diff options
Diffstat (limited to 'xorg-server/fb/fbpict.c')
-rw-r--r-- | xorg-server/fb/fbpict.c | 746 |
1 files changed, 373 insertions, 373 deletions
diff --git a/xorg-server/fb/fbpict.c b/xorg-server/fb/fbpict.c index 3113523a9..d1fd0cbbd 100644 --- a/xorg-server/fb/fbpict.c +++ b/xorg-server/fb/fbpict.c @@ -1,373 +1,373 @@ -/*
- *
- * Copyright © 2000 SuSE, Inc.
- * Copyright © 2007 Red Hat, Inc.
- *
- * 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 SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * 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: Keith Packard, SuSE, Inc.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include "fb.h"
-
-#include "picturestr.h"
-#include "mipict.h"
-#include "fbpict.h"
-
-void
-fbComposite (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- pixman_image_t *src, *mask, *dest;
- int src_xoff, src_yoff;
- int msk_xoff, msk_yoff;
- int dst_xoff, dst_yoff;
-
- miCompositeSourceValidate (pSrc);
- if (pMask)
- miCompositeSourceValidate (pMask);
-
- src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff);
- mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff);
- dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff);
-
- if (src && dest && !(pMask && !mask))
- {
- pixman_image_composite (op, src, mask, dest,
- xSrc + src_xoff, ySrc + src_yoff,
- xMask + msk_xoff, yMask + msk_yoff,
- xDst + dst_xoff, yDst + dst_yoff,
- width, height);
- }
-
- free_pixman_pict (pSrc, src);
- free_pixman_pict (pMask, mask);
- free_pixman_pict (pDst, dest);
-}
-
-static pixman_image_t *
-create_solid_fill_image (PicturePtr pict)
-{
- PictSolidFill *solid = &pict->pSourcePict->solidFill;
- pixman_color_t color;
- CARD32 a, r, g, b;
-
- a = (solid->color & 0xff000000) >> 24;
- r = (solid->color & 0x00ff0000) >> 16;
- g = (solid->color & 0x0000ff00) >> 8;
- b = (solid->color & 0x000000ff) >> 0;
-
- color.alpha = (a << 8) | a;
- color.red = (r << 8) | r;
- color.green = (g << 8) | g;
- color.blue = (b << 8) | b;
-
- return pixman_image_create_solid_fill (&color);
-}
-
-static pixman_image_t *
-create_linear_gradient_image (PictGradient *gradient)
-{
- PictLinearGradient *linear = (PictLinearGradient *)gradient;
- pixman_point_fixed_t p1;
- pixman_point_fixed_t p2;
-
- p1.x = linear->p1.x;
- p1.y = linear->p1.y;
- p2.x = linear->p2.x;
- p2.y = linear->p2.y;
-
- return pixman_image_create_linear_gradient (
- &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
-}
-
-static pixman_image_t *
-create_radial_gradient_image (PictGradient *gradient)
-{
- PictRadialGradient *radial = (PictRadialGradient *)gradient;
- pixman_point_fixed_t c1;
- pixman_point_fixed_t c2;
-
- c1.x = radial->c1.x;
- c1.y = radial->c1.y;
- c2.x = radial->c2.x;
- c2.y = radial->c2.y;
-
- return pixman_image_create_radial_gradient (
- &c1, &c2, radial->c1.radius,
- radial->c2.radius,
- (pixman_gradient_stop_t *)gradient->stops, gradient->nstops);
-}
-
-static pixman_image_t *
-create_conical_gradient_image (PictGradient *gradient)
-{
- PictConicalGradient *conical = (PictConicalGradient *)gradient;
- pixman_point_fixed_t center;
-
- center.x = conical->center.x;
- center.y = conical->center.y;
-
- return pixman_image_create_conical_gradient (
- ¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops,
- gradient->nstops);
-}
-
-static pixman_image_t *
-create_bits_picture (PicturePtr pict,
- Bool has_clip,
- int *xoff,
- int *yoff)
-{
- PixmapPtr pixmap;
- FbBits *bits;
- FbStride stride;
- int bpp;
- pixman_image_t *image;
-
- fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff);
- fbGetPixmapBitsData(pixmap, bits, stride, bpp);
-
- image = pixman_image_create_bits (
- (pixman_format_code_t)pict->format,
- pixmap->drawable.width, pixmap->drawable.height,
- (uint32_t *)bits, stride * sizeof (FbStride));
-
-
-#ifdef FB_ACCESS_WRAPPER
-#if FB_SHIFT==5
-
- pixman_image_set_accessors (image,
- (pixman_read_memory_func_t)wfbReadMemory,
- (pixman_write_memory_func_t)wfbWriteMemory);
-
-#else
-
-#error The pixman library only works when FbBits is 32 bits wide
-
-#endif
-#endif
-
- /* pCompositeClip is undefined for source pictures, so
- * only set the clip region for pictures with drawables
- */
- if (has_clip)
- {
- if (pict->clientClipType != CT_NONE)
- pixman_image_set_has_client_clip (image, TRUE);
-
- if (*xoff || *yoff)
- pixman_region_translate (pict->pCompositeClip, *xoff, *yoff);
-
- pixman_image_set_clip_region (image, pict->pCompositeClip);
-
- if (*xoff || *yoff)
- pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff);
- }
-
- /* Indexed table */
- if (pict->pFormat->index.devPrivate)
- pixman_image_set_indexed (image, pict->pFormat->index.devPrivate);
-
- /* Add in drawable origin to position within the image */
- *xoff += pict->pDrawable->x;
- *yoff += pict->pDrawable->y;
-
- return image;
-}
-
-static pixman_image_t *
-image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map);
-
-static void
-set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map)
-{
- pixman_repeat_t repeat;
- pixman_filter_t filter;
-
- if (pict->transform)
- {
- /* For source images, adjust the transform to account
- * for the drawable offset within the pixman image,
- * then set the offset to 0 as it will be used
- * to compute positions within the transformed image.
- */
- if (!has_clip) {
- struct pixman_transform adjusted;
-
- adjusted = *pict->transform;
- pixman_transform_translate(&adjusted,
- NULL,
- pixman_int_to_fixed(*xoff),
- pixman_int_to_fixed(*yoff));
- pixman_image_set_transform (image, &adjusted);
- *xoff = 0;
- *yoff = 0;
- } else
- pixman_image_set_transform (image, pict->transform);
- }
-
- switch (pict->repeatType)
- {
- default:
- case RepeatNone:
- repeat = PIXMAN_REPEAT_NONE;
- break;
-
- case RepeatPad:
- repeat = PIXMAN_REPEAT_PAD;
- break;
-
- case RepeatNormal:
- repeat = PIXMAN_REPEAT_NORMAL;
- break;
-
- case RepeatReflect:
- repeat = PIXMAN_REPEAT_REFLECT;
- break;
- }
-
- pixman_image_set_repeat (image, repeat);
-
- /* Fetch alpha map unless 'pict' is being used
- * as the alpha map for this operation
- */
- if (pict->alphaMap && !is_alpha_map)
- {
- int alpha_xoff, alpha_yoff;
- pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff, TRUE);
-
- pixman_image_set_alpha_map (
- image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y);
-
- free_pixman_pict (pict->alphaMap, alpha_map);
- }
-
- pixman_image_set_component_alpha (image, pict->componentAlpha);
-
- switch (pict->filter)
- {
- default:
- case PictFilterNearest:
- case PictFilterFast:
- filter = PIXMAN_FILTER_NEAREST;
- break;
-
- case PictFilterBilinear:
- case PictFilterGood:
- filter = PIXMAN_FILTER_BILINEAR;
- break;
-
- case PictFilterConvolution:
- filter = PIXMAN_FILTER_CONVOLUTION;
- break;
- }
-
- pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams);
- pixman_image_set_source_clipping (image, TRUE);
-}
-
-static pixman_image_t *
-image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map)
-{
- pixman_image_t *image = NULL;
-
- if (!pict)
- return NULL;
-
- if (pict->pDrawable)
- {
- image = create_bits_picture (pict, has_clip, xoff, yoff);
- }
- else if (pict->pSourcePict)
- {
- SourcePict *sp = pict->pSourcePict;
-
- if (sp->type == SourcePictTypeSolidFill)
- {
- image = create_solid_fill_image (pict);
- }
- else
- {
- PictGradient *gradient = &pict->pSourcePict->gradient;
-
- if (sp->type == SourcePictTypeLinear)
- image = create_linear_gradient_image (gradient);
- else if (sp->type == SourcePictTypeRadial)
- image = create_radial_gradient_image (gradient);
- else if (sp->type == SourcePictTypeConical)
- image = create_conical_gradient_image (gradient);
- }
- *xoff = *yoff = 0;
- }
-
- if (image)
- set_image_properties (image, pict, has_clip, xoff, yoff, is_alpha_map);
-
- return image;
-}
-
-pixman_image_t *
-image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff)
-{
- return image_from_pict_internal (pict, has_clip, xoff, yoff, FALSE);
-}
-
-void
-free_pixman_pict (PicturePtr pict, pixman_image_t *image)
-{
- if (image && pixman_image_unref (image) && pict->pDrawable)
- fbFinishAccess (pict->pDrawable);
-}
-
-Bool
-fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
-
- PictureScreenPtr ps;
-
- if (!miPictureInit (pScreen, formats, nformats))
- return FALSE;
- ps = GetPictureScreen(pScreen);
- ps->Composite = fbComposite;
- ps->Glyphs = miGlyphs;
- ps->CompositeRects = miCompositeRects;
- ps->RasterizeTrapezoid = fbRasterizeTrapezoid;
- ps->Trapezoids = fbTrapezoids;
- ps->AddTraps = fbAddTraps;
- ps->AddTriangles = fbAddTriangles;
- ps->Triangles = fbTriangles;
-
- return TRUE;
-}
+/* + * + * Copyright © 2000 SuSE, Inc. + * Copyright © 2007 Red Hat, Inc. + * + * 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 SuSE not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. SuSE makes no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE + * 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: Keith Packard, SuSE, Inc. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <string.h> + +#include "fb.h" + +#include "picturestr.h" +#include "mipict.h" +#include "fbpict.h" + +void +fbComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + pixman_image_t *src, *mask, *dest; + int src_xoff, src_yoff; + int msk_xoff, msk_yoff; + int dst_xoff, dst_yoff; + + miCompositeSourceValidate (pSrc); + if (pMask) + miCompositeSourceValidate (pMask); + + src = image_from_pict (pSrc, FALSE, &src_xoff, &src_yoff); + mask = image_from_pict (pMask, FALSE, &msk_xoff, &msk_yoff); + dest = image_from_pict (pDst, TRUE, &dst_xoff, &dst_yoff); + + if (src && dest && !(pMask && !mask)) + { + pixman_image_composite (op, src, mask, dest, + xSrc + src_xoff, ySrc + src_yoff, + xMask + msk_xoff, yMask + msk_yoff, + xDst + dst_xoff, yDst + dst_yoff, + width, height); + } + + free_pixman_pict (pSrc, src); + free_pixman_pict (pMask, mask); + free_pixman_pict (pDst, dest); +} + +static pixman_image_t * +create_solid_fill_image (PicturePtr pict) +{ + PictSolidFill *solid = &pict->pSourcePict->solidFill; + pixman_color_t color; + CARD32 a, r, g, b; + + a = (solid->color & 0xff000000) >> 24; + r = (solid->color & 0x00ff0000) >> 16; + g = (solid->color & 0x0000ff00) >> 8; + b = (solid->color & 0x000000ff) >> 0; + + color.alpha = (a << 8) | a; + color.red = (r << 8) | r; + color.green = (g << 8) | g; + color.blue = (b << 8) | b; + + return pixman_image_create_solid_fill (&color); +} + +static pixman_image_t * +create_linear_gradient_image (PictGradient *gradient) +{ + PictLinearGradient *linear = (PictLinearGradient *)gradient; + pixman_point_fixed_t p1; + pixman_point_fixed_t p2; + + p1.x = linear->p1.x; + p1.y = linear->p1.y; + p2.x = linear->p2.x; + p2.y = linear->p2.y; + + return pixman_image_create_linear_gradient ( + &p1, &p2, (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); +} + +static pixman_image_t * +create_radial_gradient_image (PictGradient *gradient) +{ + PictRadialGradient *radial = (PictRadialGradient *)gradient; + pixman_point_fixed_t c1; + pixman_point_fixed_t c2; + + c1.x = radial->c1.x; + c1.y = radial->c1.y; + c2.x = radial->c2.x; + c2.y = radial->c2.y; + + return pixman_image_create_radial_gradient ( + &c1, &c2, radial->c1.radius, + radial->c2.radius, + (pixman_gradient_stop_t *)gradient->stops, gradient->nstops); +} + +static pixman_image_t * +create_conical_gradient_image (PictGradient *gradient) +{ + PictConicalGradient *conical = (PictConicalGradient *)gradient; + pixman_point_fixed_t center; + + center.x = conical->center.x; + center.y = conical->center.y; + + return pixman_image_create_conical_gradient ( + ¢er, conical->angle, (pixman_gradient_stop_t *)gradient->stops, + gradient->nstops); +} + +static pixman_image_t * +create_bits_picture (PicturePtr pict, + Bool has_clip, + int *xoff, + int *yoff) +{ + PixmapPtr pixmap; + FbBits *bits; + FbStride stride; + int bpp; + pixman_image_t *image; + + fbGetDrawablePixmap (pict->pDrawable, pixmap, *xoff, *yoff); + fbGetPixmapBitsData(pixmap, bits, stride, bpp); + + image = pixman_image_create_bits ( + (pixman_format_code_t)pict->format, + pixmap->drawable.width, pixmap->drawable.height, + (uint32_t *)bits, stride * sizeof (FbStride)); + + +#ifdef FB_ACCESS_WRAPPER +#if FB_SHIFT==5 + + pixman_image_set_accessors (image, + (pixman_read_memory_func_t)wfbReadMemory, + (pixman_write_memory_func_t)wfbWriteMemory); + +#else + +#error The pixman library only works when FbBits is 32 bits wide + +#endif +#endif + + /* pCompositeClip is undefined for source pictures, so + * only set the clip region for pictures with drawables + */ + if (has_clip) + { + if (pict->clientClipType != CT_NONE) + pixman_image_set_has_client_clip (image, TRUE); + + if (*xoff || *yoff) + pixman_region_translate (pict->pCompositeClip, *xoff, *yoff); + + pixman_image_set_clip_region (image, pict->pCompositeClip); + + if (*xoff || *yoff) + pixman_region_translate (pict->pCompositeClip, -*xoff, -*yoff); + } + + /* Indexed table */ + if (pict->pFormat->index.devPrivate) + pixman_image_set_indexed (image, pict->pFormat->index.devPrivate); + + /* Add in drawable origin to position within the image */ + *xoff += pict->pDrawable->x; + *yoff += pict->pDrawable->y; + + return image; +} + +static pixman_image_t * +image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map); + +static void +set_image_properties (pixman_image_t *image, PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map) +{ + pixman_repeat_t repeat; + pixman_filter_t filter; + + if (pict->transform) + { + /* For source images, adjust the transform to account + * for the drawable offset within the pixman image, + * then set the offset to 0 as it will be used + * to compute positions within the transformed image. + */ + if (!has_clip) { + struct pixman_transform adjusted; + + adjusted = *pict->transform; + pixman_transform_translate(&adjusted, + NULL, + pixman_int_to_fixed(*xoff), + pixman_int_to_fixed(*yoff)); + pixman_image_set_transform (image, &adjusted); + *xoff = 0; + *yoff = 0; + } else + pixman_image_set_transform (image, pict->transform); + } + + switch (pict->repeatType) + { + default: + case RepeatNone: + repeat = PIXMAN_REPEAT_NONE; + break; + + case RepeatPad: + repeat = PIXMAN_REPEAT_PAD; + break; + + case RepeatNormal: + repeat = PIXMAN_REPEAT_NORMAL; + break; + + case RepeatReflect: + repeat = PIXMAN_REPEAT_REFLECT; + break; + } + + pixman_image_set_repeat (image, repeat); + + /* Fetch alpha map unless 'pict' is being used + * as the alpha map for this operation + */ + if (pict->alphaMap && !is_alpha_map) + { + int alpha_xoff, alpha_yoff; + pixman_image_t *alpha_map = image_from_pict_internal (pict->alphaMap, FALSE, &alpha_xoff, &alpha_yoff, TRUE); + + pixman_image_set_alpha_map ( + image, alpha_map, pict->alphaOrigin.x, pict->alphaOrigin.y); + + free_pixman_pict (pict->alphaMap, alpha_map); + } + + pixman_image_set_component_alpha (image, pict->componentAlpha); + + switch (pict->filter) + { + default: + case PictFilterNearest: + case PictFilterFast: + filter = PIXMAN_FILTER_NEAREST; + break; + + case PictFilterBilinear: + case PictFilterGood: + filter = PIXMAN_FILTER_BILINEAR; + break; + + case PictFilterConvolution: + filter = PIXMAN_FILTER_CONVOLUTION; + break; + } + + pixman_image_set_filter (image, filter, (pixman_fixed_t *)pict->filter_params, pict->filter_nparams); + pixman_image_set_source_clipping (image, TRUE); +} + +static pixman_image_t * +image_from_pict_internal (PicturePtr pict, Bool has_clip, int *xoff, int *yoff, Bool is_alpha_map) +{ + pixman_image_t *image = NULL; + + if (!pict) + return NULL; + + if (pict->pDrawable) + { + image = create_bits_picture (pict, has_clip, xoff, yoff); + } + else if (pict->pSourcePict) + { + SourcePict *sp = pict->pSourcePict; + + if (sp->type == SourcePictTypeSolidFill) + { + image = create_solid_fill_image (pict); + } + else + { + PictGradient *gradient = &pict->pSourcePict->gradient; + + if (sp->type == SourcePictTypeLinear) + image = create_linear_gradient_image (gradient); + else if (sp->type == SourcePictTypeRadial) + image = create_radial_gradient_image (gradient); + else if (sp->type == SourcePictTypeConical) + image = create_conical_gradient_image (gradient); + } + *xoff = *yoff = 0; + } + + if (image) + set_image_properties (image, pict, has_clip, xoff, yoff, is_alpha_map); + + return image; +} + +pixman_image_t * +image_from_pict (PicturePtr pict, Bool has_clip, int *xoff, int *yoff) +{ + return image_from_pict_internal (pict, has_clip, xoff, yoff, FALSE); +} + +void +free_pixman_pict (PicturePtr pict, pixman_image_t *image) +{ + if (image && pixman_image_unref (image) && pict->pDrawable) + fbFinishAccess (pict->pDrawable); +} + +Bool +fbPictureInit (ScreenPtr pScreen, PictFormatPtr formats, int nformats) +{ + + PictureScreenPtr ps; + + if (!miPictureInit (pScreen, formats, nformats)) + return FALSE; + ps = GetPictureScreen(pScreen); + ps->Composite = fbComposite; + ps->Glyphs = miGlyphs; + ps->CompositeRects = miCompositeRects; + ps->RasterizeTrapezoid = fbRasterizeTrapezoid; + ps->Trapezoids = fbTrapezoids; + ps->AddTraps = fbAddTraps; + ps->AddTriangles = fbAddTriangles; + ps->Triangles = fbTriangles; + + return TRUE; +} |