/* Handles compositing with a clip surface when we have to do the operation
* in two pieces and combine them together.
*/
static cairo_status_t
clip_and_composite_combine (const cairo_composite_rectangles_t*extents,
draw_func_t draw_func,
void *draw_closure)
{
cairo_image_surface_t *dst = (cairo_image_surface_t *)extents->surface;
cairo_image_surface_t *tmp, *clip;
int clip_x, clip_y;
cairo_status_t status;
TRACE ((stderr, "%s\n", __FUNCTION__));
tmp = (cairo_image_surface_t *)
_cairo_image_surface_create_with_pixman_format (NULL,
dst->pixman_format,
extents->bounded.width,
extents->bounded.height,
0);
if (unlikely (tmp->base.status))
return tmp->base.status;
pixman_image_composite32 (PIXMAN_OP_SRC,
dst->pixman_image, NULL, tmp->pixman_image,
extents->bounded.x, extents->bounded.y,
0, 0,
0, 0,
extents->bounded.width, extents->bounded.height);
status = draw_func (tmp, draw_closure,
extents->op, &extents->source_pattern.base,
extents->bounded.x, extents->bounded.y,
&extents->bounded);
if (unlikely (status))
goto error;
clip = (cairo_image_surface_t *)
_cairo_clip_get_surface (extents->clip, &dst->base, &clip_x, &clip_y);
if (unlikely (clip->base.status))
goto error;
pixman_image_composite32 (PIXMAN_OP_OUT_REVERSE,
clip->pixman_image, NULL, dst->pixman_image,
extents->bounded.x - clip_x, extents->bounded.y - clip_y,
0, 0,
extents->bounded.x, extents->bounded.y,
extents->bounded.width, extents->bounded.height);
pixman_image_composite32 (PIXMAN_OP_ADD,
tmp->pixman_image, clip->pixman_image, dst->pixman_image,
0, 0,
extents->bounded.x - clip_x, extents->bounded.y - clip_y,
extents->bounded.x, extents->bounded.y,
extents->bounded.width, extents->bounded.height);
cairo_surface_destroy (&clip->base);
error:
cairo_surface_destroy (&tmp->base);
return status;
}
void PixmanBitmap::BlendBlit(int x, int y, Bitmap* _src, Rect src_rect, const Color& color) {
PixmanBitmap* src = (PixmanBitmap*) _src;
if (color.alpha == 0) {
if (_src != this)
Blit(x, y, _src, src_rect, 255);
return;
}
if (src != this)
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_color_t tcolor = PixmanColor(color);
pixman_image_t* timage = pixman_image_create_solid_fill(&tcolor);
pixman_image_composite32(PIXMAN_OP_OVER,
timage, src->bitmap, bitmap,
0, 0,
src_rect.x, src_rect.y,
x, y,
src_rect.width, src_rect.height);
pixman_image_unref(timage);
RefreshCallback();
}
/* Handles compositing with a clip surface when we have to do the operation
* in two pieces and combine them together.
*/
static cairo_status_t
clip_and_composite_combine (const cairo_composite_rectangles_t*extents,
draw_func_t draw_func,
void *draw_closure)
{
cairo_image_surface_t *dst = (cairo_image_surface_t *)extents->surface;
cairo_image_surface_t *tmp, *clip;
int clip_x, clip_y;
cairo_status_t status;
tmp = (cairo_image_surface_t *)
_cairo_surface_create_similar_solid (&dst->base, dst->base.content,
extents->bounded.width,
extents->bounded.height,
CAIRO_COLOR_TRANSPARENT);
if (unlikely (tmp->base.status))
return tmp->base.status;
pixman_image_composite32 (PIXMAN_OP_SRC,
dst->pixman_image, NULL, tmp->pixman_image,
extents->bounded.x, extents->bounded.y,
0, 0,
0, 0,
extents->bounded.width, extents->bounded.height);
status = draw_func (tmp, draw_closure,
extents->op, &extents->source_pattern.base,
extents->bounded.x, extents->bounded.y,
&extents->bounded);
if (unlikely (status))
goto error;
clip = (cairo_image_surface_t *)
get_clip_surface (dst, extents, &clip_x, &clip_y);
if (unlikely (clip->base.status))
goto error;
pixman_image_composite32 (PIXMAN_OP_OUT_REVERSE,
clip->pixman_image, NULL, dst->pixman_image,
extents->bounded.x - clip_x, extents->bounded.y - clip_y,
0, 0,
extents->bounded.x, extents->bounded.y,
extents->bounded.width, extents->bounded.height);
pixman_image_composite32 (PIXMAN_OP_ADD,
tmp->pixman_image, clip->pixman_image, dst->pixman_image,
0, 0,
extents->bounded.x - clip_x, extents->bounded.y - clip_y,
extents->bounded.x, extents->bounded.y,
extents->bounded.width, extents->bounded.height);
cairo_surface_destroy (&clip->base);
error:
cairo_surface_destroy (&tmp->base);
return status;
}
void Bitmap::CheckPixels(uint32_t flags) {
if (flags & System) {
DynamicFormat format(32,8,24,8,16,8,8,8,0,PF::Alpha);
uint32_t pixel;
Bitmap bmp(reinterpret_cast<void*>(&pixel), 1, 1, 4, format);
pixman_image_composite32(PIXMAN_OP_SRC, bitmap, (pixman_image_t*) NULL, bmp.bitmap,
0, 32, 0, 0, 0, 0, 1, 1);
bg_color = Color((pixel>>24)&0xFF, (pixel>>16)&0xFF, (pixel>>8)&0xFF, pixel&0xFF);
pixman_image_composite32(PIXMAN_OP_SRC, bitmap, (pixman_image_t*) NULL, bmp.bitmap,
16, 32, 0, 0, 0, 0, 1, 1);
sh_color = Color((pixel>>24)&0xFF, (pixel>>16)&0xFF, (pixel>>8)&0xFF, pixel&0xFF);
}
static int
pixman_renderer_surface_copy_content(struct weston_surface *surface,
void *target, size_t size,
int src_x, int src_y,
int width, int height)
{
const pixman_format_code_t format = PIXMAN_a8b8g8r8;
const size_t bytespp = 4; /* PIXMAN_a8b8g8r8 */
struct pixman_surface_state *ps = get_surface_state(surface);
pixman_image_t *out_buf;
if (!ps->image)
return -1;
out_buf = pixman_image_create_bits(format, width, height,
target, width * bytespp);
pixman_image_set_transform(ps->image, NULL);
pixman_image_composite32(PIXMAN_OP_SRC,
ps->image, /* src */
NULL, /* mask */
out_buf, /* dest */
src_x, src_y, /* src_x, src_y */
0, 0, /* mask_x, mask_y */
0, 0, /* dest_x, dest_y */
width, height);
pixman_image_unref(out_buf);
return 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();
}
void PixmanBitmap::OpacityBlit(int x, int y, Bitmap* _src, Rect src_rect, int opacity) {
PixmanBitmap* src = (PixmanBitmap*) _src;
if (opacity == 255) {
if (_src != this)
Blit(x, y, _src, src_rect, opacity);
return;
}
if (src == this) {
pixman_color_t pcolor = {0, 0, 0, opacity << 8};
pixman_rectangle16_t rect = {src_rect.x, src_rect.y, src_rect.width, src_rect.height};
pixman_image_fill_rectangles(PIXMAN_OP_IN_REVERSE, bitmap, &pcolor, 1, &rect);
}
else {
if (opacity > 255)
opacity = 255;
pixman_color_t tcolor = {0, 0, 0, opacity << 8};
pixman_image_t* mask = pixman_image_create_solid_fill(&tcolor);
pixman_image_composite32(PIXMAN_OP_OVER,
src->bitmap, mask, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
pixman_image_unref(mask);
}
RefreshCallback();
}
void PixmanBitmap::WaverBlit(int x, int y, Bitmap* _src, Rect src_rect, int depth, double phase, int opacity) {
if (opacity < 0)
return;
PixmanBitmap* src = (PixmanBitmap*) _src;
if (opacity > 255) opacity = 255;
pixman_image_t* mask;
if (opacity < 255) {
pixman_color_t tcolor = {0, 0, 0, opacity << 8};
mask = pixman_image_create_solid_fill(&tcolor);
}
else
mask = (pixman_image_t*) NULL;
for (int i = 0; i < src_rect.height; i++) {
int offset = (int) (depth * (1 + sin((phase + i * 20) * 3.14159 / 180)));
pixman_image_composite32(PIXMAN_OP_OVER,
src->bitmap, mask, bitmap,
src_rect.x, src_rect.y + i,
0, 0,
x + offset, y + i,
src_rect.width, 1);
}
if (mask != NULL)
pixman_image_unref(mask);
RefreshCallback();
}
cairo_surface_t *
_cairo_image_surface_snapshot (void *abstract_surface)
{
cairo_image_surface_t *image = abstract_surface;
cairo_image_surface_t *clone;
clone = (cairo_image_surface_t *)
_cairo_image_surface_create_with_pixman_format (NULL,
image->pixman_format,
image->width,
image->height,
0);
if (unlikely (clone->base.status))
return &clone->base;
if (clone->stride == image->stride) {
memcpy (clone->data, image->data, clone->stride * clone->height);
} else {
pixman_image_composite32 (PIXMAN_OP_SRC,
image->pixman_image, NULL, clone->pixman_image,
0, 0,
0, 0,
0, 0,
image->width, image->height);
}
clone->base.is_clear = FALSE;
return &clone->base;
}
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::Blit(int x, int y, Bitmap* _src, Rect src_rect, int opacity) {
if (opacity < 0)
return;
PixmanBitmap* src = (PixmanBitmap*) _src;
if (opacity > 255) opacity = 255;
pixman_image_t* mask;
if (opacity < 255) {
pixman_color_t tcolor = {0, 0, 0, opacity << 8};
mask = pixman_image_create_solid_fill(&tcolor);
}
else
mask = (pixman_image_t*) NULL;
pixman_image_composite32(PIXMAN_OP_OVER,
src->bitmap, mask, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
if (mask != NULL)
pixman_image_unref(mask);
RefreshCallback();
}
static cairo_int_status_t
composite_paint (cairo_image_surface_t *dst,
void *closure,
cairo_operator_t op,
const cairo_pattern_t *pattern,
int dst_x,
int dst_y,
const cairo_rectangle_int_t *extents)
{
cairo_rectangle_int_t sample;
pixman_image_t *src;
int src_x, src_y;
_cairo_pattern_sampled_area (pattern, extents, &sample);
src = _pixman_image_for_pattern (dst,
pattern, FALSE,
extents, &sample,
&src_x, &src_y);
if (unlikely (src == NULL))
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
pixman_image_composite32 (_pixman_operator (op),
src, NULL, dst->pixman_image,
extents->x + src_x, extents->y + src_y,
0, 0,
extents->x - dst_x, extents->y - dst_y,
extents->width, extents->height);
pixman_image_unref (src);
return CAIRO_STATUS_SUCCESS;
}
/* A convenience function for when one needs to coerce an image
* surface to an alternate format. */
cairo_image_surface_t *
_cairo_image_surface_coerce_to_format (cairo_image_surface_t *surface,
cairo_format_t format)
{
cairo_image_surface_t *clone;
cairo_status_t status;
status = surface->base.status;
if (unlikely (status))
return (cairo_image_surface_t *)_cairo_surface_create_in_error (status);
if (surface->format == format)
return (cairo_image_surface_t *)cairo_surface_reference(&surface->base);
clone = (cairo_image_surface_t *)
cairo_image_surface_create (format, surface->width, surface->height);
if (unlikely (clone->base.status))
return clone;
pixman_image_composite32 (PIXMAN_OP_SRC,
surface->pixman_image, NULL, clone->pixman_image,
0, 0,
0, 0,
0, 0,
surface->width, surface->height);
clone->base.is_clear = FALSE;
clone->base.device_transform =
surface->base.device_transform;
clone->base.device_transform_inverse =
surface->base.device_transform_inverse;
return clone;
}
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);
}
/* Handles compositing for %CAIRO_OPERATOR_SOURCE, which is special; it's
* defined as (src IN mask IN clip) ADD (dst OUT (mask IN clip))
*/
static cairo_status_t
clip_and_composite_source (const cairo_composite_rectangles_t *extents,
draw_func_t draw_func,
void *draw_closure)
{
cairo_image_surface_t *dst = (cairo_image_surface_t *)extents->surface;
cairo_image_surface_t *mask;
pixman_image_t *src;
int src_x, src_y;
cairo_status_t status = CAIRO_STATUS_SUCCESS;
TRACE ((stderr, "%s\n", __FUNCTION__));
mask = create_composite_mask (dst, draw_closure, draw_func, extents);
if (unlikely (mask->base.status))
return mask->base.status;
pixman_image_composite32 (PIXMAN_OP_OUT_REVERSE,
mask->pixman_image, NULL, dst->pixman_image,
0, 0,
0, 0,
extents->bounded.x, extents->bounded.y,
extents->bounded.width, extents->bounded.height);
src = _pixman_image_for_pattern (dst,
&extents->source_pattern.base, FALSE,
&extents->bounded,
&extents->source_sample_area,
&src_x, &src_y);
if (unlikely (src == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto error;
}
pixman_image_composite32 (PIXMAN_OP_ADD,
src, mask->pixman_image, dst->pixman_image,
extents->bounded.x + src_x, extents->bounded.y + src_y,
0, 0,
extents->bounded.x, extents->bounded.y,
extents->bounded.width, extents->bounded.height);
pixman_image_unref (src);
error:
cairo_surface_destroy (&mask->base);
return status;
}
int
main ()
{
static const pixman_point_fixed_t inner = { 0x0000, 0x0000 };
static const pixman_point_fixed_t outer = { 0x0000, 0x0000 };
static const pixman_fixed_t r_inner = 0;
static const pixman_fixed_t r_outer = 64 << 16;
static const pixman_gradient_stop_t stops[] = {
{ 0x00000, { 0x6666, 0x6666, 0x6666, 0xffff } },
{ 0x10000, { 0x0000, 0x0000, 0x0000, 0xffff } }
};
static const pixman_transform_t transform = {
{ { 0x0, 0x26ee, 0x0},
{ 0xffffeeef, 0x0, 0x0},
{ 0x0, 0x0, 0x10000}
}
};
static const pixman_color_t z = { 0x0000, 0x0000, 0x0000, 0x0000 };
pixman_image_t *dest, *radial, *zero;
int i;
double before, after;
dest = pixman_image_create_bits (
PIXMAN_x8r8g8b8, 640, 429, NULL, -1);
zero = pixman_image_create_solid_fill (&z);
radial = pixman_image_create_radial_gradient (
&inner, &outer, r_inner, r_outer, stops, ARRAY_LENGTH (stops));
pixman_image_set_transform (radial, &transform);
pixman_image_set_repeat (radial, PIXMAN_REPEAT_PAD);
#define N_COMPOSITE 500
before = gettime();
for (i = 0; i < N_COMPOSITE; ++i)
{
before -= gettime();
pixman_image_composite (
PIXMAN_OP_SRC, zero, NULL, dest,
0, 0, 0, 0, 0, 0, 640, 429);
before += gettime();
pixman_image_composite32 (
PIXMAN_OP_OVER, radial, NULL, dest,
- 150, -158, 0, 0, 0, 0, 640, 361);
}
after = gettime();
write_png (dest, "radial.png");
printf ("Average time to composite: %f\n", (after - before) / N_COMPOSITE);
return 0;
}
cairo_image_surface_t *
_cairo_image_surface_create_from_image (cairo_image_surface_t *other,
pixman_format_code_t format,
int x, int y,
int width, int height, int stride)
{
cairo_image_surface_t *surface;
cairo_status_t status;
pixman_image_t *image;
void *mem = NULL;
status = other->base.status;
if (unlikely (status))
goto cleanup;
if (stride) {
mem = _cairo_malloc_ab (height, stride);
if (unlikely (mem == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto cleanup;
}
}
image = pixman_image_create_bits (format, width, height, mem, stride);
if (unlikely (image == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto cleanup_mem;
}
surface = (cairo_image_surface_t *)
_cairo_image_surface_create_for_pixman_image (image, format);
if (unlikely (surface->base.status)) {
status = surface->base.status;
goto cleanup_image;
}
pixman_image_composite32 (PIXMAN_OP_SRC,
other->pixman_image, NULL, image,
x, y,
0, 0,
0, 0,
width, height);
surface->base.is_clear = FALSE;
surface->owns_data = mem != NULL;
return surface;
cleanup_image:
pixman_image_unref (image);
cleanup_mem:
free (mem);
cleanup:
return (cairo_image_surface_t *) _cairo_surface_create_in_error (status);
}
void PixmanBitmap::MaskBlit(int x, int y, Bitmap* _src, Rect src_rect) {
PixmanBitmap* src = (PixmanBitmap*) _src;
pixman_image_composite32(PIXMAN_OP_DISJOINT_IN_REVERSE,
src->bitmap, (pixman_image_t*) NULL, bitmap,
src_rect.x, src_rect.y,
0, 0,
x, y,
src_rect.width, src_rect.height);
RefreshCallback();
}
static pixman_bool_t
do_check (int i)
{
pixman_image_t *source, *dest, *mask;
pixman_op_t op;
int x, y, width, height;
pixman_image_t *dest_copy;
pixman_bool_t result = TRUE;
pixman_bool_t component_alpha;
prng_srand (i);
op = RANDOM_ELT (operators);
x = prng_rand_n (MAX_WIDTH);
y = prng_rand_n (MAX_HEIGHT);
width = prng_rand_n (MAX_WIDTH) + 4;
height = prng_rand_n (MAX_HEIGHT) + 4;
source = create_image (NULL);
mask = create_image (NULL);
dest = create_image (&dest_copy);
if (x >= dest->bits.width)
x = dest->bits.width / 2;
if (y >= dest->bits.height)
y = dest->bits.height / 2;
if (x + width > dest->bits.width)
width = dest->bits.width - x;
if (y + height > dest->bits.height)
height = dest->bits.height - y;
component_alpha = prng_rand_n (2);
pixman_image_set_component_alpha (mask, component_alpha);
pixman_image_composite32 (op, source, mask, dest,
0, 0, 0, 0,
x, y, width, height);
if (!verify (i, op, source, mask, dest, dest_copy,
x, y, width, height, component_alpha))
{
result = FALSE;
}
pixman_image_unref (source);
pixman_image_unref (mask);
pixman_image_unref (dest);
pixman_image_unref (dest_copy);
return result;
}
static void
_cairo_surface_snapshot_copy_on_write (cairo_surface_t *surface)
{
cairo_surface_snapshot_t *snapshot = (cairo_surface_snapshot_t *) surface;
cairo_image_surface_t *image;
cairo_image_surface_t *clone;
void *extra;
cairo_status_t status;
/* We need to make an image copy of the original surface since the
* snapshot may exceed the lifetime of the original device, i.e.
* when we later need to use the snapshot the data may have already
* been lost.
*/
status = _cairo_surface_acquire_source_image (snapshot->target, &image, &extra);
if (unlikely (status)) {
snapshot->target = _cairo_surface_create_in_error (status);
status = _cairo_surface_set_error (surface, status);
return;
}
clone = (cairo_image_surface_t *)
_cairo_image_surface_create_with_pixman_format (NULL,
image->pixman_format,
image->width,
image->height,
0);
if (likely (clone->base.status == CAIRO_STATUS_SUCCESS)) {
if (clone->stride == image->stride) {
memcpy (clone->data, image->data, image->stride * image->height);
} else {
pixman_image_composite32 (PIXMAN_OP_SRC,
image->pixman_image, NULL, clone->pixman_image,
0, 0,
0, 0,
0, 0,
image->width, image->height);
}
clone->base.is_clear = FALSE;
snapshot->clone = &clone->base;
} else {
snapshot->clone = &clone->base;
status = _cairo_surface_set_error (surface, clone->base.status);
}
_cairo_surface_release_source_image (snapshot->target, image, extra);
snapshot->target = snapshot->clone;
snapshot->base.type = snapshot->target->type;
}
void mSDLSWRunloop(struct mSDLRenderer* renderer, void* user) {
struct mCoreThread* context = user;
SDL_Event event;
#if !SDL_VERSION_ATLEAST(2, 0, 0)
SDL_Surface* surface = SDL_GetVideoSurface();
#endif
while (mCoreThreadIsActive(context)) {
while (SDL_PollEvent(&event)) {
mSDLHandleEvent(context, &renderer->player, &event);
}
if (mCoreSyncWaitFrameStart(&context->impl->sync)) {
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_UnlockTexture(renderer->sdlTex);
SDL_RenderCopy(renderer->sdlRenderer, renderer->sdlTex, 0, 0);
SDL_RenderPresent(renderer->sdlRenderer);
int stride;
SDL_LockTexture(renderer->sdlTex, 0, (void**) &renderer->outputBuffer, &stride);
renderer->core->setVideoBuffer(renderer->core, renderer->outputBuffer, stride / BYTES_PER_PIXEL);
#else
#ifdef USE_PIXMAN
if (renderer->ratio > 1) {
pixman_image_composite32(PIXMAN_OP_SRC, renderer->pix, 0, renderer->screenpix,
0, 0, 0, 0, 0, 0,
renderer->viewportWidth, renderer->viewportHeight);
}
#else
switch (renderer->ratio) {
#if defined(__ARM_NEON) && COLOR_16_BIT
case 2:
_neon2x(surface->pixels, renderer->outputBuffer, width, height);
break;
case 4:
_neon4x(surface->pixels, renderer->outputBuffer, width, height);
break;
#endif
case 1:
break;
default:
abort();
}
#endif
SDL_UnlockSurface(surface);
SDL_Flip(surface);
SDL_LockSurface(surface);
#endif
}
mCoreSyncWaitFrameEnd(&context->impl->sync);
}
}
bool Bitmap::WritePNG(std::ostream& os) const {
size_t const width = GetWidth(), height = GetHeight();
size_t const stride = width * 4;
std::vector<uint32_t> data(width * height);
EASYRPG_SHARED_PTR<pixman_image_t> dst
(pixman_image_create_bits(PIXMAN_a8r8g8b8, width, height, &data.front(), stride),
pixman_image_unref);
pixman_image_composite32(PIXMAN_OP_SRC, bitmap, NULL, dst.get(),
0, 0, 0, 0, 0, 0, width, height);
return ImagePNG::WritePNG(os, width, height, &data.front());
}
static void
Transform(DataSourceSurface* aDest,
DataSourceSurface* aSource,
const gfx3DMatrix& aTransform,
const Point& aDestOffset)
{
IntSize destSize = aDest->GetSize();
pixman_image_t* dest = pixman_image_create_bits(PIXMAN_a8r8g8b8,
destSize.width,
destSize.height,
(uint32_t*)aDest->GetData(),
aDest->Stride());
IntSize srcSize = aSource->GetSize();
pixman_image_t* src = pixman_image_create_bits(PIXMAN_a8r8g8b8,
srcSize.width,
srcSize.height,
(uint32_t*)aSource->GetData(),
aSource->Stride());
MOZ_ASSERT(src !=0 && dest != 0, "Failed to create pixman images?");
pixman_transform pixTransform = Matrix3DToPixman(aTransform);
pixman_transform pixTransformInverted;
// If the transform is singular then nothing would be drawn anyway, return here
if (!pixman_transform_invert(&pixTransformInverted, &pixTransform)) {
pixman_image_unref(dest);
pixman_image_unref(src);
return;
}
pixman_image_set_transform(src, &pixTransformInverted);
pixman_image_composite32(PIXMAN_OP_SRC,
src,
nullptr,
dest,
aDestOffset.x,
aDestOffset.y,
0,
0,
0,
0,
destSize.width,
destSize.height);
pixman_image_unref(dest);
pixman_image_unref(src);
}
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;
}
cairo_surface_t *
_cairo_image_surface_snapshot (void *abstract_surface)
{
cairo_image_surface_t *image = abstract_surface;
cairo_image_surface_t *clone;
/* If we own the image, we can simply steal the memory for the snapshot */
if (image->owns_data && image->base._finishing) {
clone = (cairo_image_surface_t *)
_cairo_image_surface_create_for_pixman_image (image->pixman_image,
image->pixman_format);
if (unlikely (clone->base.status))
return &clone->base;
image->pixman_image = NULL;
image->owns_data = FALSE;
clone->transparency = image->transparency;
clone->color = image->color;
clone->owns_data = FALSE;
return &clone->base;
}
clone = (cairo_image_surface_t *)
_cairo_image_surface_create_with_pixman_format (NULL,
image->pixman_format,
image->width,
image->height,
0);
if (unlikely (clone->base.status))
return &clone->base;
if (clone->stride == image->stride) {
memcpy (clone->data, image->data, clone->stride * clone->height);
} else {
pixman_image_composite32 (PIXMAN_OP_SRC,
image->pixman_image, NULL, clone->pixman_image,
0, 0,
0, 0,
0, 0,
image->width, image->height);
}
clone->base.is_clear = FALSE;
return &clone->base;
}
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;
}
static cairo_int_status_t
composite_mask (cairo_image_surface_t *dst,
void *closure,
cairo_operator_t op,
const cairo_pattern_t *pattern,
int dst_x,
int dst_y,
const cairo_rectangle_int_t *extents)
{
cairo_rectangle_int_t sample;
pixman_image_t *src, *mask;
int src_x, src_y;
int mask_x, mask_y;
TRACE ((stderr, "%s\n", __FUNCTION__));
_cairo_pattern_sampled_area (pattern, extents, &sample);
src = _pixman_image_for_pattern (dst, pattern, FALSE,
extents, &sample,
&src_x, &src_y);
if (unlikely (src == NULL))
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
_cairo_pattern_sampled_area (closure, extents, &sample);
mask = _pixman_image_for_pattern (dst, closure, TRUE,
extents, &sample,
&mask_x, &mask_y);
if (unlikely (mask == NULL)) {
pixman_image_unref (src);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
pixman_image_composite32 (_pixman_operator (op),
src, mask, dst->pixman_image,
extents->x + src_x, extents->y + src_y,
extents->x + mask_x, extents->y + mask_y,
extents->x - dst_x, extents->y - dst_y,
extents->width, extents->height);
pixman_image_unref (mask);
pixman_image_unref (src);
return CAIRO_STATUS_SUCCESS;
}
void PixmanBitmap::TiledBlit(int ox, int oy, Rect src_rect, Bitmap* src, Rect dst_rect, int opacity) {
if (opacity < 0)
return;
if (opacity > 255) opacity = 255;
if (ox >= src_rect.width) ox %= src_rect.width;
if (oy >= src_rect.height) ox %= src_rect.height;
if (ox < 0) ox += src_rect.width * ((-ox + src_rect.width - 1) / src_rect.width);
if (oy < 0) oy += src_rect.height * ((-oy + src_rect.height - 1) / src_rect.height);
pixman_image_t* src_bm = GetSubimage(src, src_rect);
pixman_image_t* mask;
if (opacity < 255) {
pixman_color_t tcolor = {0, 0, 0, opacity << 8};
mask = pixman_image_create_solid_fill(&tcolor);
}
else
mask = (pixman_image_t*) NULL;
pixman_image_set_repeat(src_bm, PIXMAN_REPEAT_NORMAL);
pixman_transform_t xform;
pixman_transform_init_translate(&xform,
pixman_int_to_fixed(ox),
pixman_int_to_fixed(oy));
pixman_image_set_transform(src_bm, &xform);
pixman_image_composite32(PIXMAN_OP_OVER,
src_bm, mask, bitmap,
0, 0,
0, 0,
dst_rect.x, dst_rect.y,
dst_rect.width, dst_rect.height);
pixman_image_unref(src_bm);
if (mask != NULL)
pixman_image_unref(mask);
RefreshCallback();
}
static cairo_int_status_t
composite_traps (cairo_image_surface_t *dst,
void *closure,
cairo_operator_t op,
const cairo_pattern_t *pattern,
int dst_x,
int dst_y,
const cairo_rectangle_int_t *extents)
{
composite_traps_info_t *info = closure;
cairo_rectangle_int_t sample;
pixman_image_t *src, *mask;
int src_x, src_y;
TRACE ((stderr, "%s\n", __FUNCTION__));
_cairo_pattern_sampled_area (pattern, extents, &sample);
src = _pixman_image_for_pattern (dst, pattern, FALSE,
extents, &sample,
&src_x, &src_y);
if (unlikely (src == NULL))
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
mask = pixman_image_create_bits (info->antialias == CAIRO_ANTIALIAS_NONE ? PIXMAN_a1 : PIXMAN_a8,
extents->width, extents->height,
NULL, 0);
if (unlikely (mask == NULL)) {
pixman_image_unref (src);
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
}
_pixman_image_add_traps (mask, extents->x, extents->y, &info->traps);
pixman_image_composite32 (_pixman_operator (op),
src, mask, dst->pixman_image,
extents->x + src_x - dst_x, extents->y + src_y - dst_y,
0, 0,
extents->x - dst_x, extents->y - dst_y,
extents->width, extents->height);
pixman_image_unref (mask);
pixman_image_unref (src);
return CAIRO_STATUS_SUCCESS;
}
static inline void blend_to_pixmap_from_pixmap(const RedDrawable_p* dest,
const SpiceRect& area,
const SpicePoint& offset,
const PixelsSource_p* source,
int src_x, int src_y)
{
pixman_image_t *dest_surface = dest->source.pixmap.pixman_image;
pixman_image_t *src_surface = source->pixmap.pixman_image;
pixman_image_composite32 (PIXMAN_OP_ATOP,
src_surface, NULL, dest_surface,
src_x + offset.x,
src_y + offset.y,
0, 0,
area.left + offset.x,
area.top + offset.y,
area.right - area.left,
area.bottom - area.top);
}
