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-rw-r--r--libs/surfaceflinger/LayerOrientationAnim.cpp187
1 files changed, 102 insertions, 85 deletions
diff --git a/libs/surfaceflinger/LayerOrientationAnim.cpp b/libs/surfaceflinger/LayerOrientationAnim.cpp
index 5fec325..2b72d7c 100644
--- a/libs/surfaceflinger/LayerOrientationAnim.cpp
+++ b/libs/surfaceflinger/LayerOrientationAnim.cpp
@@ -55,7 +55,6 @@ LayerOrientationAnim::LayerOrientationAnim(
mOrientationCompleted = false;
mFirstRedraw = false;
mLastNormalizedTime = 0;
- mLastAngle = 0;
mLastScale = 0;
mNeedsBlending = false;
}
@@ -95,6 +94,10 @@ void LayerOrientationAnim::validateVisibility(const Transform&)
transparentRegionScreen.clear();
mTransformed = true;
mCanUseCopyBit = false;
+ copybit_device_t* copybit = mFlinger->getBlitEngine();
+ if (copybit) {
+ mCanUseCopyBit = true;
+ }
}
void LayerOrientationAnim::onOrientationCompleted()
@@ -106,33 +109,35 @@ void LayerOrientationAnim::onOrientationCompleted()
mFlinger->invalidateLayerVisibility(this);
}
-const float ROTATION = M_PI * 0.5f;
-const float ROTATION_FACTOR = 1.0f; // 1.0 or 2.0
-const float DURATION = ms2ns(200);
-const float BOUNCES_PER_SECOND = 1.618f;
-const float BOUNCES_AMPLITUDE = (5.0f/180.f) * M_PI;
-
void LayerOrientationAnim::onDraw(const Region& clip) const
{
// Animation...
+ const float MIN_SCALE = 0.5f;
+ const float DURATION = ms2ns(200);
+ const float BOUNCES_PER_SECOND = 1.618f;
+ const float BOUNCES_AMPLITUDE = 1.0f/32.0f;
- // FIXME: works only for portrait framebuffers
- const Point size(getPhysicalSize());
- const float TARGET_SCALE = size.x * (1.0f / size.y);
-
const nsecs_t now = systemTime();
- float angle, scale, alpha;
+ float scale, alpha;
if (mOrientationCompleted) {
if (mFirstRedraw) {
+ mFirstRedraw = false;
+
// make a copy of what's on screen
copybit_image_t image;
mBitmapIn.getBitmapSurface(&image);
const DisplayHardware& hw(graphicPlane(0).displayHardware());
hw.copyBackToImage(image);
+
+ // and erase the screen for this round
+ glDisable(GL_BLEND);
+ glDisable(GL_DITHER);
+ glDisable(GL_SCISSOR_TEST);
+ glClearColor(0,0,0,0);
+ glClear(GL_COLOR_BUFFER_BIT);
// FIXME: code below is gross
- mFirstRedraw = false;
mNeedsBlending = false;
LayerOrientationAnim* self(const_cast<LayerOrientationAnim*>(this));
mFlinger->invalidateLayerVisibility(self);
@@ -143,39 +148,36 @@ void LayerOrientationAnim::onDraw(const Region& clip) const
const float normalizedTime = (float(now - mFinishTime) / duration);
if (normalizedTime <= 1.0f) {
const float squaredTime = normalizedTime*normalizedTime;
- angle = (ROTATION*ROTATION_FACTOR - mLastAngle)*squaredTime + mLastAngle;
scale = (1.0f - mLastScale)*squaredTime + mLastScale;
- alpha = normalizedTime;
+ alpha = (1.0f - normalizedTime);
+ alpha *= alpha;
+ alpha *= alpha;
} else {
mAnim->onAnimationFinished();
- angle = ROTATION;
- alpha = 1.0f;
scale = 1.0f;
+ alpha = 0.0f;
}
} else {
const float normalizedTime = float(now - mStartTime) / DURATION;
if (normalizedTime <= 1.0f) {
mLastNormalizedTime = normalizedTime;
const float squaredTime = normalizedTime*normalizedTime;
- angle = ROTATION * squaredTime;
- scale = (TARGET_SCALE - 1.0f)*squaredTime + 1.0f;
- alpha = 0;
+ scale = (MIN_SCALE-1.0f)*squaredTime + 1.0f;
+ alpha = 1.0f;
} else {
mLastNormalizedTime = 1.0f;
const float to_seconds = DURATION / seconds(1);
const float phi = BOUNCES_PER_SECOND *
- (((normalizedTime - 1.0f) * to_seconds)*M_PI*2);
- angle = ROTATION + BOUNCES_AMPLITUDE * sinf(phi);
- scale = TARGET_SCALE;
- alpha = 0;
+ (((normalizedTime - 1.0f) * to_seconds)*M_PI*2);
+ scale = MIN_SCALE + BOUNCES_AMPLITUDE * (1.0f - cosf(phi));
+ alpha = 1.0f;
}
- mLastAngle = angle;
mLastScale = scale;
}
- drawScaled(angle, scale, alpha);
+ drawScaled(scale, alpha);
}
-void LayerOrientationAnim::drawScaled(float f, float s, float alpha) const
+void LayerOrientationAnim::drawScaled(float f, float alpha) const
{
copybit_image_t dst;
const GraphicPlane& plane(graphicPlane(0));
@@ -185,83 +187,98 @@ void LayerOrientationAnim::drawScaled(float f, float s, float alpha) const
// clear screen
// TODO: with update on demand, we may be able
// to not erase the screen at all during the animation
- glDisable(GL_BLEND);
- glDisable(GL_DITHER);
- glDisable(GL_SCISSOR_TEST);
- glClearColor(0,0,0,0);
- glClear(GL_COLOR_BUFFER_BIT);
+ if (!mOrientationCompleted) {
+ glDisable(GL_BLEND);
+ glDisable(GL_DITHER);
+ glDisable(GL_SCISSOR_TEST);
+ glClearColor(0,0,0,0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ }
- const int w = dst.w;
- const int h = dst.h;
+ const int w = dst.w*f;
+ const int h = dst.h*f;
+ const int xc = uint32_t(dst.w-w)/2;
+ const int yc = uint32_t(dst.h-h)/2;
+ const copybit_rect_t drect = { xc, yc, xc+w, yc+h };
copybit_image_t src;
mBitmap.getBitmapSurface(&src);
const copybit_rect_t srect = { 0, 0, src.w, src.h };
+ int err = NO_ERROR;
+ const int can_use_copybit = canUseCopybit();
+ if (can_use_copybit) {
+ copybit_device_t* copybit = mFlinger->getBlitEngine();
+ copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+ copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
+
+ if (alpha < 1.0f) {
+ copybit_image_t srcIn;
+ mBitmapIn.getBitmapSurface(&srcIn);
+ region_iterator it(Region(Rect( drect.l, drect.t, drect.r, drect.b )));
+ copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
+ err = copybit->stretch(copybit, &dst, &srcIn, &drect, &srect, &it);
+ }
- GGLSurface t;
- t.version = sizeof(GGLSurface);
- t.width = src.w;
- t.height = src.h;
- t.stride = src.w;
- t.vstride= src.h;
- t.format = src.format;
- t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
-
- const int targetOrientation = plane.getOrientation();
- if (!targetOrientation) {
- f = -f;
- }
-
- Transform tr;
- tr.set(f, w*0.5f, h*0.5f);
- tr.scale(s, w*0.5f, h*0.5f);
-
- // FIXME: we should not access mVertices and mDrawingState like that,
- // but since we control the animation, we know it's going to work okay.
- // eventually we'd need a more formal way of doing things like this.
- LayerOrientationAnim& self(const_cast<LayerOrientationAnim&>(*this));
- tr.transform(self.mVertices[0], 0, 0);
- tr.transform(self.mVertices[1], 0, src.h);
- tr.transform(self.mVertices[2], src.w, src.h);
- tr.transform(self.mVertices[3], src.w, 0);
-
- if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
- // Too slow to do this in software
- self.mDrawingState.flags |= ISurfaceComposer::eLayerFilter;
+ if (!err && alpha > 0.0f) {
+ region_iterator it(Region(Rect( drect.l, drect.t, drect.r, drect.b )));
+ copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, int(alpha*255));
+ err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it);
+ }
+ LOGE_IF(err != NO_ERROR, "copybit failed (%s)", strerror(err));
}
+ if (!can_use_copybit || err) {
+ GGLSurface t;
+ t.version = sizeof(GGLSurface);
+ t.width = src.w;
+ t.height = src.h;
+ t.stride = src.w;
+ t.vstride= src.h;
+ t.format = src.format;
+ t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
- if (UNLIKELY(mTextureName == -1LU)) {
- mTextureName = createTexture();
- GLuint w=0, h=0;
- const Region dirty(Rect(t.width, t.height));
- loadTexture(dirty, mTextureName, t, w, h);
- }
- self.mDrawingState.alpha = 255; //-int(alpha*255);
- const Region clip(Rect( srect.l, srect.t, srect.r, srect.b ));
- drawWithOpenGL(clip, mTextureName, t);
-
- if (alpha > 0) {
- const float sign = (!targetOrientation) ? 1.0f : -1.0f;
- tr.set(f + sign*(M_PI * 0.5f * ROTATION_FACTOR), w*0.5f, h*0.5f);
- tr.scale(s, w*0.5f, h*0.5f);
+ Transform tr;
+ tr.set(f,0,0,f);
+ tr.set(xc, yc);
+
+ // FIXME: we should not access mVertices and mDrawingState like that,
+ // but since we control the animation, we know it's going to work okay.
+ // eventually we'd need a more formal way of doing things like this.
+ LayerOrientationAnim& self(const_cast<LayerOrientationAnim&>(*this));
tr.transform(self.mVertices[0], 0, 0);
tr.transform(self.mVertices[1], 0, src.h);
tr.transform(self.mVertices[2], src.w, src.h);
tr.transform(self.mVertices[3], src.w, 0);
+ if (!(mFlags & DisplayHardware::SLOW_CONFIG)) {
+ // Too slow to do this in software
+ self.mDrawingState.flags |= ISurfaceComposer::eLayerFilter;
+ }
+
+ if (alpha < 1.0f) {
+ copybit_image_t src;
+ mBitmapIn.getBitmapSurface(&src);
+ t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
+ if (UNLIKELY(mTextureNameIn == -1LU)) {
+ mTextureNameIn = createTexture();
+ GLuint w=0, h=0;
+ const Region dirty(Rect(t.width, t.height));
+ loadTexture(dirty, mTextureNameIn, t, w, h);
+ }
+ self.mDrawingState.alpha = 255;
+ const Region clip(Rect( drect.l, drect.t, drect.r, drect.b ));
+ drawWithOpenGL(clip, mTextureName, t);
+ }
- copybit_image_t src;
- mBitmapIn.getBitmapSurface(&src);
t.data = (GGLubyte*)(intptr_t(src.base) + src.offset);
- if (UNLIKELY(mTextureNameIn == -1LU)) {
- mTextureNameIn = createTexture();
+ if (UNLIKELY(mTextureName == -1LU)) {
+ mTextureName = createTexture();
GLuint w=0, h=0;
const Region dirty(Rect(t.width, t.height));
- loadTexture(dirty, mTextureNameIn, t, w, h);
+ loadTexture(dirty, mTextureName, t, w, h);
}
self.mDrawingState.alpha = int(alpha*255);
- const Region clip(Rect( srect.l, srect.t, srect.r, srect.b ));
- drawWithOpenGL(clip, mTextureNameIn, t);
+ const Region clip(Rect( drect.l, drect.t, drect.r, drect.b ));
+ drawWithOpenGL(clip, mTextureName, t);
}
}
generated by cgit v1.1 at 2024-10-27 22:15:33 +0000