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internal/shader: bug fix: float constant didn't work with assign operators

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This commit is contained in:
Hajime Hoshi 2022-07-09 22:29:42 +09:00
parent 4ba0ab6e3a
commit b2a1b9a9a2
2 changed files with 20 additions and 15 deletions
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29
internal/shader/stmt.go
View File

@ -92,19 +92,16 @@ func (cs *compileState) parseStmt(block *block, fname string, stmt ast.Stmt, inP
op = shaderir.ModOp
}
// Treat an integer literal as an integer constant value.
wasTypedConstInt := rhs[0].ConstType == shaderir.ConstTypeInt
if rhs[0].Type == shaderir.NumberExpr && rts[0].Main == shaderir.Int {
if !cs.forceToInt(stmt, &rhs[0]) {
return nil, false
}
}
if lts[0].Main == rts[0].Main {
if op == shaderir.Div && (rts[0].Main == shaderir.Mat2 || rts[0].Main == shaderir.Mat3 || rts[0].Main == shaderir.Mat4) {
if op == shaderir.Div && rts[0].IsMatrix() {
cs.addError(stmt.Pos(), fmt.Sprintf("invalid operation: operator / not defined on %s", rts[0].String()))
return nil, false
}
if lts[0].Main == shaderir.Int && rhs[0].Const != nil {
if !cs.forceToInt(stmt, &rhs[0]) {
return nil, false
}
}
} else {
switch lts[0].Main {
case shaderir.Int:
@ -112,7 +109,9 @@ func (cs *compileState) parseStmt(block *block, fname string, stmt ast.Stmt, inP
return nil, false
}
case shaderir.Float:
if rhs[0].Const != nil && rhs[0].Const.Kind() == gconstant.Int && !wasTypedConstInt {
if rhs[0].Const != nil &&
rhs[0].ConstType != shaderir.ConstTypeInt &&
gconstant.ToFloat(rhs[0].Const).Kind() != gconstant.Unknown {
rhs[0].Const = gconstant.ToFloat(rhs[0].Const)
rhs[0].ConstType = shaderir.ConstTypeFloat
} else {
@ -122,16 +121,16 @@ func (cs *compileState) parseStmt(block *block, fname string, stmt ast.Stmt, inP
case shaderir.Vec2, shaderir.Vec3, shaderir.Vec4, shaderir.Mat2, shaderir.Mat3, shaderir.Mat4:
if (op == shaderir.MatrixMul || op == shaderir.Div) && rts[0].Main == shaderir.Float {
// OK
} else if (lts[0].Main == shaderir.Vec2 ||
lts[0].Main == shaderir.Vec3 ||
lts[0].Main == shaderir.Vec4) &&
rts[0].Main == shaderir.Float {
} else if lts[0].IsVector() && rts[0].Main == shaderir.Float {
// OK
} else if op == shaderir.MatrixMul && ((lts[0].Main == shaderir.Vec2 && rts[0].Main == shaderir.Mat2) ||
(lts[0].Main == shaderir.Vec3 && rts[0].Main == shaderir.Mat3) ||
(lts[0].Main == shaderir.Vec4 && rts[0].Main == shaderir.Mat4)) {
// OK
} else if rhs[0].Const != nil && rhs[0].Const.Kind() == gconstant.Int && !wasTypedConstInt {
} else if (op == shaderir.MatrixMul || op == shaderir.ComponentWiseMul || lts[0].IsVector()) &&
rhs[0].Const != nil &&
rhs[0].ConstType != shaderir.ConstTypeInt &&
gconstant.ToFloat(rhs[0].Const).Kind() != gconstant.Unknown {
rhs[0].Const = gconstant.ToFloat(rhs[0].Const)
rhs[0].ConstType = shaderir.ConstTypeFloat
} else {

6
internal/shader/syntax_test.go
View File

@ -1124,6 +1124,8 @@ func TestSyntaxOperatorMultiplyAssign(t *testing.T) {
}{
{stmt: "a := 1.0; a *= 2", err: false},
{stmt: "a := 1.0; a *= 2.0", err: false},
{stmt: "const c = 2; a := 1.0; a *= c", err: false},
{stmt: "const c = 2.0; a := 1.0; a *= c", err: false},
{stmt: "a := 1.0; a *= int(2)", err: true},
{stmt: "a := 1.0; a *= vec2(2)", err: true},
{stmt: "a := 1.0; a *= vec3(2)", err: true},
@ -1133,6 +1135,8 @@ func TestSyntaxOperatorMultiplyAssign(t *testing.T) {
{stmt: "a := 1.0; a *= mat4(2)", err: true},
{stmt: "a := vec2(1); a *= 2", err: false},
{stmt: "a := vec2(1); a *= 2.0", err: false},
{stmt: "const c = 2; a := vec2(1); a *= c", err: false},
{stmt: "const c = 2.0; a := vec2(1); a *= c", err: false},
{stmt: "a := vec2(1); a /= 2.0", err: false},
{stmt: "a := vec2(1); a += 2.0", err: false},
{stmt: "a := vec2(1); a *= int(2)", err: true},
@ -1149,6 +1153,8 @@ func TestSyntaxOperatorMultiplyAssign(t *testing.T) {
{stmt: "a := vec2(1); a *= mat4(2)", err: true},
{stmt: "a := mat2(1); a *= 2", err: false},
{stmt: "a := mat2(1); a *= 2.0", err: false},
{stmt: "const c = 2; a := mat2(1); a *= c", err: false},
{stmt: "const c = 2.0; a := mat2(1); a *= c", err: false},
{stmt: "a := mat2(1); a /= 2.0", err: false},
{stmt: "a := mat2(1); a += 2.0", err: true},
{stmt: "a := mat2(1); a *= int(2)", err: true},