composer/hwc_display_virtual_gpu.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.
  */

 #include "hwc_display_virtual_gpu.h"
 #include "hwc_session.h"
 #include "QtiGralloc.h"

 #define __CLASS__ "HWCDisplayVirtualGPU"

 namespace sdm {

 int HWCDisplayVirtualGPU::Init() {
   // Create client target.
   client_target_ = new HWCLayer(id_, buffer_allocator_);

   // Calls into SDM need to be dropped. Create Null Display interface.
   display_intf_ = new DisplayNull();

   disable_animation_ = Debug::IsExtAnimDisabled();

   return HWCDisplayVirtual::Init();
 }

 int HWCDisplayVirtualGPU::Deinit() {
   // Destory color convert instance. This destroys thread and underlying GL resources.
   if (gl_color_convert_) {
     color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeDestroyInstance, nullptr);
   }

   delete static_cast<DisplayNull *>(display_intf_);
   delete client_target_;

   for (auto hwc_layer : layer_set_) {
     delete hwc_layer;
   }

   return 0;
 }

 HWCDisplayVirtualGPU::HWCDisplayVirtualGPU(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),
   color_convert_task_(*this) {
 }

 HWC2::Error HWCDisplayVirtualGPU::Validate(uint32_t *out_num_types, uint32_t *out_num_requests) {
   DTRACE_SCOPED();

   // Reset previous changes.
   layer_changes_.clear();
   layer_requests_.clear();

   // Mark all layers to GPU if there is no need to bypass.
   bool fbt_compatible = true;
   bool needs_gpu_bypass = NeedsGPUBypass() || FreezeScreen();
   for (auto hwc_layer : layer_set_) {
     auto layer = hwc_layer->GetSDMLayer();
     layer->composition = needs_gpu_bypass ? kCompositionSDE : kCompositionGPU;

     if (needs_gpu_bypass) {
       if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::Client) {
        layer_changes_[hwc_layer->GetId()] = HWC2::Composition::Device;
        layer_requests_[hwc_layer->GetId()] = HWC2::LayerRequest::ClearClientTarget;
       }
     } else {
       if (hwc_layer->GetClientRequestedCompositionType() != HWC2::Composition::Client) {
        layer_changes_[hwc_layer->GetId()] = HWC2::Composition::Client;
       }
     }
   }

   // Derive client target dataspace based on the color mode - bug/115482728
   int32_t client_target_dataspace = GetDataspaceFromColorMode(GetCurrentColorMode());
   SetClientTargetDataSpace(client_target_dataspace);

   *out_num_types = UINT32(layer_changes_.size());
   *out_num_requests = UINT32(layer_requests_.size());;
   has_client_composition_ = !needs_gpu_bypass;

   // FBT is compatible if all layers are compatible or gpu is bypassed.
   fbt_compatible_ = has_client_composition_ && fbt_compatible;

   return ((*out_num_types > 0) ? HWC2::Error::HasChanges : HWC2::Error::None);
 }

 HWC2::Error HWCDisplayVirtualGPU::CommitOrPrepare(bool validate_only,
                                                   shared_ptr<Fence> *out_retire_fence,
                                                   uint32_t *out_num_types,
                                                   uint32_t *out_num_requests, bool *needs_commit) {
   // Perform validate and commit.
   auto status = Validate(out_num_types, out_num_requests);
   if (!fbt_compatible_) {
     *needs_commit = true;
     return status;
   }

   return Present(out_retire_fence);
 }

 HWC2::Error HWCDisplayVirtualGPU::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;
   }

   native_handle_t *hnd = const_cast<native_handle_t *>(buf);
   buffer_allocator_->GetWidth(hnd, output_buffer_.width);
   buffer_allocator_->GetHeight(hnd, output_buffer_.height);
   buffer_allocator_->GetUnalignedWidth(hnd, output_buffer_.unaligned_width);
   buffer_allocator_->GetUnalignedHeight(hnd, output_buffer_.unaligned_height);

   // Update active dimensions.
   if (qtigralloc::getMetadataState(hnd, android::gralloc4::MetadataType_Crop.value)) {
     int32_t slice_width = 0, slice_height = 0;
     if (!buffer_allocator_->GetBufferGeometry(hnd, slice_width, slice_height)) {
       output_buffer_.unaligned_width = slice_width;
       output_buffer_.unaligned_height = slice_height;
       color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeReset, nullptr);
     }
   }

   return HWC2::Error::None;
 }

 HWC2::Error HWCDisplayVirtualGPU::Present(shared_ptr<Fence> *out_retire_fence) {
   DTRACE_SCOPED();

   auto status = HWC2::Error::None;

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

   if (NeedsGPUBypass()) {
     return status;
   }

   layer_stack_.output_buffer = &output_buffer_;

   // Ensure that blit is initialized.
   // GPU context gets in secure or non-secure mode depending on output buffer provided.
   if (!gl_color_convert_) {
     // Get instance.
     color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeGetInstance, nullptr);
     if (gl_color_convert_ == nullptr) {
       DLOGE("Failed to get Color Convert Instance");
       return HWC2::Error::NoResources;
     } else {
       DLOGI("Created ColorConvert instance: %p", gl_color_convert_);
     }
   }

   ColorConvertBlitContext ctx = {};

   Layer *sdm_layer = client_target_->GetSDMLayer();
   LayerBuffer &input_buffer = sdm_layer->input_buffer;
   ctx.src_hnd = reinterpret_cast<const native_handle_t *>(input_buffer.buffer_id);
   ctx.dst_hnd = reinterpret_cast<const native_handle_t *>(output_handle_);
   ctx.dst_rect = {0, 0, FLOAT(output_buffer_.unaligned_width),
                   FLOAT(output_buffer_.unaligned_height)};
   ctx.src_acquire_fence = input_buffer.acquire_fence;
   ctx.dst_acquire_fence = output_buffer_.acquire_fence;

   color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeBlit, &ctx);

   // todo blit
   DumpVDSBuffer();

   *out_retire_fence = ctx.release_fence;

   return status;
 }

 void HWCDisplayVirtualGPU::OnTask(const ColorConvertTaskCode &task_code,
                                   SyncTask<ColorConvertTaskCode>::TaskContext *task_context) {
   switch (task_code) {
     case ColorConvertTaskCode::kCodeGetInstance: {
         gl_color_convert_ = GLColorConvert::GetInstance(kTargetYUV, output_buffer_.flags.secure);
       }
       break;
     case ColorConvertTaskCode::kCodeBlit: {
         DTRACE_SCOPED();
         ColorConvertBlitContext* ctx = reinterpret_cast<ColorConvertBlitContext*>(task_context);
         gl_color_convert_->Blit(ctx->src_hnd, ctx->dst_hnd, ctx->src_rect, ctx->dst_rect,
                                 ctx->src_acquire_fence, ctx->dst_acquire_fence,
                                 &(ctx->release_fence));
       }
       break;
     case ColorConvertTaskCode::kCodeReset: {
         DTRACE_SCOPED();
         if (gl_color_convert_) {
           gl_color_convert_->Reset();
         }
       }
       break;
     case ColorConvertTaskCode::kCodeDestroyInstance: {
         if (gl_color_convert_) {
           GLColorConvert::Destroy(gl_color_convert_);
         }
       }
       break;
   }
 }

 bool HWCDisplayVirtualGPU::FreezeScreen() {
   if (!disable_animation_) {
     return false;
   }

   bool freeze_screen = false;
   if (animating_ && !animation_in_progress_) {
     // Start of animation. GPU comp is needed.
     animation_in_progress_ = true;
   } else if (!animating_ && animation_in_progress_) {
     // End of animation. Start composing.
     animation_in_progress_ = false;
   } else if (animating_ && animation_in_progress_) {
     // Animation in progress...
     freeze_screen = true;
   }

   return freeze_screen;
 }

 }  // 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.
	*/

	#include "hwc_display_virtual_gpu.h"
	#include "hwc_session.h"
	#include "QtiGralloc.h"

	#define __CLASS__ "HWCDisplayVirtualGPU"

	namespace sdm {

	int HWCDisplayVirtualGPU::Init() {
	// Create client target.
	client_target_ = new HWCLayer(id_, buffer_allocator_);

	// Calls into SDM need to be dropped. Create Null Display interface.
	display_intf_ = new DisplayNull();

	disable_animation_ = Debug::IsExtAnimDisabled();

	return HWCDisplayVirtual::Init();
	}

	int HWCDisplayVirtualGPU::Deinit() {
	// Destory color convert instance. This destroys thread and underlying GL resources.
	if (gl_color_convert_) {
	color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeDestroyInstance, nullptr);
	}

	delete static_cast<DisplayNull *>(display_intf_);
	delete client_target_;

	for (auto hwc_layer : layer_set_) {
	delete hwc_layer;
	}

	return 0;
	}

	HWCDisplayVirtualGPU::HWCDisplayVirtualGPU(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),
	color_convert_task_(*this) {
	}

	HWC2::Error HWCDisplayVirtualGPU::Validate(uint32_t out_num_types, uint32_t out_num_requests) {
	DTRACE_SCOPED();

	// Reset previous changes.
	layer_changes_.clear();
	layer_requests_.clear();

	// Mark all layers to GPU if there is no need to bypass.
	bool fbt_compatible = true;
	bool needs_gpu_bypass = NeedsGPUBypass() \|\| FreezeScreen();
	for (auto hwc_layer : layer_set_) {
	auto layer = hwc_layer->GetSDMLayer();
	layer->composition = needs_gpu_bypass ? kCompositionSDE : kCompositionGPU;

	if (needs_gpu_bypass) {
	if (hwc_layer->GetClientRequestedCompositionType() == HWC2::Composition::Client) {
	layer_changes_[hwc_layer->GetId()] = HWC2::Composition::Device;
	layer_requests_[hwc_layer->GetId()] = HWC2::LayerRequest::ClearClientTarget;
	}
	} else {
	if (hwc_layer->GetClientRequestedCompositionType() != HWC2::Composition::Client) {
	layer_changes_[hwc_layer->GetId()] = HWC2::Composition::Client;
	}
	}
	}

	// Derive client target dataspace based on the color mode - bug/115482728
	int32_t client_target_dataspace = GetDataspaceFromColorMode(GetCurrentColorMode());
	SetClientTargetDataSpace(client_target_dataspace);

	*out_num_types = UINT32(layer_changes_.size());
	*out_num_requests = UINT32(layer_requests_.size());;
	has_client_composition_ = !needs_gpu_bypass;

	// FBT is compatible if all layers are compatible or gpu is bypassed.
	fbt_compatible_ = has_client_composition_ && fbt_compatible;

	return ((*out_num_types > 0) ? HWC2::Error::HasChanges : HWC2::Error::None);
	}

	HWC2::Error HWCDisplayVirtualGPU::CommitOrPrepare(bool validate_only,
	shared_ptr<Fence> *out_retire_fence,
	uint32_t *out_num_types,
	uint32_t out_num_requests, bool needs_commit) {
	// Perform validate and commit.
	auto status = Validate(out_num_types, out_num_requests);
	if (!fbt_compatible_) {
	*needs_commit = true;
	return status;
	}

	return Present(out_retire_fence);
	}

	HWC2::Error HWCDisplayVirtualGPU::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;
	}

	native_handle_t hnd = const_cast<native_handle_t >(buf);
	buffer_allocator_->GetWidth(hnd, output_buffer_.width);
	buffer_allocator_->GetHeight(hnd, output_buffer_.height);
	buffer_allocator_->GetUnalignedWidth(hnd, output_buffer_.unaligned_width);
	buffer_allocator_->GetUnalignedHeight(hnd, output_buffer_.unaligned_height);

	// Update active dimensions.
	if (qtigralloc::getMetadataState(hnd, android::gralloc4::MetadataType_Crop.value)) {
	int32_t slice_width = 0, slice_height = 0;
	if (!buffer_allocator_->GetBufferGeometry(hnd, slice_width, slice_height)) {
	output_buffer_.unaligned_width = slice_width;
	output_buffer_.unaligned_height = slice_height;
	color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeReset, nullptr);
	}
	}

	return HWC2::Error::None;
	}

	HWC2::Error HWCDisplayVirtualGPU::Present(shared_ptr<Fence> *out_retire_fence) {
	DTRACE_SCOPED();

	auto status = HWC2::Error::None;

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

	if (NeedsGPUBypass()) {
	return status;
	}

	layer_stack_.output_buffer = &output_buffer_;

	// Ensure that blit is initialized.
	// GPU context gets in secure or non-secure mode depending on output buffer provided.
	if (!gl_color_convert_) {
	// Get instance.
	color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeGetInstance, nullptr);
	if (gl_color_convert_ == nullptr) {
	DLOGE("Failed to get Color Convert Instance");
	return HWC2::Error::NoResources;
	} else {
	DLOGI("Created ColorConvert instance: %p", gl_color_convert_);
	}
	}

	ColorConvertBlitContext ctx = {};

	Layer *sdm_layer = client_target_->GetSDMLayer();
	LayerBuffer &input_buffer = sdm_layer->input_buffer;
	ctx.src_hnd = reinterpret_cast<const native_handle_t *>(input_buffer.buffer_id);
	ctx.dst_hnd = reinterpret_cast<const native_handle_t *>(output_handle_);
	ctx.dst_rect = {0, 0, FLOAT(output_buffer_.unaligned_width),
	FLOAT(output_buffer_.unaligned_height)};
	ctx.src_acquire_fence = input_buffer.acquire_fence;
	ctx.dst_acquire_fence = output_buffer_.acquire_fence;

	color_convert_task_.PerformTask(ColorConvertTaskCode::kCodeBlit, &ctx);

	// todo blit
	DumpVDSBuffer();

	*out_retire_fence = ctx.release_fence;

	return status;
	}

	void HWCDisplayVirtualGPU::OnTask(const ColorConvertTaskCode &task_code,
	SyncTask<ColorConvertTaskCode>::TaskContext *task_context) {
	switch (task_code) {
	case ColorConvertTaskCode::kCodeGetInstance: {
	gl_color_convert_ = GLColorConvert::GetInstance(kTargetYUV, output_buffer_.flags.secure);
	}
	break;
	case ColorConvertTaskCode::kCodeBlit: {
	DTRACE_SCOPED();
	ColorConvertBlitContext* ctx = reinterpret_cast<ColorConvertBlitContext*>(task_context);
	gl_color_convert_->Blit(ctx->src_hnd, ctx->dst_hnd, ctx->src_rect, ctx->dst_rect,
	ctx->src_acquire_fence, ctx->dst_acquire_fence,
	&(ctx->release_fence));
	}
	break;
	case ColorConvertTaskCode::kCodeReset: {
	DTRACE_SCOPED();
	if (gl_color_convert_) {
	gl_color_convert_->Reset();
	}
	}
	break;
	case ColorConvertTaskCode::kCodeDestroyInstance: {
	if (gl_color_convert_) {
	GLColorConvert::Destroy(gl_color_convert_);
	}
	}
	break;
	}
	}

	bool HWCDisplayVirtualGPU::FreezeScreen() {
	if (!disable_animation_) {
	return false;
	}

	bool freeze_screen = false;
	if (animating_ && !animation_in_progress_) {
	// Start of animation. GPU comp is needed.
	animation_in_progress_ = true;
	} else if (!animating_ && animation_in_progress_) {
	// End of animation. Start composing.
	animation_in_progress_ = false;
	} else if (animating_ && animation_in_progress_) {
	// Animation in progress...
	freeze_screen = true;
	}

	return freeze_screen;
	}

	} // namespace sdm