radeon_accelfuncs.c

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FUNC_NAME(RADEONSetupForScanlineImageWrite)(ScrnInfoPtr pScrn,
					    int rop,
					    unsigned int planemask,
					    int trans_color,
					    int bpp,
					    int depth)
{
    RADEONInfoPtr  info = RADEONPTR(pScrn);
    ACCEL_PREAMBLE();

    info->scanline_bpp = bpp;

    /* Save for later clipping */
    info->dp_gui_master_cntl_clip = (info->dp_gui_master_cntl
				     | RADEON_GMC_DST_CLIPPING
				     | RADEON_GMC_BRUSH_NONE
				     | RADEON_GMC_SRC_DATATYPE_COLOR
				     | RADEON_ROP[rop].rop
				     | RADEON_GMC_BYTE_MSB_TO_LSB
				     | RADEON_DP_SRC_SOURCE_HOST_DATA);

#ifdef ACCEL_MMIO

#if X_BYTE_ORDER == X_LITTLE_ENDIAN
    BEGIN_ACCEL(2);
#else
    BEGIN_ACCEL(3);

    if (bpp == 16)
	OUT_ACCEL_REG(RADEON_RBBM_GUICNTL,   RADEON_HOST_DATA_SWAP_16BIT);
    else if (bpp == 32)
	OUT_ACCEL_REG(RADEON_RBBM_GUICNTL,   RADEON_HOST_DATA_SWAP_32BIT);
    else
	OUT_ACCEL_REG(RADEON_RBBM_GUICNTL,   RADEON_HOST_DATA_SWAP_NONE);
#endif
    OUT_ACCEL_REG(RADEON_DP_GUI_MASTER_CNTL, info->dp_gui_master_cntl_clip);

#else /* ACCEL_CP */

#if X_BYTE_ORDER == X_LITTLE_ENDIAN
    BEGIN_ACCEL(1);
#else
    if (info->ChipFamily < CHIP_FAMILY_R300) {
        BEGIN_ACCEL(2);

	if (bpp == 16)
	    OUT_ACCEL_REG(RADEON_RBBM_GUICNTL,   RADEON_HOST_DATA_SWAP_HDW);
	else
	    OUT_ACCEL_REG(RADEON_RBBM_GUICNTL,   RADEON_HOST_DATA_SWAP_NONE);
    } else
	BEGIN_ACCEL(1);
#endif
#endif
    OUT_ACCEL_REG(RADEON_DP_WRITE_MASK,      planemask);

    FINISH_ACCEL();

    info->trans_color = trans_color;
    FUNC_NAME(RADEONSetTransparency)(pScrn, trans_color);
}

/* Subsequent XAA indirect image write. This is only called once for
 * each rectangle.
 */
static void
FUNC_NAME(RADEONSubsequentScanlineImageWriteRect)(ScrnInfoPtr pScrn,
						  int x, int y,
						  int w, int h,
						  int skipleft)
{
    RADEONInfoPtr  info = RADEONPTR(pScrn);

#ifdef ACCEL_MMIO

    int            shift = 0; /* 32bpp */
    ACCEL_PREAMBLE();

    if (pScrn->bitsPerPixel == 8) shift = 3;
    else if (pScrn->bitsPerPixel == 16) shift = 1;

    info->scanline_h      = h;
    info->scanline_words  = (w * info->scanline_bpp + 31) >> 5;

#ifdef __alpha__
    /* Always use indirect for Alpha */
    if (0)
#else
    if ((info->scanline_words * h) <= 9)
#endif
    {
	/* Turn on direct for less than 9 dword colour expansion */
	info->scratch_buffer[0]
	    = (unsigned char *)(ADDRREG(RADEON_HOST_DATA_LAST)
				- (info->scanline_words - 1));
	info->scanline_direct = 1;
    } else {
	/* Use indirect for anything else */
	info->scratch_buffer[0] = info->scratch_save;
	info->scanline_direct = 0;
    }

    BEGIN_ACCEL(5 + (info->scanline_direct ?
		     (info->scanline_words * h) : 0));

    OUT_ACCEL_REG(RADEON_DST_PITCH_OFFSET, info->dst_pitch_offset |
    	((info->tilingEnabled && (y <= pScrn->virtualY)) ? RADEON_DST_TILE_MACRO : 0));
    OUT_ACCEL_REG(RADEON_SC_TOP_LEFT,      (y << 16)     | ((x+skipleft)
							    & 0xffff));
    OUT_ACCEL_REG(RADEON_SC_BOTTOM_RIGHT,  ((y+h) << 16) | ((x+w) & 0xffff));
    OUT_ACCEL_REG(RADEON_DST_Y_X,          (y << 16)     | (x & 0xffff));
    /* Have to pad the width here and use clipping engine */
    OUT_ACCEL_REG(RADEON_DST_HEIGHT_WIDTH, (h << 16)     | ((w + shift) &
							    ~shift));

    FINISH_ACCEL();

#else /* ACCEL_CP */

    int  pad = 0; /* 32bpp */

    if (pScrn->bitsPerPixel == 8)       pad = 3;
    else if (pScrn->bitsPerPixel == 16) pad = 1;

    info->scanline_x      = x;
    info->scanline_y      = y;
    /* Have to pad the width here and use clipping engine */
    info->scanline_w      = (w + pad) & ~pad;
    info->scanline_h      = h;

    info->scanline_x1clip = x + skipleft;
    info->scanline_x2clip = x + w;

    info->scanline_words  = (w * info->scanline_bpp + 31) / 32;
    info->scanline_hpass  = min(h,(CP_BUFSIZE/info->scanline_words));

    RADEONCPScanlinePacket(pScrn, 0);

#endif
}

/* Set up the clipping rectangle */
static void
FUNC_NAME(RADEONSetClippingRectangle)(ScrnInfoPtr pScrn,
				      int xa, int ya,
				      int xb, int yb)
{
    RADEONInfoPtr  info = RADEONPTR(pScrn);
    unsigned long  tmp1 = 0;
    unsigned long  tmp2 = 0;
    ACCEL_PREAMBLE();

    if (xa < 0) {
	tmp1 = (-xa) & 0x3fff;
	tmp1 |= RADEON_SC_SIGN_MASK_LO;
    } else {
	tmp1 = xa;
    }

    if (ya < 0) {
	tmp1 |= (((-ya) & 0x3fff) << 16);
	tmp1 |= RADEON_SC_SIGN_MASK_HI;
    } else {
	tmp1 |= (ya << 16);
    }

    xb++; yb++;

    if (xb < 0) {
	tmp2 = (-xb) & 0x3fff;
	tmp2 |= RADEON_SC_SIGN_MASK_LO;
    } else {
	tmp2 = xb;
    }

    if (yb < 0) {
	tmp2 |= (((-yb) & 0x3fff) << 16);
	tmp2 |= RADEON_SC_SIGN_MASK_HI;
    } else {
	tmp2 |= (yb << 16);
    }

    BEGIN_ACCEL(3);

    OUT_ACCEL_REG(RADEON_DP_GUI_MASTER_CNTL, (info->dp_gui_master_cntl_clip
					      | RADEON_GMC_DST_CLIPPING));
    OUT_ACCEL_REG(RADEON_SC_TOP_LEFT,        tmp1);
    OUT_ACCEL_REG(RADEON_SC_BOTTOM_RIGHT,    tmp2);

    FINISH_ACCEL();

    FUNC_NAME(RADEONSetTransparency)(pScrn, info->trans_color);
}

/* Disable the clipping rectangle */
static void
FUNC_NAME(RADEONDisableClipping)(ScrnInfoPtr pScrn)
{
    RADEONInfoPtr info  = RADEONPTR(pScrn);
    ACCEL_PREAMBLE();

    BEGIN_ACCEL(3);

    OUT_ACCEL_REG(RADEON_DP_GUI_MASTER_CNTL, info->dp_gui_master_cntl_clip);
    OUT_ACCEL_REG(RADEON_SC_TOP_LEFT,        0);
    OUT_ACCEL_REG(RADEON_SC_BOTTOM_RIGHT,    (RADEON_DEFAULT_SC_RIGHT_MAX |
					      RADEON_DEFAULT_SC_BOTTOM_MAX));

    FINISH_ACCEL();

    FUNC_NAME(RADEONSetTransparency)(pScrn, info->trans_color);
}

void
FUNC_NAME(RADEONAccelInit)(ScreenPtr pScreen, XAAInfoRecPtr a)
{
    ScrnInfoPtr    pScrn = xf86Screens[pScreen->myNum];
    RADEONInfoPtr  info  = RADEONPTR(pScrn);

    a->Flags                            = (PIXMAP_CACHE
					   | OFFSCREEN_PIXMAPS
					   | LINEAR_FRAMEBUFFER);

				/* Sync */
    a->Sync                             = FUNC_NAME(RADEONWaitForIdle);

				/* Solid Filled Rectangle */
    a->PolyFillRectSolidFlags           = 0;
    a->SetupForSolidFill
	= FUNC_NAME(RADEONSetupForSolidFill);
    a->SubsequentSolidFillRect
	= FUNC_NAME(RADEONSubsequentSolidFillRect);

				/* Screen-to-screen Copy */
    a->ScreenToScreenCopyFlags          = 0;
    a->SetupForScreenToScreenCopy
	= FUNC_NAME(RADEONSetupForScreenToScreenCopy);
    a->SubsequentScreenToScreenCopy
	= FUNC_NAME(RADEONSubsequentScreenToScreenCopy);

				/* Mono 8x8 Pattern Fill (Color Expand) */
    a->SetupForMono8x8PatternFill
	= FUNC_NAME(RADEONSetupForMono8x8PatternFill);
    a->SubsequentMono8x8PatternFillRect
	= FUNC_NAME(RADEONSubsequentMono8x8PatternFillRect);
    a->Mono8x8PatternFillFlags          = (HARDWARE_PATTERN_PROGRAMMED_BITS
					   | HARDWARE_PATTERN_PROGRAMMED_ORIGIN
					   | HARDWARE_PATTERN_SCREEN_ORIGIN);

#if X_BYTE_ORDER == X_LITTLE_ENDIAN
    if (info->ChipFamily >= CHIP_FAMILY_RV200)
	a->Mono8x8PatternFillFlags |= BIT_ORDER_IN_BYTE_MSBFIRST;
    else
	a->Mono8x8PatternFillFlags |= BIT_ORDER_IN_BYTE_LSBFIRST;
#else
    a->Mono8x8PatternFillFlags |= BIT_ORDER_IN_BYTE_LSBFIRST;
#endif

				/* Indirect CPU-To-Screen Color Expand */

    /* RADEON gets upset, when using HOST provided data without a source
       rop.  To show run 'xtest's drwarc. */
    a->ScanlineCPUToScreenColorExpandFillFlags
	= (LEFT_EDGE_CLIPPING
	   | ROP_NEEDS_SOURCE
	   | LEFT_EDGE_CLIPPING_NEGATIVE_X);
    a->NumScanlineColorExpandBuffers    = 1;
    a->ScanlineColorExpandBuffers       = info->scratch_buffer;
    if (!info->scratch_save)
	info->scratch_save
	    = xalloc(((pScrn->virtualX+31)/32*4)
		     + (pScrn->virtualX * info->CurrentLayout.pixel_bytes));
    info->scratch_buffer[0]             = info->scratch_save;
    a->SetupForScanlineCPUToScreenColorExpandFill
	= FUNC_NAME(RADEONSetupForScanlineCPUToScreenColorExpandFill);
    a->SubsequentScanlineCPUToScreenColorExpandFill
	= FUNC_NAME(RADEONSubsequentScanlineCPUToScreenColorExpandFill);
    a->SubsequentColorExpandScanline
        = FUNC_NAME(RADEONSubsequentScanline);

				/* Solid Lines */
    a->SetupForSolidLine
	= FUNC_NAME(RADEONSetupForSolidLine);
    a->SubsequentSolidHorVertLine
	= FUNC_NAME(RADEONSubsequentSolidHorVertLine);

#ifdef XFree86LOADER
    if (info->xaaReq.minorversion >= 1) {
#endif

    /* RADEON only supports 14 bits for lines and clipping and only
     * draws lines that are completely on-screen correctly.  This will
     * cause display corruption problem in the cases when out-of-range
     * commands are issued, like when dimming screen during GNOME logout
     * in dual-head setup.  Solid and dashed lines are therefore limited
     * to the virtual screen.
     */

    a->SolidLineFlags = LINE_LIMIT_COORDS;
    a->SolidLineLimits.x1 = 0;
    a->SolidLineLimits.y1 = 0;
    a->SolidLineLimits.x2 = pScrn->virtualX-1;
    a->SolidLineLimits.y2 = pScrn->virtualY-1;

    /* Call miSetZeroLineBias() to have mi/mfb/fb routines match
       hardware accel two point lines */
    miSetZeroLineBias(pScreen, (OCTANT5 | OCTANT6 | OCTANT7 | OCTANT8));

    a->SubsequentSolidTwoPointLine
	= FUNC_NAME(RADEONSubsequentSolidTwoPointLine);

    /* Disabled on RV200 and newer because it does not pass XTest */
    if (info->ChipFamily < CHIP_FAMILY_RV200) {
	a->SetupForDashedLine
	    = FUNC_NAME(RADEONSetupForDashedLine);
	a->SubsequentDashedTwoPointLine
	    = FUNC_NAME(RADEONSubsequentDashedTwoPointLine);
	a->DashPatternMaxLength         = 32;
	/* ROP3 doesn't seem to work properly for dashedline with GXinvert */
	a->DashedLineFlags              = (LINE_PATTERN_LSBFIRST_LSBJUSTIFIED
					   | LINE_PATTERN_POWER_OF_2_ONLY
					   | LINE_LIMIT_COORDS
					   | ROP_NEEDS_SOURCE);
	a->DashedLineLimits.x1 = 0;
	a->DashedLineLimits.y1 = 0;
	a->DashedLineLimits.x2 = pScrn->virtualX-1;
	a->DashedLineLimits.y2 = pScrn->virtualY-1;
    }

#ifdef XFree86LOADER
    } else {
	xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
		   "libxaa too old, can't accelerate TwoPoint lines\n");
    }
#endif

    /* Clipping, note that without this, all line accelerations will
     * not be called
     */
    a->SetClippingRectangle
	= FUNC_NAME(RADEONSetClippingRectangle);
    a->DisableClipping
	= FUNC_NAME(RADEONDisableClipping);
    a->ClippingFlags
	= (HARDWARE_CLIP_SOLID_LINE
	   | HARDWARE_CLIP_DASHED_LINE
	/* | HARDWARE_CLIP_SOLID_FILL -- seems very slow with this on */
	   | HARDWARE_CLIP_MONO_8x8_FILL
	   | HARDWARE_CLIP_SCREEN_TO_SCREEN_COPY);

    if (xf86IsEntityShared(info->pEnt->index)) {
	/* If there are more than one devices sharing this entity, we
	 * have to assign this call back, otherwise the XAA will be
	 * disabled
	 */
	if (xf86GetNumEntityInstances(info->pEnt->index) > 1)
	    a->RestoreAccelState        = FUNC_NAME(RADEONRestoreAccelState);
    }

				/* ImageWrite */
    a->NumScanlineImageWriteBuffers     = 1;
    a->ScanlineImageWriteBuffers        = info->scratch_buffer;
    a->SetupForScanlineImageWrite
	= FUNC_NAME(RADEONSetupForScanlineImageWrite);
    a->SubsequentScanlineImageWriteRect
	= FUNC_NAME(RADEONSubsequentScanlineImageWriteRect);
    a->SubsequentImageWriteScanline     = FUNC_NAME(RADEONSubsequentScanline);
    a->ScanlineImageWriteFlags          = (CPU_TRANSFER_PAD_DWORD
#ifdef ACCEL_MMIO
		/* Performance tests show that we shouldn't use GXcopy
		 * for uploads as a memcpy is faster
		 */
					  | NO_GXCOPY
#endif
		/* RADEON gets upset, when using HOST provided data
		 * without a source rop. To show run 'xtest's ptimg
		 */
					  | ROP_NEEDS_SOURCE
					  | SCANLINE_PAD_DWORD
					  | LEFT_EDGE_CLIPPING
					  | LEFT_EDGE_CLIPPING_NEGATIVE_X);

#if 0
				/* Color 8x8 Pattern Fill */
    a->SetupForColor8x8PatternFill
	= FUNC_NAME(RADEONSetupForColor8x8PatternFill);
    a->SubsequentColor8x8PatternFillRect
	= FUNC_NAME(RADEONSubsequentColor8x8PatternFillRect);
    a->Color8x8PatternFillFlags         = (HARDWARE_PATTERN_PROGRAMMED_ORIGIN
					   | HARDWARE_PATTERN_SCREEN_ORIGIN
					   | BIT_ORDER_IN_BYTE_LSBFIRST);
#endif

#ifdef RENDER
    if (info->RenderAccel
#ifdef XFree86LOADER
	&& info->xaaReq.minorversion >= 2
#endif
	) {

	a->CPUToScreenAlphaTextureFlags = XAA_RENDER_POWER_OF_2_TILE_ONLY;
	a->CPUToScreenAlphaTextureFormats = RADEONTextureFormats;
	a->CPUToScreenAlphaTextureDstFormats = RADEONDstFormats;
	a->CPUToScreenTextureFlags = XAA_RENDER_POWER_OF_2_TILE_ONLY;
	a->CPUToScreenTextureFormats = RADEONTextureFormats;
	a->CPUToScreenTextureDstFormats = RADEONDstFormats;

	if (IS_R300_VARIANT) {
	    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Render acceleration "
		       "unsupported on Radeon 9500/9700 and newer.\n");
	} else if ((info->ChipFamily == CHIP_FAMILY_RV250) || 
		   (info->ChipFamily == CHIP_FAMILY_RV280) || 
		   (info->ChipFamily == CHIP_FAMILY_RS300) || 
		   (info->ChipFamily == CHIP_FAMILY_R200)) {
	    a->SetupForCPUToScreenAlphaTexture2 =
		FUNC_NAME(R200SetupForCPUToScreenAlphaTexture);
	    a->SubsequentCPUToScreenAlphaTexture = 
		FUNC_NAME(R200SubsequentCPUToScreenTexture);

	    a->SetupForCPUToScreenTexture2 =
		FUNC_NAME(R200SetupForCPUToScreenTexture);
	    a->SubsequentCPUToScreenTexture =
		FUNC_NAME(R200SubsequentCPUToScreenTexture);
	} else {
	    a->SetupForCPUToScreenAlphaTexture2 =
		FUNC_NAME(R100SetupForCPUToScreenAlphaTexture);
	    a->SubsequentCPUToScreenAlphaTexture =
		FUNC_NAME(R100SubsequentCPUToScreenTexture);

	    a->SetupForCPUToScreenTexture2 =
		FUNC_NAME(R100SetupForCPUToScreenTexture);
	    a->SubsequentCPUToScreenTexture =
		FUNC_NAME(R100SubsequentCPUToScreenTexture);
	}
    } else if (info->RenderAccel) {
	xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Render acceleration currently "
		   "requires XAA v1.2 or newer.\n");
    }

    if (!a->SetupForCPUToScreenAlphaTexture2 && !a->SetupForCPUToScreenTexture2)
	info->RenderAccel = FALSE;

    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Render acceleration %s\n",
	       info->RenderAccel ? "enabled" : "disabled");
#endif /* RENDER */
}

#endif /* USE_XAA */

#undef FUNC_NAME