composer/hwc_display_virtual_dpu.cpp - LeafOS-Project/android_hardware_qcom_display - Gitiles

 /*
  * Copyright (c) 2019-2021, 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.
  */

 /* Changes from Qualcomm Innovation Center are provided under the following license:
  *
  * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
  * SPDX-License-Identifier: BSD-3-Clause-Clear
  */

 #include <hwc_display_virtual_dpu.h>

 #define __CLASS__ "HWCDisplayVirtualDPU"

 namespace sdm {

 HWCDisplayVirtualDPU::HWCDisplayVirtualDPU(CoreInterface *core_intf, HWCBufferAllocator
                                            *buffer_allocator, HWCCallbacks *callbacks,
                                            hwc2_display_t id, int32_t sdm_id, uint32_t width,
                                            uint32_t height, float min_lum, float max_lum)
   : HWCDisplayVirtual(core_intf, buffer_allocator, callbacks, id, sdm_id, width, height),
     min_lum_(min_lum), max_lum_(max_lum) {
 }

 int HWCDisplayVirtualDPU::Init() {
   int status = HWCDisplay::Init();
   if (status) {
     DLOGE("Init failed: %d", status);
     return status;
   }

   if (max_lum_ != -1.0 || min_lum_ != -1.0) {
     SetPanelLuminanceAttributes(min_lum_, max_lum_);
   }

   status = SetConfig(width_, height_);
   if (status) {
     DLOGE("Failed to set width: %d height: %d", width_, height_);
     return status;
   }

   status = INT32(SetPowerMode(HWC2::PowerMode::On, false /* teardown */));
   if (status) {
     DLOGW("Failed to set power mode on virtual display");
     return status;
   }

   // TODO(user): Validate that we support this width/height
   status = SetFrameBufferResolution(width_, height_);
   if (status) {
     DLOGW("Failed to set FrameBuffer resolution on virtual display");
     return status;
   }

   return HWCDisplayVirtual::Init();
 }

 int HWCDisplayVirtualDPU::SetConfig(uint32_t width, uint32_t height) {
   DisplayConfigVariableInfo variable_info;
   variable_info.x_pixels = width;
   variable_info.y_pixels = height;
   // TODO(user): Need to get the framerate of primary display and update it.
   variable_info.fps = 60;

   DisplayError err = display_intf_->SetActiveConfig(&variable_info);
   if (err != kErrorNone) {
     return -EINVAL;
   }
   return 0;
 }

 HWC2::Error HWCDisplayVirtualDPU::SetOutputBuffer(buffer_handle_t buf,
                                                   shared_ptr<Fence> release_fence) {
   HWC2::Error error = HWCDisplayVirtual::SetOutputBuffer(buf, release_fence);
   if (error != HWC2::Error::None) {
     return error;
   }

   const native_handle_t *output_handle = static_cast<const native_handle_t *>(buf);
   if (output_handle) {
     int output_handle_format;
     buffer_allocator_->GetFormat(const_cast<native_handle_t *>(output_handle),
                                  output_handle_format);
     int active_aligned_w, active_aligned_h;
     int new_width, new_height;
     int new_aligned_w, new_aligned_h;
     uint32_t active_width, active_height;

     GetMixerResolution(&active_width, &active_height);
     buffer_allocator_->GetCustomWidthAndHeight(output_handle, &new_width, &new_height);
     buffer_allocator_->GetAlignedWidthAndHeight(INT(new_width), INT(new_height),
                                                 output_handle_format, 0, &new_aligned_w,
                                                 &new_aligned_h);
     buffer_allocator_->GetAlignedWidthAndHeight(INT(active_width), INT(active_height),
                                                 output_handle_format, 0, &active_aligned_w,
                                                 &active_aligned_h);
     if (new_aligned_w != active_aligned_w  || new_aligned_h != active_aligned_h) {
       int status = SetConfig(UINT32(new_width), UINT32(new_height));
       if (status) {
         DLOGE("SetConfig failed custom WxH %dx%d", new_width, new_height);
         return HWC2::Error::BadParameter;
       }
     }

     output_buffer_->width = UINT32(new_aligned_w);
     output_buffer_->height = UINT32(new_aligned_h);
     output_buffer_->unaligned_width = UINT32(new_width);
     output_buffer_->unaligned_height = UINT32(new_height);
   }

   return HWC2::Error::None;
 }

 HWC2::Error HWCDisplayVirtualDPU::PreValidateDisplay(bool *exit_validate) {
   // Draw method gets set as part of first commit.
   SetDrawMethod();

   if (NeedsGPUBypass()) {
     MarkLayersForGPUBypass();
     *exit_validate = true;
     return HWC2::Error::None;
   }

   BuildLayerStack();

   // Client(SurfaceFlinger) doesn't retain framebuffer post GPU composition.
   // This can result in flickers in cached framebuffer is used.
   for (auto &layer : layer_stack_.layers) {
     layer->flags.updating = true;
   }

   layer_stack_.output_buffer = output_buffer_;
   // If Output buffer of Virtual Display is not secure, set SKIP flag on the secure layers.
   if (!output_buffer_->flags.secure && layer_stack_.flags.secure_present) {
     for (auto hwc_layer : layer_set_) {
       Layer *layer = hwc_layer->GetSDMLayer();
       if (layer->input_buffer.flags.secure) {
         layer_stack_.flags.skip_present = true;
         layer->flags.skip = true;
       }
     }
   }

   *exit_validate = false;

   return HWC2::Error::None;
 }

 HWC2::Error HWCDisplayVirtualDPU::Validate(uint32_t *out_num_types, uint32_t *out_num_requests) {
   bool exit_validate = false;
   auto status = PreValidateDisplay(&exit_validate);
   if (exit_validate) {
     return status;
   }

   return PrepareLayerStack(out_num_types, out_num_requests);
 }

 HWC2::Error HWCDisplayVirtualDPU::Present(shared_ptr<Fence> *out_retire_fence) {
   auto status = HWC2::Error::None;

   if (!output_buffer_->buffer_id) {
     return HWC2::Error::NoResources;
   }

   if (NeedsGPUBypass()) {
     return HWC2::Error::None;
   }

   layer_stack_.output_buffer = output_buffer_;

   status = HWCDisplay::CommitLayerStack();
   if (status != HWC2::Error::None) {
     return status;
   }

   status = PostCommitLayerStack(out_retire_fence);

   return status;
 }

 HWC2::Error HWCDisplayVirtualDPU::PostCommitLayerStack(shared_ptr<Fence> *out_retire_fence) {
   DTRACE_SCOPED();
   // Retire fence points to WB done.
   // Explicitly query for output buffer acquire fence.
   display_intf_->GetOutputBufferAcquireFence(&layer_stack_.retire_fence);

   DumpVDSBuffer();

   auto status = HWCDisplay::PostCommitLayerStack(out_retire_fence);

   return status;
 }

 HWC2::Error HWCDisplayVirtualDPU::CommitOrPrepare(bool validate_only,
                                                   shared_ptr<Fence> *out_retire_fence,
                                                   uint32_t *out_num_types,
                                                   uint32_t *out_num_requests, bool *needs_commit) {
   DTRACE_SCOPED();

   layer_stack_.output_buffer = output_buffer_;
   auto status = HWCDisplay::CommitOrPrepare(validate_only, out_retire_fence, out_num_types,
                                             out_num_requests, needs_commit);
   return status;
 }

 HWC2::Error HWCDisplayVirtualDPU::SetPanelLuminanceAttributes(float min_lum, float max_lum) {
   DisplayError err = display_intf_->SetPanelLuminanceAttributes(min_lum, max_lum);
   if (err != kErrorNone) {
     return HWC2::Error::BadParameter;
   }
   return HWC2::Error::None;
 }

 }  // namespace sdm
	/*
	* Copyright (c) 2019-2021, 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.
	*/

	/* Changes from Qualcomm Innovation Center are provided under the following license:
	*
	* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
	* SPDX-License-Identifier: BSD-3-Clause-Clear
	*/

	#include <hwc_display_virtual_dpu.h>

	#define __CLASS__ "HWCDisplayVirtualDPU"

	namespace sdm {

	HWCDisplayVirtualDPU::HWCDisplayVirtualDPU(CoreInterface *core_intf, HWCBufferAllocator
	buffer_allocator, HWCCallbacks callbacks,
	hwc2_display_t id, int32_t sdm_id, uint32_t width,
	uint32_t height, float min_lum, float max_lum)
	: HWCDisplayVirtual(core_intf, buffer_allocator, callbacks, id, sdm_id, width, height),
	min_lum_(min_lum), max_lum_(max_lum) {
	}

	int HWCDisplayVirtualDPU::Init() {
	int status = HWCDisplay::Init();
	if (status) {
	DLOGE("Init failed: %d", status);
	return status;
	}

	if (max_lum_ != -1.0 \|\| min_lum_ != -1.0) {
	SetPanelLuminanceAttributes(min_lum_, max_lum_);
	}

	status = SetConfig(width_, height_);
	if (status) {
	DLOGE("Failed to set width: %d height: %d", width_, height_);
	return status;
	}

	status = INT32(SetPowerMode(HWC2::PowerMode::On, false /* teardown */));
	if (status) {
	DLOGW("Failed to set power mode on virtual display");
	return status;
	}

	// TODO(user): Validate that we support this width/height
	status = SetFrameBufferResolution(width_, height_);
	if (status) {
	DLOGW("Failed to set FrameBuffer resolution on virtual display");
	return status;
	}

	return HWCDisplayVirtual::Init();
	}

	int HWCDisplayVirtualDPU::SetConfig(uint32_t width, uint32_t height) {
	DisplayConfigVariableInfo variable_info;
	variable_info.x_pixels = width;
	variable_info.y_pixels = height;
	// TODO(user): Need to get the framerate of primary display and update it.
	variable_info.fps = 60;

	DisplayError err = display_intf_->SetActiveConfig(&variable_info);
	if (err != kErrorNone) {
	return -EINVAL;
	}
	return 0;
	}

	HWC2::Error HWCDisplayVirtualDPU::SetOutputBuffer(buffer_handle_t buf,
	shared_ptr<Fence> release_fence) {
	HWC2::Error error = HWCDisplayVirtual::SetOutputBuffer(buf, release_fence);
	if (error != HWC2::Error::None) {
	return error;
	}

	const native_handle_t output_handle = static_cast<const native_handle_t >(buf);
	if (output_handle) {
	int output_handle_format;
	buffer_allocator_->GetFormat(const_cast<native_handle_t *>(output_handle),
	output_handle_format);
	int active_aligned_w, active_aligned_h;
	int new_width, new_height;
	int new_aligned_w, new_aligned_h;
	uint32_t active_width, active_height;

	GetMixerResolution(&active_width, &active_height);
	buffer_allocator_->GetCustomWidthAndHeight(output_handle, &new_width, &new_height);
	buffer_allocator_->GetAlignedWidthAndHeight(INT(new_width), INT(new_height),
	output_handle_format, 0, &new_aligned_w,
	&new_aligned_h);
	buffer_allocator_->GetAlignedWidthAndHeight(INT(active_width), INT(active_height),
	output_handle_format, 0, &active_aligned_w,
	&active_aligned_h);
	if (new_aligned_w != active_aligned_w \|\| new_aligned_h != active_aligned_h) {
	int status = SetConfig(UINT32(new_width), UINT32(new_height));
	if (status) {
	DLOGE("SetConfig failed custom WxH %dx%d", new_width, new_height);
	return HWC2::Error::BadParameter;
	}
	}

	output_buffer_->width = UINT32(new_aligned_w);
	output_buffer_->height = UINT32(new_aligned_h);
	output_buffer_->unaligned_width = UINT32(new_width);
	output_buffer_->unaligned_height = UINT32(new_height);
	}

	return HWC2::Error::None;
	}

	HWC2::Error HWCDisplayVirtualDPU::PreValidateDisplay(bool *exit_validate) {
	// Draw method gets set as part of first commit.
	SetDrawMethod();

	if (NeedsGPUBypass()) {
	MarkLayersForGPUBypass();
	*exit_validate = true;
	return HWC2::Error::None;
	}

	BuildLayerStack();

	// Client(SurfaceFlinger) doesn't retain framebuffer post GPU composition.
	// This can result in flickers in cached framebuffer is used.
	for (auto &layer : layer_stack_.layers) {
	layer->flags.updating = true;
	}

	layer_stack_.output_buffer = output_buffer_;
	// If Output buffer of Virtual Display is not secure, set SKIP flag on the secure layers.
	if (!output_buffer_->flags.secure && layer_stack_.flags.secure_present) {
	for (auto hwc_layer : layer_set_) {
	Layer *layer = hwc_layer->GetSDMLayer();
	if (layer->input_buffer.flags.secure) {
	layer_stack_.flags.skip_present = true;
	layer->flags.skip = true;
	}
	}
	}

	*exit_validate = false;

	return HWC2::Error::None;
	}

	HWC2::Error HWCDisplayVirtualDPU::Validate(uint32_t out_num_types, uint32_t out_num_requests) {
	bool exit_validate = false;
	auto status = PreValidateDisplay(&exit_validate);
	if (exit_validate) {
	return status;
	}

	return PrepareLayerStack(out_num_types, out_num_requests);
	}

	HWC2::Error HWCDisplayVirtualDPU::Present(shared_ptr<Fence> *out_retire_fence) {
	auto status = HWC2::Error::None;

	if (!output_buffer_->buffer_id) {
	return HWC2::Error::NoResources;
	}

	if (NeedsGPUBypass()) {
	return HWC2::Error::None;
	}

	layer_stack_.output_buffer = output_buffer_;

	status = HWCDisplay::CommitLayerStack();
	if (status != HWC2::Error::None) {
	return status;
	}

	status = PostCommitLayerStack(out_retire_fence);

	return status;
	}

	HWC2::Error HWCDisplayVirtualDPU::PostCommitLayerStack(shared_ptr<Fence> *out_retire_fence) {
	DTRACE_SCOPED();
	// Retire fence points to WB done.
	// Explicitly query for output buffer acquire fence.
	display_intf_->GetOutputBufferAcquireFence(&layer_stack_.retire_fence);

	DumpVDSBuffer();

	auto status = HWCDisplay::PostCommitLayerStack(out_retire_fence);

	return status;
	}

	HWC2::Error HWCDisplayVirtualDPU::CommitOrPrepare(bool validate_only,
	shared_ptr<Fence> *out_retire_fence,
	uint32_t *out_num_types,
	uint32_t out_num_requests, bool needs_commit) {
	DTRACE_SCOPED();

	layer_stack_.output_buffer = output_buffer_;
	auto status = HWCDisplay::CommitOrPrepare(validate_only, out_retire_fence, out_num_types,
	out_num_requests, needs_commit);
	return status;
	}

	HWC2::Error HWCDisplayVirtualDPU::SetPanelLuminanceAttributes(float min_lum, float max_lum) {
	DisplayError err = display_intf_->SetPanelLuminanceAttributes(min_lum, max_lum);
	if (err != kErrorNone) {
	return HWC2::Error::BadParameter;
	}
	return HWC2::Error::None;
	}

	} // namespace sdm