
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}
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static void surface_damage_buffer(struct wl_client *client,
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struct wl_resource *resource,
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int32_t x, int32_t y, int32_t width,
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int32_t height) {
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wlr_log(L_DEBUG, "TODO: surface damage buffer");
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}
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struct wl_surface_interface surface_interface = {
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surface_destroy,
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surface_attach,
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surface_damage,
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surface_frame,
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surface_set_opaque_region,
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surface_set_input_region,
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surface_commit,
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surface_set_buffer_transform,
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surface_set_buffer_scale,
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surface_damage_buffer
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};
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static void destroy_surface(struct wl_resource *resource) {
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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wlr_surface_destroy(surface);
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}
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static void destroy_surface_listener(struct wl_listener *listener, void *data) {
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struct wl_compositor_state *state;
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struct wlr_surface *surface = data;
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state = wl_container_of(listener, state, destroy_surface_listener);
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struct wl_resource *res = NULL, *_res;
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wl_list_for_each(_res, &state->surfaces, link) {
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if (_res == surface->resource) {
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res = _res;
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break;
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}
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}
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if (!res) {
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return;
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}
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wl_list_remove(&res->link);
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}
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static void wl_compositor_create_surface(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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wlr_log(L_DEBUG, "TODO: implement create_surface");
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struct wl_resource *resource, uint32_t id) {
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struct wl_compositor_state *state = wl_resource_get_user_data(resource);
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struct wl_resource *surface_resource = wl_resource_create(client,
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&wl_surface_interface, wl_resource_get_version(resource), id);
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struct wlr_surface *surface = wlr_render_surface_init(state->renderer);
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surface->resource = surface_resource;
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wl_resource_set_implementation(surface_resource, &surface_interface,
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surface, destroy_surface);
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wl_resource_set_user_data(surface_resource, surface);
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wl_list_insert(&state->surfaces, wl_resource_get_link(surface_resource));
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wl_signal_add(&surface->destroy_signal, &state->destroy_surface_listener);
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}
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static void wl_compositor_create_region(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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struct wl_resource *resource, uint32_t id) {
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wlr_log(L_DEBUG, "TODO: implement create_region");
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}
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@ -47,9 +155,12 @@ static void wl_compositor_bind(struct wl_client *wl_client, void *_state,
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}
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void wl_compositor_init(struct wl_display *display,
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struct wl_compositor_state *state) {
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struct wl_compositor_state *state, struct wlr_renderer *renderer) {
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struct wl_global *wl_global = wl_global_create(display,
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&wl_compositor_interface, 4, state, wl_compositor_bind);
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state->wl_global = wl_global;
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state->renderer = renderer;
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state->destroy_surface_listener.notify = destroy_surface_listener;
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wl_list_init(&state->wl_resources);
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wl_list_init(&state->surfaces);
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}
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@ -57,6 +57,8 @@ struct wlr_surface {
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bool valid;
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uint32_t format;
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int width, height;
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struct wl_signal destroy_signal;
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struct wl_resource *resource;
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};
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/**
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@ -34,6 +34,35 @@ static bool gles2_surface_attach_pixels(struct wlr_surface_state *surface,
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return true;
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}
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static bool gles2_surface_attach_shm(struct wlr_surface_state *surface,
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uint32_t format, struct wl_shm_buffer *buffer) {
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const struct pixel_format *fmt = gl_format_for_wl_format(format);
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if (!fmt || !fmt->gl_format) {
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wlr_log(L_ERROR, "No supported pixel format for this surface");
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return false;
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}
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wl_shm_buffer_begin_access(buffer);
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uint8_t *pixels = wl_shm_buffer_get_data(buffer);
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int width = wl_shm_buffer_get_width(buffer);
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int height = wl_shm_buffer_get_height(buffer);
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int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8);
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surface->wlr_surface->width = width;
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surface->wlr_surface->height = height;
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surface->wlr_surface->format = format;
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surface->pixel_format = fmt;
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GL_CALL(glActiveTexture(GL_TEXTURE0));
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GL_CALL(glGenTextures(1, &surface->tex_id));
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GL_CALL(glBindTexture(GL_TEXTURE_2D, surface->tex_id));
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GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
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GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
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fmt->gl_format, fmt->gl_type, pixels));
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surface->wlr_surface->valid = true;
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wl_shm_buffer_end_access(buffer);
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return true;
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}
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static void gles2_surface_get_matrix(struct wlr_surface_state *surface,
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float (*matrix)[16], const float (*projection)[16], int x, int y) {
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struct wlr_surface *_surface = surface->wlr_surface;
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@ -55,13 +84,14 @@ static void gles2_surface_bind(struct wlr_surface_state *surface) {
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}
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static void gles2_surface_destroy(struct wlr_surface_state *surface) {
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wl_signal_emit(&surface->wlr_surface->destroy_signal, surface->wlr_surface);
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GL_CALL(glDeleteTextures(1, &surface->tex_id));
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free(surface);
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}
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static struct wlr_surface_impl wlr_surface_impl = {
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.attach_pixels = gles2_surface_attach_pixels,
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// .attach_shm = TODO
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.attach_shm = gles2_surface_attach_shm,
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.get_matrix = gles2_surface_get_matrix,
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.bind = gles2_surface_bind,
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.destroy = gles2_surface_destroy,
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@ -71,5 +101,6 @@ struct wlr_surface *gles2_surface_init() {
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struct wlr_surface_state *state = calloc(sizeof(struct wlr_surface_state), 1);
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struct wlr_surface *surface = wlr_surface_init(state, &wlr_surface_impl);
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state->wlr_surface = surface;
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wl_signal_init(&surface->destroy_signal);
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return surface;
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}
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