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5d0420cea0
First I thought Metal requried an initialization process by replacing pixels, but now this is not needed. Initialize images by the dummy texture.
110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
// Copyright 2016 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 graphicscommand
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import (
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"github.com/hajimehoshi/ebiten/internal/affine"
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"github.com/hajimehoshi/ebiten/internal/graphics"
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"github.com/hajimehoshi/ebiten/internal/graphicsdriver"
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)
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// Image represents an image that is implemented with OpenGL.
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type Image struct {
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image graphicsdriver.Image
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width int
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height int
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}
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// NewImage returns a new image.
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//
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// Note that the image is not initialized yet.
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func NewImage(width, height int) *Image {
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i := &Image{
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width: width,
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height: height,
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}
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c := &newImageCommand{
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result: i,
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width: width,
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height: height,
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}
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theCommandQueue.Enqueue(c)
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return i
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}
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func NewScreenFramebufferImage(width, height int) *Image {
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i := &Image{
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width: width,
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height: height,
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}
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c := &newScreenFramebufferImageCommand{
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result: i,
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width: width,
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height: height,
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}
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theCommandQueue.Enqueue(c)
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return i
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}
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func (i *Image) Dispose() {
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c := &disposeCommand{
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target: i,
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}
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theCommandQueue.Enqueue(c)
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}
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func (i *Image) Size() (int, int) {
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// i.image can be nil before initializing.
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return i.width, i.height
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}
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func (i *Image) DrawImage(src *Image, vertices []float32, indices []uint16, clr *affine.ColorM, mode graphics.CompositeMode, filter graphics.Filter) {
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theCommandQueue.EnqueueDrawImageCommand(i, src, vertices, indices, clr, mode, filter)
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}
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// Pixels returns the image's pixels.
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// Pixels might return nil when OpenGL error happens.
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func (i *Image) Pixels() []byte {
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c := &pixelsCommand{
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result: nil,
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img: i,
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}
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theCommandQueue.Enqueue(c)
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theCommandQueue.Flush()
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return c.result
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}
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func (i *Image) ReplacePixels(p []byte, x, y, width, height int) {
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pixels := make([]byte, len(p))
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copy(pixels, p)
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c := &replacePixelsCommand{
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dst: i,
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pixels: pixels,
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x: x,
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y: y,
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width: width,
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height: height,
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}
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theCommandQueue.Enqueue(c)
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}
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func (i *Image) IsInvalidated() bool {
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// i.image can be nil before initializing.
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if i.image == nil {
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return false
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}
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return i.image.IsInvalidated()
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}
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