mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 11:18:54 +01:00
45 lines
1.4 KiB
Go
45 lines
1.4 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.
|
|
|
|
type locationCache struct {
|
|
uniformLocationCache map[programID]map[string]uniformLocation
|
|
}
|
|
|
|
func newLocationCache() *locationCache {
|
|
return &locationCache{
|
|
uniformLocationCache: map[programID]map[string]uniformLocation{},
|
|
}
|
|
}
|
|
|
|
func (c *locationCache) GetUniformLocation(context *context, p program, location string) uniformLocation {
|
|
id := getProgramID(p)
|
|
if _, ok := c.uniformLocationCache[id]; !ok {
|
|
c.uniformLocationCache[id] = map[string]uniformLocation{}
|
|
}
|
|
l, ok := c.uniformLocationCache[id][location]
|
|
if !ok {
|
|
l = context.getUniformLocationImpl(p, location)
|
|
c.uniformLocationCache[id][location] = l
|
|
}
|
|
return l
|
|
}
|
|
|
|
func (c *locationCache) deleteProgram(p program) {
|
|
delete(c.uniformLocationCache, getProgramID(p))
|
|
}
|