static string GetTypeNames() => EmbeddedResources.GetText(
"Refactoring.DiscardingReturnValue", "TypeNames.txt");
public ShaderObjectGL3x(ShaderType shaderType, string source)
{
string builtinConstants =
"#version 330 \n" +
"#define og_positionVertexLocation " + VertexLocations.Position.ToString(NumberFormatInfo.InvariantInfo) + " \n" +
"#define og_normalVertexLocation " + VertexLocations.Normal.ToString(NumberFormatInfo.InvariantInfo) + " \n" +
"#define og_textureCoordinateVertexLocation " + VertexLocations.TextureCoordinate.ToString(NumberFormatInfo.InvariantInfo) + " \n" +
"#define og_colorVertexLocation " + VertexLocations.Color.ToString(NumberFormatInfo.InvariantInfo) + " \n" +
"#define og_positionHighVertexLocation " + VertexLocations.PositionHigh.ToString(NumberFormatInfo.InvariantInfo) + " \n" +
"#define og_positionLowVertexLocation " + VertexLocations.PositionLow.ToString(NumberFormatInfo.InvariantInfo) + " \n" +
"const float og_E = " + Math.E.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_pi = " + Math.PI.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_oneOverPi = " + Trig.OneOverPi.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_piOverTwo = " + Trig.PiOverTwo.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_piOverThree = " + Trig.PiOverThree.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_piOverFour = " + Trig.PiOverFour.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_piOverSix = " + Trig.PiOverSix.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_threePiOver2 = " + Trig.ThreePiOver2.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_twoPi = " + Trig.TwoPi.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_oneOverTwoPi = " + Trig.OneOverTwoPi.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_radiansPerDegree = " + Trig.RadiansPerDegree.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_maximumFloat = " + float.MaxValue.ToString(NumberFormatInfo.InvariantInfo) + "; \n" +
"const float og_minimumFloat = " + float.MinValue.ToString(NumberFormatInfo.InvariantInfo) + "; \n";
string builtinFunctions = EmbeddedResources.GetText("OpenGlobe.Renderer.GL3x.GLSL.BuiltinFunctions.glsl");
string modifiedSource;
//
// This requires that #version be the first line in the shader. This
// doesn't follow the spec exactly, which allows whitespace and
// comments to come beforehand.
//
if (source.StartsWith("#version", StringComparison.InvariantCulture))
{
if (!source.StartsWith("#version 330", StringComparison.InvariantCulture))
{
throw new ArgumentException("Only GLSL version 330 is supported.");
}
modifiedSource = "//" + source;
}
else
{
modifiedSource = source;
}
string[] sources = new[] { builtinConstants, builtinFunctions, modifiedSource };
int[] lengths = new[] { builtinConstants.Length, builtinFunctions.Length, modifiedSource.Length };
_shaderObject = GL.CreateShader(shaderType);
unsafe
{
fixed(int *lengthPointer = lengths)
{
GL.ShaderSource(_shaderObject, sources.Length, sources, lengthPointer);
}
}
GL.CompileShader(_shaderObject);
int compileStatus;
GL.GetShader(_shaderObject, ShaderParameter.CompileStatus, out compileStatus);
if (compileStatus == 0)
{
Console.WriteLine(sources[0]);
Console.WriteLine(sources[1]);
throw new CouldNotCreateVideoCardResourceException("Could not compile shader object. Compile Log: \n\n" + CompileLog);
}
}
static string GetFixTemplate() => EmbeddedResources.GetText(
"Refactoring.IneffectiveReadByte", "FixTemplate.txt");