From b175c814abddc737071b17c7509658fecbb9a7f5 Mon Sep 17 00:00:00 2001
From: assiduous <assiduous@diligentgraphics.com>
Date: Fri, 24 Jul 2020 16:42:34 -0700
Subject: Added IFramebuffer interface

---
 Graphics/GraphicsEngine/CMakeLists.txt          |   1 +
 Graphics/GraphicsEngine/interface/Framebuffer.h | 102 ++++++++++++++++++++++++
 Graphics/GraphicsEngine/interface/RenderPass.h  |   2 +-
 3 files changed, 104 insertions(+), 1 deletion(-)
 create mode 100644 Graphics/GraphicsEngine/interface/Framebuffer.h

(limited to 'Graphics/GraphicsEngine')

diff --git a/Graphics/GraphicsEngine/CMakeLists.txt b/Graphics/GraphicsEngine/CMakeLists.txt
index d7b51d87..7a8a4715 100644
--- a/Graphics/GraphicsEngine/CMakeLists.txt
+++ b/Graphics/GraphicsEngine/CMakeLists.txt
@@ -42,6 +42,7 @@ set(INTERFACE
     interface/DeviceObject.h
     interface/EngineFactory.h
     interface/Fence.h
+    interface/Framebuffer.h
     interface/GraphicsTypes.h
     interface/InputLayout.h
     interface/PipelineState.h
diff --git a/Graphics/GraphicsEngine/interface/Framebuffer.h b/Graphics/GraphicsEngine/interface/Framebuffer.h
new file mode 100644
index 00000000..c8bed172
--- /dev/null
+++ b/Graphics/GraphicsEngine/interface/Framebuffer.h
@@ -0,0 +1,102 @@
+/*
+ *  Copyright 2019-2020 Diligent Graphics LLC
+ *  Copyright 2015-2019 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+// clang-format off
+
+/// \file
+/// Definition of the Diligent::IFramebuffer interface and related data structures
+
+#include "DeviceObject.h"
+#include "RenderPass.h"
+#include "TextureView.h"
+
+DILIGENT_BEGIN_NAMESPACE(Diligent)
+
+// {05DA9E47-3CA6-4F96-A967-1DDDC53181A6}
+static const struct INTERFACE_ID IID_Framebuffer =
+    { 0x5da9e47, 0x3ca6, 0x4f96, { 0xa9, 0x67, 0x1d, 0xdd, 0xc5, 0x31, 0x81, 0xa6 } };
+
+/// Framebuffer description.
+struct FramebufferDesc DILIGENT_DERIVE(DeviceObjectAttribs)
+
+    /// Render pass that the framebuffer will be compatible with.
+    IRenderPass*        pRenderPass     DEFAULT_INITIALIZER(nullptr);
+
+    /// The number of attachments.
+    Uint32              AttachmentCount DEFAULT_INITIALIZER(0);
+
+    /// Pointer to the array of attachments.
+    const ITextureView* pAttachments    DEFAULT_INITIALIZER(nullptr);
+
+    /// Width of the framebuffer.
+    Uint32              Width           DEFAULT_INITIALIZER(0);
+
+    /// Height of the framebuffer.
+    Uint32              Height          DEFAULT_INITIALIZER(0);
+
+    /// The number of layers in the framebuffer.
+    Uint32              Layers          DEFAULT_INITIALIZER(0);
+};
+typedef struct FramebufferDesc FramebufferDesc;
+
+#if DILIGENT_CPP_INTERFACE
+
+/// Framebuffer interface
+
+/// Framebuffer has no methods.
+class IFramebuffer : public IDeviceObject
+{
+public:
+    virtual const FramebufferDesc& GetDesc() const override = 0;
+};
+
+#else
+
+struct IFramebuffer;
+
+//  C requires that a struct or union has at least one member
+//struct IFramebufferMethods
+//{
+//};
+
+struct IFramebufferVtbl
+{
+    struct IObjectMethods       Object;
+    struct IDeviceObjectMethods DeviceObject;
+    //struct IFramebufferMethods  Framebuffer;
+};
+
+typedef struct IFramebuffer
+{
+    struct IFramebufferVtbl* pVtbl;
+} IFramebuffer;
+
+#endif
+
+DILIGENT_END_NAMESPACE // namespace Diligent
diff --git a/Graphics/GraphicsEngine/interface/RenderPass.h b/Graphics/GraphicsEngine/interface/RenderPass.h
index 3ac3e3ce..0cc37f96 100644
--- a/Graphics/GraphicsEngine/interface/RenderPass.h
+++ b/Graphics/GraphicsEngine/interface/RenderPass.h
@@ -276,7 +276,7 @@ typedef struct SubpassDesc SubpassDesc;
 /// Subpass dependency description
 struct SubpassDependencyDesc
 {
-    int Dummy;
+    void* TBD;
 };
 typedef struct SubpassDependencyDesc SubpassDependencyDesc;
 
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