LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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hwc: Remove need for intermediate for mdp3 composition

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8x10 has a product line that is suppose to use 256MB. The
intermediate buffers allocated are not needed when we can
compose onto fb frame.

Change-Id: I13fd2deb328a3ef4b6738cfe7030fe67ea7bd6c6
This commit is contained in:
Terence Hampson
2013-10-09 11:32:21 -04:00
parent a5e5696106
commit c67b03798c
3 changed files with 24 additions and 11 deletions
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2
libhwcomposer/hwc.cpp
View File

@@ -506,7 +506,7 @@ static int hwc_set_primary(hwc_context_t *ctx, hwc_display_contents_1_t* list) {
//TODO We dont check for SKIP flag on this layer because we need PAN
//always. Last layer is always FB
private_handle_t *hnd = (private_handle_t *)fbLayer->handle;
if(copybitDone) {
if(copybitDone && ctx->mMDP.version >= qdutils::MDP_V4_0) {
hnd = ctx->mCopyBit[dpy]->getCurrentRenderBuffer();
}

27
libhwcomposer/hwc_copybit.cpp
View File

@@ -199,7 +199,8 @@ bool CopyBit::prepare(hwc_context_t *ctx, hwc_display_contents_1_t *list,
}
//Allocate render buffers if they're not allocated
if (useCopybitForYUV || useCopybitForRGB) {
if (ctx->mMDP.version != qdutils::MDP_V3_0_4 &&
(useCopybitForYUV || useCopybitForRGB)) {
int ret = allocRenderBuffers(mAlignedFBWidth,
mAlignedFBHeight,
HAL_PIXEL_FORMAT_RGBA_8888);
@@ -223,6 +224,9 @@ bool CopyBit::prepare(hwc_context_t *ctx, hwc_display_contents_1_t *list,
// Mark all layers to be drawn by copybit
for (int i = ctx->listStats[dpy].numAppLayers-1; i >= 0 ; i--) {
layerProp[i].mFlags |= HWC_COPYBIT;
if (ctx->mMDP.version == qdutils::MDP_V3_0_4)
list->hwLayers[i].compositionType = HWC_BLIT;
else
list->hwLayers[i].compositionType = HWC_OVERLAY;
}
}
@@ -254,13 +258,20 @@ bool CopyBit::draw(hwc_context_t *ctx, hwc_display_contents_1_t *list,
// draw layers marked for COPYBIT
int retVal = true;
int copybitLayerCount = 0;
uint32_t last = 0;
LayerProp *layerProp = ctx->layerProp[dpy];
private_handle_t *renderBuffer;
if(mCopyBitDraw == false) // there is no layer marked for copybit
return false ;
//render buffer
private_handle_t *renderBuffer = getCurrentRenderBuffer();
if (ctx->mMDP.version == qdutils::MDP_V3_0_4) {
last = list->numHwLayers - 1;
renderBuffer = (private_handle_t *)list->hwLayers[last].handle;
} else {
renderBuffer = getCurrentRenderBuffer();
}
if (!renderBuffer) {
ALOGE("%s: Render buffer layer handle is NULL", __FUNCTION__);
return false;
@@ -274,9 +285,9 @@ bool CopyBit::draw(hwc_context_t *ctx, hwc_display_contents_1_t *list,
mRelFd[mCurRenderBufferIndex] = -1;
}
} else {
if(mRelFd[mCurRenderBufferIndex] >=0) {
if(list->hwLayers[last].acquireFenceFd >=0) {
copybit_device_t *copybit = getCopyBitDevice();
copybit->set_sync(copybit, mRelFd[mCurRenderBufferIndex]);
copybit->set_sync(copybit, list->hwLayers[last].acquireFenceFd);
}
}
@@ -316,10 +327,10 @@ bool CopyBit::draw(hwc_context_t *ctx, hwc_display_contents_1_t *list,
copybit_device_t *copybit = getCopyBitDevice();
// Async mode
copybit->flush_get_fence(copybit, fd);
if(mRelFd[mCurRenderBufferIndex] >=0 &&
ctx->mMDP.version == qdutils::MDP_V3_0_4) {
close(mRelFd[mCurRenderBufferIndex]);
mRelFd[mCurRenderBufferIndex] = -1;
if(ctx->mMDP.version == qdutils::MDP_V3_0_4 &&
list->hwLayers[last].acquireFenceFd >= 0) {
close(list->hwLayers[last].acquireFenceFd);
list->hwLayers[last].acquireFenceFd = -1;
}
}
return true;

4
libhwcomposer/hwc_utils.cpp
View File

@@ -1192,7 +1192,8 @@ int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
//Accumulate acquireFenceFds for MDP
for(uint32_t i = 0; i < list->numHwLayers; i++) {
if(list->hwLayers[i].compositionType == HWC_OVERLAY &&
if((list->hwLayers[i].compositionType == HWC_OVERLAY ||
list->hwLayers[i].compositionType == HWC_BLIT) &&
list->hwLayers[i].acquireFenceFd >= 0) {
if(UNLIKELY(swapzero))
acquireFd[count++] = -1;
@@ -1234,6 +1235,7 @@ int hwc_sync(hwc_context_t *ctx, hwc_display_contents_1_t* list, int dpy,
for(uint32_t i = 0; i < list->numHwLayers; i++) {
if(list->hwLayers[i].compositionType == HWC_OVERLAY ||
list->hwLayers[i].compositionType == HWC_BLIT ||
list->hwLayers[i].compositionType == HWC_FRAMEBUFFER_TARGET) {
//Populate releaseFenceFds.
if(UNLIKELY(swapzero)) {