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internal/graphics: refactoring

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This commit is contained in:
Hajime Hoshi 2022-04-04 14:30:51 +09:00
parent c56665b23c
commit b6cc164e96
1 changed files with 6 additions and 6 deletions
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12
internal/graphics/shader.go
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@ -99,6 +99,12 @@ func imageSrc%[1]dAt(pos vec2) vec4 {
step(__textureSourceRegionOrigin.y, pos.y) *
(1 - step(__textureSourceRegionOrigin.y + __textureSourceRegionSize.y, pos.y))
}
var __projectionMatrix mat4
func __vertex(position vec2, texCoord vec2, color vec4) (vec4, vec2, vec4) {
return __projectionMatrix * vec4(position, 0, 1), texCoord, color
}
`, i, pos)
}
}
@ -107,12 +113,6 @@ func CompileShader(src []byte) (*shaderir.Program, error) {
var buf bytes.Buffer
buf.Write(src)
buf.WriteString(shaderSuffix)
buf.WriteString(`var __projectionMatrix mat4
func __vertex(position vec2, texCoord vec2, color vec4) (vec4, vec2, vec4) {
return __projectionMatrix * vec4(position, 0, 1), texCoord, color
}
`)
fs := token.NewFileSet()
f, err := parser.ParseFile(fs, "", buf.Bytes(), parser.AllErrors)