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Bug 1186111 - Implemented pack unpremultiply for 32f formats. r=jgilbert

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This commit is contained in:
Kyle 2015-07-21 15:00:08 -04:00
parent 4f1a983170
commit a33672182a
1 changed files with 35 additions and 5 deletions
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40
dom/canvas/WebGLTexelConversions.h
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@ -804,6 +804,15 @@ pack<WebGLTexelFormat::RGB32F, WebGLTexelPremultiplicationOp::Premultiply, float
dst[2] = src[2] * scaleFactor;
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::RGB32F, WebGLTexelPremultiplicationOp::Unpremultiply, float, float>(const float* __restrict src, float* __restrict dst)
{
float scaleFactor = src[3] ? 1.0f / src[3] : 1.0f;
dst[0] = src[0] * scaleFactor;
dst[1] = src[1] * scaleFactor;
dst[2] = src[2] * scaleFactor;
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::RGBA32F, WebGLTexelPremultiplicationOp::None, float, float>(const float* __restrict src, float* __restrict dst)
{
@ -826,11 +835,11 @@ pack<WebGLTexelFormat::RGBA32F, WebGLTexelPremultiplicationOp::Premultiply, floa
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::RGBA32F, WebGLTexelPremultiplicationOp::Unpremultiply, float, float>(const float* __restrict src, float* __restrict dst)
{
float scaleFactor = src[3] ? 1.0f / src[3] : 1.0f;
dst[0] = src[0] * scaleFactor;
dst[1] = src[1] * scaleFactor;
dst[2] = src[2] * scaleFactor;
dst[3] = src[3];
float scaleFactor = src[3] ? 1.0f / src[3] : 1.0f;
dst[0] = src[0] * scaleFactor;
dst[1] = src[1] * scaleFactor;
dst[2] = src[2] * scaleFactor;
dst[3] = src[3];
}
template<> MOZ_ALWAYS_INLINE void
@ -845,6 +854,12 @@ pack<WebGLTexelFormat::A32F, WebGLTexelPremultiplicationOp::Premultiply, float,
dst[0] = src[3];
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::A32F, WebGLTexelPremultiplicationOp::Unpremultiply, float, float>(const float* __restrict src, float* __restrict dst)
{
dst[0] = src[3];
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::R32F, WebGLTexelPremultiplicationOp::None, float, float>(const float* __restrict src, float* __restrict dst)
{
@ -858,6 +873,13 @@ pack<WebGLTexelFormat::R32F, WebGLTexelPremultiplicationOp::Premultiply, float,
dst[0] = src[0] * scaleFactor;
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::R32F, WebGLTexelPremultiplicationOp::Unpremultiply, float, float>(const float* __restrict src, float* __restrict dst)
{
float scaleFactor = src[3] ? 1.0f / src[3] : 1.0f;
dst[0] = src[0] * scaleFactor;
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::RA32F, WebGLTexelPremultiplicationOp::None, float, float>(const float* __restrict src, float* __restrict dst)
{
@ -873,6 +895,14 @@ pack<WebGLTexelFormat::RA32F, WebGLTexelPremultiplicationOp::Premultiply, float,
dst[1] = scaleFactor;
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::RA32F, WebGLTexelPremultiplicationOp::Unpremultiply, float, float>(const float* __restrict src, float* __restrict dst)
{
float scaleFactor = src[3] ? 1.0f / src[3] : 1.0f;
dst[0] = src[0] * scaleFactor;
dst[1] = src[3];
}
template<> MOZ_ALWAYS_INLINE void
pack<WebGLTexelFormat::RGB16F, WebGLTexelPremultiplicationOp::None, uint16_t, uint16_t>(const uint16_t* __restrict src, uint16_t* __restrict dst)
{