func TestTexImage1D(t *testing.T) {
gl.TexImage1D(gl.TEXTURE_1D,
0, gl.RGBA, 16, 0, gl.RGBA, gl.INT,
&array)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to array failed")
}
gl.Enable(gl.TEXTURE_1D)
gl.TexImage1D(gl.TEXTURE_1D,
1, gl.RGBA, 16, 1, gl.RGBA, gl.INT,
&slice[3])
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to element failed")
}
gl.TexImage1D(gl.TEXTURE_1D,
0, gl.RGBA, 16, 0, gl.RGBA, gl.INT,
slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
gl.TexImage1D(gl.PROXY_TEXTURE_1D,
0, gl.RGBA, 16, 0, gl.RGBA, gl.INT,
nil)
if gl.GetError() != gl.NO_ERROR {
t.Error("nil pointer failed")
}
}
func TestBufferSubData(t *testing.T) {
buf := newBuffer(16 * 4)
defer buf.Delete()
gl.BufferSubData(gl.ARRAY_BUFFER, 0, 4*4, &array)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to array failed")
}
gl.BufferSubData(gl.ARRAY_BUFFER, 0, 4*4, slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
}
func TestDrawPixels(t *testing.T) {
gl.DrawPixels(4, 4, gl.RGBA, gl.UNSIGNED_INT, slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
buf := newBuffer(16 * 4)
buf.Bind(gl.PIXEL_UNPACK_BUFFER)
defer buf.Delete()
gl.DrawPixels(2, 2, gl.RGBA, gl.UNSIGNED_INT, uintptr(0))
if gl.GetError() != gl.NO_ERROR {
t.Error("buffer offset failed")
}
}
func TestAttribPointer(t *testing.T) {
prg := newProgram()
defer prg.Delete()
bar := prg.GetAttribLocation("bar")
bar.EnableArray()
bar.AttribPointer(1, gl.INT, false, 0, &array)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to array failed")
}
bar.AttribPointer(1, gl.INT, false, 0, slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
}
func TestCallLists(t *testing.T) {
base := gl.GenLists(2)
if base == 0 {
t.Error("GenLists failed")
}
gl.NewList(base+0, gl.COMPILE)
gl.Color3i(1, 2, 3)
gl.Begin(gl.POLYGON)
gl.Vertex2f(1.0, 2.0)
gl.Vertex2f(3.0, 4.0)
gl.Vertex2f(5.0, 6.0)
gl.End()
gl.EndList()
if gl.GetError() != gl.NO_ERROR {
t.Error("NewList 1 failed")
}
gl.NewList(base+1, gl.COMPILE)
gl.Begin(gl.POINTS)
gl.Vertex2i(3, 4)
gl.End()
gl.EndList()
if gl.GetError() != gl.NO_ERROR {
t.Error("NewList 2 failed")
}
gl.CallList(base)
if gl.GetError() != gl.NO_ERROR {
t.Error("CallList 1 failed")
}
gl.ListBase(base)
if gl.GetError() != gl.NO_ERROR {
t.Error("ListBase failed")
}
lists := []uint{0, 1}
gl.CallLists(2, gl.UNSIGNED_INT, lists)
if gl.GetError() != gl.NO_ERROR {
t.Error("CallLists 1 2 failed")
}
}
func TestBufferData(t *testing.T) {
buf := newBuffer(16 * 4)
defer buf.Delete()
gl.BufferData(gl.ARRAY_BUFFER, 16*4, &array, gl.STATIC_READ)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to array failed")
}
gl.BufferData(gl.ARRAY_BUFFER, 16*4, slice, gl.STATIC_READ)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
gl.BufferData(gl.ARRAY_BUFFER, 16*4, nil, gl.STATIC_READ)
if gl.GetError() != gl.NO_ERROR {
t.Error("nil pointer failed")
}
}
func TestUniform1fv(t *testing.T) {
prg := newProgram()
defer prg.Delete()
values := []float32{1.0, 1.1, 1.2, 1.3}
foo := prg.GetUniformLocation("foo")
foo.Uniform1fv(values)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
}
func draw() {
t := float32(sdl.GetTicks()) / 500.0
time := prg.GetUniformLocation("time")
time.Uniform1f(t)
gl.Clear(gl.COLOR_BUFFER_BIT)
gl.DrawArrays(gl.TRIANGLE_STRIP, 0, 4)
if gl.GetError() != gl.NO_ERROR {
panic("draw error")
}
}
func TestTexImage3D(t *testing.T) {
gl.TexImage3D(gl.TEXTURE_3D,
0, gl.RGBA, 2, 2, 2, 0, gl.RGBA, gl.INT,
&array)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to array failed")
}
gl.TexImage3D(gl.TEXTURE_3D,
0, gl.RGBA, 2, 2, 2, 0, gl.RGBA, gl.INT,
slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
gl.TexImage3D(gl.PROXY_TEXTURE_3D,
0, gl.RGBA, 2, 2, 2, 0, gl.RGBA, gl.INT,
nil)
if gl.GetError() != gl.NO_ERROR {
t.Error("nil pointer failed")
}
}
func TestVertexPointer(t *testing.T) {
gl.EnableClientState(gl.VERTEX_ARRAY)
gl.VertexPointer(3, gl.INT, 0, &array)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to array failed")
}
gl.VertexPointer(3, gl.INT, 0, slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
gl.DisableClientState(gl.VERTEX_ARRAY)
buf := newBuffer(16 * 4)
defer buf.Delete()
gl.VertexPointer(3, gl.INT, 0, uintptr(0))
if gl.GetError() != gl.NO_ERROR {
t.Error("buffer offset failed")
}
}
func TestDrawElements(t *testing.T) {
gl.EnableClientState(gl.VERTEX_ARRAY)
gl.VertexPointer(2, gl.INT, 0, slice)
indices := []uint32{0, 1, 2, 3}
gl.DrawElements(gl.TRIANGLE_STRIP, 4, gl.UNSIGNED_INT, indices)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
gl.DisableClientState(gl.VERTEX_ARRAY)
}
func TestGetBufferSubData(t *testing.T) {
buf := newBuffer(16 * 4)
defer buf.Delete()
result := make([]int32, 4)
gl.GetBufferSubData(gl.ARRAY_BUFFER, 7*4, 4*4, result)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
if result[0] != 8 {
t.Error("[8, 9, 10, 11] expected, was", result)
}
}
func TestTexSubImage3D(t *testing.T) {
gl.TexSubImage3D(gl.TEXTURE_3D,
0, 1, 1, 1, 1, 1, 1, gl.RGBA, gl.INT,
&array)
if gl.GetError() != gl.NO_ERROR {
t.Error("pointer to failed")
}
gl.TexSubImage3D(gl.TEXTURE_3D,
0, 1, 1, 1, 1, 1, 1, gl.RGBA, gl.INT,
slice)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
// gl.TexSubImage3D(gl.PROXY_TEXTURE_3D,
// 0, 1, 1, 1, 1, 1, 1, gl.RGBA, gl.INT,
// nil)
// if gl.GetError() != gl.NO_ERROR {
// t.Error("nil pointer failed")
// }
}
func TestReadPixels(t *testing.T) {
pixels := []byte{1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4}
gl.DrawPixels(2, 2, gl.RGB, gl.UNSIGNED_BYTE, pixels)
result := make([]byte, 4*3)
gl.ReadPixels(0, 0, 2, 2, gl.RGB, gl.UNSIGNED_BYTE, result)
if gl.GetError() != gl.NO_ERROR {
t.Error("slice failed")
}
// result is {1,1,1, 2,2,2, 0,0,3, 4,4,4}, no idea why.
if false {
t.Error("was", result)
}
}