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Diffstat (limited to 'hw/kdrive/mga/g400_composite.c')
-rw-r--r--hw/kdrive/mga/g400_composite.c306
1 files changed, 0 insertions, 306 deletions
diff --git a/hw/kdrive/mga/g400_composite.c b/hw/kdrive/mga/g400_composite.c
deleted file mode 100644
index 11e550487..000000000
--- a/hw/kdrive/mga/g400_composite.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * $Id$
- *
- * Copyright © 2004 Damien Ciabrini
- *
- * 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 Anders Carlsson not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Anders Carlsson makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * DAMIEN CIABRINI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL ANDERS CARLSSON 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.
- */
-/* $Header$ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include "mga.h"
-#include "g400_common.h"
-
-
-static PixmapPtr currentSrc;
-static PixmapPtr currentMask;
-
-static CARD32 mgaBlendOP[14] = {
- /* Clear */
- MGA_SRC_ZERO | MGA_DST_ZERO,
- /* Src */
- MGA_SRC_ONE | MGA_DST_ZERO,
- /* Dst */
- MGA_SRC_ZERO | MGA_DST_ONE,
- /* Over */
- MGA_SRC_ALPHA | MGA_DST_ONE_MINUS_SRC_ALPHA,
- /* OverReverse */
- MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_ONE,
- /* In */
- MGA_SRC_DST_ALPHA | MGA_DST_ZERO,
- /* InReverse */
- MGA_SRC_ZERO | MGA_DST_SRC_ALPHA,
- /* Out */
- MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_ZERO,
- /* OutReverse */
- MGA_SRC_ZERO | MGA_DST_ONE_MINUS_SRC_ALPHA,
- /* Atop */
- MGA_SRC_DST_ALPHA | MGA_DST_ONE_MINUS_SRC_ALPHA,
- /* AtopReverse */
- MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_SRC_ALPHA,
- /* Xor */
- MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_ONE_MINUS_SRC_ALPHA,
- /* Add */
- MGA_SRC_ONE | MGA_DST_ONE,
- /* Saturate */
- MGA_SRC_SRC_ALPHA_SATURATE | MGA_DST_ONE
-};
-
-
-static int MGA_LOG2( int val )
-{
- int ret = 0;
-
- while (val >> ret)
- ret++;
-
- return ((1 << (ret-1)) == val) ? (ret-1) : ret;
-}
-
-
-Bool
-mgaPrepareBlend (int op,
- PicturePtr pSrcPicture,
- PicturePtr pDstPicture,
- PixmapPtr pSrc,
- PixmapPtr pDst)
-{
- return mgaPrepareComposite (op, pSrcPicture, NULL, pDstPicture,
- pSrc, NULL, pDst);
-}
-
-void
-mgaBlend (int srcX,
- int srcY,
- int dstX,
- int dstY,
- int width,
- int height)
-{
- mgaComposite (srcX, srcY, 0, 0, dstX, dstY, width, height);
-}
-
-void
-mgaDoneBlend (void)
-{
- mgaDoneComposite ();
-}
-
-
-
-static Bool
-PrepareSourceTexture (int tmu,
- PicturePtr pSrcPicture,
- PixmapPtr pSrc)
-{
- KdScreenPriv (pSrc->drawable.pScreen);
- int mem_base=(int)pScreenPriv->screen->memory_base;
- int pitch = pSrc->devKind / (pSrc->drawable.bitsPerPixel >> 3);
-
- int w = pSrc->drawable.width;
- int h = pSrc->drawable.height;
- int w_log2 = MGA_LOG2(w);
- int h_log2 = MGA_LOG2(h);
-
- int texctl=MGA_PITCHEXT | ((pitch&0x7ff)<<9) |
- MGA_TAKEY | MGA_CLAMPUV | MGA_NOPERSPECTIVE;
- int texctl2=MGA_G400_TC2_MAGIC;
-
- if ((w > 2047) || (h > 2047))
- MGA_FALLBACK(("Picture too large for composition (%dx%d)\n", w, h));
-
- switch (pSrcPicture->format) {
- case PICT_a8r8g8b8:
- case PICT_x8r8g8b8:
- case PICT_a8b8g8r8:
- case PICT_x8b8g8r8:
- texctl |= MGA_TW32;
- break;
- case PICT_r5g6b5:
- case PICT_b5g6r5:
- texctl |= MGA_TW16;
- break;
- case PICT_a8:
- texctl |= MGA_TW8A;
- break;
- default:
- MGA_FALLBACK(("unsupported Picture format for composition (%x)\n",
- pSrcPicture->format));
- }
-
- if (tmu == 1) texctl2 |= MGA_TC2_DUALTEX | MGA_TC2_SELECT_TMU1;
-
- mgaWaitAvail (6);
- MGA_OUT32 (mmio, MGA_REG_TEXCTL2, texctl2);
- MGA_OUT32 (mmio, MGA_REG_TEXCTL, texctl);
- /* Source (texture) address + pitch */
- MGA_OUT32 (mmio, MGA_REG_TEXORG, ((int)pSrc->devPrivate.ptr - mem_base));
- MGA_OUT32 (mmio, MGA_REG_TEXWIDTH, (w-1)<<18 | ((8-w_log2)&63)<<9 | w_log2);
- MGA_OUT32 (mmio, MGA_REG_TEXHEIGHT, (h-1)<<18 | ((8-h_log2)&63)<<9 | h_log2);
- /* Disable filtering since we aren't doing stretch blit */
- MGA_OUT32 (mmio, MGA_REG_TEXFILTER, (0x10<<21) | MGA_MAG_NRST | MGA_MIN_NRST);
-
- if (tmu == 1) {
- mgaWaitAvail (1);
- MGA_OUT32 (mmio, MGA_REG_TEXCTL2, MGA_G400_TC2_MAGIC | MGA_TC2_DUALTEX);
- }
-
- return TRUE;
-}
-
-Bool
-mgaPrepareComposite (int op,
- PicturePtr pSrcPicture,
- PicturePtr pMaskPicture,
- PicturePtr pDstPicture,
- PixmapPtr pSrc,
- PixmapPtr pMask,
- PixmapPtr pDst)
-{
- KdScreenPriv (pSrc->drawable.pScreen);
- int mem_base=(int)pScreenPriv->screen->memory_base;
- int cmd;
-
- /* sometimes mgaPrepareComposite is given the same pointer for Src
- * and Mask. PSrcPicture is an unsupported format (x8b8g8r8) whereas
- * pMaskPicture is supported (a8r8g8b8). We Choose to render a
- * simple blend and using pMaskPicture as the Source.
- */
- if (pMask == pSrc) {
- pMask=NULL;
- pMaskPicture=NULL;
- }
-
- mgaWaitIdle();
- /* Init MGA (clipping) */
- mgaSetup (pSrc->drawable.pScreen, pDst->drawable.bitsPerPixel, 5);
- MGA_OUT32 (mmio, MGA_REG_TMR1, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR2, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR3, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR4, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR5, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR6, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR7, 0);
- MGA_OUT32 (mmio, MGA_REG_TMR8, 0x10000);
-
- /* Destination flags */
- mgaWaitAvail (2);
- MGA_OUT32 (mmio, MGA_REG_DSTORG, ((int)pDst->devPrivate.ptr - mem_base));
- MGA_OUT32 (mmio, MGA_REG_PITCH,
- pDst->devKind / (pDst->drawable.bitsPerPixel >> 3));
-
- /* Source(s) flags */
- if (!PrepareSourceTexture (0, pSrcPicture, pSrc)) return FALSE;
- if (pMask != NULL)
- if (!PrepareSourceTexture (1, pMaskPicture, pMask)) return FALSE;
-
- /* MultiTexture modulation */
- mgaWaitAvail (2);
- MGA_OUT32 (mmio, MGA_REG_TDUALSTAGE0, MGA_TDS_COLOR_SEL_ARG1);
- if (pMask != NULL) {
- if (PICT_FORMAT_A (pSrcPicture->format) == 0) {
- MGA_OUT32 (mmio, MGA_REG_TDUALSTAGE1,
- MGA_TDS_COLOR_ARG2_PREVSTAGE | MGA_TDS_COLOR_SEL_ARG2 |
- MGA_TDS_ALPHA_SEL_ARG1);
- } else {
- MGA_OUT32 (mmio, MGA_REG_TDUALSTAGE1,
- MGA_TDS_COLOR_ARG2_PREVSTAGE | MGA_TDS_COLOR_SEL_ARG2 |
- MGA_TDS_ALPHA_ARG2_PREVSTAGE | MGA_TDS_ALPHA_SEL_MUL);
- }
- } else {
- MGA_OUT32 (mmio, MGA_REG_TDUALSTAGE1, 0);
- }
-
- cmd = MGA_OPCOD_TEXTURE_TRAP | MGA_ATYPE_RSTR | 0x000c0000 |
- MGA_DWGCTL_SHIFTZERO | MGA_DWGCTL_SGNZERO | MGA_DWGCTL_ARZERO |
- MGA_ATYPE_I;
-
- mgaWaitAvail (2);
- MGA_OUT32 (mmio, MGA_REG_DWGCTL, cmd);
- MGA_OUT32 (mmio, MGA_REG_ALPHACTRL, MGA_ALPHACHANNEL | mgaBlendOP[op]);
-
- currentSrc=pSrc;
- currentMask=pMask;
-
- return TRUE;
-}
-
-void
-mgaComposite (int srcX,
- int srcY,
- int maskX,
- int maskY,
- int dstX,
- int dstY,
- int width,
- int height)
-{
- int src_w2 = MGA_LOG2 (currentSrc->drawable.width);
- int src_h2 = MGA_LOG2 (currentSrc->drawable.height);
-
- /* Source positions can be outside source textures' boundaries.
- * We clamp the values here to avoid rendering glitches.
- */
- srcX=srcX % currentSrc->drawable.width;
- srcY=srcY % currentSrc->drawable.height;
- maskX=maskX % currentMask->drawable.width;
- maskY=maskY % currentMask->drawable.height;
-
- mgaWaitAvail (4);
- /* Start position in the texture */
- MGA_OUT32 (mmio, MGA_REG_TMR6, srcX<<(20-src_w2));
- MGA_OUT32 (mmio, MGA_REG_TMR7, srcY<<(20-src_h2));
- /* Increments (1 since we aren't doing stretch blit) */
- MGA_OUT32 (mmio, MGA_REG_TMR0, 1<<(20-src_w2));
- MGA_OUT32 (mmio, MGA_REG_TMR3, 1<<(20-src_h2));
-
- if (currentMask != NULL) {
- int mask_w2 = MGA_LOG2 (currentMask->drawable.width);
- int mask_h2 = MGA_LOG2 (currentMask->drawable.height);
-
- mgaWaitAvail (6);
- MGA_OUT32 (mmio, MGA_REG_TEXCTL2,
- MGA_G400_TC2_MAGIC | MGA_TC2_DUALTEX | MGA_TC2_SELECT_TMU1);
-
- MGA_OUT32 (mmio, MGA_REG_TMR6, maskX<<(20-mask_w2));
- MGA_OUT32 (mmio, MGA_REG_TMR7, maskY<<(20-mask_h2));
- MGA_OUT32 (mmio, MGA_REG_TMR0, 1<<(20-mask_w2));
- MGA_OUT32 (mmio, MGA_REG_TMR3, 1<<(20-mask_h2));
-
- MGA_OUT32 (mmio, MGA_REG_TEXCTL2, MGA_G400_TC2_MAGIC | MGA_TC2_DUALTEX);
- }
-
- /* Destination Bounding Box
- * (Boundary Right | Boundary Left, Y dest | Height)
- */
- mgaWaitAvail (2);
- MGA_OUT32 (mmio, MGA_REG_FXBNDRY,
- ((dstX + width) << 16) | (dstX & 0xffff));
- MGA_OUT32 (mmio, MGA_REG_YDSTLEN | MGA_REG_EXEC,
- (dstY << 16) | (height & 0xffff));
-}
-
-void
-mgaDoneComposite (void)
-{
-
-}
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