SPIRV-Cross/reference/shaders-msl/asm/vert/clip-distance-plain-variable.no-user-varying.asm.vert
Hans-Kristian Arntzen ebf463674d MSL: Allow removing clip distance user varyings.
Only safe if user knows that subsequent shader stage will not read clip
distance.
2020-04-20 09:58:40 +02:00

46 lines
828 B
GLSL

#pragma clang diagnostic ignored "-Wmissing-prototypes"
#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
struct VSOut
{
float4 pos;
float2 clip;
};
struct main0_out
{
float4 gl_Position [[position]];
float gl_ClipDistance [[clip_distance]] [2];
};
struct main0_in
{
float4 pos [[attribute(0)]];
};
static inline __attribute__((always_inline))
VSOut _main(thread const float4& pos)
{
VSOut vout;
vout.pos = pos;
vout.clip = pos.xy;
return vout;
}
vertex main0_out main0(main0_in in [[stage_in]])
{
main0_out out = {};
float4 pos = in.pos;
float4 param = pos;
VSOut flattenTemp = _main(param);
out.gl_Position = flattenTemp.pos;
out.gl_ClipDistance[0] = flattenTemp.clip.x;
out.gl_ClipDistance[1] = flattenTemp.clip.y;
return out;
}