Ben Clayton 51750f15d2 writer/hlsl: Don't emit literal integer divide-by-zeros
FXC errors on these, and they are undefined behavior in WGSL.

Bug: tint:1083
Change-Id: I7643fdc6991f8729f274535b603b761398412398
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60500
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-08-03 17:51:32 +00:00

68 lines
2.1 KiB
HLSL

SKIP: FAILED
cbuffer cbuffer_x_8 : register(b2, space0) {
uint4 x_8[2];
};
static float4 gl_FragCoord = float4(0.0f, 0.0f, 0.0f, 0.0f);
cbuffer cbuffer_x_10 : register(b0, space0) {
uint4 x_10[1];
};
cbuffer cbuffer_x_12 : register(b1, space0) {
uint4 x_12[1];
};
static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);
void main_1() {
uint a = 0u;
int b = 0;
a = 0u;
const int x_41 = asint(x_8[1].x);
b = x_41;
const float x_43 = gl_FragCoord.x;
const uint scalar_offset = ((16u * uint(0))) / 4;
const float x_45 = asfloat(x_10[scalar_offset / 4][scalar_offset % 4]);
if ((x_43 < x_45)) {
const uint scalar_offset_1 = ((16u * uint(0))) / 4;
const uint x_50 = x_12[scalar_offset_1 / 4][scalar_offset_1 % 4];
b = asint((x_50 % a));
}
const int x_54 = b;
const int x_56 = asint(x_8[1].x);
if ((x_54 == x_56)) {
const int x_62 = asint(x_8[1].x);
const uint scalar_offset_2 = ((16u * uint(0))) / 4;
const int x_65 = asint(x_8[scalar_offset_2 / 4][scalar_offset_2 % 4]);
const uint scalar_offset_3 = ((16u * uint(0))) / 4;
const int x_68 = asint(x_8[scalar_offset_3 / 4][scalar_offset_3 % 4]);
const int x_71 = asint(x_8[1].x);
x_GLF_color = float4(float(x_62), float(x_65), float(x_68), float(x_71));
} else {
const uint scalar_offset_4 = ((16u * uint(0))) / 4;
const int x_75 = asint(x_8[scalar_offset_4 / 4][scalar_offset_4 % 4]);
const float x_76 = float(x_75);
x_GLF_color = float4(x_76, x_76, x_76, x_76);
}
return;
}
struct main_out {
float4 x_GLF_color_1;
};
struct tint_symbol_1 {
float4 gl_FragCoord_param : SV_Position;
};
struct tint_symbol_2 {
float4 x_GLF_color_1 : SV_Target0;
};
tint_symbol_2 main(tint_symbol_1 tint_symbol) {
const float4 gl_FragCoord_param = tint_symbol.gl_FragCoord_param;
gl_FragCoord = gl_FragCoord_param;
main_1();
const main_out tint_symbol_3 = {x_GLF_color};
const tint_symbol_2 tint_symbol_7 = {tint_symbol_3.x_GLF_color_1};
return tint_symbol_7;
}
O:\src\chrome\src\third_party\dawn\third_party\tint\test\Shader@0x0000028809903F10(25,16-23): error X4010: Unsigned integer divide by zero