268 lines
7.8 KiB
C
268 lines
7.8 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-config.h>
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#include "glamor/glamor_priv.h"
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#define MESA_EGL_NO_X11_HEADERS
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#define EGL_NO_X11
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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 <glamor_glx_provider.h>
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#ifdef GLXEXT
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#include "glx_extinit.h"
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#endif
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#include "drm-client-protocol.h"
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#include "linux-dmabuf-unstable-v1-client-protocol.h"
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#include "linux-drm-syncobj-v1-client-protocol.h"
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#include "mi/mi_priv.h"
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#include "xwayland-dmabuf.h"
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#include "xwayland-glamor.h"
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#include "xwayland-glamor-gbm.h"
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#include "xwayland-present.h"
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#include "xwayland-screen.h"
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#include "xwayland-window.h"
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#include "xwayland-window-buffers.h"
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#include <sys/mman.h>
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static void
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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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void
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xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen)
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{
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EGLContext ctx = xwl_screen->glamor_ctx->ctx;
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if (lastGLContext == ctx)
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return;
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lastGLContext = ctx;
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xwl_screen->glamor_ctx->make_current(xwl_screen->glamor_ctx);
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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_set_glvnd_vendor(screen, xwl_screen->glvnd_vendor);
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glamor_enable_dri3(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 = glamor_egl_make_current;
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xwl_screen->glamor_ctx = glamor_ctx;
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}
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Bool
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xwl_glamor_check_flip(WindowPtr present_window, PixmapPtr pixmap)
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{
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ScreenPtr screen = pixmap->drawable.pScreen;
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PixmapPtr backing_pixmap = screen->GetWindowPixmap(present_window);
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struct xwl_window *xwl_window = xwl_window_from_window(present_window);
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WindowPtr surface_window = xwl_window->surface_window;
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if (pixmap->drawable.depth != backing_pixmap->drawable.depth) {
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if (pixmap->drawable.depth == 32)
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return FALSE;
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return xwl_present_maybe_redirect_window(present_window);
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}
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if (surface_window->redirectDraw == RedirectDrawAutomatic &&
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surface_window->drawable.depth != 32 &&
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surface_window->parent->drawable.depth == 32)
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xwl_present_maybe_redirect_window(surface_window);
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return TRUE;
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}
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void
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xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
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struct wl_registry *registry,
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uint32_t id, const char *interface,
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uint32_t version)
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{
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if (strcmp(interface, wl_drm_interface.name) == 0)
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xwl_screen_set_drm_interface(xwl_screen, id, version);
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else if (strcmp(interface, zwp_linux_dmabuf_v1_interface.name) == 0)
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xwl_screen_set_dmabuf_interface(xwl_screen, id, version);
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else if (strcmp(interface, wp_linux_drm_syncobj_manager_v1_interface.name) == 0)
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xwl_screen_set_syncobj_interface(xwl_screen, id, version);
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}
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static Bool
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xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen)
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{
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if (!xwl_glamor_has_wl_drm(xwl_screen) &&
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xwl_screen->dmabuf_protocol_version < 4) {
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LogMessageVerb(X_INFO, 3, "glamor: 'wl_drm' not supported and linux-dmabuf v4 not supported\n");
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return FALSE;
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}
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return TRUE;
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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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if (!miCreateScreenResources(screen))
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return FALSE;
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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 = screen->CreatePixmap(
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screen, screen->width, screen->height, 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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int
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glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
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PixmapPtr pixmap,
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CARD16 *stride, CARD32 *size)
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{
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return 0;
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}
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int
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xwl_glamor_get_fence(struct xwl_screen *xwl_screen)
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{
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EGLint attribs[3];
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EGLSyncKHR sync;
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int fence_fd = -1;
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if (!xwl_screen->glamor)
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return -1;
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xwl_glamor_egl_make_current(xwl_screen);
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attribs[0] = EGL_SYNC_NATIVE_FENCE_FD_ANDROID;
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attribs[1] = EGL_NO_NATIVE_FENCE_FD_ANDROID;
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attribs[2] = EGL_NONE;
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sync = eglCreateSyncKHR(xwl_screen->egl_display, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
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if (sync != EGL_NO_SYNC_KHR) {
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fence_fd = eglDupNativeFenceFDANDROID(xwl_screen->egl_display, sync);
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eglDestroySyncKHR(xwl_screen->egl_display, sync);
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}
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return fence_fd;
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}
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/* Takes ownership of fence_fd, specifically eglCreateSyncKHR does */
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void
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xwl_glamor_wait_fence(struct xwl_screen *xwl_screen, int fence_fd)
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{
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EGLint attribs[3];
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EGLSyncKHR sync;
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if (!xwl_screen->glamor) {
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close(fence_fd);
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return;
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}
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xwl_glamor_egl_make_current(xwl_screen);
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attribs[0] = EGL_SYNC_NATIVE_FENCE_FD_ANDROID;
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attribs[1] = fence_fd;
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attribs[2] = EGL_NONE;
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sync = eglCreateSyncKHR(xwl_screen->egl_display, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
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if (sync != EGL_NO_SYNC_KHR) {
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eglWaitSyncKHR(xwl_screen->egl_display, sync, 0);
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eglDestroySyncKHR(xwl_screen->egl_display, sync);
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}
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}
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Bool
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xwl_glamor_init(struct xwl_screen *xwl_screen)
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{
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ScreenPtr screen = xwl_screen->screen;
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const char *no_glamor_env;
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no_glamor_env = getenv("XWAYLAND_NO_GLAMOR");
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if (no_glamor_env && *no_glamor_env != '0') {
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ErrorF("Disabling glamor and dri3 support, XWAYLAND_NO_GLAMOR is set\n");
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return FALSE;
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}
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if (!xwl_glamor_has_wl_interfaces(xwl_screen)) {
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ErrorF("Xwayland glamor: GBM Wayland interfaces not available\n");
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return FALSE;
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}
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if (!xwl_glamor_gbm_init_egl(xwl_screen)) {
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ErrorF("EGL setup failed, disabling glamor\n");
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return FALSE;
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}
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if (!glamor_init(xwl_screen->screen, GLAMOR_USE_EGL_SCREEN)) {
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ErrorF("Failed to initialize glamor\n");
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return FALSE;
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}
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if (!xwl_glamor_gbm_init_screen(xwl_screen)) {
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ErrorF("EGL backend init_screen() failed, disabling glamor\n");
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return FALSE;
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}
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screen->CreateScreenResources = xwl_glamor_create_screen_resources;
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#ifdef XV
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if (!xwl_glamor_xv_init(screen))
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ErrorF("Failed to initialize glamor Xv extension\n");
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#endif
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#ifdef GLXEXT
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GlxPushProvider(&glamor_provider);
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#endif
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return TRUE;
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}
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