public IndexBuffer(Device device, BufferUsage usage)
{
this.device = device;
this.usage = usage;
Gl.glGenBuffersARB(1, out this.handle);
}
public RenderBuffer(Device device, int width, int height, int samples)
{
this.device = device;
this.width = width;
this.height = height;
this.samples = samples;
Gl.glGenRenderbuffersEXT(1, out this.handle);
}
public Shader(Device device)
{
this.device = device;
this.texturecount = 0;
this.programHandle = Gl.glCreateProgram();
this.vertexHandle = 0;
this.fragmentHandle = 0;
this.geometryHandle = 0;
this.vertexSource = string.Empty;
this.fragmentSource = string.Empty;
this.geometrySource = string.Empty;
this.inputTopology = Topology.Triangles;
this.outputTopology = Topology.Triangles;
this.outputVertexCount = 3;
}
public RenderBuffer(Device device, int width, int height) : this(device, width, height, 1) { }
public DepthBuffer(Device device, int width, int height, Depth depth, int samples) : base(device, width, height, samples)
{
this.depth = depth;
Gl.glBindRenderbufferEXT (Gl.GL_RENDERBUFFER_EXT, this.Handle);
if (samples == 0)
{
Gl.glRenderbufferStorageEXT(Gl.GL_RENDERBUFFER_EXT, (int)this.depth, this.Width, this.Height);
}
else
{
Gl.glRenderbufferStorageMultisampleEXT(Gl.GL_RENDERBUFFER_EXT, this.Samples, (int)this.depth, this.Width, this.Height);
}
}
public DepthBuffer(Device device, int width, int height, Depth depth) : this(device, width, height, depth, 0) { }
public ColorBuffer(Device device, int width, int height, TextureFormat format, int samples) : base(device, width, height, samples)
{
this.format = format;
Gl.glBindRenderbufferEXT (Gl.GL_RENDERBUFFER_EXT, this.Handle);
if (samples == 0)
{
Gl.glRenderbufferStorageEXT(Gl.GL_RENDERBUFFER_EXT, (int)format, this.Width, this.Height);
}
else
{
Gl.glRenderbufferStorageMultisampleEXT(Gl.GL_RENDERBUFFER_EXT, this.Samples, (int)this.format, this.Width, this.Height);
}
}
public ColorBuffer(Device device, int width, int height, TextureFormat format) : this(device, width, height, format, 0) { }
public FrameBuffer(Device device)
{
this.device = device;
Gl.glGenFramebuffersEXT(1, out this.handle);
}
/// <summary>
/// Compiles Shaders related to this effect.
/// </summary>
/// <param name="device"></param>
/// <returns></returns>
public static List<Shader> CompileAll(Device device, ShaderLibrary library)
{
List<Shader> shaders = new List<Shader>();
foreach (Program program in library.Programs)
{
Shader shader = new Shader(device);
if (program.VertexShader != null)
{
foreach (Source source in from n in program.VertexShader.Includes
from m in library.Sources
where n.Source == m.ID
select m)
shader.AppendVertexSource(source.Code);
}
if (program.GeometryShader != null)
{
shader.InputTopology = program.GeometryShader.InputTopology;
shader.OutputTopology = program.GeometryShader.OutputTopology;
shader.OutputVertexCount = program.GeometryShader.OutputVertexCount;
foreach (Source source in from n in program.GeometryShader.Includes
from m in library.Sources
where n.Source == m.ID
select m)
shader.AppendGeometrySource(source.Code);
}
if (program.FragmentShader != null)
{
foreach (Source source in from n in program.FragmentShader.Includes
from m in library.Sources
where n.Source == m.ID
select m)
shader.AppendFragmentSource(source.Code);
}
ShaderCompileResult compileResult = shader.Compile();
if (!compileResult.HasError)
{
shaders.Add(shader);
}
else
{
throw new Exception(compileResult.Summary);
}
}
return shaders;
}
