diff options
Diffstat (limited to 'src/egl/wayland/wayland-drm/wayland-drm.c')
| -rw-r--r-- | src/egl/wayland/wayland-drm/wayland-drm.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/egl/wayland/wayland-drm/wayland-drm.c b/src/egl/wayland/wayland-drm/wayland-drm.c new file mode 100644 index 00000000000..6624fbe9d4e --- /dev/null +++ b/src/egl/wayland/wayland-drm/wayland-drm.c @@ -0,0 +1,203 @@ +/* + * Copyright © 2011 Kristian Høgsberg + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Kristian Høgsberg <[email protected]> + * Benjamin Franzke <[email protected]> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stddef.h> + +#include <wayland-server.h> +#include "wayland-drm.h" +#include "wayland-drm-server-protocol.h" + +#include "egldisplay.h" +#include "egldriver.h" +#include "eglimage.h" +#include "egltypedefs.h" + +struct wl_drm { + struct wl_object object; + struct wl_display *display; + + _EGLDisplay *edisp; + + char *device_name; + authenticate_t authenticate; +}; + +static void +drm_buffer_damage(struct wl_buffer *buffer_base, + struct wl_surface *surface, + int32_t x, int32_t y, int32_t width, int32_t height) +{ +} + +static void +destroy_buffer(struct wl_resource *resource, struct wl_client *client) +{ + struct wl_drm_buffer *buffer = (struct wl_drm_buffer *) resource; + _EGLDriver *drv = buffer->drm->edisp->Driver; + + drv->API.DestroyImageKHR(drv, buffer->drm->edisp, buffer->image); + free(buffer); +} + +static void +buffer_destroy(struct wl_client *client, struct wl_buffer *buffer) +{ + wl_resource_destroy(&buffer->resource, client); +} + +const static struct wl_buffer_interface buffer_interface = { + buffer_destroy +}; + +static void +drm_create_buffer(struct wl_client *client, struct wl_drm *drm, + uint32_t id, uint32_t name, int32_t width, int32_t height, + uint32_t stride, struct wl_visual *visual) +{ + struct wl_drm_buffer *buffer; + EGLint attribs[] = { + EGL_WIDTH, 0, + EGL_HEIGHT, 0, + EGL_DRM_BUFFER_STRIDE_MESA, 0, + EGL_DRM_BUFFER_FORMAT_MESA, EGL_DRM_BUFFER_FORMAT_ARGB32_MESA, + EGL_NONE + }; + _EGLDriver *drv = drm->edisp->Driver; + + buffer = malloc(sizeof *buffer); + if (buffer == NULL) { + wl_client_post_no_memory(client); + return; + } + + buffer->drm = drm; + buffer->buffer.compositor = NULL; + buffer->buffer.width = width; + buffer->buffer.height = height; + buffer->buffer.visual = visual; + buffer->buffer.attach = NULL; + buffer->buffer.damage = drm_buffer_damage; + + if (visual->object.interface != &wl_visual_interface) { + /* FIXME: Define a real exception event instead of + * abusing this one */ + wl_client_post_event(client, + (struct wl_object *) drm->display, + WL_DISPLAY_INVALID_OBJECT, 0); + fprintf(stderr, "invalid visual in create_buffer\n"); + return; + } + + attribs[1] = width; + attribs[3] = height; + attribs[5] = stride / 4; + buffer->image = drv->API.CreateImageKHR(drv, drm->edisp, + EGL_NO_CONTEXT, + EGL_DRM_BUFFER_MESA, + (EGLClientBuffer) (intptr_t) name, + attribs); + + if (buffer->image == NULL) { + /* FIXME: Define a real exception event instead of + * abusing this one */ + wl_client_post_event(client, + (struct wl_object *) drm->display, + WL_DISPLAY_INVALID_OBJECT, 0); + fprintf(stderr, "failed to create image for name %d\n", name); + return; + } + + buffer->buffer.resource.object.id = id; + buffer->buffer.resource.object.interface = &wl_buffer_interface; + buffer->buffer.resource.object.implementation = (void (**)(void)) + &buffer_interface; + + buffer->buffer.resource.destroy = destroy_buffer; + + wl_client_add_resource(client, &buffer->buffer.resource); +} + +static void +drm_authenticate(struct wl_client *client, + struct wl_drm *drm, uint32_t id) +{ + if (drm->authenticate(drm->edisp, id) < 0) + wl_client_post_event(client, + (struct wl_object *) drm->display, + WL_DISPLAY_INVALID_OBJECT, 0); + else + wl_client_post_event(client, &drm->object, + WL_DRM_AUTHENTICATED); +} + +const static struct wl_drm_interface drm_interface = { + drm_authenticate, + drm_create_buffer +}; + +static void +post_drm_device(struct wl_client *client, struct wl_object *global) +{ + struct wl_drm *drm = (struct wl_drm *) global; + + wl_client_post_event(client, global, WL_DRM_DEVICE, drm->device_name); +} + +struct wl_drm * +wayland_drm_init(struct wl_display *display, _EGLDisplay *disp, + authenticate_t authenticate, char *device_name) +{ + struct wl_drm *drm; + + drm = malloc(sizeof *drm); + + drm->display = display; + drm->edisp = disp; + drm->authenticate = authenticate; + drm->device_name = strdup(device_name); + + drm->object.interface = &wl_drm_interface; + drm->object.implementation = (void (**)(void)) &drm_interface; + wl_display_add_object(display, &drm->object); + wl_display_add_global(display, &drm->object, post_drm_device); + + return drm; +} + +void +wayland_drm_destroy(struct wl_drm *drm) +{ + free(drm->device_name); + + /* FIXME: need wl_display_del_{object,global} */ + + free(drm); +} |