예제 #1
0
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();
}
예제 #2
0
Bitmap* PixmanBitmap::Resample(int scale_w, int scale_h, const Rect& src_rect) {
	PixmanBitmap *dst = new PixmanBitmap(scale_w, scale_h, GetTransparent());

	double zoom_x = (double)src_rect.width  / scale_w;
	double zoom_y = (double)src_rect.height / scale_h;

	pixman_transform_t xform;
	pixman_transform_init_scale(&xform,
								pixman_double_to_fixed(zoom_x),
								pixman_double_to_fixed(zoom_y));
	
	pixman_image_set_transform(bitmap, &xform);

	pixman_image_composite32(PIXMAN_OP_SRC,
							 bitmap, (pixman_image_t*) NULL, dst->bitmap,
							 src_rect.x, src_rect.y,
							 0, 0,
							 0, 0,
							 scale_w, scale_h);

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

	return dst;
}
예제 #3
0
/*
 * Create a CRTC
 */
RRCrtcPtr
RRCrtcCreate (ScreenPtr pScreen, void *devPrivate)
{
    RRCrtcPtr	    crtc;
    RRCrtcPtr	    *crtcs;
    rrScrPrivPtr    pScrPriv;

    if (!RRInit())
	return NULL;
    
    pScrPriv = rrGetScrPriv(pScreen);

    /* make space for the crtc pointer */
    if (pScrPriv->numCrtcs)
	crtcs = realloc(pScrPriv->crtcs, 
			  (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr));
    else
	crtcs = malloc(sizeof (RRCrtcPtr));
    if (!crtcs)
	return FALSE;
    pScrPriv->crtcs = crtcs;
    
    crtc = calloc(1, sizeof (RRCrtcRec));
    if (!crtc)
	return NULL;
    crtc->id = FakeClientID (0);
    crtc->pScreen = pScreen;
    crtc->mode = NULL;
    crtc->x = 0;
    crtc->y = 0;
    crtc->rotation = RR_Rotate_0;
    crtc->rotations = RR_Rotate_0;
    crtc->outputs = NULL;
    crtc->numOutputs = 0;
    crtc->gammaSize = 0;
    crtc->gammaRed = crtc->gammaBlue = crtc->gammaGreen = NULL;
    crtc->changed = FALSE;
    crtc->devPrivate = devPrivate;
    RRTransformInit (&crtc->client_pending_transform);
    RRTransformInit (&crtc->client_current_transform);
    pixman_transform_init_identity (&crtc->transform);
    pixman_f_transform_init_identity (&crtc->f_transform);
    pixman_f_transform_init_identity (&crtc->f_inverse);

    if (!AddResource (crtc->id, RRCrtcType, (pointer) crtc))
	return NULL;

    /* attach the screen and crtc together */
    crtc->pScreen = pScreen;
    pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc;
    
    return crtc;
}
예제 #4
0
파일: vfs0050.c 프로젝트: Jack-Q/libfprint
static void process_image_data(struct fp_img_dev *dev, char **output, int *output_height)
{
    //pixman stuff taken from libfprint/pixman.c, adapted for my purposes.
    pixman_image_t *orig, *resized;
    pixman_transform_t transform;
    struct vfs0050_dev *vfs_dev = dev->priv;
    struct vfs0050_line *line, *calibration_line;
    char *buf = malloc(vfs_dev->scanbuf_idx);
    int lines = vfs_dev->scanbuf_idx / VFS0050_FRAME_SIZE;
    int i, x, sum, last_sum, diff;
    int new_height;
    //just grab one around middle, there should be 100
    calibration_line = (struct vfs0050_line *) ((char *) vfs_dev->calbuf + (50 * VFS0050_FRAME_SIZE));

    new_height = 0;
    for (i = 0; i < lines; i++) {
        line = (struct vfs0050_line *) ((char *) vfs_dev->scanbuf + (i * VFS0050_FRAME_SIZE));
        if (!is_noise(line))
            memcpy(buf + (new_height++ * VFS0050_IMG_WIDTH), line->row, VFS0050_IMG_WIDTH);
        else
            fp_dbg("removed noise at line: %d\n", i);
    }

    orig = pixman_image_create_bits(PIXMAN_a8, VFS0050_IMG_WIDTH, new_height, (uint32_t *) buf, VFS0050_IMG_WIDTH);
    new_height *= VFS0050_SCALE_FACTOR; //scale for resized image
    resized = pixman_image_create_bits(PIXMAN_a8, VFS0050_IMG_WIDTH, new_height, NULL, VFS0050_IMG_WIDTH);
    pixman_transform_init_identity(&transform);
    pixman_transform_scale(NULL, &transform, pixman_int_to_fixed(1), pixman_double_to_fixed(0.2));
    pixman_image_set_transform(orig, &transform);
    pixman_image_set_filter(orig, PIXMAN_FILTER_BEST, NULL, 0);
    pixman_image_composite32(PIXMAN_OP_SRC,
                             orig,
                             NULL,
                             resized,
                             0, 0,
                             0, 0,
                             0, 0,
                             VFS0050_IMG_WIDTH, new_height
                            );
    memcpy(buf, pixman_image_get_data(resized), VFS0050_IMG_WIDTH * new_height);

    pixman_image_unref(orig);
    pixman_image_unref(resized);

    *output_height = new_height;
    *output = buf;
}
예제 #5
0
void PixmanBitmap::TransformBlit(Rect dst_rect, Bitmap* _src, Rect src_rect, const Matrix& inv, int opacity) {
	PixmanBitmap* src = (PixmanBitmap*) _src;
	pixman_transform_t xform = {{
		{ pixman_double_to_fixed(inv.xx), pixman_double_to_fixed(inv.xy), pixman_double_to_fixed(inv.x0) },
		{ pixman_double_to_fixed(inv.yx), pixman_double_to_fixed(inv.yy), pixman_double_to_fixed(inv.y0) },
		{ pixman_double_to_fixed(0.0),    pixman_double_to_fixed(0.0),    pixman_double_to_fixed(1.0) }
		}};

	pixman_image_set_transform(src->bitmap, &xform);

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

	pixman_transform_init_identity(&xform);
	pixman_image_set_transform(src->bitmap, &xform);
}
예제 #6
0
void PixmanBitmap::Blit2x(Rect dst_rect, Bitmap* _src, Rect src_rect) {
	PixmanBitmap* src = (PixmanBitmap*) _src;

	pixman_transform_t xform;
	pixman_transform_init_scale(&xform,
								pixman_double_to_fixed(0.5),
								pixman_double_to_fixed(0.5));

	pixman_image_set_transform(src->bitmap, &xform);

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

	pixman_transform_init_identity(&xform);
	pixman_image_set_transform(src->bitmap, &xform);

	RefreshCallback();
}
예제 #7
0
파일: pixman.c 프로젝트: Gnate/libfprint
struct fp_img *fpi_im_resize(struct fp_img *img, unsigned int w_factor, unsigned int h_factor)
{
	int new_width = img->width * w_factor;
	int new_height = img->height * h_factor;
	pixman_image_t *orig, *resized;
	pixman_transform_t transform;
	struct fp_img *newimg;

	orig = pixman_image_create_bits(PIXMAN_a8, img->width, img->height, (uint32_t *)img->data, img->width);
	resized = pixman_image_create_bits(PIXMAN_a8, new_width, new_height, NULL, new_width);

	pixman_transform_init_identity(&transform);
	pixman_transform_scale(NULL, &transform, pixman_int_to_fixed(w_factor), pixman_int_to_fixed(h_factor));
	pixman_image_set_transform(orig, &transform);
	pixman_image_set_filter(orig, PIXMAN_FILTER_BILINEAR, NULL, 0);
	pixman_image_composite32(PIXMAN_OP_SRC,
		orig, /* src */
		NULL, /* mask */
		resized, /* dst */
		0, 0, /* src x y */
		0, 0, /* mask x y */
		0, 0, /* dst x y */
		new_width, new_height /* width height */
		);

	newimg = fpi_img_new(new_width * new_height);
	newimg->width = new_width;
	newimg->height = new_height;
	newimg->flags = img->flags;

	memcpy(newimg->data, pixman_image_get_data(resized), new_width * new_height);

	pixman_image_unref(orig);
	pixman_image_unref(resized);

	return newimg;
}
예제 #8
0
void PixmanBitmap::StretchBlit(Rect dst_rect, Bitmap* _src, Rect src_rect, int opacity) {
	if (opacity < 0)
		return;

	PixmanBitmap* src = (PixmanBitmap*) _src;

	pixman_image_t* mask = (pixman_image_t*) NULL;
	if (opacity < 255) {
		pixman_color_t tcolor = {0, 0, 0, opacity << 8};
		mask = pixman_image_create_solid_fill(&tcolor);
	}

	double zoom_x = (double)src_rect.width  / dst_rect.width;
	double zoom_y = (double)src_rect.height / dst_rect.height;

	pixman_transform_t xform;
	pixman_transform_init_scale(&xform,
								pixman_double_to_fixed(zoom_x),
								pixman_double_to_fixed(zoom_y));

	pixman_image_set_transform(src->bitmap, &xform);

	pixman_image_composite32(PIXMAN_OP_OVER,
							 src->bitmap, mask, bitmap,
							 src_rect.x / zoom_x, src_rect.y / zoom_y,
							 0, 0,
							 dst_rect.x, dst_rect.y,
							 dst_rect.width, dst_rect.height);

	pixman_transform_init_identity(&xform);
	pixman_image_set_transform(src->bitmap, &xform);

	if (mask != NULL)
		pixman_image_unref(mask);

	RefreshCallback();
}
예제 #9
0
파일: sw-sdl.c 프로젝트: leiradel/mgba
bool mSDLSWInit(struct mSDLRenderer* renderer) {
#if !SDL_VERSION_ATLEAST(2, 0, 0)
#ifdef COLOR_16_BIT
	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 16, SDL_DOUBLEBUF | SDL_HWSURFACE);
#else
	SDL_SetVideoMode(renderer->viewportWidth, renderer->viewportHeight, 32, SDL_DOUBLEBUF | SDL_HWSURFACE);
#endif
#endif

	unsigned width, height;
	renderer->core->desiredVideoDimensions(renderer->core, &width, &height);
#if SDL_VERSION_ATLEAST(2, 0, 0)
	renderer->window = SDL_CreateWindow(projectName, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, renderer->viewportWidth, renderer->viewportHeight, SDL_WINDOW_OPENGL | (SDL_WINDOW_FULLSCREEN_DESKTOP * renderer->player.fullscreen));
	SDL_GetWindowSize(renderer->window, &renderer->viewportWidth, &renderer->viewportHeight);
	renderer->player.window = renderer->window;
	renderer->sdlRenderer = SDL_CreateRenderer(renderer->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
#ifdef COLOR_16_BIT
#ifdef COLOR_5_6_5
	renderer->sdlTex = SDL_CreateTexture(renderer->sdlRenderer, SDL_PIXELFORMAT_RGB565, SDL_TEXTUREACCESS_STREAMING, width, height);
#else
	renderer->sdlTex = SDL_CreateTexture(renderer->sdlRenderer, SDL_PIXELFORMAT_ABGR1555, SDL_TEXTUREACCESS_STREAMING, width, height);
#endif
#else
	renderer->sdlTex = SDL_CreateTexture(renderer->sdlRenderer, SDL_PIXELFORMAT_ABGR8888, SDL_TEXTUREACCESS_STREAMING, width, height);
#endif

	int stride;
	SDL_LockTexture(renderer->sdlTex, 0, (void**) &renderer->outputBuffer, &stride);
	renderer->core->setVideoBuffer(renderer->core, renderer->outputBuffer, stride / BYTES_PER_PIXEL);
#else
	SDL_Surface* surface = SDL_GetVideoSurface();
	SDL_LockSurface(surface);

	if (renderer->ratio == 1) {
		renderer->core->setVideoBuffer(renderer->core, surface->pixels, surface->pitch / BYTES_PER_PIXEL);
	} else {
#ifdef USE_PIXMAN
		renderer->outputBuffer = malloc(width * height * BYTES_PER_PIXEL);
		renderer->core->setVideoBuffer(renderer->core, renderer->outputBuffer, width);
#ifdef COLOR_16_BIT
#ifdef COLOR_5_6_5
		pixman_format_code_t format = PIXMAN_r5g6b5;
#else
		pixman_format_code_t format = PIXMAN_x1b5g5r5;
#endif
#else
		pixman_format_code_t format = PIXMAN_x8b8g8r8;
#endif
		renderer->pix = pixman_image_create_bits(format, width, height,
		    renderer->outputBuffer, width * BYTES_PER_PIXEL);
		renderer->screenpix = pixman_image_create_bits(format, renderer->viewportWidth, renderer->viewportHeight, surface->pixels, surface->pitch);

		pixman_transform_t transform;
		pixman_transform_init_identity(&transform);
		pixman_transform_scale(0, &transform, pixman_int_to_fixed(renderer->ratio), pixman_int_to_fixed(renderer->ratio));
		pixman_image_set_transform(renderer->pix, &transform);
		pixman_image_set_filter(renderer->pix, PIXMAN_FILTER_NEAREST, 0, 0);
#else
		return false;
#endif
	}
#endif

	return true;
}
예제 #10
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);
}
예제 #11
0
int
main (int argc, char *argv[])
{
    bench_info_t         binfo;
    pixman_filter_t      filter      = PIXMAN_FILTER_NEAREST;
    pixman_format_code_t src_format  = PIXMAN_a8r8g8b8;
    pixman_format_code_t mask_format = 0;
    pixman_format_code_t dest_format = PIXMAN_a8r8g8b8;
    pixman_box32_t       dest_box    = { 0, 0, WIDTH, HEIGHT };
    box_48_16_t          transformed = { 0 };
    int32_t xmin, ymin, xmax, ymax;
    uint32_t *src, *mask, *dest;

    binfo.op         = PIXMAN_OP_SRC;
    binfo.mask_image = NULL;
    pixman_transform_init_identity (&binfo.transform);

    ++argv;
    if (*argv && (*argv)[0] == '-' && (*argv)[1] == 'n')
    {
        filter = PIXMAN_FILTER_NEAREST;
        ++argv;
        --argc;
    }

    if (*argv && (*argv)[0] == '-' && (*argv)[1] == 'b')
    {
        filter = PIXMAN_FILTER_BILINEAR;
        ++argv;
        --argc;
    }

    if (argc == 1 ||
        !parse_arguments (argc, argv, &binfo.transform, &binfo.op,
                          &src_format, &mask_format, &dest_format))
    {
        printf ("Usage: affine-bench [-n] [-b] axx [axy] [ayx] [ayy] [combine type]\n");
        printf ("                    [src format] [mask format] [dest format]\n");
        printf ("  -n : nearest scaling (default)\n");
        printf ("  -b : bilinear scaling\n");
        printf ("  axx : x_out:x_in factor\n");
        printf ("  axy : x_out:y_in factor (default 0)\n");
        printf ("  ayx : y_out:x_in factor (default 0)\n");
        printf ("  ayy : y_out:y_in factor (default 1)\n");
        printf ("  combine type : src, over, in etc (default src)\n");
        printf ("  src format : a8r8g8b8, r5g6b5 etc (default a8r8g8b8)\n");
        printf ("  mask format : as for src format, but no mask used if omitted\n");
        printf ("  dest format : as for src format (default a8r8g8b8)\n");
        printf ("The output is a single number in megapixels/second.\n");

        return EXIT_FAILURE;
    }

    /* Compute required extents for source and mask image so they qualify
     * for COVER fast paths and get the flags in pixman.c:analyze_extent().
     * These computations are for FAST_PATH_SAMPLES_COVER_CLIP_BILINEAR,
     * but at the same time they also allow COVER_CLIP_NEAREST.
     */
    compute_transformed_extents (&binfo.transform, &dest_box, &transformed);
    xmin = pixman_fixed_to_int (transformed.x1 - pixman_fixed_1 / 2);
    ymin = pixman_fixed_to_int (transformed.y1 - pixman_fixed_1 / 2);
    xmax = pixman_fixed_to_int (transformed.x2 + pixman_fixed_1 / 2);
    ymax = pixman_fixed_to_int (transformed.y2 + pixman_fixed_1 / 2);
    /* Note:
     * The upper limits can be reduced to the following when fetchers
     * are guaranteed to not access pixels with zero weight. This concerns
     * particularly all bilinear samplers.
     *
     * xmax = pixman_fixed_to_int (transformed.x2 + pixman_fixed_1 / 2 - pixman_fixed_e);
     * ymax = pixman_fixed_to_int (transformed.y2 + pixman_fixed_1 / 2 - pixman_fixed_e);
     * This is equivalent to subtracting 0.5 and rounding up, rather than
     * subtracting 0.5, rounding down and adding 1.
     */
    binfo.src_x = -xmin;
    binfo.src_y = -ymin;

    /* Always over-allocate width by 64 pixels for all src, mask and dst,
     * so that we can iterate over an x-offset 0..63 in bench ().
     * This is similar to lowlevel-blt-bench, which uses the same method
     * to hit different cacheline misalignments.
     */
    create_image (xmax - xmin + 64, ymax - ymin + 1, src_format, filter,
                  &src, &binfo.src_image);

    if (mask_format)
    {
        create_image (xmax - xmin + 64, ymax - ymin + 1, mask_format, filter,
                      &mask, &binfo.mask_image);

        if ((PIXMAN_FORMAT_R(mask_format) ||
             PIXMAN_FORMAT_G(mask_format) ||
             PIXMAN_FORMAT_B(mask_format)))
        {
            pixman_image_set_component_alpha (binfo.mask_image, 1);
        }
    }

    create_image (WIDTH + 64, HEIGHT, dest_format, filter,
                  &dest, &binfo.dest_image);

    run_benchmark (&binfo);

    return EXIT_SUCCESS;
}
예제 #12
0
파일: affine-test.c 프로젝트: aosm/X11libs
/*
 * 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;
    FLOAT_REGS_CORRUPTION_DETECTOR_START ();

    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);

    pixman_transform_init_identity (&transform);
    
    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);
    }

    if (lcg_rand_n (4) > 0)
    {
	int c = lcg_rand_N (2 * 65536) - 65536;
	int s = lcg_rand_N (2 * 65536) - 65536;
	
	pixman_transform_rotate (&transform, NULL, c, s);
    }

    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);

    FLOAT_REGS_CORRUPTION_DETECTOR_FINISH ();
    return crc32;
}
예제 #13
0
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;
}