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pixelgl: actually get info log length in shader creation

This commit is contained in:
faiface 2017-01-20 19:53:41 +01:00
parent 6cb3121d0e
commit 1f4f11078b
1 changed files with 21 additions and 18 deletions
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39
pixelgl/shader.go
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@ -46,13 +46,14 @@ func NewShader(vertexFmt, uniformFmt AttrFormat, vertexShader, fragmentShader st
gl.ShaderSource(vshader, 1, src, &length)
gl.CompileShader(vshader)
var (
success int32
infoLog = make([]byte, 512)
)
var success int32
gl.GetShaderiv(vshader, gl.COMPILE_STATUS, &success)
if success == 0 {
gl.GetShaderInfoLog(vshader, int32(len(infoLog)), nil, &infoLog[0])
if success == gl.FALSE {
var logLen int32
gl.GetShaderiv(vshader, gl.INFO_LOG_LENGTH, &logLen)
infoLog := make([]byte, logLen)
gl.GetShaderInfoLog(vshader, logLen, nil, &infoLog[0])
return nil, fmt.Errorf("error compiling vertex shader: %s", string(infoLog))
}
@ -68,13 +69,14 @@ func NewShader(vertexFmt, uniformFmt AttrFormat, vertexShader, fragmentShader st
gl.ShaderSource(fshader, 1, src, &length)
gl.CompileShader(fshader)
var (
success int32
infoLog = make([]byte, 512)
)
var success int32
gl.GetShaderiv(fshader, gl.COMPILE_STATUS, &success)
if success == 0 {
gl.GetShaderInfoLog(fshader, int32(len(infoLog)), nil, &infoLog[0])
if success == gl.FALSE {
var logLen int32
gl.GetShaderiv(fshader, gl.INFO_LOG_LENGTH, &logLen)
infoLog := make([]byte, logLen)
gl.GetShaderInfoLog(fshader, logLen, nil, &infoLog[0])
return nil, fmt.Errorf("error compiling fragment shader: %s", string(infoLog))
}
@ -88,13 +90,14 @@ func NewShader(vertexFmt, uniformFmt AttrFormat, vertexShader, fragmentShader st
gl.AttachShader(shader.program.obj, fshader)
gl.LinkProgram(shader.program.obj)
var (
success int32
infoLog = make([]byte, 512)
)
var success int32
gl.GetProgramiv(shader.program.obj, gl.LINK_STATUS, &success)
if success == 0 {
gl.GetProgramInfoLog(shader.program.obj, int32(len(infoLog)), nil, &infoLog[0])
if success == gl.FALSE {
var logLen int32
gl.GetProgramiv(shader.program.obj, gl.INFO_LOG_LENGTH, &logLen)
infoLog := make([]byte, logLen)
gl.GetProgramInfoLog(shader.program.obj, logLen, nil, &infoLog[0])
return nil, fmt.Errorf("error linking shader program: %s", string(infoLog))
}
}