36 lines
691 B
Go
36 lines
691 B
Go
//go:generate go run ../../../cmd/fyne bundle -o shaders.go --prefix shader --package gl shaders/
|
|
|
|
package gl
|
|
|
|
import (
|
|
"log"
|
|
"runtime"
|
|
|
|
"fyne.io/fyne/v2"
|
|
"fyne.io/fyne/v2/internal/build"
|
|
)
|
|
|
|
const floatSize = 4
|
|
const max16bit = float32(255 * 255)
|
|
|
|
// logGLError logs error in the GL renderer.
|
|
//
|
|
// Receives a function as parameter, to lazily get the error code only when
|
|
// needed, avoiding unneeded overhead.
|
|
func logGLError(getError func() uint32) {
|
|
if build.Mode != fyne.BuildDebug {
|
|
return
|
|
}
|
|
|
|
err := getError()
|
|
if err == 0 {
|
|
return
|
|
}
|
|
|
|
log.Printf("Error %x in GL Renderer", err)
|
|
_, file, line, ok := runtime.Caller(2)
|
|
if ok {
|
|
log.Printf(" At: %s:%d", file, line)
|
|
}
|
|
}
|