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add BC7 support and fix bugs about mipmaps

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This commit is contained in:
sapphiresoul
2023-05-03 13:50:38 +08:00
committed by sean
parent 8efb333398
commit 27f153caa2
1 changed files with 8 additions and 2 deletions
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10
include/dds.hpp
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@@ -50,6 +50,8 @@ namespace dds {
case DXGI_FORMAT_BC3_UNORM_SRGB:
case DXGI_FORMAT_BC5_UNORM:
case DXGI_FORMAT_BC5_SNORM:
case DXGI_FORMAT_BC7_UNORM:
case DXGI_FORMAT_BC7_UNORM_SRGB:
return 16;
default:
return 0;
@@ -212,6 +214,10 @@ namespace dds {
return VK_FORMAT_BC5_UNORM_BLOCK;
case DXGI_FORMAT_BC5_SNORM:
return VK_FORMAT_BC5_SNORM_BLOCK;
case DXGI_FORMAT_BC7_UNORM:
return VK_FORMAT_BC7_UNORM_BLOCK;
case DXGI_FORMAT_BC7_UNORM_SRGB:
return VK_FORMAT_BC7_SRGB_BLOCK;
case DXGI_FORMAT_R8G8B8A8_UNORM:
return VK_FORMAT_R8G8B8A8_UNORM;
@@ -417,11 +423,11 @@ namespace dds {
// arraySize is populated with the additional DX10 header.
uint64_t totalSize = 0;
for (uint32_t i = 0; i < image->arraySize; ++i) {
auto mipmaps = min(header->mipmapCount, 1u);
auto mipmaps = max(header->mipmapCount, 1u);
auto width = header->width;
auto height = header->height;
for (uint32_t mip = 0; mip < mipmaps && width != 1; ++mip) {
for (uint32_t mip = 0; mip < mipmaps && width != 0; ++mip) {
uint32_t size = computeMipmapSize(image->format, width, height);
totalSize += static_cast<uint64_t>(size);