mirror of
https://github.com/hajimehoshi/ebiten.git
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52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright 2014 Hajime Hoshi
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package opengl
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// framebuffer is a wrapper of OpenGL's framebuffer.
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type framebuffer struct {
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driver *Driver
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native framebufferNative
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width int
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height int
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}
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// newFramebufferFromTexture creates a framebuffer from the given texture.
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func newFramebufferFromTexture(context *context, texture textureNative, width, height int) (*framebuffer, error) {
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native, err := context.newFramebuffer(texture)
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if err != nil {
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return nil, err
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}
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return &framebuffer{
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native: native,
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width: width,
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height: height,
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}, nil
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}
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// newScreenFramebuffer creates a framebuffer for the screen.
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func newScreenFramebuffer(context *context, width, height int) *framebuffer {
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return &framebuffer{
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native: context.getScreenFramebuffer(),
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width: width,
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height: height,
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}
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}
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func (f *framebuffer) delete(context *context) {
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if !f.native.equal(context.getScreenFramebuffer()) {
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context.deleteFramebuffer(f.native)
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}
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}
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