Initially populate the lg3d branch with lg3d code.lg3d-dev-0-6-latest

1 files changed, 0 insertions, 505 deletions

diff --git a/hw/kdrive/via/viadraw.c b/hw/kdrive/via/viadraw.c
deleted file mode 100644
index 6f0931463..000000000
--- a/hw/kdrive/via/viadraw.c
+++ /dev/null
@@ -1,505 +0,0 @@
-/*
- * Copyright © 2004 Ralph Thomas
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Ralph Thomas not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Ralph Thomas makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * RALPH THOMAS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL RALPH THOMAS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-/*
-** VIA CLE266 driver
-** Copyright 2004 (C) Ralph Thomas <ralpht@gmail.com>
-**
-** http://www.viatech.com.tw/
-**
-** This code is for accelerated drawing of solids and accelerated
-** copies. Note that there is currently no software FIFO implemented,
-** and no documentation on any hardware FIFO.
-*/
-
-#include "via.h"
-#include "viadraw.h"
-#include "via_regs.h"
-#include <sched.h>
-
-/*
-** A global to contain card information between calls into this file.
-** XXX: This is totally brain-damaged. Why don't I get the information
-**      I want in viaSolid/viaCopy/viaDoneXXX?
-*/
-static ViaCardInfo* card;
-
-/*
-** Translation table from GC raster operation values into ROP3 values
-** that the VIA chip understands.
-**
-** viaPatternRop is used by viaPrepareSolid.
-** viaCopyRop is used by viaPrepareCopy.
-*/
-CARD8 viaPatternRop[16] = {
-	/* GXclear      */	0x00,	/* ROP_0	0 */
-	/* GXand        */	0xA0,	/* ROP_DPa	src AND dst */
-	/* GXandReverse */	0x50,	/* ROP_PDna	src AND NOT dst */
-	/* GXcopy       */	0xF0,	/* ROP_P	src */
-	/* GXandInverted*/	0x0A,	/* ROP_DPna	NOT src AND dst */
-	/* GXnoop       */	0xAA,	/* ROP_D	dst */
-	/* GXxor        */	0x5A,	/* ROP_DPx	src XOR dst */
-	/* GXor         */	0xFA,	/* ROP_DPo	src OR dst */
-	/* GXnor        */	0x05,	/* ROP_DPon	NOT src AND NOT dst */
-	/* GXequiv      */	0xA5,	/* ROP_PDxn	NOT src XOR dst */
-	/* GXinvert     */	0x55,	/* ROP_Dn	NOT dst */
-	/* GXorReverse  */	0xF5,	/* ROP_PDno	src OR NOT dst */
-	/* GXcopyInverted*/	0x0F, 	/* ROP_Pn	NOT src */
-	/* GXorInverted */	0xAF,	/* ROP_DPno	NOT src OR dst */
-	/* GXnand       */	0x5F,	/* ROP_DPan	NOT src OR NOT dst */
-	/* GXset        */	0xFF,	/* ROP_1	1 */
-};
-
-CARD8 viaCopyRop[16] = {
-	/* GXclear	*/	0x00,	/* ROP_0	0 */
-	/* GXand	*/	0x88,	/* ROP_DSa	src AND dst */
-	/* GXandReverse	*/	0x44,	/* ROP_SDna	src AND NOT dst */
-	/* GXcopy	*/	0xCC,	/* ROP_S	src */
-	/* GXandInverted*/	0x22,	/* ROP_DSna	NOT src AND dst */
-	/* GXnoop	*/	0xAA,	/* ROP_D	dst */
-	/* GXxor	*/	0x66,	/* ROP_DSx	src XOR dst */
-	/* GXor		*/	0xEE,	/* ROP_DSo	src OR dst */
-	/* GXnor	*/	0x11,	/* ROP_DSon	NOT src AND NOT dst */
-	/* GXequiv	*/	0x99,	/* ROP_DSxn	NOT src XOR dst */
-	/* GXinvert	*/	0x55,	/* ROP_Dn	NOT dst */
-	/* GXorReverse	*/	0xDD,	/* ROP_SDno	src OR NOT dst */
-	/* GXcopyInverted*/	0x33,	/* ROP_Sn	NOT src */
-	/* GXorInverted	*/	0xBB,	/* ROP_DSno	NOT src OR dst */
-	/* GXnand	*/	0x77,	/* ROP_DSan	NOT src OR NOT dst */
-	/* GXset	*/	0xFF,	/* ROP_1	1 */
-};
-
-/*
-** void viaWaitIdle( ViaCardInfo* viac )
-**
-** Description:
-**	Block up the CPU while waiting for the last command sent to
-**	the chip to complete. As an experiment I'm going to try to
-**	yield my process to others instead of just tight looping.
-**
-** Arguments:
-**	viac	VIA-driver specific chip information
-**
-** Return:
-**	None.
-*/
-void
-viaWaitIdle( ViaCardInfo* viac ) {
-	while( INREG32( VIA_REG_STATUS ) & VIA_BUSY )
-		sched_yield();
-}
-
-/*
-** Bool viaPrepareSolid( PixmapPtr pPixmap, int alu, Pixel planemask, Pixel fg )
-**
-** Description:
-**	Decide if the specified solid fill operation can be accelerated or not,
-**	and if the fill can be accelerated, prepare the hardware for doing it.
-**
-** Arguments:
-**	pPixmap		Pixmap to draw solid into.
-**	alu		Raster operation to draw using, these are the same
-**			values which get set by XSetFunction(3X). See the
-**			Xlib PM p. 140 for a list of raster operations as
-**			well as descriptions.
-**	planemask	This is the GC plane mask. We only copy bits which
-**			match the plane mask.
-**	fg		The foreground pixel of the GC, the pixel to draw in.
-**
-** Return:
-**	TRUE	This operation can be accelerated, call viaSolid to actually
-**		have it drawn.
-**	FALSE	This operation cannot be accelerated, fall back to software.
-**
-** See Also:
-**	viaSolid - the function which actually draws the solid.
-*/
-static Bool
-viaPrepareSolid( PixmapPtr pPixmap, int alu, Pixel planeMask, Pixel fg ) {
-	ScreenPtr pScreen = pPixmap->drawable.pScreen;
-	KdScreenPriv( pScreen );
-	ViaCardInfo* viac = pScreenPriv->card->driver;
-
-	/*
-	** We don't accelerate when the plane mask is not everything.
-	*/
-	if( ~planeMask & FbFullMask( pPixmap->drawable.depth ) ) return FALSE;
-
-	/*
-	** Compose the command, then store the composed command and color
-	** in the viac structure so that when viaSolid gets called we can
-	** write them out.
-	*/
-	viac->savedCommand = VIA_GEC_BLT | VIA_GEC_FIXCOLOR_PAT |
-			     (viaPatternRop[alu]  << 24); 
-	viac->savedFgColor = fg;
-
-	/*
-	** Store pointer to chip information, due to brain-damaged KAA.
-	*/
-	card = viac;
-
-	return TRUE;
-}
-
-/*
-** void viaSolid( int x1, int y1, int x2, int y2 )
-**
-** Description:
-**	Perform a solid fill, using the data that was stored by viaPrepareSolid.
-**
-** Arguments:
-**	x1	x-coordinate of fill origin
-**	y1	y-coordinate of fill origin
-**	x2	x-coordinate of fill end point
-**	y2	y-coordinate of fill end point
-**
-** Return:
-**	None.
-**
-** See Also:
-**	viaPrepareSolid - the function that composes the GE command and saves
-**			  the color for us.
-*/
-static void
-viaSolid( int x1, int y1, int x2, int y2 ) {
-	ViaCardInfo* viac = card;
-	int w = x2 - x1; int h = y2 - y1;
-
-	if( !viac ) return;
-	if( !w || !h ) return;
-
-	/*
-	** Wait for the card to finish the current draw.
-	*/
-	viaWaitIdle( viac );
-
-	/*
-	** Do the draw.
-	*/
-	OUTREG32( VIA_REG_DSTPOS, ((y1 << 16) | x1) );
-	OUTREG32( VIA_REG_DIMENSION, (((h - 1) << 16) | (w - 1)) );
-	OUTREG32( VIA_REG_FGCOLOR, viac->savedFgColor );
-	OUTREG32( VIA_REG_GECMD, viac->savedCommand );
-}
-
-/*
-** void viaDoneSolid
-**
-** Description:
-**	Finish up drawing of the solid.
-**
-** Arguments:
-**	None.
-**
-** Return:
-**	None.
-*/
-static void
-viaDoneSolid() {
-	;
-}
-
-/*
-** Bool viaPrepareCopy( PixmapPtr pSrcPixmap, PixmapPtr pDestPixmap, int dx,
-**			int dy, int alu, Pixel planeMask )
-**
-** Description:
-**	Set up the VIA chip for a BitBlt.
-**
-** Arguments:
-**	pSrcPixmap	the source pixmap to copy from
-**	pDestPixmap	the destination pixmap to copy to
-**	dx		direction of copy in x
-**	dy		direction of copy in y
-**	alu		Raster operation to draw using, these are the same
-**			values which get set by XSetFunction(3X). See the
-**			Xlib PM p. 140 for a list of raster operations as
-**			well as descriptions.
-**	planeMask	This is the GC plane mask. We only copy bits which
-**			match the plane mask.
-**
-** Return:
-**	TRUE	the requested copy operation can be accelerated using hardware,
-**		call viaCopy next.
-**	FALSE	the requested copy operation cannot be accelerated using
-**		hardware - fallback to software.
-**
-** See Also:
-**	viaCopy	- the function which does the actual copy.
-*/
-static Bool
-viaPrepareCopy( PixmapPtr pSrcPixmap, PixmapPtr pDestPixmap, int dx, int dy,
-		int alu, Pixel planeMask ) {
-	ScreenPtr pScreen = pDestPixmap->drawable.pScreen;
-	KdScreenPriv( pScreen );
-	ViaCardInfo* viac = pScreenPriv->card->driver;
-
-	/*
-	** Don't accelerate when the plane mask is set.
-	*/
-	if( ~planeMask & FbFullMask( pDestPixmap->drawable.depth ) ) return FALSE;
-
-	viac->savedCommand = VIA_GEC_BLT | (viaCopyRop[alu] << 24);
-
-	if( dx < 0 ) viac->savedCommand |= VIA_GEC_DECX;
-	if( dy < 0 ) viac->savedCommand |= VIA_GEC_DECY;
-
-	/*
-	** Store pointer to chip structure, due to brain-damaged KAA.
-	*/
-	card = viac;
-
-	return TRUE;
-}
-
-/*
-** void viaCopy( int srcX, int srcY, int dstX, int dstY, int w, int h )
-**
-** Description:
-**	Perform a BitBlt from one screen area to another.
-**
-** Arguments:
-**	srcX	source x-coordinate
-**	srcY	source y-coordinate
-**	dstX	destination x-coordinate
-**	dstY	destination y-coordinate
-**	w	width of area to copy (pixels)
-**	h	height of area to copy (pixels)
-**
-** Return:
-**	None.
-**
-** See Also:
-**	viaPrepareCopy	- the function which sets up for the copy.
-*/
-static void
-viaCopy( int srcX, int srcY, int dstX, int dstY, int w, int h ) {
-	ViaCardInfo* viac = card;
-
-	if( !viac ) return;
-	if( !w | !h ) return;
-
-	/*
-	** XXX: Check these two "if"s out.
-	*/
-	if( viac->savedCommand & VIA_GEC_DECX ) {
-		srcX += ( w - 1 );
-		dstX += ( w - 1 );
-	}
-
-	if( viac->savedCommand & VIA_GEC_DECY ) {
-		srcY += ( h - 1 );
-		dstY += ( h - 1 );
-	}
-
-	OUTREG32( VIA_REG_SRCPOS, ((srcY << 16) | srcX) );
-	OUTREG32( VIA_REG_DSTPOS, ((dstY << 16) | dstX) );
-	OUTREG32( VIA_REG_DIMENSION, (((h - 1) << 16) | (w - 1)) );
-	OUTREG32( VIA_REG_GECMD, viac->savedCommand );
-}
-
-/*
-** void viaDoneCopy()
-**
-** Description:
-**	Finish up the copy.
-**
-** Arguments:
-**	None.
-**
-** Return:
-**	None.
-*/
-static void
-viaDoneCopy() {
-	;
-}
-
-/*
-** viaKaa structure
-**
-** Description:
-**	Structure to contain function pointers to accelerated KAA operations
-**	in this driver.
-*/
-KaaScreenInfoRec viaKaa = {
-	viaPrepareSolid,
-	viaSolid,
-	viaDoneSolid,
-
-	viaPrepareCopy,
-	viaCopy,
-	viaDoneCopy,
-};
-
-/*
-** Bool viaDrawInit( ScreenPtr pScreen )
-**
-** Description:
-**	Initialize the 2D acceleration hardware and register the KAA
-**	acceleration layer with the VIA acceleration functions (above).
-**
-** Arguments:
-**	pScreen		Pointer to screen structure for the screen we're
-**			enabling acceleration on.
-**
-** Return:
-**	TRUE	initialization and setup of KAA acceleration was successful.
-**	FALSE	initialization and setup of KAA acceleration failed.
-*/
-Bool
-viaDrawInit( ScreenPtr pScreen ) {
-	KdScreenPriv( pScreen );
-	ViaCardInfo* viac = pScreenPriv->card->driver;
-	CARD32 geMode = 0;
-
-	if( !viac ) return FALSE;
-	DebugF( "viac->mapBase = 0x%x\n", viac->mapBase );
-
-	/*
-	** We reset the 2D engine to a known state by setting all of it's
-	** registers to zero.
-	*/
-	OUTREG32( VIA_REG_GEMODE, 0x0 );
-	OUTREG32( VIA_REG_SRCPOS, 0x0 );
-	OUTREG32( VIA_REG_DSTPOS, 0x0 );
-	OUTREG32( VIA_REG_DIMENSION, 0x0 );
-	OUTREG32( VIA_REG_PATADDR, 0x0 );
-	OUTREG32( VIA_REG_FGCOLOR, 0x0 );
-	OUTREG32( VIA_REG_BGCOLOR, 0x0 );
-	OUTREG32( VIA_REG_CLIPTL, 0x0 );
-	OUTREG32( VIA_REG_CLIPBR, 0x0 );
-	OUTREG32( VIA_REG_OFFSET, 0x0 );
-	OUTREG32( VIA_REG_KEYCONTROL, 0x0 );
-	OUTREG32( VIA_REG_SRCBASE, 0x0 );
-	OUTREG32( VIA_REG_DSTBASE, 0x0 );
-	OUTREG32( VIA_REG_PITCH, 0x0 );
-	OUTREG32( VIA_REG_MONOPAT0, 0x0 );
-	OUTREG32( VIA_REG_MONOPAT1, 0x0 );
-
-	/*
-	** Set the GE mode up.
-	** XXX: What happens in 24bpp mode?
-	*/
-	switch( pScreenPriv->screen->fb[0].bitsPerPixel ) {
-	  case 16:
-		geMode = VIA_GEM_16bpp;
-		break;
-	  case 32:
-		geMode = VIA_GEM_32bpp;
-		break;
-	  default:
-		geMode = VIA_GEM_8bpp;
-		break;
-	}
-
-	OUTREG32( VIA_REG_GEMODE, geMode );
-
-	/*
-	** Set the source and destination base addresses, and set pitch.
-	*/
-	OUTREG32( VIA_REG_SRCBASE, 0x0 );
-	OUTREG32( VIA_REG_DSTBASE, 0x0 );
-	OUTREG32( VIA_REG_PITCH, VIA_PITCH_ENABLE |
-	       ((pScreen->width * pScreenPriv->screen->fb[0].bitsPerPixel >> 3) >> 3) |
-               (((pScreen->width * pScreenPriv->screen->fb[0].bitsPerPixel >> 3) >> 3) << 16));
-
-	DebugF( "Initialized 2D engine!\n" );
-
-	return kaaDrawInit( pScreen, &viaKaa );
-}
-
-/*
-** void viaDrawEnable( ScreenPtr pScreen )
-**
-** Description:
-**	Enable accelerated drawing on the specified screen.
-**
-** Arguments:
-**	pScreen		Pointer to screen structure for the screen we're
-**			enabling acceleration on.
-**
-** Return:
-**	None.
-*/
-void
-viaDrawEnable( ScreenPtr pScreen ) {
-	KdMarkSync( pScreen );
-}
-
-/*
-** void viaDrawDisable( ScreenPtr pScreen )
-**
-** Description:
-**	Disable accelerated drawing to the specified screen.
-**
-** Arguments:
-**	pScreen		Pointer to screen structure for the screen we're
-**			disabling acceleration on.
-**
-** Return:
-**	None
-*/
-void
-viaDrawDisable( ScreenPtr pScreen ) {
-}
-
-/*
-** void viaDrawFini( ScreenPtr pScreen )
-**
-** Description:
-**	Shutdown accelerated drawing and free associated strucures and
-**	resources.
-**
-** Arguments:
-**	pScreen		Pointer to screen structure for the screen we're
-**			disabling acceleration on.
-**
-** Return:
-**	None.
-*/
-void
-viaDrawFini( ScreenPtr pScreen ) {
-}
-
-/*
-** void viaDrawSync( ScreenPtr pScreen )
-**
-** Description:
-**	Block until the graphics chip has finished all outstanding drawing
-**	operations and the framebuffer contents is static.
-**
-** Arguments:
-**	pScreen		Pointer to screen strucutre for the screen we're
-**			waiting for drawing to end on.
-**
-** Return:
-**	None.
-*/
-void
-viaDrawSync( ScreenPtr pScreen ) {
-	KdScreenPriv( pScreen );
-	ViaCardInfo* viac = pScreenPriv->card->driver;
-
-	viaWaitIdle( viac );
-}
-