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Sparse binding test: added textures with mip maps.

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This commit is contained in:
Adam Sawicki 2018-12-06 12:49:52 +01:00
parent 4a2be4ee40
commit 1ae513ae5c
1 changed files with 17 additions and 1 deletions
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18
src/SparseBindingTest.cpp
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@ -22,6 +22,19 @@ void LoadShader(std::vector<char>& out, const char* fileName);
////////////////////////////////////////////////////////////////////////////////
// Class definitions
static uint32_t CalculateMipMapCount(uint32_t width, uint32_t height, uint32_t depth)
{
uint32_t mipMapCount = 1;
while(width > 1 || height > 1 || depth > 1)
{
++mipMapCount;
width /= 2;
height /= 2;
depth /= 2;
}
return mipMapCount;
}
class BaseImage
{
public:
@ -85,13 +98,16 @@ void BaseImage::FillImageCreateInfo(RandomNumberGenerator& rand)
constexpr uint32_t imageSizeMin = 8;
constexpr uint32_t imageSizeMax = 2048;
const bool useMipMaps = rand.Generate() % 2 != 0;
ZeroMemory(&m_CreateInfo, sizeof(m_CreateInfo));
m_CreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
m_CreateInfo.imageType = VK_IMAGE_TYPE_2D;
m_CreateInfo.extent.width = rand.Generate() % (imageSizeMax - imageSizeMin) + imageSizeMin;
m_CreateInfo.extent.height = rand.Generate() % (imageSizeMax - imageSizeMin) + imageSizeMin;
m_CreateInfo.extent.depth = 1;
m_CreateInfo.mipLevels = 1; // TODO ?
m_CreateInfo.mipLevels = useMipMaps ?
CalculateMipMapCount(m_CreateInfo.extent.width, m_CreateInfo.extent.height, m_CreateInfo.extent.depth) : 1;
m_CreateInfo.arrayLayers = 1;
m_CreateInfo.format = VK_FORMAT_R8G8B8A8_UNORM;
m_CreateInfo.tiling = VK_IMAGE_TILING_OPTIMAL;