コード例 #1
0
ファイル: pixman_bitmap.cpp プロジェクト: take-cheeze/EasyRPG
void PixmanBitmap::FlipBlit(int x, int y, Bitmap* _src, Rect src_rect, bool horizontal, bool vertical) {
	if (!horizontal && !vertical) {
		Blit(x, y, _src, src_rect, 255);
		return;
	}

	PixmanBitmap* src = (PixmanBitmap*) _src;

	pixman_transform_t xform;
	pixman_transform_init_scale(&xform,
								pixman_int_to_fixed(horizontal ? -1 : 1),
								pixman_int_to_fixed(vertical ? -1 : 1));

	pixman_transform_translate((pixman_transform_t*) NULL, &xform,
							   pixman_int_to_fixed(horizontal ? src_rect.width : 0),
							   pixman_int_to_fixed(vertical ? src_rect.height : 0));

	pixman_image_set_transform(bitmap, &xform);

	pixman_image_composite32(PIXMAN_OP_SRC,
							 src->bitmap, (pixman_image_t*) NULL, bitmap,
							 src_rect.x, src_rect.y,
							 0, 0,
							 x, y,
							 src_rect.width, src_rect.height);

	pixman_transform_init_identity(&xform);
	pixman_image_set_transform(bitmap, &xform);

	RefreshCallback();
}
コード例 #2
0
/**
 * Helper function to implement video blit, handling clipping, damage, etc..
 *
 * TODO: move to EXA?
 */
int
OMAPVidCopyArea(DrawablePtr pSrcDraw, BoxPtr pSrcBox,
		DrawablePtr pOsdDraw, BoxPtr pOsdBox,
		DrawablePtr pDstDraw, BoxPtr pDstBox,
		OMAPPutTextureImageProc PutTextureImage, void *closure,
		RegionPtr clipBoxes)
{
	ScreenPtr pScreen = pDstDraw->pScreen;
	ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
	PixmapPtr pSrcPix = draw2pix(pSrcDraw);
	PixmapPtr pOsdPix = draw2pix(pOsdDraw);
	PixmapPtr pDstPix = draw2pix(pDstDraw);
	pixman_fixed_t sx, sy, tx, ty;
	pixman_transform_t srcxfrm;
	BoxPtr pbox;
	int nbox, dx, dy, ret = Success;

#ifdef COMPOSITE
	DEBUG_MSG("--> %dx%d, %dx%d", pDstPix->screen_x, pDstPix->screen_y,
			pDstDraw->x, pDstDraw->y);
	/* Convert screen coords to pixmap coords */
	if (pDstPix->screen_x || pDstPix->screen_y) {
		RegionTranslate(clipBoxes, -pDstPix->screen_x, -pDstPix->screen_y);
	}
	dx = pDstPix->screen_x;
	dy = pDstPix->screen_y;
#else
	dx = 0;
	dy = 0;
#endif

	/* the clip-region gives coordinates in dst's coord space..  generate
	 * a transform that can be used to work backwards from dst->src coord
	 * space:
	 */
	sx = ((pixman_fixed_48_16_t) (pSrcBox->x2 - pSrcBox->x1) << 16) /
			(pDstBox->x2 - pDstBox->x1);
	sy = ((pixman_fixed_48_16_t) (pSrcBox->y2 - pSrcBox->y1) << 16) /
			(pDstBox->y2 - pDstBox->y1);
	tx = ((pixman_fixed_48_16_t)(pDstBox->x1 - pSrcBox->x1 - dx) << 16);
	ty = ((pixman_fixed_48_16_t)(pDstBox->y1 - pSrcBox->y1 - dy) << 16);

	pixman_transform_init_scale(&srcxfrm, sx, sy);
	pixman_transform_translate(NULL, &srcxfrm, tx, ty);

	// TODO generate transform for osd as well

	pbox = RegionRects(clipBoxes);
	nbox = RegionNumRects(clipBoxes);

	while (nbox--) {
		RegionRec damage;
		BoxRec dstb = *pbox;
		BoxRec srcb = *pbox;
		BoxRec osdb = *pbox;

		pixman_transform_bounds(&srcxfrm, &srcb);
		//pixman_transform_bounds(&osdxfrm, &osdb);

		DEBUG_MSG("%d,%d %d,%d -> %d,%d %d,%d",
				srcb.x1, srcb.y1, srcb.x2, srcb.y2,
				dstb.x1, dstb.y1, dstb.x2, dstb.y2);

		ret = PutTextureImage(pSrcPix, &srcb, pOsdPix, &osdb,
				pDstPix, &dstb, closure);
		if (ret != Success) {
			break;
		}

		RegionInit(&damage, &dstb, 1);

#ifdef COMPOSITE
		/* Convert screen coords to pixmap coords */
		if (pDstPix->screen_x || pDstPix->screen_y) {
			RegionTranslate(&damage, pDstPix->screen_x, pDstPix->screen_y);
		}
#endif

		DamageRegionAppend(pDstDraw, &damage);
		RegionUninit(&damage);

		pbox++;
	}

	DamageRegionProcessPending(pDstDraw);

	return ret;
}
コード例 #3
0
/*
 * Composite operation with pseudorandom images
 */
uint32_t
test_composite (int      testnum,
		int      verbose)
{
    int                i;
    pixman_image_t *   src_img;
    pixman_image_t *   dst_img;
    pixman_transform_t transform;
    pixman_region16_t  clip;
    int                src_width, src_height;
    int                dst_width, dst_height;
    int                src_stride, dst_stride;
    int                src_x, src_y;
    int                dst_x, dst_y;
    int                src_bpp;
    int                dst_bpp;
    int                w, h;
    pixman_fixed_t     scale_x = 65536, scale_y = 65536;
    pixman_fixed_t     translate_x = 0, translate_y = 0;
    int                op;
    int                repeat = 0;
    int                src_fmt, dst_fmt;
    uint32_t *         srcbuf;
    uint32_t *         dstbuf;
    uint32_t           crc32;

    lcg_srand (testnum);

    src_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
    dst_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
    op = (lcg_rand_n (2) == 0) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;

    src_width = lcg_rand_n (MAX_SRC_WIDTH) + 1;
    src_height = lcg_rand_n (MAX_SRC_HEIGHT) + 1;
    dst_width = lcg_rand_n (MAX_DST_WIDTH) + 1;
    dst_height = lcg_rand_n (MAX_DST_HEIGHT) + 1;
    src_stride = src_width * src_bpp + lcg_rand_n (MAX_STRIDE) * src_bpp;
    dst_stride = dst_width * dst_bpp + lcg_rand_n (MAX_STRIDE) * dst_bpp;

    if (src_stride & 3)
	src_stride += 2;

    if (dst_stride & 3)
	dst_stride += 2;

    src_x = -(src_width / 4) + lcg_rand_n (src_width * 3 / 2);
    src_y = -(src_height / 4) + lcg_rand_n (src_height * 3 / 2);
    dst_x = -(dst_width / 4) + lcg_rand_n (dst_width * 3 / 2);
    dst_y = -(dst_height / 4) + lcg_rand_n (dst_height * 3 / 2);
    w = lcg_rand_n (dst_width * 3 / 2 - dst_x);
    h = lcg_rand_n (dst_height * 3 / 2 - dst_y);

    srcbuf = (uint32_t *)malloc (src_stride * src_height);
    dstbuf = (uint32_t *)malloc (dst_stride * dst_height);

    for (i = 0; i < src_stride * src_height; i++)
	*((uint8_t *)srcbuf + i) = lcg_rand_n (256);

    for (i = 0; i < dst_stride * dst_height; i++)
	*((uint8_t *)dstbuf + i) = lcg_rand_n (256);

    src_fmt = src_bpp == 4 ? (lcg_rand_n (2) == 0 ?
                              PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;

    dst_fmt = dst_bpp == 4 ? (lcg_rand_n (2) == 0 ?
                              PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;

    src_img = pixman_image_create_bits (
        src_fmt, src_width, src_height, srcbuf, src_stride);

    dst_img = pixman_image_create_bits (
        dst_fmt, dst_width, dst_height, dstbuf, dst_stride);

    image_endian_swap (src_img, src_bpp * 8);
    image_endian_swap (dst_img, dst_bpp * 8);

    if (lcg_rand_n (8) > 0)
    {
	scale_x = -32768 * 3 + lcg_rand_N (65536 * 5);
	scale_y = -32768 * 3 + lcg_rand_N (65536 * 5);
	translate_x = lcg_rand_N (65536);
	translate_y = lcg_rand_N (65536);
	pixman_transform_init_scale (&transform, scale_x, scale_y);
	pixman_transform_translate (&transform, NULL, translate_x, translate_y);
	pixman_image_set_transform (src_img, &transform);
    }

    switch (lcg_rand_n (4))
    {
    case 0:
	repeat = PIXMAN_REPEAT_NONE;
	break;

    case 1:
	repeat = PIXMAN_REPEAT_NORMAL;
	break;

    case 2:
	repeat = PIXMAN_REPEAT_PAD;
	break;

    case 3:
	repeat = PIXMAN_REPEAT_REFLECT;
	break;

    default:
        break;
    }
    pixman_image_set_repeat (src_img, repeat);

    if (lcg_rand_n (2))
	pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0);
    else
	pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0);

    if (verbose)
    {
	printf ("src_fmt=%08X, dst_fmt=%08X\n", src_fmt, dst_fmt);
	printf ("op=%d, scale_x=%d, scale_y=%d, repeat=%d\n",
	        op, scale_x, scale_y, repeat);
	printf ("translate_x=%d, translate_y=%d\n",
	        translate_x, translate_y);
	printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n",
	        src_width, src_height, dst_width, dst_height);
	printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n",
	        src_x, src_y, dst_x, dst_y);
	printf ("w=%d, h=%d\n", w, h);
    }

    if (lcg_rand_n (8) == 0)
    {
	pixman_box16_t clip_boxes[2];
	int            n = lcg_rand_n (2) + 1;

	for (i = 0; i < n; i++)
	{
	    clip_boxes[i].x1 = lcg_rand_n (src_width);
	    clip_boxes[i].y1 = lcg_rand_n (src_height);
	    clip_boxes[i].x2 =
		clip_boxes[i].x1 + lcg_rand_n (src_width - clip_boxes[i].x1);
	    clip_boxes[i].y2 =
		clip_boxes[i].y1 + lcg_rand_n (src_height - clip_boxes[i].y1);

	    if (verbose)
	    {
		printf ("source clip box: [%d,%d-%d,%d]\n",
		        clip_boxes[i].x1, clip_boxes[i].y1,
		        clip_boxes[i].x2, clip_boxes[i].y2);
	    }
	}

	pixman_region_init_rects (&clip, clip_boxes, n);
	pixman_image_set_clip_region (src_img, &clip);
	pixman_image_set_source_clipping (src_img, 1);
	pixman_region_fini (&clip);
    }

    if (lcg_rand_n (8) == 0)
    {
	pixman_box16_t clip_boxes[2];
	int            n = lcg_rand_n (2) + 1;
	for (i = 0; i < n; i++)
	{
	    clip_boxes[i].x1 = lcg_rand_n (dst_width);
	    clip_boxes[i].y1 = lcg_rand_n (dst_height);
	    clip_boxes[i].x2 =
		clip_boxes[i].x1 + lcg_rand_n (dst_width - clip_boxes[i].x1);
	    clip_boxes[i].y2 =
		clip_boxes[i].y1 + lcg_rand_n (dst_height - clip_boxes[i].y1);

	    if (verbose)
	    {
		printf ("destination clip box: [%d,%d-%d,%d]\n",
		        clip_boxes[i].x1, clip_boxes[i].y1,
		        clip_boxes[i].x2, clip_boxes[i].y2);
	    }
	}
	pixman_region_init_rects (&clip, clip_boxes, n);
	pixman_image_set_clip_region (dst_img, &clip);
	pixman_region_fini (&clip);
    }

    pixman_image_composite (op, src_img, NULL, dst_img,
                            src_x, src_y, 0, 0, dst_x, dst_y, w, h);

    if (dst_fmt == PIXMAN_x8r8g8b8)
    {
	/* ignore unused part */
	for (i = 0; i < dst_stride * dst_height / 4; i++)
	    dstbuf[i] &= 0xFFFFFF;
    }

    image_endian_swap (dst_img, dst_bpp * 8);

    if (verbose)
    {
	int j;
	
	for (i = 0; i < dst_height; i++)
	{
	    for (j = 0; j < dst_stride; j++)
		printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));

	    printf ("\n");
	}
    }

    pixman_image_unref (src_img);
    pixman_image_unref (dst_img);

    crc32 = compute_crc32 (0, dstbuf, dst_stride * dst_height);
    free (srcbuf);
    free (dstbuf);
    return crc32;
}
コード例 #4
0
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;
    }

    if (pict->pDrawable)
        pixman_image_set_destroy_function(image, &image_destroy,
                                          pict->pDrawable);

    pixman_image_set_filter(image, filter,
                            (pixman_fixed_t *) pict->filter_params,
                            pict->filter_nparams);
    pixman_image_set_source_clipping(image, TRUE);
}
コード例 #5
0
static void
repaint_region(struct weston_view *ev, struct weston_output *output,
	       pixman_region32_t *region, pixman_region32_t *surf_region,
	       pixman_op_t pixman_op)
{
	struct pixman_renderer *pr =
		(struct pixman_renderer *) output->compositor->renderer;
	struct pixman_surface_state *ps = get_surface_state(ev->surface);
	struct pixman_output_state *po = get_output_state(output);
	pixman_region32_t final_region;
	float view_x, view_y;
	pixman_transform_t transform;
	pixman_fixed_t fw, fh;

	/* The final region to be painted is the intersection of
	 * 'region' and 'surf_region'. However, 'region' is in the global
	 * coordinates, and 'surf_region' is in the surface-local
	 * coordinates
	 */
	pixman_region32_init(&final_region);
	if (surf_region) {
		pixman_region32_copy(&final_region, surf_region);

		/* Convert from surface to global coordinates */
		if (!ev->transform.enabled) {
			pixman_region32_translate(&final_region, ev->geometry.x, ev->geometry.y);
		} else {
			weston_view_to_global_float(ev, 0, 0, &view_x, &view_y);
			pixman_region32_translate(&final_region, (int)view_x, (int)view_y);
		}

		/* We need to paint the intersection */
		pixman_region32_intersect(&final_region, &final_region, region);
	} else {
		/* If there is no surface region, just use the global region */
		pixman_region32_copy(&final_region, region);
	}

	/* Convert from global to output coord */
	region_global_to_output(output, &final_region);

	/* And clip to it */
	pixman_image_set_clip_region32 (po->shadow_image, &final_region);

	/* Set up the source transformation based on the surface
	   position, the output position/transform/scale and the client
	   specified buffer transform/scale */
	pixman_transform_init_identity(&transform);
	pixman_transform_scale(&transform, NULL,
			       pixman_double_to_fixed ((double)1.0/output->current_scale),
			       pixman_double_to_fixed ((double)1.0/output->current_scale));

	fw = pixman_int_to_fixed(output->width);
	fh = pixman_int_to_fixed(output->height);
	switch (output->transform) {
	default:
	case WL_OUTPUT_TRANSFORM_NORMAL:
	case WL_OUTPUT_TRANSFORM_FLIPPED:
		break;
	case WL_OUTPUT_TRANSFORM_90:
	case WL_OUTPUT_TRANSFORM_FLIPPED_90:
		pixman_transform_rotate(&transform, NULL, 0, -pixman_fixed_1);
		pixman_transform_translate(&transform, NULL, 0, fh);
		break;
	case WL_OUTPUT_TRANSFORM_180:
	case WL_OUTPUT_TRANSFORM_FLIPPED_180:
		pixman_transform_rotate(&transform, NULL, -pixman_fixed_1, 0);
		pixman_transform_translate(&transform, NULL, fw, fh);
		break;
	case WL_OUTPUT_TRANSFORM_270:
	case WL_OUTPUT_TRANSFORM_FLIPPED_270:
		pixman_transform_rotate(&transform, NULL, 0, pixman_fixed_1);
		pixman_transform_translate(&transform, NULL, fw, 0);
		break;
	}

	switch (output->transform) {
	case WL_OUTPUT_TRANSFORM_FLIPPED:
	case WL_OUTPUT_TRANSFORM_FLIPPED_90:
	case WL_OUTPUT_TRANSFORM_FLIPPED_180:
	case WL_OUTPUT_TRANSFORM_FLIPPED_270:
		pixman_transform_scale(&transform, NULL,
				       pixman_int_to_fixed (-1),
				       pixman_int_to_fixed (1));
		pixman_transform_translate(&transform, NULL, fw, 0);
		break;
	}

        pixman_transform_translate(&transform, NULL,
				   pixman_double_to_fixed (output->x),
				   pixman_double_to_fixed (output->y));

	if (ev->transform.enabled) {
		/* Pixman supports only 2D transform matrix, but Weston uses 3D,
		 * so we're omitting Z coordinate here
		 */
		pixman_transform_t surface_transform = {{
				{ D2F(ev->transform.matrix.d[0]),
				  D2F(ev->transform.matrix.d[4]),
				  D2F(ev->transform.matrix.d[12]),
				},
				{ D2F(ev->transform.matrix.d[1]),
				  D2F(ev->transform.matrix.d[5]),
				  D2F(ev->transform.matrix.d[13]),
				},
				{ D2F(ev->transform.matrix.d[3]),
				  D2F(ev->transform.matrix.d[7]),
				  D2F(ev->transform.matrix.d[15]),
				}
			}};

		pixman_transform_invert(&surface_transform, &surface_transform);
		pixman_transform_multiply (&transform, &surface_transform, &transform);
	} else {
		pixman_transform_translate(&transform, NULL,
					   pixman_double_to_fixed ((double)-ev->geometry.x),
					   pixman_double_to_fixed ((double)-ev->geometry.y));
	}

	if (ev->surface->buffer_viewport.scaler_set) {
		double scaler_x, scaler_y, scaler_width, scaler_height;
		double ratio_x, ratio_y;

		scaler_x = wl_fixed_to_double(ev->surface->buffer_viewport.src_x);
		scaler_y = wl_fixed_to_double(ev->surface->buffer_viewport.src_y);
		scaler_width = wl_fixed_to_double(ev->surface->buffer_viewport.src_width);
		scaler_height = wl_fixed_to_double(ev->surface->buffer_viewport.src_height);

		ratio_x = scaler_width / ev->surface->buffer_viewport.dst_width;
		ratio_y = scaler_height / ev->surface->buffer_viewport.dst_height;

		pixman_transform_scale(&transform, NULL,
				       pixman_double_to_fixed(ratio_x),
				       pixman_double_to_fixed(ratio_y));
		pixman_transform_translate(&transform, NULL, pixman_double_to_fixed(scaler_x),
							     pixman_double_to_fixed(scaler_y));
	}

	pixman_transform_scale(&transform, NULL,
			       pixman_double_to_fixed(ev->surface->buffer_viewport.scale),
			       pixman_double_to_fixed(ev->surface->buffer_viewport.scale));

	fw = pixman_int_to_fixed(pixman_image_get_width(ps->image));
	fh = pixman_int_to_fixed(pixman_image_get_height(ps->image));

	switch (ev->surface->buffer_viewport.transform) {
	case WL_OUTPUT_TRANSFORM_FLIPPED:
	case WL_OUTPUT_TRANSFORM_FLIPPED_90:
	case WL_OUTPUT_TRANSFORM_FLIPPED_180:
	case WL_OUTPUT_TRANSFORM_FLIPPED_270:
		pixman_transform_scale(&transform, NULL,
				       pixman_int_to_fixed (-1),
				       pixman_int_to_fixed (1));
		pixman_transform_translate(&transform, NULL, fw, 0);
		break;
	}

	switch (ev->surface->buffer_viewport.transform) {
	default:
	case WL_OUTPUT_TRANSFORM_NORMAL:
	case WL_OUTPUT_TRANSFORM_FLIPPED:
		break;
	case WL_OUTPUT_TRANSFORM_90:
	case WL_OUTPUT_TRANSFORM_FLIPPED_90:
		pixman_transform_rotate(&transform, NULL, 0, pixman_fixed_1);
		pixman_transform_translate(&transform, NULL, fh, 0);
		break;
	case WL_OUTPUT_TRANSFORM_180:
	case WL_OUTPUT_TRANSFORM_FLIPPED_180:
		pixman_transform_rotate(&transform, NULL, -pixman_fixed_1, 0);
		pixman_transform_translate(&transform, NULL, fw, fh);
		break;
	case WL_OUTPUT_TRANSFORM_270:
	case WL_OUTPUT_TRANSFORM_FLIPPED_270:
		pixman_transform_rotate(&transform, NULL, 0, -pixman_fixed_1);
		pixman_transform_translate(&transform, NULL, 0, fw);
		break;
	}

	pixman_image_set_transform(ps->image, &transform);

	if (ev->transform.enabled || output->current_scale != ev->surface->buffer_viewport.scale)
		pixman_image_set_filter(ps->image, PIXMAN_FILTER_BILINEAR, NULL, 0);
	else
		pixman_image_set_filter(ps->image, PIXMAN_FILTER_NEAREST, NULL, 0);

	if (ps->buffer_ref.buffer)
		wl_shm_buffer_begin_access(ps->buffer_ref.buffer->shm_buffer);

	pixman_image_composite32(pixman_op,
				 ps->image, /* src */
				 NULL /* mask */,
				 po->shadow_image, /* dest */
				 0, 0, /* src_x, src_y */
				 0, 0, /* mask_x, mask_y */
				 0, 0, /* dest_x, dest_y */
				 pixman_image_get_width (po->shadow_image), /* width */
				 pixman_image_get_height (po->shadow_image) /* height */);

	if (ps->buffer_ref.buffer)
		wl_shm_buffer_end_access(ps->buffer_ref.buffer->shm_buffer);

	if (pr->repaint_debug)
		pixman_image_composite32(PIXMAN_OP_OVER,
					 pr->debug_color, /* src */
					 NULL /* mask */,
					 po->shadow_image, /* dest */
					 0, 0, /* src_x, src_y */
					 0, 0, /* mask_x, mask_y */
					 0, 0, /* dest_x, dest_y */
					 pixman_image_get_width (po->shadow_image), /* width */
					 pixman_image_get_height (po->shadow_image) /* height */);

	pixman_image_set_clip_region32 (po->shadow_image, NULL);

	pixman_region32_fini(&final_region);
}
コード例 #6
0
ファイル: radial-test.c プロジェクト: Html5Lexloo/o3d
int
main (int argc, char **argv)
{
    pixman_transform_t transform;
    pixman_image_t *src_img, *dest_img;
    int i, j;

    enable_fp_exceptions ();

    dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8,
					 WIDTH, HEIGHT,
					 NULL, 0);

    pixman_transform_init_identity (&transform);

    /*
     * The create_radial() function returns gradients centered in the
     * origin and whose interesting part fits a 1x1 square. We want to
     * paint these gradients on a SIZExSIZE square and to make things
     * easier we want the origin in the top-left corner of the square
     * we want to see.
     */
    pixman_transform_translate (NULL, &transform,
				pixman_double_to_fixed (0.5),
				pixman_double_to_fixed (0.5));

    pixman_transform_scale (NULL, &transform,
			    pixman_double_to_fixed (SIZE),
			    pixman_double_to_fixed (SIZE));

    /*
     * Gradients are evaluated at the center of each pixel, so we need
     * to translate by half a pixel to trigger some interesting
     * cornercases. In particular, the original implementation of PDF
     * radial gradients tried to divide by 0 when using this transform
     * on the "tangent circles" cases.
     */
    pixman_transform_translate (NULL, &transform,
				pixman_double_to_fixed (0.5),
				pixman_double_to_fixed (0.5));

    for (i = 0; i < NUM_GRADIENTS; i++)
    {
	src_img = create_radial (i);
	pixman_image_set_transform (src_img, &transform);

	for (j = 0; j < NUM_REPEAT; j++)
	{
	    pixman_image_set_repeat (src_img, repeat[j]);

	    pixman_image_composite32 (PIXMAN_OP_OVER,
				      src_img,
				      NULL,
				      dest_img,
				      0, 0,
				      0, 0,
				      i * SIZE, j * SIZE,
				      SIZE, SIZE);

	}

	pixman_image_unref (src_img);
    }

    show_image (dest_img);

    pixman_image_unref (dest_img);

    return 0;
}
コード例 #7
0
ファイル: pixman-renderer.c プロジェクト: Holusion/weston
static void
composite_clipped(pixman_image_t *src,
		  pixman_image_t *mask,
		  pixman_image_t *dest,
		  const pixman_transform_t *transform,
		  pixman_filter_t filter,
		  pixman_region32_t *src_clip)
{
	int n_box;
	pixman_box32_t *boxes;
	int32_t dest_width;
	int32_t dest_height;
	int src_stride;
	int bitspp;
	pixman_format_code_t src_format;
	void *src_data;
	int i;

	/* Hardcoded to use PIXMAN_OP_OVER, because sampling outside of
	 * a Pixman image produces (0,0,0,0) instead of discarding the
	 * fragment.
	 */

	dest_width = pixman_image_get_width(dest);
	dest_height = pixman_image_get_height(dest);
	src_format = pixman_image_get_format(src);
	src_stride = pixman_image_get_stride(src);
	bitspp = PIXMAN_FORMAT_BPP(src_format);
	src_data = pixman_image_get_data(src);

	assert(src_format);

	/* This would be massive overdraw, except when n_box is 1. */
	boxes = pixman_region32_rectangles(src_clip, &n_box);
	for (i = 0; i < n_box; i++) {
		uint8_t *ptr = src_data;
		pixman_image_t *boximg;
		pixman_transform_t adj = *transform;

		ptr += boxes[i].y1 * src_stride;
		ptr += boxes[i].x1 * bitspp / 8;
		boximg = pixman_image_create_bits_no_clear(src_format,
					boxes[i].x2 - boxes[i].x1,
					boxes[i].y2 - boxes[i].y1,
					(uint32_t *)ptr, src_stride);

		pixman_transform_translate(&adj, NULL,
					   pixman_int_to_fixed(-boxes[i].x1),
					   pixman_int_to_fixed(-boxes[i].y1));
		pixman_image_set_transform(boximg, &adj);

		pixman_image_set_filter(boximg, filter, NULL, 0);
		pixman_image_composite32(PIXMAN_OP_OVER, boximg, mask, dest,
					 0, 0, /* src_x, src_y */
					 0, 0, /* mask_x, mask_y */
					 0, 0, /* dest_x, dest_y */
					 dest_width, dest_height);

		pixman_image_unref(boximg);
	}

	if (n_box > 1) {
		static bool warned = false;

		if (!warned)
			weston_log("Pixman-renderer warning: %dx overdraw\n",
				   n_box);
		warned = true;
	}
}