android_hardware_qcom_display/libqcomui/qcom_ui.cpp
Neti Ravi Kumar c616c48fc5 libqcomui: Do not create EGL image for 420 SP formats in 7x27A
This change is done to reduce the CPU utilization by SurfaceFlinger
thread. This feature may be turned On/Off using a compile time flag

(cherry picked from commit 9691e73556e5c0b66553aa55eb504b9ebb0fd400)

Change-Id: I1cb5b5c8abef135bc520c6e39c6ccf236b2270c3

Conflicts:

	libqcomui/Android.mk
2012-03-16 20:41:12 -05:00

480 lines
14 KiB
C++

/*
* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <cutils/log.h>
#include <cutils/memory.h>
#include <qcom_ui.h>
#include <gralloc_priv.h>
#include <alloc_controller.h>
#include <memalloc.h>
#include <errno.h>
#include <cutils/properties.h>
#include <EGL/eglext.h>
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
using gralloc::IMemAlloc;
using gralloc::IonController;
using gralloc::alloc_data;
using android::sp;
static int sCompositionType = -1;
namespace {
static android::sp<gralloc::IAllocController> sAlloc = 0;
int reallocate_memory(native_handle_t *buffer_handle, int mReqSize, int usage)
{
int ret = 0;
if (sAlloc == 0) {
sAlloc = gralloc::IAllocController::getInstance(true);
}
if (sAlloc == 0) {
LOGE("sAlloc is still NULL");
return -EINVAL;
}
// Dealloc the old memory
private_handle_t *hnd = (private_handle_t *)buffer_handle;
sp<IMemAlloc> memalloc = sAlloc->getAllocator(hnd->flags);
ret = memalloc->free_buffer((void*)hnd->base, hnd->size, hnd->offset, hnd->fd);
if (ret) {
LOGE("%s: free_buffer failed", __FUNCTION__);
return -1;
}
// Realloc new memory
alloc_data data;
data.base = 0;
data.fd = -1;
data.offset = 0;
data.size = mReqSize;
data.align = getpagesize();
data.uncached = true;
int allocFlags = usage;
switch (hnd->format) {
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
case (HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED^HAL_PIXEL_FORMAT_INTERLACE): {
data.align = 8192;
} break;
default: break;
}
ret = sAlloc->allocate(data, allocFlags, 0);
if (ret == 0) {
hnd->fd = data.fd;
hnd->base = (int)data.base;
hnd->offset = data.offset;
hnd->size = data.size;
} else {
LOGE("%s: allocate failed", __FUNCTION__);
return -EINVAL;
}
return ret;
}
}; // ANONYNMOUS NAMESPACE
/*
* Gets the number of arguments required for this operation.
*
* @param: operation whose argument count is required.
*
* @return -EINVAL if the operation is invalid.
*/
int getNumberOfArgsForOperation(int operation) {
int num_args = -EINVAL;
switch(operation) {
case NATIVE_WINDOW_SET_BUFFERS_SIZE:
num_args = 1;
break;
case NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY:
num_args = 3;
break;
default: LOGE("%s: invalid operation(0x%x)", __FUNCTION__, operation);
break;
};
return num_args;
}
/*
* Checks if the format is supported by the GPU.
*
* @param: format to check
*
* @return true if the format is supported by the GPU.
*/
bool isGPUSupportedFormat(int format) {
// For 7x27A bypass creating EGL image for 420 SP
// This is done to save CPU utilization by SurfaceFlinger thread
#ifdef BYPASS_EGLIMAGE
if (format == HAL_PIXEL_FORMAT_YCrCb_420_SP){
return false;
}
#endif
if (format == HAL_PIXEL_FORMAT_YV12) {
// We check the YV12 formats, since some Qcom specific formats
// could have the bits set.
return true;
} else if (format & INTERLACE_MASK) {
// Interlaced content
return false;
} else if (format & S3D_FORMAT_MASK) {
// S3D Formats are not supported by the GPU
return false;
}
return true;
}
/* decide the texture target dynamically, based on the pixel format*/
int decideTextureTarget(int pixel_format)
{
// Default the return value to GL_TEXTURE_EXTERAL_OES
int retVal = GL_TEXTURE_EXTERNAL_OES;
// Change texture target to TEXTURE_2D for RGB formats
switch (pixel_format) {
case HAL_PIXEL_FORMAT_RGBA_8888:
case HAL_PIXEL_FORMAT_RGBX_8888:
case HAL_PIXEL_FORMAT_RGB_888:
case HAL_PIXEL_FORMAT_RGB_565:
case HAL_PIXEL_FORMAT_BGRA_8888:
case HAL_PIXEL_FORMAT_RGBA_5551:
case HAL_PIXEL_FORMAT_RGBA_4444:
retVal = GL_TEXTURE_2D;
break;
default:
retVal = GL_TEXTURE_EXTERNAL_OES;
break;
}
return retVal;
}
/*
* Checks if the format is natively supported by the GPU.
* For now, we use this function to check only if CHECK_FOR_EXTERNAL_FORMAT
* is set.
*
* @param: format to check
*
* @return true if the format is supported by the GPU.
*/
bool isGPUSupportedFormatInHW(int format) {
// For 7x27A bypass creating EGL image for formats not natively supported
// in GPU.
// This is done to save CPU utilization by SurfaceFlinger thread
#ifdef CHECK_FOR_EXTERNAL_FORMAT
if (format == HAL_PIXEL_FORMAT_YV12){
return false;
} else if (format == HAL_PIXEL_FORMAT_YCrCb_420_SP) {
return false;
} else if (format == HAL_PIXEL_FORMAT_YCbCr_420_SP) {
return false;
} else if (format == HAL_PIXEL_FORMAT_NV12_ENCODEABLE) {
return false;
}
#endif
return true;
}
/*
* Function to check if the allocated buffer is of the correct size.
* Reallocate the buffer with the correct size, if the size doesn't
* match
*
* @param: handle of the allocated buffer
* @param: requested size for the buffer
* @param: usage flags
*
* return 0 on success
*/
int checkBuffer(native_handle_t *buffer_handle, int size, int usage)
{
// If the client hasn't set a size, return
if (0 >= size) {
return 0;
}
// Validate the handle
if (private_handle_t::validate(buffer_handle)) {
LOGE("%s: handle is invalid", __FUNCTION__);
return -EINVAL;
}
// Obtain the private_handle from the native handle
private_handle_t *hnd = reinterpret_cast<private_handle_t*>(buffer_handle);
if (hnd->size != size) {
return reallocate_memory(hnd, size, usage);
}
return 0;
}
/*
* Checks if memory needs to be reallocated for this buffer.
*
* @param: Geometry of the current buffer.
* @param: Required Geometry.
* @param: Geometry of the updated buffer.
*
* @return True if a memory reallocation is required.
*/
bool needNewBuffer(const qBufGeometry currentGeometry,
const qBufGeometry requiredGeometry,
const qBufGeometry updatedGeometry)
{
// If the current buffer info matches the updated info,
// we do not require any memory allocation.
if (updatedGeometry.width && updatedGeometry.height &&
updatedGeometry.format) {
return false;
}
if (currentGeometry.width != requiredGeometry.width ||
currentGeometry.height != requiredGeometry.height ||
currentGeometry.format != requiredGeometry.format) {
// Current and required geometry do not match. Allocation
// required.
return true;
}
return false;
}
/*
* Update the geometry of this buffer without reallocation.
*
* @param: buffer whose geometry needs to be updated.
* @param: Updated width
* @param: Updated height
* @param: Updated format
*/
int updateBufferGeometry(sp<GraphicBuffer> buffer, const qBufGeometry updatedGeometry)
{
if (buffer == 0) {
LOGE("%s: graphic buffer is NULL", __FUNCTION__);
return -EINVAL;
}
if (!updatedGeometry.width || !updatedGeometry.height ||
!updatedGeometry.format) {
// No update required. Return.
return 0;
}
if (buffer->width == updatedGeometry.width &&
buffer->height == updatedGeometry.height &&
buffer->format == updatedGeometry.format) {
// The buffer has already been updated. Return.
return 0;
}
// Validate the handle
if (private_handle_t::validate(buffer->handle)) {
LOGE("%s: handle is invalid", __FUNCTION__);
return -EINVAL;
}
buffer->width = updatedGeometry.width;
buffer->height = updatedGeometry.height;
buffer->format = updatedGeometry.format;
private_handle_t *hnd = (private_handle_t*)(buffer->handle);
if (hnd) {
hnd->width = updatedGeometry.width;
hnd->height = updatedGeometry.height;
hnd->format = updatedGeometry.format;
} else {
LOGE("%s: hnd is NULL", __FUNCTION__);
return -EINVAL;
}
return 0;
}
/*
* Updates the flags for the layer
*
* @param: Attribute
* @param: Identifies if the attribute was enabled or disabled.
*
* @return: -EINVAL if the attribute is invalid
*/
int updateLayerQcomFlags(eLayerAttrib attribute, bool enable, int& currentFlags)
{
int ret = 0;
switch (attribute) {
case LAYER_UPDATE_STATUS: {
if (enable)
currentFlags |= LAYER_UPDATING;
else
currentFlags &= ~LAYER_UPDATING;
} break;
default: LOGE("%s: invalid attribute(0x%x)", __FUNCTION__, attribute);
break;
}
return ret;
}
/*
* Gets the per frame HWC flags for this layer.
*
* @param: current hwcl flags
* @param: current layerFlags
*
* @return: the per frame flags.
*/
int getPerFrameFlags(int hwclFlags, int layerFlags) {
int flags = hwclFlags;
if (layerFlags & LAYER_UPDATING)
flags &= ~HWC_LAYER_NOT_UPDATING;
else
flags |= HWC_LAYER_NOT_UPDATING;
return flags;
}
/*
* Checks if FB is updated by this composition type
*
* @param: composition type
* @return: true if FB is updated, false if not
*/
bool isUpdatingFB(HWCCompositionType compositionType)
{
switch(compositionType)
{
case HWC_USE_COPYBIT:
return true;
default:
LOGE("%s: invalid composition type(%d)", __FUNCTION__, compositionType);
return false;
};
}
/*
* Get the current composition Type
*
* @return the compositon Type
*/
int getCompositionType() {
char property[PROPERTY_VALUE_MAX];
int compositionType = 0;
if (property_get("debug.sf.hw", property, NULL) > 0) {
if(atoi(property) == 0) {
compositionType = COMPOSITION_TYPE_CPU;
} else { //debug.sf.hw = 1
property_get("debug.composition.type", property, NULL);
if (property == NULL) {
compositionType = COMPOSITION_TYPE_GPU;
} else if ((strncmp(property, "mdp", 3)) == 0) {
compositionType = COMPOSITION_TYPE_MDP;
} else if ((strncmp(property, "c2d", 3)) == 0) {
compositionType = COMPOSITION_TYPE_C2D;
} else if ((strncmp(property, "dyn", 3)) == 0) {
compositionType = COMPOSITION_TYPE_DYN;
} else {
compositionType = COMPOSITION_TYPE_GPU;
}
}
} else { //debug.sf.hw is not set. Use cpu composition
compositionType = COMPOSITION_TYPE_CPU;
}
return compositionType;
}
/*
* Clear Region implementation for C2D/MDP versions.
*
* @param: region to be cleared
* @param: EGL Display
* @param: EGL Surface
*
* @return 0 on success
*/
int qcomuiClearRegion(Region region, EGLDisplay dpy, EGLSurface sur)
{
int ret = 0;
if (-1 == sCompositionType) {
sCompositionType = getCompositionType();
}
if ((COMPOSITION_TYPE_MDP != sCompositionType) &&
(COMPOSITION_TYPE_C2D != sCompositionType) &&
(COMPOSITION_TYPE_CPU != sCompositionType)) {
// For non CPU/C2D/MDP composition, return an error, so that SF can use
// the GPU to draw the wormhole.
return -1;
}
android_native_buffer_t *renderBuffer = (android_native_buffer_t *)
eglGetRenderBufferANDROID(dpy, sur);
if (!renderBuffer) {
LOGE("%s: eglGetRenderBufferANDROID returned NULL buffer",
__FUNCTION__);
return -1;
}
private_handle_t *fbHandle = (private_handle_t *)renderBuffer->handle;
if(!fbHandle) {
LOGE("%s: Framebuffer handle is NULL", __FUNCTION__);
return -1;
}
int bytesPerPixel = 4;
if (HAL_PIXEL_FORMAT_RGB_565 == fbHandle->format) {
bytesPerPixel = 2;
}
Region::const_iterator it = region.begin();
Region::const_iterator const end = region.end();
const int32_t stride = renderBuffer->stride*bytesPerPixel;
while (it != end) {
const Rect& r = *it++;
uint8_t* dst = (uint8_t*) fbHandle->base +
(r.left + r.top*renderBuffer->stride)*bytesPerPixel;
int w = r.width()*bytesPerPixel;
int h = r.height();
do {
if(4 == bytesPerPixel)
android_memset32((uint32_t*)dst, 0, w);
else
android_memset16((uint16_t*)dst, 0, w);
dst += stride;
} while(--h);
}
return 0;
}