android/android_hardware_qcom_display
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Display/libhwcomposer:align the copybit src and dst buffer

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Align the copybit source and destination buffer according
to the frame buffer pixel format.
CRs-fixed: 327687

Change-Id: I00a0a047f2f6d639202e8395d85902b821e2a65c
This commit is contained in:
Ramakant Singh
2011-12-31 17:03:50 +05:30
committed by Andrew Sutherland
parent a9a3796c03
commit 36ba650a17
1 changed files with 19 additions and 16 deletions
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35
libhwcomposer/hwcomposer.cpp
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@ -1042,10 +1042,25 @@ static int drawLayerUsingCopybit(hwc_composer_device_t *dev, hwc_layer_t *layer,
LOGE("%s: genlock_lock_buffer(READ) failed", __FUNCTION__);
return -1;
}
// Set the copybit source:
//render buffer
android_native_buffer_t *renderBuffer = (android_native_buffer_t *)eglGetRenderBufferANDROID(dpy, surface);
if (!renderBuffer) {
LOGE("eglGetRenderBufferANDROID returned NULL buffer");
genlock_unlock_buffer(hnd);
return -1;
}
private_handle_t *fbHandle = (private_handle_t *)renderBuffer->handle;
if(!fbHandle) {
LOGE("Framebuffer handle is NULL");
genlock_unlock_buffer(hnd);
return -1;
}
int alignment = 32;
if( HAL_PIXEL_FORMAT_RGB_565 == fbHandle->format )
alignment = 16;
// Set the copybit source:
copybit_image_t src;
src.w = ALIGN(hnd->width, 32);
src.w = ALIGN(hnd->width, alignment);
src.h = hnd->height;
src.format = hnd->format;
src.base = (void *)hnd->base;
@ -1070,19 +1085,7 @@ static int drawLayerUsingCopybit(hwc_composer_device_t *dev, hwc_layer_t *layer,
// Copybit dst
copybit_image_t dst;
android_native_buffer_t *renderBuffer = (android_native_buffer_t *)eglGetRenderBufferANDROID(dpy, surface);
if (!renderBuffer) {
LOGE("eglGetRenderBufferANDROID returned NULL buffer");
genlock_unlock_buffer(hnd);
return -1;
}
private_handle_t *fbHandle = (private_handle_t *)renderBuffer->handle;
if(!fbHandle) {
LOGE("Framebuffer handle is NULL");
genlock_unlock_buffer(hnd);
return -1;
}
dst.w = ALIGN(fbHandle->width,32);
dst.w = ALIGN(fbHandle->width,alignment);
dst.h = fbHandle->height;
dst.format = fbHandle->format;
dst.base = (void *)fbHandle->base;