mirror of https://github.com/PCSX2/pcsx2.git
GS: Cleaned up and commented Motiond Adaptive Deinterlacing shader code
GS: fixed compile error in Metal interlace shader GS fixed more compile errors in Metal interlace shader GS: Adjusted code indentation in interlace shader for all renderers
This commit is contained in:
sideprojectslab
refractionpcsx2
parent
e9d256aa74
commit
64f6bf52b0
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@ -48,124 +48,143 @@ float4 ps_main3(PS_INPUT input) : SV_Target0
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float4 ps_main4(PS_INPUT input) : SV_Target0
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{
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const int vres = int(round(ZrH.z));
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const int idx = int(round(ZrH.x));
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const int bank = idx >> 1;
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const int field = idx & 1;
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const int vpos = int(input.p.y) + (((((vres + 1) >> 1) << 1) - vres) & bank);
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const float2 bofs = float2(0.0f, 0.5f * bank);
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const float2 vscale = float2(1.0f, 2.0f);
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const float2 optr = input.t - bofs;
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const float2 iptr = optr * vscale;
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// We take half the lines from the current frame and stores them in the MAD frame buffer.
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// the MAD frame buffer is split in 2 consecutive banks of 2 fields each, the fields in each bank
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// are interleaved (top field at even lines and bottom field at odd lines).
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// When the source texture has an odd vres, the first line of bank 1 would be an odd index
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// causing the wrong lines to be discarded, so a vertical offset (lofs) is added to the vertical
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// position of the destination texture to force the proper field alignment
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const int idx = int(ZrH.x); // buffer index passed from CPU
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const int bank = idx >> 1; // current bank
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const int field = idx & 1; // current field
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const int vres = int(ZrH.z); // vertical resolution of source texture
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const int lofs = ((((vres + 1) >> 1) << 1) - vres) & bank; // line alignment offset for bank 1
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const int vpos = int(input.p.y) + lofs; // vertical position of destination texture
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const float2 bofs = float2(0.0f, 0.5f * bank); // vertical offset of the current bank relative to source texture size
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const float2 vscale = float2(1.0f, 2.0f); // scaling factor from source to destination texture
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const float2 optr = input.t - bofs; // used to check if the current destination line is within the current bank
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const float2 iptr = optr * vscale; // pointer to the current pixel in the source texture
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// if the index of current destination line belongs to the current fiels we update it, otherwise
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// we leave the old line in the destination buffer
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if ((optr.y >= 0.0f) && (optr.y < 0.5f) && ((vpos & 1) == field))
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return Texture.Sample(Sampler, iptr);
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else
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discard;
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return float4(0.0f, 0.0f, 0.0f, 0.0f);
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}
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float4 ps_main5(PS_INPUT input) : SV_Target0
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{
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const float sensitivity = ZrH.w;
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const float3 motion_thr = float3(1.0, 1.0, 1.0) * sensitivity;
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const float2 vofs = float2(0.0f, 0.5f);
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const float2 vscale = float2(1.0f, 0.5f);
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const int idx = int(round(ZrH.x));
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const int bank = idx >> 1;
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const int field = idx & 1;
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const float2 line_ofs = float2(0.0f, ZrH.y);
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const float2 iptr = input.t * vscale;
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// we use the contents of the MAD frame buffer to reconstruct the missing lines from the current
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// field.
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float2 p_new_cf;
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float2 p_old_cf;
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float2 p_new_af;
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float2 p_old_af;
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const int idx = int(round(ZrH.x)); // buffer index passed from CPU
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const int bank = idx >> 1; // current bank
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const int field = idx & 1; // current field
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const int vpos = int(input.p.y); // vertical position of destination texture
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const float sensitivity = ZrH.w; // passed from CPU, higher values mean more likely to use weave
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const float3 motion_thr = float3(1.0, 1.0, 1.0) * sensitivity; //
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const float2 bofs = float2(0.0f, 0.5f); // position of the bank 1 relative to source texture size
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const float2 vscale = float2(1.0f, 0.5f); // scaling factor from source to destination texture
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const float2 lofs = float2(0.0f, ZrH.y); // distance between two adjacent lines relative to source texture size
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const float2 iptr = input.t * vscale; // pointer to the current pixel in the source texture
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float2 p_t0; // pointer to current pixel (missing or not) from most recent frame
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float2 p_t1; // pointer to current pixel (missing or not) from one frame back
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float2 p_t2; // pointer to current pixel (missing or not) from two frames back
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float2 p_t3; // pointer to current pixel (missing or not) from three frames back
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switch (idx)
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{
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case 0:
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p_new_cf = iptr;
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p_new_af = iptr + vofs;
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p_old_cf = iptr + vofs;
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p_old_af = iptr;
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p_t0 = iptr;
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p_t1 = iptr + bofs;
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p_t2 = iptr + bofs;
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p_t3 = iptr;
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break;
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case 1:
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p_new_cf = iptr;
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p_new_af = iptr;
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p_old_cf = iptr + vofs;
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p_old_af = iptr + vofs;
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p_t0 = iptr;
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p_t1 = iptr;
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p_t2 = iptr + bofs;
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p_t3 = iptr + bofs;
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break;
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case 2:
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p_new_cf = iptr + vofs;
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p_new_af = iptr;
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p_old_cf = iptr;
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p_old_af = iptr + vofs;
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p_t0 = iptr + bofs;
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p_t1 = iptr;
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p_t2 = iptr;
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p_t3 = iptr + bofs;
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break;
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case 3:
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p_new_cf = iptr + vofs;
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p_new_af = iptr + vofs;
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p_old_cf = iptr;
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p_old_af = iptr;
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p_t0 = iptr + bofs;
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p_t1 = iptr + bofs;
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p_t2 = iptr;
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p_t3 = iptr;
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break;
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default:
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break;
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}
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// calculating motion
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// calculating motion, only relevant for missing lines where the "center line" is pointed
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// by p_t1
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float4 hn = Texture.Sample(Sampler, p_new_cf - line_ofs); // high
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float4 cn = Texture.Sample(Sampler, p_new_af); // center
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float4 ln = Texture.Sample(Sampler, p_new_cf + line_ofs); // low
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float4 hn = Texture.Sample(Sampler, p_t0 - lofs); // new high pixel
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float4 cn = Texture.Sample(Sampler, p_t1); // new center pixel
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float4 ln = Texture.Sample(Sampler, p_t0 + lofs); // new low pixel
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float4 ho = Texture.Sample(Sampler, p_old_cf - line_ofs); // high
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float4 co = Texture.Sample(Sampler, p_old_af); // center
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float4 lo = Texture.Sample(Sampler, p_old_cf + line_ofs); // low
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float4 ho = Texture.Sample(Sampler, p_t2 - lofs); // old high pixel
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float4 co = Texture.Sample(Sampler, p_t3); // old center pixel
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float4 lo = Texture.Sample(Sampler, p_t2 + lofs); // old low pixel
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float3 mh = hn.rgb - ho.rgb;
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float3 mc = cn.rgb - co.rgb;
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float3 ml = ln.rgb - lo.rgb;
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float3 mh = hn.rgb - ho.rgb; // high pixel motion
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float3 mc = cn.rgb - co.rgb; // center pixel motion
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float3 ml = ln.rgb - lo.rgb; // low pixel motion
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mh = max(mh, -mh) - motion_thr;
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mc = max(mc, -mc) - motion_thr;
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ml = max(ml, -ml) - motion_thr;
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// float mh_max = max(max(mh.x, mh.y), mh.z);
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// float mc_max = max(max(mc.x, mc.y), mc.z);
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// float ml_max = max(max(ml.x, ml.y), ml.z);
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#if 1 // use this code to evaluate each color motion separately
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float mh_max = max(max(mh.x, mh.y), mh.z);
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float mc_max = max(max(mc.x, mc.y), mc.z);
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float ml_max = max(max(ml.x, ml.y), ml.z);
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#else // use this code to evaluate average color motion
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float mh_max = mh.x + mh.y + mh.z;
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float mc_max = mc.x + mc.y + mc.z;
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float ml_max = ml.x + ml.y + ml.z;
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#endif
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// selecting deinterlacing output
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if (((int(input.p.y) & 1) == field)) // output coordinate present on current field
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if ((vpos & 1) == field)
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{
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return Texture.Sample(Sampler, p_new_cf);
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// output coordinate present on current field
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return Texture.Sample(Sampler, p_t0);
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}
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else if ((iptr.y > 0.5f - line_ofs.y) || (iptr.y < 0.0 + line_ofs.y))
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else if ((iptr.y > 0.5f - lofs.y) || (iptr.y < 0.0 + lofs.y))
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{
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return Texture.Sample(Sampler, p_new_af);
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// top and bottom lines are always weaved
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return cn;
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}
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else
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{
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// missing line needs to be reconstructed
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if (((mh_max > 0.0f) || (ml_max > 0.0f)) || (mc_max > 0.0f))
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{
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// high motion -> interpolate pixels above and below
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return (hn + ln) / 2.0f;
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}
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else
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{
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return Texture.Sample(Sampler, p_new_af);
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// low motion -> weave
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return cn;
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}
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}
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return float4(0.0f, 0.0f, 0.0f, 0.0f);
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}
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#endif
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@ -51,18 +51,27 @@ void ps_main3()
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void ps_main4()
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{
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const int vres = int(round(ZrH.z));
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const int idx = int(round(ZrH.x));
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const int bank = idx >> 1;
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const int field = idx & 1;
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const int vpos = int(gl_FragCoord.y) + (((((vres + 1) >> 1) << 1) - vres) & bank);
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const vec2 bofs = vec2(0.0f, 0.5f * bank);
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const vec2 vscale = vec2(1.0f, 2.0f);
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const vec2 optr = PSin_t - bofs;
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const vec2 iptr = optr * vscale;
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// We take half the lines from the current frame and stores them in the MAD frame buffer.
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// the MAD frame buffer is split in 2 consecutive banks of 2 fields each, the fields in each bank
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// are interleaved (top field at even lines and bottom field at odd lines).
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// When the source texture has an odd vres, the first line of bank 1 would be an odd index
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// causing the wrong lines to be discarded, so a vertical offset (lofs) is added to the vertical
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// position of the destination texture to force the proper field alignment
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const int idx = int(ZrH.x); // buffer index passed from CPU
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const int bank = idx >> 1; // current bank
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const int field = idx & 1; // current field
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const int vres = int(ZrH.z); // vertical resolution of source texture
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const int lofs = ((((vres + 1) >> 1) << 1) - vres) & bank; // line alignment offset for bank 1
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const int vpos = int(gl_FragCoord.y) + lofs; // vertical position of destination texture
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const vec2 bofs = vec2(0.0f, 0.5f * bank); // vertical offset of the current bank relative to source texture size
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const vec2 vscale = vec2(1.0f, 2.0f); // scaling factor from source to destination texture
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const vec2 optr = PSin_t - bofs; // used to check if the current destination line is within the current bank
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const vec2 iptr = optr * vscale; // pointer to the current pixel in the source texture
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// if the index of current destination line belongs to the current fiels we update it, otherwise
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// we leave the old line in the destination buffer
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if ((optr.y >= 0.0f) && (optr.y < 0.5f) && ((vpos & 1) == field))
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//if ((optr.y >= 0.0f) && (optr.y < 0.5f) && (int(iptr.y * vres) & 1) == field)
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SV_Target0 = texture(TextureSampler, iptr);
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else
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discard;
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@ -71,97 +80,110 @@ void ps_main4()
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void ps_main5()
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{
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const float sensitivity = ZrH.w;
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const vec3 motion_thr = vec3(1.0, 1.0, 1.0) * sensitivity;
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const vec2 vofs = vec2(0.0f, 0.5f);
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const vec2 vscale = vec2(1.0f, 0.5f);
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const int idx = int(round(ZrH.x));
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const int bank = idx >> 1;
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const int field = idx & 1;
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const vec2 line_ofs = vec2(0.0f, ZrH.y);
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const vec2 iptr = PSin_t * vscale;
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// we use the contents of the MAD frame buffer to reconstruct the missing lines from the current
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// field.
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vec2 p_new_cf;
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vec2 p_old_cf;
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vec2 p_new_af;
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vec2 p_old_af;
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const int idx = int(round(ZrH.x)); // buffer index passed from CPU
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const int bank = idx >> 1; // current bank
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const int field = idx & 1; // current field
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const int vpos = int(gl_FragCoord.y); // vertical position of destination texture
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const float sensitivity = ZrH.w; // passed from CPU, higher values mean more likely to use weave
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const vec3 motion_thr = vec3(1.0, 1.0, 1.0) * sensitivity; //
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const vec2 bofs = vec2(0.0f, 0.5f); // position of the bank 1 relative to source texture size
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const vec2 vscale = vec2(1.0f, 0.5f); // scaling factor from source to destination texture
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const vec2 lofs = vec2(0.0f, ZrH.y); // distance between two adjacent lines relative to source texture size
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const vec2 iptr = PSin_t * vscale; // pointer to the current pixel in the source texture
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vec2 p_t0; // pointer to current pixel (missing or not) from most recent frame
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vec2 p_t1; // pointer to current pixel (missing or not) from one frame back
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vec2 p_t2; // pointer to current pixel (missing or not) from two frames back
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vec2 p_t3; // pointer to current pixel (missing or not) from three frames back
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switch (idx)
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{
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case 0:
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p_new_cf = iptr;
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p_new_af = iptr + vofs;
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p_old_cf = iptr + vofs;
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p_old_af = iptr;
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p_t0 = iptr;
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p_t1 = iptr + bofs;
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p_t2 = iptr + bofs;
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p_t3 = iptr;
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break;
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case 1:
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p_new_cf = iptr;
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p_new_af = iptr;
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p_old_cf = iptr + vofs;
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p_old_af = iptr + vofs;
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p_t0 = iptr;
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p_t1 = iptr;
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p_t2 = iptr + bofs;
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p_t3 = iptr + bofs;
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break;
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case 2:
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p_new_cf = iptr + vofs;
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p_new_af = iptr;
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p_old_cf = iptr;
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p_old_af = iptr + vofs;
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p_t0 = iptr + bofs;
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p_t1 = iptr;
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p_t2 = iptr;
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p_t3 = iptr + bofs;
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break;
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case 3:
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p_new_cf = iptr + vofs;
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p_new_af = iptr + vofs;
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p_old_cf = iptr;
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p_old_af = iptr;
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p_t0 = iptr + bofs;
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p_t1 = iptr + bofs;
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p_t2 = iptr;
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p_t3 = iptr;
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break;
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default:
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break;
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}
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// calculating motion
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vec4 hn = texture(TextureSampler, p_new_cf - line_ofs); // high
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vec4 cn = texture(TextureSampler, p_new_af); // center
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vec4 ln = texture(TextureSampler, p_new_cf + line_ofs); // low
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// calculating motion, only relevant for missing lines where the "center line" is pointed
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// by p_t1
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vec4 ho = texture(TextureSampler, p_old_cf - line_ofs); // high
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vec4 co = texture(TextureSampler, p_old_af); // center
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vec4 lo = texture(TextureSampler, p_old_cf + line_ofs); // low
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vec4 hn = texture(TextureSampler, p_t0 - lofs); // new high pixel
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vec4 cn = texture(TextureSampler, p_t1); // new center pixel
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vec4 ln = texture(TextureSampler, p_t0 + lofs); // new low pixel
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vec3 mh = hn.rgb - ho.rgb;
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vec3 mc = cn.rgb - co.rgb;
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vec3 ml = ln.rgb - lo.rgb;
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vec4 ho = texture(TextureSampler, p_t2 - lofs); // old high pixel
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vec4 co = texture(TextureSampler, p_t3); // old center pixel
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vec4 lo = texture(TextureSampler, p_t2 + lofs); // old low pixel
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vec3 mh = hn.rgb - ho.rgb; // high pixel motion
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vec3 mc = cn.rgb - co.rgb; // center pixel motion
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vec3 ml = ln.rgb - lo.rgb; // low pixel motion
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mh = max(mh, -mh) - motion_thr;
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mc = max(mc, -mc) - motion_thr;
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ml = max(ml, -ml) - motion_thr;
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// float mh_max = max(max(mh.x, mh.y), mh.z);
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// float mc_max = max(max(mc.x, mc.y), mc.z);
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// float ml_max = max(max(ml.x, ml.y), ml.z);
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#if 1 // use this code to evaluate each color motion separately
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float mh_max = max(max(mh.x, mh.y), mh.z);
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float mc_max = max(max(mc.x, mc.y), mc.z);
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float ml_max = max(max(ml.x, ml.y), ml.z);
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#else // use this code to evaluate average color motion
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float mh_max = mh.x + mh.y + mh.z;
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float mc_max = mc.x + mc.y + mc.z;
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float ml_max = ml.x + ml.y + ml.z;
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#endif
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// selecting deinterlacing output
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if (((int(gl_FragCoord.y) & 1) == field)) // output coordinate present on current field
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if ((vpos & 1) == field)
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{
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SV_Target0 = texture(TextureSampler, p_new_cf);
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// output coordinate present on current field
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SV_Target0 = texture(TextureSampler, p_t0);
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}
|
||||
else if ((iptr.y > 0.5f - line_ofs.y) || (iptr.y < 0.0 + line_ofs.y))
|
||||
else if ((iptr.y > 0.5f - lofs.y) || (iptr.y < 0.0 + lofs.y))
|
||||
{
|
||||
SV_Target0 = texture(TextureSampler, p_new_af);
|
||||
// top and bottom lines are always weaved
|
||||
SV_Target0 = cn;
|
||||
}
|
||||
else
|
||||
{
|
||||
// missing line needs to be reconstructed
|
||||
if(((mh_max > 0.0f) || (ml_max > 0.0f)) || (mc_max > 0.0f))
|
||||
{
|
||||
// high motion -> interpolate pixels above and below
|
||||
SV_Target0 = (hn + ln) / 2.0f;
|
||||
}
|
||||
else
|
||||
{
|
||||
SV_Target0 = texture(TextureSampler, p_new_af);
|
||||
// low motion -> weave
|
||||
SV_Target0 = cn;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -66,16 +66,26 @@ void ps_main3()
|
|||
#ifdef ps_main4
|
||||
void ps_main4()
|
||||
{
|
||||
const int vres = int(round(ZrH.z));
|
||||
const int idx = int(round(ZrH.x));
|
||||
const int bank = idx >> 1;
|
||||
const int field = idx & 1;
|
||||
const int vpos = int(gl_FragCoord.y) + (((((vres + 1) >> 1) << 1) - vres) & bank);
|
||||
const vec2 bofs = vec2(0.0f, 0.5f * bank);
|
||||
const vec2 vscale = vec2(1.0f, 2.0f);
|
||||
const vec2 optr = v_tex - bofs;
|
||||
const vec2 iptr = optr * vscale;
|
||||
// We take half the lines from the current frame and stores them in the MAD frame buffer.
|
||||
// the MAD frame buffer is split in 2 consecutive banks of 2 fields each, the fields in each bank
|
||||
// are interleaved (top field at even lines and bottom field at odd lines).
|
||||
// When the source texture has an odd vres, the first line of bank 1 would be an odd index
|
||||
// causing the wrong lines to be discarded, so a vertical offset (lofs) is added to the vertical
|
||||
// position of the destination texture to force the proper field alignment
|
||||
|
||||
const int idx = int(round(ZrH.x)); // buffer index passed from CPU
|
||||
const int bank = idx >> 1; // current bank
|
||||
const int field = idx & 1; // current field
|
||||
const int vres = int(round(ZrH.z)); // vertical resolution of source texture
|
||||
const int lofs = ((((vres + 1) >> 1) << 1) - vres) & bank; // line alignment offset for bank 1
|
||||
const int vpos = int(gl_FragCoord.y) + lofs; // vertical position of destination texture
|
||||
const vec2 bofs = vec2(0.0f, 0.5f * bank); // vertical offset of the current bank relative to source texture size
|
||||
const vec2 vscale = vec2(1.0f, 2.0f); // scaling factor from source to destination texture
|
||||
const vec2 optr = v_tex - bofs; // used to check if the current destination line is within the current bank
|
||||
const vec2 iptr = optr * vscale; // pointer to the current pixel in the source texture
|
||||
|
||||
// if the index of current destination line belongs to the current fiels we update it, otherwise
|
||||
// we leave the old line in the destination buffer
|
||||
if ((optr.y >= 0.0f) && (optr.y < 0.5f) && ((vpos & 1) == field))
|
||||
o_col0 = texture(samp0, iptr);
|
||||
else
|
||||
|
|
@ -87,99 +97,108 @@ void ps_main4()
|
|||
#ifdef ps_main5
|
||||
void ps_main5()
|
||||
{
|
||||
const float sensitivity = ZrH.w;
|
||||
const vec3 motion_thr = vec3(1.0, 1.0, 1.0) * sensitivity;
|
||||
const vec2 vofs = vec2(0.0f, 0.5f);
|
||||
const vec2 vscale = vec2(1.0f, 0.5f);
|
||||
// we use the contents of the MAD frame buffer to reconstruct the missing lines from the current
|
||||
// field.
|
||||
|
||||
int idx = int(round(ZrH.x));
|
||||
int bank = idx >> 1;
|
||||
int field = idx & 1;
|
||||
vec2 line_ofs = vec2(0.0f, ZrH.y);
|
||||
const int idx = int(round(ZrH.x)); // buffer index passed from CPU
|
||||
const int bank = idx >> 1; // current bank
|
||||
const int field = idx & 1; // current field
|
||||
const int vpos = int(gl_FragCoord.y); // vertical position of destination texture
|
||||
const float sensitivity = ZrH.w; // passed from CPU, higher values mean more likely to use weave
|
||||
const vec3 motion_thr = vec3(1.0, 1.0, 1.0) * sensitivity; //
|
||||
const vec2 bofs = vec2(0.0f, 0.5f); // position of the bank 1 relative to source texture size
|
||||
const vec2 vscale = vec2(1.0f, 0.5f); // scaling factor from source to destination texture
|
||||
const vec2 lofs = vec2(0.0f, ZrH.y); // distance between two adjacent lines relative to source texture size
|
||||
const vec2 iptr = v_tex * vscale; // pointer to the current pixel in the source texture
|
||||
|
||||
vec2 iptr = v_tex * vscale;
|
||||
vec2 p_new_cf = vec2(0.0f, 0.0f);
|
||||
vec2 p_old_cf = vec2(0.0f, 0.0f);
|
||||
vec2 p_new_af = vec2(0.0f, 0.0f);
|
||||
vec2 p_old_af = vec2(0.0f, 0.0f);
|
||||
vec2 p_t0; // pointer to current pixel (missing or not) from most recent frame
|
||||
vec2 p_t1; // pointer to current pixel (missing or not) from one frame back
|
||||
vec2 p_t2; // pointer to current pixel (missing or not) from two frames back
|
||||
vec2 p_t3; // pointer to current pixel (missing or not) from three frames back
|
||||
|
||||
switch (idx)
|
||||
{
|
||||
case 0:
|
||||
p_new_cf = iptr;
|
||||
p_new_af = iptr + vofs;
|
||||
p_old_cf = iptr + vofs;
|
||||
p_old_af = iptr;
|
||||
p_t0 = iptr;
|
||||
p_t1 = iptr + bofs;
|
||||
p_t2 = iptr + bofs;
|
||||
p_t3 = iptr;
|
||||
break;
|
||||
case 1:
|
||||
p_new_cf = iptr;
|
||||
p_new_af = iptr;
|
||||
p_old_cf = iptr + vofs;
|
||||
p_old_af = iptr + vofs;
|
||||
p_t0 = iptr;
|
||||
p_t1 = iptr;
|
||||
p_t2 = iptr + bofs;
|
||||
p_t3 = iptr + bofs;
|
||||
break;
|
||||
case 2:
|
||||
p_new_cf = iptr + vofs;
|
||||
p_new_af = iptr;
|
||||
p_old_cf = iptr;
|
||||
p_old_af = iptr + vofs;
|
||||
p_t0 = iptr + bofs;
|
||||
p_t1 = iptr;
|
||||
p_t2 = iptr;
|
||||
p_t3 = iptr + bofs;
|
||||
break;
|
||||
case 3:
|
||||
p_new_cf = iptr + vofs;
|
||||
p_new_af = iptr + vofs;
|
||||
p_old_cf = iptr;
|
||||
p_old_af = iptr;
|
||||
p_t0 = iptr + bofs;
|
||||
p_t1 = iptr + bofs;
|
||||
p_t2 = iptr;
|
||||
p_t3 = iptr;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// calculating motion
|
||||
// calculating motion, only relevant for missing lines where the "center line" is pointed
|
||||
// by p_t1
|
||||
|
||||
vec4 hn = texture(samp0, p_new_cf - line_ofs); // high
|
||||
vec4 cn = texture(samp0, p_new_af); // center
|
||||
vec4 ln = texture(samp0, p_new_cf + line_ofs); // low
|
||||
vec4 hn = texture(samp0, p_t0 - lofs); // new high pixel
|
||||
vec4 cn = texture(samp0, p_t1); // new center pixel
|
||||
vec4 ln = texture(samp0, p_t0 + lofs); // new low pixel
|
||||
|
||||
vec4 ho = texture(samp0, p_old_cf - line_ofs); // high
|
||||
vec4 co = texture(samp0, p_old_af); // center
|
||||
vec4 lo = texture(samp0, p_old_cf + line_ofs); // low
|
||||
vec4 ho = texture(samp0, p_t2 - lofs); // old high pixel
|
||||
vec4 co = texture(samp0, p_t3); // old center pixel
|
||||
vec4 lo = texture(samp0, p_t2 + lofs); // old low pixel
|
||||
|
||||
vec3 mh = hn.rgb - ho.rgb;
|
||||
vec3 mc = cn.rgb - co.rgb;
|
||||
vec3 ml = ln.rgb - lo.rgb;
|
||||
vec3 mh = hn.rgb - ho.rgb; // high pixel motion
|
||||
vec3 mc = cn.rgb - co.rgb; // center pixel motion
|
||||
vec3 ml = ln.rgb - lo.rgb; // low pixel motion
|
||||
|
||||
mh = max(mh, -mh) - motion_thr;
|
||||
mc = max(mc, -mc) - motion_thr;
|
||||
ml = max(ml, -ml) - motion_thr;
|
||||
|
||||
|
||||
// float mh_max = max(max(mh.x, mh.y), mh.z);
|
||||
// float mc_max = max(max(mc.x, mc.y), mc.z);
|
||||
// float ml_max = max(max(ml.x, ml.y), ml.z);
|
||||
|
||||
#if 1 // use this code to evaluate each color motion separately
|
||||
float mh_max = max(max(mh.x, mh.y), mh.z);
|
||||
float mc_max = max(max(mc.x, mc.y), mc.z);
|
||||
float ml_max = max(max(ml.x, ml.y), ml.z);
|
||||
#else // use this code to evaluate average color motion
|
||||
float mh_max = mh.x + mh.y + mh.z;
|
||||
float mc_max = mc.x + mc.y + mc.z;
|
||||
float ml_max = ml.x + ml.y + ml.z;
|
||||
#endif
|
||||
|
||||
// selecting deinterlacing output
|
||||
|
||||
if (((int(gl_FragCoord.y) & 1) == field)) // output coordinate present on current field
|
||||
if ((vpos & 1) == field) // output coordinate present on current field
|
||||
{
|
||||
o_col0 = texture(samp0, p_new_cf);
|
||||
|
||||
// output coordinate present on current field
|
||||
o_col0 = texture(samp0, p_t0);
|
||||
}
|
||||
else if ((iptr.y > 0.5f - line_ofs.y) || (iptr.y < 0.0 + line_ofs.y))
|
||||
else if ((iptr.y > 0.5f - lofs.y) || (iptr.y < 0.0 + lofs.y))
|
||||
{
|
||||
o_col0 = texture(samp0, p_new_af);
|
||||
// top and bottom lines are always weaved
|
||||
o_col0 = cn;
|
||||
}
|
||||
else
|
||||
{
|
||||
// missing line needs to be reconstructed
|
||||
if(((mh_max > 0.0f) || (ml_max > 0.0f)) || (mc_max > 0.0f))
|
||||
{
|
||||
// high motion -> interpolate pixels above and below
|
||||
o_col0 = (hn + ln) / 2.0f;
|
||||
}
|
||||
else
|
||||
{
|
||||
o_col0 = texture(samp0, p_new_af);
|
||||
// low motion -> weave
|
||||
o_col0 = cn;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -51,82 +51,94 @@ fragment float4 ps_interlace3(ConvertShaderData data [[stage_in]], ConvertPSRes
|
|||
fragment float4 ps_interlace4(ConvertShaderData data [[stage_in]], ConvertPSRes res,
|
||||
constant GSMTLInterlacePSUniform& uniform [[buffer(GSMTLBufferIndexUniforms)]])
|
||||
{
|
||||
const int vres = int(round(uniform.ZrH.z));
|
||||
const int idx = int(round(uniform.ZrH.x));
|
||||
const int bank = idx >> 1;
|
||||
const int field = idx & 1;
|
||||
const int vpos = int(data.p.y) + (((((vres + 1) >> 1) << 1) - vres) & bank);
|
||||
const float2 bofs = float2(0.0f, 0.5f * bank);
|
||||
const float2 vscale = float2(1.0f, 2.0f);
|
||||
const float2 optr = data.t - bofs;
|
||||
const float2 iptr = optr * vscale;
|
||||
// We take half the lines from the current frame and stores them in the MAD frame buffer.
|
||||
// the MAD frame buffer is split in 2 consecutive banks of 2 fields each, the fields in each bank
|
||||
// are interleaved (top field at even lines and bottom field at odd lines).
|
||||
// When the source texture has an odd vres, the first line of bank 1 would be an odd index
|
||||
// causing the wrong lines to be discarded, so a vertical offset (lofs) is added to the vertical
|
||||
// position of the destination texture to force the proper field alignment
|
||||
|
||||
const int idx = int(round(uniform.ZrH.x)); // buffer index passed from CPU
|
||||
const int bank = idx >> 1; // current bank
|
||||
const int field = idx & 1; // current field
|
||||
const int vres = int(round(uniform.ZrH.z)); // vertical resolution of source texture
|
||||
const int lofs = ((((vres + 1) >> 1) << 1) - vres) & bank; // line alignment offset for bank 1
|
||||
const int vpos = int(data.p.y) + lofs; // vertical position of destination texture
|
||||
const float2 bofs = float2(0.0f, 0.5f * bank); // vertical offset of the current bank relative to source texture size
|
||||
const float2 vscale = float2(1.0f, 2.0f); // scaling factor from source to destination texture
|
||||
const float2 optr = data.t - bofs; // used to check if the current destination line is within the current bank
|
||||
const float2 iptr = optr * vscale; // pointer to the current pixel in the source texture
|
||||
|
||||
// if the index of current destination line belongs to the current fiels we update it, otherwise
|
||||
// we leave the old line in the destination buffer
|
||||
if ((optr.y >= 0.0f) && (optr.y < 0.5f) && ((vpos & 1) == field))
|
||||
return res.sample(iptr);
|
||||
else
|
||||
discard_fragment();
|
||||
|
||||
return float4(0.0f, 0.0f, 0.0f, 0.0f);
|
||||
|
||||
}
|
||||
|
||||
fragment float4 ps_interlace5(ConvertShaderData data [[stage_in]], ConvertPSRes res,
|
||||
constant GSMTLInterlacePSUniform& uniform [[buffer(GSMTLBufferIndexUniforms)]])
|
||||
{
|
||||
const float sensitivity = uniform.ZrH.w;
|
||||
const float3 motion_thr = float3(1.0, 1.0, 1.0) * sensitivity;
|
||||
const float2 vofs = float2(0.0f, 0.5f);
|
||||
const float2 vscale = float2(1.0f, 0.5f);
|
||||
const int idx = int(round(uniform.ZrH.x));
|
||||
const int bank = idx >> 1;
|
||||
const int field = idx & 1;
|
||||
const float2 line_ofs = float2(0.0f, uniform.ZrH.y);
|
||||
const float2 iptr = data.t * vscale;
|
||||
const int idx = int(round(uniform.ZrH.x)); // buffer index passed from CPU
|
||||
const int bank = idx >> 1; // current bank
|
||||
const int field = idx & 1; // current field
|
||||
const int vpos = int(data.p.y); // vertical position of destination texture
|
||||
const float sensitivity = uniform.ZrH.w; // passed from CPU, higher values mean more likely to use weave
|
||||
const float3 motion_thr = float3(1.0, 1.0, 1.0) * sensitivity; //
|
||||
const float2 bofs = float2(0.0f, 0.5f); // position of the bank 1 relative to source texture size
|
||||
const float2 vscale = float2(1.0f, 0.5f); // scaling factor from source to destination texture
|
||||
const float2 lofs = float2(0.0f, uniform.ZrH.y); // distance between two adjacent lines relative to source texture size
|
||||
const float2 iptr = data.t * vscale; // pointer to the current pixel in the source texture
|
||||
|
||||
float2 p_new_cf;
|
||||
float2 p_old_cf;
|
||||
float2 p_new_af;
|
||||
float2 p_old_af;
|
||||
|
||||
float2 p_t0; // pointer to current pixel (missing or not) from most recent frame
|
||||
float2 p_t1; // pointer to current pixel (missing or not) from one frame back
|
||||
float2 p_t2; // pointer to current pixel (missing or not) from two frames back
|
||||
float2 p_t3; // pointer to current pixel (missing or not) from three frames back
|
||||
|
||||
switch (idx)
|
||||
{
|
||||
case 0:
|
||||
p_new_cf = iptr;
|
||||
p_new_af = iptr + vofs;
|
||||
p_old_cf = iptr + vofs;
|
||||
p_old_af = iptr;
|
||||
p_t0 = iptr;
|
||||
p_t1 = iptr + bofs;
|
||||
p_t2 = iptr + bofs;
|
||||
p_t3 = iptr;
|
||||
break;
|
||||
case 1:
|
||||
p_new_cf = iptr;
|
||||
p_new_af = iptr;
|
||||
p_old_cf = iptr + vofs;
|
||||
p_old_af = iptr + vofs;
|
||||
p_t0 = iptr;
|
||||
p_t1 = iptr;
|
||||
p_t2 = iptr + bofs;
|
||||
p_t3 = iptr + bofs;
|
||||
break;
|
||||
case 2:
|
||||
p_new_cf = iptr + vofs;
|
||||
p_new_af = iptr;
|
||||
p_old_cf = iptr;
|
||||
p_old_af = iptr + vofs;
|
||||
p_t0 = iptr + bofs;
|
||||
p_t1 = iptr;
|
||||
p_t2 = iptr;
|
||||
p_t3 = iptr + bofs;
|
||||
break;
|
||||
case 3:
|
||||
p_new_cf = iptr + vofs;
|
||||
p_new_af = iptr + vofs;
|
||||
p_old_cf = iptr;
|
||||
p_old_af = iptr;
|
||||
p_t0 = iptr + bofs;
|
||||
p_t1 = iptr + bofs;
|
||||
p_t2 = iptr;
|
||||
p_t3 = iptr;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
// calculating motion
|
||||
// calculating motion, only relevant for missing lines where the "center line" is pointed
|
||||
// by p_t1
|
||||
|
||||
float4 hn = res.sample(p_new_cf - line_ofs); // high
|
||||
float4 cn = res.sample(p_new_af); // center
|
||||
float4 ln = res.sample(p_new_cf + line_ofs); // low
|
||||
float4 hn = res.sample(p_t0 - lofs); // new high pixel
|
||||
float4 cn = res.sample(p_t1); // new center pixel
|
||||
float4 ln = res.sample(p_t0 + lofs); // new low pixel
|
||||
|
||||
float4 ho = res.sample(p_old_cf - line_ofs); // high
|
||||
float4 co = res.sample(p_old_af); // center
|
||||
float4 lo = res.sample(p_old_cf + line_ofs); // low
|
||||
float4 ho = res.sample(p_t2 - lofs); // old high pixel
|
||||
float4 co = res.sample(p_t3); // old center pixel
|
||||
float4 lo = res.sample(p_t2 + lofs); // old low pixel
|
||||
|
||||
float3 mh = hn.rgb - ho.rgb;
|
||||
float3 mc = cn.rgb - co.rgb;
|
||||
|
|
@ -136,34 +148,40 @@ fragment float4 ps_interlace5(ConvertShaderData data [[stage_in]], ConvertPSRes
|
|||
mc = max(mc, -mc) - motion_thr;
|
||||
ml = max(ml, -ml) - motion_thr;
|
||||
|
||||
|
||||
// float mh_max = max(max(mh.x, mh.y), mh.z);
|
||||
// float mc_max = max(max(mc.x, mc.y), mc.z);
|
||||
// float ml_max = max(max(ml.x, ml.y), ml.z);
|
||||
|
||||
#if 1 // use this code to evaluate each color motion separately
|
||||
float mh_max = max(max(mh.x, mh.y), mh.z);
|
||||
float mc_max = max(max(mc.x, mc.y), mc.z);
|
||||
float ml_max = max(max(ml.x, ml.y), ml.z);
|
||||
#else // use this code to evaluate average color motion
|
||||
float mh_max = mh.x + mh.y + mh.z;
|
||||
float mc_max = mc.x + mc.y + mc.z;
|
||||
float ml_max = ml.x + ml.y + ml.z;
|
||||
#endif
|
||||
|
||||
// selecting deinterlacing output
|
||||
|
||||
if (((int(data.p.y) & 1) == field)) // output coordinate present on current field
|
||||
if ((vpos & 1) == field)
|
||||
{
|
||||
return res.sample(p_new_cf);
|
||||
// output coordinate present on current field
|
||||
return res.sample(p_t0);
|
||||
}
|
||||
else if ((iptr.y > 0.5f - line_ofs.y) || (iptr.y < 0.0 + line_ofs.y))
|
||||
else if ((iptr.y > 0.5f - lofs.y) || (iptr.y < 0.0 + lofs.y))
|
||||
{
|
||||
return res.sample(p_new_af);
|
||||
// top and bottom lines are always weaved
|
||||
return cn;
|
||||
}
|
||||
else
|
||||
{
|
||||
// missing line needs to be reconstructed
|
||||
if (((mh_max > 0.0f) || (ml_max > 0.0f)) || (mc_max > 0.0f))
|
||||
{
|
||||
// high motion -> interpolate pixels above and below
|
||||
return (hn + ln) / 2.0f;
|
||||
}
|
||||
else
|
||||
{
|
||||
return res.sample(p_new_af);
|
||||
// low motion -> weave
|
||||
return cn;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue