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BC6H: Fixed issues with negative values in texture.

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Branimir Karadžić
2018-07-06 18:46:00 -07:00
parent e668795fe7
commit 73e4e1deaa
1 changed files with 3 additions and 3 deletions
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6
3rdparty/nvtt/nvtt.cpp vendored
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@@ -50,9 +50,9 @@ namespace nvtt
for (uint32_t blockX = 0; blockX < ZOH::Tile::TILE_W; ++blockX) for (uint32_t blockX = 0; blockX < ZOH::Tile::TILE_W; ++blockX)
{ {
nv::Vector4 color = srcRgba[blockY*srcRgbaStride + blockX]; nv::Vector4 color = srcRgba[blockY*srcRgbaStride + blockX];
zohTile.data[blockY][blockX].x = float(int16_t(bx::halfFromFloat(color.x) ) ); zohTile.data[blockY][blockX].x = float(int16_t(bx::halfFromFloat(bx::max(color.x, 0.0f) ) ) );
zohTile.data[blockY][blockX].y = float(int16_t(bx::halfFromFloat(color.y) ) ); zohTile.data[blockY][blockX].y = float(int16_t(bx::halfFromFloat(bx::max(color.y, 0.0f) ) ) );
zohTile.data[blockY][blockX].z = float(int16_t(bx::halfFromFloat(color.z) ) ); zohTile.data[blockY][blockX].z = float(int16_t(bx::halfFromFloat(bx::max(color.z, 0.0f) ) ) );
} }
} }