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Added minimum number of blocks for PTC textures. Issue #250.
This commit is contained in:
Branimir Karadžić
parent
de81071969
commit
c2e100d65d
2 changed files with 54 additions and 50 deletions
102
src/image.cpp
102
src/image.cpp
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@ -12,54 +12,54 @@ namespace bgfx
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{
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static const ImageBlockInfo s_imageBlockInfo[] =
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{
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{ 4, 4, 4, 8 }, // BC1
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{ 8, 4, 4, 16 }, // BC2
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{ 8, 4, 4, 16 }, // BC3
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{ 4, 4, 4, 8 }, // BC4
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{ 8, 4, 4, 16 }, // BC5
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{ 8, 4, 4, 16 }, // BC6H
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{ 8, 4, 4, 16 }, // BC7
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{ 4, 4, 4, 8 }, // ETC1
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{ 4, 4, 4, 8 }, // ETC2
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{ 8, 4, 4, 16 }, // ETC2A
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{ 4, 4, 4, 8 }, // ETC2A1
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{ 2, 8, 4, 8 }, // PTC12
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{ 4, 4, 4, 8 }, // PTC14
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{ 2, 8, 4, 8 }, // PTC12A
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{ 4, 4, 4, 8 }, // PTC14A
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{ 2, 8, 4, 8 }, // PTC22
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{ 4, 4, 4, 8 }, // PTC24
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{ 0, 0, 0, 0 }, // Unknown
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{ 1, 8, 1, 1 }, // R1
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{ 8, 1, 1, 1 }, // R8
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{ 16, 1, 1, 2 }, // R16
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{ 16, 1, 1, 2 }, // R16F
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{ 32, 1, 1, 4 }, // R32
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{ 32, 1, 1, 4 }, // R32F
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{ 16, 1, 1, 2 }, // RG8
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{ 32, 1, 1, 4 }, // RG16
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{ 32, 1, 1, 4 }, // RG16F
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{ 64, 1, 1, 8 }, // RG32
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{ 64, 1, 1, 8 }, // RG32F
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{ 32, 1, 1, 4 }, // BGRA8
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{ 64, 1, 1, 8 }, // RGBA16
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{ 64, 1, 1, 8 }, // RGBA16F
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{ 128, 1, 1, 16 }, // RGBA32
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{ 128, 1, 1, 16 }, // RGBA32F
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{ 16, 1, 1, 2 }, // R5G6B5
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{ 16, 1, 1, 2 }, // RGBA4
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{ 16, 1, 1, 2 }, // RGB5A1
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{ 32, 1, 1, 4 }, // RGB10A2
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{ 32, 1, 1, 4 }, // R11G11B10F
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{ 0, 0, 0, 0 }, // UnknownDepth
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{ 16, 1, 1, 2 }, // D16
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{ 24, 1, 1, 3 }, // D24
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{ 32, 1, 1, 4 }, // D24S8
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{ 32, 1, 1, 4 }, // D32
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{ 16, 1, 1, 2 }, // D16F
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{ 24, 1, 1, 3 }, // D24F
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{ 32, 1, 1, 4 }, // D32F
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{ 8, 1, 1, 1 }, // D0S8
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{ 4, 4, 4, 8, 1, 1 }, // BC1
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{ 8, 4, 4, 16, 1, 1 }, // BC2
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{ 8, 4, 4, 16, 1, 1 }, // BC3
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{ 4, 4, 4, 8, 1, 1 }, // BC4
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{ 8, 4, 4, 16, 1, 1 }, // BC5
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{ 8, 4, 4, 16, 1, 1 }, // BC6H
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{ 8, 4, 4, 16, 1, 1 }, // BC7
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{ 4, 4, 4, 8, 1, 1 }, // ETC1
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{ 4, 4, 4, 8, 1, 1 }, // ETC2
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{ 8, 4, 4, 16, 1, 1 }, // ETC2A
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{ 4, 4, 4, 8, 1, 1 }, // ETC2A1
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{ 2, 8, 4, 8, 2, 2 }, // PTC12
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{ 4, 4, 4, 8, 2, 2 }, // PTC14
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{ 2, 8, 4, 8, 2, 2 }, // PTC12A
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{ 4, 4, 4, 8, 2, 2 }, // PTC14A
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{ 2, 8, 4, 8, 2, 2 }, // PTC22
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{ 4, 4, 4, 8, 2, 2 }, // PTC24
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{ 0, 0, 0, 0, 1, 1 }, // Unknown
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{ 1, 8, 1, 1, 1, 1 }, // R1
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{ 8, 1, 1, 1, 1, 1 }, // R8
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{ 16, 1, 1, 2, 1, 1 }, // R16
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{ 16, 1, 1, 2, 1, 1 }, // R16F
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{ 32, 1, 1, 4, 1, 1 }, // R32
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{ 32, 1, 1, 4, 1, 1 }, // R32F
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{ 16, 1, 1, 2, 1, 1 }, // RG8
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{ 32, 1, 1, 4, 1, 1 }, // RG16
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{ 32, 1, 1, 4, 1, 1 }, // RG16F
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{ 64, 1, 1, 8, 1, 1 }, // RG32
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{ 64, 1, 1, 8, 1, 1 }, // RG32F
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{ 32, 1, 1, 4, 1, 1 }, // BGRA8
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{ 64, 1, 1, 8, 1, 1 }, // RGBA16
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{ 64, 1, 1, 8, 1, 1 }, // RGBA16F
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{ 128, 1, 1, 16, 1, 1 }, // RGBA32
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{ 128, 1, 1, 16, 1, 1 }, // RGBA32F
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{ 16, 1, 1, 2, 1, 1 }, // R5G6B5
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{ 16, 1, 1, 2, 1, 1 }, // RGBA4
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{ 16, 1, 1, 2, 1, 1 }, // RGB5A1
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{ 32, 1, 1, 4, 1, 1 }, // RGB10A2
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{ 32, 1, 1, 4, 1, 1 }, // R11G11B10F
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{ 0, 0, 0, 0, 1, 1 }, // UnknownDepth
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{ 16, 1, 1, 2, 1, 1 }, // D16
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{ 24, 1, 1, 3, 1, 1 }, // D24
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{ 32, 1, 1, 4, 1, 1 }, // D24S8
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{ 32, 1, 1, 4, 1, 1 }, // D32
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{ 16, 1, 1, 2, 1, 1 }, // D16F
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{ 24, 1, 1, 3, 1, 1 }, // D24F
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{ 32, 1, 1, 4, 1, 1 }, // D32F
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{ 8, 1, 1, 1, 1, 1 }, // D0S8
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};
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BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_imageBlockInfo) );
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@ -2103,6 +2103,8 @@ namespace bgfx
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const uint32_t blockSize = blockInfo.blockSize;
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const uint32_t blockWidth = blockInfo.blockWidth;
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const uint32_t blockHeight = blockInfo.blockHeight;
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const uint32_t minBlockX = blockInfo.minBlockX;
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const uint32_t minBlockY = blockInfo.minBlockY;
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if (UINT32_MAX == _imageContainer.m_offset)
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{
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@ -2127,8 +2129,8 @@ namespace bgfx
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// skip imageSize in KTX format.
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offset += _imageContainer.m_ktx ? sizeof(uint32_t) : 0;
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width = bx::uint32_max(blockWidth, ( (width +blockWidth -1)/blockWidth )*blockWidth);
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height = bx::uint32_max(blockHeight, ( (height+blockHeight-1)/blockHeight)*blockHeight);
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width = bx::uint32_max(blockWidth * minBlockX, ( (width + blockWidth - 1) / blockWidth )*blockWidth);
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height = bx::uint32_max(blockHeight * minBlockY, ( (height + blockHeight - 1) / blockHeight)*blockHeight);
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depth = bx::uint32_max(1, depth);
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uint32_t size = width*height*depth*bpp/8;
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@ -43,6 +43,8 @@ namespace bgfx
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uint8_t blockWidth;
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uint8_t blockHeight;
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uint8_t blockSize;
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uint8_t minBlockX;
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uint8_t minBlockY;
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};
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///
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