From 16247fb8792f4ac938825361ea6bfdd484b2e5a8 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Thu, 11 Apr 2019 20:07:24 -0700
Subject: Added mip generation tests; updated submodules

---
 Tests/TestApp/src/TestMipMapsGeneration.cpp | 91 +++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 Tests/TestApp/src/TestMipMapsGeneration.cpp

(limited to 'Tests/TestApp/src/TestMipMapsGeneration.cpp')

diff --git a/Tests/TestApp/src/TestMipMapsGeneration.cpp b/Tests/TestApp/src/TestMipMapsGeneration.cpp
new file mode 100644
index 0000000..d2a80d4
--- /dev/null
+++ b/Tests/TestApp/src/TestMipMapsGeneration.cpp
@@ -0,0 +1,91 @@
+/*     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
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  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.
+ */
+
+#include "pch.h"
+#include "TestMipMapsGeneration.h"
+#include "RenderDevice.h"
+#include "GraphicsUtilities.h"
+#include "Errors.h"
+
+using namespace Diligent;
+
+TestMipMapsGeneration::TestMipMapsGeneration( IRenderDevice *pDevice, IDeviceContext *pContext ) :
+    UnitTestBase("Texture mipmap generation")
+{
+    TEXTURE_FORMAT TestFormats[] = 
+    {
+        TEX_FORMAT_RGBA8_UNORM,
+        TEX_FORMAT_RGBA8_UNORM_SRGB,
+        TEX_FORMAT_RGBA32_FLOAT
+    };
+
+    int NumFormatsTested = 0;
+    for( auto f = 0; f < _countof( TestFormats ); ++f )
+    {
+        TextureDesc TexDesc;
+        TexDesc.Type = RESOURCE_DIM_TEX_2D;
+        TexDesc.Format = TestFormats[f];
+        TexDesc.Width = 128;
+        TexDesc.Height = 128;
+        TexDesc.BindFlags = BIND_SHADER_RESOURCE;
+        TexDesc.MipLevels = 6;
+        TexDesc.Usage = USAGE_DEFAULT;
+        TexDesc.MiscFlags = MISC_TEXTURE_FLAG_GENERATE_MIPS;
+
+        {
+            RefCntAutoPtr<ITexture> pTex;
+            pDevice->CreateTexture(TexDesc, nullptr, &pTex);
+            pContext->GenerateMips(pTex->GetDefaultView(TEXTURE_VIEW_SHADER_RESOURCE));
+
+            TextureViewDesc ViewDesc(TEXTURE_VIEW_SHADER_RESOURCE, RESOURCE_DIM_TEX_2D_ARRAY);
+            ViewDesc.MostDetailedMip = 1;
+            ViewDesc.NumMipLevels = 3;
+            ViewDesc.Flags = TEXTURE_VIEW_FLAG_ALLOW_MIP_MAP_GENERATION;
+            RefCntAutoPtr<ITextureView> pTexView;
+            pTex->CreateView(ViewDesc, &pTexView);
+            pContext->GenerateMips(pTexView);
+        }
+
+        TexDesc.Type = RESOURCE_DIM_TEX_2D_ARRAY;
+        TexDesc.ArraySize = 16;
+        {
+            RefCntAutoPtr<ITexture> pTex;
+            pDevice->CreateTexture(TexDesc, nullptr, &pTex);
+
+            TextureViewDesc ViewDesc(TEXTURE_VIEW_SHADER_RESOURCE, RESOURCE_DIM_TEX_2D_ARRAY);
+            ViewDesc.FirstArraySlice = 2;
+            ViewDesc.NumArraySlices = 5;
+            ViewDesc.MostDetailedMip = 1;
+            ViewDesc.NumMipLevels = 5;
+            ViewDesc.Flags = TEXTURE_VIEW_FLAG_ALLOW_MIP_MAP_GENERATION;
+            RefCntAutoPtr<ITextureView> pTexView;
+            pTex->CreateView(ViewDesc, &pTexView);
+            pContext->GenerateMips(pTexView);
+
+            pContext->GenerateMips(pTex->GetDefaultView(TEXTURE_VIEW_SHADER_RESOURCE));
+        }
+    }
+    std::stringstream infoss;
+    infoss << "Formats tested: " << NumFormatsTested;
+    SetStatus(TestResult::Succeeded, infoss.str().c_str());
+}
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