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Differential D13910 Diff 47374 source/blender/draw/intern/shaders/common_smaa_lib.glsl

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source/blender/draw/intern/shaders/common_smaa_lib.glsl

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float Ltop = dot(SMAASamplePoint(colorTex, offset[0].zw).rgba, weights); float Ltop = dot(SMAASamplePoint(colorTex, offset[0].zw).rgba, weights);
// We do the usual threshold: // We do the usual threshold:
float4 delta; float4 delta;
delta.xy = abs(L - float2(Lleft, Ltop)); delta.xy = abs(L - float2(Lleft, Ltop));
float2 edges = step(threshold, delta.xy); float2 edges = step(threshold, delta.xy);
# ifndef SMAA_NO_DISCARD # ifndef SMAA_NO_DISCARD
# ifdef GPU_FRAGMENT_SHADER
// Then discard if there is no edge: // Then discard if there is no edge:
if (dot(edges, float2(1.0, 1.0)) == 0.0) if (dot(edges, float2(1.0, 1.0)) == 0.0)
discard; discard;
# endif # endif
# endif
// Calculate right and bottom deltas: // Calculate right and bottom deltas:
float Lright = dot(SMAASamplePoint(colorTex, offset[1].xy).rgba, weights); float Lright = dot(SMAASamplePoint(colorTex, offset[1].xy).rgba, weights);
float Lbottom = dot(SMAASamplePoint(colorTex, offset[1].zw).rgba, weights); float Lbottom = dot(SMAASamplePoint(colorTex, offset[1].zw).rgba, weights);
delta.zw = abs(L - float2(Lright, Lbottom)); delta.zw = abs(L - float2(Lright, Lbottom));
// Calculate the maximum delta in the direct neighborhood: // Calculate the maximum delta in the direct neighborhood:
float2 maxDelta = max(delta.xy, delta.zw); float2 maxDelta = max(delta.xy, delta.zw);
▲ Show 20 Lines • Show All 48 Lines • ▼ Show 20 Lines# endif
float3 Ctop = SMAASamplePoint(colorTex, offset[0].zw).rgb; float3 Ctop = SMAASamplePoint(colorTex, offset[0].zw).rgb;
t = abs(C - Ctop); t = abs(C - Ctop);
delta.y = max(max(t.r, t.g), t.b); delta.y = max(max(t.r, t.g), t.b);
// We do the usual threshold: // We do the usual threshold:
float2 edges = step(threshold, delta.xy); float2 edges = step(threshold, delta.xy);
# ifndef SMAA_NO_DISCARD # ifndef SMAA_NO_DISCARD
# ifdef GPU_FRAGMENT_SHADER
// Then discard if there is no edge: // Then discard if there is no edge:
if (dot(edges, float2(1.0, 1.0)) == 0.0) if (dot(edges, float2(1.0, 1.0)) == 0.0)
discard; discard;
# endif # endif
# endif
// Calculate right and bottom deltas: // Calculate right and bottom deltas:
float3 Cright = SMAASamplePoint(colorTex, offset[1].xy).rgb; float3 Cright = SMAASamplePoint(colorTex, offset[1].xy).rgb;
t = abs(C - Cright); t = abs(C - Cright);
delta.z = max(max(t.r, t.g), t.b); delta.z = max(max(t.r, t.g), t.b);
float3 Cbottom = SMAASamplePoint(colorTex, offset[1].zw).rgb; float3 Cbottom = SMAASamplePoint(colorTex, offset[1].zw).rgb;
t = abs(C - Cbottom); t = abs(C - Cbottom);
Show All 27 Lines
* Depth Edge Detection * Depth Edge Detection
*/ */
float2 SMAADepthEdgeDetectionPS(float2 texcoord, float4 offset[3], SMAATexture2D(depthTex)) float2 SMAADepthEdgeDetectionPS(float2 texcoord, float4 offset[3], SMAATexture2D(depthTex))
{ {
float3 neighbours = SMAAGatherNeighbours(texcoord, offset, SMAATexturePass2D(depthTex)); float3 neighbours = SMAAGatherNeighbours(texcoord, offset, SMAATexturePass2D(depthTex));
float2 delta = abs(neighbours.xx - float2(neighbours.y, neighbours.z)); float2 delta = abs(neighbours.xx - float2(neighbours.y, neighbours.z));
float2 edges = step(SMAA_DEPTH_THRESHOLD, delta); float2 edges = step(SMAA_DEPTH_THRESHOLD, delta);
# ifdef GPU_FRAGMENT_SHADER
if (dot(edges, float2(1.0, 1.0)) == 0.0) if (dot(edges, float2(1.0, 1.0)) == 0.0)
discard; discard;
# endif
return edges; return edges;
} }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
// Diagonal Search Functions // Diagonal Search Functions
# if !defined(SMAA_DISABLE_DIAG_DETECTION) # if !defined(SMAA_DISABLE_DIAG_DETECTION)
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