public GLShaderHandle CreateShader(GLShaderType type)
{
int shaderName = TKGL.CreateShader((ShaderType)type);
AddContextObject(new ShaderDisposable(shaderName));
return(new GLShaderHandle(shaderName));
}
internal void ApplyPass()
{
// Create a Program object
shaderProgram = GL20.CreateProgram();
// Attach our compiled shaders
if (VertexIndex < _technique._effect.vertexShaders.Count)
{
GL20.AttachShader(shaderProgram, _technique._effect.vertexShaders[VertexIndex]);
}
if (FragmentIndex < _technique._effect.fragmentShaders.Count)
{
GL20.AttachShader(shaderProgram, _technique._effect.fragmentShaders[FragmentIndex]);
}
// Set the parameters
// TODO GL20.ProgramParameter (shaderProgram, AssemblyProgramParameterArb.GeometryInputType, (int)All.Lines);
// TODO GL20.ProgramParameter (shaderProgram, AssemblyProgramParameterArb.GeometryOutputType, (int)All.Line);
// Set the max vertices
int maxVertices;
// TODO GL20.GetInteger (GetPName.MaxGeometryOutputVertices, out maxVertices);
// TODO GL20.ProgramParameter (shaderProgram, AssemblyProgramParameterArb.GeometryVerticesOut, maxVertices);
// Link the program
GL20.LinkProgram(shaderProgram);
string name = String.Format("Technique {0} - Pass {1}: ", _technique.Name, Name);
ShaderLog(name, shaderProgram);
}
public GLES2HardwareIndexBuffer(HardwareBufferManagerBase manager, IndexType type, int numIndices, BufferUsage usage, bool useShadowBuffer)
: base(manager, type, numIndices, usage, false, useShadowBuffer)
{
if (type == IndexType.Size32)
{
throw new AxiomException("32 bit hardware buffers are not allowed in OpenGL ES.");
}
if (!useShadowBuffer)
{
throw new AxiomException("Only support with shadowBuffer");
}
OpenGL.GenBuffers(1, ref this._bufferId);
GLES2Config.GlCheckError(this);
if (this._bufferId == 0)
{
throw new AxiomException("Cannot create GL index buffer");
}
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLES2Config.GlCheckError(this);
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), IntPtr.Zero, GLES2HardwareBufferManager.GetGLUsage(usage));
GLES2Config.GlCheckError(this);
}
public int GetProgramParameter(GLProgramHandle program, GLProgramParameter pname)
{
int result;
TKGL.GetProgram((uint)(int)program, (GetProgramParameterName)pname, out result);
return(result);
}
public int GetShaderParameter(GLShaderHandle shader, GLShaderParameter pname)
{
int result;
TKGL.GetShader((uint)(int)shader, (ShaderParameter)pname, out result);
return(result);
}
public void TexImage2D(GLTextureTarget target, int level, GLPixelFormat internalFormat, int width, int height, int border, GLPixelFormat format, GLPixelType type, IntPtr data)
{
TKGL.TexImage2D((TextureTarget2d)target, level,
(TextureComponentCount)internalFormat, width, height, border,
(PixelFormat)format, (PixelType)type,
data);
}
public GLProgramHandle CreateProgram()
{
int programName = TKGL.CreateProgram();
AddContextObject(new ProgramDisposable(programName));
return(new GLProgramHandle(programName));
}
public void UniformMatrix4(int location, bool transpose, Float4x4[] value)
{
if (value.Length > 0)
{
TKGL.UniformMatrix4(location, value.Length, transpose, ref value[0].M11);
}
}
public GLTextureHandle CreateTexture()
{
int texture = TKGL.GenTexture();
AddContextObject(new TextureDisposable(texture));
return(new GLTextureHandle(texture));
}
public Int4 GetInteger(GLInteger4Name pname)
{
var p = new int[4];
TKGL.GetInteger((GetPName)pname, p);
return(new Int4(p[0], p[1], p[2], p[3]));
}
public GLRenderbufferHandle CreateRenderbuffer()
{
int r;
TKGL.GenRenderbuffers(1, out r);
AddContextObject(new RenderbufferDisposable(r));
return(new GLRenderbufferHandle(r));
}
public GLBufferHandle CreateBuffer()
{
int r;
TKGL.GenBuffers(1, out r);
AddContextObject(new BufferDisposable(r));
return(new GLBufferHandle(r));
}
public void Uniform4(int location, Float4[] value)
{
if (value.Length > 0)
{
unsafe
{
fixed(float *p = &value[0].X)
TKGL.Uniform4(location, value.Length, p);
}
}
}
public void Uniform3(int location, Int3[] value)
{
if (value.Length > 0)
{
unsafe
{
fixed(int *p = &value[0].X)
TKGL.Uniform3(location, value.Length, p);
}
}
}
/// <summary>
/// </summary>
/// <param name="disposeManagedResources"> </param>
protected override void dispose(bool disposeManagedResources)
{
if (!IsDisposed)
{
if (disposeManagedResources)
{
OpenGL.DeleteBuffers(1, ref this._bufferId);
GLES2Config.GlCheckError(this);
}
}
// If it is available, make the call to the
// base class's Dispose(Boolean) method
base.dispose(disposeManagedResources);
}
public void TexSubImage2D(GLTextureTarget target,
int level,
int xoffset,
int yoffset,
int width,
int height,
GLPixelFormat format,
GLPixelType type,
IntPtr data)
{
TKGL.TexSubImage2D((TextureTarget2d)target, level,
xoffset, yoffset, width, height,
(PixelFormat)format, (PixelType)type,
data);
}
protected override void CreateFrameBuffer()
{
ContextRenderingApi = EAGLRenderingAPI.OpenGLES2;
base.CreateFrameBuffer();
// Create a depth renderbuffer
GL.GenRenderbuffers(1, out depthRenderBuffer);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, depthRenderBuffer);
// Allocate storage for the new renderbuffer
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferInternalFormat.DepthComponent16,
(int)(Size.Width * screenScale), (int)(Size.Height * screenScale));
// Attach the renderbuffer to the framebuffer's depth attachment point
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferSlot.DepthAttachment, RenderbufferTarget.Renderbuffer, depthRenderBuffer);
GL.ClearDepth(1.0f); // Depth Buffer Setup
GL.DepthFunc(DepthFunction.Lequal); // The Type Of Depth Test To Do
}
/// <summary>
/// </summary>
/// <param name="offset"> </param>
/// <param name="length"> </param>
/// <param name="src"> </param>
/// <param name="discardWholeBuffer"> </param>
public override void WriteData(int offset, int length, BufferBase src, bool discardWholeBuffer)
{
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLES2Config.GlCheckError(this);
// Update the shadow buffer
if (useShadowBuffer)
{
var destData = shadowBuffer.Lock(offset, length, discardWholeBuffer ? BufferLocking.Discard : BufferLocking.Normal);
Memory.Copy(src, destData, length);
shadowBuffer.Unlock();
}
var srcPtr = src.Ptr;
if (offset == 0 && length == sizeInBytes)
{
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), ref srcPtr, GLES2HardwareBufferManager.GetGLUsage(usage));
GLES2Config.GlCheckError(this);
}
else
{
if (discardWholeBuffer)
{
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), IntPtr.Zero, GLES2HardwareBufferManager.GetGLUsage(usage));
GLES2Config.GlCheckError(this);
}
// Now update the real buffer
OpenGL.BufferSubData(All.ElementArrayBuffer, new IntPtr(offset), new IntPtr(length), ref srcPtr);
GLES2Config.GlCheckError(this);
}
if (src.Ptr != srcPtr)
{
LogManager.Instance.Write("[GLES2] HardwareIndexBuffer.WriteData - buffer pointer modified by GL.BufferData.");
}
}
/// <summary>
/// </summary>
protected override void UnlockImpl()
{
if (this._lockedToScratch)
{
if (this._scratchUploadOnUnlock)
{
// have to write the data back to vertex buffer
this.WriteData(this._scratchOffset, this._scratchSize, this._scratchPtr, this._scratchOffset == 0 && this._scratchSize == sizeInBytes);
}
// deallocate from scratch buffer
((GLES2HardwareBufferManager)HardwareBufferManager.Instance).DeallocateScratch(this._scratchPtr);
this._lockedToScratch = false;
}
else
{
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLES2Config.GlCheckError(this);
if (!OpenGLOES.UnmapBuffer(All.ElementArrayBuffer))
{
throw new AxiomException("Buffer data corrupted, please reload");
}
}
isLocked = false;
}
/// <summary>
/// </summary>
protected override void UpdateFromShadow()
{
if (useShadowBuffer && shadowUpdated && !suppressHardwareUpdate)
{
var srcData = shadowBuffer.Lock(lockStart, lockSize, BufferLocking.ReadOnly);
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLES2Config.GlCheckError(this);
var srcPtr = new IntPtr(srcData.Ptr);
// Update whole buffer if possible, otherwise normal
if (lockStart == 0 && lockSize == sizeInBytes)
{
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), srcPtr, GLES2HardwareBufferManager.GetGLUsage(usage));
GLES2Config.GlCheckError(this);
}
else
{
OpenGL.BufferSubData(All.ElementArrayBuffer, new IntPtr(lockStart), new IntPtr(lockSize), srcPtr);
GLES2Config.GlCheckError(this);
}
shadowBuffer.Unlock();
shadowUpdated = false;
}
}
public void Viewport(int x, int y, int width, int height)
{
GLES20.Viewport(x, y, width, height);
}
public void GetInteger(All name, ref int value)
{
GLES20.GetInteger((GetPName)name, out value);
}
public void Scissor(int x, int y, int width, int height)
{
GLES20.Scissor(x, y, width, height);
}
public void GenFramebuffers(int n, ref int framebuffers)
{
GLES20.GenFramebuffers(n, out framebuffers);
}
public void GenRenderbuffers(int n, ref int renderbuffers)
{
GLES20.GenRenderbuffers(n, out renderbuffers);
}
public void FramebufferRenderbuffer(
All target, All attachment, All renderbuffertarget, int renderbuffer)
{
GLES20.FramebufferRenderbuffer((FramebufferTarget)target, (FramebufferSlot)attachment, (RenderbufferTarget)renderbuffertarget, renderbuffer);
}
public void DeleteRenderbuffers(int n, ref int renderbuffers)
{
GLES20.DeleteRenderbuffers(n, ref renderbuffers);
}
public void DeleteFramebuffers(int n, ref int framebuffers)
{
GLES20.DeleteFramebuffers(n, ref framebuffers);
}
public void BindRenderbuffer(All target, int renderbuffer)
{
GLES20.BindRenderbuffer((RenderbufferTarget)target, renderbuffer);
}
public void BindFramebuffer(All target, int framebuffer)
{
GLES20.BindFramebuffer((FramebufferTarget)target, framebuffer);
}
