629 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			629 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright © 2011-2014 Intel Corporation
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 *
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 * Permission to use, copy, modify, distribute, and sell this software
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 * and its documentation for any purpose is hereby granted without
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 * fee, provided that the above copyright notice appear in all copies
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 * and that both that copyright notice and this permission notice
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 * appear in supporting documentation, and that the name of the
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 * copyright holders not be used in advertising or publicity
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 * pertaining to distribution of the software without specific,
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 * written prior permission.  The copyright holders make no
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 * representations about the suitability of this software for any
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 * purpose.  It is provided "as is" without express or implied
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 * warranty.
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 *
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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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 * SOFTWARE.
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 */
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#include "xwayland.h"
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <xf86drm.h>
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#define MESA_EGL_NO_X11_HEADERS
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#include <gbm.h>
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#include <glamor_egl.h>
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#include <glamor.h>
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#include <glamor_context.h>
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#include <dri3.h>
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#include "drm-client-protocol.h"
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static DevPrivateKeyRec xwl_auth_state_private_key;
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struct xwl_pixmap {
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    struct wl_buffer *buffer;
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    struct gbm_bo *bo;
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    void *image;
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    unsigned int texture;
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};
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static void
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xwl_glamor_egl_make_current(struct glamor_context *glamor_ctx)
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{
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    eglMakeCurrent(glamor_ctx->display, EGL_NO_SURFACE,
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                   EGL_NO_SURFACE, EGL_NO_CONTEXT);
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    if (!eglMakeCurrent(glamor_ctx->display,
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                        EGL_NO_SURFACE, EGL_NO_SURFACE,
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                        glamor_ctx->ctx))
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        FatalError("Failed to make EGL context current\n");
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}
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static uint32_t
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drm_format_for_depth(int depth)
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{
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    switch (depth) {
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    case 15:
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        return WL_DRM_FORMAT_XRGB1555;
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    case 16:
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        return WL_DRM_FORMAT_RGB565;
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    case 24:
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        return WL_DRM_FORMAT_XRGB8888;
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    default:
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        ErrorF("unexpected depth: %d\n", depth);
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    case 32:
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        return WL_DRM_FORMAT_ARGB8888;
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    }
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}
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static uint32_t
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gbm_format_for_depth(int depth)
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{
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    switch (depth) {
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    case 16:
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        return GBM_FORMAT_RGB565;
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    case 24:
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        return GBM_FORMAT_XRGB8888;
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    default:
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        ErrorF("unexpected depth: %d\n", depth);
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    case 32:
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        return GBM_FORMAT_ARGB8888;
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    }
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}
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void
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glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
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{
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    struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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    glamor_ctx->ctx = xwl_screen->egl_context;
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    glamor_ctx->display = xwl_screen->egl_display;
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    glamor_ctx->make_current = xwl_glamor_egl_make_current;
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    xwl_screen->glamor_ctx = glamor_ctx;
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}
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static PixmapPtr
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xwl_glamor_create_pixmap_for_bo(ScreenPtr screen, struct gbm_bo *bo, int depth)
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{
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    PixmapPtr pixmap;
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    struct xwl_pixmap *xwl_pixmap;
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    struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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    xwl_pixmap = malloc(sizeof *xwl_pixmap);
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    if (xwl_pixmap == NULL)
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        return NULL;
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    pixmap = glamor_create_pixmap(screen,
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                                  gbm_bo_get_width(bo),
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                                  gbm_bo_get_height(bo),
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                                  depth,
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                                  GLAMOR_CREATE_PIXMAP_NO_TEXTURE);
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    if (pixmap == NULL) {
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        free(xwl_pixmap);
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        return NULL;
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    }
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    if (lastGLContext != xwl_screen->glamor_ctx) {
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        lastGLContext = xwl_screen->glamor_ctx;
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        xwl_glamor_egl_make_current(xwl_screen->glamor_ctx);
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    }
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    xwl_pixmap->bo = bo;
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    xwl_pixmap->buffer = NULL;
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    xwl_pixmap->image = eglCreateImageKHR(xwl_screen->egl_display,
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                                          xwl_screen->egl_context,
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                                          EGL_NATIVE_PIXMAP_KHR,
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                                          xwl_pixmap->bo, NULL);
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    glGenTextures(1, &xwl_pixmap->texture);
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    glBindTexture(GL_TEXTURE_2D, xwl_pixmap->texture);
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    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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    glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, xwl_pixmap->image);
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    glBindTexture(GL_TEXTURE_2D, 0);
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    xwl_pixmap_set_private(pixmap, xwl_pixmap);
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    glamor_set_pixmap_texture(pixmap, xwl_pixmap->texture);
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    glamor_set_pixmap_type(pixmap, GLAMOR_TEXTURE_DRM);
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    return pixmap;
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}
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struct wl_buffer *
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xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap)
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{
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    struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
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    struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
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    int prime_fd;
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    if (xwl_pixmap->buffer)
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        return xwl_pixmap->buffer;
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    prime_fd = gbm_bo_get_fd(xwl_pixmap->bo);
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    if (prime_fd == -1)
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        return NULL;
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    xwl_pixmap->buffer =
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        wl_drm_create_prime_buffer(xwl_screen->drm, prime_fd,
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                                   pixmap->drawable.width,
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                                   pixmap->drawable.height,
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                                   drm_format_for_depth(pixmap->drawable.depth),
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                                   0, gbm_bo_get_stride(xwl_pixmap->bo),
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                                   0, 0,
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                                   0, 0);
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    close(prime_fd);
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    return xwl_pixmap->buffer;
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}
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static PixmapPtr
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xwl_glamor_create_pixmap(ScreenPtr screen,
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                         int width, int height, int depth, unsigned int hint)
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{
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    struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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    struct gbm_bo *bo;
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    if (width > 0 && height > 0 && depth >= 15 &&
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        (hint == 0 ||
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         hint == CREATE_PIXMAP_USAGE_BACKING_PIXMAP ||
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         hint == CREATE_PIXMAP_USAGE_SHARED)) {
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        bo = gbm_bo_create(xwl_screen->gbm, width, height,
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                           gbm_format_for_depth(depth),
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                           GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
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        if (bo)
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            return xwl_glamor_create_pixmap_for_bo(screen, bo, depth);
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    }
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    return glamor_create_pixmap(screen, width, height, depth, hint);
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}
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static Bool
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xwl_glamor_destroy_pixmap(PixmapPtr pixmap)
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{
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    struct xwl_screen *xwl_screen = xwl_screen_get(pixmap->drawable.pScreen);
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    struct xwl_pixmap *xwl_pixmap = xwl_pixmap_get(pixmap);
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    if (xwl_pixmap && pixmap->refcnt == 1) {
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        if (xwl_pixmap->buffer)
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            wl_buffer_destroy(xwl_pixmap->buffer);
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        eglDestroyImageKHR(xwl_screen->egl_display, xwl_pixmap->image);
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        gbm_bo_destroy(xwl_pixmap->bo);
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        free(xwl_pixmap);
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    }
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    return glamor_destroy_pixmap(pixmap);
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}
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static Bool
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xwl_glamor_create_screen_resources(ScreenPtr screen)
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{
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    struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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    int ret;
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    screen->CreateScreenResources = xwl_screen->CreateScreenResources;
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    ret = (*screen->CreateScreenResources) (screen);
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    xwl_screen->CreateScreenResources = screen->CreateScreenResources;
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    screen->CreateScreenResources = xwl_glamor_create_screen_resources;
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    if (!ret)
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        return ret;
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    if (xwl_screen->rootless) {
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        screen->devPrivate =
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            fbCreatePixmap(screen, 0, 0, screen->rootDepth, 0);
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    }
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    else {
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        screen->devPrivate =
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            xwl_glamor_create_pixmap(screen, screen->width, screen->height,
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                                     screen->rootDepth,
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                                     CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
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    }
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    SetRootClip(screen, xwl_screen->root_clip_mode);
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    return screen->devPrivate != NULL;
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}
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static char
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is_fd_render_node(int fd)
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{
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    struct stat render;
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    if (fstat(fd, &render))
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        return 0;
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    if (!S_ISCHR(render.st_mode))
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        return 0;
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    if (render.st_rdev & 0x80)
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        return 1;
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    return 0;
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}
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static void
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xwl_drm_init_egl(struct xwl_screen *xwl_screen)
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{
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    EGLint major, minor;
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    const char *version;
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    static const EGLint config_attribs_core[] = {
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        EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR,
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        EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR,
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        EGL_CONTEXT_MAJOR_VERSION_KHR,
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        GLAMOR_GL_CORE_VER_MAJOR,
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        EGL_CONTEXT_MINOR_VERSION_KHR,
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        GLAMOR_GL_CORE_VER_MINOR,
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        EGL_NONE
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    };
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    if (xwl_screen->egl_display)
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        return;
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    xwl_screen->expecting_event--;
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    xwl_screen->gbm = gbm_create_device(xwl_screen->drm_fd);
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    if (xwl_screen->gbm == NULL) {
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        ErrorF("couldn't get display device\n");
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        return;
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    }
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    xwl_screen->egl_display = glamor_egl_get_display(EGL_PLATFORM_GBM_MESA,
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                                                     xwl_screen->gbm);
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    if (xwl_screen->egl_display == EGL_NO_DISPLAY) {
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        ErrorF("glamor_egl_get_display() failed\n");
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        return;
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    }
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    if (!eglInitialize(xwl_screen->egl_display, &major, &minor)) {
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        ErrorF("eglInitialize() failed\n");
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        return;
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    }
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    eglBindAPI(EGL_OPENGL_API);
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    version = eglQueryString(xwl_screen->egl_display, EGL_VERSION);
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    ErrorF("glamor: EGL version %s:\n", version);
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    xwl_screen->egl_context = eglCreateContext(xwl_screen->egl_display,
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                                               NULL, EGL_NO_CONTEXT, config_attribs_core);
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    if (!xwl_screen->egl_context)
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        xwl_screen->egl_context = eglCreateContext(xwl_screen->egl_display,
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                                                   NULL, EGL_NO_CONTEXT, NULL);
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    if (xwl_screen->egl_context == EGL_NO_CONTEXT) {
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        ErrorF("Failed to create EGL context\n");
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        return;
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    }
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    if (!eglMakeCurrent(xwl_screen->egl_display,
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                        EGL_NO_SURFACE, EGL_NO_SURFACE,
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                        xwl_screen->egl_context)) {
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        ErrorF("Failed to make EGL context current\n");
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        return;
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    }
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						|
    if (!epoxy_has_gl_extension("GL_OES_EGL_image")) {
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        ErrorF("GL_OES_EGL_image not available\n");
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        return;
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    }
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    return;
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}
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static void
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xwl_drm_handle_device(void *data, struct wl_drm *drm, const char *device)
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{
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   struct xwl_screen *xwl_screen = data;
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   drm_magic_t magic;
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   xwl_screen->device_name = strdup(device);
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   if (!xwl_screen->device_name)
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      return;
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   xwl_screen->drm_fd = open(xwl_screen->device_name, O_RDWR | O_CLOEXEC);
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						|
   if (xwl_screen->drm_fd == -1) {
 | 
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       ErrorF("wayland-egl: could not open %s (%s)\n",
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              xwl_screen->device_name, strerror(errno));
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       return;
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   }
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   if (is_fd_render_node(xwl_screen->drm_fd)) {
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       xwl_screen->fd_render_node = 1;
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       xwl_drm_init_egl(xwl_screen);
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   } else {
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       drmGetMagic(xwl_screen->drm_fd, &magic);
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       wl_drm_authenticate(xwl_screen->drm, magic);
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   }
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}
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static void
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xwl_drm_handle_format(void *data, struct wl_drm *drm, uint32_t format)
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{
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   struct xwl_screen *xwl_screen = data;
 | 
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   switch (format) {
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   case WL_DRM_FORMAT_ARGB8888:
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      xwl_screen->formats |= XWL_FORMAT_ARGB8888;
 | 
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      break;
 | 
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   case WL_DRM_FORMAT_XRGB8888:
 | 
						|
      xwl_screen->formats |= XWL_FORMAT_XRGB8888;
 | 
						|
      break;
 | 
						|
   case WL_DRM_FORMAT_RGB565:
 | 
						|
      xwl_screen->formats |= XWL_FORMAT_RGB565;
 | 
						|
      break;
 | 
						|
   }
 | 
						|
}
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 | 
						|
static void
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xwl_drm_handle_authenticated(void *data, struct wl_drm *drm)
 | 
						|
{
 | 
						|
    struct xwl_screen *xwl_screen = data;
 | 
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 | 
						|
    if (!xwl_screen->egl_display)
 | 
						|
        xwl_drm_init_egl(xwl_screen);
 | 
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}
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 | 
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static void
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						|
xwl_drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t value)
 | 
						|
{
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						|
   struct xwl_screen *xwl_screen = data;
 | 
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 | 
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   xwl_screen->capabilities = value;
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						|
}
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 | 
						|
static const struct wl_drm_listener xwl_drm_listener = {
 | 
						|
    xwl_drm_handle_device,
 | 
						|
    xwl_drm_handle_format,
 | 
						|
    xwl_drm_handle_authenticated,
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    xwl_drm_handle_capabilities
 | 
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};
 | 
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Bool
 | 
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xwl_screen_init_glamor(struct xwl_screen *xwl_screen,
 | 
						|
                       uint32_t id, uint32_t version)
 | 
						|
{
 | 
						|
    if (version < 2)
 | 
						|
        return FALSE;
 | 
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 | 
						|
    xwl_screen->drm =
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        wl_registry_bind(xwl_screen->registry, id, &wl_drm_interface, 2);
 | 
						|
    wl_drm_add_listener(xwl_screen->drm, &xwl_drm_listener, xwl_screen);
 | 
						|
    xwl_screen->expecting_event++;
 | 
						|
 | 
						|
    return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
 | 
						|
                                 PixmapPtr pixmap,
 | 
						|
                                 unsigned int tex,
 | 
						|
                                 Bool want_name, CARD16 *stride, CARD32 *size)
 | 
						|
{
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
struct xwl_auth_state {
 | 
						|
    int fd;
 | 
						|
    ClientPtr client;
 | 
						|
    struct wl_callback *callback;
 | 
						|
};
 | 
						|
 | 
						|
static void
 | 
						|
free_xwl_auth_state(ClientPtr pClient, struct xwl_auth_state *state)
 | 
						|
{
 | 
						|
    dixSetPrivate(&pClient->devPrivates, &xwl_auth_state_private_key, NULL);
 | 
						|
    if (state) {
 | 
						|
        wl_callback_destroy(state->callback);
 | 
						|
        free(state);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
xwl_auth_state_client_callback(CallbackListPtr *pcbl, void *unused, void *data)
 | 
						|
{
 | 
						|
    NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
 | 
						|
    ClientPtr pClient = clientinfo->client;
 | 
						|
    struct xwl_auth_state *state;
 | 
						|
 | 
						|
    switch (pClient->clientState) {
 | 
						|
    case ClientStateGone:
 | 
						|
    case ClientStateRetained:
 | 
						|
        state = dixLookupPrivate(&pClient->devPrivates, &xwl_auth_state_private_key);
 | 
						|
        free_xwl_auth_state(pClient, state);
 | 
						|
        break;
 | 
						|
    default:
 | 
						|
        break;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
 | 
						|
{
 | 
						|
    struct xwl_auth_state *state = data;
 | 
						|
    ClientPtr client = state->client;
 | 
						|
 | 
						|
    /* if the client is gone, the callback is cancelled so it's safe to
 | 
						|
     * assume the client is still in ClientStateRunning at this point...
 | 
						|
     */
 | 
						|
    dri3_send_open_reply(client, state->fd);
 | 
						|
    AttendClient(client);
 | 
						|
    free_xwl_auth_state(client, state);
 | 
						|
}
 | 
						|
 | 
						|
static const struct wl_callback_listener sync_listener = {
 | 
						|
   sync_callback
 | 
						|
};
 | 
						|
 | 
						|
static int
 | 
						|
xwl_dri3_open_client(ClientPtr client,
 | 
						|
                     ScreenPtr screen,
 | 
						|
                     RRProviderPtr provider,
 | 
						|
                     int *pfd)
 | 
						|
{
 | 
						|
    struct xwl_screen *xwl_screen = xwl_screen_get(screen);
 | 
						|
    struct xwl_auth_state *state;
 | 
						|
    drm_magic_t magic;
 | 
						|
    int fd;
 | 
						|
 | 
						|
    fd = open(xwl_screen->device_name, O_RDWR | O_CLOEXEC);
 | 
						|
    if (fd < 0)
 | 
						|
        return BadAlloc;
 | 
						|
    if (xwl_screen->fd_render_node) {
 | 
						|
        *pfd = fd;
 | 
						|
        return Success;
 | 
						|
    }
 | 
						|
 | 
						|
    state = malloc(sizeof *state);
 | 
						|
    if (state == NULL) {
 | 
						|
        close(fd);
 | 
						|
        return BadAlloc;
 | 
						|
    }
 | 
						|
 | 
						|
    state->client = client;
 | 
						|
    state->fd = fd;
 | 
						|
 | 
						|
    if (drmGetMagic(state->fd, &magic) < 0) {
 | 
						|
        close(state->fd);
 | 
						|
        free(state);
 | 
						|
        return BadMatch;
 | 
						|
    }
 | 
						|
 | 
						|
    wl_drm_authenticate(xwl_screen->drm, magic);
 | 
						|
    state->callback = wl_display_sync(xwl_screen->display);
 | 
						|
    wl_callback_add_listener(state->callback, &sync_listener, state);
 | 
						|
    dixSetPrivate(&client->devPrivates, &xwl_auth_state_private_key, state);
 | 
						|
 | 
						|
    IgnoreClient(client);
 | 
						|
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
static PixmapPtr
 | 
						|
xwl_dri3_pixmap_from_fd(ScreenPtr screen, int fd,
 | 
						|
                        CARD16 width, CARD16 height, CARD16 stride,
 | 
						|
                        CARD8 depth, CARD8 bpp)
 | 
						|
{
 | 
						|
    struct xwl_screen *xwl_screen = xwl_screen_get(screen);
 | 
						|
    struct gbm_import_fd_data data;
 | 
						|
    struct gbm_bo *bo;
 | 
						|
    PixmapPtr pixmap;
 | 
						|
 | 
						|
    if (width == 0 || height == 0 ||
 | 
						|
        depth < 15 || bpp != BitsPerPixel(depth) || stride < width * bpp / 8)
 | 
						|
        return NULL;
 | 
						|
 | 
						|
    data.fd = fd;
 | 
						|
    data.width = width;
 | 
						|
    data.height = height;
 | 
						|
    data.stride = stride;
 | 
						|
    data.format = gbm_format_for_depth(depth);
 | 
						|
    bo = gbm_bo_import(xwl_screen->gbm, GBM_BO_IMPORT_FD, &data,
 | 
						|
                       GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING);
 | 
						|
    if (bo == NULL)
 | 
						|
        return NULL;
 | 
						|
 | 
						|
    pixmap = xwl_glamor_create_pixmap_for_bo(screen, bo, depth);
 | 
						|
    if (pixmap == NULL) {
 | 
						|
        gbm_bo_destroy(bo);
 | 
						|
        return NULL;
 | 
						|
    }
 | 
						|
 | 
						|
    return pixmap;
 | 
						|
}
 | 
						|
 | 
						|
static int
 | 
						|
xwl_dri3_fd_from_pixmap(ScreenPtr screen, PixmapPtr pixmap,
 | 
						|
                        CARD16 *stride, CARD32 *size)
 | 
						|
{
 | 
						|
    struct xwl_pixmap *xwl_pixmap;
 | 
						|
 | 
						|
    xwl_pixmap = xwl_pixmap_get(pixmap);
 | 
						|
 | 
						|
    *stride = gbm_bo_get_stride(xwl_pixmap->bo);
 | 
						|
    *size = pixmap->drawable.width * *stride;
 | 
						|
 | 
						|
    return gbm_bo_get_fd(xwl_pixmap->bo);
 | 
						|
}
 | 
						|
 | 
						|
static dri3_screen_info_rec xwl_dri3_info = {
 | 
						|
    .version = 1,
 | 
						|
    .open = NULL,
 | 
						|
    .pixmap_from_fd = xwl_dri3_pixmap_from_fd,
 | 
						|
    .fd_from_pixmap = xwl_dri3_fd_from_pixmap,
 | 
						|
    .open_client = xwl_dri3_open_client,
 | 
						|
};
 | 
						|
 | 
						|
Bool
 | 
						|
xwl_glamor_init(struct xwl_screen *xwl_screen)
 | 
						|
{
 | 
						|
    ScreenPtr screen = xwl_screen->screen;
 | 
						|
    const char *no_glamor_env;
 | 
						|
 | 
						|
    no_glamor_env = getenv("XWAYLAND_NO_GLAMOR");
 | 
						|
    if (no_glamor_env && *no_glamor_env != '0') {
 | 
						|
        ErrorF("Disabling glamor and dri3 support, XWAYLAND_NO_GLAMOR is set\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    if (xwl_screen->egl_context == EGL_NO_CONTEXT) {
 | 
						|
        ErrorF("Disabling glamor and dri3, EGL setup failed\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!glamor_init(xwl_screen->screen, GLAMOR_USE_EGL_SCREEN)) {
 | 
						|
        ErrorF("Failed to initialize glamor\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!dri3_screen_init(xwl_screen->screen, &xwl_dri3_info)) {
 | 
						|
        ErrorF("Failed to initialize dri3\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!dixRegisterPrivateKey(&xwl_auth_state_private_key, PRIVATE_CLIENT, 0)) {
 | 
						|
        ErrorF("Failed to register private key\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    if (!AddCallback(&ClientStateCallback, xwl_auth_state_client_callback, NULL)) {
 | 
						|
        ErrorF("Failed to add client state callback\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
 | 
						|
    xwl_screen->CreateScreenResources = screen->CreateScreenResources;
 | 
						|
    screen->CreateScreenResources = xwl_glamor_create_screen_resources;
 | 
						|
    screen->CreatePixmap = xwl_glamor_create_pixmap;
 | 
						|
    screen->DestroyPixmap = xwl_glamor_destroy_pixmap;
 | 
						|
 | 
						|
#ifdef XV
 | 
						|
    if (!xwl_glamor_xv_init(screen))
 | 
						|
        ErrorF("Failed to initialize glamor Xv extension\n");
 | 
						|
#endif
 | 
						|
 | 
						|
    return TRUE;
 | 
						|
}
 |