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;
}
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();
}
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();
}
/**
* Helper function to implement video blit, handling clipping, damage, etc..
*
* TODO: move to EXA?
*/
int
OMAPVidCopyArea(DrawablePtr pSrcDraw, BoxPtr pSrcBox,
DrawablePtr pOsdDraw, BoxPtr pOsdBox,
DrawablePtr pDstDraw, BoxPtr pDstBox,
OMAPPutTextureImageProc PutTextureImage, void *closure,
RegionPtr clipBoxes)
{
ScreenPtr pScreen = pDstDraw->pScreen;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
PixmapPtr pSrcPix = draw2pix(pSrcDraw);
PixmapPtr pOsdPix = draw2pix(pOsdDraw);
PixmapPtr pDstPix = draw2pix(pDstDraw);
pixman_fixed_t sx, sy, tx, ty;
pixman_transform_t srcxfrm;
BoxPtr pbox;
int nbox, dx, dy, ret = Success;
#ifdef COMPOSITE
DEBUG_MSG("--> %dx%d, %dx%d", pDstPix->screen_x, pDstPix->screen_y,
pDstDraw->x, pDstDraw->y);
/* Convert screen coords to pixmap coords */
if (pDstPix->screen_x || pDstPix->screen_y) {
RegionTranslate(clipBoxes, -pDstPix->screen_x, -pDstPix->screen_y);
}
dx = pDstPix->screen_x;
dy = pDstPix->screen_y;
#else
dx = 0;
dy = 0;
#endif
/* the clip-region gives coordinates in dst's coord space.. generate
* a transform that can be used to work backwards from dst->src coord
* space:
*/
sx = ((pixman_fixed_48_16_t) (pSrcBox->x2 - pSrcBox->x1) << 16) /
(pDstBox->x2 - pDstBox->x1);
sy = ((pixman_fixed_48_16_t) (pSrcBox->y2 - pSrcBox->y1) << 16) /
(pDstBox->y2 - pDstBox->y1);
tx = ((pixman_fixed_48_16_t)(pDstBox->x1 - pSrcBox->x1 - dx) << 16);
ty = ((pixman_fixed_48_16_t)(pDstBox->y1 - pSrcBox->y1 - dy) << 16);
pixman_transform_init_scale(&srcxfrm, sx, sy);
pixman_transform_translate(NULL, &srcxfrm, tx, ty);
// TODO generate transform for osd as well
pbox = RegionRects(clipBoxes);
nbox = RegionNumRects(clipBoxes);
while (nbox--) {
RegionRec damage;
BoxRec dstb = *pbox;
BoxRec srcb = *pbox;
BoxRec osdb = *pbox;
pixman_transform_bounds(&srcxfrm, &srcb);
//pixman_transform_bounds(&osdxfrm, &osdb);
DEBUG_MSG("%d,%d %d,%d -> %d,%d %d,%d",
srcb.x1, srcb.y1, srcb.x2, srcb.y2,
dstb.x1, dstb.y1, dstb.x2, dstb.y2);
ret = PutTextureImage(pSrcPix, &srcb, pOsdPix, &osdb,
pDstPix, &dstb, closure);
if (ret != Success) {
break;
}
RegionInit(&damage, &dstb, 1);
#ifdef COMPOSITE
/* Convert screen coords to pixmap coords */
if (pDstPix->screen_x || pDstPix->screen_y) {
RegionTranslate(&damage, pDstPix->screen_x, pDstPix->screen_y);
}
#endif
DamageRegionAppend(pDstDraw, &damage);
RegionUninit(&damage);
pbox++;
}
DamageRegionProcessPending(pDstDraw);
return ret;
}
/*
* Composite operation with pseudorandom images
*/
uint32_t
test_composite (int testnum,
int verbose)
{
int i;
pixman_image_t * src_img;
pixman_image_t * dst_img;
pixman_transform_t transform;
pixman_region16_t clip;
int src_width, src_height;
int dst_width, dst_height;
int src_stride, dst_stride;
int src_x, src_y;
int dst_x, dst_y;
int src_bpp;
int dst_bpp;
int w, h;
pixman_fixed_t scale_x = 65536, scale_y = 65536;
pixman_fixed_t translate_x = 0, translate_y = 0;
int op;
int repeat = 0;
int src_fmt, dst_fmt;
uint32_t * srcbuf;
uint32_t * dstbuf;
uint32_t crc32;
lcg_srand (testnum);
src_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
dst_bpp = (lcg_rand_n (2) == 0) ? 2 : 4;
op = (lcg_rand_n (2) == 0) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER;
src_width = lcg_rand_n (MAX_SRC_WIDTH) + 1;
src_height = lcg_rand_n (MAX_SRC_HEIGHT) + 1;
dst_width = lcg_rand_n (MAX_DST_WIDTH) + 1;
dst_height = lcg_rand_n (MAX_DST_HEIGHT) + 1;
src_stride = src_width * src_bpp + lcg_rand_n (MAX_STRIDE) * src_bpp;
dst_stride = dst_width * dst_bpp + lcg_rand_n (MAX_STRIDE) * dst_bpp;
if (src_stride & 3)
src_stride += 2;
if (dst_stride & 3)
dst_stride += 2;
src_x = -(src_width / 4) + lcg_rand_n (src_width * 3 / 2);
src_y = -(src_height / 4) + lcg_rand_n (src_height * 3 / 2);
dst_x = -(dst_width / 4) + lcg_rand_n (dst_width * 3 / 2);
dst_y = -(dst_height / 4) + lcg_rand_n (dst_height * 3 / 2);
w = lcg_rand_n (dst_width * 3 / 2 - dst_x);
h = lcg_rand_n (dst_height * 3 / 2 - dst_y);
srcbuf = (uint32_t *)malloc (src_stride * src_height);
dstbuf = (uint32_t *)malloc (dst_stride * dst_height);
for (i = 0; i < src_stride * src_height; i++)
*((uint8_t *)srcbuf + i) = lcg_rand_n (256);
for (i = 0; i < dst_stride * dst_height; i++)
*((uint8_t *)dstbuf + i) = lcg_rand_n (256);
src_fmt = src_bpp == 4 ? (lcg_rand_n (2) == 0 ?
PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;
dst_fmt = dst_bpp == 4 ? (lcg_rand_n (2) == 0 ?
PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5;
src_img = pixman_image_create_bits (
src_fmt, src_width, src_height, srcbuf, src_stride);
dst_img = pixman_image_create_bits (
dst_fmt, dst_width, dst_height, dstbuf, dst_stride);
image_endian_swap (src_img, src_bpp * 8);
image_endian_swap (dst_img, dst_bpp * 8);
if (lcg_rand_n (8) > 0)
{
scale_x = -32768 * 3 + lcg_rand_N (65536 * 5);
scale_y = -32768 * 3 + lcg_rand_N (65536 * 5);
translate_x = lcg_rand_N (65536);
translate_y = lcg_rand_N (65536);
pixman_transform_init_scale (&transform, scale_x, scale_y);
pixman_transform_translate (&transform, NULL, translate_x, translate_y);
pixman_image_set_transform (src_img, &transform);
}
switch (lcg_rand_n (4))
{
case 0:
repeat = PIXMAN_REPEAT_NONE;
break;
case 1:
repeat = PIXMAN_REPEAT_NORMAL;
break;
case 2:
repeat = PIXMAN_REPEAT_PAD;
break;
case 3:
repeat = PIXMAN_REPEAT_REFLECT;
break;
default:
break;
}
pixman_image_set_repeat (src_img, repeat);
if (lcg_rand_n (2))
pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0);
else
pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0);
if (verbose)
{
printf ("src_fmt=%08X, dst_fmt=%08X\n", src_fmt, dst_fmt);
printf ("op=%d, scale_x=%d, scale_y=%d, repeat=%d\n",
op, scale_x, scale_y, repeat);
printf ("translate_x=%d, translate_y=%d\n",
translate_x, translate_y);
printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n",
src_width, src_height, dst_width, dst_height);
printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n",
src_x, src_y, dst_x, dst_y);
printf ("w=%d, h=%d\n", w, h);
}
if (lcg_rand_n (8) == 0)
{
pixman_box16_t clip_boxes[2];
int n = lcg_rand_n (2) + 1;
for (i = 0; i < n; i++)
{
clip_boxes[i].x1 = lcg_rand_n (src_width);
clip_boxes[i].y1 = lcg_rand_n (src_height);
clip_boxes[i].x2 =
clip_boxes[i].x1 + lcg_rand_n (src_width - clip_boxes[i].x1);
clip_boxes[i].y2 =
clip_boxes[i].y1 + lcg_rand_n (src_height - clip_boxes[i].y1);
if (verbose)
{
printf ("source clip box: [%d,%d-%d,%d]\n",
clip_boxes[i].x1, clip_boxes[i].y1,
clip_boxes[i].x2, clip_boxes[i].y2);
}
}
pixman_region_init_rects (&clip, clip_boxes, n);
pixman_image_set_clip_region (src_img, &clip);
pixman_image_set_source_clipping (src_img, 1);
pixman_region_fini (&clip);
}
if (lcg_rand_n (8) == 0)
{
pixman_box16_t clip_boxes[2];
int n = lcg_rand_n (2) + 1;
for (i = 0; i < n; i++)
{
clip_boxes[i].x1 = lcg_rand_n (dst_width);
clip_boxes[i].y1 = lcg_rand_n (dst_height);
clip_boxes[i].x2 =
clip_boxes[i].x1 + lcg_rand_n (dst_width - clip_boxes[i].x1);
clip_boxes[i].y2 =
clip_boxes[i].y1 + lcg_rand_n (dst_height - clip_boxes[i].y1);
if (verbose)
{
printf ("destination clip box: [%d,%d-%d,%d]\n",
clip_boxes[i].x1, clip_boxes[i].y1,
clip_boxes[i].x2, clip_boxes[i].y2);
}
}
pixman_region_init_rects (&clip, clip_boxes, n);
pixman_image_set_clip_region (dst_img, &clip);
pixman_region_fini (&clip);
}
pixman_image_composite (op, src_img, NULL, dst_img,
src_x, src_y, 0, 0, dst_x, dst_y, w, h);
if (dst_fmt == PIXMAN_x8r8g8b8)
{
/* ignore unused part */
for (i = 0; i < dst_stride * dst_height / 4; i++)
dstbuf[i] &= 0xFFFFFF;
}
image_endian_swap (dst_img, dst_bpp * 8);
if (verbose)
{
int j;
for (i = 0; i < dst_height; i++)
{
for (j = 0; j < dst_stride; j++)
printf ("%02X ", *((uint8_t *)dstbuf + i * dst_stride + j));
printf ("\n");
}
}
pixman_image_unref (src_img);
pixman_image_unref (dst_img);
crc32 = compute_crc32 (0, dstbuf, dst_stride * dst_height);
free (srcbuf);
free (dstbuf);
return crc32;
}
/*
* We have a source image filled with solid color, set NORMAL or PAD repeat,
* and some transform which results in nearest neighbour scaling.
*
* The expected result is either that the destination image filled with this solid
* color or, if the transformation is such that we can't composite anything at
* all, that nothing has changed in the destination.
*
* The surrounding memory of the source image is a different solid color so that
* we are sure to get failures if we access it.
*/
static int
run_test (int32_t dst_width,
int32_t dst_height,
int32_t src_width,
int32_t src_height,
int32_t src_x,
int32_t src_y,
int32_t scale_x,
int32_t scale_y,
pixman_filter_t filter,
pixman_repeat_t repeat)
{
pixman_image_t * src_img;
pixman_image_t * dst_img;
pixman_transform_t transform;
uint32_t * srcbuf;
uint32_t * dstbuf;
pixman_box32_t box = { 0, 0, src_width, src_height };
pixman_color_t color_cc = { 0xcccc, 0xcccc, 0xcccc, 0xcccc };
int result;
int i;
static const pixman_fixed_t kernel[] =
{
#define D(f) (pixman_double_to_fixed (f) + 0x0001)
pixman_int_to_fixed (5),
pixman_int_to_fixed (5),
D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0),
D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0),
D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0),
D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0),
D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0)
};
result = 0;
srcbuf = (uint32_t *)malloc ((src_width + 10) * (src_height + 10) * 4);
dstbuf = (uint32_t *)malloc (dst_width * dst_height * 4);
memset (srcbuf, 0x88, src_width * src_height * 4);
memset (dstbuf, 0x33, dst_width * dst_height * 4);
src_img = pixman_image_create_bits (
PIXMAN_a8r8g8b8, src_width, src_height,
srcbuf + (src_width + 10) * 5 + 5, (src_width + 10) * 4);
pixman_image_fill_boxes (PIXMAN_OP_SRC, src_img, &color_cc, 1, &box);
dst_img = pixman_image_create_bits (
PIXMAN_a8r8g8b8, dst_width, dst_height, dstbuf, dst_width * 4);
pixman_transform_init_scale (&transform, scale_x, scale_y);
pixman_image_set_transform (src_img, &transform);
pixman_image_set_repeat (src_img, repeat);
if (filter == PIXMAN_FILTER_CONVOLUTION)
pixman_image_set_filter (src_img, filter, kernel, 27);
else
pixman_image_set_filter (src_img, filter, NULL, 0);
pixman_image_composite (PIXMAN_OP_SRC, src_img, NULL, dst_img,
src_x, src_y, 0, 0, 0, 0, dst_width, dst_height);
pixman_image_unref (src_img);
pixman_image_unref (dst_img);
for (i = 0; i < dst_width * dst_height; i++)
{
if (dstbuf[i] != 0xCCCCCCCC && dstbuf[i] != 0x33333333)
{
result = 1;
break;
}
}
free (srcbuf);
free (dstbuf);
return result;
}
