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#pragma once
// Catalog of every named pattern the C++ side knows. Mirrors the
// shape of format_catalog.h. The X-macro is a list of
// (Label, RgbType, YuvType, "name") rows:
//
// X(Label, RgbType, YuvType, "name")
//
// `Label` is the C++ identifier doubling as the PatternId enum value
// and the s_pattern_caps[] index. `RgbType` and `YuvType` resolve to
// classes in `pixpat::patterns::` (defined in pattern.h) that satisfy
// the pattern interface (sample(), Pixel) — one per color kind. Use
// `void` if the pattern has no variant in that kind. At least one
// must be non-void. When both are present, dispatch_draw_pattern
// picks the variant matching the sink's color kind so the cross-kind
// pass is a no-op; when only one is present, the pipeline runs the
// cross-kind pass for the opposite-kind sinks. `name` is the
// lowercase identifier exposed via the C ABI.
//
// Adding a pattern = a row here AND its class(es) in pattern.h. The
// codegen (pixpat-native/codegen/gen_pixpat.py) parses this X-macro
// to learn the pattern set; pixpat_pattern.cpp re-expands it to build
// the dispatch arms and the default-pattern fallback.
#include <cstddef>
#include <cstdint>
namespace pixpat
{
#define PIXPAT_PATTERN_LIST(X) \
X(Kmstest, Kmstest, void, "kmstest") \
X(Smpte, void, Smpte, "smpte") \
X(Plain, Plain, void, "plain") \
X(Checker, Checker, void, "checker") \
X(Hramp, Hramp, void, "hramp") \
X(Vramp, Vramp, void, "vramp") \
X(HBar, HBarRGB, HBarYUV, "hbar") \
X(VBar, VBarRGB, VBarYUV, "vbar") \
X(Dramp, Dramp, void, "dramp") \
X(Zoneplate, Zoneplate, void, "zoneplate")
enum class PatternId : uint8_t {
#define X(label, rgb, yuv, name) label,
PIXPAT_PATTERN_LIST(X)
#undef X
Unknown,
};
struct PatternEntry {
const char* name;
PatternId id;
};
inline constexpr PatternEntry s_pattern_table[] = {
#define X(label, rgb, yuv, name) { name, PatternId::label },
PIXPAT_PATTERN_LIST(X)
#undef X
};
inline constexpr size_t s_pattern_catalog_count =
sizeof(s_pattern_table) / sizeof(s_pattern_table[0]);
} // namespace pixpat
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