Opentk/Source/OpenTK/Graphics/ES30/Helper.cs
2013-11-24 13:58:30 +01:00

458 lines
13 KiB
C#

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2013 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;
using System.Collections.Generic;
#if !MINIMAL
using System.Drawing;
#endif
using System.Text;
namespace OpenTK.Graphics.ES30
{
/// <summary>
/// Provides access to OpenGL ES 3.0 methods.
/// </summary>
public sealed partial class GL : GraphicsBindingsBase
{
const string Library = "libGLESv2.dll";
static readonly object sync_root = new object();
static IntPtr[] EntryPoints;
static string[] EntryPointNames;
#region Constructors
/// <summary>
/// Constructs a new instance.
/// </summary>
public GL()
{
EntryPointsInstance = EntryPoints;
EntryPointNamesInstance = EntryPointNames;
}
#endregion
#region --- Protected Members ---
/// <summary>
/// Returns a synchronization token unique for the GL class.
/// </summary>
protected override object SyncRoot
{
get { return sync_root; }
}
#endregion
#region Helper Overloads
#pragma warning disable 3019
#pragma warning disable 1591
#pragma warning disable 1572
#pragma warning disable 1573
// Note: Mono 1.9.1 truncates StringBuilder results (for 'out string' parameters).
// We work around this issue by doubling the StringBuilder capacity.
#region public static void ClearColor() overloads
public static void ClearColor(Color color)
{
GL.ClearColor(color.R / 255.0f, color.G / 255.0f, color.B / 255.0f, color.A / 255.0f);
}
public static void ClearColor(Color4 color)
{
GL.ClearColor(color.R, color.G, color.B, color.A);
}
#endregion
#region public static void BlendColor() overloads
public static void BlendColor(Color color)
{
GL.BlendColor(color.R / 255.0f, color.G / 255.0f, color.B / 255.0f, color.A / 255.0f);
}
public static void BlendColor(Color4 color)
{
GL.BlendColor(color.R, color.G, color.B, color.A);
}
#endregion
#region Uniform
[CLSCompliant(false)]
public static void Uniform2(int location, ref Vector2 vector)
{
GL.Uniform2(location, vector.X, vector.Y);
}
[CLSCompliant(false)]
public static void Uniform3(int location, ref Vector3 vector)
{
GL.Uniform3(location, vector.X, vector.Y, vector.Z);
}
[CLSCompliant(false)]
public static void Uniform4(int location, ref Vector4 vector)
{
GL.Uniform4(location, vector.X, vector.Y, vector.Z, vector.W);
}
public static void Uniform2(int location, Vector2 vector)
{
GL.Uniform2(location, vector.X, vector.Y);
}
public static void Uniform3(int location, Vector3 vector)
{
GL.Uniform3(location, vector.X, vector.Y, vector.Z);
}
public static void Uniform4(int location, Vector4 vector)
{
GL.Uniform4(location, vector.X, vector.Y, vector.Z, vector.W);
}
public static void Uniform4(int location, Color4 color)
{
GL.Uniform4(location, color.R, color.G, color.B, color.A);
}
public static void Uniform4(int location, Quaternion quaternion)
{
GL.Uniform4(location, quaternion.X, quaternion.Y, quaternion.Z, quaternion.W);
}
public static void UniformMatrix2(int location, bool transpose, ref Matrix2 matrix)
{
unsafe
{
fixed (float* matrix_ptr = &matrix.Row0.X)
{
GL.UniformMatrix2(location, 1, transpose, matrix_ptr);
}
}
}
public static void UniformMatrix3(int location, bool transpose, ref Matrix3 matrix)
{
unsafe
{
fixed (float* matrix_ptr = &matrix.Row0.X)
{
GL.UniformMatrix3(location, 1, transpose, matrix_ptr);
}
}
}
public static void UniformMatrix4(int location, bool transpose, ref Matrix4 matrix)
{
unsafe
{
fixed (float* matrix_ptr = &matrix.Row0.X)
{
GL.UniformMatrix4(location, 1, transpose, matrix_ptr);
}
}
}
#endregion
#region Shaders
#region GetActiveAttrib
public static string GetActiveAttrib(int program, int index, out int size, out ActiveAttribType type)
{
int length;
GetProgram(program, ES30.GetProgramParameterName.ActiveAttributeMaxLength, out length);
StringBuilder sb = new StringBuilder(length == 0 ? 1 : length * 2);
GetActiveAttrib(program, index, sb.Capacity, out length, out size, out type, sb);
return sb.ToString();
}
#endregion
#region GetActiveUniform
public static string GetActiveUniform(int program, int uniformIndex, out int size, out ActiveUniformType type)
{
int length;
GetProgram(program, ES30.GetProgramParameterName.ActiveUniformMaxLength, out length);
StringBuilder sb = new StringBuilder(length == 0 ? 1 : length);
GetActiveUniform(program, uniformIndex, sb.Capacity, out length, out size, out type, sb);
return sb.ToString();
}
#endregion
#region public static void ShaderSource(Int32 shader, System.String @string)
public static void ShaderSource(Int32 shader, System.String @string)
{
unsafe
{
int length = @string.Length;
GL.ShaderSource((UInt32)shader, 1, new string[] { @string }, &length);
}
}
#endregion
#region public static string GetShaderInfoLog(Int32 shader)
public static string GetShaderInfoLog(Int32 shader)
{
string info;
GetShaderInfoLog(shader, out info);
return info;
}
#endregion
#region public static void GetShaderInfoLog(Int32 shader, out string info)
public static void GetShaderInfoLog(Int32 shader, out string info)
{
unsafe
{
int length;
GL.GetShader(shader, ShaderParameter.InfoLogLength, out length);
if (length == 0)
{
info = String.Empty;
return;
}
StringBuilder sb = new StringBuilder(length * 2);
GL.GetShaderInfoLog((UInt32)shader, sb.Capacity, &length, sb);
info = sb.ToString();
}
}
#endregion
#region public static string GetProgramInfoLog(Int32 program)
public static string GetProgramInfoLog(Int32 program)
{
string info;
GetProgramInfoLog(program, out info);
return info;
}
#endregion
#region public static void GetProgramInfoLog(Int32 program, out string info)
public static void GetProgramInfoLog(Int32 program, out string info)
{
unsafe
{
int length;
GL.GetProgram(program, ES30.GetProgramParameterName.InfoLogLength, out length); if (length == 0)
{
info = String.Empty;
return;
}
StringBuilder sb = new StringBuilder(length * 2);
GL.GetProgramInfoLog((UInt32)program, sb.Capacity, &length, sb);
info = sb.ToString();
}
}
#endregion
#endregion
#region public static void VertexAttrib2(Int32 index, ref Vector2 v)
[CLSCompliant(false)]
public static void VertexAttrib2(Int32 index, ref Vector2 v)
{
GL.VertexAttrib2(index, v.X, v.Y);
}
#endregion
#region public static void VertexAttrib3(Int32 index, ref Vector3 v)
[CLSCompliant(false)]
public static void VertexAttrib3(Int32 index, ref Vector3 v)
{
GL.VertexAttrib3(index, v.X, v.Y, v.Z);
}
#endregion
#region public static void VertexAttrib4(Int32 index, ref Vector4 v)
[CLSCompliant(false)]
public static void VertexAttrib4(Int32 index, ref Vector4 v)
{
GL.VertexAttrib4(index, v.X, v.Y, v.Z, v.W);
}
#endregion
#region public static void VertexAttrib2(Int32 index, Vector2 v)
public static void VertexAttrib2(Int32 index, Vector2 v)
{
GL.VertexAttrib2(index, v.X, v.Y);
}
#endregion
#region public static void VertexAttrib3(Int32 index, Vector3 v)
public static void VertexAttrib3(Int32 index, Vector3 v)
{
GL.VertexAttrib3(index, v.X, v.Y, v.Z);
}
#endregion
#region public static void VertexAttrib4(Int32 index, Vector4 v)
public static void VertexAttrib4(Int32 index, Vector4 v)
{
GL.VertexAttrib4(index, v.X, v.Y, v.Z, v.W);
}
#endregion
#region VertexAttribPointer
public static void VertexAttribPointer(int index, int size, VertexAttribPointerType type, bool normalized, int stride, int offset)
{
VertexAttribPointer(index, size, type, normalized, stride, (IntPtr)offset);
}
[CLSCompliant(false)]
public static void VertexAttribPointer(uint index, int size, VertexAttribPointerType type, bool normalized, int stride, int offset)
{
VertexAttribPointer(index, size, type, normalized, stride, (IntPtr)offset);
}
#endregion
#region Get[Float|Double]
public static void GetFloat(GetPName pname, out Vector2 vector)
{
unsafe
{
fixed (Vector2* ptr = &vector)
GetFloat(pname, (float*)ptr);
}
}
public static void GetFloat(GetPName pname, out Vector3 vector)
{
unsafe
{
fixed (Vector3* ptr = &vector)
GetFloat(pname, (float*)ptr);
}
}
public static void GetFloat(GetPName pname, out Vector4 vector)
{
unsafe
{
fixed (Vector4* ptr = &vector)
GetFloat(pname, (float*)ptr);
}
}
public static void GetFloat(GetPName pname, out Matrix4 matrix)
{
unsafe
{
fixed (Matrix4* ptr = &matrix)
GetFloat(pname, (float*)ptr);
}
}
#endregion
#region Viewport
public static void Viewport(Size size)
{
GL.Viewport(0, 0, size.Width, size.Height);
}
public static void Viewport(Point location, Size size)
{
GL.Viewport(location.X, location.Y, size.Width, size.Height);
}
public static void Viewport(Rectangle rectangle)
{
GL.Viewport(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
}
#if NO_SYSDRAWING
public static void Viewport(OpenTK.Point location, OpenTK.Size size)
{
GL.Viewport(location.X, location.Y, size.Width, size.Height);
}
public static void Viewport(OpenTK.Rectangle rectangle)
{
GL.Viewport(rectangle.X, rectangle.Y, rectangle.Width, rectangle.Height);
}
#endif
#endregion
#pragma warning restore 3019
#pragma warning restore 1591
#pragma warning restore 1572
#pragma warning restore 1573
#endregion
}
public delegate void DebugProc(
DebugSource source, DebugType type, int id,
DebugSeverity severity, int length, IntPtr message,
IntPtr userParam);
public delegate void DebugProcKhr(
DebugSource source, DebugType type, int id,
DebugSeverity severity, int length, IntPtr message,
IntPtr userParam);
}