gofb/framebuffer_test.go

package gofb

import (
	"image"
	"testing"

	"github.com/ungerik/go-cairo"
)

func BenchmarkFill(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	for i := 0; i < b.N; i++ {
		fb.Fill(0, 0, 255, 0)
	}

}

func BenchmarkMakeSurfaceImage(b *testing.B) {
	surface := cairo.NewSurface(cairo.FORMAT_ARGB32, 1680, 1050)
	defer surface.Finish()
	for i := 0; i < b.N; i++ {
		surface.SetSourceRGBA(1, 1, 1, 1)
		surface.Rectangle(0, 0, 240, 80)
		surface.Fill()
		surface.SelectFontFace("serif", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD)
		surface.SetFontSize(32.0)
		surface.SetSourceRGBA(0, 0, 0, .1)
		surface.MoveTo(10.0, 50.0)
		surface.ShowText("Hello World")
		surface.GetImage()
	}

}

func BenchmarkDrawImage(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	image := image.NewRGBA(image.Rect(0, 0, fb.Xres, fb.Yres))

	for i := 0; i < b.N; i++ {
		fb.DrawImage(0, 0, image)
	}

}

func BenchmarkCairoGetData(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	surface := cairo.NewSurface(cairo.FORMAT_ARGB32, fb.Xres, fb.Yres)
	defer surface.Finish()

	for i := 0; i < b.N; i++ {
		surface.GetData()
	}

}

func BenchmarkDrawData(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	data := make([]byte, fb.Xres*fb.Yres*4, fb.Xres*fb.Yres*4)

	for i := 0; i < b.N; i++ {
		fb.DrawData(0, 0, data, fb.Xres, fb.Yres)
	}
}

func BenchmarkCopyDataByLine(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	data1 := make([]byte, fb.Xres*fb.Yres*4, fb.Xres*fb.Yres*4)
	data2 := make([]byte, fb.Xres*fb.Yres*4, fb.Xres*fb.Yres*4)

	for i := 0; i < b.N; i++ {
		for y := 0; y < fb.Yres; y++ {
			copy(data1[y*fb.Xres*4:(y+1)*fb.Xres*4], data2[y*fb.Xres*4:(y+1)*fb.Xres*4])
		}
	}
}

func BenchmarkCopyDataAllInOne(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	data1 := make([]byte, fb.Xres*fb.Yres*4, fb.Xres*fb.Yres*4)
	data2 := make([]byte, fb.Xres*fb.Yres*4, fb.Xres*fb.Yres*4)

	for i := 0; i < b.N; i++ {
		copy(data1, data2)
	}
}

func BenchmarkAnimation(b *testing.B) {
	fb := NewFramebuffer()

	fb.Init("")
	defer fb.Release()

	surface := cairo.NewSurface(cairo.FORMAT_ARGB32, fb.Xres, fb.Yres)
	defer surface.Finish()

	for i := 0; i < b.N; i++ {
		surface.SetSourceRGBA(0, 0, 0, 1)
		surface.Rectangle(0, 0, float64(fb.Xres), float64(fb.Yres))
		surface.Fill()
		surface.SelectFontFace("serif", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD)
		surface.SetFontSize(32.0)
		surface.SetSourceRGBA(1, 1, 1, 1)
		surface.MoveTo(10.0+float64(i), 50.0)
		surface.ShowText("道可道 非常道")
		data := surface.GetData()
		fb.DrawData(0, 0, data, fb.Xres, fb.Yres)
	}
}