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/* 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 + 6;
TexDesc.Height = 128 + 5;
TexDesc.BindFlags = BIND_SHADER_RESOURCE;
TexDesc.MipLevels = 6;
TexDesc.Usage = USAGE_DEFAULT;
TexDesc.MiscFlags = MISC_TEXTURE_FLAG_GENERATE_MIPS;
std::vector<Uint8> NullData(TexDesc.Width * TexDesc.Height * 16);
{
RefCntAutoPtr<ITexture> pTex;
std::vector<TextureSubResData> SubresData(TexDesc.MipLevels);
for(auto& MipLevelData : SubresData)
{
MipLevelData.pData = NullData.data();
MipLevelData.Stride = TexDesc.Width * 16;
}
TextureData InitData{SubresData.data(), TexDesc.MipLevels};
pDevice->CreateTexture(TexDesc, &InitData, &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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