diff options
Diffstat (limited to 'xorg-server/hw/kdrive/mga/g400_composite.c')
| -rw-r--r-- | xorg-server/hw/kdrive/mga/g400_composite.c | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/xorg-server/hw/kdrive/mga/g400_composite.c b/xorg-server/hw/kdrive/mga/g400_composite.c deleted file mode 100644 index dda9d9347..000000000 --- a/xorg-server/hw/kdrive/mga/g400_composite.c +++ /dev/null @@ -1,510 +0,0 @@ -/* - * 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. - */ - -#ifdef HAVE_CONFIG_H -#include <kdrive-config.h> -#endif - -#include "mga.h" -#include "g400_common.h" - - -static PicturePtr currentSrcPicture; -static PicturePtr currentMaskPicture; -static PixmapPtr currentSrc; -static PixmapPtr currentMask; -static int src_w2; -static int src_h2; -static int mask_w2; -static int mask_h2; - -struct blendinfo { - Bool dst_alpha; - Bool src_alpha; - CARD32 blend_cntl; -}; - -static struct blendinfo mgaBlendOP[] = { - /* Clear */ - {0, 0, MGA_SRC_ZERO | MGA_DST_ZERO}, - /* Src */ - {0, 0, MGA_SRC_ONE | MGA_DST_ZERO}, - /* Dst */ - {0, 0, MGA_SRC_ZERO | MGA_DST_ONE}, - /* Over */ - {0, 1, MGA_SRC_ONE | MGA_DST_ONE_MINUS_SRC_ALPHA}, - /* OverReverse */ - {1, 0, MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_ONE}, - /* In */ - {1, 0, MGA_SRC_DST_ALPHA | MGA_DST_ZERO}, - /* InReverse */ - {0, 1, MGA_SRC_ZERO | MGA_DST_SRC_ALPHA}, - /* Out */ - {1, 0, MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_ZERO}, - /* OutReverse */ - {0, 1, MGA_SRC_ZERO | MGA_DST_ONE_MINUS_SRC_ALPHA}, - /* Atop */ - {1, 1, MGA_SRC_DST_ALPHA | MGA_DST_ONE_MINUS_SRC_ALPHA}, - /* AtopReverse */ - {1, 1, MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_SRC_ALPHA}, - /* Xor */ - {1, 1, MGA_SRC_ONE_MINUS_DST_ALPHA | MGA_DST_ONE_MINUS_SRC_ALPHA}, - /* Add */ - {0, 0, MGA_SRC_ONE | MGA_DST_ONE}, -}; - -struct formatinfo { - int fmt; - CARD32 card_fmt; -}; - -static struct formatinfo texformats[] = { - {PICT_a8r8g8b8, MGA_TW32}, - {PICT_x8r8g8b8, MGA_TW32}, - {PICT_r5g6b5, MGA_TW16}, - {PICT_a1r5g5b5, MGA_TW15}, - {PICT_x1r5g5b5, MGA_TW15}, - {PICT_a4r4g4b4, MGA_TW12}, - {PICT_x4r4g4b4, MGA_TW12}, - {PICT_a8, MGA_TW8A}, -}; - -static int -MGA_LOG2( int val ) -{ - int ret = 0; - if (val==1) return 0; - while (val >> ret) - ret++; - - return ((1 << (ret-1)) == val) ? (ret-1) : ret; -} - - -static Bool -mgaCheckSourceTexture (int tmu, - PicturePtr pPict) -{ - int w = pPict->pDrawable->width; - int h = pPict->pDrawable->height; - int i; - CARD32 texctl = 0; - - if ((w > 2047) || (h > 2047)) - MGA_FALLBACK(("Picture w/h too large (%dx%d)\n", w, h)); - - for (i = 0; i < sizeof(texformats) / sizeof(texformats[0]); i++) { - if (texformats[i].fmt == pPict->format) { - texctl = texformats[i].card_fmt; - break; - } - } - if (texctl == 0) { - MGA_FALLBACK(("Unsupported picture format 0x%x\n", pPict->format)); - } - - if (pPict->repeat && ((w & (w - 1)) != 0 || (h & (h - 1)) != 0)) - MGA_FALLBACK(("NPOT repeat unsupported (%dx%d)\n", w, h)); - - if (pPict->filter != PictFilterNearest && - pPict->filter != PictFilterBilinear) - MGA_FALLBACK(("Unsupported filter 0x%x\n", pPict->filter)); - - return TRUE; -} - -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 i; - - 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_PITCHLIN | ((pitch & (2048 - 1)) << 9) | - MGA_CLAMPUV | MGA_NOPERSPECTIVE; - int flags = 0; - int texctl2 = MGA_G400_TC2_MAGIC | flags; - - for (i = 0; i < sizeof(texformats) / sizeof(texformats[0]); i++) { - if (texformats[i].fmt == pSrcPicture->format) { - texctl |= texformats[i].card_fmt; - break; - } - } - - if (PICT_FORMAT_A(pSrcPicture->format) != 0) { - texctl |= MGA_TAKEY; - } else { - texctl |= MGA_TAMASK | MGA_TAKEY; - } - - if (pSrcPicture->repeat) { - texctl &= ~MGA_CLAMPUV; - } - - if (tmu == 1) - texctl2 |= MGA_TC2_DUALTEX | MGA_TC2_SELECT_TMU1 | flags; - - 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); - /* Set blit filtering flags */ - if (pSrcPicture->filter == PictFilterBilinear) { - MGA_OUT32 (mmio, MGA_REG_TEXFILTER, - (0x10<<21) | MGA_MAG_BILIN | MGA_MIN_BILIN); - } else { - 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 | flags); - } - - return TRUE; -} - - -/* - * The formals params are the elements of the following matrix: - * - * Dest Transform Src - * coords coords - * / Xdst \ / X_incx X_incy X_init \ / Xsrc \ - * | Ydst | = | Y_incx Y_incy Y_init | x | Ysrc | - * \ 1 / \ H_incx H_incy H_init / \ 1 / - * - * matrix elements are 32bits fixed points (16.16) - * mga_fx_* is the size of the fixed point for the TMU - */ -static void -setTMIncrementsRegs(int X_incx, - int X_incy, - int X_init, - int Y_incx, - int Y_incy, - int Y_init, - int H_incx, - int H_incy, - int H_init, - int mga_fx_width_size, - int mga_fx_height_size) { - int decalw = mga_fx_width_size - 16; - int decalh = mga_fx_height_size - 16; - - /* Convert 16 bits fixpoint -> MGA variable size fixpoint */ - if (decalw >= 0) { - X_incx = X_incx << decalw; - X_incy = X_incy << decalw; - X_init = X_init << decalw; - } else { - decalw =- decalw; - X_incx = X_incx >> decalw; - X_incy = X_incy >> decalw; - X_init = X_init >> decalw; - } - - /* Convert 16 bits fixpoint -> MGA variable size fixpoint */ - if (decalh >= 0) { - Y_incx = Y_incx << decalh; - Y_incy = Y_incy << decalh; - Y_init = Y_init << decalh; - } else { - decalh =- decalh; - Y_incx = Y_incx >> decalh; - Y_incy = Y_incy >> decalh; - Y_init = Y_init >> decalh; - } - - /* Set TM registers */ - mgaWaitAvail (9); - MGA_OUT32 (mmio, MGA_REG_TMR0, X_incx); - MGA_OUT32 (mmio, MGA_REG_TMR1, Y_incx); - MGA_OUT32 (mmio, MGA_REG_TMR2, X_incy); - MGA_OUT32 (mmio, MGA_REG_TMR3, Y_incy); - MGA_OUT32 (mmio, MGA_REG_TMR4, H_incx); - MGA_OUT32 (mmio, MGA_REG_TMR5, H_incy); - MGA_OUT32 (mmio, MGA_REG_TMR6, X_init); - MGA_OUT32 (mmio, MGA_REG_TMR7, Y_init); - MGA_OUT32 (mmio, MGA_REG_TMR8, H_init); -} - - - - -Bool -mgaCheckComposite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, - PicturePtr pDstPicture) -{ - if (op >= sizeof(mgaBlendOP) / sizeof(mgaBlendOP[0])) - MGA_FALLBACK(("unsupported op %x", op)); - if (!mgaCheckSourceTexture (0, pSrcPicture)) - return FALSE; - - if (pMaskPicture != NULL) { - if (PICT_FORMAT_A(pMaskPicture->format) == 0) - MGA_FALLBACK(("Mask without alpha unsupported")); - if (!mgaCheckSourceTexture (1, pMaskPicture)) - return FALSE; - } - - if (pMaskPicture->componentAlpha) - MGA_FALLBACK(("Component alpha unsupported")); - - if (pDstPicture->format == PICT_a8) - MGA_FALLBACK(("render to A8 unsupported")); - - return TRUE; -} - -#define C_ARG1_CUR 0x0 -#define C_ARG1_ALPHA MGA_TDS_COLOR_ARG1_REPLICATEALPHA -#define C_ARG2_DIFFUSE MGA_TDS_COLOR_ARG2_DIFFUSE -#define C_ARG2_FCOL MGA_TDS_COLOR_ARG2_FCOL -#define C_ARG2_PREV MGA_TDS_COLOR_ARG2_PREVSTAGE -#define C_ARG1_INV MGA_TDS_COLOR_ARG1_INV -#define C_ARG2_INV MGA_TDS_COLOR_ARG2_INV -#define COLOR_MUL MGA_TDS_COLOR_SEL_MUL -#define COLOR_ARG1 MGA_TDS_COLOR_SEL_ARG1 -#define COLOR_ARG2 MGA_TDS_COLOR_SEL_ARG2 -#define A_ARG1_CUR 0x0 -#define A_ARG2_IGN A_ARG2_DIFFUSE -#define A_ARG2_FCOL MGA_TDS_ALPHA_ARG2_FCOL -#define A_ARG2_DIFFUSE MGA_TDS_ALPHA_ARG2_DIFFUSE -#define A_ARG2_PREV MGA_TDS_ALPHA_ARG2_PREVSTAGE -#define ALPHA_MUL MGA_TDS_ALPHA_SEL_MUL -#define ALPHA_ARG1 MGA_TDS_ALPHA_SEL_ARG1 -#define ALPHA_ARG2 MGA_TDS_ALPHA_SEL_ARG2 - - -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, blendcntl; - int ds0, ds1; - - /* Init MGA (clipping) */ - mgaSetup (pSrc->drawable.pScreen, pDst->drawable.bitsPerPixel, 1); - - /* Initialize fg color to 0, used in the src = A8 case */ - MGA_OUT32 (mmio, MGA_REG_FCOL, 0xff000000); - - /* 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; - } - - /* Prepare multi-texture registers */ - ds0=ds1=0; - - if (pSrcPicture->format == PICT_a8) { - /* C = 0 A = As */ - /* MGA HW: A8 format makes RGB white. We use FCOL for the black - * If FCOL was not 0, it would have been be premultiplied (RENDER) - * color component would have been: - * C_ARG1_ALPHA | C_ARG2_FCOL | COLOR_MUL - */ - ds0=C_ARG2_FCOL | COLOR_ARG2 | - A_ARG1_CUR | ALPHA_ARG1; - /* MGA HW: TMU1 must be enabled when DUALSTAGE0 contains something */ - if (pMask == NULL) { - if (!PrepareSourceTexture (1, pSrcPicture, pSrc)) return FALSE; - ds1=C_ARG2_PREV | COLOR_ARG2 | - A_ARG2_PREV | ALPHA_ARG2; - } - } else { - /* C = Cs A = As */ - ds0=C_ARG1_CUR | COLOR_ARG1 | - A_ARG1_CUR | ALPHA_ARG1; - } - - if (pMask != NULL) { - /* As or Am might be NULL. in this case we don't multiply because, - * the alpha component holds garbage. - */ - int color,alpha; - if (PICT_FORMAT_A (pMaskPicture->format) == 0) { - /* C = Cs */ - color = C_ARG2_PREV | COLOR_ARG2; - } else { - /* C = Am * Cs */ - color = C_ARG1_ALPHA | C_ARG2_PREV | COLOR_MUL; - } - - if (PICT_FORMAT_A (pMaskPicture->format) == 0) { - /* A = As */ - alpha = A_ARG2_PREV | ALPHA_ARG2; - } else if (PICT_FORMAT_A (pSrcPicture->format) == 0) { - /* A = Am */ - alpha = A_ARG1_CUR | ALPHA_ARG1; - } else { - /* A = Am * As */ - alpha = A_ARG1_CUR | A_ARG2_PREV | ALPHA_MUL; - } - - ds1 = color | alpha; - } - - /* MultiTexture modulation */ - mgaWaitAvail (2); - MGA_OUT32 (mmio, MGA_REG_TDUALSTAGE0, ds0); - MGA_OUT32 (mmio, MGA_REG_TDUALSTAGE1, ds1); - - - cmd = MGA_OPCOD_TEXTURE_TRAP | MGA_ATYPE_RSTR | 0x000c0000 | - MGA_DWGCTL_SHIFTZERO | MGA_DWGCTL_SGNZERO | MGA_DWGCTL_ARZERO | - MGA_ATYPE_I; - - blendcntl = mgaBlendOP[op].blend_cntl; - if (PICT_FORMAT_A(pDstPicture->format) == 0 && mgaBlendOP[op].dst_alpha) { - if ((blendcntl & MGA_SRC_BLEND_MASK) == MGA_SRC_DST_ALPHA) - blendcntl = (blendcntl & ~MGA_SRC_BLEND_MASK) | MGA_SRC_ONE; - else if ((blendcntl & MGA_SRC_BLEND_MASK) == MGA_SRC_ONE_MINUS_DST_ALPHA) - blendcntl = (blendcntl & ~MGA_SRC_BLEND_MASK) | MGA_SRC_ZERO; - } - - mgaWaitAvail (2); - MGA_OUT32 (mmio, MGA_REG_DWGCTL, cmd); - MGA_OUT32 (mmio, MGA_REG_ALPHACTRL, MGA_ALPHACHANNEL | blendcntl); - - currentSrcPicture = pSrcPicture; - currentMaskPicture = pMaskPicture; - currentSrc = pSrc; - currentMask = pMask; - src_w2 = MGA_LOG2 (currentSrc->drawable.width); - src_h2 = MGA_LOG2 (currentSrc->drawable.height); - mask_w2 = MGA_LOG2 (currentMask->drawable.width); - mask_h2 = MGA_LOG2 (currentMask->drawable.height); - - return TRUE; -} - - -void -mgaComposite (int srcX, - int srcY, - int maskX, - int maskY, - int dstX, - int dstY, - int width, - int 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; - - if (currentSrcPicture->transform) { - setTMIncrementsRegs (currentSrcPicture->transform->matrix[0][0], - currentSrcPicture->transform->matrix[0][1], - currentSrcPicture->transform->matrix[0][2] + - (srcX << 16), - currentSrcPicture->transform->matrix[1][0], - currentSrcPicture->transform->matrix[1][1], - currentSrcPicture->transform->matrix[1][2] + - (srcY << 16), - currentSrcPicture->transform->matrix[2][0], - currentSrcPicture->transform->matrix[2][1], - currentSrcPicture->transform->matrix[2][2], - 20-src_w2, 20-src_h2); - } else { - setTMIncrementsRegs (1 << 16, 0, srcX << 16, - 0, 1 << 16, srcY << 16, - 0, 0, 0x10000, - 20-src_w2, 20-src_h2); - } - - if (currentMask != NULL) { - mgaWaitAvail (1); - MGA_OUT32 (mmio, MGA_REG_TEXCTL2, - MGA_G400_TC2_MAGIC | MGA_TC2_DUALTEX | MGA_TC2_SELECT_TMU1); - if (currentMaskPicture->transform) { - setTMIncrementsRegs (currentMaskPicture->transform->matrix[0][0], - currentMaskPicture->transform->matrix[0][1], - currentMaskPicture->transform->matrix[0][2] + - (maskX << 16), - currentMaskPicture->transform->matrix[1][0], - currentMaskPicture->transform->matrix[1][1], - currentMaskPicture->transform->matrix[1][2] + - (maskY << 16), - currentMaskPicture->transform->matrix[2][0], - currentMaskPicture->transform->matrix[2][1], - currentMaskPicture->transform->matrix[2][2], - 20-mask_w2, 20-mask_h2); - } else { - setTMIncrementsRegs (1 << 16, 0, maskX << 16, - 0, 1 << 16, maskY << 16, - 0, 0, 0x10000, - 20-mask_w2, 20-mask_h2); - } - - mgaWaitAvail (1); - 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) -{ -} |