mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-24 02:38:53 +01:00
graphics: Use command buffers
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parent
efd019c00e
commit
208b27d5de
@ -37,7 +37,7 @@ func (q *commandQueue) Enqueue(command command) {
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q.commands = append(q.commands, command)
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}
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func (q *commandQueue) Exec(context *opengl.Context) error {
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func (q *commandQueue) Flush(context *opengl.Context) error {
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// TODO: Do optimizing before executing
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for _, c := range q.commands {
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if err := c.Exec(context); err != nil {
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@ -43,24 +43,25 @@ type Framebuffer struct {
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}
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func NewZeroFramebuffer(c *opengl.Context, width, height int) (*Framebuffer, error) {
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r := &Framebuffer{
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f := &Framebuffer{
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width: width,
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height: height,
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flipY: true,
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}
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return r, nil
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return f, nil
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}
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func NewFramebufferFromTexture(c *opengl.Context, texture *Texture) (*Framebuffer, error) {
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f, err := c.NewFramebuffer(opengl.Texture(texture.native))
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native, err := c.NewFramebuffer(opengl.Texture(texture.native))
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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: f,
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f := &Framebuffer{
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native: native,
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width: texture.width,
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height: texture.height,
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}, nil
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}
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return f, nil
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}
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func (f *Framebuffer) Dispose(c *opengl.Context) error {
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@ -98,7 +99,8 @@ func (f *Framebuffer) Fill(context *opengl.Context, clr color.Color) error {
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dst: f,
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color: clr,
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}
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return c.Exec(context)
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theCommandQueue.Enqueue(c)
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return nil
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}
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func (f *Framebuffer) DrawTexture(context *opengl.Context, t *Texture, vertices []int16, geo, clr Matrix, mode opengl.CompositeMode) error {
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@ -110,11 +112,21 @@ func (f *Framebuffer) DrawTexture(context *opengl.Context, t *Texture, vertices
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color: clr,
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mode: mode,
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}
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return c.Exec(context)
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theCommandQueue.Enqueue(c)
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// Drawing a texture to the default buffer must be the last command.
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// TODO(hajimehoshi): This seems a little hacky. Refactor.
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if f.native == opengl.ZeroFramebuffer {
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return theCommandQueue.Flush(context)
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}
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return nil
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}
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func (f *Framebuffer) Pixels(c *opengl.Context) ([]uint8, error) {
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return c.FramebufferPixels(f.native, f.width, f.height)
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func (f *Framebuffer) Pixels(context *opengl.Context) ([]uint8, error) {
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// Flush the enqueued commands so that pixels are certainly read.
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if err := theCommandQueue.Flush(context); err != nil {
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return nil, err
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}
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return context.FramebufferPixels(f.native, f.width, f.height)
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}
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func (f *Framebuffer) ReplacePixels(context *opengl.Context, t *Texture, p []uint8) error {
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@ -123,5 +135,6 @@ func (f *Framebuffer) ReplacePixels(context *opengl.Context, t *Texture, p []uin
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texture: t,
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pixels: p,
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}
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return c.Exec(context)
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theCommandQueue.Enqueue(c)
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return nil
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}
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