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[Experimentally] introduces blending between computed S-Video fragments.

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This commit is contained in:
Thomas Harte 2020-09-01 21:37:36 -04:00
parent bf252b8061
commit f2929230a2
2 changed files with 3 additions and 5 deletions
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2
OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm
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@ -593,7 +593,7 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
pipelineDescriptor.vertexFunction = [library newFunctionWithName:_pipeline == Pipeline::DirectToDisplay ? @"scanToDisplay" : @"lineToDisplay"];
if(_pipeline != Pipeline::DirectToDisplay) {
pipelineDescriptor.fragmentFunction = [library newFunctionWithName:@"copyFragment"];
pipelineDescriptor.fragmentFunction = [library newFunctionWithName:@"interpolateFragment"];
} else {
const bool isRGBOutput = modals.display_type == Outputs::Display::DisplayType::RGB;
pipelineDescriptor.fragmentFunction =

6
OSBindings/Mac/Clock Signal/ScanTarget/ScanTarget.metal
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@ -97,17 +97,15 @@ struct SourceInterpolator {
float2 textureLocation(constant Line *line, float offset, constant Uniforms &uniforms) {
return float2(
uniforms.cycleMultiplier * mix(line->endPoints[0].cyclesSinceRetrace, line->endPoints[1].cyclesSinceRetrace, offset),
line->line);
line->line + 0.5f);
}
float2 textureLocation(constant Scan *scan, float offset, constant Uniforms &) {
return float2(
mix(scan->endPoints[0].dataOffset, scan->endPoints[1].dataOffset, offset),
scan->dataY);
scan->dataY + 0.5f);
}
// TODO: add 0.5f to the y coordinates above to ensure the middle of each line is hit?
template <typename Input> SourceInterpolator toDisplay(
constant Uniforms &uniforms [[buffer(1)]],
constant Input *inputs [[buffer(0)]],