AuroraMiddleware/SPIRV-Cross
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SPIRV-Cross/reference/opt/shaders/asm/frag/vector-shuffle-oom.asm.frag
Hans-Kristian Arntzen 461f1506e7 Do not eagerly invalidate all active variables on a branch. 
This is not necessary, as we must emit an invalidating store before we
potentially consume an invalid expression. In fact, we're a bit
conservative here in this case for example:

int tmp = variable;
if (...)
{
    variable = 10;
}
else
{
    // Consuming tmp here is fine, but it was
    // invalidated while emitting other branch.
    // Technically, we need to study if there is an invalidating store
    // in the CFG between the loading block and this block, and the other
    // branch will not be a part of that analysis.
    int tmp2 = tmp * tmp;
}

Fixing this case means complex CFG traversal *everywhere*, and it feels like overkill.

Fixing this exposed a bug with access chains, so fix a bug where expression dependencies were not
inherited properly in access chains. Access chains are now considered forwarded if there
is at least one dependency which is also forwarded.
2019-07-24 11:17:30 +02:00

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#version 450
struct _28
{
vec4 _m0;
};
layout(binding = 0, std140) uniform _6_7
{
vec4 _m0;
float _m1;
vec4 _m2;
} _7;
layout(binding = 2, std140) uniform _10_11
{
vec3 _m0;
vec3 _m1;
float _m2;
vec3 _m3;
float _m4;
vec3 _m5;
float _m6;
vec3 _m7;
float _m8;
vec3 _m9;
float _m10;
vec3 _m11;
float _m12;
vec2 _m13;
vec2 _m14;
vec3 _m15;
float _m16;
float _m17;
float _m18;
float _m19;
float _m20;
vec4 _m21;
vec4 _m22;
layout(row_major) mat4 _m23;
vec4 _m24;
} _11;
layout(binding = 1, std140) uniform _18_19
{
layout(row_major) mat4 _m0;
layout(row_major) mat4 _m1;
layout(row_major) mat4 _m2;
layout(row_major) mat4 _m3;
vec4 _m4;
vec4 _m5;
float _m6;
float _m7;
float _m8;
float _m9;
vec3 _m10;
float _m11;
vec3 _m12;
float _m13;
vec3 _m14;
float _m15;
vec3 _m16;
float _m17;
float _m18;
float _m19;
vec2 _m20;
vec2 _m21;
vec2 _m22;
vec4 _m23;
vec2 _m24;
vec2 _m25;
vec2 _m26;
vec3 _m27;
float _m28;
float _m29;
float _m30;
float _m31;
float _m32;
vec2 _m33;
float _m34;
float _m35;
vec3 _m36;
layout(row_major) mat4 _m37[2];
vec4 _m38[2];
} _19;
uniform sampler2D SPIRV_Cross_Combined;
uniform sampler2D SPIRV_Cross_Combined_1;
uniform sampler2D SPIRV_Cross_Combined_2;
layout(location = 0) out vec4 _5;
_28 _74;
void main()
{
vec2 _82 = gl_FragCoord.xy * _19._m23.xy;
vec4 _88 = _7._m2 * _7._m0.xyxy;
vec2 _95 = _88.xy;
vec2 _96 = _88.zw;
vec2 _97 = clamp(_82 + (vec2(0.0, -2.0) * _7._m0.xy), _95, _96);
vec3 _109 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _97, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _113 = textureLod(SPIRV_Cross_Combined_1, _97, 0.0);
float _114 = _113.y;
vec3 _129;
if (_114 > 0.0)
{
_129 = _109 + (textureLod(SPIRV_Cross_Combined_2, _97, 0.0).xyz * clamp(_114 * _113.z, 0.0, 1.0));
}
else
{
_129 = _109;
}
vec2 _144 = clamp(_82 + (vec2(-1.0) * _7._m0.xy), _95, _96);
vec3 _156 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _144, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _160 = textureLod(SPIRV_Cross_Combined_1, _144, 0.0);
float _161 = _160.y;
vec3 _176;
if (_161 > 0.0)
{
_176 = _156 + (textureLod(SPIRV_Cross_Combined_2, _144, 0.0).xyz * clamp(_161 * _160.z, 0.0, 1.0));
}
else
{
_176 = _156;
}
vec2 _191 = clamp(_82 + (vec2(0.0, -1.0) * _7._m0.xy), _95, _96);
vec3 _203 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _191, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _207 = textureLod(SPIRV_Cross_Combined_1, _191, 0.0);
float _208 = _207.y;
vec3 _223;
if (_208 > 0.0)
{
_223 = _203 + (textureLod(SPIRV_Cross_Combined_2, _191, 0.0).xyz * clamp(_208 * _207.z, 0.0, 1.0));
}
else
{
_223 = _203;
}
vec2 _238 = clamp(_82 + (vec2(1.0, -1.0) * _7._m0.xy), _95, _96);
vec3 _250 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _238, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _254 = textureLod(SPIRV_Cross_Combined_1, _238, 0.0);
float _255 = _254.y;
vec3 _270;
if (_255 > 0.0)
{
_270 = _250 + (textureLod(SPIRV_Cross_Combined_2, _238, 0.0).xyz * clamp(_255 * _254.z, 0.0, 1.0));
}
else
{
_270 = _250;
}
vec2 _285 = clamp(_82 + (vec2(-2.0, 0.0) * _7._m0.xy), _95, _96);
vec3 _297 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _285, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _301 = textureLod(SPIRV_Cross_Combined_1, _285, 0.0);
float _302 = _301.y;
vec3 _317;
if (_302 > 0.0)
{
_317 = _297 + (textureLod(SPIRV_Cross_Combined_2, _285, 0.0).xyz * clamp(_302 * _301.z, 0.0, 1.0));
}
else
{
_317 = _297;
}
vec2 _332 = clamp(_82 + (vec2(-1.0, 0.0) * _7._m0.xy), _95, _96);
vec3 _344 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _332, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _348 = textureLod(SPIRV_Cross_Combined_1, _332, 0.0);
float _349 = _348.y;
vec3 _364;
if (_349 > 0.0)
{
_364 = _344 + (textureLod(SPIRV_Cross_Combined_2, _332, 0.0).xyz * clamp(_349 * _348.z, 0.0, 1.0));
}
else
{
_364 = _344;
}
vec2 _379 = clamp(_82, _95, _96);
vec3 _391 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _379, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _395 = textureLod(SPIRV_Cross_Combined_1, _379, 0.0);
float _396 = _395.y;
vec3 _411;
if (_396 > 0.0)
{
_411 = _391 + (textureLod(SPIRV_Cross_Combined_2, _379, 0.0).xyz * clamp(_396 * _395.z, 0.0, 1.0));
}
else
{
_411 = _391;
}
vec2 _426 = clamp(_82 + (vec2(1.0, 0.0) * _7._m0.xy), _95, _96);
vec3 _438 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _426, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _442 = textureLod(SPIRV_Cross_Combined_1, _426, 0.0);
float _443 = _442.y;
vec3 _458;
if (_443 > 0.0)
{
_458 = _438 + (textureLod(SPIRV_Cross_Combined_2, _426, 0.0).xyz * clamp(_443 * _442.z, 0.0, 1.0));
}
else
{
_458 = _438;
}
vec2 _473 = clamp(_82 + (vec2(2.0, 0.0) * _7._m0.xy), _95, _96);
vec3 _485 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _473, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _489 = textureLod(SPIRV_Cross_Combined_1, _473, 0.0);
float _490 = _489.y;
vec3 _505;
if (_490 > 0.0)
{
_505 = _485 + (textureLod(SPIRV_Cross_Combined_2, _473, 0.0).xyz * clamp(_490 * _489.z, 0.0, 1.0));
}
else
{
_505 = _485;
}
vec2 _520 = clamp(_82 + (vec2(-1.0, 1.0) * _7._m0.xy), _95, _96);
vec3 _532 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _520, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _536 = textureLod(SPIRV_Cross_Combined_1, _520, 0.0);
float _537 = _536.y;
vec3 _552;
if (_537 > 0.0)
{
_552 = _532 + (textureLod(SPIRV_Cross_Combined_2, _520, 0.0).xyz * clamp(_537 * _536.z, 0.0, 1.0));
}
else
{
_552 = _532;
}
vec2 _567 = clamp(_82 + (vec2(0.0, 1.0) * _7._m0.xy), _95, _96);
vec3 _579 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _567, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _583 = textureLod(SPIRV_Cross_Combined_1, _567, 0.0);
float _584 = _583.y;
vec3 _599;
if (_584 > 0.0)
{
_599 = _579 + (textureLod(SPIRV_Cross_Combined_2, _567, 0.0).xyz * clamp(_584 * _583.z, 0.0, 1.0));
}
else
{
_599 = _579;
}
vec2 _614 = clamp(_82 + _7._m0.xy, _95, _96);
vec3 _626 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _614, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _630 = textureLod(SPIRV_Cross_Combined_1, _614, 0.0);
float _631 = _630.y;
vec3 _646;
if (_631 > 0.0)
{
_646 = _626 + (textureLod(SPIRV_Cross_Combined_2, _614, 0.0).xyz * clamp(_631 * _630.z, 0.0, 1.0));
}
else
{
_646 = _626;
}
vec2 _661 = clamp(_82 + (vec2(0.0, 2.0) * _7._m0.xy), _95, _96);
vec3 _673 = _11._m5 * clamp(textureLod(SPIRV_Cross_Combined, _661, 0.0).w * _7._m1, 0.0, 1.0);
vec4 _677 = textureLod(SPIRV_Cross_Combined_1, _661, 0.0);
float _678 = _677.y;
vec3 _693;
if (_678 > 0.0)
{
_693 = _673 + (textureLod(SPIRV_Cross_Combined_2, _661, 0.0).xyz * clamp(_678 * _677.z, 0.0, 1.0));
}
else
{
_693 = _673;
}
vec3 _702 = (((((((((((((_129 * 0.5).xyz + (_176 * 0.5)).xyz + (_223 * 0.75)).xyz + (_270 * 0.5)).xyz + (_317 * 0.5)).xyz + (_364 * 0.75)).xyz + (_411 * 1.0)).xyz + (_458 * 0.75)).xyz + (_505 * 0.5)).xyz + (_552 * 0.5)).xyz + (_599 * 0.75)).xyz + (_646 * 0.5)).xyz + (_693 * 0.5)).xyz * vec3(0.125);
_28 _704 = _74;
_704._m0 = vec4(_702.x, _702.y, _702.z, vec4(0.0).w);
_28 _705 = _704;
_705._m0.w = 1.0;
_5 = _705._m0;
}
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