/* * Copyright 2007 Arthur Huillet * * 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 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifdef __SSE2__ #include #endif #include "xf86xv.h" #include #include "exa.h" #include "damage.h" #include "dixstruct.h" #include "fourcc.h" #include "nv_include.h" #include "nv_dma.h" #include "vl_hwmc.h" #include "hwdefs/nv_m2mf.xml.h" #define IMAGE_MAX_W 2046 #define IMAGE_MAX_H 2046 #define TEX_IMAGE_MAX_W 4096 #define TEX_IMAGE_MAX_H 4096 #define OFF_DELAY 500 /* milliseconds */ #define FREE_DELAY 5000 #define NUM_BLIT_PORTS 16 #define NUM_TEXTURE_PORTS 32 #define NVStopOverlay(X) (((pNv->Architecture == NV_ARCH_04) ? NV04StopOverlay(X) : NV10StopOverlay(X))) /* Value taken by pPriv -> currentHostBuffer when we failed to allocate the two private buffers in TT memory, so that we can catch this case and attempt no other allocation afterwards (performance reasons) */ #define NO_PRIV_HOST_BUFFER_AVAILABLE 9999 /* NVPutImage action flags */ enum { IS_YV12 = 1, IS_YUY2 = 2, CONVERT_TO_YUY2=4, USE_OVERLAY=8, USE_TEXTURE=16, SWAP_UV=32, IS_RGB=64, //I am not sure how long we will support it }; #define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE) Atom xvBrightness, xvContrast, xvColorKey, xvSaturation; Atom xvHue, xvAutopaintColorKey, xvSetDefaults, xvDoubleBuffer; Atom xvITURBT709, xvSyncToVBlank, xvOnCRTCNb; /* client libraries expect an encoding */ static XF86VideoEncodingRec DummyEncoding = { 0, "XV_IMAGE", IMAGE_MAX_W, IMAGE_MAX_H, {1, 1} }; static XF86VideoEncodingRec DummyEncodingTex = { 0, "XV_IMAGE", TEX_IMAGE_MAX_W, TEX_IMAGE_MAX_H, {1, 1} }; static XF86VideoEncodingRec DummyEncodingNV50 = { 0, "XV_IMAGE", 8192, 8192, {1, 1} }; #define NUM_FORMATS_ALL 6 XF86VideoFormatRec NVFormats[NUM_FORMATS_ALL] = { {15, TrueColor}, {16, TrueColor}, {24, TrueColor}, {15, DirectColor}, {16, DirectColor}, {24, DirectColor} }; #define NUM_NV04_OVERLAY_ATTRIBUTES 4 XF86AttributeRec NV04OverlayAttributes[NUM_NV04_OVERLAY_ATTRIBUTES] = { {XvSettable | XvGettable, -512, 511, "XV_BRIGHTNESS"}, {XvSettable | XvGettable, 0, (1 << 24) - 1, "XV_COLORKEY"}, {XvSettable | XvGettable, 0, 1, "XV_AUTOPAINT_COLORKEY"}, {XvSettable , 0, 0, "XV_SET_DEFAULTS"}, }; #define NUM_NV10_OVERLAY_ATTRIBUTES 10 XF86AttributeRec NV10OverlayAttributes[NUM_NV10_OVERLAY_ATTRIBUTES] = { {XvSettable | XvGettable, 0, 1, "XV_DOUBLE_BUFFER"}, {XvSettable | XvGettable, 0, (1 << 24) - 1, "XV_COLORKEY"}, {XvSettable | XvGettable, 0, 1, "XV_AUTOPAINT_COLORKEY"}, {XvSettable , 0, 0, "XV_SET_DEFAULTS"}, {XvSettable | XvGettable, -512, 511, "XV_BRIGHTNESS"}, {XvSettable | XvGettable, 0, 8191, "XV_CONTRAST"}, {XvSettable | XvGettable, 0, 8191, "XV_SATURATION"}, {XvSettable | XvGettable, 0, 360, "XV_HUE"}, {XvSettable | XvGettable, 0, 1, "XV_ITURBT_709"}, {XvSettable | XvGettable, 0, 1, "XV_ON_CRTC_NB"}, }; #define NUM_BLIT_ATTRIBUTES 2 XF86AttributeRec NVBlitAttributes[NUM_BLIT_ATTRIBUTES] = { {XvSettable , 0, 0, "XV_SET_DEFAULTS"}, {XvSettable | XvGettable, 0, 1, "XV_SYNC_TO_VBLANK"} }; #define NUM_TEXTURED_ATTRIBUTES 2 XF86AttributeRec NVTexturedAttributes[NUM_TEXTURED_ATTRIBUTES] = { {XvSettable , 0, 0, "XV_SET_DEFAULTS"}, {XvSettable | XvGettable, 0, 1, "XV_SYNC_TO_VBLANK"} }; #define NUM_TEXTURED_ATTRIBUTES_NV50 7 XF86AttributeRec NVTexturedAttributesNV50[NUM_TEXTURED_ATTRIBUTES_NV50] = { { XvSettable , 0, 0, "XV_SET_DEFAULTS" }, { XvSettable | XvGettable, 0, 1, "XV_SYNC_TO_VBLANK" }, { XvSettable | XvGettable, -1000, 1000, "XV_BRIGHTNESS" }, { XvSettable | XvGettable, -1000, 1000, "XV_CONTRAST" }, { XvSettable | XvGettable, -1000, 1000, "XV_SATURATION" }, { XvSettable | XvGettable, -1000, 1000, "XV_HUE" }, { XvSettable | XvGettable, 0, 1, "XV_ITURBT_709" } }; #define NUM_IMAGES_YUV 4 #define NUM_IMAGES_ALL 5 #define FOURCC_RGB 0x0000003 #define XVIMAGE_RGB \ { \ FOURCC_RGB, \ XvRGB, \ LSBFirst, \ { 0x03, 0x00, 0x00, 0x00, \ 0x00,0x00,0x00,0x10,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71}, \ 32, \ XvPacked, \ 1, \ 24, 0x00ff0000, 0x0000ff00, 0x000000ff, \ 0, 0, 0, \ 0, 0, 0, \ 0, 0, 0, \ {'B','G','R','X',\ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, \ XvTopToBottom \ } static XF86ImageRec NVImages[NUM_IMAGES_ALL] = { XVIMAGE_YUY2, XVIMAGE_YV12, XVIMAGE_UYVY, XVIMAGE_I420, XVIMAGE_RGB }; static void nouveau_box_intersect(BoxPtr dest, BoxPtr a, BoxPtr b) { dest->x1 = a->x1 > b->x1 ? a->x1 : b->x1; dest->x2 = a->x2 < b->x2 ? a->x2 : b->x2; dest->y1 = a->y1 > b->y1 ? a->y1 : b->y1; dest->y2 = a->y2 < b->y2 ? a->y2 : b->y2; if (dest->x1 >= dest->x2 || dest->y1 >= dest->y2) dest->x1 = dest->x2 = dest->y1 = dest->y2 = 0; } static void nouveau_crtc_box(xf86CrtcPtr crtc, BoxPtr crtc_box) { if (crtc->enabled) { crtc_box->x1 = crtc->x; crtc_box->x2 = crtc->x + xf86ModeWidth(&crtc->mode, crtc->rotation); crtc_box->y1 = crtc->y; crtc_box->y2 = crtc->y + xf86ModeHeight(&crtc->mode, crtc->rotation); } else crtc_box->x1 = crtc_box->x2 = crtc_box->y1 = crtc_box->y2 = 0; } static int nouveau_box_area(BoxPtr box) { return (int) (box->x2 - box->x1) * (int) (box->y2 - box->y1); } xf86CrtcPtr nouveau_pick_best_crtc(ScrnInfoPtr pScrn, Bool consider_disabled, int x, int y, int w, int h) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); int coverage, best_coverage, c; BoxRec box, crtc_box, cover_box; RROutputPtr primary_output = NULL; xf86CrtcPtr best_crtc = NULL, primary_crtc = NULL; if (!pScrn->vtSema) return NULL; box.x1 = x; box.x2 = x + w; box.y1 = y; box.y2 = y + h; best_coverage = 0; /* Prefer the CRTC of the primary output */ #ifdef HAS_DIXREGISTERPRIVATEKEY if (dixPrivateKeyRegistered(rrPrivKey)) #endif { primary_output = RRFirstOutput(pScrn->pScreen); } if (primary_output && primary_output->crtc) primary_crtc = primary_output->crtc->devPrivate; /* first consider only enabled CRTCs */ for (c = 0; c < xf86_config->num_crtc; c++) { xf86CrtcPtr crtc = xf86_config->crtc[c]; if (!crtc->enabled) continue; nouveau_crtc_box(crtc, &crtc_box); nouveau_box_intersect(&cover_box, &crtc_box, &box); coverage = nouveau_box_area(&cover_box); if (coverage > best_coverage || (coverage == best_coverage && crtc == primary_crtc)) { best_crtc = crtc; best_coverage = coverage; } } if (best_crtc || !consider_disabled) return best_crtc; /* if we found nothing, repeat the search including disabled CRTCs */ for (c = 0; c < xf86_config->num_crtc; c++) { xf86CrtcPtr crtc = xf86_config->crtc[c]; nouveau_crtc_box(crtc, &crtc_box); nouveau_box_intersect(&cover_box, &crtc_box, &box); coverage = nouveau_box_area(&cover_box); if (coverage > best_coverage || (coverage == best_coverage && crtc == primary_crtc)) { best_crtc = crtc; best_coverage = coverage; } } return best_crtc; } unsigned int nv_window_belongs_to_crtc(ScrnInfoPtr pScrn, int x, int y, int w, int h) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); unsigned int mask = 0; int i; for (i = 0; i < xf86_config->num_crtc; i++) { xf86CrtcPtr crtc = xf86_config->crtc[i]; if (!crtc->enabled) continue; if ((x < (crtc->x + crtc->mode.HDisplay)) && (y < (crtc->y + crtc->mode.VDisplay)) && ((x + w) > crtc->x) && ((y + h) > crtc->y)) mask |= 1 << i; } return mask; } /** * NVSetPortDefaults * set attributes of port "pPriv" to compiled-in (except for colorKey) defaults * this function does not care about the kind of adapter the port is for * * @param pScrn screen to get the default colorKey from * @param pPriv port to reset to defaults */ void NVSetPortDefaults (ScrnInfoPtr pScrn, NVPortPrivPtr pPriv) { NVPtr pNv = NVPTR(pScrn); pPriv->brightness = 0; pPriv->contrast = 4096; pPriv->saturation = 4096; pPriv->hue = 0; pPriv->colorKey = pNv->videoKey; pPriv->autopaintColorKey = TRUE; pPriv->doubleBuffer = pNv->Architecture != NV_ARCH_04; pPriv->iturbt_709 = FALSE; pPriv->currentHostBuffer = 0; } static int nouveau_xv_bo_realloc(ScrnInfoPtr pScrn, unsigned flags, unsigned size, struct nouveau_bo **pbo) { union nouveau_bo_config config = {}; NVPtr pNv = NVPTR(pScrn); if (*pbo) { if ((*pbo)->size >= size) return 0; nouveau_bo_ref(NULL, pbo); } if (flags & NOUVEAU_BO_VRAM) { if (pNv->Architecture == NV_TESLA) config.nv50.memtype = 0x70; else if (pNv->Architecture >= NV_FERMI) config.nvc0.memtype = 0xfe; } flags |= NOUVEAU_BO_MAP; return nouveau_bo_new(pNv->dev, flags, 0, size, &config, pbo); } /** * NVFreePortMemory * frees memory held by a given port * * @param pScrn screen whose port wants to free memory * @param pPriv port to free memory of */ static void NVFreePortMemory(ScrnInfoPtr pScrn, NVPortPrivPtr pPriv) { nouveau_bo_ref(NULL, &pPriv->video_mem); nouveau_bo_ref(NULL, &pPriv->TT_mem_chunk[0]); nouveau_bo_ref(NULL, &pPriv->TT_mem_chunk[1]); } /** * NVFreeOverlayMemory * frees memory held by the overlay port * * @param pScrn screen whose overlay port wants to free memory */ static void NVFreeOverlayMemory(ScrnInfoPtr pScrn) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(pNv); NVFreePortMemory(pScrn, pPriv); #if NVOVL_SUPPORT /* "power cycle" the overlay */ nvWriteMC(pNv, NV_PMC_ENABLE, (nvReadMC(pNv, NV_PMC_ENABLE) & 0xEFFFFFFF)); nvWriteMC(pNv, NV_PMC_ENABLE, (nvReadMC(pNv, NV_PMC_ENABLE) | 0x10000000)); #endif } /** * NVFreeBlitMemory * frees memory held by the blit port * * @param pScrn screen whose blit port wants to free memory */ static void NVFreeBlitMemory(ScrnInfoPtr pScrn) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pPriv = GET_BLIT_PRIVATE(pNv); NVFreePortMemory(pScrn, pPriv); } /** * NVVideoTimerCallback * callback function which perform cleanup tasks (stop overlay, free memory). * within the driver * purpose and use is unknown */ void NVVideoTimerCallback(ScrnInfoPtr pScrn, Time currentTime) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pOverPriv = NULL; NVPortPrivPtr pBlitPriv = NULL; Bool needCallback = FALSE; if (!pScrn->vtSema) return; if (pNv->overlayAdaptor) { pOverPriv = GET_OVERLAY_PRIVATE(pNv); if (!pOverPriv->videoStatus) pOverPriv = NULL; } if (pNv->blitAdaptor) { pBlitPriv = GET_BLIT_PRIVATE(pNv); if (!pBlitPriv->videoStatus) pBlitPriv = NULL; } if (pOverPriv) { if (pOverPriv->videoTime < currentTime) { if (pOverPriv->videoStatus & OFF_TIMER) { NVStopOverlay(pScrn); pOverPriv->videoStatus = FREE_TIMER; pOverPriv->videoTime = currentTime + FREE_DELAY; needCallback = TRUE; } else if (pOverPriv->videoStatus & FREE_TIMER) { NVFreeOverlayMemory(pScrn); pOverPriv->videoStatus = 0; } } else { needCallback = TRUE; } } if (pBlitPriv) { if (pBlitPriv->videoTime < currentTime) { NVFreeBlitMemory(pScrn); pBlitPriv->videoStatus = 0; } else { needCallback = TRUE; } } pNv->VideoTimerCallback = needCallback ? NVVideoTimerCallback : NULL; } #ifndef ExaOffscreenMarkUsed extern void ExaOffscreenMarkUsed(PixmapPtr); #endif /* * StopVideo */ static void NVStopOverlayVideo(ScrnInfoPtr pScrn, pointer data, Bool Exit) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pPriv = (NVPortPrivPtr)data; if (pPriv->grabbedByV4L) return; REGION_EMPTY(pScrn->pScreen, &pPriv->clip); if(Exit) { if (pPriv->videoStatus & CLIENT_VIDEO_ON) NVStopOverlay(pScrn); NVFreeOverlayMemory(pScrn); pPriv->videoStatus = 0; } else { if (pPriv->videoStatus & CLIENT_VIDEO_ON) { pPriv->videoStatus = OFF_TIMER | CLIENT_VIDEO_ON; pPriv->videoTime = currentTime.milliseconds + OFF_DELAY; pNv->VideoTimerCallback = NVVideoTimerCallback; } } } /** * QueryBestSize * used by client applications to ask the driver: * how would you actually scale a video of dimensions * vid_w, vid_h, if i wanted you to scale it to dimensions * drw_w, drw_h? * function stores actual scaling size in pointers p_w, p_h. * * * @param pScrn unused * @param motion unused * @param vid_w width of source video * @param vid_h height of source video * @param drw_w desired scaled width as requested by client * @param drw_h desired scaled height as requested by client * @param p_w actual scaled width as the driver is capable of * @param p_h actual scaled height as the driver is capable of * @param data unused */ static void NVQueryBestSize(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 << 3)) drw_w = vid_w >> 3; if(vid_h > (drw_h << 3)) drw_h = vid_h >> 3; *p_w = drw_w; *p_h = drw_h; } /** * NVCopyData420 * used to convert YV12 to YUY2 for the blitter and NV04 overlay. * The U and V samples generated are linearly interpolated on the vertical * axis for better quality * * @param src1 source buffer of luma * @param src2 source buffer of chroma1 * @param src3 source buffer of chroma2 * @param dst1 destination buffer * @param srcPitch pitch of src1 * @param srcPitch2 pitch of src2, src3 * @param dstPitch pitch of dst1 * @param h number of lines to copy * @param w length of lines to copy */ static inline void NVCopyData420(unsigned char *src1, unsigned char *src2, unsigned char *src3, unsigned char *dst1, int srcPitch, int srcPitch2, int dstPitch, int h, int w) { CARD32 *dst; CARD8 *s1, *s2, *s3; int i, j; #define su(X) (((j & 1) && j < (h-1)) ? ((unsigned)((signed int)s2[X] + \ (signed int)(s2 + srcPitch2)[X]) / 2) : (s2[X])) #define sv(X) (((j & 1) && j < (h-1)) ? ((unsigned)((signed int)s3[X] + \ (signed int)(s3 + srcPitch2)[X]) / 2) : (s3[X])) w >>= 1; for (j = 0; j < h; j++) { dst = (CARD32*)dst1; s1 = src1; s2 = src2; s3 = src3; i = w; while (i > 4) { #if X_BYTE_ORDER == X_BIG_ENDIAN dst[0] = (s1[0] << 24) | (s1[1] << 8) | (sv(0) << 16) | su(0); dst[1] = (s1[2] << 24) | (s1[3] << 8) | (sv(1) << 16) | su(1); dst[2] = (s1[4] << 24) | (s1[5] << 8) | (sv(2) << 16) | su(2); dst[3] = (s1[6] << 24) | (s1[7] << 8) | (sv(3) << 16) | su(3); #else dst[0] = s1[0] | (s1[1] << 16) | (sv(0) << 8) | (su(0) << 24); dst[1] = s1[2] | (s1[3] << 16) | (sv(1) << 8) | (su(1) << 24); dst[2] = s1[4] | (s1[5] << 16) | (sv(2) << 8) | (su(2) << 24); dst[3] = s1[6] | (s1[7] << 16) | (sv(3) << 8) | (su(3) << 24); #endif dst += 4; s2 += 4; s3 += 4; s1 += 8; i -= 4; } while (i--) { #if X_BYTE_ORDER == X_BIG_ENDIAN dst[0] = (s1[0] << 24) | (s1[1] << 8) | (sv(0) << 16) | su(0); #else dst[0] = s1[0] | (s1[1] << 16) | (sv(0) << 8) | (su(0) << 24); #endif dst++; s2++; s3++; s1 += 2; } dst1 += dstPitch; src1 += srcPitch; if (j & 1) { src2 += srcPitch2; src3 += srcPitch2; } } } /** * NVCopyNV12ColorPlanes * Used to convert YV12 color planes to NV12 (interleaved UV) for the overlay * * @param src1 source buffer of chroma1 * @param dst1 destination buffer * @param h number of lines to copy * @param w length of lines to copy * @param id source pixel format (YV12 or I420) */ static inline void NVCopyNV12ColorPlanes(unsigned char *src1, unsigned char *src2, unsigned char *dst, int dstPitch, int srcPitch2, int h, int w) { int i, j, l, e; w >>= 1; h >>= 1; #ifdef __SSE2__ l = w >> 3; e = w & 7; #else l = w >> 1; e = w & 1; #endif for (j = 0; j < h; j++) { unsigned char *us = src1; unsigned char *vs = src2; unsigned int *vuvud = (unsigned int *) dst; unsigned short *vud; for (i = 0; i < l; i++) { #ifdef __SSE2__ _mm_storeu_si128( (void*)vuvud, _mm_unpacklo_epi8( _mm_loadl_epi64((void*)vs), _mm_loadl_epi64((void*)us))); vuvud+=4; us+=8; vs+=8; #else /* __SSE2__ */ # if X_BYTE_ORDER == X_BIG_ENDIAN *vuvud++ = (vs[0]<<24) | (us[0]<<16) | (vs[1]<<8) | us[1]; # else *vuvud++ = vs[0] | (us[0]<<8) | (vs[1]<<16) | (us[1]<<24); # endif us+=2; vs+=2; #endif /* __SSE2__ */ } vud = (unsigned short *)vuvud; for (i = 0; i < e; i++) { #if X_BYTE_ORDER == X_BIG_ENDIAN vud[i] = us[i] | (vs[i]<<8); #else vud[i] = vs[i] | (us[i]<<8); #endif } dst += dstPitch; src1 += srcPitch2; src2 += srcPitch2; } } static int NV_set_dimensions(ScrnInfoPtr pScrn, int action_flags, INT32 *xa, INT32 *xb, INT32 *ya, INT32 *yb, short *src_x, short *src_y, short *src_w, short *src_h, short *drw_x, short *drw_y, short *drw_w, short *drw_h, int *left, int *top, int *right, int *bottom, BoxRec *dstBox, int *npixels, int *nlines, RegionPtr clipBoxes, short width, short height) { NVPtr pNv = NVPTR(pScrn); if (action_flags & USE_OVERLAY) { switch (pNv->Architecture) { case NV_ARCH_04: /* NV0x overlay can't scale down. at all. */ if (*drw_w < *src_w) *drw_w = *src_w; if (*drw_h < *src_h) *drw_h = *src_h; break; case NV_ARCH_30: /* According to DirectFB, NV3x can't scale down by * a ratio > 2 */ if (*drw_w < (*src_w) >> 1) *drw_w = *src_w; if (*drw_h < (*src_h) >> 1) *drw_h = *src_h; break; default: /*NV10, NV20*/ /* NV1x overlay can't scale down by a ratio > 8 */ if (*drw_w < (*src_w) >> 3) *drw_w = *src_w >> 3; if (*drw_h < (*src_h >> 3)) *drw_h = *src_h >> 3; } } /* Clip */ *xa = *src_x; *xb = *src_x + *src_w; *ya = *src_y; *yb = *src_y + *src_h; dstBox->x1 = *drw_x; dstBox->x2 = *drw_x + *drw_w; dstBox->y1 = *drw_y; dstBox->y2 = *drw_y + *drw_h; /* In randr 1.2 mode VIDEO_CLIP_TO_VIEWPORT is broken (hence it is not * set in the overlay adapter flags) since pScrn->frame{X,Y}1 do not get * updated. Hence manual clipping against the CRTC dimensions */ if (action_flags & USE_OVERLAY) { NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(pNv); unsigned id = pPriv->overlayCRTC; xf86CrtcPtr crtc = XF86_CRTC_CONFIG_PTR(pScrn)->crtc[id]; RegionRec VPReg; BoxRec VPBox; VPBox.x1 = crtc->x; VPBox.y1 = crtc->y; VPBox.x2 = crtc->x + crtc->mode.HDisplay; VPBox.y2 = crtc->y + crtc->mode.VDisplay; REGION_INIT(pScreen, &VPReg, &VPBox, 1); REGION_INTERSECT(pScreen, clipBoxes, clipBoxes, &VPReg); REGION_UNINIT(pScreen, &VPReg); } if (!xf86XVClipVideoHelper(dstBox, xa, xb, ya, yb, clipBoxes, width, height)) return -1; if (action_flags & USE_OVERLAY) { xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(pNv); dstBox->x1 -= xf86_config->crtc[pPriv->overlayCRTC]->x; dstBox->x2 -= xf86_config->crtc[pPriv->overlayCRTC]->x; dstBox->y1 -= xf86_config->crtc[pPriv->overlayCRTC]->y; dstBox->y2 -= xf86_config->crtc[pPriv->overlayCRTC]->y; } /* Convert fixed point to integer, as xf86XVClipVideoHelper probably * turns its parameter into fixed point values */ *left = (*xa) >> 16; if (*left < 0) *left = 0; *top = (*ya) >> 16; if (*top < 0) *top = 0; *right = (*xb) >> 16; if (*right > width) *right = width; *bottom = (*yb) >> 16; if (*bottom > height) *bottom = height; if (action_flags & IS_YV12) { /* even "left", even "top", even number of pixels per line * and even number of lines */ *left &= ~1; *npixels = ((*right + 1) & ~1) - *left; *top &= ~1; *nlines = ((*bottom + 1) & ~1) - *top; } else if (action_flags & IS_YUY2) { /* even "left" */ *left &= ~1; /* even number of pixels per line */ *npixels = ((*right + 1) & ~1) - *left; *nlines = *bottom - *top; /* 16bpp */ *left <<= 1; } else if (action_flags & IS_RGB) { *npixels = *right - *left; *nlines = *bottom - *top; /* 32bpp */ *left <<= 2; } return 0; } static int NV_calculate_pitches_and_mem_size(NVPtr pNv, int action_flags, int *srcPitch, int *srcPitch2, int *dstPitch, int *s2offset, int *s3offset, int *uv_offset, int *newFBSize, int *newTTSize, int *line_len, int npixels, int nlines, int width, int height) { int tmp; if (pNv->Architecture >= NV_TESLA) { npixels = (npixels + 7) & ~7; nlines = (nlines + 7) & ~7; } if (action_flags & IS_YV12) { *srcPitch = (width + 3) & ~3; /* of luma */ *s2offset = *srcPitch * height; *srcPitch2 = ((width >> 1) + 3) & ~3; /*of chroma*/ *s3offset = (*srcPitch2 * (height >> 1)) + *s2offset; *dstPitch = (npixels + 63) & ~63; /*luma and chroma pitch*/ *line_len = npixels; *uv_offset = nlines * *dstPitch; *newFBSize = *uv_offset + (nlines >> 1) * *dstPitch; *newTTSize = *uv_offset + (nlines >> 1) * *dstPitch; } else if (action_flags & IS_YUY2) { *srcPitch = width << 1; /* one luma, one chroma per pixel */ *dstPitch = ((npixels << 1) + 63) & ~63; *line_len = npixels << 1; *newFBSize = nlines * *dstPitch; *newTTSize = nlines * *line_len; } else if (action_flags & IS_RGB) { /* one R, one G, one B, one X per pixel */ *srcPitch = width << 2; *dstPitch = ((npixels << 2) + 63) & ~63; *line_len = npixels << 2; *newFBSize = nlines * *dstPitch; *newTTSize = nlines * *dstPitch; } if (action_flags & CONVERT_TO_YUY2) { *dstPitch = ((npixels << 1) + 63) & ~63; *line_len = npixels << 1; *newFBSize = nlines * *dstPitch; *newTTSize = nlines * *line_len; *uv_offset = 0; } if (action_flags & SWAP_UV) { /* I420 swaps U and V */ tmp = *s2offset; *s2offset = *s3offset; *s3offset = tmp; } /* Overlay double buffering... */ if (action_flags & USE_OVERLAY) (*newFBSize) <<= 1; return 0; } /** * NV_set_action_flags * This function computes the action flags from the input image, * that is, it decides what NVPutImage and its helpers must do. * This eases readability by avoiding lots of switch-case statements in the * core NVPutImage */ static void NV_set_action_flags(ScrnInfoPtr pScrn, DrawablePtr pDraw, NVPortPrivPtr pPriv, int id, short drw_x, short drw_y, short drw_w, short drw_h, int *action_flags) { NVPtr pNv = NVPTR(pScrn); #define USING_OVERLAY (*action_flags & USE_OVERLAY) #define USING_TEXTURE (*action_flags & USE_TEXTURE) #define USING_BLITTER ((!(*action_flags & USE_OVERLAY)) && \ (!(*action_flags & USE_TEXTURE))) *action_flags = 0; /* Pixel format-related bits */ if (id == FOURCC_YUY2 || id == FOURCC_UYVY) *action_flags |= IS_YUY2; if (id == FOURCC_YV12 || id == FOURCC_I420) *action_flags |= IS_YV12; if (id == FOURCC_RGB) /*How long will we support it?*/ *action_flags |= IS_RGB; if (id == FOURCC_I420) /* I420 is YV12 with swapped UV */ *action_flags |= SWAP_UV; /* Desired adapter */ if (!pPriv->blitter && !pPriv->texture) *action_flags |= USE_OVERLAY; if (!pPriv->blitter && pPriv->texture) *action_flags |= USE_TEXTURE; /* Adapter fallbacks (when the desired one can't be used)*/ #ifdef COMPOSITE { PixmapPtr ppix = NVGetDrawablePixmap(pDraw); /* this is whether ppix is in the viewable fb, not related to the EXA "offscreen" stuff */ if (!nouveau_exa_pixmap_is_onscreen(ppix)) *action_flags &= ~USE_OVERLAY; } #endif #ifdef NVOVL_SUPPORT if (USING_OVERLAY) { char crtc = nv_window_belongs_to_crtc(pScrn, drw_x, drw_y, drw_w, drw_h); if ((crtc & (1 << 0)) && (crtc & (1 << 1))) { /* The overlay cannot be used on two CRTCs at a time, * so we need to fallback on the blitter */ *action_flags &= ~USE_OVERLAY; } else if ((crtc & (1 << 0))) { /* We need to put the overlay on CRTC0 - if it's not * already here */ if (pPriv->overlayCRTC == 1) { NVWriteCRTC(pNv, 0, NV_PCRTC_ENGINE_CTRL, NVReadCRTC(pNv, 0, NV_PCRTC_ENGINE_CTRL) | NV_CRTC_FSEL_OVERLAY); NVWriteCRTC(pNv, 1, NV_PCRTC_ENGINE_CTRL, NVReadCRTC(pNv, 1, NV_PCRTC_ENGINE_CTRL) & ~NV_CRTC_FSEL_OVERLAY); pPriv->overlayCRTC = 0; } } else if ((crtc & (1 << 1))) { if (pPriv->overlayCRTC == 0) { NVWriteCRTC(pNv, 1, NV_PCRTC_ENGINE_CTRL, NVReadCRTC(pNv, 1, NV_PCRTC_ENGINE_CTRL) | NV_CRTC_FSEL_OVERLAY); NVWriteCRTC(pNv, 0, NV_PCRTC_ENGINE_CTRL, NVReadCRTC(pNv, 0, NV_PCRTC_ENGINE_CTRL) & ~NV_CRTC_FSEL_OVERLAY); pPriv->overlayCRTC = 1; } } if (XF86_CRTC_CONFIG_PTR(pScrn)->crtc[pPriv->overlayCRTC] ->rotation != RR_Rotate_0) *action_flags &= ~USE_OVERLAY; } #endif /* At this point the adapter we're going to use is _known_. * You cannot change it now. */ /* Card/adapter format restrictions */ if (USING_BLITTER) { /* The blitter does not handle YV12 natively */ if (id == FOURCC_YV12 || id == FOURCC_I420) *action_flags |= CONVERT_TO_YUY2; } if (USING_OVERLAY && (pNv->Architecture == NV_ARCH_04)) { /* NV04-05 don't support YV12, only YUY2 and ITU-R BT.601 */ if (*action_flags & IS_YV12) *action_flags |= CONVERT_TO_YUY2; } if (USING_OVERLAY && (pNv->Architecture == NV_ARCH_10 || pNv->Architecture == NV_ARCH_20)) { /* No YV12 overlay on NV10, 11, 15, 20, NFORCE */ switch (pNv->dev->chipset) { case 0x10: case 0x11: case 0x15: case 0x1a: /*XXX: unsure about nforce */ case 0x20: *action_flags |= CONVERT_TO_YUY2; break; default: break; } } } /** * NVPutImage * PutImage is "the" important function of the Xv extension. * a client (e.g. video player) calls this function for every * image (of the video) to be displayed. this function then * scales and displays the image. * * @param pScrn screen which hold the port where the image is put * @param src_x source point in the source image to start displaying from * @param src_y see above * @param src_w width of the source image to display * @param src_h see above * @param drw_x screen point to display to * @param drw_y * @param drw_w width of the screen drawable * @param drw_h * @param id pixel format of image * @param buf pointer to buffer containing the source image * @param width total width of the source image we are passed * @param height * @param Sync unused * @param clipBoxes ?? * @param data pointer to port * @param pDraw drawable pointer */ static int NVPutImage(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, DrawablePtr pDraw) { NVPortPrivPtr pPriv = (NVPortPrivPtr)data; NVPtr pNv = NVPTR(pScrn); PixmapPtr ppix; /* source box */ INT32 xa = 0, xb = 0, ya = 0, yb = 0; /* size to allocate in VRAM and in GART respectively */ int newFBSize = 0, newTTSize = 0; /* card VRAM offsets, source offsets for U and V planes */ int offset = 0, uv_offset = 0, s2offset = 0, s3offset = 0; /* source pitch, source pitch of U and V planes in case of YV12, * VRAM destination pitch */ int srcPitch = 0, srcPitch2 = 0, dstPitch = 0; /* position of the given source data (using src_*), number of pixels * and lines we are interested in */ int top = 0, left = 0, right = 0, bottom = 0, npixels = 0, nlines = 0; Bool skip = FALSE; BoxRec dstBox; CARD32 tmp = 0; int line_len = 0; /* length of a line, like npixels, but in bytes */ struct nouveau_bo *destination_buffer = NULL; int action_flags; /* what shall we do? */ unsigned char *map; int ret, i; if (pPriv->grabbedByV4L) return Success; if (width > pPriv->max_image_dim || height > pPriv->max_image_dim) return BadMatch; NV_set_action_flags(pScrn, pDraw, pPriv, id, drw_x, drw_y, drw_w, drw_h, &action_flags); if (NV_set_dimensions(pScrn, action_flags, &xa, &xb, &ya, &yb, &src_x, &src_y, &src_w, &src_h, &drw_x, &drw_y, &drw_w, &drw_h, &left, &top, &right, &bottom, &dstBox, &npixels, &nlines, clipBoxes, width, height)) return Success; if (NV_calculate_pitches_and_mem_size(pNv, action_flags, &srcPitch, &srcPitch2, &dstPitch, &s2offset, &s3offset, &uv_offset, &newFBSize, &newTTSize, &line_len, npixels, nlines, width, height)) return BadImplementation; /* There are some cases (tvtime with overscan for example) where the * input image is larger (width/height) than the source rectangle for * the overlay (src_w, src_h). In those cases, we try to do something * optimal by uploading only the necessary data. */ if (action_flags & IS_YUY2 || action_flags & IS_RGB) buf += (top * srcPitch) + left; if (action_flags & IS_YV12) { tmp = ((top >> 1) * srcPitch2) + (left >> 1); s2offset += tmp; s3offset += tmp; } ret = nouveau_xv_bo_realloc(pScrn, NOUVEAU_BO_VRAM, newFBSize, &pPriv->video_mem); if (ret) return BadAlloc; #ifdef NVOVL_SUPPORT if (action_flags & USE_OVERLAY) { ret = nouveau_bo_pin(pPriv->video_mem, NOUVEAU_BO_VRAM); if (ret) { nouveau_bo_ref(NULL, &pPriv->video_mem); return BadAlloc; } } #endif /* The overlay supports hardware double buffering. We handle this here*/ offset = 0; #ifdef NVOVL_SUPPORT if (pPriv->doubleBuffer) { int mask = 1 << (pPriv->currentBuffer << 2); /* overwrite the newest buffer if there's not one free */ if (nvReadVIDEO(pNv, NV_PVIDEO_BUFFER) & mask) { if (!pPriv->currentBuffer) offset += newFBSize >> 1; skip = TRUE; } else { if (pPriv->currentBuffer) offset += newFBSize >> 1; } } #endif /* Now we take a decision regarding the way we send the data to the * card. * * Either we use double buffering of "private" TT memory * Either we rely on X's GARTScratch * Either we fallback on CPU copy */ /* Try to allocate host-side double buffers, unless we have already * failed */ /* We take only nlines * line_len bytes - that is, only the pixel * data we are interested in - because the stuff in the GART is * written contiguously */ if (pPriv->currentHostBuffer != NO_PRIV_HOST_BUFFER_AVAILABLE) { ret = nouveau_xv_bo_realloc(pScrn, NOUVEAU_BO_GART, newTTSize, &pPriv->TT_mem_chunk[0]); if (ret == 0) { ret = nouveau_xv_bo_realloc(pScrn, NOUVEAU_BO_GART, newTTSize, &pPriv->TT_mem_chunk[1]); if (ret) { nouveau_bo_ref(NULL, &pPriv->TT_mem_chunk[0]); pPriv->currentHostBuffer = NO_PRIV_HOST_BUFFER_AVAILABLE; } } else { pPriv->currentHostBuffer = NO_PRIV_HOST_BUFFER_AVAILABLE; } } if (pPriv->currentHostBuffer != NO_PRIV_HOST_BUFFER_AVAILABLE) { destination_buffer = pPriv->TT_mem_chunk[pPriv->currentHostBuffer]; } if (!destination_buffer) { if (pNv->Architecture >= NV_TESLA) { NOUVEAU_ERR("No scratch buffer for tiled upload\n"); return BadAlloc; } goto CPU_copy; } if (newTTSize <= destination_buffer->size) { unsigned char *dst; int i = 0; /* Upload to GART */ nouveau_bo_map(destination_buffer, NOUVEAU_BO_WR, pNv->client); dst = destination_buffer->map; if (action_flags & IS_YV12) { if (action_flags & CONVERT_TO_YUY2) { NVCopyData420(buf + (top * srcPitch) + left, buf + s2offset, buf + s3offset, dst, srcPitch, srcPitch2, line_len, nlines, npixels); } else { /* Native YV12 */ unsigned char *tbuf = buf + top * srcPitch + left; unsigned char *tdst = dst; /* luma upload */ for (i = 0; i < nlines; i++) { memcpy(tdst, tbuf, line_len); tdst += line_len; tbuf += srcPitch; } dst += line_len * nlines; NVCopyNV12ColorPlanes(buf + s2offset, buf + s3offset, dst, line_len, srcPitch2, nlines, npixels); } } else { for (i = 0; i < nlines; i++) { memcpy(dst, buf, line_len); dst += line_len; buf += srcPitch; } } if (uv_offset) { NVAccelM2MF(pNv, line_len, nlines / 2, 1, line_len * nlines, uv_offset, destination_buffer, NOUVEAU_BO_GART, line_len, nlines >> 1, 0, 0, pPriv->video_mem, NOUVEAU_BO_VRAM, dstPitch, nlines >> 1, 0, 0); } NVAccelM2MF(pNv, line_len, nlines, 1, 0, 0, destination_buffer, NOUVEAU_BO_GART, line_len, nlines, 0, 0, pPriv->video_mem, NOUVEAU_BO_VRAM, dstPitch, nlines, 0, 0); } else { CPU_copy: nouveau_bo_map(pPriv->video_mem, NOUVEAU_BO_WR, pNv->client); map = pPriv->video_mem->map + offset; if (action_flags & IS_YV12) { if (action_flags & CONVERT_TO_YUY2) { NVCopyData420(buf + (top * srcPitch) + left, buf + s2offset, buf + s3offset, map, srcPitch, srcPitch2, dstPitch, nlines, npixels); } else { unsigned char *tbuf = buf + left + top * srcPitch; for (i = 0; i < nlines; i++) { int dwords = npixels << 1; while (dwords & ~0x03) { *map = *tbuf; *(map + 1) = *(tbuf + 1); *(map + 2) = *(tbuf + 2); *(map + 3) = *(tbuf + 3); map += 4; tbuf += 4; dwords -= 4; } switch (dwords) { case 3: *(map + 2) = *(tbuf + 2); case 2: *(map + 1) = *(tbuf + 1); case 1: *map = *tbuf; } map += dstPitch - (npixels << 1); tbuf += srcPitch - (npixels << 1); } NVCopyNV12ColorPlanes(buf + s2offset, buf + s3offset, map, dstPitch, srcPitch2, nlines, npixels); } } else { /* YUY2 and RGB */ for (i = 0; i < nlines; i++) { int dwords = npixels << 1; while (dwords & ~0x03) { *map = *buf; *(map + 1) = *(buf + 1); *(map + 2) = *(buf + 2); *(map + 3) = *(buf + 3); map += 4; buf += 4; dwords -= 4; } switch (dwords) { case 3: *(map + 2) = *(buf + 2); case 2: *(map + 1) = *(buf + 1); case 1: *map = *buf; } map += dstPitch - (npixels << 1); buf += srcPitch - (npixels << 1); } } } if (skip) return Success; if (pPriv->currentHostBuffer != NO_PRIV_HOST_BUFFER_AVAILABLE) pPriv->currentHostBuffer ^= 1; /* If we're not using the hw overlay, we're rendering into a pixmap * and need to take a couple of additional steps... */ if (!(action_flags & USE_OVERLAY)) { ppix = NVGetDrawablePixmap(pDraw); /* Ensure pixmap is in offscreen memory */ pNv->exa_force_cp = TRUE; exaMoveInPixmap(ppix); pNv->exa_force_cp = FALSE; if (!exaGetPixmapDriverPrivate(ppix)) return BadAlloc; #ifdef COMPOSITE /* Convert screen coords to pixmap coords */ if (ppix->screen_x || ppix->screen_y) { REGION_TRANSLATE(pScrn->pScreen, clipBoxes, -ppix->screen_x, -ppix->screen_y); dstBox.x1 -= ppix->screen_x; dstBox.x2 -= ppix->screen_x; dstBox.y1 -= ppix->screen_y; dstBox.y2 -= ppix->screen_y; } #endif } if (action_flags & USE_OVERLAY) { if (pNv->Architecture == NV_ARCH_04) { NV04PutOverlayImage(pScrn, pPriv->video_mem, offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes); } else { NV10PutOverlayImage(pScrn, pPriv->video_mem, offset, uv_offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes); } pPriv->currentBuffer ^= 1; } else if (action_flags & USE_TEXTURE) { int ret = BadImplementation; if (pNv->Architecture == NV_ARCH_30) { ret = NV30PutTextureImage(pScrn, pPriv->video_mem, offset, uv_offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes, ppix, pPriv); } else if (pNv->Architecture == NV_ARCH_40) { ret = NV40PutTextureImage(pScrn, pPriv->video_mem, offset, uv_offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes, ppix, pPriv); } else if (pNv->Architecture == NV_TESLA) { ret = nv50_xv_image_put(pScrn, pPriv->video_mem, offset, uv_offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes, ppix, pPriv); } else { ret = nvc0_xv_image_put(pScrn, pPriv->video_mem, offset, uv_offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes, ppix, pPriv); } if (ret != Success) return ret; } else { ret = NVPutBlitImage(pScrn, pPriv->video_mem, offset, id, dstPitch, &dstBox, 0, 0, xb, yb, npixels, nlines, src_w, src_h, drw_w, drw_h, clipBoxes, ppix); if (ret != Success) return ret; } #ifdef COMPOSITE /* Damage tracking */ if (!(action_flags & USE_OVERLAY)) DamageDamageRegion(&ppix->drawable, clipBoxes); #endif return Success; } /** * QueryImageAttributes * * calculates * - size (memory required to store image), * - pitches, * - offsets * of image * depending on colorspace (id) and dimensions (w,h) of image * values of * - w, * - h * may be adjusted as needed * * @param pScrn unused * @param id colorspace of image * @param w pointer to width of image * @param h pointer to height of image * @param pitches pitches[i] = length of a scanline in plane[i] * @param offsets offsets[i] = offset of plane i from the beginning of the image * @return size of the memory required for the XvImage queried */ static int NVQueryImageAttributes(ScrnInfoPtr pScrn, int id, unsigned short *w, unsigned short *h, int *pitches, int *offsets) { int size, tmp; *w = (*w + 1) & ~1; // width rounded up to an even number if (offsets) offsets[0] = 0; switch (id) { case FOURCC_YV12: case FOURCC_I420: *h = (*h + 1) & ~1; // height rounded up to an even number size = (*w + 3) & ~3; // width rounded up to a multiple of 4 if (pitches) pitches[0] = size; // width rounded up to a multiple of 4 size *= *h; if (offsets) offsets[1] = size; // number of pixels in "rounded up" image tmp = ((*w >> 1) + 3) & ~3; // width/2 rounded up to a multiple of 4 if (pitches) pitches[1] = pitches[2] = tmp; // width/2 rounded up to a multiple of 4 tmp *= (*h >> 1); // 1/4*number of pixels in "rounded up" image size += tmp; // 5/4*number of pixels in "rounded up" image if (offsets) offsets[2] = size; // 5/4*number of pixels in "rounded up" image size += tmp; // = 3/2*number of pixels in "rounded up" image break; case FOURCC_UYVY: case FOURCC_YUY2: size = *w << 1; // 2*width if (pitches) pitches[0] = size; // 2*width size *= *h; // 2*width*height break; case FOURCC_RGB: size = *w << 2; // 4*width (32 bit per pixel) if (pitches) pitches[0] = size; // 4*width size *= *h; // 4*width*height break; case FOURCC_AI44: case FOURCC_IA44: size = *w; // width if (pitches) pitches[0] = size; // width size *= *h; // width*height break; default: xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Unknown colorspace: %x\n", id); *w = *h = size = 0; break; } return size; } /***** Exported offscreen surface stuff ****/ static int NVAllocSurface(ScrnInfoPtr pScrn, int id, unsigned short w, unsigned short h, XF86SurfacePtr surface) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(pNv); int size, bpp, ret; bpp = pScrn->bitsPerPixel >> 3; if (pPriv->grabbedByV4L) return BadAlloc; if ((w > IMAGE_MAX_W) || (h > IMAGE_MAX_H)) return BadValue; w = (w + 1) & ~1; pPriv->pitch = ((w << 1) + 63) & ~63; size = h * pPriv->pitch / bpp; ret = nouveau_xv_bo_realloc(pScrn, NOUVEAU_BO_VRAM, size, &pPriv->video_mem); if (ret) return BadAlloc; pPriv->offset = 0; surface->width = w; surface->height = h; surface->pScrn = pScrn; surface->pitches = &pPriv->pitch; surface->offsets = &pPriv->offset; surface->devPrivate.ptr = (pointer)pPriv; surface->id = id; /* grab the video */ NVStopOverlay(pScrn); pPriv->videoStatus = 0; REGION_EMPTY(pScrn->pScreen, &pPriv->clip); pPriv->grabbedByV4L = TRUE; return Success; } static int NVStopSurface(XF86SurfacePtr surface) { NVPortPrivPtr pPriv = (NVPortPrivPtr)(surface->devPrivate.ptr); if (pPriv->grabbedByV4L && pPriv->videoStatus) { NV10StopOverlay(surface->pScrn); pPriv->videoStatus = 0; } return Success; } static int NVFreeSurface(XF86SurfacePtr surface) { NVPortPrivPtr pPriv = (NVPortPrivPtr)(surface->devPrivate.ptr); if (pPriv->grabbedByV4L) { NVStopSurface(surface); NVFreeOverlayMemory(surface->pScrn); pPriv->grabbedByV4L = FALSE; } return Success; } static int NVGetSurfaceAttribute(ScrnInfoPtr pScrn, Atom attribute, INT32 *value) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(pNv); return NV10GetOverlayPortAttribute(pScrn, attribute, value, (pointer)pPriv); } static int NVSetSurfaceAttribute(ScrnInfoPtr pScrn, Atom attribute, INT32 value) { NVPtr pNv = NVPTR(pScrn); NVPortPrivPtr pPriv = GET_OVERLAY_PRIVATE(pNv); return NV10SetOverlayPortAttribute(pScrn, attribute, value, (pointer)pPriv); } static int NVDisplaySurface(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) { ScrnInfoPtr pScrn = surface->pScrn; NVPortPrivPtr pPriv = (NVPortPrivPtr)(surface->devPrivate.ptr); INT32 xa, xb, ya, yb; BoxRec dstBox; if (!pPriv->grabbedByV4L) return Success; if (src_w > (drw_w << 3)) drw_w = src_w >> 3; if (src_h > (drw_h << 3)) drw_h = src_h >> 3; /* Clip */ xa = src_x; xb = src_x + src_w; ya = src_y; yb = src_y + src_h; dstBox.x1 = drw_x; dstBox.x2 = drw_x + drw_w; dstBox.y1 = drw_y; dstBox.y2 = drw_y + drw_h; if(!xf86XVClipVideoHelper(&dstBox, &xa, &xb, &ya, &yb, clipBoxes, surface->width, surface->height)) return Success; dstBox.x1 -= pScrn->frameX0; dstBox.x2 -= pScrn->frameX0; dstBox.y1 -= pScrn->frameY0; dstBox.y2 -= pScrn->frameY0; pPriv->currentBuffer = 0; NV10PutOverlayImage(pScrn, pPriv->video_mem, surface->offsets[0], 0, surface->id, surface->pitches[0], &dstBox, xa, ya, xb, yb, surface->width, surface->height, src_w, src_h, drw_w, drw_h, clipBoxes); return Success; } /** * NVSetupBlitVideo * this function does all the work setting up a blit port * * @return blit port */ static XF86VideoAdaptorPtr NVSetupBlitVideo (ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); XF86VideoAdaptorPtr adapt; NVPortPrivPtr pPriv; int i; if (!(adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + sizeof(NVPortPrivRec) + (sizeof(DevUnion) * NUM_BLIT_PORTS)))) { return NULL; } adapt->type = XvWindowMask | XvInputMask | XvImageMask; adapt->flags = 0; adapt->name = "NV Video Blitter"; adapt->nEncodings = 1; adapt->pEncodings = &DummyEncoding; adapt->nFormats = NUM_FORMATS_ALL; adapt->pFormats = NVFormats; adapt->nPorts = NUM_BLIT_PORTS; adapt->pPortPrivates = (DevUnion*)(&adapt[1]); pPriv = (NVPortPrivPtr)(&adapt->pPortPrivates[NUM_BLIT_PORTS]); for(i = 0; i < NUM_BLIT_PORTS; i++) adapt->pPortPrivates[i].ptr = (pointer)(pPriv); if (pNv->dev->chipset >= 0x11) { adapt->pAttributes = NVBlitAttributes; adapt->nAttributes = NUM_BLIT_ATTRIBUTES; } else { adapt->pAttributes = NULL; adapt->nAttributes = 0; } adapt->pImages = NVImages; adapt->nImages = NUM_IMAGES_ALL; adapt->PutVideo = NULL; adapt->PutStill = NULL; adapt->GetVideo = NULL; adapt->GetStill = NULL; adapt->StopVideo = NVStopBlitVideo; adapt->SetPortAttribute = NVSetBlitPortAttribute; adapt->GetPortAttribute = NVGetBlitPortAttribute; adapt->QueryBestSize = NVQueryBestSize; adapt->PutImage = NVPutImage; adapt->QueryImageAttributes = NVQueryImageAttributes; pPriv->videoStatus = 0; pPriv->grabbedByV4L = FALSE; pPriv->blitter = TRUE; pPriv->texture = FALSE; pPriv->bicubic = FALSE; pPriv->doubleBuffer = FALSE; pPriv->SyncToVBlank = (pNv->dev->chipset >= 0x11); pPriv->max_image_dim = 2048; pNv->blitAdaptor = adapt; return adapt; } /** * NVSetupOverlayVideo * this function does all the work setting up an overlay port * * @return overlay port */ static XF86VideoAdaptorPtr NVSetupOverlayVideoAdapter(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); XF86VideoAdaptorPtr adapt; NVPortPrivPtr pPriv; if (!(adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + sizeof(NVPortPrivRec) + sizeof(DevUnion)))) { return NULL; } adapt->type = XvWindowMask | XvInputMask | XvImageMask; adapt->flags = VIDEO_OVERLAID_IMAGES; adapt->name = "NV Video Overlay"; adapt->nEncodings = 1; adapt->pEncodings = &DummyEncoding; adapt->nFormats = NUM_FORMATS_ALL; adapt->pFormats = NVFormats; adapt->nPorts = 1; adapt->pPortPrivates = (DevUnion*)(&adapt[1]); pPriv = (NVPortPrivPtr)(&adapt->pPortPrivates[1]); adapt->pPortPrivates[0].ptr = (pointer)(pPriv); adapt->pAttributes = (pNv->Architecture != NV_ARCH_04) ? NV10OverlayAttributes : NV04OverlayAttributes; adapt->nAttributes = (pNv->Architecture != NV_ARCH_04) ? NUM_NV10_OVERLAY_ATTRIBUTES : NUM_NV04_OVERLAY_ATTRIBUTES; adapt->pImages = NVImages; adapt->nImages = NUM_IMAGES_YUV; adapt->PutVideo = NULL; adapt->PutStill = NULL; adapt->GetVideo = NULL; adapt->GetStill = NULL; adapt->StopVideo = NVStopOverlayVideo; adapt->SetPortAttribute = (pNv->Architecture != NV_ARCH_04) ? NV10SetOverlayPortAttribute : NV04SetOverlayPortAttribute; adapt->GetPortAttribute = (pNv->Architecture != NV_ARCH_04) ? NV10GetOverlayPortAttribute : NV04GetOverlayPortAttribute; adapt->QueryBestSize = NVQueryBestSize; adapt->PutImage = NVPutImage; adapt->QueryImageAttributes = NVQueryImageAttributes; pPriv->videoStatus = 0; pPriv->currentBuffer = 0; pPriv->grabbedByV4L = FALSE; pPriv->blitter = FALSE; pPriv->texture = FALSE; pPriv->bicubic = FALSE; pPriv->max_image_dim = 2048; NVSetPortDefaults (pScrn, pPriv); /* gotta uninit this someplace */ REGION_NULL(pScreen, &pPriv->clip); pNv->overlayAdaptor = adapt; xvBrightness = MAKE_ATOM("XV_BRIGHTNESS"); xvColorKey = MAKE_ATOM("XV_COLORKEY"); xvAutopaintColorKey = MAKE_ATOM("XV_AUTOPAINT_COLORKEY"); xvSetDefaults = MAKE_ATOM("XV_SET_DEFAULTS"); if ( pNv->Architecture != NV_ARCH_04 ) { xvDoubleBuffer = MAKE_ATOM("XV_DOUBLE_BUFFER"); xvContrast = MAKE_ATOM("XV_CONTRAST"); xvSaturation = MAKE_ATOM("XV_SATURATION"); xvHue = MAKE_ATOM("XV_HUE"); xvITURBT709 = MAKE_ATOM("XV_ITURBT_709"); xvOnCRTCNb = MAKE_ATOM("XV_ON_CRTC_NB"); NV10WriteOverlayParameters(pScrn); } return adapt; } XF86OffscreenImageRec NVOffscreenImages[2] = { { &NVImages[0], VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT, NVAllocSurface, NVFreeSurface, NVDisplaySurface, NVStopSurface, NVGetSurfaceAttribute, NVSetSurfaceAttribute, IMAGE_MAX_W, IMAGE_MAX_H, NUM_NV10_OVERLAY_ATTRIBUTES - 1, &NV10OverlayAttributes[1] }, { &NVImages[2], VIDEO_OVERLAID_IMAGES | VIDEO_CLIP_TO_VIEWPORT, NVAllocSurface, NVFreeSurface, NVDisplaySurface, NVStopSurface, NVGetSurfaceAttribute, NVSetSurfaceAttribute, IMAGE_MAX_W, IMAGE_MAX_H, NUM_NV10_OVERLAY_ATTRIBUTES - 1, &NV10OverlayAttributes[1] } }; static void NVInitOffscreenImages (ScreenPtr pScreen) { xf86XVRegisterOffscreenImages(pScreen, NVOffscreenImages, 2); } /** * NVChipsetHasOverlay * * newer chips don't support overlay anymore. * overlay feature is emulated via textures. * * @param pNv * @return true, if chipset supports overlay */ static Bool NVChipsetHasOverlay(NVPtr pNv) { switch (pNv->Architecture) { case NV_ARCH_04: /*NV04 has a different overlay than NV10+*/ case NV_ARCH_10: case NV_ARCH_20: case NV_ARCH_30: return TRUE; case NV_ARCH_40: if (pNv->dev->chipset == 0x40) return TRUE; break; default: break; } return FALSE; } /** * NVSetupOverlayVideo * check if chipset supports Overla * if so, setup overlay port * * @return overlay port * @see NVChipsetHasOverlay(NVPtr pNv) * @see NV10SetupOverlayVideo(ScreenPtr pScreen) * @see NVInitOffscreenImages(ScreenPtr pScreen) */ static XF86VideoAdaptorPtr NVSetupOverlayVideo(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); XF86VideoAdaptorPtr overlayAdaptor = NULL; NVPtr pNv = NVPTR(pScrn); if (1 /*pNv->kms_enable*/ || !NVChipsetHasOverlay(pNv)) return NULL; overlayAdaptor = NVSetupOverlayVideoAdapter(pScreen); /* I am not sure what this call does. */ if (overlayAdaptor && pNv->Architecture != NV_ARCH_04 ) NVInitOffscreenImages(pScreen); #ifdef COMPOSITE if (!noCompositeExtension) { xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Xv: Composite is enabled, enabling overlay with " "smart blitter fallback\n"); overlayAdaptor->name = "NV Video Overlay with Composite"; } #endif return overlayAdaptor; } /** * NV30 texture adapter. */ #define NUM_FORMAT_TEXTURED 2 static XF86ImageRec NV30TexturedImages[NUM_FORMAT_TEXTURED] = { XVIMAGE_YV12, XVIMAGE_I420, }; /** * NV30SetupTexturedVideo * this function does all the work setting up textured video port * * @return texture port */ static XF86VideoAdaptorPtr NV30SetupTexturedVideo (ScreenPtr pScreen, Bool bicubic) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); XF86VideoAdaptorPtr adapt; NVPortPrivPtr pPriv; int i; if (!(adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + sizeof(NVPortPrivRec) + (sizeof(DevUnion) * NUM_TEXTURE_PORTS)))) { return NULL; } adapt->type = XvWindowMask | XvInputMask | XvImageMask; adapt->flags = 0; if (bicubic) adapt->name = "NV30 high quality adapter"; else adapt->name = "NV30 texture adapter"; adapt->nEncodings = 1; adapt->pEncodings = &DummyEncodingTex; adapt->nFormats = NUM_FORMATS_ALL; adapt->pFormats = NVFormats; adapt->nPorts = NUM_TEXTURE_PORTS; adapt->pPortPrivates = (DevUnion*)(&adapt[1]); pPriv = (NVPortPrivPtr)(&adapt->pPortPrivates[NUM_TEXTURE_PORTS]); for(i = 0; i < NUM_TEXTURE_PORTS; i++) adapt->pPortPrivates[i].ptr = (pointer)(pPriv); adapt->pAttributes = NVTexturedAttributes; adapt->nAttributes = NUM_TEXTURED_ATTRIBUTES; adapt->pImages = NV30TexturedImages; adapt->nImages = NUM_FORMAT_TEXTURED; adapt->PutVideo = NULL; adapt->PutStill = NULL; adapt->GetVideo = NULL; adapt->GetStill = NULL; adapt->StopVideo = NV30StopTexturedVideo; adapt->SetPortAttribute = NV30SetTexturePortAttribute; adapt->GetPortAttribute = NV30GetTexturePortAttribute; adapt->QueryBestSize = NVQueryBestSize; adapt->PutImage = NVPutImage; adapt->QueryImageAttributes = NVQueryImageAttributes; pPriv->videoStatus = 0; pPriv->grabbedByV4L = FALSE; pPriv->blitter = FALSE; pPriv->texture = TRUE; pPriv->bicubic = bicubic; pPriv->doubleBuffer = FALSE; pPriv->SyncToVBlank = TRUE; pPriv->max_image_dim = 4096; if (bicubic) pNv->textureAdaptor[1] = adapt; else pNv->textureAdaptor[0] = adapt; return adapt; } /** * NV40 texture adapter. */ #define NUM_FORMAT_TEXTURED 2 static XF86ImageRec NV40TexturedImages[NUM_FORMAT_TEXTURED] = { XVIMAGE_YV12, XVIMAGE_I420, }; /** * NV40SetupTexturedVideo * this function does all the work setting up textured video port * * @return texture port */ static XF86VideoAdaptorPtr NV40SetupTexturedVideo (ScreenPtr pScreen, Bool bicubic) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); XF86VideoAdaptorPtr adapt; NVPortPrivPtr pPriv; int i; if (!(adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + sizeof(NVPortPrivRec) + (sizeof(DevUnion) * NUM_TEXTURE_PORTS)))) { return NULL; } adapt->type = XvWindowMask | XvInputMask | XvImageMask; adapt->flags = 0; if (bicubic) adapt->name = "NV40 high quality adapter"; else adapt->name = "NV40 texture adapter"; adapt->nEncodings = 1; adapt->pEncodings = &DummyEncodingTex; adapt->nFormats = NUM_FORMATS_ALL; adapt->pFormats = NVFormats; adapt->nPorts = NUM_TEXTURE_PORTS; adapt->pPortPrivates = (DevUnion*)(&adapt[1]); pPriv = (NVPortPrivPtr)(&adapt->pPortPrivates[NUM_TEXTURE_PORTS]); for(i = 0; i < NUM_TEXTURE_PORTS; i++) adapt->pPortPrivates[i].ptr = (pointer)(pPriv); adapt->pAttributes = NVTexturedAttributes; adapt->nAttributes = NUM_TEXTURED_ATTRIBUTES; adapt->pImages = NV40TexturedImages; adapt->nImages = NUM_FORMAT_TEXTURED; adapt->PutVideo = NULL; adapt->PutStill = NULL; adapt->GetVideo = NULL; adapt->GetStill = NULL; adapt->StopVideo = NV40StopTexturedVideo; adapt->SetPortAttribute = NV40SetTexturePortAttribute; adapt->GetPortAttribute = NV40GetTexturePortAttribute; adapt->QueryBestSize = NVQueryBestSize; adapt->PutImage = NVPutImage; adapt->QueryImageAttributes = NVQueryImageAttributes; pPriv->videoStatus = 0; pPriv->grabbedByV4L = FALSE; pPriv->blitter = FALSE; pPriv->texture = TRUE; pPriv->bicubic = bicubic; pPriv->doubleBuffer = FALSE; pPriv->SyncToVBlank = TRUE; pPriv->max_image_dim = 4096; if (bicubic) pNv->textureAdaptor[1] = adapt; else pNv->textureAdaptor[0] = adapt; return adapt; } static XF86ImageRec NV50TexturedImages[] = { XVIMAGE_YV12, XVIMAGE_I420, XVIMAGE_YUY2, XVIMAGE_UYVY }; static XF86VideoAdaptorPtr NV50SetupTexturedVideo (ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); XF86VideoAdaptorPtr adapt; NVPortPrivPtr pPriv; int i; if (!(adapt = calloc(1, sizeof(XF86VideoAdaptorRec) + sizeof(NVPortPrivRec) + (sizeof(DevUnion) * NUM_TEXTURE_PORTS)))) { return NULL; } adapt->type = XvWindowMask | XvInputMask | XvImageMask; adapt->flags = 0; adapt->name = "Nouveau GeForce 8/9 Textured Video"; adapt->nEncodings = 1; adapt->pEncodings = &DummyEncodingNV50; adapt->nFormats = NUM_FORMATS_ALL; adapt->pFormats = NVFormats; adapt->nPorts = NUM_TEXTURE_PORTS; adapt->pPortPrivates = (DevUnion*)(&adapt[1]); pPriv = (NVPortPrivPtr)(&adapt->pPortPrivates[NUM_TEXTURE_PORTS]); for(i = 0; i < NUM_TEXTURE_PORTS; i++) adapt->pPortPrivates[i].ptr = (pointer)(pPriv); adapt->pAttributes = NVTexturedAttributesNV50; adapt->nAttributes = NUM_TEXTURED_ATTRIBUTES_NV50; adapt->pImages = NV50TexturedImages; adapt->nImages = sizeof(NV50TexturedImages) / sizeof(NV50TexturedImages[0]); adapt->PutVideo = NULL; adapt->PutStill = NULL; adapt->GetVideo = NULL; adapt->GetStill = NULL; adapt->StopVideo = nv50_xv_video_stop; adapt->SetPortAttribute = nv50_xv_port_attribute_set; adapt->GetPortAttribute = nv50_xv_port_attribute_get; adapt->QueryBestSize = NVQueryBestSize; adapt->PutImage = NVPutImage; adapt->QueryImageAttributes = NVQueryImageAttributes; pNv->textureAdaptor[0] = adapt; nv50_xv_set_port_defaults(pScrn, pPriv); nv50_xv_csc_update(pScrn, pPriv); xvBrightness = MAKE_ATOM("XV_BRIGHTNESS"); xvContrast = MAKE_ATOM("XV_CONTRAST"); xvSaturation = MAKE_ATOM("XV_SATURATION"); xvHue = MAKE_ATOM("XV_HUE"); xvITURBT709 = MAKE_ATOM("XV_ITURBT_709"); return adapt; } void NVSetupTexturedVideo (ScreenPtr pScreen, XF86VideoAdaptorPtr *textureAdaptor) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); if (!pNv->Nv3D) return; if (pNv->Architecture == NV_ARCH_30) { textureAdaptor[0] = NV30SetupTexturedVideo(pScreen, FALSE); textureAdaptor[1] = NV30SetupTexturedVideo(pScreen, TRUE); } else if (pNv->Architecture == NV_ARCH_40) { textureAdaptor[0] = NV40SetupTexturedVideo(pScreen, FALSE); textureAdaptor[1] = NV40SetupTexturedVideo(pScreen, TRUE); } else if (pNv->Architecture >= NV_TESLA && pNv->Architecture < NV_MAXWELL) { textureAdaptor[0] = NV50SetupTexturedVideo(pScreen); } } /** * NVInitVideo * tries to initialize the various supported adapters * and add them to the list of ports on screen "pScreen". * * @param pScreen * @see NVSetupOverlayVideo(ScreenPtr pScreen) * @see NVSetupBlitVideo(ScreenPtr pScreen) */ void NVInitVideo(ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); NVPtr pNv = NVPTR(pScrn); XF86VideoAdaptorPtr *adaptors, *newAdaptors = NULL; XF86VideoAdaptorPtr overlayAdaptor = NULL; XF86VideoAdaptorPtr blitAdaptor = NULL; XF86VideoAdaptorPtr textureAdaptor[2] = {NULL, NULL}; int num_adaptors; /* * Driving the blitter requires the DMA FIFO. Using the FIFO * without accel causes DMA errors. While the overlay might * might work without accel, we also disable it for now when * acceleration is disabled: */ if (pScrn->bitsPerPixel != 8 && pNv->AccelMethod == EXA) { xvSyncToVBlank = MAKE_ATOM("XV_SYNC_TO_VBLANK"); if (pNv->Architecture < NV_TESLA) { overlayAdaptor = NVSetupOverlayVideo(pScreen); blitAdaptor = NVSetupBlitVideo(pScreen); } NVSetupTexturedVideo(pScreen, textureAdaptor); } num_adaptors = xf86XVListGenericAdaptors(pScrn, &adaptors); if (blitAdaptor || overlayAdaptor || textureAdaptor[0]) { int size = num_adaptors; if(overlayAdaptor) size++; if(blitAdaptor) size++; if(textureAdaptor[0]) size++; if(textureAdaptor[1]) size++; newAdaptors = malloc(size * sizeof(XF86VideoAdaptorPtr *)); if(newAdaptors) { if(num_adaptors) { memcpy(newAdaptors, adaptors, num_adaptors * sizeof(XF86VideoAdaptorPtr)); } if(overlayAdaptor) { newAdaptors[num_adaptors] = overlayAdaptor; num_adaptors++; } if (textureAdaptor[0]) { /* bilinear */ newAdaptors[num_adaptors] = textureAdaptor[0]; num_adaptors++; } if (textureAdaptor[1]) { /* bicubic */ newAdaptors[num_adaptors] = textureAdaptor[1]; num_adaptors++; } if(blitAdaptor) { newAdaptors[num_adaptors] = blitAdaptor; num_adaptors++; } adaptors = newAdaptors; } } if (num_adaptors) xf86XVScreenInit(pScreen, adaptors, num_adaptors); if (newAdaptors) free(newAdaptors); /* * For now we associate with the plain texture adapter since it is logical, but we can * associate with any/all adapters since VL doesn't depend on Xv for color conversion. */ if (textureAdaptor[0]) { XF86MCAdaptorPtr *adaptorsXvMC = malloc(sizeof(XF86MCAdaptorPtr)); if (adaptorsXvMC) { adaptorsXvMC[0] = vlCreateAdaptorXvMC(pScreen, textureAdaptor[0]->name); if (adaptorsXvMC[0]) { vlInitXvMC(pScreen, 1, adaptorsXvMC); vlDestroyAdaptorXvMC(adaptorsXvMC[0]); } free(adaptorsXvMC); } } } void NVTakedownVideo(ScrnInfoPtr pScrn) { NVPtr pNv = NVPTR(pScrn); if (pNv->blitAdaptor) NVFreePortMemory(pScrn, GET_BLIT_PRIVATE(pNv)); if (pNv->textureAdaptor[0]) { NVFreePortMemory(pScrn, pNv->textureAdaptor[0]->pPortPrivates[0].ptr); } if (pNv->textureAdaptor[1]) { NVFreePortMemory(pScrn, pNv->textureAdaptor[1]->pPortPrivates[0].ptr); } } /* The filtering function used for video scaling. We use a cubic filter as * defined in "Reconstruction Filters in Computer Graphics" Mitchell & * Netravali in SIGGRAPH '88 */ static float filter_func(float x) { const double B=0.75; const double C=(1.0-B)/2.0; double x1=fabs(x); double x2=fabs(x)*x1; double x3=fabs(x)*x2; if (fabs(x)<1.0) return ( (12.0-9.0*B-6.0*C)*x3+(-18.0+12.0*B+6.0*C)*x2+(6.0-2.0*B) )/6.0; else return ( (-B-6.0*C)*x3+(6.0*B+30.0*C)*x2+(-12.0*B-48.0*C)*x1+(8.0*B+24.0*C) )/6.0; } static int8_t f32tosb8(float v) { return (int8_t)(v*127.0); } void NVXVComputeBicubicFilter(struct nouveau_bo *bo, unsigned offset, unsigned size) { int8_t *t = (int8_t *)(bo->map + offset); int i; for(i = 0; i < size; i++) { float x = (i + 0.5) / size; float w0 = filter_func(x+1.0); float w1 = filter_func(x); float w2 = filter_func(x-1.0); float w3 = filter_func(x-2.0); t[4*i+2]=f32tosb8(1.0+x-w1/(w0+w1)); t[4*i+1]=f32tosb8(1.0-x+w3/(w2+w3)); t[4*i+0]=f32tosb8(w0+w1); t[4*i+3]=f32tosb8(0.0); } }