From 34cab1f1c50047f2a82cbb2656921c2d88e39ee7 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Thu, 29 Nov 2018 22:40:42 -0800
Subject: Improved type safety of different flag types

---
 .../GraphicsEngine/include/DeviceContextBase.h     | 18 +++----
 Graphics/GraphicsEngine/interface/Buffer.h         |  6 +--
 Graphics/GraphicsEngine/interface/DeviceContext.h  | 56 +++++++++++++---------
 Graphics/GraphicsEngine/interface/GraphicsTypes.h  | 18 +++++--
 Graphics/GraphicsEngine/interface/MapHelper.h      |  4 +-
 Graphics/GraphicsEngine/interface/Texture.h        | 10 ++--
 6 files changed, 68 insertions(+), 44 deletions(-)

(limited to 'Graphics/GraphicsEngine')

diff --git a/Graphics/GraphicsEngine/include/DeviceContextBase.h b/Graphics/GraphicsEngine/include/DeviceContextBase.h
index ad012626..293e438c 100644
--- a/Graphics/GraphicsEngine/include/DeviceContextBase.h
+++ b/Graphics/GraphicsEngine/include/DeviceContextBase.h
@@ -89,12 +89,12 @@ public:
 
     /// Base implementation of IDeviceContext::SetVertexBuffers(); validates parameters and 
     /// caches references to the buffers.
-    inline virtual void SetVertexBuffers( Uint32 StartSlot, Uint32 NumBuffersSet, IBuffer** ppBuffers, Uint32* pOffsets, Uint32 Flags )override = 0;
+    inline virtual void SetVertexBuffers( Uint32 StartSlot, Uint32 NumBuffersSet, IBuffer** ppBuffers, Uint32* pOffsets, SET_VERTEX_BUFFERS_FLAGS Flags )override = 0;
 
     inline virtual void InvalidateState()override = 0;
 
     /// Base implementation of IDeviceContext::CommitShaderResources(); validates parameters.
-    inline bool CommitShaderResources(IShaderResourceBinding* pShaderResourceBinding, Uint32 Flags, int);
+    inline bool CommitShaderResources(IShaderResourceBinding* pShaderResourceBinding, COMMIT_SHADER_RESOURCES_FLAGS Flags, int);
 
     /// Base implementation of IDeviceContext::SetIndexBuffer(); caches the strong reference to the index buffer
     inline virtual void SetIndexBuffer( IBuffer* pIndexBuffer, Uint32 ByteOffset )override = 0;
@@ -116,7 +116,7 @@ public:
     virtual void CopyBuffer(IBuffer *pSrcBuffer, Uint32 SrcOffset, IBuffer *pDstBuffer, Uint32 DstOffset, Uint32 Size)override = 0;
 
     /// Base implementation of IDeviceContext::MapBuffer(); validates input parameters.
-    virtual void MapBuffer(IBuffer* pBuffer, MAP_TYPE MapType, Uint32 MapFlags, PVoid& pMappedData)override = 0;
+    virtual void MapBuffer(IBuffer* pBuffer, MAP_TYPE MapType, MAP_FLAGS MapFlags, PVoid& pMappedData)override = 0;
 
     /// Base implementation of IDeviceContext::UnmapBuffer()
     virtual void UnmapBuffer(IBuffer* pBuffer)override = 0;
@@ -141,7 +141,7 @@ public:
                                        Uint32                    MipLevel,
                                        Uint32                    ArraySlice,
                                        MAP_TYPE                  MapType,
-                                       Uint32                    MapFlags,
+                                       MAP_FLAGS                 MapFlags,
                                        const Box*                pMapRegion,
                                        MappedTextureSubresource& MappedData)override = 0;
 
@@ -257,7 +257,8 @@ protected:
 
 
 template<typename BaseInterface, typename BufferImplType, typename TextureViewImplType, typename PipelineStateImplType>
-inline void DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType, PipelineStateImplType> :: SetVertexBuffers( Uint32 StartSlot, Uint32 NumBuffersSet, IBuffer** ppBuffers, Uint32* pOffsets, Uint32 Flags  )
+inline void DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType, PipelineStateImplType> :: 
+            SetVertexBuffers( Uint32 StartSlot, Uint32 NumBuffersSet, IBuffer** ppBuffers, Uint32* pOffsets, SET_VERTEX_BUFFERS_FLAGS Flags  )
 {
 #ifdef DEVELOPMENT
     if ( StartSlot >= MaxBufferSlots )
@@ -314,7 +315,8 @@ inline void DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType
 }
 
 template<typename BaseInterface, typename BufferImplType, typename TextureViewImplType, typename PipelineStateImplType>
-inline bool DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType, PipelineStateImplType> :: CommitShaderResources(IShaderResourceBinding* pShaderResourceBinding, Uint32 Flags, int)
+inline bool DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType, PipelineStateImplType> :: 
+            CommitShaderResources(IShaderResourceBinding* pShaderResourceBinding, COMMIT_SHADER_RESOURCES_FLAGS Flags, int)
 {
 #ifdef DEVELOPMENT
     if (!m_pPipelineState)
@@ -695,7 +697,7 @@ inline void DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType
 
 template<typename BaseInterface, typename BufferImplType, typename TextureViewImplType, typename PipelineStateImplType>
 inline void DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType, PipelineStateImplType> ::
-            MapBuffer( IBuffer* pBuffer, MAP_TYPE MapType, Uint32 MapFlags, PVoid& pMappedData )
+            MapBuffer( IBuffer* pBuffer, MAP_TYPE MapType, MAP_FLAGS MapFlags, PVoid& pMappedData )
 {
     VERIFY(pBuffer, "pBuffer must not be null");
     
@@ -779,7 +781,7 @@ inline void DeviceContextBase<BaseInterface, BufferImplType, TextureViewImplType
                                   Uint32                    MipLevel,
                                   Uint32                    ArraySlice,
                                   MAP_TYPE                  MapType,
-                                  Uint32                    MapFlags,
+                                  MAP_FLAGS                 MapFlags,
                                   const Box*                pMapRegion,
                                   MappedTextureSubresource& MappedData)
 {
diff --git a/Graphics/GraphicsEngine/interface/Buffer.h b/Graphics/GraphicsEngine/interface/Buffer.h
index d8ba656d..b192d18a 100644
--- a/Graphics/GraphicsEngine/interface/Buffer.h
+++ b/Graphics/GraphicsEngine/interface/Buffer.h
@@ -75,14 +75,14 @@ struct BufferDesc : DeviceObjectAttribs
     /// Diligent::BIND_VERTEX_BUFFER, Diligent::BIND_INDEX_BUFFER, Diligent::BIND_UNIFORM_BUFFER,
     /// Diligent::BIND_SHADER_RESOURCE, Diligent::BIND_STREAM_OUTPUT, Diligent::BIND_UNORDERED_ACCESS,
     /// Diligent::BIND_INDIRECT_DRAW_ARGS
-    Uint32 BindFlags = 0;
+    BIND_FLAGS BindFlags = BIND_NONE;
 
     /// Buffer usage, see Diligent::USAGE for details
     USAGE Usage = USAGE_DEFAULT;
 
     /// CPU access flags or 0 if no CPU access is allowed, 
-    /// see Diligent::CPU_ACCESS_FLAG for details.
-    Uint8 CPUAccessFlags = 0;
+    /// see Diligent::CPU_ACCESS_FLAGS for details.
+    CPU_ACCESS_FLAGS CPUAccessFlags = CPU_ACCESS_NONE;
     
     /// Buffer mode, see Diligent::BUFFER_MODE
     BUFFER_MODE Mode = BUFFER_MODE_UNDEFINED;
diff --git a/Graphics/GraphicsEngine/interface/DeviceContext.h b/Graphics/GraphicsEngine/interface/DeviceContext.h
index 60898af7..70088d2a 100644
--- a/Graphics/GraphicsEngine/interface/DeviceContext.h
+++ b/Graphics/GraphicsEngine/interface/DeviceContext.h
@@ -27,6 +27,7 @@
 /// Definition of the Diligent::IDeviceContext interface and related data structures
 
 #include "../../../Primitives/interface/Object.h"
+#include "../../../Primitives/interface/FlagEnum.h"
 #include "DeviceCaps.h"
 #include "Constants.h"
 #include "Buffer.h"
@@ -57,15 +58,15 @@ enum DRAW_FLAGS : Uint8
     /// Perform no state transitions
     DRAW_FLAG_NONE                            = 0x00,
 
-    /// Transition vertex buffers to RESOURCE_STATE_VERTEX_BUFFER state (see Diligent::RESOURCE_STATE).
+    /// Transition vertex buffers to Diligent::RESOURCE_STATE_VERTEX_BUFFER state (see Diligent::RESOURCE_STATE).
     /// Vertex buffers in unknown state will not be transitioned.
     DRAW_FLAG_TRANSITION_VERTEX_BUFFERS       = 0x01,
 
-    /// Transition index buffer to RESOURCE_STATE_INDEX_BUFFER state (see Diligent::RESOURCE_STATE).
+    /// Transition index buffer to Diligent::RESOURCE_STATE_INDEX_BUFFER state (see Diligent::RESOURCE_STATE).
     /// If the index buffer is in unknown state, this flag has no effect.
     DRAW_FLAG_TRANSITION_INDEX_BUFFER         = 0x02,
 
-    /// Transition indirect draw arguments buffer to RESOURCE_STATE_INDIRECT_ARGUMENT state (see Diligent::RESOURCE_STATE).
+    /// Transition indirect draw arguments buffer to Diligent::RESOURCE_STATE_INDIRECT_ARGUMENT state (see Diligent::RESOURCE_STATE).
     /// If the buffer is in unknown state, this flag has no effect.
     DRAW_FLAG_TRANSITION_INDIRECT_ARGS_BUFFER = 0x04,
 
@@ -78,6 +79,7 @@ enum DRAW_FLAGS : Uint8
     /// application explicitly manages the states.
     DRAW_FLAG_VERIFY_STATES                   = 0x08
 };
+DEFINE_FLAG_ENUM_OPERATORS(DRAW_FLAGS)
 
 /// Defines the draw command attributes
 
@@ -101,7 +103,7 @@ struct DrawAttribs
     VALUE_TYPE IndexType = VT_UNDEFINED;
 
     /// Additional flags controlling the draw command behavior, see Diligent::DRAW_FLAGS.
-    Uint8 Flags = DRAW_FLAG_NONE;
+    DRAW_FLAGS Flags = DRAW_FLAG_NONE;
 
     /// Number of instances to draw. If more than one instance is specified,
     /// instanced draw call will be performed.
@@ -155,12 +157,13 @@ struct DrawAttribs
 /// Defines which parts of the depth-stencil buffer to clear.
 
 /// These flags are used by IDeviceContext::ClearDepthStencil().
-enum CLEAR_DEPTH_STENCIL_FLAGS : Int32
+enum CLEAR_DEPTH_STENCIL_FLAGS : Uint32
 {
-    CLEAR_DEPTH_FLAG   = 0x01,  ///< Clear depth part of the buffer
-    CLEAR_STENCIL_FLAG = 0x02   ///< Clear stencil part of the buffer
+    CLEAR_DEPTH_FLAG_NONE = 0x00,  ///< Perform no clear
+    CLEAR_DEPTH_FLAG      = 0x01,  ///< Clear depth part of the buffer
+    CLEAR_STENCIL_FLAG    = 0x02   ///< Clear stencil part of the buffer
 };
-
+DEFINE_FLAG_ENUM_OPERATORS(CLEAR_DEPTH_STENCIL_FLAGS)
 
 /// Dispatch compute command flags
 enum DISPATCH_FLAGS : Uint8
@@ -177,6 +180,7 @@ enum DISPATCH_FLAGS : Uint8
     /// flag has no effect in release build.
     DISPATCH_FLAG_VERIFY_STATES                   = 0x02
 };
+DEFINE_FLAG_ENUM_OPERATORS(DISPATCH_FLAGS)
 
 /// Describes dispatch command arguments.
 
@@ -199,7 +203,7 @@ struct DispatchComputeAttribs
     Uint32  DispatchArgsByteOffset;
 
     /// Flags controlling the dispatch command behavior, see Diligent::DISPATCH_FLAGS.
-    Uint8 Flags = DISPATCH_FLAG_FLAG_NONE;
+    DISPATCH_FLAGS Flags = DISPATCH_FLAG_FLAG_NONE;
 
     /// Initializes the structure to perform non-indirect dispatch command
     
@@ -231,16 +235,23 @@ struct DispatchComputeAttribs
 };
 
 /// Defines allowed flags for IDeviceContext::SetVertexBuffers() function.
-enum SET_VERTEX_BUFFERS_FLAGS : Int32
+enum SET_VERTEX_BUFFERS_FLAGS : Uint8
 {
+    /// No extra operations
+    SET_VERTEX_BUFFERS_FLAG_NONE  = 0x00,
+
     /// Reset the vertex buffers to only the buffers specified in this
     /// call. All buffers previously bound to the pipeline will be unbound.
     SET_VERTEX_BUFFERS_FLAG_RESET = 0x01
 };
+DEFINE_FLAG_ENUM_OPERATORS(SET_VERTEX_BUFFERS_FLAGS)
 
 /// Defines allowed flags for IDeviceContext::CommitShaderResources() function.
-enum COMMIT_SHADER_RESOURCES_FLAG
+enum COMMIT_SHADER_RESOURCES_FLAGS : Uint8
 {
+    /// Perform no extra operations
+    COMMIT_SHADER_RESOURCES_FLAG_NONE                 = 0x00,
+
     /// Transition resources being committed
 
     /// If this flag is specified when IDeviceContext::CommitShaderResources() is called,
@@ -254,8 +265,9 @@ enum COMMIT_SHADER_RESOURCES_FLAG
     /// that all resources are transitioned to correct states when
     /// COMMIT_SHADER_RESOURCES_FLAG_TRANSITION_RESOURCES flag is not set.
     /// No resource state validation is performed in release build.
-    COMMIT_SHADER_RESOURCES_FLAG_VERIFY_STATES = 0x02
+    COMMIT_SHADER_RESOURCES_FLAG_VERIFY_STATES        = 0x02
 };
+DEFINE_FLAG_ENUM_OPERATORS(COMMIT_SHADER_RESOURCES_FLAGS)
 
 
 /// Describes the viewport.
@@ -363,7 +375,7 @@ public:
     /// \param [in] pShaderResourceBinding - Shader resource binding whose resources will be committed.
     ///                                      If pipeline state contains no shader resources, this parameter
     ///                                      can be null.
-    /// \param [in] Flags - Additional flags for the operation. See Diligent::COMMIT_SHADER_RESOURCES_FLAG
+    /// \param [in] Flags - Additional flags for the operation. See Diligent::COMMIT_SHADER_RESOURCES_FLAGS
     ///                     for a list of allowed values.
     ///
     /// \remarks Pipeline state object that was used to create the shader resource binding must be bound 
@@ -399,7 +411,7 @@ public:
     ///          manually by setting the state to Diligent::RESOURCE_STATE_UNKNOWN (which will disable automatic state 
     ///          management) using IBuffer::SetState() or ITexture::SetState() and explicitly transitioning the states with 
     ///          IDeviceContext::TransitionResourceStates(). See IDeviceContext::TransitionResourceStates() for details.
-    virtual void CommitShaderResources(IShaderResourceBinding* pShaderResourceBinding, Uint32 Flags) = 0;
+    virtual void CommitShaderResources(IShaderResourceBinding* pShaderResourceBinding, COMMIT_SHADER_RESOURCES_FLAGS Flags) = 0;
 
     /// Sets the stencil reference value
 
@@ -435,11 +447,11 @@ public:
     ///          It is suggested to specify Diligent::SET_VERTEX_BUFFERS_FLAG_RESET flag
     ///          whenever possible. This will assure that no buffers from previous draw calls are
     ///          are bound to the pipeline.
-    virtual void SetVertexBuffers(Uint32    StartSlot, 
-                                  Uint32    NumBuffersSet, 
-                                  IBuffer** ppBuffers, 
-                                  Uint32*   pOffsets,
-                                  Uint32    Flags) = 0;
+    virtual void SetVertexBuffers(Uint32                    StartSlot, 
+                                  Uint32                    NumBuffersSet, 
+                                  IBuffer**                 ppBuffers, 
+                                  Uint32*                   pOffsets,
+                                  SET_VERTEX_BUFFERS_FLAGS  Flags) = 0;
 
     /// Invalidates the cached context state.
 
@@ -551,7 +563,7 @@ public:
     /// \param [in] Stencil - Value to clear stencil part of the view with.
     /// \remarks The full extent of the view is always cleared. Viewport and scissor settings are not applied.
     /// \note The depth-stencil view must be bound to the pipeline for clear operation to be performed.
-    virtual void ClearDepthStencil(ITextureView* pView, Uint32 ClearFlags = CLEAR_DEPTH_FLAG, float fDepth = 1.f, Uint8 Stencil = 0) = 0;
+    virtual void ClearDepthStencil(ITextureView* pView, CLEAR_DEPTH_STENCIL_FLAGS ClearFlags = CLEAR_DEPTH_FLAG, float fDepth = 1.f, Uint8 Stencil = 0) = 0;
 
     /// Clears a render target view
 
@@ -614,7 +626,7 @@ public:
     /// \param [in] MapType - Type of the map operation. See Diligent::MAP_TYPE.
     /// \param [in] MapFlags - Special map flags. See Diligent::MAP_FLAGS.
     /// \param [out] pMappedData - Reference to the void pointer to store the address of the mapped region.
-    virtual void MapBuffer( IBuffer* pBuffer, MAP_TYPE MapType, Uint32 MapFlags, PVoid &pMappedData ) = 0;
+    virtual void MapBuffer( IBuffer* pBuffer, MAP_TYPE MapType, MAP_FLAGS MapFlags, PVoid &pMappedData ) = 0;
 
     /// Unmaps the previously mapped buffer
 
@@ -680,7 +692,7 @@ public:
                                         Uint32                    MipLevel,
                                         Uint32                    ArraySlice,
                                         MAP_TYPE                  MapType,
-                                        Uint32                    MapFlags,
+                                        MAP_FLAGS                 MapFlags,
                                         const Box*                pMapRegion,
                                         MappedTextureSubresource& MappedData ) = 0;
 
diff --git a/Graphics/GraphicsEngine/interface/GraphicsTypes.h b/Graphics/GraphicsEngine/interface/GraphicsTypes.h
index b542bde9..b9344120 100644
--- a/Graphics/GraphicsEngine/interface/GraphicsTypes.h
+++ b/Graphics/GraphicsEngine/interface/GraphicsTypes.h
@@ -28,6 +28,7 @@
 
 #include "../../../Primitives/interface/BasicTypes.h"
 #include "../../../Primitives/interface/DebugOutput.h"
+#include "../../../Primitives/interface/FlagEnum.h"
 
 /// Graphics engine namespace
 namespace Diligent
@@ -77,6 +78,7 @@ namespace Diligent
         BIND_UNORDERED_ACCESS	= 0x80L,///< A buffer or a texture can be bound as an unordered access view
         BIND_INDIRECT_DRAW_ARGS	= 0x100L///< A buffer can be bound as the source buffer for indirect draw commands
     };
+    DEFINE_FLAG_ENUM_OPERATORS(BIND_FLAGS)
 
     /// Resource usage
 
@@ -113,11 +115,13 @@ namespace Diligent
     /// - BufferDesc to describe CPU access mode for a buffer
     /// - TextureDesc to describe CPU access mode for a texture
     /// \note Only USAGE_DYNAMIC resources can be mapped
-    enum CPU_ACCESS_FLAG : Uint8
+    enum CPU_ACCESS_FLAGS : Uint8
     {
-        CPU_ACCESS_READ = 0x01, ///< A resource can be mapped for reading
-        CPU_ACCESS_WRITE = 0x02 ///< A resource can be mapped for writing
+        CPU_ACCESS_NONE  = 0x00, ///< No CPU access
+        CPU_ACCESS_READ  = 0x01, ///< A resource can be mapped for reading
+        CPU_ACCESS_WRITE = 0x02  ///< A resource can be mapped for writing
     };
+    DEFINE_FLAG_ENUM_OPERATORS(CPU_ACCESS_FLAGS)
 
     /// Resource mapping type
 
@@ -149,6 +153,8 @@ namespace Diligent
     /// - ITexture::Map to describe texture mapping flags
     enum MAP_FLAGS : Uint8
     {
+        MAP_FLAG_NONE       = 0x000,
+
         /// Specifies that map operation should not wait until previous command that
         /// using the same resource completes. Map returns null pointer if the resource
         /// is still in use.\n
@@ -167,6 +173,7 @@ namespace Diligent
         /// D3D11 counterpart:  D3D11_MAP_WRITE_NO_OVERWRITE. OpenGL counterpart: GL_MAP_UNSYNCHRONIZED_BIT
         MAP_FLAG_DO_NOT_SYNCHRONIZE = 0x004
     };
+    DEFINE_FLAG_ENUM_OPERATORS(MAP_FLAGS)
 
     /// Describes resource dimension
 
@@ -892,13 +899,16 @@ namespace Diligent
     /// Miscellaneous texture flags
 
     /// The enumeration is used by TextureDesc to describe misc texture flags
-    enum MISC_TEXTURE_FLAG : Uint8
+    enum MISC_TEXTURE_FLAGS : Uint8
     {
+        MISC_TEXTURE_FLAG_NONE          = 0x00,
+
         /// Allow automatic mipmap generation with ITextureView::GenerateMips()
 
         /// \note A texture must be created with BIND_RENDER_TARGET bind flag
         MISC_TEXTURE_FLAG_GENERATE_MIPS = 0x01
     };
+    DEFINE_FLAG_ENUM_OPERATORS(MISC_TEXTURE_FLAGS)
 
     /// Input primitive topology.
 
diff --git a/Graphics/GraphicsEngine/interface/MapHelper.h b/Graphics/GraphicsEngine/interface/MapHelper.h
index aae341c5..71264c3b 100644
--- a/Graphics/GraphicsEngine/interface/MapHelper.h
+++ b/Graphics/GraphicsEngine/interface/MapHelper.h
@@ -63,7 +63,7 @@ public:
 
     /// Initializes the object and maps the provided resource.
     /// See Map() for details.
-    MapHelper( IDeviceContext *pContext, IBuffer *pBuffer, MAP_TYPE MapType, Uint32 MapFlags ) :
+    MapHelper( IDeviceContext *pContext, IBuffer *pBuffer, MAP_TYPE MapType, MAP_FLAGS MapFlags ) :
         MapHelper()
     {
         Map(pContext, pBuffer, MapType, MapFlags);
@@ -106,7 +106,7 @@ public:
     /// \param pBuffer - Pointer to the buffer interface to map.
     /// \param MapType - Type of the map operation, see Diligent::MAP_TYPE for details.
     /// \param MapFlags - Additional map flags, see Diligent::MAP_FLAGS.
-    void Map( IDeviceContext *pContext, IBuffer *pBuffer, MAP_TYPE MapType, Uint32 MapFlags )
+    void Map( IDeviceContext *pContext, IBuffer *pBuffer, MAP_TYPE MapType, MAP_FLAGS MapFlags )
     {
         VERIFY(!m_pBuffer && !m_pMappedData && !m_pContext, "Object already mapped");
         Unmap();
diff --git a/Graphics/GraphicsEngine/interface/Texture.h b/Graphics/GraphicsEngine/interface/Texture.h
index b8c84409..aad67467 100644
--- a/Graphics/GraphicsEngine/interface/Texture.h
+++ b/Graphics/GraphicsEngine/interface/Texture.h
@@ -119,14 +119,14 @@ struct TextureDesc : DeviceObjectAttribs
     /// Diligent::BIND_SHADER_RESOURCE, Diligent::BIND_RENDER_TARGET, Diligent::BIND_DEPTH_STENCIL,
     /// Diligent::and BIND_UNORDERED_ACCESS. \n
     /// Multisampled textures cannot have Diligent::BIND_UNORDERED_ACCESS flag set
-    Uint32 BindFlags = 0;
+    BIND_FLAGS BindFlags = BIND_NONE;
 
     /// CPU access flags or 0 if no CPU access is allowed, 
-    /// see Diligent::CPU_ACCESS_FLAG for details.
-    Uint32 CPUAccessFlags = 0;
+    /// see Diligent::CPU_ACCESS_FLAGS for details.
+    CPU_ACCESS_FLAGS CPUAccessFlags = CPU_ACCESS_NONE;
     
-    /// Miscellaneous flags, see Diligent::MISC_TEXTURE_FLAG for details.
-    Uint32 MiscFlags = 0;
+    /// Miscellaneous flags, see Diligent::MISC_TEXTURE_FLAGS for details.
+    MISC_TEXTURE_FLAGS MiscFlags = MISC_TEXTURE_FLAG_NONE;
     
     /// Optimized clear value
     OptimizedClearValue ClearValue;
-- 
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