Automatically select crtc based on coverage.
By default, select crtc based on which one covers more of the video output. pipe property can be used to override selection when both have partial coverage.
This commit is contained in:
Keith Packard
parent
f5017a06a2
commit
aa187186dc
250
src/i830_video.c
250
src/i830_video.c
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@ -147,7 +147,7 @@ static Atom xvGamma0, xvGamma1, xvGamma2, xvGamma3, xvGamma4, xvGamma5;
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#define IMAGE_MAX_HEIGHT_LEGACY 1088
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/* overlay debugging printf function */
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#if 0
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#if 1
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#define OVERLAY_DEBUG ErrorF
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#else
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#define OVERLAY_DEBUG if (0) ErrorF
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@ -158,68 +158,6 @@ static Atom xvGamma0, xvGamma1, xvGamma2, xvGamma3, xvGamma4, xvGamma5;
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void exaMoveInPixmap (PixmapPtr pPixmap);
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#endif
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/*
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* This is more or less the correct way to initalise, update, and shut down
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* the overlay. Note OVERLAY_OFF should be used only after disabling the
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* overlay in OCMD and calling OVERLAY_UPDATE.
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*
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* XXX Need to make sure that the overlay engine is cleanly shutdown in
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* all modes of server exit.
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*/
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#define OVERLAY_UPDATE \
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do { \
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BEGIN_LP_RING(8); \
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OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE); \
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OUT_RING(MI_NOOP); \
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if (!*pI830->overlayOn) { \
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OUT_RING(MI_NOOP); \
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OUT_RING(MI_NOOP); \
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OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_FLIP_ON); \
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OVERLAY_DEBUG("Overlay goes from off to on\n"); \
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*pI830->overlayOn = TRUE; \
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} else { \
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OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); \
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OUT_RING(MI_NOOP); \
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OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_FLIP_CONTINUE); \
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} \
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if (IS_I965G(pI830)) \
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OUT_RING(pI830->overlay_regs->offset | OFC_UPDATE); \
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else \
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OUT_RING(pI830->overlay_regs->bus_addr | OFC_UPDATE); \
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OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); \
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OUT_RING(MI_NOOP); \
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ADVANCE_LP_RING(); \
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OVERLAY_DEBUG("OVERLAY_UPDATE\n"); \
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} while(0)
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#define OVERLAY_OFF \
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do { \
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if (*pI830->overlayOn) { \
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int spin = 1000000; \
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BEGIN_LP_RING(6); \
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OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE); \
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OUT_RING(MI_NOOP); \
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OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_FLIP_OFF); \
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if (IS_I965G(pI830)) \
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OUT_RING(pI830->overlay_regs->offset | OFC_UPDATE); \
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else \
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OUT_RING(pI830->overlay_regs->bus_addr | OFC_UPDATE); \
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OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); \
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OUT_RING(MI_NOOP); \
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ADVANCE_LP_RING(); \
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*pI830->overlayOn = FALSE; \
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OVERLAY_DEBUG("Overlay goes from on to off\n"); \
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while (spin != 0 && (INREG(OCMD_REGISTER) & OVERLAY_ENABLE)){ \
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OVERLAY_DEBUG("SPIN %d\n",spin); \
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spin--; \
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} \
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if (spin == 0) \
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OVERLAY_DEBUG("OVERLAY FAILED TO GO OFF\n"); \
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OVERLAY_DEBUG("OVERLAY_OFF\n"); \
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} \
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} while(0)
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/*
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* OCMD - Overlay Command Register
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*/
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@ -417,6 +355,79 @@ CompareOverlay(I830Ptr pI830, CARD32 * overlay, int size)
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}
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#endif
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/*
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* This is more or less the correct way to initalise, update, and shut down
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* the overlay. Note OVERLAY_OFF should be used only after disabling the
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* overlay in OCMD and calling OVERLAY_UPDATE.
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*
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* XXX Need to make sure that the overlay engine is cleanly shutdown in
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* all modes of server exit.
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*/
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static void
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i830_overlay_update(ScrnInfoPtr pScrn)
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{
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I830Ptr pI830 = I830PTR(pScrn);
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BEGIN_LP_RING(8);
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OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE);
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OUT_RING(MI_NOOP);
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if (!*pI830->overlayOn) {
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OUT_RING(MI_NOOP);
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OUT_RING(MI_NOOP);
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OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_FLIP_ON);
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OVERLAY_DEBUG("Overlay goes from off to on\n");
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*pI830->overlayOn = TRUE;
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} else {
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OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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OUT_RING(MI_NOOP);
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OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_FLIP_CONTINUE);
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}
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if (IS_I965G(pI830))
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OUT_RING(pI830->overlay_regs->offset | OFC_UPDATE);
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else
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OUT_RING(pI830->overlay_regs->bus_addr | OFC_UPDATE);
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OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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OUT_RING(MI_NOOP);
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ADVANCE_LP_RING();
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OVERLAY_DEBUG("OVERLAY_UPDATE\n");
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}
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#define OVERLAY_UPDATE i830_overlay_update(pScrn)
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static void
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i830_overlay_off(ScrnInfoPtr pScrn)
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{
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I830Ptr pI830 = I830PTR(pScrn);
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if (*pI830->overlayOn) {
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int spin = 1000000;
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BEGIN_LP_RING(6);
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OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE);
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OUT_RING(MI_NOOP);
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OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_FLIP_OFF);
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if (IS_I965G(pI830))
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OUT_RING(pI830->overlay_regs->offset | OFC_UPDATE);
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else
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OUT_RING(pI830->overlay_regs->bus_addr | OFC_UPDATE);
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OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
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OUT_RING(MI_NOOP);
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ADVANCE_LP_RING();
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i830WaitSync(pScrn);
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*pI830->overlayOn = FALSE;
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OUTREG(OCMD_REGISTER, INREG(OCMD_REGISTER) & ~OVERLAY_ENABLE);
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OVERLAY_DEBUG("Overlay goes from on to off\n");
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while (spin != 0 && (INREG(OCMD_REGISTER) & OVERLAY_ENABLE)){
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OVERLAY_DEBUG("SPIN %d\n",spin);
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spin--;
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}
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if (spin == 0)
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OVERLAY_DEBUG("OVERLAY FAILED TO GO OFF\n");
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OVERLAY_DEBUG("OVERLAY_OFF\n");
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}
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}
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#define OVERLAY_OFF i830_overlay_off(pScrn)
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void
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I830InitVideo(ScreenPtr pScreen)
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{
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@ -1557,6 +1568,39 @@ UpdateCoeff(int taps, double fCutoff, Bool isHoriz, Bool isY, coeffPtr pCoeff)
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}
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}
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static float
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I830CrtcVideoCoverage (xf86CrtcPtr crtc, BoxPtr video)
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{
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BoxRec dest;
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BoxRec pipe;
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if (crtc->enabled)
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{
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pipe.x1 = crtc->x;
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pipe.x2 = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
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pipe.y1 = crtc->y;
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pipe.y2 = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
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}
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else
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{
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pipe.x1 = pipe.x2 = 0;
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pipe.y1 = pipe.y2 = 0;
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}
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dest.x1 = pipe.x1 > video->x1 ? pipe.x1 : video->x1;
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dest.x2 = pipe.x2 < video->x2 ? pipe.x2 : video->x2;
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dest.y1 = pipe.y1 > video->y1 ? pipe.y1 : video->y1;
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dest.y2 = pipe.y2 < video->y2 ? pipe.y2 : video->y2;
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if (dest.x1 >= dest.x2 || dest.y1 >= dest.y2)
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{
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dest.x1 = dest.x2 = 0;
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dest.y1 = dest.y2 = 0;
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}
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if (video->x1 >= video->x2 || video->y1 >= video->y2)
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return 0.0;
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return (((float) (dest.x2 - dest.x1) * (float) (dest.y2 - dest.y1)) /
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((float) (video->x2 - video->x1) * (float) (video->y2 - video->y1)));
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}
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static void
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I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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int dstPitch, int x1, int y1, int x2, int y2, BoxPtr dstBox,
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@ -1568,6 +1612,7 @@ I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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(I830OverlayRegPtr) (pI830->FbBase + pI830->overlay_regs->offset);
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unsigned int swidth;
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unsigned int mask, shift, offsety, offsetu;
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xf86CrtcPtr crtc;
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int tmp;
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OVERLAY_DEBUG("I830DisplayVideo: %dx%d (pitch %d)\n", width, height,
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@ -1580,39 +1625,71 @@ I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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CompareOverlay(pI830, (CARD32 *) overlay, 0x100);
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#endif
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switch (pI830->rotation) {
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{
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float best_coverage = 0.0;
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float coverage;
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int c;
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xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
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crtc = NULL;
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for (c = 0; c < xf86_config->num_crtc; c++)
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{
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xf86CrtcPtr this_crtc = xf86_config->crtc[c];
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coverage = I830CrtcVideoCoverage (this_crtc, dstBox);
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if (coverage)
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{
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if (this_crtc == pPriv->desired_crtc)
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{
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crtc = this_crtc;
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best_coverage = 1.0;
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}
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else if (coverage > best_coverage)
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{
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crtc = this_crtc;
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best_coverage = coverage;
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}
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}
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}
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if (crtc != pPriv->current_crtc)
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{
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pPriv->current_crtc = crtc;
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I830ResetVideo (pScrn);
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}
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}
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switch (crtc->rotation & 0xf) {
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case RR_Rotate_0:
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dstBox->x1 -= pScrn->frameX0;
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dstBox->x2 -= pScrn->frameX0;
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dstBox->y1 -= pScrn->frameY0;
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dstBox->y2 -= pScrn->frameY0;
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dstBox->x1 -= crtc->x;
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dstBox->x2 -= crtc->x;
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dstBox->y1 -= crtc->y;
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dstBox->y2 -= crtc->y;
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break;
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case RR_Rotate_90:
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tmp = dstBox->x1;
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dstBox->x1 = dstBox->y1 - pScrn->frameX0;
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dstBox->y1 = pScrn->virtualY - tmp - pScrn->frameY0;
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dstBox->x1 = dstBox->y1 - crtc->x;
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dstBox->y1 = pScrn->virtualY - tmp - crtc->y;
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tmp = dstBox->x2;
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dstBox->x2 = dstBox->y2 - pScrn->frameX0;
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dstBox->y2 = pScrn->virtualY - tmp - pScrn->frameY0;
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dstBox->x2 = dstBox->y2 - crtc->x;
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dstBox->y2 = pScrn->virtualY - tmp - crtc->y;
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tmp = dstBox->y1;
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dstBox->y1 = dstBox->y2;
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dstBox->y2 = tmp;
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break;
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case RR_Rotate_180:
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tmp = dstBox->x1;
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dstBox->x1 = pScrn->virtualX - dstBox->x2 - pScrn->frameX0;
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dstBox->x2 = pScrn->virtualX - tmp - pScrn->frameX0;
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dstBox->x1 = pScrn->virtualX - dstBox->x2 - crtc->x;
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dstBox->x2 = pScrn->virtualX - tmp - crtc->x;
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tmp = dstBox->y1;
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dstBox->y1 = pScrn->virtualY - dstBox->y2 - pScrn->frameY0;
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dstBox->y2 = pScrn->virtualY - tmp - pScrn->frameY0;
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dstBox->y1 = pScrn->virtualY - dstBox->y2 - crtc->y;
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dstBox->y2 = pScrn->virtualY - tmp - crtc->y;
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break;
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case RR_Rotate_270:
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tmp = dstBox->x1;
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dstBox->x1 = pScrn->virtualX - dstBox->y1 - pScrn->frameX0;
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dstBox->y1 = tmp - pScrn->frameY0;
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dstBox->x1 = pScrn->virtualX - dstBox->y1 - crtc->x;
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dstBox->y1 = tmp - crtc->y;
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tmp = dstBox->x2;
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dstBox->x2 = pScrn->virtualX - dstBox->y2 - pScrn->frameX0;
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dstBox->y2 = tmp - pScrn->frameY0;
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dstBox->x2 = pScrn->virtualX - dstBox->y2 - crtc->x;
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dstBox->y2 = tmp - crtc->y;
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tmp = dstBox->x1;
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dstBox->x1 = dstBox->x2;
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dstBox->x2 = tmp;
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@ -1642,7 +1719,7 @@ I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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offset_x = (offset_x + 3) & ~3;
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offset_y = (offset_y + 3) & ~3;
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if (pI830->rotation & (RR_Rotate_90 | RR_Rotate_270)) {
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if (crtc->rotation & (RR_Rotate_90 | RR_Rotate_270)) {
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height -= offset_x;
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width -= offset_y;
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} else {
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@ -1670,7 +1747,7 @@ I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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}
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}
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if (pI830->rotation & (RR_Rotate_90 | RR_Rotate_270)) {
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if (crtc->rotation & (RR_Rotate_90 | RR_Rotate_270)) {
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tmp = width;
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width = height;
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height = tmp;
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@ -1696,6 +1773,7 @@ I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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* in case an LFP is in use and it's not at it's native resolution.
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*/
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int vactive = I830CrtcPipe (pPriv->current_crtc) ? (INREG(VTOTAL_B) & 0x7FF) : (INREG(VTOTAL_A) & 0x7FF);
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int hactive = pPriv->current_crtc->mode.HDisplay;
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vactive += 1;
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@ -1705,16 +1783,16 @@ I830DisplayVideo(ScrnInfoPtr pScrn, int id, short width, short height,
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if (dstBox->x2 < 0) dstBox->x2 = 0;
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if (dstBox->y1 > vactive) dstBox->y1 = vactive;
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if (dstBox->y2 > vactive) dstBox->y2 = vactive;
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if (dstBox->x1 > pScrn->currentMode->HDisplay) dstBox->x1 = pScrn->currentMode->HDisplay - 1;
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if (dstBox->x2 > pScrn->currentMode->HDisplay) dstBox->x2 = pScrn->currentMode->HDisplay - 1;
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if (dstBox->x1 > hactive) dstBox->x1 = hactive;
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if (dstBox->x2 > hactive) dstBox->x2 = hactive;
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/* nothing do to */
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if ((!dstBox->x1 && !dstBox->x2) || (!dstBox->y1 && !dstBox->y2)) {
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OVERLAY_DEBUG("NOTHING TO DO\n");
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return;
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}
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if ((dstBox->x1 == (pScrn->currentMode->HDisplay - 1) &&
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dstBox->x2 == (pScrn->currentMode->HDisplay - 1)) ||
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if ((dstBox->x1 == (hactive) &&
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dstBox->x2 == (hactive)) ||
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(dstBox->y1 == vactive &&
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dstBox->y2 == vactive)) {
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OVERLAY_DEBUG("NOTHING TO DO\n");
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