static inline void draw_replacement_bitmap(GrCachedLayer* layer, SkCanvas* canvas) {
// Some image filter can totally filter away a layer (e.g., SkPictureImageFilter's with
// no picture).
if (!layer->texture()) {
return;
}
SkBitmap bm;
wrap_texture(layer->texture(),
!layer->isAtlased() ? layer->rect().width() : layer->texture()->width(),
!layer->isAtlased() ? layer->rect().height() : layer->texture()->height(),
&bm);
if (layer->isAtlased()) {
const SkRect src = SkRect::Make(layer->rect());
const SkRect dst = SkRect::Make(layer->srcIR());
SkASSERT(layer->offset().isZero());
canvas->save();
canvas->setMatrix(SkMatrix::I());
canvas->drawBitmapRect(bm, src, dst, layer->paint(), SkCanvas::kStrict_SrcRectConstraint);
canvas->restore();
} else {
canvas->drawSprite(bm,
layer->srcIR().fLeft + layer->offset().fX,
layer->srcIR().fTop + layer->offset().fY,
layer->paint());
}
}
static void convert_layers_to_replacements(const SkTDArray<GrHoistedLayer>& layers,
GrReplacements* replacements) {
// TODO: just replace GrReplacements::ReplacementInfo with GrCachedLayer?
for (int i = 0; i < layers.count(); ++i) {
GrCachedLayer* layer = layers[i].fLayer;
const SkPicture* picture = layers[i].fPicture;
GrReplacements::ReplacementInfo* layerInfo =
replacements->newReplacement(picture->uniqueID(),
layer->start(),
layers[i].fCTM);
layerInfo->fStop = layer->stop();
layerInfo->fPos = layers[i].fOffset;
SkBitmap bm;
wrap_texture(layers[i].fLayer->texture(),
!layers[i].fLayer->isAtlased() ? layers[i].fLayer->rect().width()
: layers[i].fLayer->texture()->width(),
!layers[i].fLayer->isAtlased() ? layers[i].fLayer->rect().height()
: layers[i].fLayer->texture()->height(),
&bm);
layerInfo->fImage = SkImage::NewTexture(bm);
layerInfo->fPaint = layers[i].fLayer->paint()
? SkNEW_ARGS(SkPaint, (*layers[i].fLayer->paint()))
: NULL;
layerInfo->fSrcRect = SkIRect::MakeXYWH(layers[i].fLayer->rect().fLeft,
layers[i].fLayer->rect().fTop,
layers[i].fLayer->rect().width(),
layers[i].fLayer->rect().height());
}
}
/**
* Called when rendering to a texture image begins, or when changing
* the dest mipmap level, cube face, etc.
* This is a fallback routine for software render-to-texture.
*
* Called via the glRenderbufferTexture1D/2D/3D() functions
* and elsewhere (such as glTexImage2D).
*
* The image we're rendering into is
* att->Texture->Image[att->CubeMapFace][att->TextureLevel];
* It'll never be NULL.
*
* \param fb the framebuffer object the texture is being bound to
* \param att the fb attachment point of the texture
*
* \sa _mesa_framebuffer_renderbuffer
*/
void
_swrast_render_texture(struct gl_context *ctx,
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att)
{
(void) fb;
if (!att->Renderbuffer) {
wrap_texture(ctx, att);
}
update_wrapper(ctx, att);
}
