624 lines
17 KiB
C
624 lines
17 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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if (screen->devPrivate)
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glamor_set_screen_pixmap(screen->devPrivate, NULL);
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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:
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xwl_screen->formats |= XWL_FORMAT_XRGB8888;
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break;
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case WL_DRM_FORMAT_RGB565:
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xwl_screen->formats |= XWL_FORMAT_RGB565;
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break;
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}
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}
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static void
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xwl_drm_handle_authenticated(void *data, struct wl_drm *drm)
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{
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struct xwl_screen *xwl_screen = data;
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if (!xwl_screen->egl_display)
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xwl_drm_init_egl(xwl_screen);
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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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{
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struct xwl_screen *xwl_screen = data;
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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 = {
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xwl_drm_handle_device,
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xwl_drm_handle_format,
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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,
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uint32_t id, uint32_t version)
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{
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if (version < 2)
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return FALSE;
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xwl_screen->drm =
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wl_registry_bind(xwl_screen->registry, id, &wl_drm_interface, 2);
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wl_drm_add_listener(xwl_screen->drm, &xwl_drm_listener, xwl_screen);
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xwl_screen->expecting_event++;
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return TRUE;
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}
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int
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glamor_egl_dri3_fd_name_from_tex(ScreenPtr screen,
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PixmapPtr pixmap,
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unsigned int tex,
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Bool want_name, CARD16 *stride, CARD32 *size)
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{
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return 0;
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}
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struct xwl_auth_state {
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int fd;
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ClientPtr client;
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struct wl_callback *callback;
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};
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static void
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free_xwl_auth_state(ClientPtr pClient, struct xwl_auth_state *state)
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{
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dixSetPrivate(&pClient->devPrivates, &xwl_auth_state_private_key, NULL);
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if (state) {
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wl_callback_destroy(state->callback);
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free(state);
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}
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}
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static void
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xwl_auth_state_client_callback(CallbackListPtr *pcbl, void *unused, void *data)
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{
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NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
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ClientPtr pClient = clientinfo->client;
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struct xwl_auth_state *state;
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switch (pClient->clientState) {
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case ClientStateGone:
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case ClientStateRetained:
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state = dixLookupPrivate(&pClient->devPrivates, &xwl_auth_state_private_key);
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free_xwl_auth_state(pClient, state);
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break;
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default:
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break;
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}
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}
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static void
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sync_callback(void *data, struct wl_callback *callback, uint32_t serial)
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{
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struct xwl_auth_state *state = data;
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ClientPtr client = state->client;
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/* if the client is gone, the callback is cancelled so it's safe to
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* assume the client is still in ClientStateRunning at this point...
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*/
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dri3_send_open_reply(client, state->fd);
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AttendClient(client);
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free_xwl_auth_state(client, state);
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}
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static const struct wl_callback_listener sync_listener = {
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sync_callback
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};
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static int
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xwl_dri3_open_client(ClientPtr client,
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ScreenPtr screen,
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RRProviderPtr provider,
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int *pfd)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(screen);
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struct xwl_auth_state *state;
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drm_magic_t magic;
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int fd;
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fd = open(xwl_screen->device_name, O_RDWR | O_CLOEXEC);
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if (fd < 0)
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return BadAlloc;
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if (xwl_screen->fd_render_node) {
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*pfd = fd;
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return Success;
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}
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state = malloc(sizeof *state);
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if (state == NULL) {
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close(fd);
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return BadAlloc;
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}
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state->client = client;
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state->fd = fd;
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if (drmGetMagic(state->fd, &magic) < 0) {
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close(state->fd);
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free(state);
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return BadMatch;
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}
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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;
|
|
|
|
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;
|
|
}
|