renderer/shaders/metal/draw.metal

#define VERTEX
#define FRAGMENT
#
#include <metal_stdlib>

#include "../../../out/obj/generated/metal.minified.glsl"
#include "../../../out/obj/generated/common.minified.glsl"

#define ENABLE_ADVANCED_BLEND
#include "../../../out/obj/generated/advanced_blend.minified.glsl"
#define ENABLE_HSL_BLEND_MODES
#include "../../../out/obj/generated/advanced_blend.minified.glsl"
#undef ENABLE_HSL_BLEND_MODES
#undef ENABLE_ADVANCED_BLEND

// Compile all combinations of flags into a single compilation unit.
//
// Namespaces beginning in 'r' indicate the normal Rive renderer.
//
// Namespaces beginning in 't' indicate the special case when we draw non-overlapping interior
// triangles.
//
// Each combination of shader features gets added to a namespace whose name has the following bits
// set for each flag:
//     ENABLE_ADVANCED_BLEND:   r0001 / t0001
//     ENABLE_PATH_CLIPPING:    r0010 / t0010
//     ENABLE_EVEN_ODD:         r0100 / t0100
//     ENABLE_HSL_BLEND_MODES:  r1000 / t1000

// 4-bit "Gray Code": enumerate all bit combinations by only modifying one single bit each step.
//     0000
//     0001
//     0011
//     0010
//     0110
//     0111
//     0101
//     0100
//     1100
//     1101
//     1111
//     1110
//     1010
//     1011
//     1001
//     1000

// Vertex and fragment combinations.
namespace r0000
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0000
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#define ENABLE_ADVANCED_BLEND
namespace r0001
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0001
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#define ENABLE_PATH_CLIPPING
namespace r0011
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0011
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#undef ENABLE_ADVANCED_BLEND
namespace r0010
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0010
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

// Fragment-only combinations.
#undef VERTEX
#define ENABLE_EVEN_ODD
namespace r0110
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0110
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#define ENABLE_ADVANCED_BLEND
namespace r0111
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0111
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#undef ENABLE_PATH_CLIPPING
namespace r0101
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0101
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#undef ENABLE_ADVANCED_BLEND
namespace r0100
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t0100
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#define ENABLE_HSL_BLEND_MODES
// namespace r1100
// HSL blend without advanced blend doesn't happen.

#define ENABLE_ADVANCED_BLEND
namespace r1101
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t1101
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#define ENABLE_PATH_CLIPPING
namespace r1111
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t1111
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#undef ENABLE_ADVANCED_BLEND
// namespace r1110
// HSL blend without advanced blend doesn't happen.

#undef ENABLE_EVEN_ODD
// namespace r1010
// HSL blend without advanced blend doesn't happen.

#define ENABLE_ADVANCED_BLEND
namespace r1011
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t1011
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#undef ENABLE_PATH_CLIPPING
namespace r1001
{
#include "../../../out/obj/generated/draw.minified.glsl"
}
namespace t1001
{
#define DRAW_INTERIOR_TRIANGLES
#include "../../../out/obj/generated/draw.minified.glsl"
#undef DRAW_INTERIOR_TRIANGLES
}

#undef ENABLE_ADVANCED_BLEND
// namespace r1000
// HSL blend without advanced blend doesn't happen.