Пример #1
0
static void
copy_to_hw_buffer(struct weston_output *output, pixman_region32_t *region)
{
	struct pixman_output_state *po = get_output_state(output);
	pixman_region32_t output_region;

	pixman_region32_init(&output_region);
	pixman_region32_copy(&output_region, region);

	region_global_to_output(output, &output_region);

	pixman_image_set_clip_region32 (po->hw_buffer, &output_region);

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

	pixman_image_set_clip_region32 (po->hw_buffer, NULL);
}
Пример #2
0
cairo_surface_t *
_cairo_image_surface_create_for_pixman_image (pixman_image_t *pixman_image,
					      cairo_format_t  format)
{
    cairo_image_surface_t *surface;

    surface = malloc (sizeof (cairo_image_surface_t));
    if (surface == NULL) {
	_cairo_error (CAIRO_STATUS_NO_MEMORY);
	return (cairo_surface_t*) &_cairo_surface_nil;
    }

    _cairo_surface_init (&surface->base, &cairo_image_surface_backend);

    surface->pixman_image = pixman_image;

    surface->format = format;
    surface->data = (unsigned char *) pixman_image_get_data (pixman_image);
    surface->owns_data = FALSE;
    surface->has_clip = FALSE;

    surface->width = pixman_image_get_width (pixman_image);
    surface->height = pixman_image_get_height (pixman_image);
    surface->stride = pixman_image_get_stride (pixman_image);
    surface->depth = pixman_image_get_depth (pixman_image);

    return &surface->base;
}
Пример #3
0
cairo_surface_t *
_cairo_image_surface_create_for_pixman_image (pixman_image_t		*pixman_image,
					      pixman_format_code_t	 pixman_format)
{
    cairo_image_surface_t *surface;

    surface = malloc (sizeof (cairo_image_surface_t));
    if (surface == NULL)
	return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));

    _cairo_surface_init (&surface->base, &_cairo_image_surface_backend,
			 _cairo_content_from_pixman_format (pixman_format));

    surface->pixman_image = pixman_image;

    surface->pixman_format = pixman_format;
    surface->format = _cairo_format_from_pixman_format (pixman_format);
    surface->data = (unsigned char *) pixman_image_get_data (pixman_image);
    surface->owns_data = FALSE;
    surface->has_clip = FALSE;
    surface->transparency = CAIRO_IMAGE_UNKNOWN;

    surface->width = pixman_image_get_width (pixman_image);
    surface->height = pixman_image_get_height (pixman_image);
    surface->stride = pixman_image_get_stride (pixman_image);
    surface->depth = pixman_image_get_depth (pixman_image);

    return &surface->base;
}
Пример #4
0
pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
                                          pixman_image_t *image)
{
    return pixman_image_create_bits(format,
                                    pixman_image_get_width(image),
                                    pixman_image_get_height(image),
                                    NULL,
                                    pixman_image_get_stride(image));
}
Пример #5
0
static void
pixman_renderer_surface_get_content_size(struct weston_surface *surface,
					 int *width, int *height)
{
	struct pixman_surface_state *ps = get_surface_state(surface);

	if (ps->image) {
		*width = pixman_image_get_width(ps->image);
		*height = pixman_image_get_height(ps->image);
	} else {
		*width = 0;
		*height = 0;
	}
}
Пример #6
0
static int
pixman_renderer_read_pixels(struct weston_output *output,
			       pixman_format_code_t format, void *pixels,
			       uint32_t x, uint32_t y,
			       uint32_t width, uint32_t height)
{
	struct pixman_output_state *po = get_output_state(output);
	pixman_transform_t transform;
	pixman_image_t *out_buf;

	if (!po->hw_buffer) {
		errno = ENODEV;
		return -1;
	}

	out_buf = pixman_image_create_bits(format,
		width,
		height,
		pixels,
		(PIXMAN_FORMAT_BPP(format) / 8) * width);

	/* Caller expects vflipped source image */
	pixman_transform_init_translate(&transform,
					pixman_int_to_fixed (x),
					pixman_int_to_fixed (y - pixman_image_get_height (po->hw_buffer)));
	pixman_transform_scale(&transform, NULL,
			       pixman_fixed_1,
			       pixman_fixed_minus_1);
	pixman_image_set_transform(po->hw_buffer, &transform);

	pixman_image_composite32(PIXMAN_OP_SRC,
				 po->hw_buffer, /* src */
				 NULL /* mask */,
				 out_buf, /* dest */
				 0, 0, /* src_x, src_y */
				 0, 0, /* mask_x, mask_y */
				 0, 0, /* dest_x, dest_y */
				 pixman_image_get_width (po->hw_buffer), /* width */
				 pixman_image_get_height (po->hw_buffer) /* height */);
	pixman_image_set_transform(po->hw_buffer, NULL);

	pixman_image_unref(out_buf);

	return 0;
}
Пример #7
0
static void
create_border(struct wayland_compositor *c)
{
	pixman_image_t *image;
	int32_t edges[4];

	image = load_image(DATADIR "/weston/border.png");
	if (!image) {
		weston_log("could'nt load border image\n");
		return;
	}

	edges[0] = c->border.left;
	edges[1] = c->border.right;
	edges[2] = c->border.top;
	edges[3] = c->border.bottom;

	gl_renderer_set_border(&c->base, pixman_image_get_width(image),
		pixman_image_get_height(image),
		pixman_image_get_data(image), edges);

	pixman_image_unref(image);
}
Пример #8
0
static void
composite_whole(pixman_op_t op,
		pixman_image_t *src,
		pixman_image_t *mask,
		pixman_image_t *dest,
		const pixman_transform_t *transform,
		pixman_filter_t filter)
{
	int32_t dest_width;
	int32_t dest_height;

	dest_width = pixman_image_get_width(dest);
	dest_height = pixman_image_get_height(dest);

	pixman_image_set_transform(src, transform);
	pixman_image_set_filter(src, filter, NULL, 0);

	pixman_image_composite32(op, src, mask, dest,
				 0, 0, /* src_x, src_y */
				 0, 0, /* mask_x, mask_y */
				 0, 0, /* dest_x, dest_y */
				 dest_width, dest_height);
}
Пример #9
0
void
_cairo_image_surface_init (cairo_image_surface_t *surface,
			   pixman_image_t	*pixman_image,
			   pixman_format_code_t	 pixman_format)
{
    surface->parent = NULL;
    surface->pixman_image = pixman_image;

    surface->pixman_format = pixman_format;
    surface->format = _cairo_format_from_pixman_format (pixman_format);
    surface->data = (uint8_t *) pixman_image_get_data (pixman_image);
    surface->owns_data = FALSE;
    surface->transparency = CAIRO_IMAGE_UNKNOWN;
    surface->color = CAIRO_IMAGE_UNKNOWN_COLOR;

    surface->width = pixman_image_get_width (pixman_image);
    surface->height = pixman_image_get_height (pixman_image);
    surface->stride = pixman_image_get_stride (pixman_image);
    surface->depth = pixman_image_get_depth (pixman_image);

    surface->base.is_clear = surface->width == 0 || surface->height == 0;

    surface->compositor = _cairo_image_spans_compositor_get ();
}
Пример #10
0
static void
rescale (GtkWidget *may_be_null, app_t *app)
{
    pixman_f_transform_t ftransform;
    pixman_transform_t transform;
    double new_width, new_height;
    double fscale_x, fscale_y;
    double rotation;
    pixman_fixed_t *params;
    int n_params;
    double sx, sy;

    pixman_f_transform_init_identity (&ftransform);

    if (may_be_null && gtk_toggle_button_get_active (
	    GTK_TOGGLE_BUTTON (get_widget (app, "lock_checkbutton"))))
    {
	copy_to_counterpart (app, G_OBJECT (may_be_null));
    }
    
    fscale_x = gtk_adjustment_get_value (app->scale_x_adjustment);
    fscale_y = gtk_adjustment_get_value (app->scale_y_adjustment);
    rotation = gtk_adjustment_get_value (app->rotate_adjustment);

    fscale_x = to_scale (fscale_x);
    fscale_y = to_scale (fscale_y);
    
    new_width = pixman_image_get_width (app->original) * fscale_x;
    new_height = pixman_image_get_height (app->original) * fscale_y;

    pixman_f_transform_scale (&ftransform, NULL, fscale_x, fscale_y);

    pixman_f_transform_translate (&ftransform, NULL, - new_width / 2.0, - new_height / 2.0);

    rotation = (rotation / 360.0) * 2 * M_PI;
    pixman_f_transform_rotate (&ftransform, NULL, cos (rotation), sin (rotation));

    pixman_f_transform_translate (&ftransform, NULL, new_width / 2.0, new_height / 2.0);

    pixman_f_transform_invert (&ftransform, &ftransform);

    compute_extents (&ftransform, &sx, &sy);
    
    pixman_transform_from_pixman_f_transform (&transform, &ftransform);
    pixman_image_set_transform (app->original, &transform);

    params = pixman_filter_create_separable_convolution (
        &n_params,
        sx * 65536.0 + 0.5,
	sy * 65536.0 + 0.5,
	get_value (app, filters, "reconstruct_x_combo_box"),
	get_value (app, filters, "reconstruct_y_combo_box"),
	get_value (app, filters, "sample_x_combo_box"),
	get_value (app, filters, "sample_y_combo_box"),
	gtk_adjustment_get_value (app->subsample_adjustment),
	gtk_adjustment_get_value (app->subsample_adjustment));

    pixman_image_set_filter (app->original, PIXMAN_FILTER_SEPARABLE_CONVOLUTION, params, n_params);

    pixman_image_set_repeat (
        app->original, get_value (app, repeats, "repeat_combo_box"));
    
    free (params);

    app->scaled_width = ceil (new_width);
    app->scaled_height = ceil (new_height);
    
    gtk_widget_set_size_request (
        get_widget (app, "drawing_area"), new_width + 0.5, new_height + 0.5);

    gtk_widget_queue_draw (
        get_widget (app, "drawing_area"));
}
Пример #11
0
/*
 * Composite operation with pseudorandom images
 */
uint32_t
test_composite (int testnum, int verbose)
{
    pixman_image_t *src_img = NULL;
    pixman_image_t *dst_img = NULL;
    pixman_image_t *mask_img = NULL;
    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 mask_x, mask_y;
    int w, h;
    pixman_op_t op;
    pixman_format_code_t src_fmt, dst_fmt, mask_fmt;
    uint32_t *srcbuf, *maskbuf;
    uint32_t crc32;
    int max_width, max_height, max_extra_stride;
    FLOAT_REGS_CORRUPTION_DETECTOR_START ();

    max_width = max_height = 24 + testnum / 10000;
    max_extra_stride = 4 + testnum / 1000000;

    if (max_width > 256)
	max_width = 256;

    if (max_height > 16)
	max_height = 16;

    if (max_extra_stride > 8)
	max_extra_stride = 8;

    prng_srand (testnum);

    op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))];

    if (prng_rand_n (8))
    {
	/* normal image */
	src_img = create_random_image (img_fmt_list, max_width, max_height,
				       max_extra_stride, &src_fmt);
    }
    else
    {
	/* solid case */
	src_img = create_random_image (img_fmt_list, 1, 1,
				       max_extra_stride, &src_fmt);

	pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL);
    }

    dst_img = create_random_image (img_fmt_list, max_width, max_height,
				   max_extra_stride, &dst_fmt);

    src_width = pixman_image_get_width (src_img);
    src_height = pixman_image_get_height (src_img);
    src_stride = pixman_image_get_stride (src_img);

    dst_width = pixman_image_get_width (dst_img);
    dst_height = pixman_image_get_height (dst_img);
    dst_stride = pixman_image_get_stride (dst_img);

    srcbuf = pixman_image_get_data (src_img);

    src_x = prng_rand_n (src_width);
    src_y = prng_rand_n (src_height);
    dst_x = prng_rand_n (dst_width);
    dst_y = prng_rand_n (dst_height);

    mask_img = NULL;
    mask_fmt = PIXMAN_null;
    mask_x = 0;
    mask_y = 0;
    maskbuf = NULL;

    if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) &&
	(prng_rand_n (4) == 0))
    {
	/* PIXBUF */
	mask_fmt = prng_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8;
	mask_img = pixman_image_create_bits (mask_fmt,
	                                     src_width,
	                                     src_height,
	                                     srcbuf,
	                                     src_stride);
	mask_x = src_x;
	mask_y = src_y;
	maskbuf = srcbuf;
    }
    else if (prng_rand_n (2))
    {
	if (prng_rand_n (2))
	{
	    mask_img = create_random_image (mask_fmt_list, max_width, max_height,
					   max_extra_stride, &mask_fmt);
	}
	else
	{
	    /* solid case */
	    mask_img = create_random_image (mask_fmt_list, 1, 1,
					   max_extra_stride, &mask_fmt);
	    pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL);
	}

	if (prng_rand_n (2))
	    pixman_image_set_component_alpha (mask_img, 1);

	mask_x = prng_rand_n (pixman_image_get_width (mask_img));
	mask_y = prng_rand_n (pixman_image_get_height (mask_img));
    }


    w = prng_rand_n (dst_width - dst_x + 1);
    h = prng_rand_n (dst_height - dst_y + 1);

    if (verbose)
    {
        printf ("op=%s\n", operator_name (op));
	printf ("src_fmt=%s, dst_fmt=%s, mask_fmt=%s\n",
	    format_name (src_fmt), format_name (dst_fmt),
	    format_name (mask_fmt));
	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 ("src_stride=%d, dst_stride=%d\n",
	    src_stride, dst_stride);
	printf ("w=%d, h=%d\n", w, h);
    }

    pixman_image_composite (op, src_img, mask_img, dst_img,
			    src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h);

    if (verbose)
	print_image (dst_img);

    free_random_image (0, src_img, PIXMAN_null);
    crc32 = free_random_image (0, dst_img, dst_fmt);

    if (mask_img)
    {
	if (srcbuf == maskbuf)
	    pixman_image_unref(mask_img);
	else
	    free_random_image (0, mask_img, PIXMAN_null);
    }

    FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
    return crc32;
}
Пример #12
0
/* XXX: There are failure cases in this function. Don't we need to
 * propagate the errors out?
 */
void
pixman_composite_trapezoids (pixman_operator_t	      op,
			     pixman_image_t	      *src,
			     pixman_image_t	      *dst,
			     int		      xSrc,
			     int		      ySrc,
			     const pixman_trapezoid_t *traps,
			     int		      ntraps)
{
    pixman_image_t	*image = NULL;
    pixman_box16_t	traps_bounds, dst_bounds, bounds;
    pixman_region16_t	*traps_region, *dst_region;
    int16_t		xDst, yDst;
    int16_t		xRel, yRel;
    pixman_format_t	*format;

    if (ntraps == 0)
	return;

    /*
     * Check for solid alpha add
     */
    if (op == PIXMAN_OPERATOR_ADD && miIsSolidAlpha (src))
    {
	for (; ntraps; ntraps--, traps++)
	    fbRasterizeTrapezoid (dst, traps, 0, 0);
	return;
    }

    xDst = traps[0].left.p1.x >> 16;
    yDst = traps[0].left.p1.y >> 16;
    
    pixman_trapezoid_bounds (ntraps, traps, &traps_bounds);

    traps_region = pixman_region_create_simple (&traps_bounds);

    /* XXX: If the image has a clip region set, we should really be
     * fetching it here instead, but it looks like we don't yet expose
     * a pixman_image_get_clip_region function. */
    dst_bounds.x1 = 0;
    dst_bounds.y1 = 0;
    dst_bounds.x2 = pixman_image_get_width (dst);
    dst_bounds.y2 = pixman_image_get_height (dst);

    dst_region = pixman_region_create_simple (&dst_bounds);

    pixman_region_intersect (traps_region, traps_region, dst_region);

    bounds = *(pixman_region_extents (traps_region));

    pixman_region_destroy (traps_region);
    pixman_region_destroy (dst_region);

    if (bounds.y1 >= bounds.y2 || bounds.x1 >= bounds.x2)
	return;

    format = pixman_format_create (PIXMAN_FORMAT_NAME_A8);
    if (!format)
	return;

    image = FbCreateAlphaPicture (dst, format,
				  bounds.x2 - bounds.x1,
				  bounds.y2 - bounds.y1);
    if (!image)
    {
	pixman_format_destroy (format);
	return;
    }

    for (; ntraps; ntraps--, traps++)
    {
	if (!xTrapezoidValid(traps))
	    continue;
	fbRasterizeTrapezoid (image, traps, 
			      -bounds.x1, -bounds.y1);
    }

    xRel = bounds.x1 + xSrc - xDst;
    yRel = bounds.y1 + ySrc - yDst;
    pixman_composite (op, src, image, dst,
		      xRel, yRel, 0, 0, bounds.x1, bounds.y1,
		      bounds.x2 - bounds.x1,
		      bounds.y2 - bounds.y1);
    pixman_image_destroy (image);

    pixman_format_destroy (format);
}
Пример #13
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);
}
Пример #14
0
/** Paint an intersected region
 *
 * \param ev The view to be painted.
 * \param output The output being painted.
 * \param repaint_output The region to be painted in output coordinates.
 * \param source_clip The region of the source image to use, in source image
 *                    coordinates. If NULL, use the whole source image.
 * \param pixman_op Compositing operator, either SRC or OVER.
 */
static void
repaint_region(struct weston_view *ev, struct weston_output *output,
	       pixman_region32_t *repaint_output,
	       pixman_region32_t *source_clip,
	       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);
	struct weston_buffer_viewport *vp = &ev->surface->buffer_viewport;
	pixman_transform_t transform;
	pixman_filter_t filter;
	pixman_image_t *mask_image;
	pixman_color_t mask = { 0, };

	/* Clip rendering to the damaged output region */
	pixman_image_set_clip_region32(po->shadow_image, repaint_output);

	pixman_renderer_compute_transform(&transform, ev, output);

	if (ev->transform.enabled || output->current_scale != vp->buffer.scale)
		filter = PIXMAN_FILTER_BILINEAR;
	else
		filter = PIXMAN_FILTER_NEAREST;

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

	if (ev->alpha < 1.0) {
		mask.alpha = 0xffff * ev->alpha;
		mask_image = pixman_image_create_solid_fill(&mask);
	} else {
		mask_image = NULL;
	}

	if (source_clip)
		composite_clipped(ps->image, mask_image, po->shadow_image,
				  &transform, filter, source_clip);
	else
		composite_whole(pixman_op, ps->image, mask_image,
				po->shadow_image, &transform, filter);

	if (mask_image)
		pixman_image_unref(mask_image);

	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);
}
Пример #15
0
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;
	}
}
/*
 * Composite operation with pseudorandom images
 */
uint32_t
test_composite (int testnum, int verbose)
{
    int i;
    pixman_image_t *src_img = NULL;
    pixman_image_t *dst_img = NULL;
    pixman_image_t *mask_img = NULL;
    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 mask_x, mask_y;
    int w, h;
    pixman_op_t op;
    pixman_format_code_t src_fmt, dst_fmt, mask_fmt;
    uint32_t *dstbuf, *srcbuf, *maskbuf;
    uint32_t crc32;
    int max_width, max_height, max_extra_stride;
    FLOAT_REGS_CORRUPTION_DETECTOR_START ();

    max_width = max_height = 24 + testnum / 10000;
    max_extra_stride = 4 + testnum / 1000000;

    if (max_width > 256)
	max_width = 256;

    if (max_height > 16)
	max_height = 16;

    if (max_extra_stride > 8)
	max_extra_stride = 8;

    lcg_srand (testnum);

    op = op_list[lcg_rand_n (sizeof (op_list) / sizeof (op_list[0]))];

    if (lcg_rand_n (8))
    {
	/* normal image */
	src_img = create_random_image (img_fmt_list, max_width, max_height,
				       max_extra_stride, &src_fmt);
    }
    else
    {
	/* solid case */
	src_img = create_random_image (img_fmt_list, 1, 1,
				       max_extra_stride, &src_fmt);

	pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL);
    }

    dst_img = create_random_image (img_fmt_list, max_width, max_height,
				   max_extra_stride, &dst_fmt);

    src_width = pixman_image_get_width (src_img);
    src_height = pixman_image_get_height (src_img);
    src_stride = pixman_image_get_stride (src_img);

    dst_width = pixman_image_get_width (dst_img);
    dst_height = pixman_image_get_height (dst_img);
    dst_stride = pixman_image_get_stride (dst_img);

    dstbuf = pixman_image_get_data (dst_img);
    srcbuf = pixman_image_get_data (src_img);

    src_x = lcg_rand_n (src_width);
    src_y = lcg_rand_n (src_height);
    dst_x = lcg_rand_n (dst_width);
    dst_y = lcg_rand_n (dst_height);

    mask_img = NULL;
    mask_fmt = PIXMAN_null;
    mask_x = 0;
    mask_y = 0;
    maskbuf = NULL;

    if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) &&
	(lcg_rand_n (4) == 0))
    {
	/* PIXBUF */
	mask_fmt = lcg_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8;
	mask_img = pixman_image_create_bits (mask_fmt,
	                                     src_width,
	                                     src_height,
	                                     srcbuf,
	                                     src_stride);
	mask_x = src_x;
	mask_y = src_y;
	maskbuf = srcbuf;
    }
    else if (lcg_rand_n (2))
    {
	if (lcg_rand_n (2))
	{
	    mask_img = create_random_image (mask_fmt_list, max_width, max_height,
					   max_extra_stride, &mask_fmt);
	}
	else
	{
	    /* solid case */
	    mask_img = create_random_image (mask_fmt_list, 1, 1,
					   max_extra_stride, &mask_fmt);
	    pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL);
	}

	if (lcg_rand_n (2))
	    pixman_image_set_component_alpha (mask_img, 1);

	mask_x = lcg_rand_n (pixman_image_get_width (mask_img));
	mask_y = lcg_rand_n (pixman_image_get_height (mask_img));
    }


    w = lcg_rand_n (dst_width - dst_x + 1);
    h = lcg_rand_n (dst_height - dst_y + 1);

    if (verbose)
    {
	printf ("op=%d, src_fmt=%08X, dst_fmt=%08X, mask_fmt=%08X\n",
	    op, src_fmt, dst_fmt, mask_fmt);
	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 ("src_stride=%d, dst_stride=%d\n",
	    src_stride, dst_stride);
	printf ("w=%d, h=%d\n", w, h);
    }

    pixman_image_composite (op, src_img, mask_img, dst_img,
			    src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h);

    if (verbose)
    {
	int j;

	printf ("---\n");
	for (i = 0; i < dst_height; i++)
	{
	    for (j = 0; j < dst_stride; j++)
	    {
		if (j == (dst_width * PIXMAN_FORMAT_BPP (dst_fmt) + 7) / 8)
		    printf ("| ");

		printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));
	    }
	    printf ("\n");
	}
	printf ("---\n");
    }

    free_random_image (0, src_img, PIXMAN_null);
    crc32 = free_random_image (0, dst_img, dst_fmt);

    if (mask_img)
    {
	if (srcbuf == maskbuf)
	    pixman_image_unref(mask_img);
	else
	    free_random_image (0, mask_img, PIXMAN_null);
    }

    FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
    return crc32;
}
Пример #17
0
int PixmanBitmap::width() const {
	return pixman_image_get_width(bitmap);
}