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Ensures direct luminance -> 'RGB' video doesn't go down the composition pipeline.

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This commit is contained in:
Thomas Harte 2020-09-10 13:20:40 -04:00
parent edf8cf4dc6
commit d7b405c6f8
1 changed files with 7 additions and 12 deletions

19
OSBindings/Mac/Clock Signal/ScanTarget/CSScanTarget.mm

@ -598,15 +598,10 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
id<MTLLibrary> library = [_view.device newDefaultLibrary];
MTLRenderPipelineDescriptor *pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init];
// Occasions when the composition buffer isn't required are slender:
//
// (i) input and output are both RGB; or
// (i) output is composite monochrome.
// Occasions when the composition buffer isn't required are slender: the output must be neither RGB nor composite monochrome.
const bool isComposition =
(
(natural_display_type_for_data_type(modals.input_data_type) != Outputs::Display::DisplayType::RGB) ||
(modals.display_type != Outputs::Display::DisplayType::RGB)
) && modals.display_type != Outputs::Display::DisplayType::CompositeMonochrome;
modals.display_type != Outputs::Display::DisplayType::RGB &&
modals.display_type != Outputs::Display::DisplayType::CompositeMonochrome;
const bool isSVideoOutput = modals.display_type == Outputs::Display::DisplayType::SVideo;
if(!isComposition) {
@ -632,12 +627,12 @@ using BufferingScanTarget = Outputs::Display::BufferingScanTarget;
};
const FragmentSamplerDictionary samplerDictionary[8] = {
// Composite formats.
{@"compositeSampleLuminance1", nil, @"sampleLuminance1", @"sampleLuminance1"},
{@"compositeSampleLuminance8", nil, @"sampleLuminance8", @"sampleLuminance8WithGamma"},
{@"compositeSamplePhaseLinkedLuminance8", nil, @"samplePhaseLinkedLuminance8", @"samplePhaseLinkedLuminance8WithGamma"},
{@"compositeSampleLuminance1", nil, @"sampleLuminance1", @"sampleLuminance1", @"sampleLuminance1", @"sampleLuminance1"},
{@"compositeSampleLuminance8", nil, @"sampleLuminance8", @"sampleLuminance8WithGamma", @"sampleLuminance8", @"sampleLuminance8WithGamma"},
{@"compositeSamplePhaseLinkedLuminance8", nil, @"samplePhaseLinkedLuminance8", @"samplePhaseLinkedLuminance8WithGamma", @"samplePhaseLinkedLuminance8", @"samplePhaseLinkedLuminance8WithGamma"},
// S-Video formats.
{@"compositeSampleLuminance8Phase8", @"sampleLuminance8Phase8", @"directCompositeSampleLuminance8Phase8", @"directCompositeSampleLuminance8Phase8WithGamma"},
{@"compositeSampleLuminance8Phase8", @"sampleLuminance8Phase8", @"directCompositeSampleLuminance8Phase8", @"directCompositeSampleLuminance8Phase8WithGamma", @"directCompositeSampleLuminance8Phase8", @"directCompositeSampleLuminance8Phase8WithGamma"},
// RGB formats.
{@"compositeSampleRed1Green1Blue1", @"svideoSampleRed1Green1Blue1", @"directCompositeSampleRed1Green1Blue1", @"directCompositeSampleRed1Green1Blue1WithGamma", @"sampleRed1Green1Blue1", @"sampleRed1Green1Blue1"},