twitchapon-anim

Basic Twitchapon Receiver/Visuals
git clone git://bsandro.tech/twitchapon-anim
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shader.go (1179B)


      1 // Copyright 2020 The Ebiten Authors
      2 //
      3 // Licensed under the Apache License, Version 2.0 (the "License");
      4 // you may not use this file except in compliance with the License.
      5 // You may obtain a copy of the License at
      6 //
      7 //     http://www.apache.org/licenses/LICENSE-2.0
      8 //
      9 // Unless required by applicable law or agreed to in writing, software
     10 // distributed under the License is distributed on an "AS IS" BASIS,
     11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 // See the License for the specific language governing permissions and
     13 // limitations under the License.
     14 
     15 package restorable
     16 
     17 import (
     18 	"github.com/hajimehoshi/ebiten/v2/internal/graphicscommand"
     19 	"github.com/hajimehoshi/ebiten/v2/internal/shaderir"
     20 )
     21 
     22 type Shader struct {
     23 	shader *graphicscommand.Shader
     24 	ir     *shaderir.Program
     25 }
     26 
     27 func NewShader(program *shaderir.Program) *Shader {
     28 	s := &Shader{
     29 		shader: graphicscommand.NewShader(program),
     30 		ir:     program,
     31 	}
     32 	theImages.addShader(s)
     33 	return s
     34 }
     35 
     36 func (s *Shader) Dispose() {
     37 	theImages.removeShader(s)
     38 	s.shader.Dispose()
     39 	s.shader = nil
     40 	s.ir = nil
     41 }
     42 
     43 func (s *Shader) restore() {
     44 	s.shader = graphicscommand.NewShader(s.ir)
     45 }