xserver/hw/xwayland/xwayland-glamor.c

271 lines
8.1 KiB
C

/*
* Copyright © 2011-2014 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of the
* copyright holders not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <xwayland-config.h>
#define MESA_EGL_NO_X11_HEADERS
#define EGL_NO_X11
#include <glamor_egl.h>
#include <glamor.h>
#include <glamor_context.h>
#include <glamor_glx_provider.h>
#ifdef GLXEXT
#include "glx_extinit.h"
#endif
#include "drm-client-protocol.h"
#include "linux-dmabuf-unstable-v1-client-protocol.h"
#include "linux-drm-syncobj-v1-client-protocol.h"
#include "xwayland-dmabuf.h"
#include "xwayland-glamor.h"
#include "xwayland-glamor-gbm.h"
#include "xwayland-present.h"
#include "xwayland-screen.h"
#include "xwayland-window.h"
#include "xwayland-window-buffers.h"
#include <sys/mman.h>
static void
glamor_egl_make_current(struct glamor_context *glamor_ctx)
{
eglMakeCurrent(glamor_ctx->display, EGL_NO_SURFACE,
EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (!eglMakeCurrent(glamor_ctx->display,
EGL_NO_SURFACE, EGL_NO_SURFACE,
glamor_ctx->ctx))
FatalError("Failed to make EGL context current\n");
}
void
xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen)
{
EGLContext ctx = xwl_screen->glamor_ctx->ctx;
if (lastGLContext == ctx)
return;
lastGLContext = ctx;
xwl_screen->glamor_ctx->make_current(xwl_screen->glamor_ctx);
}
void
glamor_egl_screen_init(ScreenPtr screen, struct glamor_context *glamor_ctx)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
glamor_set_glvnd_vendor(screen, xwl_screen->glvnd_vendor);
glamor_enable_dri3(screen);
glamor_ctx->ctx = xwl_screen->egl_context;
glamor_ctx->display = xwl_screen->egl_display;
glamor_ctx->make_current = glamor_egl_make_current;
xwl_screen->glamor_ctx = glamor_ctx;
}
Bool
xwl_glamor_check_flip(WindowPtr present_window, PixmapPtr pixmap)
{
ScreenPtr screen = pixmap->drawable.pScreen;
PixmapPtr backing_pixmap = screen->GetWindowPixmap(present_window);
struct xwl_window *xwl_window = xwl_window_from_window(present_window);
WindowPtr surface_window = xwl_window->surface_window;
if (pixmap->drawable.depth != backing_pixmap->drawable.depth) {
if (pixmap->drawable.depth == 32)
return FALSE;
return xwl_present_maybe_redirect_window(present_window);
}
if (surface_window->redirectDraw == RedirectDrawAutomatic &&
surface_window->drawable.depth != 32 &&
surface_window->parent->drawable.depth == 32)
xwl_present_maybe_redirect_window(surface_window);
return TRUE;
}
void
xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
struct wl_registry *registry,
uint32_t id, const char *interface,
uint32_t version)
{
if (strcmp(interface, wl_drm_interface.name) == 0)
xwl_screen_set_drm_interface(xwl_screen, id, version);
else if (strcmp(interface, zwp_linux_dmabuf_v1_interface.name) == 0)
xwl_screen_set_dmabuf_interface(xwl_screen, id, version);
else if (strcmp(interface, wp_linux_drm_syncobj_manager_v1_interface.name) == 0)
xwl_screen_set_syncobj_interface(xwl_screen, id, version);
}
static Bool
xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen)
{
if (!xwl_glamor_has_wl_drm(xwl_screen) &&
xwl_screen->dmabuf_protocol_version < 4) {
LogMessageVerb(X_INFO, 3, "glamor: 'wl_drm' not supported and linux-dmabuf v4 not supported\n");
return FALSE;
}
return TRUE;
}
static Bool
xwl_glamor_create_screen_resources(ScreenPtr screen)
{
struct xwl_screen *xwl_screen = xwl_screen_get(screen);
int ret;
screen->CreateScreenResources = xwl_screen->CreateScreenResources;
ret = (*screen->CreateScreenResources) (screen);
xwl_screen->CreateScreenResources = screen->CreateScreenResources;
screen->CreateScreenResources = xwl_glamor_create_screen_resources;
if (!ret)
return ret;
if (xwl_screen->rootless) {
screen->devPrivate =
fbCreatePixmap(screen, 0, 0, screen->rootDepth, 0);
}
else {
screen->devPrivate = screen->CreatePixmap(
screen, screen->width, screen->height, screen->rootDepth,
CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
}
SetRootClip(screen, xwl_screen->root_clip_mode);
return screen->devPrivate != NULL;
}
int
glamor_egl_fd_name_from_pixmap(ScreenPtr screen,
PixmapPtr pixmap,
CARD16 *stride, CARD32 *size)
{
return 0;
}
int
xwl_glamor_get_fence(struct xwl_screen *xwl_screen)
{
EGLint attribs[3];
EGLSyncKHR sync;
int fence_fd = -1;
if (!xwl_screen->glamor)
return -1;
xwl_glamor_egl_make_current(xwl_screen);
attribs[0] = EGL_SYNC_NATIVE_FENCE_FD_ANDROID;
attribs[1] = EGL_NO_NATIVE_FENCE_FD_ANDROID;
attribs[2] = EGL_NONE;
sync = eglCreateSyncKHR(xwl_screen->egl_display, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
if (sync != EGL_NO_SYNC_KHR) {
fence_fd = eglDupNativeFenceFDANDROID(xwl_screen->egl_display, sync);
eglDestroySyncKHR(xwl_screen->egl_display, sync);
}
return fence_fd;
}
/* Takes ownership of fence_fd, specifically eglCreateSyncKHR does */
void
xwl_glamor_wait_fence(struct xwl_screen *xwl_screen, int fence_fd)
{
EGLint attribs[3];
EGLSyncKHR sync;
if (!xwl_screen->glamor) {
close(fence_fd);
return;
}
xwl_glamor_egl_make_current(xwl_screen);
attribs[0] = EGL_SYNC_NATIVE_FENCE_FD_ANDROID;
attribs[1] = fence_fd;
attribs[2] = EGL_NONE;
sync = eglCreateSyncKHR(xwl_screen->egl_display, EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
if (sync != EGL_NO_SYNC_KHR) {
eglWaitSyncKHR(xwl_screen->egl_display, sync, 0);
eglDestroySyncKHR(xwl_screen->egl_display, sync);
}
}
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_glamor_has_wl_interfaces(xwl_screen)) {
ErrorF("Xwayland glamor: GBM Wayland interfaces not available\n");
return FALSE;
}
if (!xwl_glamor_gbm_init_egl(xwl_screen)) {
ErrorF("EGL setup failed, disabling glamor\n");
return FALSE;
}
if (!glamor_init(xwl_screen->screen, GLAMOR_USE_EGL_SCREEN)) {
ErrorF("Failed to initialize glamor\n");
return FALSE;
}
if (!xwl_glamor_gbm_init_screen(xwl_screen)) {
ErrorF("EGL backend init_screen() failed, disabling glamor\n");
return FALSE;
}
xwl_screen->CreateScreenResources = screen->CreateScreenResources;
screen->CreateScreenResources = xwl_glamor_create_screen_resources;
#ifdef XV
if (!xwl_glamor_xv_init(screen))
ErrorF("Failed to initialize glamor Xv extension\n");
#endif
#ifdef GLXEXT
GlxPushProvider(&glamor_provider);
#endif
return TRUE;
}