/* Copyright (c) 2007-2008 Advanced Micro Devices, Inc. * * 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS 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. * * Neither the name of the Advanced Micro Devices, Inc. nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. */ /* TODO: Add rotation Add back in double buffering? */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #include "xf86.h" #include "xf86_OSproc.h" #include "compiler.h" #include "xf86PciInfo.h" #include "xf86Pci.h" #include "xf86fbman.h" #include "regionstr.h" #include "dixstruct.h" #include "geode.h" #include "xf86xv.h" #include #include "fourcc.h" #include "geode_fourcc.h" #include "cim/cim_defs.h" #include "cim/cim_regs.h" #define OFF_DELAY 200 #define FREE_DELAY 60000 #define OFF_TIMER 0x01 #define FREE_TIMER 0x02 #define CLIENT_VIDEO_ON 0x04 #define TIMER_MASK (OFF_TIMER | FREE_TIMER) #define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE) #ifndef ARRAY_SIZE #define ARRAY_SIZE(a) (sizeof((a)) / (sizeof(*(a)))) #endif /* Local function prototypes */ static void LXStopVideo(ScrnInfoPtr pScrni, pointer data, Bool exit); static void LXDisplayVideo(ScrnInfoPtr pScrni, int id, short width, short height, BoxPtr dstBox, short srcW, short srcH, short drawW, short drawH); static void LXResetVideo(ScrnInfoPtr pScrni); static XF86VideoEncodingRec DummyEncoding[1] = { {0, "XV_IMAGE", 1024, 1024, {1, 1}} }; static XF86VideoFormatRec Formats[] = { {8, PseudoColor}, {15, TrueColor}, {16, TrueColor}, {24, TrueColor} }; static XF86AttributeRec Attributes[] = { {XvSettable | XvGettable, 0, (1 << 24) - 1, "XV_COLORKEY"}, {XvSettable | XvGettable, 0, 1, "XV_FILTER"}, {XvSettable | XvGettable, 0, 1, "XV_COLORKEYMODE"} }; static XF86ImageRec Images[] = { XVIMAGE_UYVY, XVIMAGE_YUY2, XVIMAGE_Y2YU, XVIMAGE_YVYU, XVIMAGE_Y800, XVIMAGE_I420, XVIMAGE_YV12, XVIMAGE_RGB565 }; typedef struct { ExaOffscreenArea *vidmem; RegionRec clip; CARD32 filter; CARD32 colorKey; CARD32 colorKeyMode; CARD32 videoStatus; Time offTime; Time freeTime; short pwidth, pheight; } GeodePortPrivRec, *GeodePortPrivPtr; #define GET_PORT_PRIVATE(pScrni) \ (GeodePortPrivRec *)((GEODEPTR(pScrni))->adaptor->pPortPrivates[0].ptr) static void LXCopyFromSys(GeodeRec * pGeode, unsigned char *src, unsigned int dst, int dstPitch, int srcPitch, int h, int w) { gp_declare_blt(0); gp_set_bpp((srcPitch / w) << 3); gp_set_raster_operation(0xCC); gp_set_strides(dstPitch, srcPitch); gp_set_solid_pattern(0); gp_color_bitmap_to_screen_blt(dst, 0, w, h, src, srcPitch); } static void LXSetColorkey(ScrnInfoPtr pScrni, GeodePortPrivRec * pPriv) { int red, green, blue; unsigned long key; switch (pScrni->depth) { case 8: vg_get_display_palette_entry(pPriv->colorKey & 0xFF, &key); red = ((key >> 16) & 0xFF); green = ((key >> 8) & 0xFF); blue = (key & 0xFF); break; case 16: red = (pPriv->colorKey & pScrni->mask.red) >> pScrni->offset.red << (8 - pScrni->weight.red); green = (pPriv->colorKey & pScrni->mask.green) >> pScrni->offset.green << (8 - pScrni->weight.green); blue = (pPriv->colorKey & pScrni->mask.blue) >> pScrni->offset.blue << (8 - pScrni->weight.blue); break; default: /* for > 16 bpp we send in the mask in xf86SetWeight. This * function is providing the offset by 1 more. So we take * this as a special case and subtract 1 for > 16 */ red = (pPriv->colorKey & pScrni->mask.red) >> (pScrni->offset.red - 1) << (8 - pScrni->weight.red); green = (pPriv->colorKey & pScrni->mask.green) >> (pScrni->offset.green - 1) << (8 - pScrni->weight.green); blue = (pPriv->colorKey & pScrni->mask.blue) >> (pScrni->offset.blue - 1) << (8 - pScrni->weight.blue); break; } df_set_video_color_key((blue | (green << 8) | (red << 16)), 0xFFFFFF, (pPriv->colorKeyMode == 0)); REGION_EMPTY(pScrni->pScreen, &pPriv->clip); } /* A structure full of the scratch information that originates in the copy routines, but is needed for the video display - maybe we should figure out a way to attach this to structures? I hate to put it in pGeode since it will increase the size of the structure, and possibly cause us cache issues. */ struct { unsigned int dstOffset; unsigned int dstPitch; unsigned int UVPitch; unsigned int UDstOffset; unsigned int VDstOffset; } videoScratch; /* Copy planar YUV data */ static Bool LXAllocateVidMem(ScrnInfoPtr pScrni, GeodePortPrivRec * pPriv, int size) { if (!pPriv->vidmem || pPriv->vidmem->size < size) { if (pPriv->vidmem) { exaOffscreenFree(pScrni->pScreen, pPriv->vidmem); pPriv->vidmem = NULL; } pPriv->vidmem = exaOffscreenAlloc(pScrni->pScreen, size, 4, TRUE, NULL, NULL); if (pPriv->vidmem == NULL) { ErrorF("Could not allocate memory for the video\n"); return FALSE; } } return TRUE; } static Bool LXCopyPlanar(ScrnInfoPtr pScrni, int id, unsigned char *buf, short x1, short y1, short x2, short y2, int width, int height, pointer data) { GeodeRec *pGeode = GEODEPTR(pScrni); GeodePortPrivRec *pPriv = (GeodePortPrivRec *) data; unsigned int YSrcPitch, YDstPitch; unsigned int UVSrcPitch, UVDstPitch; unsigned int YSrcOffset, YDstOffset; unsigned int USrcOffset, UDstOffset; unsigned int VSrcOffset, VDstOffset; unsigned int size, lines, top, left, pixels; YSrcPitch = (width + 3) & ~3; YDstPitch = (width + 31) & ~31; UVSrcPitch = ((width >> 1) + 3) & ~3; UVDstPitch = ((width >> 1) + 15) & ~15; USrcOffset = YSrcPitch * height; VSrcOffset = USrcOffset + (UVSrcPitch * (height >> 1)); UDstOffset = YDstPitch * height; VDstOffset = UDstOffset + (UVDstPitch * (height >> 1)); size = YDstPitch * height; size += UVDstPitch * height; if (LXAllocateVidMem(pScrni, pPriv, size) == FALSE) { ErrorF("Error allocating an offscreen Planar region.\n"); return FALSE; } /* The top of the source region we want to copy */ top = y1 & ~1; /* The left hand side of the source region, aligned on a word */ left = x1 & ~1; /* Number of bytes to copy, also word aligned */ pixels = ((x2 + 1) & ~1) - left; /* Calculate the source offset */ YSrcOffset = (top * YSrcPitch) + left; USrcOffset += ((top >> 1) * UVSrcPitch) + (left >> 1); VSrcOffset += ((top >> 1) * UVSrcPitch) + (left >> 1); /* Calculate the destination offset */ YDstOffset = (top * YDstPitch) + left; UDstOffset += ((top >> 1) * UVDstPitch) + (left >> 1); VDstOffset += ((top >> 1) * UVDstPitch) + (left >> 1); lines = ((y2 + 1) & ~1) - top; /* Copy Y */ LXCopyFromSys(pGeode, buf + YSrcOffset, pPriv->vidmem->offset + YDstOffset, YDstPitch, YSrcPitch, lines, pixels); /* Copy U + V at the same time */ LXCopyFromSys(pGeode, buf + USrcOffset, pPriv->vidmem->offset + UDstOffset, UVDstPitch, UVSrcPitch, lines, pixels >> 1); videoScratch.dstOffset = pPriv->vidmem->offset + YDstOffset; videoScratch.dstPitch = YDstPitch; videoScratch.UVPitch = UVDstPitch; videoScratch.UDstOffset = pPriv->vidmem->offset + UDstOffset; videoScratch.VDstOffset = pPriv->vidmem->offset + VDstOffset; return TRUE; } static Bool LXCopyPacked(ScrnInfoPtr pScrni, int id, unsigned char *buf, short x1, short y1, short x2, short y2, int width, int height, pointer data) { GeodePortPrivRec *pPriv = (GeodePortPrivRec *) data; GeodeRec *pGeode = GEODEPTR(pScrni); unsigned int dstPitch, srcPitch; unsigned int srcOffset, dstOffset; unsigned int lines, top, left, pixels; dstPitch = ((width << 1) + 3) & ~3; srcPitch = (width << 1); lines = ((dstPitch * height) + pGeode->Pitch - 1) / pGeode->Pitch; if (LXAllocateVidMem(pScrni, pPriv, dstPitch * height) == FALSE) { ErrorF("Error allocating an offscreen Packed region.\n"); return FALSE; } /* The top of the source region we want to copy */ top = y1; /* The left hand side of the source region, aligned on a word */ left = x1 & ~1; /* Number of bytes to copy, also word aligned */ pixels = ((x2 + 1) & ~1) - left; /* Adjust the incoming buffer */ srcOffset = (top * srcPitch) + left; /* Calculate the destination offset */ dstOffset = pPriv->vidmem->offset + (top * dstPitch) + left; /* Make the copy happen */ if (id == FOURCC_Y800) { /* Use the shared (unaccelerated) greyscale copy - you could probably * accelerate it using a 2 pass blit and patterns, but it doesn't really * seem worth it */ GeodeCopyGreyscale(buf + srcOffset, pGeode->FBBase + dstOffset, srcPitch, dstPitch, height, pixels >> 1); } else /* FIXME: should lines be used here instead of height? */ LXCopyFromSys(pGeode, buf + srcOffset, dstOffset, dstPitch, srcPitch, height, pixels); videoScratch.dstOffset = dstOffset; videoScratch.dstPitch = dstPitch; return TRUE; } static void LXDisplayVideo(ScrnInfoPtr pScrni, int id, short width, short height, BoxPtr dstBox, short srcW, short srcH, short drawW, short drawH) { long ystart, xend, yend; unsigned long lines = 0; unsigned long yExtra, uvExtra = 0; DF_VIDEO_POSITION vidPos; DF_VIDEO_SOURCE_PARAMS vSrcParams; int err; memset(&vSrcParams, 0, sizeof(vSrcParams)); gp_wait_until_idle(); switch (id) { case FOURCC_UYVY: vSrcParams.video_format = DF_VIDFMT_UYVY; break; case FOURCC_Y800: case FOURCC_YV12: case FOURCC_I420: vSrcParams.video_format = DF_VIDFMT_Y0Y1Y2Y3; break; case FOURCC_YUY2: vSrcParams.video_format = DF_VIDFMT_YUYV; break; case FOURCC_Y2YU: vSrcParams.video_format = DF_VIDFMT_Y2YU; break; case FOURCC_YVYU: vSrcParams.video_format = DF_VIDFMT_YVYU; break; case FOURCC_RGB565: vSrcParams.video_format = DF_VIDFMT_RGB; break; } vSrcParams.width = width; vSrcParams.height = height; vSrcParams.y_pitch = videoScratch.dstPitch; vSrcParams.uv_pitch = videoScratch.UVPitch; /* Set up scaling */ df_set_video_filter_coefficients(NULL, 1); err = df_set_video_scale(width, height, drawW, drawH, DF_SCALEFLAG_CHANGEX | DF_SCALEFLAG_CHANGEY); if (err != CIM_STATUS_OK) { /* Note the problem, but do nothing for now. */ ErrorF("Video scale factor too large: %dx%d -> %dx%d\n", width, height, drawW, drawH); } /* Figure out clipping */ xend = dstBox->x2; yend = dstBox->y2; if (dstBox->y1 < 0) { if (srcH < drawH) lines = ((-dstBox->y1) * srcH) / drawH; else lines = (-dstBox->y1); ystart = 0; drawH += dstBox->y1; } else { ystart = dstBox->y1; lines = 0; } yExtra = lines * videoScratch.dstPitch; uvExtra = (lines >> 1) * videoScratch.UVPitch; memset(&vidPos, 0, sizeof(vidPos)); vidPos.x = dstBox->x1; vidPos.y = ystart; vidPos.width = xend - dstBox->x1; vidPos.height = yend - ystart; df_set_video_position(&vidPos); vSrcParams.y_offset = videoScratch.dstOffset + yExtra; switch (id) { case FOURCC_Y800: case FOURCC_I420: vSrcParams.u_offset = videoScratch.UDstOffset + uvExtra; vSrcParams.v_offset = videoScratch.VDstOffset + uvExtra; break; case FOURCC_YV12: vSrcParams.v_offset = videoScratch.UDstOffset + uvExtra; vSrcParams.u_offset = videoScratch.VDstOffset + uvExtra; break; default: vSrcParams.u_offset = vSrcParams.v_offset = 0; break; } vSrcParams.flags = DF_SOURCEFLAG_IMPLICITSCALING; df_configure_video_source(&vSrcParams, &vSrcParams); /* Turn on the video palette */ df_set_video_palette(NULL); df_set_video_enable(1, 0); } static int LXPutImage(ScrnInfoPtr pScrni, short srcX, short srcY, short drawX, short drawY, short srcW, short srcH, short drawW, short drawH, int id, unsigned char *buf, short width, short height, Bool sync, RegionPtr clipBoxes, pointer data, DrawablePtr pDraw) { GeodeRec *pGeode = GEODEPTR(pScrni); GeodePortPrivRec *pPriv = (GeodePortPrivRec *) data; INT32 x1, x2, y1, y2; BoxRec dstBox; Bool ret; if (pGeode->rotation != RR_Rotate_0) return Success; if (srcW <= 0 || srcH <= 0) { return Success; } if (drawW <= 0 || drawH <= 0) { return Success; } if (drawW > 16384) drawW = 16384; memset(&videoScratch, 0, sizeof(videoScratch)); x1 = srcX; x2 = srcX + srcW; y1 = srcY; y2 = srcY + srcH; dstBox.x1 = drawX; dstBox.x2 = drawX + drawW; dstBox.y1 = drawY; dstBox.y2 = drawY + drawH; dstBox.x1 -= pScrni->frameX0; dstBox.x2 -= pScrni->frameX0; dstBox.y1 -= pScrni->frameY0; dstBox.y2 -= pScrni->frameY0; if (id == FOURCC_YV12 || id == FOURCC_I420) ret = LXCopyPlanar(pScrni, id, buf, x1, y1, x2, y2, width, height, data); else ret = LXCopyPacked(pScrni, id, buf, x1, y1, x2, y2, width, height, data); if (ret == FALSE) return BadAlloc; if (!RegionsEqual(&pPriv->clip, clipBoxes) || (drawW != pPriv->pwidth || drawH != pPriv->pheight)) { REGION_COPY(pScrni->pScreen, &pPriv->clip, clipBoxes); if (pPriv->colorKeyMode == 0) { xf86XVFillKeyHelper(pScrni->pScreen, pPriv->colorKey, clipBoxes); } LXDisplayVideo(pScrni, id, width, height, &dstBox, srcW, srcH, drawW, drawH); pPriv->pwidth = drawW; pPriv->pheight = drawH; } pPriv->videoStatus = CLIENT_VIDEO_ON; return Success; } static void LXQueryBestSize(ScrnInfoPtr pScrni, Bool motion, short vidW, short vidH, short drawW, short drawH, unsigned int *retW, unsigned int *retH, pointer data) { *retW = drawW > 16384 ? 16384 : drawW; *retH = drawH; } static Atom xvColorKey, xvColorKeyMode, xvFilter; static int LXGetPortAttribute(ScrnInfoPtr pScrni, Atom attribute, INT32 *value, pointer data) { GeodePortPrivRec *pPriv = (GeodePortPrivRec *) data; if (attribute == xvColorKey) *value = pPriv->colorKey; else if (attribute == xvColorKeyMode) *value = pPriv->colorKeyMode; else if (attribute == xvFilter) *value = pPriv->filter; else return BadMatch; return Success; } static int LXSetPortAttribute(ScrnInfoPtr pScrni, Atom attribute, INT32 value, pointer data) { GeodePortPrivRec *pPriv = (GeodePortPrivRec *) data; gp_wait_until_idle(); if (attribute == xvColorKey) { pPriv->colorKey = value; LXSetColorkey(pScrni, pPriv); } else if (attribute == xvColorKeyMode) { pPriv->colorKeyMode = value; LXSetColorkey(pScrni, pPriv); } else if (attribute == xvFilter) { if ((value < 0) || (value > 1)) return BadValue; pPriv->filter = value; } else return BadMatch; return Success; } static void LXStopVideo(ScrnInfoPtr pScrni, pointer data, Bool exit) { GeodePortPrivRec *pPriv = (GeodePortPrivRec *) data; if (pPriv->videoStatus == 0) return; REGION_EMPTY(pScrni->pScreen, &pPriv->clip); gp_wait_until_idle(); if (exit) { if (pPriv->videoStatus & CLIENT_VIDEO_ON) { unsigned int val; df_set_video_enable(0, 0); /* Put the LUT back in bypass */ val = READ_VID32(DF_VID_MISC); WRITE_VID32(DF_VID_MISC, val | DF_GAMMA_BYPASS_BOTH); } if (pPriv->vidmem) { exaOffscreenFree(pScrni->pScreen, pPriv->vidmem); pPriv->vidmem = NULL; } pPriv->videoStatus = 0; /* Eh? */ } else if (pPriv->videoStatus & CLIENT_VIDEO_ON) { pPriv->videoStatus |= OFF_TIMER; pPriv->offTime = currentTime.milliseconds + OFF_DELAY; } } static void LXResetVideo(ScrnInfoPtr pScrni) { GeodeRec *pGeode = GEODEPTR(pScrni); if (!pGeode->NoAccel) { GeodePortPrivRec *pPriv = pGeode->adaptor->pPortPrivates[0].ptr; gp_wait_until_idle(); df_set_video_palette(NULL); LXSetColorkey(pScrni, pPriv); } } static void LXVidBlockHandler(BLOCKHANDLER_ARGS_DECL) { ScrnInfoPtr pScrni = xf86ScreenToScrn(pScreen); GeodeRec *pGeode = GEODEPTR(pScrni); GeodePortPrivRec *pPriv = GET_PORT_PRIVATE(pScrni); pScreen->BlockHandler = pGeode->BlockHandler; (*pScreen->BlockHandler) (BLOCKHANDLER_ARGS); pScreen->BlockHandler = LXVidBlockHandler; if (pPriv->videoStatus & TIMER_MASK) { Time now = currentTime.milliseconds; if (pPriv->videoStatus & OFF_TIMER) { gp_wait_until_idle(); if (pPriv->offTime < now) { unsigned int val; df_set_video_enable(0, 0); pPriv->videoStatus = FREE_TIMER; pPriv->freeTime = now + FREE_DELAY; /* Turn off the video palette */ val = READ_VID32(DF_VID_MISC); WRITE_VID32(DF_VID_MISC, val | DF_GAMMA_BYPASS_BOTH); } } else { if (pPriv->freeTime < now) { if (pPriv->vidmem) { exaOffscreenFree(pScrni->pScreen, pPriv->vidmem); pPriv->vidmem = NULL; } pPriv->videoStatus = 0; } } } } static XF86VideoAdaptorPtr LXSetupImageVideo(ScreenPtr pScreen) { ScrnInfoPtr pScrni = xf86ScreenToScrn(pScreen); GeodeRec *pGeode = GEODEPTR(pScrni); XF86VideoAdaptorPtr adapt; GeodePortPrivRec *pPriv; adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + sizeof(GeodePortPrivRec) + sizeof(DevUnion)); if (adapt == NULL) { ErrorF("Couldn't create the rec\n"); return NULL; } adapt->type = XvWindowMask | XvInputMask | XvImageMask; adapt->flags = VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT; adapt->name = "AMD Geode LX"; adapt->nEncodings = 1; adapt->pEncodings = DummyEncoding; adapt->nFormats = ARRAY_SIZE(Formats); adapt->pFormats = Formats; adapt->nPorts = 1; adapt->pPortPrivates = (DevUnion *) (&adapt[1]); pPriv = (GeodePortPrivRec *) (&adapt->pPortPrivates[1]); adapt->pPortPrivates[0].ptr = (pointer) (pPriv); adapt->pAttributes = Attributes; adapt->nImages = ARRAY_SIZE(Images); adapt->nAttributes = ARRAY_SIZE(Attributes); adapt->pImages = Images; adapt->PutVideo = NULL; adapt->PutStill = NULL; adapt->GetVideo = NULL; adapt->GetStill = NULL; adapt->StopVideo = LXStopVideo; adapt->SetPortAttribute = LXSetPortAttribute; adapt->GetPortAttribute = LXGetPortAttribute; adapt->QueryBestSize = LXQueryBestSize; adapt->PutImage = LXPutImage; /* Use the common function */ adapt->QueryImageAttributes = GeodeQueryImageAttributes; pPriv->vidmem = NULL; pPriv->filter = 0; pPriv->colorKey = 0; pPriv->colorKeyMode = 0; pPriv->videoStatus = 0; pPriv->pwidth = 0; pPriv->pheight = 0; REGION_NULL(pScrn, &pPriv->clip); pGeode->adaptor = adapt; pGeode->BlockHandler = pScreen->BlockHandler; pScreen->BlockHandler = LXVidBlockHandler; xvColorKey = MAKE_ATOM("XV_COLORKEY"); xvColorKeyMode = MAKE_ATOM("XV_COLORKEYMODE"); xvFilter = MAKE_ATOM("XV_FILTER"); LXResetVideo(pScrni); return adapt; } /* Offscreen surface allocation */ struct OffscreenPrivRec { ExaOffscreenArea *vidmem; Bool isOn; }; static int LXDisplaySurface(XF86SurfacePtr surface, short srcX, short srcY, short drawX, short drawY, short srcW, short srcH, short drawW, short drawH, RegionPtr clipBoxes) { struct OffscreenPrivRec *pPriv = (struct OffscreenPrivRec *) surface->devPrivate.ptr; ScrnInfoPtr pScrni = surface->pScrn; GeodePortPrivRec *portPriv = GET_PORT_PRIVATE(pScrni); BoxRec dstBox; dstBox.x1 = drawX; dstBox.x2 = drawX + drawW; dstBox.y1 = drawY; dstBox.y2 = drawY + drawH; if ((drawW <= 0) | (drawH <= 0)) return Success; /* Is this still valid? */ dstBox.x1 -= pScrni->frameX0; dstBox.x2 -= pScrni->frameX0; dstBox.y1 -= pScrni->frameY0; dstBox.y2 -= pScrni->frameY0; xf86XVFillKeyHelper(pScrni->pScreen, portPriv->colorKey, clipBoxes); videoScratch.dstOffset = surface->offsets[0]; videoScratch.dstPitch = surface->pitches[0]; LXDisplayVideo(pScrni, surface->id, surface->width, surface->height, &dstBox, srcW, srcH, drawW, drawH); pPriv->isOn = TRUE; if (portPriv->videoStatus & CLIENT_VIDEO_ON) { REGION_EMPTY(pScrni->pScreen, &portPriv->clip); UpdateCurrentTime(); portPriv->videoStatus = FREE_TIMER; portPriv->freeTime = currentTime.milliseconds + FREE_DELAY; } return Success; } static int LXAllocateSurface(ScrnInfoPtr pScrni, int id, unsigned short w, unsigned short h, XF86SurfacePtr surface) { GeodeRec *pGeode = GEODEPTR(pScrni); int pitch, lines; ExaOffscreenArea *vidmem; struct OffscreenPrivRec *pPriv; if (w > 1024 || h > 1024) return BadAlloc; /* The width needs to be word aligned */ w = (w + 1) & ~1; pitch = ((w << 1) + 15) & ~15; lines = ((pitch * h) + (pGeode->Pitch - 1)) / pGeode->Pitch; /* FIXME: is lines the right parameter to use here, * or should it be height * pitch? */ vidmem = exaOffscreenAlloc(pScrni->pScreen, lines, 4, TRUE, NULL, NULL); if (vidmem == NULL) { ErrorF("Error while allocating an offscreen region.\n"); return BadAlloc; } surface->width = w; surface->height = h; surface->pitches = malloc(sizeof(int)); surface->offsets = malloc(sizeof(int)); pPriv = malloc(sizeof(struct OffscreenPrivRec)); if (pPriv && surface->pitches && surface->offsets) { pPriv->vidmem = vidmem; pPriv->isOn = FALSE; surface->pScrn = pScrni; surface->id = id; surface->pitches[0] = pitch; surface->offsets[0] = vidmem->offset; surface->devPrivate.ptr = (pointer) pPriv; return Success; } if (surface->offsets) free(surface->offsets); if (surface->pitches) free(surface->pitches); if (vidmem) { exaOffscreenFree(pScrni->pScreen, vidmem); vidmem = NULL; } return BadAlloc; } static int LXStopSurface(XF86SurfacePtr surface) { struct OffscreenPrivRec *pPriv = (struct OffscreenPrivRec *) surface->devPrivate.ptr; pPriv->isOn = FALSE; return Success; } static int LXFreeSurface(XF86SurfacePtr surface) { struct OffscreenPrivRec *pPriv = (struct OffscreenPrivRec *) surface->devPrivate.ptr; ScrnInfoPtr pScrni = surface->pScrn; if (pPriv->isOn) LXStopSurface(surface); if (pPriv->vidmem) { exaOffscreenFree(pScrni->pScreen, pPriv->vidmem); pPriv->vidmem = NULL; } free(surface->pitches); free(surface->offsets); free(surface->devPrivate.ptr); return Success; } static int LXGetSurfaceAttribute(ScrnInfoPtr pScrni, Atom attribute, INT32 *value) { return LXGetPortAttribute(pScrni, attribute, value, (pointer) (GET_PORT_PRIVATE(pScrni))); } static int LXSetSurfaceAttribute(ScrnInfoPtr pScrni, Atom attribute, INT32 value) { return LXSetPortAttribute(pScrni, attribute, value, (pointer) (GET_PORT_PRIVATE(pScrni))); } static void LXInitOffscreenImages(ScreenPtr pScrn) { XF86OffscreenImagePtr offscreenImages; /* need to free this someplace */ if (!(offscreenImages = malloc(sizeof(XF86OffscreenImageRec)))) return; offscreenImages[0].image = &Images[0]; offscreenImages[0].flags = VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT; offscreenImages[0].alloc_surface = LXAllocateSurface; offscreenImages[0].free_surface = LXFreeSurface; offscreenImages[0].display = LXDisplaySurface; offscreenImages[0].stop = LXStopSurface; offscreenImages[0].setAttribute = LXSetSurfaceAttribute; offscreenImages[0].getAttribute = LXGetSurfaceAttribute; offscreenImages[0].max_width = 1024; offscreenImages[0].max_height = 1024; offscreenImages[0].num_attributes = ARRAY_SIZE(Attributes); offscreenImages[0].attributes = Attributes; xf86XVRegisterOffscreenImages(pScrn, offscreenImages, 1); } void LXInitVideo(ScreenPtr pScrn) { GeodeRec *pGeode; ScrnInfoPtr pScrni = xf86ScreenToScrn(pScrn); XF86VideoAdaptorPtr *adaptors, *newAdaptors = NULL; XF86VideoAdaptorPtr newAdaptor = NULL; int num_adaptors; pGeode = GEODEPTR(pScrni); if (pGeode->NoAccel) { ErrorF("Cannot run Xv without accelerations!\n"); return; } if (!(newAdaptor = LXSetupImageVideo(pScrn))) { ErrorF("Error while setting up the adaptor.\n"); return; } LXInitOffscreenImages(pScrn); num_adaptors = xf86XVListGenericAdaptors(pScrni, &adaptors); if (!num_adaptors) { num_adaptors = 1; adaptors = &newAdaptor; } else { newAdaptors = malloc((num_adaptors + 1) * sizeof(XF86VideoAdaptorPtr *)); if (newAdaptors) { memcpy(newAdaptors, adaptors, num_adaptors * sizeof(XF86VideoAdaptorPtr)); newAdaptors[num_adaptors] = newAdaptor; adaptors = newAdaptors; num_adaptors++; } else ErrorF("Memory error while setting up the adaptor\n"); } if (num_adaptors) xf86XVScreenInit(pScrn, adaptors, num_adaptors); if (newAdaptors) free(newAdaptors); }