hack copybit back in for video playback on msm7k. we have h/w accelerated video again
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index 22fd499..1baf720 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -24,6 +24,9 @@
#include <utils/StopWatch.h>
#include <ui/PixelFormat.h>
+#include <ui/FramebufferNativeWindow.h>
+
+#include <hardware/copybit.h>
#include "LayerBuffer.h"
#include "SurfaceFlinger.h"
@@ -316,7 +319,12 @@
mLayer.setNeedsBlending((info.h_alpha - info.l_alpha) > 0);
mBufferSize = info.getScanlineSize(buffers.hor_stride)*buffers.ver_stride;
mLayer.forceVisibilityTransaction();
-
+
+ hw_module_t const* module;
+ mBlitEngine = NULL;
+ if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &module) == 0) {
+ copybit_open(module, &mBlitEngine);
+ }
}
LayerBuffer::BufferSource::~BufferSource()
@@ -387,9 +395,119 @@
return;
}
- const NativeBuffer& src( ourBuffer->getBuffer() );
+ status_t err = NO_ERROR;
+ NativeBuffer src(ourBuffer->getBuffer());
+ const Rect& transformedBounds = mLayer.getTransformedBounds();
+ copybit_device_t* copybit = mBlitEngine;
- //if (!can_use_copybit || err)
+ if (copybit) {
+ const int src_width = src.crop.r - src.crop.l;
+ const int src_height = src.crop.b - src.crop.t;
+ int W = transformedBounds.width();
+ int H = transformedBounds.height();
+ if (mLayer.getOrientation() & Transform::ROT_90) {
+ int t(W); W=H; H=t;
+ }
+
+#if 0
+ /* With LayerBuffer, it is likely that we'll have to rescale the
+ * surface, because this is often used for video playback or
+ * camera-preview. Since we want these operation as fast as possible
+ * we make sure we can use the 2D H/W even if it doesn't support
+ * the requested scale factor, in which case we perform the scaling
+ * in several passes. */
+
+ const float min = copybit->get(copybit, COPYBIT_MINIFICATION_LIMIT);
+ const float mag = copybit->get(copybit, COPYBIT_MAGNIFICATION_LIMIT);
+
+ float xscale = 1.0f;
+ if (src_width > W*min) xscale = 1.0f / min;
+ else if (src_width*mag < W) xscale = mag;
+
+ float yscale = 1.0f;
+ if (src_height > H*min) yscale = 1.0f / min;
+ else if (src_height*mag < H) yscale = mag;
+
+ if (UNLIKELY(xscale!=1.0f || yscale!=1.0f)) {
+ if (UNLIKELY(mTemporaryDealer == 0)) {
+ // allocate a memory-dealer for this the first time
+ mTemporaryDealer = mLayer.mFlinger->getSurfaceHeapManager()
+ ->createHeap(ISurfaceComposer::eHardware);
+ mTempBitmap.init(mTemporaryDealer);
+ }
+
+ const int tmp_w = floorf(src_width * xscale);
+ const int tmp_h = floorf(src_height * yscale);
+ err = mTempBitmap.setBits(tmp_w, tmp_h, 1, src.img.format);
+
+ if (LIKELY(err == NO_ERROR)) {
+ NativeBuffer tmp;
+ mTempBitmap.getBitmapSurface(&tmp.img);
+ tmp.crop.l = 0;
+ tmp.crop.t = 0;
+ tmp.crop.r = tmp.img.w;
+ tmp.crop.b = tmp.img.h;
+
+ region_iterator tmp_it(Region(Rect(tmp.crop.r, tmp.crop.b)));
+ copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+ copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 0xFF);
+ copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE);
+ err = copybit->stretch(copybit,
+ &tmp.img, &src.img, &tmp.crop, &src.crop, &tmp_it);
+ src = tmp;
+ }
+ }
+#endif
+
+ copybit_image_t dst;
+ const DisplayHardware& hw(mLayer.graphicPlane(0).displayHardware());
+ sp<FramebufferNativeWindow> fbw = hw.getFb();
+ android_native_buffer_t const* nb = fbw->getBackbuffer();
+ native_handle_t const* hnd = nb->handle;
+
+ if (hnd->data[1] != 0x3141592) {
+ LOGE("buffer not compatible with copybit");
+ err = -1;
+ } else {
+
+ dst.w = 320;
+ dst.h = 480;
+ dst.format = 4;
+ dst.offset = hnd->data[4];
+ dst.base = 0;
+ dst.fd = hnd->data[0];
+
+ const Rect& transformedBounds = mLayer.getTransformedBounds();
+ const copybit_rect_t& drect
+ = reinterpret_cast<const copybit_rect_t&>(transformedBounds);
+ const State& s(mLayer.drawingState());
+ region_iterator it(clip);
+
+ // pick the right orientation for this buffer
+ int orientation = mLayer.getOrientation();
+ if (UNLIKELY(mBufferHeap.transform)) {
+ Transform rot90;
+ GraphicPlane::orientationToTransfrom(
+ ISurfaceComposer::eOrientation90, 0, 0, &rot90);
+ const Transform& planeTransform(mLayer.graphicPlane(0).transform());
+ const Layer::State& s(mLayer.drawingState());
+ Transform tr(planeTransform * s.transform * rot90);
+ orientation = tr.getOrientation();
+ }
+
+ copybit->set_parameter(copybit, COPYBIT_TRANSFORM, orientation);
+ copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha);
+ copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE);
+
+ err = copybit->stretch(copybit,
+ &dst, &src.img, &drect, &src.crop, &it);
+ if (err != NO_ERROR) {
+ LOGE("copybit failed (%s)", strerror(err));
+ }
+ }
+ }
+
+ if (!copybit || err)
{
// OpenGL fall-back
if (UNLIKELY(mTexture.name == -1LU)) {