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();
}
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;
}
/*
* 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;
}
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;
}
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);
}
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();
}
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;
}
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();
}
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;
}
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);
}
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;
}
/*
* 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;
}
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;
}