[PATCH 11/12] Add "none" acceleration option

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This just uses fb directly

Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
---
 configure.ac            |  24 ++++-
 src/Makefile.am         |   9 +-
 src/intel_module.c      |  12 ++-
 src/uxa/Makefile.am     |  46 ++++++---
 src/uxa/intel.h         |   5 +
 src/uxa/intel_display.c |   6 ++
 src/uxa/intel_dri3.c    |  49 ++++++----
 src/uxa/intel_driver.c  | 245 ++++++++++++++++++++++++++++++------------------
 src/uxa/intel_glamor.c  |  10 ++
 src/uxa/intel_none.c    | 189 +++++++++++++++++++++++++++++++++++++
 src/uxa/intel_none.h    |  38 ++++++++
 src/uxa/intel_uxa.c     |   9 ++
 12 files changed, 504 insertions(+), 138 deletions(-)
 create mode 100644 src/uxa/intel_none.c
 create mode 100644 src/uxa/intel_none.h

diff --git a/configure.ac b/configure.ac
index 5c3dd20..46c3143 100644
--- a/configure.ac
+++ b/configure.ac
@@ -396,7 +396,6 @@ if test "x$UXA" = "xauto"; then
 fi
 if test "x$UXA" != "xno"; then
 	AC_DEFINE(USE_UXA, 1, [Enable UXA support])
-	PKG_CHECK_MODULES(DRMINTEL, [libdrm_intel >= $uxa_requires_libdrm])
 	required_pixman_version=0.24
 	UXA=yes
 fi
@@ -407,9 +406,6 @@ AC_ARG_ENABLE(glamor,
 	      [GLAMOR="$enableval"],
 	      [GLAMOR="no"])
 if test "x$GLAMOR" != "xno"; then
-	if test "x$UXA" != "xyes"; then
-		AC_MSG_ERROR([Glamor acceleration requested but UXA is not enabled])
-	fi
 	if pkg-config --exists "xorg-server >= 1.15.99.901"; then
 		GLAMOR="yes (using Xorg glamor module)"
 	else
@@ -417,9 +413,12 @@ if test "x$GLAMOR" != "xno"; then
 		PKG_CHECK_MODULES(LIBGLAMOR_EGL, [glamor-egl])
 		GLAMOR="yes (using libglamor)"
 	fi
+	GLAMOR=yes
 	AC_DEFINE(USE_GLAMOR, 1, [Enable glamor acceleration])
 fi
 
+PKG_CHECK_MODULES(DRMINTEL, [libdrm_intel >= $uxa_requires_libdrm])
+
 PKG_CHECK_MODULES(XORG, [xorg-server >= $required_xorg_server_version xproto fontsproto pixman-1 >= $required_pixman_version $REQUIRED_MODULES])
 ABI_VERSION=`$PKG_CONFIG --variable=abi_videodrv xorg-server`
 
@@ -661,6 +660,12 @@ if test "x$accel" = "xauto"; then
 	else
 		if test "x$UXA" != "xno"; then
 			accel="uxa"
+		else
+			if test "x$GLAMOR" != "xno"; then
+				accel="glamor"
+			else
+				accel="none"
+			fi
 		fi
 	fi
 	if test "x$accel" = "xauto" -a "x$KMS" = "xyes"; then
@@ -696,6 +701,11 @@ if test "x$accel" = "xglamor"; then
 	fi
 fi
 
+if test "x$accel" = "xnone"; then
+	AC_DEFINE(DEFAULT_ACCEL_METHOD, NONE, [Default acceleration method])
+	have_accel="yes"
+fi
+
 if test "x$have_accel" = "xnone"; then
 	if test "x$KMS" = "xyes"; then
 		AC_MSG_ERROR([Invalid default acceleration option])
@@ -886,6 +896,12 @@ if test "x$GLAMOR" != "xno"; then
 	fi
 fi
 
+if test "$accel" = "none"; then
+	accel_msg="$accel_msg *none"
+else
+	accel_msg="$accel_msg none"
+fi
+
 if test "x$dri_msg" = "x"; then
 	dri_msg=" none"
 fi
diff --git a/src/Makefile.am b/src/Makefile.am
index aa8b47e..ce6f836 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,7 +18,7 @@
 #  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 #  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-SUBDIRS = render_program legacy
+SUBDIRS = render_program legacy uxa
 
 # this is obnoxious:
 # -module lets us name the module exactly how we want
@@ -41,18 +41,13 @@ endif
 intel_drv_la_LTLIBRARIES = intel_drv.la
 intel_drv_la_LDFLAGS = -module -avoid-version
 intel_drv_ladir = $(moduledir)/drivers
-intel_drv_la_LIBADD = legacy/liblegacy.la $(PCIACCESS_LIBS) $(XORG_LIBS)
+intel_drv_la_LIBADD = legacy/liblegacy.la uxa/libuxa.la $(PCIACCESS_LIBS) $(XORG_LIBS)
 
 if SNA
 SUBDIRS += sna
 intel_drv_la_LIBADD += sna/libsna.la
 endif
 
-if UXA
-SUBDIRS += uxa
-intel_drv_la_LIBADD += uxa/libuxa.la
-endif
-
 NULL:=#
 
 intel_drv_la_SOURCES = \
diff --git a/src/intel_module.c b/src/intel_module.c
index d6a0d3c..b8d7f91 100644
--- a/src/intel_module.c
+++ b/src/intel_module.c
@@ -489,7 +489,7 @@ _xf86findDriver(const char *ident, XF86ConfDevicePtr p)
 	return NULL;
 }
 
-static enum accel_method { SNA, UXA, GLAMOR } get_accel_method(void)
+static enum accel_method { NONE, SNA, UXA, GLAMOR } get_accel_method(void)
 {
 	enum accel_method accel_method = DEFAULT_ACCEL_METHOD;
 	XF86ConfDevicePtr dev;
@@ -509,6 +509,8 @@ static enum accel_method { SNA, UXA, GLAMOR } get_accel_method(void)
 				accel_method = UXA;
 			else if (strcasecmp(s, "glamor") == 0)
 				accel_method = GLAMOR;
+                        else if (strcasecmp(s, "none") == 0)
+                                 accel_method = NONE;
 		}
 	}
 
@@ -564,12 +566,14 @@ intel_scrn_create(DriverPtr		driver,
 #if USE_SNA
 	case SNA: return sna_init_scrn(scrn, entity_num);
 #endif
-#if USE_UXA
+#if USE_GLAMOR
 	case GLAMOR:
+#endif
+#if USE_UXA
 	case UXA:
-		  return intel_init_scrn(scrn);
 #endif
-
+        case NONE:
+		  return intel_init_scrn(scrn);
 	default: break;
 	}
 #endif
diff --git a/src/uxa/Makefile.am b/src/uxa/Makefile.am
index b9618c9..b7b5138 100644
--- a/src/uxa/Makefile.am
+++ b/src/uxa/Makefile.am
@@ -25,21 +25,27 @@ AM_CFLAGS += -I$(top_srcdir)/xvmc -I$(top_srcdir)/src -I$(top_srcdir)/src/render
 noinst_LTLIBRARIES = libuxa.la
 libuxa_la_LIBADD = $(UDEV_LIBS) $(DRMINTEL_LIBS) $(DRM_LIBS)
 libuxa_la_SOURCES = \
-	intel_uxa.h \
-	brw_defines.h \
-	brw_structs.h \
 	common.h \
 	intel.h \
-	intel_batchbuffer.c \
-	intel_batchbuffer.h \
 	intel_display.c \
 	intel_driver.c \
 	intel_memory.c \
-	intel_uxa.c \
+	intel_none.c \
+	intel_none.h \
 	intel_video.c \
 	intel_video.h \
 	intel_video_overlay.c \
 	intel_video_overlay.h \
+	$(NULL)
+
+if UXA
+libuxa_la_SOURCES += \
+	intel_uxa.h \
+	intel_batchbuffer.c \
+	intel_batchbuffer.h \
+	brw_defines.h \
+	brw_structs.h \
+	intel_uxa.c \
 	intel_uxa_video.c \
 	i830_3d.c \
 	i830_render.c \
@@ -61,9 +67,20 @@ libuxa_la_SOURCES = \
 	uxa-glyphs.c \
 	uxa-render.c \
 	uxa-priv.h \
-	uxa-unaccel.c
+	uxa-unaccel.c \
+	 $(NULL)
+endif
+
+if GLAMOR
+AM_CFLAGS += $(LIBGLAMOR_CFLAGS)
+libuxa_la_LIBADD += $(LIBGLAMOR_LIBS)
+libuxa_la_SOURCES += \
+	intel_glamor.h \
+	intel_glamor.c \
 	$(NULL)
+endif
 
+if UXA
 if DRI2
 AM_CFLAGS += $(DRI2_CFLAGS)
 libuxa_la_SOURCES += \
@@ -75,6 +92,15 @@ libuxa_la_LIBADD += \
 	$(NULL)
 endif
 
+if XVMC
+AM_CFLAGS += -I$(top_srcdir)/xvmc
+libuxa_la_SOURCES += \
+	intel_hwmc.c \
+	$(NULL)
+endif
+
+endif
+
 if DRI3
 libuxa_la_SOURCES += \
 	intel_dri3.c \
@@ -88,9 +114,3 @@ libuxa_la_SOURCES += \
 	$(NULL)
 endif
 
-if XVMC
-AM_CFLAGS += -I$(top_srcdir)/xvmc
-libuxa_la_SOURCES += \
-	intel_hwmc.c \
-	$(NULL)
-endif
diff --git a/src/uxa/intel.h b/src/uxa/intel.h
index 5fbb2c7..ae33938 100644
--- a/src/uxa/intel.h
+++ b/src/uxa/intel.h
@@ -112,6 +112,7 @@ enum dri_type {
 };
 
 enum accel_type {
+        ACCEL_NONE,
 #if USE_GLAMOR
         ACCEL_GLAMOR,
 #endif
@@ -126,9 +127,11 @@ typedef struct intel_screen_private {
 
         enum accel_type accel;
 
+#if USE_UXA
 #define RENDER_BATCH			I915_EXEC_RENDER
 #define BLT_BATCH			I915_EXEC_BLT
 	unsigned int current_batch;
+#endif
 
 	void *modes;
 	drm_intel_bo *front_buffer, *back_buffer;
@@ -544,7 +547,9 @@ Bool intel_present_screen_init(ScreenPtr screen);
 static inline Bool intel_present_screen_init(ScreenPtr screen) { return 0; }
 #endif
 
+#if USE_UXA
 #include "intel_uxa.h"
+#endif
 
 dri_bo *
 intel_get_pixmap_bo(PixmapPtr pixmap);
diff --git a/src/uxa/intel_display.c b/src/uxa/intel_display.c
index a4c4b82..1d4ba3c 100644
--- a/src/uxa/intel_display.c
+++ b/src/uxa/intel_display.c
@@ -56,9 +56,11 @@
 #include "xf86DDC.h"
 #include "fb.h"
 #include "uxa.h"
+
 #if USE_GLAMOR
 #include "intel_glamor.h"
 #endif
+#include "intel_none.h"
 
 #define KNOWN_MODE_FLAGS ((1<<14)-1)
 
@@ -1491,6 +1493,10 @@ intel_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
                         goto fail;
                 break;
 #endif
+        case ACCEL_NONE:
+                if (!intel_none_create_screen_resources(scrn->pScreen))
+                        goto fail;
+                break;
         }
 
 	for (i = 0; i < xf86_config->num_crtc; i++) {
diff --git a/src/uxa/intel_dri3.c b/src/uxa/intel_dri3.c
index 16a2463..be7af49 100644
--- a/src/uxa/intel_dri3.c
+++ b/src/uxa/intel_dri3.c
@@ -56,7 +56,6 @@ static PixmapPtr intel_dri3_pixmap_from_fd(ScreenPtr screen,
 {
 	ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
 	intel_screen_private *intel = intel_get_screen_private(scrn);
-	struct intel_uxa_pixmap *priv;
 	PixmapPtr pixmap;
 	dri_bo *bo;
 
@@ -84,14 +83,19 @@ static PixmapPtr intel_dri3_pixmap_from_fd(ScreenPtr screen,
 	if (bo == NULL)
 		goto free_pixmap;
 
-	intel_uxa_set_pixmap_bo(pixmap, bo);
+	intel_set_pixmap_bo(pixmap, bo);
 	dri_bo_unreference(bo);
 
-	priv = intel_uxa_get_pixmap_private(pixmap);
-	if (priv == NULL)
-		goto free_pixmap;
+#if USE_UXA
+        if (intel->accel == ACCEL_UXA) {
+                struct intel_uxa_pixmap *priv;
+                priv = intel_uxa_get_pixmap_private(pixmap);
+                if (priv == NULL)
+                        goto free_pixmap;
 
-	priv->pinned |= PIN_DRI3;
+                priv->pinned |= PIN_DRI3;
+        }
+#endif
 
 	return pixmap;
 
@@ -105,23 +109,30 @@ static int intel_dri3_fd_from_pixmap(ScreenPtr screen,
 				     CARD16 *stride,
 				     CARD32 *size)
 {
-	struct intel_uxa_pixmap *priv;
-	int fd;
-
-	priv = intel_uxa_get_pixmap_private(pixmap);
-	if (!priv)
-		return -1;
+        dri_bo *bo;
+        int fd;
 
-	if (priv->stride > UINT16_MAX)
-		return -1;
+        bo = intel_get_pixmap_bo(pixmap);
+        if (!bo)
+                return -1;
 
-	if (drm_intel_bo_gem_export_to_prime(priv->bo, &fd) < 0)
+	if (drm_intel_bo_gem_export_to_prime(bo, &fd) < 0)
 		return -1;
 
-	priv->pinned |= PIN_DRI3;
-
-	*stride = priv->stride;
-	*size = priv->bo->size;
+#if USE_UXA
+        if (intel_get_screen_private(xf86ScreenToScrn(screen))->accel== ACCEL_UXA) {
+                struct intel_uxa_pixmap *priv;
+
+                priv = intel_uxa_get_pixmap_private(pixmap);
+                if (!priv)
+                        return -1;
+                if (priv->stride > UINT16_MAX)
+                        return -1;
+                priv->pinned |= PIN_DRI3;
+        }
+#endif
+	*stride = bo->size / pixmap->drawable.height;
+	*size = bo->size;
 	return fd;
 }
 
diff --git a/src/uxa/intel_driver.c b/src/uxa/intel_driver.c
index 065c679..316de64 100644
--- a/src/uxa/intel_driver.c
+++ b/src/uxa/intel_driver.c
@@ -62,6 +62,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "intel.h"
 #include "intel_video.h"
 #include "uxa_module.h"
+#include "intel_none.h"
 
 #ifdef INTEL_XVMC
 #define _INTEL_XVMC_SERVER_
@@ -177,6 +178,10 @@ static Bool i830CreateScreenResources(ScreenPtr screen)
                         return FALSE;
                 intel_copy_fb(scrn);
 #endif
+        case ACCEL_NONE:
+                if (!intel_none_create_screen_resources(screen))
+                        return FALSE;
+                break;
         }
 
 	return TRUE;
@@ -199,6 +204,9 @@ intel_set_pixmap_bo(PixmapPtr pixmap, dri_bo *bo)
                 intel_uxa_set_pixmap_bo(pixmap, bo);
                 break;
 #endif
+        case ACCEL_NONE:
+                intel_none_set_pixmap_bo(pixmap, bo);
+                break;
         default:
                 ErrorF("No accel architecture, cannot set pixmap bo\n");
                 break;
@@ -220,6 +228,8 @@ intel_get_pixmap_bo(PixmapPtr pixmap)
         case ACCEL_UXA:
 		return intel_uxa_get_pixmap_bo(pixmap);
 #endif
+        case ACCEL_NONE:
+                return intel_none_get_pixmap_bo(pixmap);
         default:
                 ErrorF("No accel architecture, cannot set pixmap bo\n");
 	        return NULL;
@@ -240,6 +250,8 @@ intel_flush(intel_screen_private *intel)
                 intel_batch_submit(intel->scrn);
                 break;
 #endif
+        default:
+                break;
         }
 }
 
@@ -276,6 +288,9 @@ static void intel_check_accel_option(ScrnInfoPtr scrn)
                         accel_method = UXA;
                 else
 #endif
+                if (strcasecmp(s, "none") == 0)
+                        accel_method = NONE;
+                else
                         accel_method = DEFAULT_ACCEL_METHOD;
         }
         switch (accel_method) {
@@ -290,6 +305,9 @@ static void intel_check_accel_option(ScrnInfoPtr scrn)
                 intel->accel = ACCEL_UXA;
                 break;
 #endif
+        case NONE:
+                intel->accel = ACCEL_NONE;
+                break;
         }
 }
 
@@ -376,10 +394,13 @@ static int intel_init_bufmgr(intel_screen_private *intel)
 	if (!intel->bufmgr)
 		return FALSE;
 
-	if (xf86ReturnOptValBool(intel->Options, OPTION_BUFFER_CACHE, TRUE))
-		drm_intel_bufmgr_gem_enable_reuse(intel->bufmgr);
-	drm_intel_bufmgr_gem_set_vma_cache_size(intel->bufmgr, 512);
-	drm_intel_bufmgr_gem_enable_fenced_relocs(intel->bufmgr);
+#if USE_UXA
+        if (intel->accel == ACCEL_UXA) {
+                if (xf86ReturnOptValBool(intel->Options, OPTION_BUFFER_CACHE, TRUE))
+                        drm_intel_bufmgr_gem_enable_reuse(intel->bufmgr);
+                drm_intel_bufmgr_gem_set_vma_cache_size(intel->bufmgr, 512);
+                drm_intel_bufmgr_gem_enable_fenced_relocs(intel->bufmgr);
+        }
 
 	list_init(&intel->batch_pixmaps);
 
@@ -388,6 +409,7 @@ static int intel_init_bufmgr(intel_screen_private *intel)
 			drm_intel_bo_alloc(intel->bufmgr, "wa scratch",
 					   4096, 4096);
 	}
+#endif
 
 	return TRUE;
 }
@@ -397,7 +419,10 @@ static void intel_bufmgr_fini(intel_screen_private *intel)
 	if (intel->bufmgr == NULL)
 		return;
 
-	drm_intel_bo_unreference(intel->wa_scratch_bo);
+#if USE_UXA
+        if (intel->accel == ACCEL_UXA)
+                drm_intel_bo_unreference(intel->wa_scratch_bo);
+#endif
 	drm_intel_bufmgr_destroy(intel->bufmgr);
 }
 
@@ -711,7 +736,11 @@ static Bool I830PreInit(ScrnInfoPtr scrn, int flags)
                         PreInitCleanup(scrn);
                         xf86DrvMsg(scrn->scrnIndex, X_ERROR,
                                    "Failed to pre init glamor display.\n");
+#if USE_UXA
                         intel->accel = ACCEL_UXA;
+#else
+                        intel->accel = ACCEL_NONE;
+#endif
                 }
                 break;
 #endif
@@ -722,12 +751,14 @@ static Bool I830PreInit(ScrnInfoPtr scrn, int flags)
                 if (intel->dri2 != DRI_DISABLED && !xf86LoadSubModule(scrn, "dri2"))
                         intel->dri2 = DRI_DISABLED;
 #endif
+                /* fall through ... */
+#endif
+        case ACCEL_NONE:
 #if HAVE_DRI3
                 if (intel->dri3 != DRI_DISABLED && !xf86LoadSubModule(scrn, "dri3"))
                         intel->dri3 = DRI_DISABLED;
 #endif
                 break;
-#endif
         default:
                 break;
         }
@@ -760,7 +791,7 @@ redisplay_dirty(ScreenPtr screen, PixmapDirtyUpdatePtr dirty)
 
         intel_flush(intel);
 	if (!intel->has_prime_vmap_flush) {
-		drm_intel_bo *bo = intel_uxa_get_pixmap_bo(dirty->slave_dst->master_pixmap);
+		drm_intel_bo *bo = (drm_intel_bo *) intel_get_pixmap_bo(dirty->slave_dst->master_pixmap);
 		was_blocked = xf86BlockSIGIO();
 		drm_intel_bo_map(bo, FALSE);
 		drm_intel_bo_unmap(bo);
@@ -804,8 +835,12 @@ I830BlockHandler(BLOCKHANDLER_ARGS_DECL)
 	intel->BlockHandler = screen->BlockHandler;
 	screen->BlockHandler = I830BlockHandler;
 
-	intel_uxa_block_handler(intel);
-	intel_video_block_handler(intel);
+#if USE_UXA
+        if (intel->accel == ACCEL_UXA) {
+                intel_uxa_block_handler(intel);
+                intel_video_block_handler(intel);
+        }
+#endif
 #ifdef INTEL_PIXMAP_SHARING
 	intel_dirty_update(screen);
 #endif
@@ -957,9 +992,11 @@ I830ScreenInit(SCREEN_INIT_ARGS_DECL)
 	ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
 	intel_screen_private *intel = intel_get_screen_private(scrn);
 	VisualPtr visual;
+#if USE_UXA
 #ifdef INTEL_XVMC
 	MessageType from;
 #endif
+#endif
 	struct pci_device *const device = intel->PciInfo;
 	int fb_bar = IS_GEN2(intel) ? 0 : 2;
 
@@ -985,32 +1022,6 @@ I830ScreenInit(SCREEN_INIT_ARGS_DECL)
 	if (!miSetPixmapDepths())
 		return FALSE;
 
-	/* Must be first, before anything else installs screen callbacks. */
-	if (!fbScreenInit(screen, NULL,
-			  scrn->virtualX, scrn->virtualY,
-			  scrn->xDpi, scrn->yDpi,
-			  scrn->displayWidth, scrn->bitsPerPixel))
-		return FALSE;
-
-	if (scrn->bitsPerPixel > 8) {
-		/* Fixup RGB ordering */
-		visual = screen->visuals + screen->numVisuals;
-		while (--visual >= screen->visuals) {
-			if ((visual->class | DynamicClass) == DirectColor) {
-				visual->offsetRed = scrn->offset.red;
-				visual->offsetGreen = scrn->offset.green;
-				visual->offsetBlue = scrn->offset.blue;
-				visual->redMask = scrn->mask.red;
-				visual->greenMask = scrn->mask.green;
-				visual->blueMask = scrn->mask.blue;
-			}
-		}
-	}
-
-	fbPictureInit(screen, NULL, 0);
-
-	xf86SetBlackWhitePixels(screen);
-
         switch (intel->accel) {
 #if USE_GLAMOR
         case ACCEL_GLAMOR:
@@ -1028,11 +1039,26 @@ I830ScreenInit(SCREEN_INIT_ARGS_DECL)
                                    "Hardware acceleration initialization failed\n");
                         return FALSE;
                 }
+                break;
+#endif
+        case ACCEL_NONE:
+                if (!intel_none_init(screen)) {
+                        xf86DrvMsg(scrn->scrnIndex, X_ERROR,
+                                   "Screen initialization failed\n");
+                        return FALSE;
+                }
+        }
+
+        switch (intel->accel) {
+#if USE_UXA
+        case ACCEL_UXA:
 #if HAVE_DRI2
                 if (intel->dri2 == DRI_NONE && I830DRI2ScreenInit(screen))
                         intel->dri2 = DRI_ACTIVE;
 #endif
-
+                /* fall through ... */
+#endif /* USE_UXA */
+        case ACCEL_NONE:
 #if HAVE_DRI3
                 if (!intel_sync_init(screen))
                         intel->dri3 = DRI_DISABLED;
@@ -1040,9 +1066,27 @@ I830ScreenInit(SCREEN_INIT_ARGS_DECL)
                         intel->dri3 = DRI_ACTIVE;
 #endif
                 break;
-#endif
+        default:
+                break;
         }
 
+	if (scrn->bitsPerPixel > 8) {
+		/* Fixup RGB ordering */
+		visual = screen->visuals + screen->numVisuals;
+		while (--visual >= screen->visuals) {
+			if ((visual->class | DynamicClass) == DirectColor) {
+				visual->offsetRed = scrn->offset.red;
+				visual->offsetGreen = scrn->offset.green;
+				visual->offsetBlue = scrn->offset.blue;
+				visual->redMask = scrn->mask.red;
+				visual->greenMask = scrn->mask.green;
+				visual->blueMask = scrn->mask.blue;
+			}
+		}
+	}
+
+	xf86SetBlackWhitePixels(screen);
+
 	if (xf86ReturnOptValBool(intel->Options, OPTION_PRESENT, TRUE))
 		intel_present_screen_init(screen);
 
@@ -1095,58 +1139,66 @@ I830ScreenInit(SCREEN_INIT_ARGS_DECL)
 
 	xf86DPMSInit(screen, xf86DPMSSet, 0);
 
+        switch (intel->accel) {
+#if USE_UXA
+        case ACCEL_UXA:
 #ifdef INTEL_XVMC
-	if (INTEL_INFO(intel)->gen >= 040)
-		intel->XvMCEnabled = TRUE;
-	from = (intel->dri2 == DRI_ACTIVE &&
-		xf86GetOptValBool(intel->Options, OPTION_XVMC,
-				  &intel->XvMCEnabled) ? X_CONFIG : X_DEFAULT);
-	xf86DrvMsg(scrn->scrnIndex, from, "Intel XvMC decoder %sabled\n",
-		   intel->XvMCEnabled ? "en" : "dis");
+                if (INTEL_INFO(intel)->gen >= 040)
+                        intel->XvMCEnabled = TRUE;
+                from = (intel->dri2 == DRI_ACTIVE &&
+                        xf86GetOptValBool(intel->Options, OPTION_XVMC,
+                                          &intel->XvMCEnabled) ? X_CONFIG : X_DEFAULT);
+                xf86DrvMsg(scrn->scrnIndex, from, "Intel XvMC decoder %sabled\n",
+                           intel->XvMCEnabled ? "en" : "dis");
 #endif
-	/* Init video */
-	if (intel->XvEnabled)
-		intel_video_init(screen);
-
 #if HAVE_DRI2
-	switch (intel->dri2) {
-	case DRI_ACTIVE:
-		xf86DrvMsg(scrn->scrnIndex, X_INFO,
-			   "DRI2: Enabled\n");
-		break;
-	case DRI_DISABLED:
-		xf86DrvMsg(scrn->scrnIndex, X_INFO,
-			   "DRI2: Disabled\n");
-		break;
-	case DRI_NONE:
-		xf86DrvMsg(scrn->scrnIndex, X_INFO,
-			   "DRI2: Failed\n");
-		break;
-	}
+                switch (intel->dri2) {
+                case DRI_ACTIVE:
+                        xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                                   "DRI2: Enabled\n");
+                        break;
+                case DRI_DISABLED:
+                        xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                                   "DRI2: Disabled\n");
+                        break;
+                case DRI_NONE:
+                        xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                                   "DRI2: Failed\n");
+                        break;
+                }
 #else
-	xf86DrvMsg(scrn->scrnIndex, X_INFO,
-		   "DRI2: Not available\n");
+                xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                           "DRI2: Not available\n");
 #endif
 
 #if HAVE_DRI3
-	switch (intel->dri3) {
-	case DRI_ACTIVE:
-		xf86DrvMsg(scrn->scrnIndex, X_INFO,
-			   "DRI3: Enabled\n");
-		break;
-	case DRI_DISABLED:
-		xf86DrvMsg(scrn->scrnIndex, X_INFO,
-			   "DRI3: Disabled\n");
-		break;
-	case DRI_NONE:
-		xf86DrvMsg(scrn->scrnIndex, X_INFO,
-			   "DRI3: Failed\n");
-		break;
-	}
+                switch (intel->dri3) {
+                case DRI_ACTIVE:
+                        xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                                   "DRI3: Enabled\n");
+                        break;
+                case DRI_DISABLED:
+                        xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                                   "DRI3: Disabled\n");
+                        break;
+                case DRI_NONE:
+                        xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                                   "DRI3: Failed\n");
+                        break;
+                }
 #else
-	xf86DrvMsg(scrn->scrnIndex, X_INFO,
-		   "DRI3: Not available\n");
+                xf86DrvMsg(scrn->scrnIndex, X_INFO,
+                           "DRI3: Not available\n");
 #endif
+                break;
+#endif
+        default:
+                break;
+        }
+
+	/* Init video */
+	if (intel->XvEnabled)
+		intel_video_init(screen);
 
 	if (serverGeneration == 1)
 		xf86ShowUnusedOptions(scrn->scrnIndex, scrn->options);
@@ -1247,16 +1299,9 @@ static Bool I830CloseScreen(CLOSE_SCREEN_ARGS_DECL)
 #endif
 #if USE_UXA
         case ACCEL_UXA:
-
-                TimerFree(intel->cache_expire);
-                intel->cache_expire = NULL;
-
-                intel_batch_teardown(scrn);
-
-                if (INTEL_INFO(intel)->gen >= 040 && INTEL_INFO(intel)->gen < 0100)
-                        gen4_render_state_cleanup(scrn);
-
                 if (intel->uxa_driver) {
+                        TimerFree(intel->cache_expire);
+                        intel->cache_expire = NULL;
                         uxa_driver_fini(screen);
                         free(intel->uxa_driver);
                         intel->uxa_driver = NULL;
@@ -1287,9 +1332,28 @@ static Bool I830CloseScreen(CLOSE_SCREEN_ARGS_DECL)
 		I830LeaveVT(VT_FUNC_ARGS(0));
 	}
 
+        switch (intel->accel) {
+#if USE_UXA
+        case ACCEL_UXA:
+                intel_batch_teardown(scrn);
+
+                if (INTEL_INFO(intel)->gen >= 040 && INTEL_INFO(intel)->gen < 0100)
+                        gen4_render_state_cleanup(scrn);
+
+                i965_free_video(scrn);
+                /* fall through ... */
+#endif
+        case ACCEL_NONE:
+#if HAVE_DRI3
+                intel_sync_close(screen);
+#endif
+                break;
+        default:
+                break;
+        }
+
 	xf86_cursors_fini(screen);
 
-	i965_free_video(scrn);
 
 	screen->CloseScreen = intel->CloseScreen;
 	(*screen->CloseScreen) (CLOSE_SCREEN_ARGS);
@@ -1310,7 +1374,6 @@ static Bool I830CloseScreen(CLOSE_SCREEN_ARGS_DECL)
                 }
                 intel_sync_close(screen);
 #endif
-
                 break;
 #endif
         default:
diff --git a/src/uxa/intel_glamor.c b/src/uxa/intel_glamor.c
index e2bc24c..cc98eb4 100644
--- a/src/uxa/intel_glamor.c
+++ b/src/uxa/intel_glamor.c
@@ -36,6 +36,7 @@
 #define GLAMOR_FOR_XORG  1
 #include <glamor.h>
 #include <unistd.h>
+#include <mipict.h>
 
 #include "intel.h"
 #include "i915_drm.h"
@@ -210,6 +211,15 @@ intel_glamor_init(ScreenPtr screen)
 {
 	ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
 
+	/* Must be first, before anything else installs screen callbacks. */
+	if (!fbScreenInit(screen, NULL,
+			  scrn->virtualX, scrn->virtualY,
+			  scrn->xDpi, scrn->yDpi,
+			  scrn->displayWidth, scrn->bitsPerPixel))
+		return FALSE;
+
+	fbPictureInit(screen, NULL, 0);
+
 	if (!dixPrivateKeyRegistered(&intel_glamor_pixmap_key))
                 if (!dixRegisterPrivateKey(&intel_glamor_pixmap_key, PRIVATE_PIXMAP, sizeof (struct intel_glamor_pixmap)))
                         return FALSE;
diff --git a/src/uxa/intel_none.c b/src/uxa/intel_none.c
new file mode 100644
index 0000000..470ea07
--- /dev/null
+++ b/src/uxa/intel_none.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright © 2014 Keith Packard
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <assert.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include "xorg-server.h"
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86cmap.h"
+#include "xf86drm.h"
+#include "compiler.h"
+#include "mipointer.h"
+#include "micmap.h"
+#include <X11/extensions/randr.h>
+#include "fb.h"
+#include "miscstruct.h"
+#include "dixstruct.h"
+#include "xf86xv.h"
+#include "shadow.h"
+#include "intel.h"
+#include "intel_video.h"
+#include "intel_none.h"
+#include "intel_bufmgr.h"
+
+struct intel_none_screen {
+        DestroyPixmapProcPtr    DestroyPixmap;
+};
+
+static DevPrivateKeyRec intel_none_screen_key;
+
+static inline struct intel_none_screen *intel_none_get_screen(ScreenPtr screen)
+{
+        return dixGetPrivateAddr(&screen->devPrivates, &intel_none_screen_key);
+}
+
+struct intel_none_pixmap {
+        drm_intel_bo  *bo;
+};
+
+static DevPrivateKeyRec intel_none_pixmap_key;
+
+static inline struct intel_none_pixmap *intel_none_get_pixmap(PixmapPtr pixmap)
+{
+        return dixGetPrivateAddr(&pixmap->devPrivates, &intel_none_pixmap_key);
+}
+
+dri_bo *
+intel_none_get_pixmap_bo(PixmapPtr pixmap)
+{
+        return (dri_bo *) intel_none_get_pixmap(pixmap)->bo;
+}
+
+Bool
+intel_none_set_pixmap_bo(PixmapPtr pixmap, dri_bo *d_bo)
+{
+        struct intel_none_pixmap        *none_pixmap = intel_none_get_pixmap(pixmap);
+        drm_intel_bo                    *bo = (drm_intel_bo *) d_bo;
+
+        if (bo) {
+                if (drm_intel_gem_bo_map_gtt(bo) != 0)
+                        return FALSE;
+        }
+
+        if (none_pixmap->bo) {
+                drm_intel_bo_unreference(none_pixmap->bo);
+                none_pixmap->bo = NULL;
+                pixmap->devPrivate.ptr = NULL;
+        }
+
+        if (bo) {
+                pixmap->devPrivate.ptr = bo->virtual;
+                dri_bo_reference(d_bo);
+                none_pixmap->bo = bo;
+        }
+        return TRUE;
+}
+
+static Bool
+intel_none_destroy_pixmap(PixmapPtr pixmap)
+{
+        ScreenPtr                       screen = pixmap->drawable.pScreen;
+	struct intel_none_screen        *none_screen = intel_none_get_screen(screen);
+        struct intel_none_pixmap        *none_pixmap = intel_none_get_pixmap(pixmap);
+        Bool                            ret;
+
+        screen->DestroyPixmap = none_screen->DestroyPixmap;
+        if (pixmap->refcnt <= 1) {
+                if (none_pixmap->bo) {
+                        drm_intel_bo_unreference(none_pixmap->bo);
+                        none_pixmap->bo = NULL;
+                }
+        }
+
+        ret = screen->DestroyPixmap(pixmap);
+
+        none_screen->DestroyPixmap = screen->DestroyPixmap;
+        screen->DestroyPixmap = intel_none_destroy_pixmap;
+        return ret;
+}
+
+Bool
+intel_none_init(ScreenPtr screen)
+{
+	ScrnInfoPtr                     scrn = xf86ScreenToScrn(screen);
+	intel_screen_private            *intel = intel_get_screen_private(scrn);
+        struct intel_none_screen        *none_screen;
+	dri_bo                          *bo = intel->front_buffer;
+        int                             ret;
+
+	ret = drm_intel_gem_bo_map_gtt(bo);
+        if (ret)
+                return FALSE;
+
+        if (!fbScreenInit(screen, bo->virtual,
+                          scrn->virtualX, scrn->virtualY,
+                          scrn->xDpi, scrn->yDpi,
+                          scrn->displayWidth, scrn->bitsPerPixel))
+                return FALSE;
+
+	fbPictureInit(screen, NULL, 0);
+
+        if (!dixRegisterPrivateKey(&intel_none_screen_key, PRIVATE_SCREEN, sizeof (struct intel_none_screen)))
+                return FALSE;
+
+        if (!dixRegisterPrivateKey(&intel_none_pixmap_key, PRIVATE_PIXMAP, sizeof (struct intel_none_pixmap)))
+                return FALSE;
+
+        none_screen = intel_none_get_screen(screen);
+
+        none_screen->DestroyPixmap = screen->DestroyPixmap;
+        screen->DestroyPixmap = intel_none_destroy_pixmap;
+
+        return TRUE;
+}
+
+Bool
+intel_none_create_screen_resources(ScreenPtr screen)
+{
+	ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
+	PixmapPtr pixmap;
+	intel_screen_private *intel = intel_get_screen_private(scrn);
+	dri_bo *bo = intel->front_buffer;
+
+	pixmap = screen->GetScreenPixmap(screen);
+
+        if (!intel_none_set_pixmap_bo(pixmap, bo))
+                return FALSE;
+
+	if (!screen->ModifyPixmapHeader(pixmap,
+					scrn->virtualX,
+					scrn->virtualY,
+					-1, -1,
+					intel->front_pitch,
+					NULL))
+		return FALSE;
+
+	scrn->displayWidth = intel->front_pitch / intel->cpp;
+
+	return TRUE;
+}
diff --git a/src/uxa/intel_none.h b/src/uxa/intel_none.h
new file mode 100644
index 0000000..1c20b02
--- /dev/null
+++ b/src/uxa/intel_none.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright © 2014 Keith Packard
+ *
+ * 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.
+ */
+
+#ifndef _INTEL_NONE_H_
+#define _INTEL_NONE_H_
+
+Bool
+intel_none_init(ScreenPtr screen);
+
+Bool
+intel_none_create_screen_resources(ScreenPtr screen);
+
+dri_bo *
+intel_none_get_pixmap_bo(PixmapPtr pixmap);
+
+Bool
+intel_none_set_pixmap_bo(PixmapPtr pixmap, dri_bo *dri_bo);
+
+#endif /* _INTEL_NONE_H_ */
diff --git a/src/uxa/intel_uxa.c b/src/uxa/intel_uxa.c
index e9d905b..358960e 100644
--- a/src/uxa/intel_uxa.c
+++ b/src/uxa/intel_uxa.c
@@ -1272,6 +1272,15 @@ Bool intel_uxa_init(ScreenPtr screen)
 	ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
 	intel_screen_private *intel = intel_get_screen_private(scrn);
 
+	/* Must be first, before anything else installs screen callbacks. */
+	if (!fbScreenInit(screen, NULL,
+			  scrn->virtualX, scrn->virtualY,
+			  scrn->xDpi, scrn->yDpi,
+			  scrn->displayWidth, scrn->bitsPerPixel))
+		return FALSE;
+
+	fbPictureInit(screen, NULL, 0);
+
 	intel_batch_init(scrn);
 
 	if (INTEL_INFO(intel)->gen >= 040 && INTEL_INFO(intel)->gen < 0100)
-- 
2.0.1

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