52 lines
1.5 KiB
Plaintext
52 lines
1.5 KiB
Plaintext
#include <metal_stdlib>
|
|
|
|
using namespace metal;
|
|
struct Uniforms {
|
|
/* 0x0000 */ uint dstTextureFlipY;
|
|
/* 0x0004 */ uint isFloat16;
|
|
/* 0x0008 */ uint isRGB10A2Unorm;
|
|
/* 0x000c */ uint channelCount;
|
|
};
|
|
struct OutputBuf {
|
|
/* 0x0000 */ uint result[1];
|
|
};
|
|
|
|
uint ConvertToFp16FloatValue(float fp32) {
|
|
return 1u;
|
|
}
|
|
|
|
kernel void tint_symbol(texture2d<float, access::sample> tint_symbol_2 [[texture(0)]], texture2d<float, access::sample> tint_symbol_3 [[texture(1)]], uint3 GlobalInvocationID [[thread_position_in_grid]], constant Uniforms& uniforms [[buffer(3)]], device OutputBuf& output [[buffer(2)]]) {
|
|
int2 size = int2(tint_symbol_2.get_width(), tint_symbol_2.get_height());
|
|
int2 dstTexCoord = int2(GlobalInvocationID.xy);
|
|
int2 srcTexCoord = dstTexCoord;
|
|
if ((uniforms.dstTextureFlipY == 1u)) {
|
|
srcTexCoord.y = ((size.y - dstTexCoord.y) - 1);
|
|
}
|
|
float4 srcColor = tint_symbol_2.read(uint2(srcTexCoord), 0);
|
|
float4 dstColor = tint_symbol_3.read(uint2(dstTexCoord), 0);
|
|
bool success = true;
|
|
uint4 srcColorBits = 0u;
|
|
uint4 dstColorBits = uint4(dstColor);
|
|
{
|
|
uint i = 0u;
|
|
while (true) {
|
|
if (!((i < uniforms.channelCount))) {
|
|
break;
|
|
}
|
|
srcColorBits[i] = ConvertToFp16FloatValue(srcColor[i]);
|
|
success = (success && (srcColorBits[i] == dstColorBits[i]));
|
|
{
|
|
i = (i + 1u);
|
|
}
|
|
}
|
|
}
|
|
uint outputIndex = ((GlobalInvocationID.y * uint(size.x)) + GlobalInvocationID.x);
|
|
if (success) {
|
|
output.result[outputIndex] = uint(1);
|
|
} else {
|
|
output.result[outputIndex] = uint(0);
|
|
}
|
|
return;
|
|
}
|
|
|