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https://github.com/encounter/dawn-cmake.git
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46ee63933c
Prevents UB for divide-by-zero and integer overflow when dividing Fixed: tint:1349 Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com>
63 lines
1.4 KiB
GLSL
63 lines
1.4 KiB
GLSL
#version 310 es
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uint tint_div(uint lhs, uint rhs) {
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return (lhs / ((rhs == 0u) ? 1u : rhs));
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}
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uint tint_mod(uint lhs, uint rhs) {
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return (lhs % ((rhs == 0u) ? 1u : rhs));
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}
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uint local_invocation_index_1 = 0u;
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shared uint wg[3][2][1];
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void compute_main_inner(uint local_invocation_index) {
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uint idx = 0u;
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idx = local_invocation_index;
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while (true) {
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uint x_25 = idx;
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if (!((x_25 < 6u))) {
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break;
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}
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uint x_31 = idx;
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uint x_33 = idx;
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uint x_35 = idx;
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uint tint_symbol = tint_div(x_31, 2u);
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uint tint_symbol_1 = tint_mod(x_33, 2u);
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uint tint_symbol_2 = tint_mod(x_35, 1u);
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atomicExchange(wg[tint_symbol][tint_symbol_1][tint_symbol_2], 0u);
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{
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uint x_42 = idx;
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idx = (x_42 + 1u);
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}
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}
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barrier();
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atomicExchange(wg[2][1][0], 1u);
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return;
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}
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void compute_main_1() {
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uint x_57 = local_invocation_index_1;
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compute_main_inner(x_57);
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return;
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}
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void compute_main(uint local_invocation_index_1_param) {
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{
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for(uint idx_1 = local_invocation_index_1_param; (idx_1 < 6u); idx_1 = (idx_1 + 1u)) {
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uint i = (idx_1 / 2u);
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uint i_1 = (idx_1 % 2u);
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uint i_2 = (idx_1 % 1u);
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atomicExchange(wg[i][i_1][i_2], 0u);
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}
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}
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barrier();
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local_invocation_index_1 = local_invocation_index_1_param;
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compute_main_1();
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}
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layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
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void main() {
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compute_main(gl_LocalInvocationIndex);
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return;
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}
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