summaryrefslogtreecommitdiff
path: root/src/i810_video.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/i810_video.c')
-rw-r--r--src/i810_video.c1399
1 files changed, 1399 insertions, 0 deletions
diff --git a/src/i810_video.c b/src/i810_video.c
new file mode 100644
index 00000000..9ae60bc5
--- /dev/null
+++ b/src/i810_video.c
@@ -0,0 +1,1399 @@
+/***************************************************************************
+
+Copyright 2000 Intel Corporation. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL INTEL, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER 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.
+
+**************************************************************************/
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_video.c,v 1.22 2002/09/11 00:29:32 dawes Exp $ */
+
+/*
+ * i810_video.c: i810 Xv driver. Based on the mga Xv driver by Mark Vojkovich.
+ *
+ * Authors:
+ * Jonathan Bian <jonathan.bian@intel.com>
+ * Offscreen Images:
+ * Matt Sottek <matthew.j.sottek@intel.com>
+ */
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86Resources.h"
+#include "xf86_ansic.h"
+#include "compiler.h"
+#include "xf86PciInfo.h"
+#include "xf86Pci.h"
+#include "xf86fbman.h"
+#include "regionstr.h"
+
+#include "i810.h"
+#include "xf86xv.h"
+#include "Xv.h"
+#include "xaa.h"
+#include "xaalocal.h"
+#include "dixstruct.h"
+#include "fourcc.h"
+
+#define OFF_DELAY 250 /* milliseconds */
+#define FREE_DELAY 15000
+
+#define OFF_TIMER 0x01
+#define FREE_TIMER 0x02
+#define CLIENT_VIDEO_ON 0x04
+
+#define TIMER_MASK (OFF_TIMER | FREE_TIMER)
+
+static void I810InitOffscreenImages(ScreenPtr);
+
+static XF86VideoAdaptorPtr I810SetupImageVideo(ScreenPtr);
+static void I810StopVideo(ScrnInfoPtr, pointer, Bool);
+static int I810SetPortAttribute(ScrnInfoPtr, Atom, INT32, pointer);
+static int I810GetPortAttribute(ScrnInfoPtr, Atom ,INT32 *, pointer);
+static void I810QueryBestSize(ScrnInfoPtr, Bool,
+ short, short, short, short, unsigned int *, unsigned int *, pointer);
+static int I810PutImage( ScrnInfoPtr,
+ short, short, short, short, short, short, short, short,
+ int, unsigned char*, short, short, Bool, RegionPtr, pointer);
+static int I810QueryImageAttributes(ScrnInfoPtr,
+ int, unsigned short *, unsigned short *, int *, int *);
+
+static void I810BlockHandler(int, pointer, pointer, pointer);
+
+#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
+
+static Atom xvBrightness, xvContrast, xvColorKey;
+
+#define IMAGE_MAX_WIDTH 1440
+#define IMAGE_FAST_WIDTH 720
+#define IMAGE_MAX_HEIGHT 1080
+#define Y_BUF_SIZE (IMAGE_MAX_WIDTH * IMAGE_MAX_HEIGHT)
+
+#define OVERLAY_UPDATE(p) OUTREG(0x30000, p | 0x80000000);
+
+/*
+ * OV0CMD - Overlay Command Register
+ */
+#define VERTICAL_CHROMINANCE_FILTER 0x70000000
+#define VC_SCALING_OFF 0x00000000
+#define VC_LINE_REPLICATION 0x10000000
+#define VC_UP_INTERPOLATION 0x20000000
+#define VC_PIXEL_DROPPING 0x50000000
+#define VC_DOWN_INTERPOLATION 0x60000000
+#define VERTICAL_LUMINANCE_FILTER 0x0E000000
+#define VL_SCALING_OFF 0x00000000
+#define VL_LINE_REPLICATION 0x02000000
+#define VL_UP_INTERPOLATION 0x04000000
+#define VL_PIXEL_DROPPING 0x0A000000
+#define VL_DOWN_INTERPOLATION 0x0C000000
+#define HORIZONTAL_CHROMINANCE_FILTER 0x01C00000
+#define HC_SCALING_OFF 0x00000000
+#define HC_LINE_REPLICATION 0x00400000
+#define HC_UP_INTERPOLATION 0x00800000
+#define HC_PIXEL_DROPPING 0x01400000
+#define HC_DOWN_INTERPOLATION 0x01800000
+#define HORIZONTAL_LUMINANCE_FILTER 0x00380000
+#define HL_SCALING_OFF 0x00000000
+#define HL_LINE_REPLICATION 0x00080000
+#define HL_UP_INTERPOLATION 0x00100000
+#define HL_PIXEL_DROPPING 0x00280000
+#define HL_DOWN_INTERPOLATION 0x00300000
+
+#define Y_ADJUST 0x00010000
+#define OV_BYTE_ORDER 0x0000C000
+#define UV_SWAP 0x00004000
+#define Y_SWAP 0x00008000
+#define Y_AND_UV_SWAP 0x0000C000
+#define SOURCE_FORMAT 0x00003C00
+#define RGB_555 0x00000800
+#define RGB_565 0x00000C00
+#define YUV_422 0x00002000
+#define YUV_411 0x00002400
+#define YUV_420 0x00003000
+#define YUV_410 0x00003800
+#define BUFFER_AND_FIELD 0x00000006
+#define BUFFER0_FIELD0 0x00000000
+#define BUFFER1_FIELD0 0x00000004
+#define OVERLAY_ENABLE 0x00000001
+
+#define UV_VERT_BUF1 0x02
+#define UV_VERT_BUF0 0x04
+
+/*
+ * DOV0STA - Display/Overlay 0 Status Register
+ */
+#define DOV0STA 0x30008
+
+#define MINUV_SCALE 0x1
+
+#define RGB16ToColorKey(c) \
+ (((c & 0xF800) << 8) | ((c & 0x07E0) << 5) | ((c & 0x001F) << 3))
+
+#define RGB15ToColorKey(c) \
+ (((c & 0x7c00) << 9) | ((c & 0x03E0) << 6) | ((c & 0x001F) << 3))
+
+void I810InitVideo(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ XF86VideoAdaptorPtr *adaptors, *newAdaptors = NULL;
+ XF86VideoAdaptorPtr newAdaptor = NULL;
+ int num_adaptors;
+
+ if (pScrn->bitsPerPixel != 8)
+ {
+ newAdaptor = I810SetupImageVideo(pScreen);
+ I810InitOffscreenImages(pScreen);
+ }
+
+ num_adaptors = xf86XVListGenericAdaptors(pScrn, &adaptors);
+
+ if(newAdaptor) {
+ if(!num_adaptors) {
+ num_adaptors = 1;
+ adaptors = &newAdaptor;
+ } else {
+ newAdaptors = /* need to free this someplace */
+ xalloc((num_adaptors + 1) * sizeof(XF86VideoAdaptorPtr*));
+ if(newAdaptors) {
+ memcpy(newAdaptors, adaptors, num_adaptors *
+ sizeof(XF86VideoAdaptorPtr));
+ newAdaptors[num_adaptors] = newAdaptor;
+ adaptors = newAdaptors;
+ num_adaptors++;
+ }
+ }
+ }
+
+ if(num_adaptors)
+ xf86XVScreenInit(pScreen, adaptors, num_adaptors);
+
+ if(newAdaptors)
+ xfree(newAdaptors);
+}
+
+/* *INDENT-OFF* */
+/* client libraries expect an encoding */
+static XF86VideoEncodingRec DummyEncoding[1] =
+{
+ {
+ 0,
+ "XV_IMAGE",
+ IMAGE_MAX_WIDTH, IMAGE_MAX_HEIGHT,
+ {1, 1}
+ }
+};
+
+#define NUM_FORMATS 3
+
+static XF86VideoFormatRec Formats[NUM_FORMATS] =
+{
+ {15, TrueColor}, {16, TrueColor}, {24, TrueColor}
+};
+
+#define NUM_ATTRIBUTES 3
+
+static XF86AttributeRec Attributes[NUM_ATTRIBUTES] =
+{
+ {XvSettable | XvGettable, 0, (1 << 24) - 1, "XV_COLORKEY"},
+ {XvSettable | XvGettable, -128, 127, "XV_BRIGHTNESS"},
+ {XvSettable | XvGettable, 0, 255, "XV_CONTRAST"}
+};
+
+#define NUM_IMAGES 4
+
+static XF86ImageRec Images[NUM_IMAGES] =
+{
+ XVIMAGE_YUY2,
+ XVIMAGE_YV12,
+ XVIMAGE_I420,
+ XVIMAGE_UYVY
+};
+/* *INDENT-ON* */
+
+typedef struct {
+ CARD32 OBUF_0Y;
+ CARD32 OBUF_1Y;
+ CARD32 OBUF_0U;
+ CARD32 OBUF_0V;
+ CARD32 OBUF_1U;
+ CARD32 OBUF_1V;
+ CARD32 OV0STRIDE;
+ CARD32 YRGB_VPH;
+ CARD32 UV_VPH;
+ CARD32 HORZ_PH;
+ CARD32 INIT_PH;
+ CARD32 DWINPOS;
+ CARD32 DWINSZ;
+ CARD32 SWID;
+ CARD32 SWIDQW;
+ CARD32 SHEIGHT;
+ CARD32 YRGBSCALE;
+ CARD32 UVSCALE;
+ CARD32 OV0CLRC0;
+ CARD32 OV0CLRC1;
+ CARD32 DCLRKV;
+ CARD32 DCLRKM;
+ CARD32 SCLRKVH;
+ CARD32 SCLRKVL;
+ CARD32 SCLRKM;
+ CARD32 OV0CONF;
+ CARD32 OV0CMD;
+} I810OverlayRegRec, *I810OverlayRegPtr;
+
+typedef struct {
+ CARD32 YBuf0offset;
+ CARD32 UBuf0offset;
+ CARD32 VBuf0offset;
+
+ CARD32 YBuf1offset;
+ CARD32 UBuf1offset;
+ CARD32 VBuf1offset;
+
+ unsigned char currentBuf;
+
+ int brightness;
+ int contrast;
+
+ RegionRec clip;
+ CARD32 colorKey;
+
+ CARD32 videoStatus;
+ Time offTime;
+ Time freeTime;
+ FBLinearPtr linear;
+} I810PortPrivRec, *I810PortPrivPtr;
+
+#define GET_PORT_PRIVATE(pScrn) \
+ (I810PortPrivPtr)((I810PTR(pScrn))->adaptor->pPortPrivates[0].ptr)
+
+static void I810ResetVideo(ScrnInfoPtr pScrn)
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pPriv = pI810->adaptor->pPortPrivates[0].ptr;
+ I810OverlayRegPtr overlay = (I810OverlayRegPtr) (pI810->FbBase + pI810->OverlayStart);
+
+ /*
+ * Default to maximum image size in YV12
+ */
+
+ overlay->YRGB_VPH = 0;
+ overlay->UV_VPH = 0;
+ overlay->HORZ_PH = 0;
+ overlay->INIT_PH = 0;
+ overlay->DWINPOS = 0;
+ overlay->DWINSZ = (IMAGE_MAX_HEIGHT << 16) | IMAGE_MAX_WIDTH;
+ overlay->SWID = IMAGE_MAX_WIDTH | (IMAGE_MAX_WIDTH << 15);
+ overlay->SWIDQW = (IMAGE_MAX_WIDTH >> 3) | (IMAGE_MAX_WIDTH << 12);
+ overlay->SHEIGHT = IMAGE_MAX_HEIGHT | (IMAGE_MAX_HEIGHT << 15);
+ overlay->YRGBSCALE = 0x80004000; /* scale factor 1 */
+ overlay->UVSCALE = 0x80004000; /* scale factor 1 */
+ overlay->OV0CLRC0 = 0x4000; /* brightness: 0 contrast: 1.0 */
+ overlay->OV0CLRC1 = 0x80; /* saturation: bypass */
+
+ /*
+ * Enable destination color keying
+ */
+ switch(pScrn->depth) {
+ case 16: overlay->DCLRKV = RGB16ToColorKey(pPriv->colorKey);
+ overlay->DCLRKM = 0x80070307;
+ break;
+ case 15: overlay->DCLRKV = RGB15ToColorKey(pPriv->colorKey);
+ overlay->DCLRKM = 0x80070707;
+ break;
+ default: overlay->DCLRKV = pPriv->colorKey;
+ overlay->DCLRKM = 0x80000000;
+ break;
+ }
+
+ overlay->SCLRKVH = 0;
+ overlay->SCLRKVL = 0;
+ overlay->SCLRKM = 0; /* source color key disable */
+ overlay->OV0CONF = 0; /* two 720 pixel line buffers */
+
+ overlay->OV0CMD = VC_UP_INTERPOLATION | HC_UP_INTERPOLATION | Y_ADJUST |
+ YUV_420;
+
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+}
+
+
+static XF86VideoAdaptorPtr
+I810SetupImageVideo(ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ I810Ptr pI810 = I810PTR(pScrn);
+ XF86VideoAdaptorPtr adapt;
+ I810PortPrivPtr pPriv;
+
+ if(!(adapt = xcalloc(1, sizeof(XF86VideoAdaptorRec) +
+ sizeof(I810PortPrivRec) +
+ sizeof(DevUnion))))
+ return NULL;
+
+ adapt->type = XvWindowMask | XvInputMask | XvImageMask;
+ adapt->flags = VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT;
+ adapt->name = "I810 Video Overlay";
+ adapt->nEncodings = 1;
+ adapt->pEncodings = DummyEncoding;
+ adapt->nFormats = NUM_FORMATS;
+ adapt->pFormats = Formats;
+ adapt->nPorts = 1;
+ adapt->pPortPrivates = (DevUnion*)(&adapt[1]);
+
+ pPriv = (I810PortPrivPtr)(&adapt->pPortPrivates[1]);
+
+ adapt->pPortPrivates[0].ptr = (pointer)(pPriv);
+ adapt->pAttributes = Attributes;
+ adapt->nImages = NUM_IMAGES;
+ adapt->nAttributes = NUM_ATTRIBUTES;
+ adapt->pImages = Images;
+ adapt->PutVideo = NULL;
+ adapt->PutStill = NULL;
+ adapt->GetVideo = NULL;
+ adapt->GetStill = NULL;
+ adapt->StopVideo = I810StopVideo;
+ adapt->SetPortAttribute = I810SetPortAttribute;
+ adapt->GetPortAttribute = I810GetPortAttribute;
+ adapt->QueryBestSize = I810QueryBestSize;
+ adapt->PutImage = I810PutImage;
+ adapt->QueryImageAttributes = I810QueryImageAttributes;
+
+ pPriv->colorKey = pI810->colorKey & ((1 << pScrn->depth) - 1);
+ pPriv->videoStatus = 0;
+ pPriv->brightness = 0;
+ pPriv->contrast = 64;
+ pPriv->linear = NULL;
+ pPriv->currentBuf = 0;
+
+ /* gotta uninit this someplace */
+ REGION_INIT(pScreen, &pPriv->clip, NullBox, 0);
+
+ pI810->adaptor = adapt;
+
+ pI810->BlockHandler = pScreen->BlockHandler;
+ pScreen->BlockHandler = I810BlockHandler;
+
+ xvBrightness = MAKE_ATOM("XV_BRIGHTNESS");
+ xvContrast = MAKE_ATOM("XV_CONTRAST");
+ xvColorKey = MAKE_ATOM("XV_COLORKEY");
+
+ I810ResetVideo(pScrn);
+
+ return adapt;
+}
+
+
+static Bool
+RegionsEqual(RegionPtr A, RegionPtr B)
+{
+ int *dataA, *dataB;
+ int num;
+
+ num = REGION_NUM_RECTS(A);
+ if(num != REGION_NUM_RECTS(B))
+ return FALSE;
+
+ if((A->extents.x1 != B->extents.x1) ||
+ (A->extents.x2 != B->extents.x2) ||
+ (A->extents.y1 != B->extents.y1) ||
+ (A->extents.y2 != B->extents.y2))
+ return FALSE;
+
+ dataA = (int*)REGION_RECTS(A);
+ dataB = (int*)REGION_RECTS(B);
+
+ while(num--) {
+ if((dataA[0] != dataB[0]) || (dataA[1] != dataB[1]))
+ return FALSE;
+ dataA += 2;
+ dataB += 2;
+ }
+
+ return TRUE;
+}
+
+
+/* I810ClipVideo -
+
+ Takes the dst box in standard X BoxRec form (top and left
+ edges inclusive, bottom and right exclusive). The new dst
+ box is returned. The source boundaries are given (x1, y1
+ inclusive, x2, y2 exclusive) and returned are the new source
+ boundaries in 16.16 fixed point.
+*/
+
+static void
+I810ClipVideo(
+ BoxPtr dst,
+ INT32 *x1,
+ INT32 *x2,
+ INT32 *y1,
+ INT32 *y2,
+ BoxPtr extents, /* extents of the clip region */
+ INT32 width,
+ INT32 height
+){
+ INT32 vscale, hscale, delta;
+ int diff;
+
+ hscale = ((*x2 - *x1) << 16) / (dst->x2 - dst->x1);
+ vscale = ((*y2 - *y1) << 16) / (dst->y2 - dst->y1);
+
+ *x1 <<= 16; *x2 <<= 16;
+ *y1 <<= 16; *y2 <<= 16;
+
+ diff = extents->x1 - dst->x1;
+ if(diff > 0) {
+ dst->x1 = extents->x1;
+ *x1 += diff * hscale;
+ }
+ diff = dst->x2 - extents->x2;
+ if(diff > 0) {
+ dst->x2 = extents->x2;
+ *x2 -= diff * hscale;
+ }
+ diff = extents->y1 - dst->y1;
+ if(diff > 0) {
+ dst->y1 = extents->y1;
+ *y1 += diff * vscale;
+ }
+ diff = dst->y2 - extents->y2;
+ if(diff > 0) {
+ dst->y2 = extents->y2;
+ *y2 -= diff * vscale;
+ }
+
+ if(*x1 < 0) {
+ diff = (- *x1 + hscale - 1)/ hscale;
+ dst->x1 += diff;
+ *x1 += diff * hscale;
+ }
+ delta = *x2 - (width << 16);
+ if(delta > 0) {
+ diff = (delta + hscale - 1)/ hscale;
+ dst->x2 -= diff;
+ *x2 -= diff * hscale;
+ }
+ if(*y1 < 0) {
+ diff = (- *y1 + vscale - 1)/ vscale;
+ dst->y1 += diff;
+ *y1 += diff * vscale;
+ }
+ delta = *y2 - (height << 16);
+ if(delta > 0) {
+ diff = (delta + vscale - 1)/ vscale;
+ dst->y2 -= diff;
+ *y2 -= diff * vscale;
+ }
+}
+
+static void
+I810StopVideo(ScrnInfoPtr pScrn, pointer data, Bool shutdown)
+{
+ I810PortPrivPtr pPriv = (I810PortPrivPtr)data;
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ I810OverlayRegPtr overlay = (I810OverlayRegPtr) (pI810->FbBase + pI810->OverlayStart);
+
+ REGION_EMPTY(pScrn->pScreen, &pPriv->clip);
+
+ if(shutdown) {
+ if(pPriv->videoStatus & CLIENT_VIDEO_ON) {
+ overlay->OV0CMD &= 0xFFFFFFFE;
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+ }
+ if(pPriv->linear) {
+ xf86FreeOffscreenLinear(pPriv->linear);
+ pPriv->linear = NULL;
+ }
+ pPriv->videoStatus = 0;
+ } else {
+ if(pPriv->videoStatus & CLIENT_VIDEO_ON) {
+ pPriv->videoStatus |= OFF_TIMER;
+ pPriv->offTime = currentTime.milliseconds + OFF_DELAY;
+ }
+ }
+
+}
+
+static int
+I810SetPortAttribute(
+ ScrnInfoPtr pScrn,
+ Atom attribute,
+ INT32 value,
+ pointer data
+){
+ I810PortPrivPtr pPriv = (I810PortPrivPtr)data;
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810OverlayRegPtr overlay = (I810OverlayRegPtr) (pI810->FbBase + pI810->OverlayStart);
+
+ if(attribute == xvBrightness) {
+ if((value < -128) || (value > 127))
+ return BadValue;
+ pPriv->brightness = value;
+ overlay->OV0CLRC0 = (pPriv->contrast << 8) | (pPriv->brightness & 0xff);
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+ } else
+ if(attribute == xvContrast) {
+ if((value < 0) || (value > 255))
+ return BadValue;
+ pPriv->contrast = value;
+ overlay->OV0CLRC0 = (pPriv->contrast << 8) | (pPriv->brightness & 0xff);
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+ } else
+ if(attribute == xvColorKey) {
+ pPriv->colorKey = value;
+ switch(pScrn->depth) {
+ case 16: overlay->DCLRKV = RGB16ToColorKey(pPriv->colorKey);
+ break;
+ case 15: overlay->DCLRKV = RGB15ToColorKey(pPriv->colorKey);
+ break;
+ default: overlay->DCLRKV = pPriv->colorKey;
+ break;
+ }
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+ REGION_EMPTY(pScrn->pScreen, &pPriv->clip);
+ } else return BadMatch;
+
+ return Success;
+}
+
+static int
+I810GetPortAttribute(
+ ScrnInfoPtr pScrn,
+ Atom attribute,
+ INT32 *value,
+ pointer data
+){
+ I810PortPrivPtr pPriv = (I810PortPrivPtr)data;
+
+ if(attribute == xvBrightness) {
+ *value = pPriv->brightness;
+ } else
+ if(attribute == xvContrast) {
+ *value = pPriv->contrast;
+ } else
+ if(attribute == xvColorKey) {
+ *value = pPriv->colorKey;
+ } else return BadMatch;
+
+ return Success;
+}
+
+static void
+I810QueryBestSize(
+ ScrnInfoPtr pScrn,
+ Bool motion,
+ short vid_w, short vid_h,
+ short drw_w, short drw_h,
+ unsigned int *p_w, unsigned int *p_h,
+ pointer data
+){
+ if(vid_w > (drw_w << 1)) drw_w = vid_w >> 1;
+ if(vid_h > (drw_h << 1)) drw_h = vid_h >> 1;
+
+ *p_w = drw_w;
+ *p_h = drw_h;
+}
+
+
+static void
+I810CopyPackedData(
+ ScrnInfoPtr pScrn,
+ unsigned char *buf,
+ int srcPitch,
+ int dstPitch,
+ int top,
+ int left,
+ int h,
+ int w
+ )
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pPriv = pI810->adaptor->pPortPrivates[0].ptr;
+ unsigned char *src, *dst;
+
+ src = buf + (top*srcPitch) + (left<<1);
+
+ if (pPriv->currentBuf == 0)
+ dst = pI810->FbBase + pPriv->YBuf0offset;
+ else
+ dst = pI810->FbBase + pPriv->YBuf1offset;
+
+ w <<= 1;
+ while(h--) {
+ memcpy(dst, src, w);
+ src += srcPitch;
+ dst += dstPitch;
+ }
+}
+
+static void
+I810CopyPlanarData(
+ ScrnInfoPtr pScrn,
+ unsigned char *buf,
+ int srcPitch,
+ int dstPitch, /* of chroma */
+ int srcH,
+ int top,
+ int left,
+ int h,
+ int w,
+ int id
+ )
+{
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pPriv = pI810->adaptor->pPortPrivates[0].ptr;
+ int i;
+ unsigned char *src1, *src2, *src3, *dst1, *dst2, *dst3;
+
+ /* Copy Y data */
+ src1 = buf + (top*srcPitch) + left;
+ if (pPriv->currentBuf == 0)
+ dst1 = pI810->FbBase + pPriv->YBuf0offset;
+ else
+ dst1 = pI810->FbBase + pPriv->YBuf1offset;
+
+ for (i = 0; i < h; i++) {
+ memcpy(dst1, src1, w);
+ src1 += srcPitch;
+ dst1 += dstPitch << 1;
+ }
+
+ /* Copy V data for YV12, or U data for I420 */
+ src2 = buf + (srcH*srcPitch) + ((top*srcPitch)>>2) + (left>>1);
+ if (pPriv->currentBuf == 0) {
+ if (id == FOURCC_I420)
+ dst2 = pI810->FbBase + pPriv->UBuf0offset;
+ else
+ dst2 = pI810->FbBase + pPriv->VBuf0offset;
+ } else {
+ if (id == FOURCC_I420)
+ dst2 = pI810->FbBase + pPriv->UBuf1offset;
+ else
+ dst2 = pI810->FbBase + pPriv->VBuf1offset;
+ }
+
+ for (i = 0; i < h/2; i++) {
+ memcpy(dst2, src2, w/2);
+ src2 += srcPitch>>1;
+ dst2 += dstPitch;
+ }
+
+ /* Copy U data for YV12, or V data for I420 */
+ src3 = buf + (srcH*srcPitch) + ((srcH*srcPitch)>>2) + ((top*srcPitch)>>2) + (left>>1);
+ if (pPriv->currentBuf == 0) {
+ if (id == FOURCC_I420)
+ dst3 = pI810->FbBase + pPriv->VBuf0offset;
+ else
+ dst3 = pI810->FbBase + pPriv->UBuf0offset;
+ } else {
+ if (id == FOURCC_I420)
+ dst3 = pI810->FbBase + pPriv->VBuf1offset;
+ else
+ dst3 = pI810->FbBase + pPriv->UBuf1offset;
+ }
+
+ for (i = 0; i < h/2; i++) {
+ memcpy(dst3, src3, w/2);
+ src3 += srcPitch>>1;
+ dst3 += dstPitch;
+ }
+}
+
+static void
+I810DisplayVideo(
+ ScrnInfoPtr pScrn,
+ int id,
+ short width, short height,
+ int dstPitch, /* of chroma for 4:2:0 */
+ int x1, int y1, int x2, int y2,
+ BoxPtr dstBox,
+ short src_w, short src_h,
+ short drw_w, short drw_h
+){
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pPriv = pI810->adaptor->pPortPrivates[0].ptr;
+ I810OverlayRegPtr overlay = (I810OverlayRegPtr) (pI810->FbBase + pI810->OverlayStart);
+ int xscaleInt, xscaleFract, yscaleInt, yscaleFract;
+ int xscaleIntUV = 0, xscaleFractUV = 0, yscaleIntUV = 0, yscaleFractUV = 0;
+ unsigned int swidth;
+
+ switch(id) {
+ case FOURCC_YV12:
+ case FOURCC_I420:
+ swidth = (width + 7) & ~7;
+ overlay->SWID = (swidth << 15) | swidth;
+ overlay->SWIDQW = (swidth << 12) | (swidth >> 3);
+ break;
+ case FOURCC_UYVY:
+ case FOURCC_YUY2:
+ default:
+ swidth = ((width + 3) & ~3) << 1;
+ overlay->SWID = swidth;
+ overlay->SWIDQW = swidth >> 3;
+ break;
+ }
+
+ /* wide video formats (>720 pixels) are special */
+ if( swidth > IMAGE_FAST_WIDTH ) {
+ overlay->OV0CONF = 1; /* one 1440 pixel line buffer */
+ } else {
+ overlay->OV0CONF = 0; /* two 720 pixel line buffers */
+ }
+
+ overlay->SHEIGHT = height | (height << 15);
+ overlay->DWINPOS = (dstBox->y1 << 16) | dstBox->x1;
+ overlay->DWINSZ = ((dstBox->y2 - dstBox->y1) << 16) |
+ (dstBox->x2 - dstBox->x1);
+
+ /* buffer locations */
+ overlay->OBUF_0Y = pPriv->YBuf0offset;
+ overlay->OBUF_1Y = pPriv->YBuf1offset;
+ overlay->OBUF_0U = pPriv->UBuf0offset;
+ overlay->OBUF_0V = pPriv->VBuf0offset;
+ overlay->OBUF_1U = pPriv->UBuf1offset;
+ overlay->OBUF_1V = pPriv->VBuf1offset;
+
+ /*
+ * Calculate horizontal and vertical scaling factors, default to 1:1
+ */
+ overlay->YRGBSCALE = 0x80004000;
+ overlay->UVSCALE = 0x80004000;
+
+ /*
+ * Initially, YCbCr and Overlay Enable and
+ * vertical chrominance up interpolation and horozontal chrominance
+ * up interpolation
+ */
+ overlay->OV0CMD = VC_UP_INTERPOLATION | HC_UP_INTERPOLATION | Y_ADJUST |
+ OVERLAY_ENABLE;
+
+ if ((drw_w != src_w) || (drw_h != src_h))
+ {
+ xscaleInt = (src_w / drw_w) & 0x3;
+ xscaleFract = (src_w << 12) / drw_w;
+ yscaleInt = (src_h / drw_h) & 0x3;
+ yscaleFract = (src_h << 12) / drw_h;
+
+ overlay->YRGBSCALE = (xscaleInt << 15) |
+ ((xscaleFract & 0xFFF) << 3) |
+ (yscaleInt) |
+ ((yscaleFract & 0xFFF) << 20);
+
+ if (drw_w > src_w)
+ {
+ /* horizontal up-scaling */
+ overlay->OV0CMD &= ~HORIZONTAL_CHROMINANCE_FILTER;
+ overlay->OV0CMD &= ~HORIZONTAL_LUMINANCE_FILTER;
+ overlay->OV0CMD |= (HC_UP_INTERPOLATION | HL_UP_INTERPOLATION);
+ }
+
+ if (drw_h > src_h)
+ {
+ /* vertical up-scaling */
+ overlay->OV0CMD &= ~VERTICAL_CHROMINANCE_FILTER;
+ overlay->OV0CMD &= ~VERTICAL_LUMINANCE_FILTER;
+ overlay->OV0CMD |= (VC_UP_INTERPOLATION | VL_UP_INTERPOLATION);
+ }
+
+ if (drw_w < src_w)
+ {
+ /* horizontal down-scaling */
+ overlay->OV0CMD &= ~HORIZONTAL_CHROMINANCE_FILTER;
+ overlay->OV0CMD &= ~HORIZONTAL_LUMINANCE_FILTER;
+ overlay->OV0CMD |= (HC_DOWN_INTERPOLATION | HL_DOWN_INTERPOLATION);
+ }
+
+ if (drw_h < src_h)
+ {
+ /* vertical down-scaling */
+ overlay->OV0CMD &= ~VERTICAL_CHROMINANCE_FILTER;
+ overlay->OV0CMD &= ~VERTICAL_LUMINANCE_FILTER;
+ overlay->OV0CMD |= (VC_DOWN_INTERPOLATION | VL_DOWN_INTERPOLATION);
+ }
+
+ /* now calculate the UV scaling factor */
+
+ if (xscaleFract)
+ {
+ xscaleFractUV = xscaleFract >> MINUV_SCALE;
+ overlay->OV0CMD &= ~HC_DOWN_INTERPOLATION;
+ overlay->OV0CMD |= HC_UP_INTERPOLATION;
+ }
+
+ if (xscaleInt)
+ {
+ xscaleIntUV = xscaleInt >> MINUV_SCALE;
+ if (xscaleIntUV)
+ {
+ overlay->OV0CMD &= ~HC_UP_INTERPOLATION;
+ }
+ }
+
+ if (yscaleFract)
+ {
+ yscaleFractUV = yscaleFract >> MINUV_SCALE;
+ overlay->OV0CMD &= ~VC_DOWN_INTERPOLATION;
+ overlay->OV0CMD |= VC_UP_INTERPOLATION;
+ }
+
+ if (yscaleInt)
+ {
+ yscaleIntUV = yscaleInt >> MINUV_SCALE;
+ if (yscaleIntUV)
+ {
+ overlay->OV0CMD &= ~VC_UP_INTERPOLATION;
+ overlay->OV0CMD |= VC_DOWN_INTERPOLATION;
+ }
+ }
+
+ overlay->UVSCALE = yscaleIntUV | ((xscaleFractUV & 0xFFF) << 3) |
+ ((yscaleFractUV & 0xFFF) << 20);
+ }
+
+ switch(id) {
+ case FOURCC_YV12:
+ case FOURCC_I420:
+ /* set UV vertical phase to -0.25 */
+ overlay->UV_VPH = 0x30003000;
+ overlay->INIT_PH = UV_VERT_BUF0 | UV_VERT_BUF1;
+ overlay->OV0STRIDE = (dstPitch << 1) | (dstPitch << 16);
+ overlay->OV0CMD &= ~SOURCE_FORMAT;
+ overlay->OV0CMD |= YUV_420;
+ break;
+ case FOURCC_UYVY:
+ case FOURCC_YUY2:
+ default:
+ overlay->UV_VPH = 0;
+ overlay->INIT_PH = 0;
+ overlay->OV0STRIDE = dstPitch;
+ overlay->OV0CMD &= ~SOURCE_FORMAT;
+ overlay->OV0CMD |= YUV_422;
+ overlay->OV0CMD &= ~OV_BYTE_ORDER;
+ if (id == FOURCC_UYVY)
+ overlay->OV0CMD |= Y_SWAP;
+ break;
+ }
+
+ overlay->OV0CMD &= ~BUFFER_AND_FIELD;
+ if (pPriv->currentBuf == 0)
+ overlay->OV0CMD |= BUFFER0_FIELD0;
+ else
+ overlay->OV0CMD |= BUFFER1_FIELD0;
+
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+
+}
+
+static FBLinearPtr
+I810AllocateMemory(
+ ScrnInfoPtr pScrn,
+ FBLinearPtr linear,
+ int size
+){
+ ScreenPtr pScreen;
+ FBLinearPtr new_linear;
+
+ if(linear) {
+ if(linear->size >= size)
+ return linear;
+
+ if(xf86ResizeOffscreenLinear(linear, size))
+ return linear;
+
+ xf86FreeOffscreenLinear(linear);
+ }
+
+ pScreen = screenInfo.screens[pScrn->scrnIndex];
+
+ new_linear = xf86AllocateOffscreenLinear(pScreen, size, 4,
+ NULL, NULL, NULL);
+
+ if(!new_linear) {
+ int max_size;
+
+ xf86QueryLargestOffscreenLinear(pScreen, &max_size, 4,
+ PRIORITY_EXTREME);
+
+ if(max_size < size) return NULL;
+
+ xf86PurgeUnlockedOffscreenAreas(pScreen);
+ new_linear = xf86AllocateOffscreenLinear(pScreen, size, 4,
+ NULL, NULL, NULL);
+ }
+
+ return new_linear;
+}
+
+static int
+I810PutImage(
+ ScrnInfoPtr pScrn,
+ short src_x, short src_y,
+ short drw_x, short drw_y,
+ short src_w, short src_h,
+ short drw_w, short drw_h,
+ int id, unsigned char* buf,
+ short width, short height,
+ Bool sync,
+ RegionPtr clipBoxes, pointer data
+){
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pPriv = (I810PortPrivPtr)data;
+ INT32 x1, x2, y1, y2;
+ int srcPitch, dstPitch;
+ int top, left, npixels, nlines, size, loops;
+ BoxRec dstBox;
+
+
+ /* Clip */
+ x1 = src_x;
+ x2 = src_x + src_w;
+ y1 = src_y;
+ y2 = src_y + src_h;
+
+ dstBox.x1 = drw_x;
+ dstBox.x2 = drw_x + drw_w;
+ dstBox.y1 = drw_y;
+ dstBox.y2 = drw_y + drw_h;
+
+ I810ClipVideo(&dstBox, &x1, &x2, &y1, &y2,
+ REGION_EXTENTS(pScreen, clipBoxes), width, height);
+
+ if((x1 >= x2) || (y1 >= y2))
+ return Success;
+
+ dstBox.x1 -= pScrn->frameX0;
+ dstBox.x2 -= pScrn->frameX0;
+ dstBox.y1 -= pScrn->frameY0;
+ dstBox.y2 -= pScrn->frameY0;
+
+ switch(id) {
+ case FOURCC_YV12:
+ case FOURCC_I420:
+ srcPitch = (width + 3) & ~3;
+ dstPitch = ((width >> 1) + 7) & ~7; /* of chroma */
+ size = dstPitch * height * 3;
+ break;
+ case FOURCC_UYVY:
+ case FOURCC_YUY2:
+ default:
+ srcPitch = (width << 1);
+ dstPitch = (srcPitch + 7) & ~7;
+ size = dstPitch * height;
+ break;
+ }
+
+ if(!(pPriv->linear = I810AllocateMemory(pScrn, pPriv->linear,
+ (pScrn->bitsPerPixel == 16) ? size : (size >> 1))))
+ return BadAlloc;
+
+ /* fixup pointers */
+ pPriv->YBuf0offset = pPriv->linear->offset * pI810->cpp;
+ pPriv->UBuf0offset = pPriv->YBuf0offset + (dstPitch * 2 * height);
+ pPriv->VBuf0offset = pPriv->UBuf0offset + (dstPitch * height >> 1);
+
+ pPriv->YBuf1offset = (pPriv->linear->offset * pI810->cpp) + size;
+ pPriv->UBuf1offset = pPriv->YBuf1offset + (dstPitch * 2 * height);
+ pPriv->VBuf1offset = pPriv->UBuf1offset + (dstPitch * height >> 1);
+
+
+ /* Make sure this buffer isn't in use */
+ loops = 0;
+ while (loops < 1000000) {
+ if(((INREG(DOV0STA)&0x00100000)>>20) == pPriv->currentBuf) {
+ break;
+ }
+ loops++;
+ }
+ if(loops >= 1000000) {
+ pPriv->currentBuf = !pPriv->currentBuf;
+ }
+
+
+ /* buffer swap */
+ if (pPriv->currentBuf == 0)
+ pPriv->currentBuf = 1;
+ else
+ pPriv->currentBuf = 0;
+
+ /* copy data */
+ top = y1 >> 16;
+ left = (x1 >> 16) & ~1;
+ npixels = ((((x2 + 0xffff) >> 16) + 1) & ~1) - left;
+
+ switch(id) {
+ case FOURCC_YV12:
+ case FOURCC_I420:
+ top &= ~1;
+ nlines = ((((y2 + 0xffff) >> 16) + 1) & ~1) - top;
+ I810CopyPlanarData(pScrn, buf, srcPitch, dstPitch, height, top, left,
+ nlines, npixels, id);
+ break;
+ case FOURCC_UYVY:
+ case FOURCC_YUY2:
+ default:
+ nlines = ((y2 + 0xffff) >> 16) - top;
+ I810CopyPackedData(pScrn, buf, srcPitch, dstPitch, top, left, nlines,
+ npixels);
+ break;
+ }
+
+ /* update cliplist */
+ if(!RegionsEqual(&pPriv->clip, clipBoxes)) {
+ REGION_COPY(pScreen, &pPriv->clip, clipBoxes);
+ /* draw these */
+ XAAFillSolidRects(pScrn, pPriv->colorKey, GXcopy, ~0,
+ REGION_NUM_RECTS(clipBoxes),
+ REGION_RECTS(clipBoxes));
+ }
+
+
+ I810DisplayVideo(pScrn, id, width, height, dstPitch,
+ x1, y1, x2, y2, &dstBox, src_w, src_h, drw_w, drw_h);
+
+ pPriv->videoStatus = CLIENT_VIDEO_ON;
+
+ return Success;
+}
+
+
+static int
+I810QueryImageAttributes(
+ ScrnInfoPtr pScrn,
+ int id,
+ unsigned short *w, unsigned short *h,
+ int *pitches, int *offsets
+){
+ int size, tmp;
+
+ if(*w > IMAGE_MAX_WIDTH) *w = IMAGE_MAX_WIDTH;
+ if(*h > IMAGE_MAX_HEIGHT) *h = IMAGE_MAX_HEIGHT;
+
+ *w = (*w + 1) & ~1;
+ if(offsets) offsets[0] = 0;
+
+ switch(id) {
+ /* IA44 is for XvMC only */
+ case FOURCC_IA44:
+ case FOURCC_AI44:
+ if(pitches) pitches[0] = *w;
+ size = *w * *h;
+ break;
+ case FOURCC_YV12:
+ case FOURCC_I420:
+ *h = (*h + 1) & ~1;
+ size = (*w + 3) & ~3;
+ if(pitches) pitches[0] = size;
+ size *= *h;
+ if(offsets) offsets[1] = size;
+ tmp = ((*w >> 1) + 3) & ~3;
+ if(pitches) pitches[1] = pitches[2] = tmp;
+ tmp *= (*h >> 1);
+ size += tmp;
+ if(offsets) offsets[2] = size;
+ size += tmp;
+ break;
+ case FOURCC_UYVY:
+ case FOURCC_YUY2:
+ default:
+ size = *w << 1;
+ if(pitches) pitches[0] = size;
+ size *= *h;
+ break;
+ }
+
+ return size;
+}
+
+static void
+I810BlockHandler (
+ int i,
+ pointer blockData,
+ pointer pTimeout,
+ pointer pReadmask
+){
+ ScreenPtr pScreen = screenInfo.screens[i];
+ ScrnInfoPtr pScrn = xf86Screens[i];
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pPriv = GET_PORT_PRIVATE(pScrn);
+ I810OverlayRegPtr overlay = (I810OverlayRegPtr) (pI810->FbBase + pI810->OverlayStart);
+
+ pScreen->BlockHandler = pI810->BlockHandler;
+
+ (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
+
+ pScreen->BlockHandler = I810BlockHandler;
+
+ if(pPriv->videoStatus & TIMER_MASK) {
+ UpdateCurrentTime();
+ if(pPriv->videoStatus & OFF_TIMER) {
+ if(pPriv->offTime < currentTime.milliseconds) {
+ /* Turn off the overlay */
+ overlay->OV0CMD &= 0xFFFFFFFE;
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+
+ pPriv->videoStatus = FREE_TIMER;
+ pPriv->freeTime = currentTime.milliseconds + FREE_DELAY;
+ }
+ } else { /* FREE_TIMER */
+ if(pPriv->freeTime < currentTime.milliseconds) {
+ if(pPriv->linear) {
+ xf86FreeOffscreenLinear(pPriv->linear);
+ pPriv->linear = NULL;
+ }
+ pPriv->videoStatus = 0;
+ }
+ }
+ }
+}
+
+
+/***************************************************************************
+ * Offscreen Images
+ ***************************************************************************/
+
+typedef struct {
+ FBLinearPtr linear;
+ Bool isOn;
+} OffscreenPrivRec, * OffscreenPrivPtr;
+
+static int
+I810AllocateSurface(
+ ScrnInfoPtr pScrn,
+ int id,
+ unsigned short w,
+ unsigned short h,
+ XF86SurfacePtr surface
+){
+ FBLinearPtr linear;
+ int pitch, fbpitch, size, bpp;
+ OffscreenPrivPtr pPriv;
+ I810Ptr pI810 = I810PTR(pScrn);
+
+ if((w > 1024) || (h > 1024))
+ return BadAlloc;
+
+ w = (w + 1) & ~1;
+ pitch = ((w << 1) + 15) & ~15;
+ bpp = pScrn->bitsPerPixel >> 3;
+ fbpitch = bpp * pScrn->displayWidth;
+ size = ((pitch * h) + bpp - 1) / bpp;
+
+ if(!(linear = I810AllocateMemory(pScrn, NULL, size)))
+ return BadAlloc;
+
+ surface->width = w;
+ surface->height = h;
+
+ if(!(surface->pitches = xalloc(sizeof(int)))) {
+ xf86FreeOffscreenLinear(linear);
+ return BadAlloc;
+ }
+ if(!(surface->offsets = xalloc(sizeof(int)))) {
+ xfree(surface->pitches);
+ xf86FreeOffscreenLinear(linear);
+ return BadAlloc;
+ }
+ if(!(pPriv = xalloc(sizeof(OffscreenPrivRec)))) {
+ xfree(surface->pitches);
+ xfree(surface->offsets);
+ xf86FreeOffscreenLinear(linear);
+ return BadAlloc;
+ }
+
+ pPriv->linear = linear;
+ pPriv->isOn = FALSE;
+
+ surface->pScrn = pScrn;
+ surface->id = id;
+ surface->pitches[0] = pitch;
+ surface->offsets[0] = linear->offset * bpp;
+ surface->devPrivate.ptr = (pointer)pPriv;
+
+ memset(pI810->FbBase + surface->offsets[0],0,size);
+
+ return Success;
+}
+
+static int
+I810StopSurface(
+ XF86SurfacePtr surface
+){
+ OffscreenPrivPtr pPriv = (OffscreenPrivPtr)surface->devPrivate.ptr;
+
+ if(pPriv->isOn) {
+ I810Ptr pI810 = I810PTR(surface->pScrn);
+
+ I810OverlayRegPtr overlay = (I810OverlayRegPtr) (pI810->FbBase + pI810->OverlayStart);
+
+ overlay->OV0CMD &= 0xFFFFFFFE;
+ OVERLAY_UPDATE(pI810->OverlayPhysical);
+
+ pPriv->isOn = FALSE;
+ }
+
+ return Success;
+}
+
+
+static int
+I810FreeSurface(
+ XF86SurfacePtr surface
+){
+ OffscreenPrivPtr pPriv = (OffscreenPrivPtr)surface->devPrivate.ptr;
+
+ if(pPriv->isOn) {
+ I810StopSurface(surface);
+ }
+ xf86FreeOffscreenLinear(pPriv->linear);
+ xfree(surface->pitches);
+ xfree(surface->offsets);
+ xfree(surface->devPrivate.ptr);
+
+ return Success;
+}
+
+static int
+I810GetSurfaceAttribute(
+ ScrnInfoPtr pScrn,
+ Atom attribute,
+ INT32 *value
+){
+ return I810GetPortAttribute(pScrn, attribute, value, 0);
+}
+
+static int
+I810SetSurfaceAttribute(
+ ScrnInfoPtr pScrn,
+ Atom attribute,
+ INT32 value
+){
+ return I810SetPortAttribute(pScrn, attribute, value, 0);
+}
+
+
+static int
+I810DisplaySurface(
+ XF86SurfacePtr surface,
+ short src_x, short src_y,
+ short drw_x, short drw_y,
+ short src_w, short src_h,
+ short drw_w, short drw_h,
+ RegionPtr clipBoxes
+){
+ OffscreenPrivPtr pPriv = (OffscreenPrivPtr)surface->devPrivate.ptr;
+ ScrnInfoPtr pScrn = surface->pScrn;
+ I810Ptr pI810 = I810PTR(pScrn);
+ I810PortPrivPtr pI810Priv = GET_PORT_PRIVATE(pScrn);
+
+ INT32 x1, y1, x2, y2;
+ INT32 loops = 0;
+ BoxRec dstBox;
+
+ x1 = src_x;
+ x2 = src_x + src_w;
+ y1 = src_y;
+ y2 = src_y + src_h;
+
+ dstBox.x1 = drw_x;
+ dstBox.x2 = drw_x + drw_w;
+ dstBox.y1 = drw_y;
+ dstBox.y2 = drw_y + drw_h;
+
+ I810ClipVideo(&dstBox, &x1, &x2, &y1, &y2,
+ REGION_EXTENTS(screenInfo.screens[0], clipBoxes),
+ surface->width, surface->height);
+
+ dstBox.x1 -= pScrn->frameX0;
+ dstBox.x2 -= pScrn->frameX0;
+ dstBox.y1 -= pScrn->frameY0;
+ dstBox.y2 -= pScrn->frameY0;
+
+ /* fixup pointers */
+ pI810Priv->YBuf0offset = surface->offsets[0];
+ pI810Priv->YBuf1offset = pI810Priv->YBuf0offset;
+
+ /* wait for the last rendered buffer to be flipped in */
+ while (((INREG(DOV0STA)&0x00100000)>>20) != pI810Priv->currentBuf) {
+ if(loops == 200000) {
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Overlay Lockup\n");
+ break;
+ }
+ loops++;
+ }
+
+ /* buffer swap */
+ if (pI810Priv->currentBuf == 0)
+ pI810Priv->currentBuf = 1;
+ else
+ pI810Priv->currentBuf = 0;
+
+ I810ResetVideo(pScrn);
+
+ I810DisplayVideo(pScrn, surface->id, surface->width, surface->height,
+ surface->pitches[0], x1, y1, x2, y2, &dstBox,
+ src_w, src_h, drw_w, drw_h);
+
+ XAAFillSolidRects(pScrn, pI810Priv->colorKey, GXcopy, ~0,
+ REGION_NUM_RECTS(clipBoxes),
+ REGION_RECTS(clipBoxes));
+
+ pPriv->isOn = TRUE;
+ /* we've prempted the XvImage stream so set its free timer */
+ if(pI810Priv->videoStatus & CLIENT_VIDEO_ON) {
+ REGION_EMPTY(pScrn->pScreen, & pI810Priv->clip);
+ UpdateCurrentTime();
+ pI810Priv->videoStatus = FREE_TIMER;
+ pI810Priv->freeTime = currentTime.milliseconds + FREE_DELAY;
+ pScrn->pScreen->BlockHandler = I810BlockHandler;
+ }
+
+ return Success;
+}
+
+
+static void
+I810InitOffscreenImages(ScreenPtr pScreen)
+{
+ XF86OffscreenImagePtr offscreenImages;
+
+ /* need to free this someplace */
+ if(!(offscreenImages = xalloc(sizeof(XF86OffscreenImageRec)))) {
+ return;
+ }
+
+ offscreenImages[0].image = &Images[0];
+ offscreenImages[0].flags = VIDEO_OVERLAID_IMAGES |
+ VIDEO_CLIP_TO_VIEWPORT;
+ offscreenImages[0].alloc_surface = I810AllocateSurface;
+ offscreenImages[0].free_surface = I810FreeSurface;
+ offscreenImages[0].display = I810DisplaySurface;
+ offscreenImages[0].stop = I810StopSurface;
+ offscreenImages[0].setAttribute = I810SetSurfaceAttribute;
+ offscreenImages[0].getAttribute = I810GetSurfaceAttribute;
+ offscreenImages[0].max_width = 1024;
+ offscreenImages[0].max_height = 1024;
+ offscreenImages[0].num_attributes = 1;
+ offscreenImages[0].attributes = Attributes;
+
+ xf86XVRegisterOffscreenImages(pScreen, offscreenImages, 1);
+}
+