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Clean up some filter code

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This commit is contained in:
Steven Robertson 2012-04-16 00:39:22 -07:00
parent f3c2186137
commit f5ef30bc1b
3 changed files with 21 additions and 21 deletions
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11
cuburn/code/color.py
View File

@ -28,6 +28,17 @@ __device__ float3 yuv2rgb(float3 yuv) {
yuv.x - 0.34414f * yuv.y - 0.71414f * yuv.z,
yuv.x + 1.772f * yuv.y);
}
// As used in the various cliplibs.
__device__ void yuvo2rgb(float4& pix) {
pix.y -= 0.5f * pix.w;
pix.z -= 0.5f * pix.w;
float3 tmp = yuv2rgb(make_float3(pix.x, pix.y, pix.z));
pix.x = fmaxf(0.0f, tmp.x);
pix.y = fmaxf(0.0f, tmp.y);
pix.z = fmaxf(0.0f, tmp.z);
}
''')
hsvlib = devlib(decls='''

24
cuburn/code/filters.py
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@ -241,17 +241,9 @@ haloclip(float4 *pixbuf, const float *denbuf, float gamma) {
float ls = powf(pix.z, gamma) / fmaxf(1.0f, areaval);
pix.x *= ls;
pix.y *= ls;
pix.z *= ls;
pix.w *= ls;
scale_float4(pix, ls);
pix.y -= 0.5f * pix.w;
pix.z -= 0.5f * pix.w;
float3 tmp = yuv2rgb(make_float3(pix.x, pix.y, pix.z));
pix.x = fmaxf(0.0f, tmp.x);
pix.y = fmaxf(0.0f, tmp.y);
pix.z = fmaxf(0.0f, tmp.z);
yuvo2rgb(pix);
pixbuf[i] = pix;
}
@ -269,17 +261,7 @@ colorclip(float4 *pixbuf, float gamma, float vibrance, float highpow,
pixbuf[i] = make_float4(0, 0, 0, 0);
return;
}
pix.y -= 0.5f * pix.w;
pix.z -= 0.5f * pix.w;
float3 tmp = yuv2rgb(make_float3(pix.x, pix.y, pix.z));
pix.x = tmp.x;
pix.y = tmp.y;
pix.z = tmp.z;
pix.x = fmaxf(0.0f, pix.x);
pix.y = fmaxf(0.0f, pix.y);
pix.z = fmaxf(0.0f, pix.z);
yuvo2rgb(pix);
float4 opix = pix;
float alpha = powf(pix.w, gamma);

7
cuburn/code/util.py
View File

@ -181,6 +181,13 @@ __device__ uint32_t trunca(float f) {
asm("cvt.rni.s32.f32 %0, %1;" : "=r"(ret) : "f"(f));
return ret;
}
__device__ void scale_float4(float4& pix, float scale) {
pix.x *= scale;
pix.y *= scale;
pix.z *= scale;
pix.w *= scale;
}
''')
def mkbinsearchlib(rounds):