1 // Copyright 2021 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "dawn_native/ExternalTexture.h" 16 17 #include "dawn_native/Device.h" 18 #include "dawn_native/ObjectType_autogen.h" 19 #include "dawn_native/Texture.h" 20 21 #include "dawn_native/dawn_platform.h" 22 23 namespace dawn_native { 24 ValidateExternalTexturePlane(const TextureViewBase * textureView,wgpu::TextureFormat format)25 MaybeError ValidateExternalTexturePlane(const TextureViewBase* textureView, 26 wgpu::TextureFormat format) { 27 if (textureView->GetFormat().format != format) { 28 return DAWN_VALIDATION_ERROR( 29 "The external texture descriptor specifies a texture format that is different from " 30 "at least one of the passed texture views."); 31 } 32 33 DAWN_INVALID_IF( 34 (textureView->GetTexture()->GetUsage() & wgpu::TextureUsage::TextureBinding) == 0, 35 "The external texture plane (%s) usage (%s) doesn't include the required usage (%s)", 36 textureView, textureView->GetTexture()->GetUsage(), wgpu::TextureUsage::TextureBinding); 37 38 DAWN_INVALID_IF(textureView->GetDimension() != wgpu::TextureViewDimension::e2D, 39 "The external texture plane (%s) dimension (%s) is not 2D.", textureView, 40 textureView->GetDimension()); 41 42 DAWN_INVALID_IF(textureView->GetLevelCount() > 1, 43 "The external texture plane (%s) mip level count (%u) is not 1.", 44 textureView, textureView->GetLevelCount()); 45 46 DAWN_INVALID_IF(textureView->GetTexture()->GetSampleCount() != 1, 47 "The external texture plane (%s) sample count (%u) is not one.", 48 textureView, textureView->GetTexture()->GetSampleCount()); 49 50 return {}; 51 } 52 ValidateExternalTextureDescriptor(const DeviceBase * device,const ExternalTextureDescriptor * descriptor)53 MaybeError ValidateExternalTextureDescriptor(const DeviceBase* device, 54 const ExternalTextureDescriptor* descriptor) { 55 ASSERT(descriptor); 56 ASSERT(descriptor->plane0); 57 58 DAWN_TRY(device->ValidateObject(descriptor->plane0)); 59 60 const Format* format; 61 DAWN_TRY_ASSIGN(format, device->GetInternalFormat(descriptor->format)); 62 DAWN_UNUSED(format); 63 64 switch (descriptor->format) { 65 case wgpu::TextureFormat::RGBA8Unorm: 66 case wgpu::TextureFormat::BGRA8Unorm: 67 case wgpu::TextureFormat::RGBA16Float: 68 DAWN_TRY_CONTEXT( 69 ValidateExternalTexturePlane(descriptor->plane0, descriptor->format), 70 "validating plane0 against the external texture format (%s)", 71 descriptor->format); 72 break; 73 default: 74 return DAWN_FORMAT_VALIDATION_ERROR( 75 "Format (%s) is not a supported external texture format.", descriptor->format); 76 } 77 78 return {}; 79 } 80 81 // static Create(DeviceBase * device,const ExternalTextureDescriptor * descriptor)82 ResultOrError<Ref<ExternalTextureBase>> ExternalTextureBase::Create( 83 DeviceBase* device, 84 const ExternalTextureDescriptor* descriptor) { 85 Ref<ExternalTextureBase> externalTexture = 86 AcquireRef(new ExternalTextureBase(device, descriptor)); 87 return std::move(externalTexture); 88 } 89 ExternalTextureBase(DeviceBase * device,const ExternalTextureDescriptor * descriptor)90 ExternalTextureBase::ExternalTextureBase(DeviceBase* device, 91 const ExternalTextureDescriptor* descriptor) 92 : ApiObjectBase(device, descriptor->label), mState(ExternalTextureState::Alive) { 93 textureViews[0] = descriptor->plane0; 94 TrackInDevice(); 95 } 96 ExternalTextureBase(DeviceBase * device)97 ExternalTextureBase::ExternalTextureBase(DeviceBase* device) 98 : ApiObjectBase(device, kLabelNotImplemented), mState(ExternalTextureState::Alive) { 99 TrackInDevice(); 100 } 101 ExternalTextureBase(DeviceBase * device,ObjectBase::ErrorTag tag)102 ExternalTextureBase::ExternalTextureBase(DeviceBase* device, ObjectBase::ErrorTag tag) 103 : ApiObjectBase(device, tag) { 104 } 105 106 const std::array<Ref<TextureViewBase>, kMaxPlanesPerFormat>& GetTextureViews() const107 ExternalTextureBase::GetTextureViews() const { 108 return textureViews; 109 } 110 ValidateCanUseInSubmitNow() const111 MaybeError ExternalTextureBase::ValidateCanUseInSubmitNow() const { 112 ASSERT(!IsError()); 113 DAWN_INVALID_IF(mState == ExternalTextureState::Destroyed, 114 "Destroyed external texture %s is used in a submit.", this); 115 return {}; 116 } 117 APIDestroy()118 void ExternalTextureBase::APIDestroy() { 119 if (GetDevice()->ConsumedError(GetDevice()->ValidateObject(this))) { 120 return; 121 } 122 Destroy(); 123 } 124 DestroyImpl()125 void ExternalTextureBase::DestroyImpl() { 126 mState = ExternalTextureState::Destroyed; 127 } 128 129 // static MakeError(DeviceBase * device)130 ExternalTextureBase* ExternalTextureBase::MakeError(DeviceBase* device) { 131 return new ExternalTextureBase(device, ObjectBase::kError); 132 } 133 GetType() const134 ObjectType ExternalTextureBase::GetType() const { 135 return ObjectType::ExternalTexture; 136 } 137 138 } // namespace dawn_native 139