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/*
* Copyright (c) 2017, The Linux Foundation. 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 The Linux Foundation 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/properties.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <utils/constants.h>
#include <utils/debug.h>
#include <utils/formats.h>
#include <algorithm>
#include <array>
#include <sstream>
#include <string>
#include <fstream>
#include "hwc_display_external_test.h"
#include "hwc_debugger.h"
#define __CLASS__ "HWCDisplayExternalTest"
namespace sdm {
using std::array;
int HWCDisplayExternalTest::Create(CoreInterface *core_intf,
HWCBufferAllocator *buffer_allocator,
HWCCallbacks *callbacks,
qService::QService *qservice, uint32_t panel_bpp,
uint32_t pattern_type, HWCDisplay **hwc_display) {
HWCDisplay *hwc_external_test = new HWCDisplayExternalTest(core_intf, buffer_allocator,
callbacks, qservice,
panel_bpp, pattern_type);
int status = static_cast<HWCDisplayExternalTest *>(hwc_external_test)->Init();
if (status) {
delete hwc_external_test;
return status;
}
*hwc_display = hwc_external_test;
DLOGE("EXTERNAL panel_bpp %d, pattern_type %d", panel_bpp, pattern_type);
return status;
}
void HWCDisplayExternalTest::Destroy(HWCDisplay *hwc_display) {
static_cast<HWCDisplayExternalTest *>(hwc_display)->Deinit();
delete hwc_display;
}
HWCDisplayExternalTest::HWCDisplayExternalTest(CoreInterface *core_intf,
HWCBufferAllocator *buffer_allocator,
HWCCallbacks *callbacks,
qService::QService *qservice, uint32_t panel_bpp,
uint32_t pattern_type)
: HWCDisplay(core_intf, callbacks, kHDMI, HWC_DISPLAY_EXTERNAL, false, qservice,
DISPLAY_CLASS_EXTERNAL, buffer_allocator), panel_bpp_(panel_bpp),
pattern_type_(pattern_type) {
}
int HWCDisplayExternalTest::Init() {
uint32_t external_width = 0;
uint32_t external_height = 0;
int status = HWCDisplay::Init();
if (status) {
DLOGE("HWCDisplayExternalTest::Init status = %d ", status);
return status;
}
status = CreateLayerStack();
if (status) {
Deinit();
return status;
}
DisplayError error = HWCDisplay::GetMixerResolution(&external_width, &external_height);
if (error != kErrorNone) {
Deinit();
return -EINVAL;
}
status = HWCDisplay::SetFrameBufferResolution(external_width, external_height);
if (status) {
Deinit();
DLOGE("HWCDisplayExternalTest:: set fb resolution status = %d ", status);
return status;
}
return status;
}
int HWCDisplayExternalTest::Deinit() {
DestroyLayerStack();
return HWCDisplay::Deinit();
}
HWC2::Error HWCDisplayExternalTest::Validate(uint32_t *out_num_types, uint32_t *out_num_requests) {
auto status = HWC2::Error::None;
if (secure_display_active_) {
MarkLayersForGPUBypass();
return status;
}
if (layer_set_.empty()) {
flush_ = true;
return status;
}
if (shutdown_pending_) {
return status;
}
DisplayError error = display_intf_->Prepare(&layer_stack_);
if (error != kErrorNone) {
if (error == kErrorShutDown) {
shutdown_pending_ = true;
} else if (error != kErrorPermission) {
DLOGE("Prepare failed. Error = %d", error);
// To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
// so that previous buffer and fences are released, and override the error.
flush_ = true;
}
}
MarkLayersForGPUBypass();
return status;
}
HWC2::Error HWCDisplayExternalTest::Present(int32_t *out_retire_fence) {
auto status = HWC2::Error::None;
if (secure_display_active_) {
return status;
}
if (shutdown_pending_) {
return status;
}
DumpInputBuffer();
if (!flush_) {
DisplayError error = kErrorUndefined;
error = display_intf_->Commit(&layer_stack_);
if (error == kErrorNone) {
// A commit is successfully submitted, start flushing on failure now onwards.
flush_on_error_ = true;
} else if (error == kErrorShutDown) {
shutdown_pending_ = true;
status = HWC2::Error::Unsupported;
} else if (error == kErrorNotValidated) {
status = HWC2::Error::NotValidated;
} else if (error != kErrorPermission) {
DLOGE("Commit failed. Error = %d", error);
// To prevent surfaceflinger infinite wait, flush the previous frame during Commit()
// so that previous buffer and fences are released, and override the error.
flush_ = true;
}
}
PostCommit(out_retire_fence);
return status;
}
void HWCDisplayExternalTest::SetSecureDisplay(bool secure_display_active) {
if (secure_display_active_ != secure_display_active) {
secure_display_active_ = secure_display_active;
if (secure_display_active_) {
DisplayError error = display_intf_->Flush();
if (error != kErrorNone) {
DLOGE("Flush failed. Error = %d", error);
}
}
}
return;
}
int HWCDisplayExternalTest::Perform(uint32_t operation, ...) {
return 0;
}
void HWCDisplayExternalTest::DumpInputBuffer() {
if (!dump_frame_count_ || flush_ || !dump_input_layers_) {
return;
}
const char *dir_path = "/data/vendor/display/frame_dump_external";
uint32_t width = buffer_info_.alloc_buffer_info.aligned_width;
uint32_t height = buffer_info_.alloc_buffer_info.aligned_height;
string format_str = GetFormatString(buffer_info_.buffer_config.format);
char *buffer = reinterpret_cast<char *>(mmap(NULL, buffer_info_.alloc_buffer_info.size,
PROT_READ|PROT_WRITE, MAP_SHARED,
buffer_info_.alloc_buffer_info.fd, 0));
if (buffer == MAP_FAILED) {
DLOGW("mmap failed. err = %d", errno);
return;
}
if (mkdir(dir_path, 0777) != 0 && errno != EEXIST) {
DLOGW("Failed to create %s directory errno = %d, desc = %s", dir_path, errno, strerror(errno));
return;
}
// if directory exists already, need to explicitly change the permission.
if (errno == EEXIST && chmod(dir_path, 0777) != 0) {
DLOGW("Failed to change permissions on %s directory", dir_path);
return;
}
if (buffer) {
std::stringstream dump_file_name;
dump_file_name << dir_path;
dump_file_name << "/input_layer_" << width << "x" << height << "_" << format_str << ".raw";
std::fstream fs;
fs.open(dump_file_name.str().c_str(), std::fstream::in | std::fstream::out | std::fstream::app);
if (!fs.is_open()) {
DLOGI("File open failed %s", dump_file_name.str().c_str());
return;
}
fs.write(buffer, (std::streamsize)buffer_info_.alloc_buffer_info.size);
fs.close();
DLOGI("Frame Dump %s: is successful", dump_file_name.str().c_str());
}
// Dump only once as the content is going to be same for all draw cycles
if (dump_frame_count_) {
dump_frame_count_ = 0;
}
if (munmap(buffer, buffer_info_.alloc_buffer_info.size) != 0) {
DLOGW("munmap failed. err = %d", errno);
return;
}
}
void HWCDisplayExternalTest::CalcCRC(uint32_t color_val, std::bitset<16> *crc_data) {
std::bitset<16> color = {};
std::bitset<16> temp_crc = {};
switch (panel_bpp_) {
case kDisplayBpp18:
color = (color_val & 0xFC) << 8;
break;
case kDisplayBpp24:
color = color_val << 8;
break;
case kDisplayBpp30:
color = color_val << 6;
break;
default:
return;
}
temp_crc[15] = (*crc_data)[0] ^ (*crc_data)[1] ^ (*crc_data)[2] ^ (*crc_data)[3] ^
(*crc_data)[4] ^ (*crc_data)[5] ^ (*crc_data)[6] ^ (*crc_data)[7] ^
(*crc_data)[8] ^ (*crc_data)[9] ^ (*crc_data)[10] ^ (*crc_data)[11] ^
(*crc_data)[12] ^ (*crc_data)[14] ^ (*crc_data)[15] ^ color[0] ^ color[1] ^
color[2] ^ color[3] ^ color[4] ^ color[5] ^ color[6] ^ color[7] ^ color[8] ^
color[9] ^ color[10] ^ color[11] ^ color[12] ^ color[14] ^ color[15];
temp_crc[14] = (*crc_data)[12] ^ (*crc_data)[13] ^ color[12] ^ color[13];
temp_crc[13] = (*crc_data)[11] ^ (*crc_data)[12] ^ color[11] ^ color[12];
temp_crc[12] = (*crc_data)[10] ^ (*crc_data)[11] ^ color[10] ^ color[11];
temp_crc[11] = (*crc_data)[9] ^ (*crc_data)[10] ^ color[9] ^ color[10];
temp_crc[10] = (*crc_data)[8] ^ (*crc_data)[9] ^ color[8] ^ color[9];
temp_crc[9] = (*crc_data)[7] ^ (*crc_data)[8] ^ color[7] ^ color[8];
temp_crc[8] = (*crc_data)[6] ^ (*crc_data)[7] ^ color[6] ^ color[7];
temp_crc[7] = (*crc_data)[5] ^ (*crc_data)[6] ^ color[5] ^ color[6];
temp_crc[6] = (*crc_data)[4] ^ (*crc_data)[5] ^ color[4] ^ color[5];
temp_crc[5] = (*crc_data)[3] ^ (*crc_data)[4] ^ color[3] ^ color[4];
temp_crc[4] = (*crc_data)[2] ^ (*crc_data)[3] ^ color[2] ^ color[3];
temp_crc[3] = (*crc_data)[1] ^ (*crc_data)[2] ^ (*crc_data)[15] ^ color[1] ^ color[2] ^ color[15];
temp_crc[2] = (*crc_data)[0] ^ (*crc_data)[1] ^ (*crc_data)[14] ^ color[0] ^ color[1] ^ color[14];
temp_crc[1] = (*crc_data)[1] ^ (*crc_data)[2] ^ (*crc_data)[3] ^ (*crc_data)[4] ^ (*crc_data)[5] ^
(*crc_data)[6] ^ (*crc_data)[7] ^ (*crc_data)[8] ^ (*crc_data)[9] ^
(*crc_data)[10] ^ (*crc_data)[11] ^ (*crc_data)[12] ^ (*crc_data)[13] ^
(*crc_data)[14] ^ color[1] ^ color[2] ^ color[3] ^ color[4] ^ color[5] ^ color[6] ^
color[7] ^ color[8] ^ color[9] ^ color[10] ^ color[11] ^ color[12] ^ color[13] ^
color[14];
temp_crc[0] = (*crc_data)[0] ^ (*crc_data)[1] ^ (*crc_data)[2] ^ (*crc_data)[3] ^ (*crc_data)[4] ^
(*crc_data)[5] ^ (*crc_data)[6] ^ (*crc_data)[7] ^ (*crc_data)[8] ^ (*crc_data)[9] ^
(*crc_data)[10] ^ (*crc_data)[11] ^ (*crc_data)[12] ^ (*crc_data)[13] ^
(*crc_data)[15] ^ color[0] ^ color[1] ^ color[2] ^ color[3] ^ color[4] ^ color[5] ^
color[6] ^ color[7] ^ color[8] ^ color[9] ^ color[10] ^ color[11] ^ color[12] ^
color[13] ^ color[15];
(*crc_data) = temp_crc;
}
int HWCDisplayExternalTest::FillBuffer() {
uint8_t *buffer = reinterpret_cast<uint8_t *>(mmap(NULL, buffer_info_.alloc_buffer_info.size,
PROT_READ|PROT_WRITE, MAP_SHARED,
buffer_info_.alloc_buffer_info.fd, 0));
if (buffer == MAP_FAILED) {
DLOGE("mmap failed. err = %d", errno);
return -EFAULT;
}
switch (pattern_type_) {
case kPatternColorRamp:
GenerateColorRamp(buffer);
break;
case kPatternBWVertical:
GenerateBWVertical(buffer);
break;
case kPatternColorSquare:
GenerateColorSquare(buffer);
break;
default:
DLOGW("Invalid Pattern type %d", pattern_type_);
return -EINVAL;
}
if (munmap(buffer, buffer_info_.alloc_buffer_info.size) != 0) {
DLOGE("munmap failed. err = %d", errno);
return -EFAULT;
}
return 0;
}
int HWCDisplayExternalTest::GetStride(LayerBufferFormat format, uint32_t width, uint32_t *stride) {
switch (format) {
case kFormatRGBA8888:
case kFormatRGBA1010102:
*stride = width * 4;
break;
case kFormatRGB888:
*stride = width * 3;
break;
default:
DLOGE("Unsupported format type %d", format);
return -EINVAL;
}
return 0;
}
void HWCDisplayExternalTest::PixelCopy(uint32_t red, uint32_t green, uint32_t blue, uint32_t alpha,
uint8_t **buffer) {
LayerBufferFormat format = buffer_info_.buffer_config.format;
switch (format) {
case kFormatRGBA8888:
*(*buffer)++ = UINT8(red & 0xFF);
*(*buffer)++ = UINT8(green & 0xFF);
*(*buffer)++ = UINT8(blue & 0xFF);
*(*buffer)++ = UINT8(alpha & 0xFF);
break;
case kFormatRGB888:
*(*buffer)++ = UINT8(red & 0xFF);
*(*buffer)++ = UINT8(green & 0xFF);
*(*buffer)++ = UINT8(blue & 0xFF);
break;
case kFormatRGBA1010102:
// Lower 8 bits of red
*(*buffer)++ = UINT8(red & 0xFF);
// Upper 2 bits of Red + Lower 6 bits of green
*(*buffer)++ = UINT8(((green & 0x3F) << 2) | ((red >> 0x8) & 0x3));
// Upper 4 bits of green + Lower 4 bits of blue
*(*buffer)++ = UINT8(((blue & 0xF) << 4) | ((green >> 6) & 0xF));
// Upper 6 bits of blue + Lower 2 bits of alpha
*(*buffer)++ = UINT8(((alpha & 0x3) << 6) | ((blue >> 4) & 0x3F));
break;
default:
DLOGW("format not supported format = %d", format);
break;
}
}
void HWCDisplayExternalTest::GenerateColorRamp(uint8_t *buffer) {
uint32_t width = buffer_info_.buffer_config.width;
uint32_t height = buffer_info_.buffer_config.height;
LayerBufferFormat format = buffer_info_.buffer_config.format;
uint32_t aligned_width = buffer_info_.alloc_buffer_info.aligned_width;
uint32_t buffer_stride = 0;
uint32_t color_ramp = 0;
uint32_t start_color_val = 0;
uint32_t step_size = 1;
uint32_t ramp_width = 0;
uint32_t ramp_height = 0;
uint32_t shift_by = 0;
std::bitset<16> crc_red = {};
std::bitset<16> crc_green = {};
std::bitset<16> crc_blue = {};
switch (panel_bpp_) {
case kDisplayBpp18:
ramp_height = 64;
ramp_width = 64;
shift_by = 2;
break;
case kDisplayBpp24:
ramp_height = 64;
ramp_width = 256;
break;
case kDisplayBpp30:
ramp_height = 32;
ramp_width = 256;
start_color_val = 0x180;
break;
default:
return;
}
GetStride(format, aligned_width, &buffer_stride);
for (uint32_t loop_height = 0; loop_height < height; loop_height++) {
uint32_t color_value = start_color_val;
uint8_t *temp = buffer + (loop_height * buffer_stride);
for (uint32_t loop_width = 0; loop_width < width; loop_width++) {
if (color_ramp == kColorRedRamp) {
PixelCopy(color_value, 0, 0, 0, &temp);
CalcCRC(color_value, &crc_red);
CalcCRC(0, &crc_green);
CalcCRC(0, &crc_blue);
}
if (color_ramp == kColorGreenRamp) {
PixelCopy(0, color_value, 0, 0, &temp);
CalcCRC(0, &crc_red);
CalcCRC(color_value, &crc_green);
CalcCRC(0, &crc_blue);
}
if (color_ramp == kColorBlueRamp) {
PixelCopy(0, 0, color_value, 0, &temp);
CalcCRC(0, &crc_red);
CalcCRC(0, &crc_green);
CalcCRC(color_value, &crc_blue);
}
if (color_ramp == kColorWhiteRamp) {
PixelCopy(color_value, color_value, color_value, 0, &temp);
CalcCRC(color_value, &crc_red);
CalcCRC(color_value, &crc_green);
CalcCRC(color_value, &crc_blue);
}
color_value = (start_color_val + (((loop_width + 1) % ramp_width) * step_size)) << shift_by;
}
if (panel_bpp_ == kDisplayBpp30 && ((loop_height + 1) % ramp_height) == 0) {
if (start_color_val == 0x180) {
start_color_val = 0;
step_size = 4;
} else {
start_color_val = 0x180;
step_size = 1;
color_ramp = (color_ramp + 1) % 4;
}
continue;
}
if (((loop_height + 1) % ramp_height) == 0) {
color_ramp = (color_ramp + 1) % 4;
}
}
DLOGI("CRC red %x", crc_red.to_ulong());
DLOGI("CRC green %x", crc_green.to_ulong());
DLOGI("CRC blue %x", crc_blue.to_ulong());
}
void HWCDisplayExternalTest::GenerateBWVertical(uint8_t *buffer) {
uint32_t width = buffer_info_.buffer_config.width;
uint32_t height = buffer_info_.buffer_config.height;
LayerBufferFormat format = buffer_info_.buffer_config.format;
uint32_t aligned_width = buffer_info_.alloc_buffer_info.aligned_width;
uint32_t buffer_stride = 0;
uint32_t bits_per_component = panel_bpp_ / 3;
uint32_t max_color_val = (1 << bits_per_component) - 1;
std::bitset<16> crc_red = {};
std::bitset<16> crc_green = {};
std::bitset<16> crc_blue = {};
if (panel_bpp_ == kDisplayBpp18) {
max_color_val <<= 2;
}
GetStride(format, aligned_width, &buffer_stride);
for (uint32_t loop_height = 0; loop_height < height; loop_height++) {
uint32_t color = 0;
uint8_t *temp = buffer + (loop_height * buffer_stride);
for (uint32_t loop_width = 0; loop_width < width; loop_width++) {
if (color == kColorBlack) {
PixelCopy(0, 0, 0, 0, &temp);
CalcCRC(0, &crc_red);
CalcCRC(0, &crc_green);
CalcCRC(0, &crc_blue);
}
if (color == kColorWhite) {
PixelCopy(max_color_val, max_color_val, max_color_val, 0, &temp);
CalcCRC(max_color_val, &crc_red);
CalcCRC(max_color_val, &crc_green);
CalcCRC(max_color_val, &crc_blue);
}
color = (color + 1) % 2;
}
}
DLOGI("CRC red %x", crc_red.to_ulong());
DLOGI("CRC green %x", crc_green.to_ulong());
DLOGI("CRC blue %x", crc_blue.to_ulong());
}
void HWCDisplayExternalTest::GenerateColorSquare(uint8_t *buffer) {
uint32_t width = buffer_info_.buffer_config.width;
uint32_t height = buffer_info_.buffer_config.height;
LayerBufferFormat format = buffer_info_.buffer_config.format;
uint32_t aligned_width = buffer_info_.alloc_buffer_info.aligned_width;
uint32_t buffer_stride = 0;
uint32_t max_color_val = 0;
uint32_t min_color_val = 0;
std::bitset<16> crc_red = {};
std::bitset<16> crc_green = {};
std::bitset<16> crc_blue = {};
switch (panel_bpp_) {
case kDisplayBpp18:
max_color_val = 63 << 2; // CEA Dynamic range for 18bpp 0 - 63
min_color_val = 0;
break;
case kDisplayBpp24:
max_color_val = 235; // CEA Dynamic range for 24bpp 16 - 235
min_color_val = 16;
break;
case kDisplayBpp30:
max_color_val = 940; // CEA Dynamic range for 30bpp 64 - 940
min_color_val = 64;
break;
default:
return;
}
array<array<uint32_t, 3>, 8> colors = {{
{{max_color_val, max_color_val, max_color_val}}, // White Color
{{max_color_val, max_color_val, min_color_val}}, // Yellow Color
{{min_color_val, max_color_val, max_color_val}}, // Cyan Color
{{min_color_val, max_color_val, min_color_val}}, // Green Color
{{max_color_val, min_color_val, max_color_val}}, // Megenta Color
{{max_color_val, min_color_val, min_color_val}}, // Red Color
{{min_color_val, min_color_val, max_color_val}}, // Blue Color
{{min_color_val, min_color_val, min_color_val}}, // Black Color
}};
GetStride(format, aligned_width, &buffer_stride);
for (uint32_t loop_height = 0; loop_height < height; loop_height++) {
uint32_t color = 0;
uint8_t *temp = buffer + (loop_height * buffer_stride);
for (uint32_t loop_width = 0; loop_width < width; loop_width++) {
PixelCopy(colors[color][0], colors[color][1], colors[color][2], 0, &temp);
CalcCRC(colors[color][0], &crc_red);
CalcCRC(colors[color][1], &crc_green);
CalcCRC(colors[color][2], &crc_blue);
if (((loop_width + 1) % 64) == 0) {
color = (color + 1) % colors.size();
}
}
if (((loop_height + 1) % 64) == 0) {
std::reverse(colors.begin(), (colors.end() - 1));
}
}
DLOGI("CRC red %x", crc_red.to_ulong());
DLOGI("CRC green %x", crc_green.to_ulong());
DLOGI("CRC blue %x", crc_blue.to_ulong());
}
int HWCDisplayExternalTest::InitLayer(Layer *layer) {
uint32_t active_config = 0;
DisplayConfigVariableInfo var_info = {};
GetActiveDisplayConfig(&active_config);
GetDisplayAttributesForConfig(INT32(active_config), &var_info);
layer->flags.updating = 1;
layer->src_rect = LayerRect(0, 0, var_info.x_pixels, var_info.y_pixels);
layer->dst_rect = layer->src_rect;
layer->frame_rate = var_info.fps;
layer->blending = kBlendingPremultiplied;
layer->input_buffer.unaligned_width = var_info.x_pixels;
layer->input_buffer.unaligned_height = var_info.y_pixels;
buffer_info_.buffer_config.format = kFormatRGBA8888;
if (layer->composition != kCompositionGPUTarget) {
buffer_info_.buffer_config.width = var_info.x_pixels;
buffer_info_.buffer_config.height = var_info.y_pixels;
switch (panel_bpp_) {
case kDisplayBpp18:
case kDisplayBpp24:
buffer_info_.buffer_config.format = kFormatRGB888;
break;
case kDisplayBpp30:
buffer_info_.buffer_config.format = kFormatRGBA1010102;
break;
default:
DLOGW("panel bpp not supported %d", panel_bpp_);
return -EINVAL;
}
buffer_info_.buffer_config.buffer_count = 1;
int ret = buffer_allocator_->AllocateBuffer(&buffer_info_);
if (ret != 0) {
DLOGE("Buffer allocation failed. ret: %d", ret);
return -ENOMEM;
}
ret = FillBuffer();
if (ret != 0) {
buffer_allocator_->FreeBuffer(&buffer_info_);
return ret;
}
layer->input_buffer.width = buffer_info_.alloc_buffer_info.aligned_width;
layer->input_buffer.height = buffer_info_.alloc_buffer_info.aligned_height;
layer->input_buffer.size = buffer_info_.alloc_buffer_info.size;
layer->input_buffer.planes[0].fd = buffer_info_.alloc_buffer_info.fd;
layer->input_buffer.planes[0].stride = buffer_info_.alloc_buffer_info.stride;
layer->input_buffer.format = buffer_info_.buffer_config.format;
DLOGI("Input buffer WxH %dx%d format %s size %d fd %d stride %d", layer->input_buffer.width,
layer->input_buffer.height, GetFormatString(layer->input_buffer.format),
layer->input_buffer.size, layer->input_buffer.planes[0].fd,
layer->input_buffer.planes[0].stride);
}
return 0;
}
int HWCDisplayExternalTest::DeinitLayer(Layer *layer) {
if (layer->composition != kCompositionGPUTarget) {
int ret = buffer_allocator_->FreeBuffer(&buffer_info_);
if (ret != 0) {
DLOGE("Buffer deallocation failed. ret: %d", ret);
return -ENOMEM;
}
}
return 0;
}
int HWCDisplayExternalTest::CreateLayerStack() {
for (uint32_t i = 0; i < (kTestLayerCnt + 1 /* one dummy gpu_target layer */); i++) {
Layer *layer = new Layer();
if (i == kTestLayerCnt) {
layer->composition = kCompositionGPUTarget;
}
DLOGE("External :: CreateLayerStack %d", i);
int ret = InitLayer(layer);
if (ret != 0) {
delete layer;
return ret;
}
layer_stack_.layers.push_back(layer);
}
return 0;
}
int HWCDisplayExternalTest::DestroyLayerStack() {
for (uint32_t i = 0; i < UINT32(layer_stack_.layers.size()); i++) {
Layer *layer = layer_stack_.layers.at(i);
int ret = DeinitLayer(layer);
if (ret != 0) {
return ret;
}
delete layer;
}
layer_stack_.layers = {};
return 0;
}
HWC2::Error HWCDisplayExternalTest::PostCommit(int32_t *out_retire_fence) {
auto status = HWC2::Error::None;
// Do no call flush on errors, if a successful buffer is never submitted.
if (flush_ && flush_on_error_) {
display_intf_->Flush();
}
if (!flush_) {
for (size_t i = 0; i < layer_stack_.layers.size(); i++) {
Layer *layer = layer_stack_.layers.at(i);
LayerBuffer &layer_buffer = layer->input_buffer;
close(layer_buffer.release_fence_fd);
layer_buffer.release_fence_fd = -1;
}
close(layer_stack_.retire_fence_fd);
layer_stack_.retire_fence_fd = -1;
*out_retire_fence = -1;
}
flush_ = false;
return status;
}
} // namespace sdm