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internal/shader: bug fix: wrong indexing

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This commit is contained in:
Hajime Hoshi 2024-08-25 18:58:05 +09:00
parent 41b762ba2c
commit e2662a8af7
1 changed files with 2 additions and 1 deletions
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3
internal/shader/shader.go
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@ -824,10 +824,11 @@ func (cs *compileState) parseFunc(block *block, d *ast.FuncDecl) (function, bool
// The 0th inParams is a special variable for position and is not included in varying variables. // The 0th inParams is a special variable for position and is not included in varying variables.
if diff := len(cs.ir.Varyings) - (len(inParams) - 1); diff > 0 { if diff := len(cs.ir.Varyings) - (len(inParams) - 1); diff > 0 {
// inParams is not enough when the vertex shader has more returning values than the fragment shader's arguments. // inParams is not enough when the vertex shader has more returning values than the fragment shader's arguments.
orig := len(inParams) - 1
for i := 0; i < diff; i++ { for i := 0; i < diff; i++ {
inParams = append(inParams, variable{ inParams = append(inParams, variable{
name: "_", name: "_",
typ: cs.ir.Varyings[len(inParams)-1+i], typ: cs.ir.Varyings[orig+i],
}) })
} }
} }