void SkGLDrawProcs::drawQuads() {
SkASSERT(SK_ARRAY_COUNT(gQuadIndices) == MAX_QUADS * 6);
glBindTexture(GL_TEXTURE_2D, fCurrTexture);
#if 0
static bool gOnce;
if (!gOnce) {
generateQuadIndices(MAX_QUADS);
gOnce = true;
}
#endif
// convert from quad vertex count to triangle vertex count
// 6/4 * n == n + (n >> 1) since n is always a multiple of 4
SkASSERT((fCurrQuad & 3) == 0);
int count = fCurrQuad + (fCurrQuad >> 1);
if (fClip->isComplex()) {
SkGLClipIter iter(fViewportHeight);
iter.reset(*fClip);
while (!iter.done()) {
iter.scissor();
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_BYTE, gQuadIndices);
iter.next();
}
} else {
glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_BYTE, gQuadIndices);
}
}
static void toString(const SkRegion& rgn, SkString* str) {
str->append("Region:[");
toString(rgn.getBounds(), str);
str->append("]");
if (rgn.isComplex()) {
str->append(".complex");
}
}
static void Surface_setTransparentRegion(
JNIEnv* env, jobject clazz, jobject argRegion)
{
const sp<SurfaceControl>& surface(getSurfaceControl(env, clazz));
if (surface == 0) return;
SkRegion* nativeRegion = (SkRegion*)env->GetIntField(argRegion, no.native_region);
const SkIRect& b(nativeRegion->getBounds());
Region reg(Rect(b.fLeft, b.fTop, b.fRight, b.fBottom));
if (nativeRegion->isComplex()) {
SkRegion::Iterator it(*nativeRegion);
while (!it.done()) {
const SkIRect& r(it.rect());
reg.addRectUnchecked(r.fLeft, r.fTop, r.fRight, r.fBottom);
it.next();
}
}
status_t err = surface->setTransparentRegionHint(reg);
if (err<0 && err!=NO_INIT) {
doThrowIAE(env);
}
}
static void nativeSetTransparentRegionHint(JNIEnv* env, jclass clazz, jlong nativeObject, jobject regionObj) {
SurfaceControl* const ctrl = reinterpret_cast<SurfaceControl *>(nativeObject);
SkRegion* region = android_graphics_Region_getSkRegion(env, regionObj);
if (!region) {
doThrowIAE(env);
return;
}
const SkIRect& b(region->getBounds());
Region reg(Rect(b.fLeft, b.fTop, b.fRight, b.fBottom));
if (region->isComplex()) {
SkRegion::Iterator it(*region);
while (!it.done()) {
const SkIRect& r(it.rect());
reg.addRectUnchecked(r.fLeft, r.fTop, r.fRight, r.fBottom);
it.next();
}
}
status_t err = ctrl->setTransparentRegionHint(reg);
if (err < 0 && err != NO_INIT) {
doThrowIAE(env);
}
}