diff options
| author | assiduous <assiduous@diligentgraphics.com> | 2020-04-04 05:38:37 +0000 |
|---|---|---|
| committer | assiduous <assiduous@diligentgraphics.com> | 2020-04-04 05:38:37 +0000 |
| commit | 29658532537e1db4ea4ab8142133407fd1e2f8ed (patch) | |
| tree | 95311f98f4741741d26994b74e879e73064aff6c /Common/interface | |
| parent | TextureUploaderGL: fixed issue with row stride that must be at least 32-bit a... (diff) | |
| download | DiligentCore-29658532537e1db4ea4ab8142133407fd1e2f8ed.tar.gz DiligentCore-29658532537e1db4ea4ab8142133407fd1e2f8ed.zip | |
Math lib: added RGBA8Unorm_To_F4Color and F4Color_To_RGBA8Unorm functions
Diffstat (limited to 'Common/interface')
| -rw-r--r-- | Common/interface/BasicMath.hpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Common/interface/BasicMath.hpp b/Common/interface/BasicMath.hpp index 81f646fb..867c91cd 100644 --- a/Common/interface/BasicMath.hpp +++ b/Common/interface/BasicMath.hpp @@ -1919,6 +1919,29 @@ T min3(const T& x, const T& y, const T& z) return std::min(std::min(x, y), z); } +inline float4 RGBA8Unorm_To_F4Color(Uint32 RGBA8) +{ + // clang-format off + return float4 + { + static_cast<float>((RGBA8 >> 0u) & 0xFF) / 255.f, + static_cast<float>((RGBA8 >> 8u) & 0xFF) / 255.f, + static_cast<float>((RGBA8 >> 16u) & 0xFF) / 255.f, + static_cast<float>((RGBA8 >> 24u) & 0xFF) / 255.f + }; + // clang-format on +} + +inline Uint32 F4Color_To_RGBA8Unorm(const float4& f4Color) +{ + Uint32 RGBA8U = 0; + RGBA8U |= static_cast<Uint32>(clamp(f4Color.r, 0.f, 1.f) * 255.f) << 0u; + RGBA8U |= static_cast<Uint32>(clamp(f4Color.g, 0.f, 1.f) * 255.f) << 8u; + RGBA8U |= static_cast<Uint32>(clamp(f4Color.b, 0.f, 1.f) * 255.f) << 16u; + RGBA8U |= static_cast<Uint32>(clamp(f4Color.a, 0.f, 1.f) * 255.f) << 24u; + return RGBA8U; +} + } // namespace Diligent |