mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 13:07:26 +01:00
55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
// Copyright 2014 Hajime Hoshi
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package opengl
|
|
|
|
// Since js.Object (Program) can't be keys of a map, use integers (ProgramID) instead.
|
|
|
|
var uniformLocationCache = map[ProgramID]map[string]UniformLocation{}
|
|
var attribLocationCache = map[ProgramID]map[string]AttribLocation{}
|
|
|
|
type UniformLocationGetter interface {
|
|
GetUniformLocation(p Program, location string) UniformLocation
|
|
}
|
|
|
|
func GetUniformLocation(g UniformLocationGetter, p Program, location string) UniformLocation {
|
|
id := GetProgramID(p)
|
|
if _, ok := uniformLocationCache[id]; !ok {
|
|
uniformLocationCache[id] = map[string]UniformLocation{}
|
|
}
|
|
l, ok := uniformLocationCache[id][location]
|
|
if !ok {
|
|
l = g.GetUniformLocation(p, location)
|
|
uniformLocationCache[id][location] = l
|
|
}
|
|
return l
|
|
}
|
|
|
|
type AttribLocationGetter interface {
|
|
GetAttribLocation(p Program, location string) AttribLocation
|
|
}
|
|
|
|
func GetAttribLocation(g AttribLocationGetter, p Program, location string) AttribLocation {
|
|
id := GetProgramID(p)
|
|
if _, ok := attribLocationCache[id]; !ok {
|
|
attribLocationCache[id] = map[string]AttribLocation{}
|
|
}
|
|
l, ok := attribLocationCache[id][location]
|
|
if !ok {
|
|
l = g.GetAttribLocation(p, location)
|
|
attribLocationCache[id][location] = l
|
|
}
|
|
return l
|
|
}
|