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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xgl/xglpict.c
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xgl/xglpict.c')
-rw-r--r--xorg-server/hw/xgl/xglpict.c787
1 files changed, 787 insertions, 0 deletions
diff --git a/xorg-server/hw/xgl/xglpict.c b/xorg-server/hw/xgl/xglpict.c
new file mode 100644
index 000000000..fee2431b7
--- /dev/null
+++ b/xorg-server/hw/xgl/xglpict.c
@@ -0,0 +1,787 @@
+/*
+ * Copyright © 2004 David Reveman
+ *
+ * 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
+ * David Reveman not be used in advertising or publicity pertaining to
+ * distribution of the software without specific, written prior permission.
+ * David Reveman makes no representations about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ *
+ * DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL DAVID REVEMAN 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.
+ *
+ * Author: David Reveman <davidr@novell.com>
+ */
+
+#include "xgl.h"
+#include "fb.h"
+
+#ifdef RENDER
+
+#include "fbpict.h"
+
+#define XGL_PICTURE_FALLBACK_PROLOGUE(pPicture, func) \
+ xglSyncDamageBoxBits (pPicture->pDrawable); \
+ XGL_PICTURE_SCREEN_UNWRAP (func)
+
+#define XGL_PICTURE_FALLBACK_EPILOGUE(pPicture, func, xglfunc) \
+ XGL_PICTURE_SCREEN_WRAP (func, xglfunc); \
+ xglAddCurrentSurfaceDamage (pPicture->pDrawable)
+
+void
+xglComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ PictureScreenPtr pPictureScreen;
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+
+ XGL_SCREEN_PRIV (pScreen);
+
+ if (xglCompositeGeneral (op,
+ pSrc, pMask, pDst, NULL,
+ xSrc, ySrc,
+ xMask, yMask,
+ xDst + pDst->pDrawable->x,
+ yDst + pDst->pDrawable->y,
+ width, height))
+ {
+ xglAddCurrentBitDamage (pDst->pDrawable);
+ return;
+ }
+
+ pPictureScreen = GetPictureScreen (pScreen);
+
+ if (pSrc->pDrawable)
+ {
+ if (!xglSyncBits (pSrc->pDrawable, NullBox))
+ FatalError (XGL_SW_FAILURE_STRING);
+ }
+
+ if (pMask && pMask->pDrawable)
+ {
+ if (!xglSyncBits (pMask->pDrawable, NullBox))
+ FatalError (XGL_SW_FAILURE_STRING);
+ }
+
+ if (op == PictOpSrc)
+ {
+ XGL_DRAWABLE_PIXMAP (pDst->pDrawable);
+
+ if (!xglMapPixmapBits (pPixmap))
+ FatalError (XGL_SW_FAILURE_STRING);
+ } else
+ xglSyncDamageBoxBits (pDst->pDrawable);
+
+ XGL_PICTURE_SCREEN_UNWRAP (Composite);
+ (*pPictureScreen->Composite) (op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height);
+ XGL_PICTURE_SCREEN_WRAP (Composite, xglComposite);
+
+ if (op == PictOpSrc)
+ {
+ RegionRec region;
+
+ xDst += pDst->pDrawable->x;
+ yDst += pDst->pDrawable->y;
+
+ if (pSrc->pDrawable)
+ {
+ xSrc += pSrc->pDrawable->x;
+ ySrc += pSrc->pDrawable->y;
+ }
+
+ if (pMask && pMask->pDrawable)
+ {
+ xMask += pMask->pDrawable->x;
+ yMask += pMask->pDrawable->y;
+ }
+
+ if (!miComputeCompositeRegion (&region, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst,
+ width, height))
+ return;
+
+ xglAddSurfaceDamage (pDst->pDrawable, &region);
+ REGION_UNINIT (pDst->pDrawable->pScreen, &region);
+ } else
+ xglAddCurrentSurfaceDamage (pDst->pDrawable);
+}
+
+void
+xglAddTriangles (PicturePtr pDst,
+ INT16 xOff,
+ INT16 yOff,
+ int ntri,
+ xTriangle *tris)
+{
+ PictureScreenPtr pPictureScreen;
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+
+ XGL_SCREEN_PRIV (pScreen);
+ XGL_DRAWABLE_PIXMAP_PRIV (pDst->pDrawable);
+
+ pPictureScreen = GetPictureScreen (pScreen);
+
+ pPixmapPriv->damageBox.x1 = 0;
+ pPixmapPriv->damageBox.y1 = 0;
+ pPixmapPriv->damageBox.x2 = pDst->pDrawable->width;
+ pPixmapPriv->damageBox.y2 = pDst->pDrawable->height;
+
+ XGL_PICTURE_FALLBACK_PROLOGUE (pDst, AddTriangles);
+ (*pPictureScreen->AddTriangles) (pDst, xOff, yOff, ntri, tris);
+ XGL_PICTURE_FALLBACK_EPILOGUE (pDst, AddTriangles, xglAddTriangles);
+}
+
+
+void
+xglChangePicture (PicturePtr pPicture,
+ Mask mask)
+{
+ PictureScreenPtr pPictureScreen;
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+
+ XGL_SCREEN_PRIV (pScreen);
+ XGL_DRAWABLE_PIXMAP_PRIV (pPicture->pDrawable);
+
+ pPictureScreen = GetPictureScreen (pScreen);
+
+ if (pPicture->stateChanges & CPRepeat)
+ pPixmapPriv->pictureMask |= xglPCFillMask;
+
+ if (pPicture->stateChanges & CPComponentAlpha)
+ pPixmapPriv->pictureMask |= xglPCComponentAlphaMask;
+
+ if (pPicture->stateChanges & CPDither)
+ pPixmapPriv->pictureMask |= xglPCDitherMask;
+
+ XGL_PICTURE_SCREEN_UNWRAP (ChangePicture);
+ (*pPictureScreen->ChangePicture) (pPicture, mask);
+ XGL_PICTURE_SCREEN_WRAP (ChangePicture, xglChangePicture);
+}
+
+int
+xglChangePictureTransform (PicturePtr pPicture,
+ PictTransform *transform)
+{
+ PictureScreenPtr pPictureScreen;
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ int ret;
+
+ XGL_SCREEN_PRIV (pScreen);
+ XGL_DRAWABLE_PIXMAP_PRIV (pPicture->pDrawable);
+
+ pPictureScreen = GetPictureScreen (pScreen);
+
+ if (transform != pPicture->transform ||
+ (transform && memcmp (transform, &pPicture->transform,
+ sizeof (PictTransform))))
+ pPixmapPriv->pictureMask |= xglPCTransformMask;
+
+ XGL_PICTURE_SCREEN_UNWRAP (ChangePictureTransform);
+ ret = (*pPictureScreen->ChangePictureTransform) (pPicture, transform);
+ XGL_PICTURE_SCREEN_WRAP (ChangePictureTransform,
+ xglChangePictureTransform);
+
+ return ret;
+}
+
+int
+xglChangePictureFilter (PicturePtr pPicture,
+ int filter,
+ xFixed *params,
+ int nparams)
+{
+ PictureScreenPtr pPictureScreen;
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ int ret;
+
+ XGL_SCREEN_PRIV (pScreen);
+ XGL_DRAWABLE_PIXMAP_PRIV (pPicture->pDrawable);
+
+ pPictureScreen = GetPictureScreen (pScreen);
+
+ pPixmapPriv->pictureMask |= xglPCFilterMask;
+
+ XGL_PICTURE_SCREEN_UNWRAP (ChangePictureFilter);
+ ret = (*pPictureScreen->ChangePictureFilter) (pPicture, filter,
+ params, nparams);
+ XGL_PICTURE_SCREEN_WRAP (ChangePictureFilter, xglChangePictureFilter);
+
+ return ret;
+}
+
+static void
+xglDestroyDevicePicture (PicturePtr pPicture)
+{
+ if (pPicture->pSourcePict->source.devPrivate.ptr)
+ glitz_surface_destroy (pPicture->pSourcePict->source.devPrivate.ptr);
+}
+
+PicturePtr
+xglCreateDevicePicture (pointer data)
+{
+ PicturePtr pPicture;
+ int error;
+
+ pPicture = CreateDevicePicture (0, &error);
+ if (!pPicture)
+ return 0;
+
+ pPicture->pSourcePict->source.devPrivate.ptr = data;
+ pPicture->pSourcePict->source.Destroy = xglDestroyDevicePicture;
+
+ return pPicture;
+}
+
+static int fillMode[] = {
+ GLITZ_FILL_TRANSPARENT, /* RepeatNone */
+ GLITZ_FILL_REPEAT, /* RepeatNormal */
+ GLITZ_FILL_NEAREST, /* RepeatPad */
+ GLITZ_FILL_REFLECT /* RepeatReflect */
+};
+
+static void
+xglUpdatePicture (PicturePtr pPicture)
+{
+ glitz_surface_t *surface;
+
+ XGL_DRAWABLE_PIXMAP_PRIV (pPicture->pDrawable);
+
+ surface = pPixmapPriv->surface;
+
+ if (pPixmapPriv->pictureMask & xglPCFillMask)
+ {
+ glitz_surface_set_fill (surface, fillMode[pPicture->repeat]);
+ }
+
+ if (pPixmapPriv->pictureMask & xglPCFilterMask)
+ {
+ switch (pPicture->filter) {
+ case PictFilterNearest:
+ case PictFilterFast:
+ glitz_surface_set_filter (surface, GLITZ_FILTER_NEAREST, NULL, 0);
+ break;
+ case PictFilterGood:
+ case PictFilterBest:
+ case PictFilterBilinear:
+ glitz_surface_set_filter (surface, GLITZ_FILTER_BILINEAR, NULL, 0);
+ break;
+ case PictFilterConvolution:
+ glitz_surface_set_filter (surface, GLITZ_FILTER_CONVOLUTION,
+ (glitz_fixed16_16_t *)
+ pPicture->filter_params,
+ pPicture->filter_nparams);
+ break;
+ }
+ }
+
+ if (pPixmapPriv->pictureMask & xglPCTransformMask)
+ {
+ glitz_surface_set_transform (surface, (glitz_transform_t *)
+ pPicture->transform);
+ }
+
+ if (pPixmapPriv->pictureMask & xglPCComponentAlphaMask)
+ {
+ glitz_surface_set_component_alpha (surface, pPicture->componentAlpha);
+ }
+
+ if (pPixmapPriv->pictureMask & xglPCDitherMask)
+ {
+ glitz_surface_set_dither (surface, pPicture->dither);
+ }
+
+ pPixmapPriv->pictureMask &= ~XGL_PICTURE_CHANGES (~0);
+}
+
+#define N_STACK_PARAM 256
+
+static int gradientNParam[] = {
+ 0, /* SourcePictTypeSolidFill */
+ 4, /* SourcePictTypeLinear */
+ 6, /* SourcePictTypeRadial */
+ 4, /* SourcePictTypeConical */
+};
+
+Bool
+xglSyncPicture (ScreenPtr pScreen,
+ PicturePtr pPicture,
+ INT16 x,
+ INT16 y,
+ CARD16 width,
+ CARD16 height,
+ INT16 *xOff,
+ INT16 *yOff)
+{
+ xglPixmapPtr pPixmapPriv;
+
+ XGL_SCREEN_PRIV (pScreen);
+
+ *xOff = *yOff = 0;
+
+ if (pPicture->pSourcePict)
+ {
+ if (pPicture->pSourcePict->source.devPrivate.ptr)
+ return TRUE;
+
+ if (pPicture->pDrawable)
+ {
+ (*pScreen->DestroyPixmap) ((PixmapPtr) pPicture->pDrawable);
+ pPicture->pDrawable = (DrawablePtr) 0;
+ }
+
+ switch (pPicture->pSourcePict->source.type) {
+ case SourcePictTypeSolidFill:
+ x = y = 0;
+ width = height = 1;
+ break;
+ case SourcePictTypeLinear:
+ case SourcePictTypeRadial: {
+ glitz_fixed16_16_t stackParam[N_STACK_PARAM];
+ glitz_fixed16_16_t *param;
+ int nParam, nStop, size, i;
+ CARD32 *pixel;
+ PictGradientStopPtr pStop;
+ glitz_buffer_t *buffer;
+ glitz_format_t *format;
+ glitz_surface_t *surface;
+ static glitz_pixel_format_t pixelFormat = {
+ GLITZ_FOURCC_RGB,
+ {
+ 32,
+ 0xff000000,
+ 0x00ff0000,
+ 0x0000ff00,
+ 0x000000ff
+ },
+ 0, 0, 0,
+ GLITZ_PIXEL_SCANLINE_ORDER_BOTTOM_UP
+ };
+
+ if (!(pScreenPriv->features & GLITZ_FEATURE_FRAGMENT_PROGRAM_MASK))
+ break;
+
+ format = glitz_find_standard_format (pScreenPriv->drawable,
+ GLITZ_STANDARD_ARGB32);
+ if (!format)
+ break;
+
+ nParam = gradientNParam[pPicture->pSourcePict->gradient.type];
+ pStop = pPicture->pSourcePict->gradient.stops;
+ nStop = pPicture->pSourcePict->gradient.nstops;
+
+ size = nParam + nStop * 4;
+ if (size > N_STACK_PARAM)
+ {
+ param = malloc (sizeof (xFixed) * size);
+ if (!param)
+ break;
+ }
+ else
+ {
+ param = stackParam;
+ }
+
+ pixel = (CARD32 *) (param + nParam + nStop * 3);
+
+ buffer = glitz_buffer_create_for_data (pixel);
+ if (!buffer)
+ {
+ if (size > N_STACK_PARAM)
+ free (param);
+
+ break;
+ }
+
+ surface = glitz_surface_create (pScreenPriv->drawable,
+ format, nStop, 1, 0, NULL);
+ if (!surface)
+ {
+ glitz_buffer_destroy (buffer);
+ if (size > N_STACK_PARAM)
+ free (param);
+
+ break;
+ }
+
+ for (i = 0; i < nStop; i++)
+ {
+ pixel[i] = pStop[i].color;
+
+ param[nParam + 3 * i + 0] = pStop[i].x;
+ param[nParam + 3 * i + 1] = i << 16;
+ param[nParam + 3 * i + 2] = 0;
+ }
+
+ glitz_set_pixels (surface, 0, 0, nStop, 1, &pixelFormat, buffer);
+
+ glitz_buffer_destroy (buffer);
+
+ switch (pPicture->pSourcePict->source.type) {
+ case SourcePictTypeLinear:
+ param[0] = pPicture->pSourcePict->linear.p1.x;
+ param[1] = pPicture->pSourcePict->linear.p1.y;
+ param[2] = pPicture->pSourcePict->linear.p2.x;
+ param[3] = pPicture->pSourcePict->linear.p2.y;
+
+ glitz_surface_set_filter (surface,
+ GLITZ_FILTER_LINEAR_GRADIENT,
+ param, nParam + nStop * 3);
+ break;
+ case SourcePictTypeRadial:
+ param[0] = pPicture->pSourcePict->radial.inner.x;
+ param[1] = pPicture->pSourcePict->radial.inner.y;
+ param[2] = pPicture->pSourcePict->radial.inner_radius;
+ param[3] = pPicture->pSourcePict->radial.outer.x;
+ param[4] = pPicture->pSourcePict->radial.outer.y;
+ param[5] = pPicture->pSourcePict->radial.outer_radius;
+
+ glitz_surface_set_filter (surface,
+ GLITZ_FILTER_RADIAL_GRADIENT,
+ param, nParam + nStop * 3);
+ break;
+ }
+
+ glitz_surface_set_fill (surface, fillMode[pPicture->repeat]);
+ glitz_surface_set_transform (surface, (glitz_transform_t *)
+ pPicture->transform);
+
+ pPicture->pSourcePict->gradient.devPrivate.ptr = surface;
+ pPicture->pSourcePict->gradient.Destroy = xglDestroyDevicePicture;
+
+ if (size > N_STACK_PARAM)
+ free (param);
+
+ return TRUE;
+ } break;
+ case SourcePictTypeConical:
+ default:
+ break;
+ }
+
+ if (!pPicture->pDrawable)
+ {
+ PictFormatPtr pFormat;
+ PixmapPtr pPixmap;
+ PicturePtr pTmp;
+ RegionRec region;
+ BoxRec box;
+ int error;
+
+ pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8);
+ if (!pFormat)
+ return FALSE;
+
+ pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height,
+ pFormat->depth, 0);
+ if (!pPixmap)
+ return FALSE;
+
+ pTmp = CreatePicture (0, &pPixmap->drawable, pFormat, 0, NULL,
+ serverClient, &error);
+ if (!pTmp)
+ {
+ (*pScreen->DestroyPixmap) (pPixmap);
+ return FALSE;
+ }
+
+ ValidatePicture (pTmp);
+
+ if (!xglSyncBits (pTmp->pDrawable, NullBox))
+ FatalError (XGL_SW_FAILURE_STRING);
+
+ fbCompositeGeneral (PictOpSrc,
+ pPicture, 0, pTmp,
+ x, y, 0, 0, 0, 0,
+ width, height);
+
+ FreePicture ((pointer) pTmp, (XID) 0);
+
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = width;
+ box.y2 = height;
+
+ REGION_INIT (pScreen, &region, &box, 1);
+ xglAddSurfaceDamage (&pPixmap->drawable, &region);
+ REGION_UNINIT (pDrawable->pScreen, &region);
+
+ pPicture->pDrawable = &pPixmap->drawable;
+
+ *xOff = x;
+ *yOff = y;
+
+ XGL_GET_PIXMAP_PRIV (pPixmap)->pictureMask &=
+ ~(xglPCFillMask | xglPCFilterMask | xglPCTransformMask);
+ }
+ }
+
+#ifdef XV
+ switch (pPicture->format) {
+ case PICT_yuy2:
+ xglSetPixmapVisual ((PixmapPtr) pPicture->pDrawable,
+ &pScreenPriv->pXvVisual[XGL_XV_FORMAT_YUY2]);
+ break;
+ case PICT_yv12:
+ xglSetPixmapVisual ((PixmapPtr) pPicture->pDrawable,
+ &pScreenPriv->pXvVisual[XGL_XV_FORMAT_YV12]);
+ default:
+ break;
+ }
+#endif
+
+ if (!xglSyncSurface (pPicture->pDrawable))
+ return FALSE;
+
+ pPixmapPriv = XGL_GET_PIXMAP_PRIV ((PixmapPtr) pPicture->pDrawable);
+ if (XGL_PICTURE_CHANGES (pPixmapPriv->pictureMask))
+ xglUpdatePicture (pPicture);
+
+ return TRUE;
+}
+
+static int
+xglVisualDepth (ScreenPtr pScreen, VisualPtr pVisual)
+{
+ DepthPtr pDepth;
+ int d, v;
+
+ for (d = 0; d < pScreen->numDepths; d++)
+ {
+ pDepth = &pScreen->allowedDepths[d];
+ for (v = 0; v < pDepth->numVids; v++)
+ if (pDepth->vids[v] == pVisual->vid)
+ return pDepth->depth;
+ }
+
+ return 0;
+}
+
+typedef struct _xglformatInit {
+ CARD32 format;
+ CARD8 depth;
+} xglFormatInitRec, *xglFormatInitPtr;
+
+static int
+xglAddFormat (xglFormatInitPtr formats,
+ int nformat,
+ CARD32 format,
+ CARD8 depth)
+{
+ int n;
+
+ for (n = 0; n < nformat; n++)
+ if (formats[n].format == format && formats[n].depth == depth)
+ return nformat;
+
+ formats[nformat].format = format;
+ formats[nformat].depth = depth;
+
+ return ++nformat;
+}
+
+#define Mask(n) ((n) == 32 ? 0xffffffff : ((1 << (n)) - 1))
+
+Bool
+xglPictureInit (ScreenPtr pScreen)
+{
+ int f, nformats = 0;
+ PictFormatPtr pFormats;
+ xglFormatInitRec formats[64];
+ CARD32 format;
+ CARD8 depth;
+ VisualPtr pVisual;
+ int v;
+ int bpp;
+ int r, g, b;
+ int d;
+ DepthPtr pDepth;
+
+ /* formats required by protocol */
+ formats[nformats].format = PICT_a1;
+ formats[nformats].depth = 1;
+ nformats++;
+ formats[nformats].format = PICT_a4;
+ formats[nformats].depth = 4;
+ nformats++;
+ formats[nformats].format = PICT_a8;
+ formats[nformats].depth = 8;
+ nformats++;
+ formats[nformats].format = PICT_a8r8g8b8;
+ formats[nformats].depth = 32;
+ nformats++;
+
+ /* now look through the depths and visuals adding other formats */
+ for (v = 0; v < pScreen->numVisuals; v++)
+ {
+ pVisual = &pScreen->visuals[v];
+ depth = xglVisualDepth (pScreen, pVisual);
+ if (!depth)
+ continue;
+
+ bpp = BitsPerPixel (depth);
+ switch (pVisual->class) {
+ case DirectColor:
+ case TrueColor:
+ r = Ones (pVisual->redMask);
+ g = Ones (pVisual->greenMask);
+ b = Ones (pVisual->blueMask);
+ if (pVisual->offsetBlue == 0 &&
+ pVisual->offsetGreen == b &&
+ pVisual->offsetRed == b + g)
+ {
+ format = PICT_FORMAT (bpp, PICT_TYPE_ARGB, 0, r, g, b);
+ nformats = xglAddFormat (formats, nformats, format, depth);
+ }
+ break;
+ case StaticColor:
+ case PseudoColor:
+ case StaticGray:
+ case GrayScale:
+ break;
+ }
+ }
+
+ /* walk supported depths and add missing Direct formats */
+ for (d = 0; d < pScreen->numDepths; d++)
+ {
+ pDepth = &pScreen->allowedDepths[d];
+ bpp = BitsPerPixel (pDepth->depth);
+ format = 0;
+ switch (bpp) {
+ case 16:
+ if (pDepth->depth == 15)
+ nformats = xglAddFormat (formats, nformats,
+ PICT_x1r5g5b5, pDepth->depth);
+ if (pDepth->depth == 16)
+ nformats = xglAddFormat (formats, nformats,
+ PICT_r5g6b5, pDepth->depth);
+ break;
+ case 24:
+ if (pDepth->depth == 24)
+ nformats = xglAddFormat (formats, nformats,
+ PICT_r8g8b8, pDepth->depth);
+ break;
+ case 32:
+ if (pDepth->depth == 24)
+ nformats = xglAddFormat (formats, nformats,
+ PICT_x8r8g8b8, pDepth->depth);
+ break;
+ }
+ }
+
+ /* add YUV formats */
+ nformats = xglAddFormat (formats, nformats, PICT_yuy2, 16);
+ nformats = xglAddFormat (formats, nformats, PICT_yv12, 12);
+
+ pFormats = (PictFormatPtr) xalloc (nformats * sizeof (PictFormatRec));
+ if (!pFormats)
+ return 0;
+
+ memset (pFormats, '\0', nformats * sizeof (PictFormatRec));
+ for (f = 0; f < nformats; f++)
+ {
+ pFormats[f].id = FakeClientID (0);
+ pFormats[f].depth = formats[f].depth;
+ format = formats[f].format;
+ pFormats[f].format = format;
+ switch (PICT_FORMAT_TYPE (format)) {
+ case PICT_TYPE_ARGB:
+ pFormats[f].type = PictTypeDirect;
+ pFormats[f].direct.alphaMask = Mask (PICT_FORMAT_A (format));
+ if (pFormats[f].direct.alphaMask)
+ pFormats[f].direct.alpha = (PICT_FORMAT_R (format) +
+ PICT_FORMAT_G (format) +
+ PICT_FORMAT_B (format));
+
+ pFormats[f].direct.redMask = Mask (PICT_FORMAT_R (format));
+ pFormats[f].direct.red = (PICT_FORMAT_G (format) +
+ PICT_FORMAT_B (format));
+
+ pFormats[f].direct.greenMask = Mask (PICT_FORMAT_G (format));
+ pFormats[f].direct.green = PICT_FORMAT_B (format);
+
+ pFormats[f].direct.blueMask = Mask (PICT_FORMAT_B (format));
+ pFormats[f].direct.blue = 0;
+ break;
+ case PICT_TYPE_A:
+ pFormats[f].type = PictTypeDirect;
+ pFormats[f].direct.alpha = 0;
+ pFormats[f].direct.alphaMask = Mask (PICT_FORMAT_A (format));
+ break;
+ case PICT_TYPE_COLOR:
+ case PICT_TYPE_GRAY:
+ pFormats[f].type = PictTypeDirect;
+ break;
+ case PICT_TYPE_YUY2:
+ case PICT_TYPE_YV12:
+ pFormats[f].type = PictTypeOther;
+ break;
+ }
+ }
+
+ if (!fbPictureInit (pScreen, pFormats, nformats))
+ return FALSE;
+
+ return TRUE;
+}
+
+void
+xglPictureClipExtents (PicturePtr pPicture,
+ BoxPtr extents)
+{
+ if (pPicture->clientClipType != CT_NONE)
+ {
+ BoxPtr clip = REGION_EXTENTS (pPicture->pDrawable->pScreen,
+ (RegionPtr) pPicture->clientClip);
+
+ if (extents->x1 < pPicture->clipOrigin.x + clip->x1)
+ extents->x1 = pPicture->clipOrigin.x + clip->x1;
+
+ if (extents->y1 < pPicture->clipOrigin.y + clip->y1)
+ extents->y1 = pPicture->clipOrigin.y + clip->y1;
+
+ if (extents->x2 > pPicture->clipOrigin.x + clip->x2)
+ extents->x2 = pPicture->clipOrigin.x + clip->x2;
+
+ if (extents->y2 > pPicture->clipOrigin.y + clip->y2)
+ extents->y2 = pPicture->clipOrigin.y + clip->y2;
+ }
+ else
+ {
+ if (extents->x1 < 0)
+ extents->x1 = 0;
+
+ if (extents->y1 < 0)
+ extents->y1 = 0;
+
+ if (extents->x2 > pPicture->pDrawable->width)
+ extents->x2 = pPicture->pDrawable->width;
+
+ if (extents->y2 > pPicture->pDrawable->height)
+ extents->y2 = pPicture->pDrawable->height;
+ }
+}
+
+#endif