51 lines
775 B
Go
51 lines
775 B
Go
package platform
|
|
|
|
import (
|
|
"image/color"
|
|
"unsafe"
|
|
|
|
"github.com/veandco/go-sdl2/sdl"
|
|
)
|
|
|
|
type Texture struct {
|
|
sdlTexture *sdl.Texture
|
|
}
|
|
|
|
func newTextureFromRgba(renderer *sdl.Renderer, colors []color.RGBA, width, height int) (*Texture, error) {
|
|
surface, err := sdl.CreateRGBSurfaceFrom(
|
|
unsafe.Pointer(&colors[0]),
|
|
int32(width),
|
|
int32(height),
|
|
32,
|
|
width*4,
|
|
0x000000ff,
|
|
0x0000ff00,
|
|
0x00ff0000,
|
|
0xff000000,
|
|
)
|
|
|
|
if err != nil {
|
|
return nil, nil
|
|
}
|
|
|
|
sdlTexture, err := renderer.CreateTextureFromSurface(surface)
|
|
if err != nil {
|
|
surface.Free()
|
|
}
|
|
|
|
return &Texture{sdlTexture}, nil
|
|
}
|
|
|
|
func (t *Texture) Destroy() error {
|
|
if t == nil {
|
|
return nil
|
|
}
|
|
|
|
if err := t.sdlTexture.Destroy(); err != nil {
|
|
return err
|
|
}
|
|
|
|
t.sdlTexture = nil
|
|
return nil
|
|
}
|