|
private GetShaderiv ( |
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| shader | ||
| pname | ||
| pParams | [ | |
| return | void | |
public unsafe ShaderModel(IShader shader, string code, ShaderVersions shaderVersion, ShaderTypes shaderType, ShaderFloatingPointQuality quality)
: base(shader)
{
try
{
Shader = GL.CreateShader((shaderType == ShaderTypes.VS) ? GL.VERTEX_SHADER : GL.FRAGMENT_SHADER);
if (Shader == 0)
{
Debug.ThrowError("ShaderModel", string.Format("Failed to create {0} shader", (shaderType == ShaderTypes.VS) ? "vs": "ps"));
}
#if iOS || ANDROID || NaCl
code = getQualityText(quality) + Environment.NewLine + code;
#endif
string shaderLvl = "";
switch (shaderVersion)
{
#if iOS || ANDROID || NaCl || RPI
case ShaderVersions.GLSL_1_00: shaderLvl = "100"; break;
#else
case ShaderVersions.GLSL_1_10: shaderLvl = "110"; break;
case ShaderVersions.GLSL_1_20: shaderLvl = "120"; break;
case ShaderVersions.GLSL_1_30: shaderLvl = "130"; break;
case ShaderVersions.GLSL_1_40: shaderLvl = "140"; break;
case ShaderVersions.GLSL_1_50: shaderLvl = "150"; break;
case ShaderVersions.GLSL_3_30: shaderLvl = "330"; break;
#endif
default: Debug.ThrowError("ShaderModel", "Unsuported ShaderVersion: " + shaderVersion); break;
}
code = "#version " + shaderLvl + Environment.NewLine + code;
int codeLength = code.Length;
fixed(byte *codeData = code.CastToBytes())
{
byte *codeData2 = codeData;
GL.ShaderSource(Shader, 1, &codeData2, &codeLength);
GL.CompileShader(Shader);
}
int result = 0;
GL.GetShaderiv(Shader, GL.COMPILE_STATUS, &result);
if (result == 0)
{
int logLength = 0;
GL.GetShaderiv(Shader, GL.INFO_LOG_LENGTH, &logLength);
byte *logPtr = stackalloc byte[logLength];
GL.GetShaderInfoLog(Shader, logLength, &result, logPtr);
byte[] log = new byte[logLength];
System.Runtime.InteropServices.Marshal.Copy(new IntPtr(logPtr), log, 0, logLength);
Debug.ThrowError("ShaderModel", string.Format("{0} Shader compile error: {1}", shaderType, System.Text.ASCIIEncoding.ASCII.GetString(log)));
}
Video.checkForError();
}
catch (Exception e)
{
Dispose();
throw e;
}
}
