SPIRV-Cross/reference/shaders-msl/comp/image.comp
Ryan Harrison cf1bf1c6ae Update external/ to SPIR-V 1.5
Rolled the hashes used for glslang, SPIRV-Tools, and SPIRV-Headers to
HEAD, which includes the update to 1.5.

Added passing '--amb' to glslang, so I didn't have to explicitly set
bindings in a large number of test shaders that currently don't, and
now glslang considers them invalid.

Marked all shaders that no longer pass spirv-val as .invalid.
2019-09-18 16:04:27 -04:00

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#include <metal_stdlib>
#include <simd/simd.h>
using namespace metal;
constant uint3 gl_WorkGroupSize [[maybe_unused]] = uint3(1u);
kernel void main0(texture2d<float> uImageIn [[texture(0)]], texture2d<float, access::write> uImageOut [[texture(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
float4 v = uImageIn.read(uint2((int2(gl_GlobalInvocationID.xy) + int2(uImageIn.get_width(), uImageIn.get_height()))));
uImageOut.write(v, uint2(int2(gl_GlobalInvocationID.xy)));
}