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shaderir: Refactoring

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This commit is contained in:
Hajime Hoshi 2020-05-15 03:33:07 +09:00
parent 4b8e745824
commit 931fec9100
1 changed files with 61 additions and 58 deletions
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119
internal/shaderir/ir_test.go
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@ -20,6 +20,20 @@ import (
. "github.com/hajimehoshi/ebiten/internal/shaderir"
)
func block(localVars []Type, stmts ...Stmt) Block {
return Block{
LocalVars: localVars,
Stmts: stmts,
}
}
func blockStmt(block Block) Stmt {
return Stmt{
Type: BlockStmt,
Blocks: []Block{block},
}
}
func assignStmt(lhs Expr, rhs Expr) Stmt {
return Stmt{
Type: Assign,
@ -164,12 +178,10 @@ varying vec3 V0;`,
OutParams: []Type{
{Main: Float},
},
Block: Block{
LocalVars: []Type{
{Main: Mat4},
{Main: Mat4},
},
},
Block: block([]Type{
{Main: Mat4},
{Main: Mat4},
}),
},
},
},
@ -193,25 +205,20 @@ varying vec3 V0;`,
OutParams: []Type{
{Main: Float},
},
Block: Block{
LocalVars: []Type{
Block: block(
[]Type{
{Main: Mat4},
{Main: Mat4},
},
Stmts: []Stmt{
{
Type: BlockStmt,
Blocks: []Block{
{
LocalVars: []Type{
{Main: Mat4},
{Main: Mat4},
},
},
blockStmt(
block(
[]Type{
{Main: Mat4},
{Main: Mat4},
},
},
},
},
),
),
),
},
},
},
@ -237,18 +244,17 @@ varying vec3 V0;`,
OutParams: []Type{
{Main: Float},
},
Block: Block{
Stmts: []Stmt{
assignStmt(
varNameExpr(Local, 2),
binaryExpr(
Add,
varNameExpr(Local, 0),
varNameExpr(Local, 1),
),
Block: block(
nil,
assignStmt(
varNameExpr(Local, 2),
binaryExpr(
Add,
varNameExpr(Local, 0),
varNameExpr(Local, 1),
),
},
},
),
),
},
},
},
@ -269,33 +275,30 @@ varying vec3 V0;`,
OutParams: []Type{
{Main: Float},
},
Block: Block{
Stmts: []Stmt{
ifStmt(
binaryExpr(
Eq,
varNameExpr(Local, 0),
numericExpr(0),
),
Block{
Stmts: []Stmt{
assignStmt(
varNameExpr(Local, 2),
varNameExpr(Local, 0),
),
},
},
Block{
Stmts: []Stmt{
assignStmt(
varNameExpr(Local, 2),
varNameExpr(Local, 1),
),
},
},
Block: block(
nil,
ifStmt(
binaryExpr(
Eq,
varNameExpr(Local, 0),
numericExpr(0),
),
},
},
block(
nil,
assignStmt(
varNameExpr(Local, 2),
varNameExpr(Local, 0),
),
),
block(
nil,
assignStmt(
varNameExpr(Local, 2),
varNameExpr(Local, 1),
),
),
),
),
},
},
},