private void Uniform3i(int location, int v0, int v1, int v2)
{
if (location < 0)
{
return;
}
ShaderProgram program = this.currentShaderProgram;
if (program == null)
{
SetLastError(ErrorCode.InvalidOperation); return;
}
UniformVariable v = program.GetUniformVariable(location);
if (v == null)
{
SetLastError(ErrorCode.InvalidOperation); return;
}
FieldInfo fieldInfo = v.fieldInfo;
if (fieldInfo.FieldType.IsArray)
{
SetLastError(ErrorCode.InvalidOperation); return;
} // TODO: not sure about this line.
program.SetUniform3i(location, v0, v1, v2);
}
private void UniformMatrix4fv(int location, int count, bool transpose, float[] value)
{
if (location < 0 || value == null || value.Length != 16)
{
return;
}
ShaderProgram program = this.currentShaderProgram;
if (program == null)
{
SetLastError(ErrorCode.InvalidOperation); return;
}
// TODO:GL_INVALID_OPERATION is generated if the size of the uniform variable declared in the shader does not match the size indicated by the glUniform command.
if (count < 0)
{
SetLastError(ErrorCode.InvalidValue); return;
}
UniformVariable v = program.GetUniformVariable(location);
if (v == null)
{
SetLastError(ErrorCode.InvalidOperation); return;
}
FieldInfo fieldInfo = v.fieldInfo;
if ((count > 1) && (!fieldInfo.FieldType.IsArray))
{
SetLastError(ErrorCode.InvalidOperation); return;
}
program.SetUniform4fv(location, count, transpose, value);
}
private void Uniform1fv(int location, int count, float[] value)
{
if (location < 0 || value == null || value.Length != 1)
{
return;
}
ShaderProgram program = this.currentShaderProgram;
if (program == null)
{
SetLastError(ErrorCode.InvalidOperation); return;
}
// TODO:GL_INVALID_OPERATION is generated if the size of the uniform variable declared in the shader does not match the size indicated by the glUniform command.
if (count < 0)
{
SetLastError(ErrorCode.InvalidValue); return;
}
UniformVariable v = program.GetUniformVariable(location);
if (v == null)
{
SetLastError(ErrorCode.InvalidOperation); return;
}
FieldInfo fieldInfo = v.fieldInfo;
if ((count > 1) && (!fieldInfo.FieldType.IsArray))
{
SetLastError(ErrorCode.InvalidOperation); return;
}
var copy = new float[count];
for (int i = 0; i < count; i++)
{
copy[i] = value[i];
}
program.SetUniform(location, copy);
}
