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Refactor drm buffer creation a bit

This commit is contained in:
Kristian Høgsberg 2010-12-06 10:46:37 -05:00
parent 45568f6e33
commit 7d564d93eb
1 changed files with 42 additions and 33 deletions
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75
compositor/drm.c
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@ -80,6 +80,29 @@ drm_buffer_damage(struct wl_buffer *buffer,
{
}
static struct wlsc_drm_buffer *
wlsc_drm_buffer_create_for_image(struct wlsc_compositor *compositor,
EGLImageKHR *image,
int32_t width, int32_t height,
struct wl_visual *visual)
{
struct wlsc_drm_buffer *buffer;
buffer = malloc(sizeof *buffer);
if (buffer == NULL)
return NULL;
buffer->buffer.compositor = &compositor->compositor;
buffer->buffer.width = width;
buffer->buffer.height = height;
buffer->buffer.visual = visual;
buffer->buffer.attach = drm_buffer_attach;
buffer->buffer.damage = drm_buffer_damage;
buffer->image = image;
return buffer;
}
static void
drm_create_buffer(struct wl_client *client, struct wl_drm *drm_base,
uint32_t id, uint32_t name, int32_t width, int32_t height,
@ -89,6 +112,7 @@ drm_create_buffer(struct wl_client *client, struct wl_drm *drm_base,
struct wlsc_compositor *compositor =
container_of(drm, struct wlsc_compositor, drm);
struct wlsc_drm_buffer *buffer;
EGLImageKHR image;
EGLint attribs[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 0,
@ -109,30 +133,16 @@ drm_create_buffer(struct wl_client *client, struct wl_drm *drm_base,
return;
}
buffer = malloc(sizeof *buffer);
if (buffer == NULL) {
wl_client_post_no_memory(client);
return;
}
attribs[1] = width;
attribs[3] = height;
attribs[5] = stride / 4;
buffer->buffer.compositor = &compositor->compositor;
buffer->buffer.width = width;
buffer->buffer.height = height;
buffer->buffer.visual = visual;
buffer->buffer.attach = drm_buffer_attach;
buffer->buffer.damage = drm_buffer_damage;
buffer->image = eglCreateImageKHR(compositor->display,
compositor->context,
EGL_DRM_BUFFER_MESA,
(EGLClientBuffer) name, attribs);
if (buffer->image == NULL) {
image = eglCreateImageKHR(compositor->display,
compositor->context,
EGL_DRM_BUFFER_MESA,
(EGLClientBuffer) name, attribs);
if (image == NULL) {
/* FIXME: Define a real exception event instead of
* abusing this one */
free(buffer);
wl_client_post_event(client,
(struct wl_object *) compositor->wl_display,
WL_DISPLAY_INVALID_OBJECT, 0);
@ -140,6 +150,14 @@ drm_create_buffer(struct wl_client *client, struct wl_drm *drm_base,
return;
}
buffer = wlsc_drm_buffer_create_for_image(compositor, image,
width, height, visual);
if (buffer == NULL) {
eglDestroyImageKHR(compositor->display, image);
wl_client_post_no_memory(client);
return;
}
buffer->buffer.resource.object.id = id;
buffer->buffer.resource.object.interface = &wl_buffer_interface;
buffer->buffer.resource.object.implementation = (void (**)(void))
@ -186,6 +204,7 @@ wlsc_drm_buffer_create(struct wlsc_compositor *ec,
int width, int height, struct wl_visual *visual)
{
struct wlsc_drm_buffer *buffer;
EGLImageKHR image;
EGLint image_attribs[] = {
EGL_WIDTH, 0,
@ -198,22 +217,12 @@ wlsc_drm_buffer_create(struct wlsc_compositor *ec,
image_attribs[1] = width;
image_attribs[3] = height;
buffer = malloc(sizeof *buffer);
if (buffer == NULL)
image = eglCreateDRMImageMESA(ec->display, image_attribs);
if (image == NULL)
return NULL;
buffer->image =
eglCreateDRMImageMESA(ec->display, image_attribs);
if (buffer->image == NULL) {
free(buffer);
return NULL;
}
buffer->buffer.visual = visual;
buffer->buffer.width = width;
buffer->buffer.height = height;
buffer->buffer.attach = drm_buffer_attach;
buffer->buffer.damage = drm_buffer_damage;
buffer = wlsc_drm_buffer_create_for_image(ec, image,
width, height, visual);
return buffer;
}