[GPUTask]
| 64 | protected: |
| 65 | // [GPUTask] |
| 66 | Result run(GPUTasksContext* context) override |
| 67 | { |
| 68 | if (!_player || _player->VideoFrameMemory.IsInvalid()) |
| 69 | return Result::MissingResources; |
| 70 | GPUTexture* frame = _player->Frame; |
| 71 | if (!frame->IsAllocated()) |
| 72 | return Result::MissingResources; |
| 73 | PROFILE_CPU(); |
| 74 | PROFILE_MEM(Video); |
| 75 | ZoneText(_player->DebugUrl, _player->DebugUrlLen); |
| 76 | |
| 77 | if (PixelFormatExtensions::IsVideo(_player->Format)) |
| 78 | { |
| 79 | // Allocate compressed frame uploading texture |
| 80 | if (!_player->FrameUpload) |
| 81 | _player->FrameUpload = GPUDevice::Instance->CreateBuffer(TEXT("VideoFrameUpload")); |
| 82 | auto desc = GPUBufferDescription::Buffer(_player->VideoFrameMemory.Length(), GPUBufferFlags::ShaderResource, PixelFormat::R32_UInt, nullptr, 4, GPUResourceUsage::Dynamic); |
| 83 | // TODO: add support for Transient textures (single frame data upload) |
| 84 | if (_player->FrameUpload->GetDescription() != desc) |
| 85 | { |
| 86 | if (_player->FrameUpload->Init(desc)) |
| 87 | return Result::Failed; |
| 88 | } |
| 89 | |
| 90 | // Upload compressed texture data |
| 91 | context->GPU->UpdateBuffer(_player->FrameUpload, _player->VideoFrameMemory.Get(), _player->VideoFrameMemory.Length()); |
| 92 | |
| 93 | // Decompress data into RGBA texture |
| 94 | auto cb = GPUDevice::Instance->QuadShader->GetCB(0); |
| 95 | QuadShaderData cbData; |
| 96 | cbData.Color = Float4((float)_player->VideoFrameWidth, (float)_player->VideoFrameHeight, 0, 0); |
| 97 | context->GPU->UpdateCB(cb, &cbData); |
| 98 | context->GPU->BindCB(0, cb); |
| 99 | context->GPU->SetViewportAndScissors((float)_player->Width, (float)_player->Height); |
| 100 | context->GPU->SetRenderTarget(frame->View()); |
| 101 | context->GPU->BindSR(0, _player->FrameUpload->View()); |
| 102 | GPUPipelineState* pso; |
| 103 | switch (_player->Format) |
| 104 | { |
| 105 | case PixelFormat::YUY2: |
| 106 | pso = GPUDevice::Instance->GetDecodeYUY2PS(); |
| 107 | break; |
| 108 | case PixelFormat::NV12: |
| 109 | pso = GPUDevice::Instance->GetDecodeNV12PS(); |
| 110 | break; |
| 111 | default: |
| 112 | return Result::Failed; |
| 113 | } |
| 114 | context->GPU->SetState(pso); |
| 115 | context->GPU->DrawFullscreenTriangle(); |
| 116 | } |
| 117 | else if (frame->Format() == _player->Format) |
| 118 | { |
| 119 | // Raw texture data upload |
| 120 | uint32 rowPitch, slicePitch; |
| 121 | frame->ComputePitch(0, rowPitch, slicePitch); |
| 122 | context->GPU->UpdateTexture(frame, 0, 0, _player->VideoFrameMemory.Get(), rowPitch, slicePitch); |
| 123 | } |
nothing calls this directly
no test coverage detected