public GLESHardwareIndexBuffer(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);
GLESConfig.GlCheckError(this);
if (this._bufferId == 0)
{
throw new AxiomException("Cannot create GL index buffer");
}
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLESConfig.GlCheckError(this);
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), IntPtr.Zero, GLESHardwareBufferManager.GetGLUsage(usage));
GLESConfig.GlCheckError(this);
}
/// <summary>
/// Internal method to create a warning texture (bound when a texture unit is blank)
/// </summary>
protected void CreateWarningTexture()
{
// Generate warning texture
int width = 8;
int height = 8;
// TODO convert to 5_6_5
unsafe
{
int *data = stackalloc int[width * height]; // 0xXXRRGGBB
//yellow / black stripes
for (int y = 0; y < height; ++y)
{
for (int x = 0; x < width; ++x)
{
data[y * width + x] = (((x + y) % 8) < 4) ? 0x000000 : 0xFFFF00;
}
}
// Create GL resource
OpenGL.GenTextures(1, ref this._warningTextureID);
GLESConfig.GlCheckError(this);
OpenGL.BindTexture(All.Texture2D, this._warningTextureID);
GLESConfig.GlCheckError(this);
OpenGL.TexImage2D(All.Texture2D, 0, (int)All.Rgb, width, height, 0, All.Rgb, All.UnsignedByte, (IntPtr)data);
GLESConfig.GlCheckError(this);
}
}
public static void Projection(Matrix projection)
{
GL11.MatrixMode(All11.Projection);
GL11.LoadIdentity();
GL11.LoadMatrix(Matrix.ToFloatArray(projection));
//GL11.Ortho(0, _device.DisplayMode.Width, _device.DisplayMode.Height, 0, -1, 1);
}
public static void View(Matrix view)
{
GL11.MatrixMode(All11.Viewport);
GL11.LoadIdentity();
GL11.LoadMatrix(Matrix.ToFloatArray(view));
//GL11.Ortho(0, _device.DisplayMode.Width, _device.DisplayMode.Height, 0, -1, 1);
}
public static void WorldView(Matrix world, Matrix view)
{
GL11.MatrixMode(All11.Modelview);
GL11.LoadMatrix(ref view.M11);
GL11.MultMatrix(ref world.M11);
//GL11.Ortho(0, _device.DisplayMode.Width, _device.DisplayMode.Height, 0, -1, 1);
}
public void Unload()
{
int[] textureIds = new int[1] {
TexHandle
};
GL.DeleteTextures(1, textureIds);
}
public static void Cull(CullMode cullMode)
{
if (_cull != cullMode)
{
switch (cullMode)
{
case CullMode.CullClockwiseFace:
GL11.FrontFace(All11.Ccw);
GL11.CullFace(All11.Back);
GL11.Enable(All11.CullFace);
break;
case CullMode.CullCounterClockwiseFace:
GL11.FrontFace(All11.Cw);
GL11.CullFace(All11.Back);
GL11.Enable(All11.CullFace);
break;
case CullMode.None:
GL11.Disable(All11.CullFace);
break;
}
_cull = cullMode;
}
}
/// <summary>
/// </summary>
/// <param name="p"> </param>
internal void CopyFromFramebuffer(int p)
{
OpenGL.BindBuffer(All.Texture2D, this._textureId);
GLESConfig.GlCheckError(this);
OpenGL.CopyTexSubImage2D(All.Texture2D, this._level, 0, 0, 0, 0, Width, Height);
GLESConfig.GlCheckError(this);
}
public static void World(Matrix world)
{
GL11.MatrixMode(All11.Modelview);
GL11.LoadIdentity();
GL11.LoadMatrix(Matrix.ToFloatArray(world));
//GL11.Ortho(0, _device.DisplayMode.Width, _device.DisplayMode.Height, 0, -1, 1);
}
public static void Cull(All11 cullMode)
{
if (_cull != cullMode)
{
_cull = cullMode;
GL11.Enable(_cull);
}
}
protected static void BuildMipmaps(PixelBox data)
{
int width = 0;
int height = 0;
int logW = 0;
int logH = 0;
int level = 0;
PixelBox scaled = data;
scaled.Data = data.Data;
scaled.Left = data.Left;
scaled.Right = data.Right;
scaled.Top = data.Top;
scaled.Bottom = data.Bottom;
scaled.Front = data.Front;
scaled.Back = data.Back;
All format = GLESPixelUtil.GetGLOriginFormat(data.Format);
All dataType = GLESPixelUtil.GetGLOriginDataType(data.Format);
width = data.Width;
height = data.Height;
logW = ComputeLog(width);
logH = ComputeLog(height);
level = (logW > logH ? logW : logH);
for (int mip = 0; mip <= level; mip++)
{
format = GLESPixelUtil.GetGLOriginFormat(scaled.Format);
dataType = GLESPixelUtil.GetGLOriginDataType(scaled.Format);
OpenGL.TexImage2D(All.Texture2D, mip, (int)format, width, height, 0, format, dataType, scaled.Data);
GLESConfig.GlCheckError(null);
if (mip != 0)
{
scaled.Data = IntPtr.Zero;
}
if (width > 1)
{
width = width / 2;
}
if (height > 1)
{
height = height / 2;
}
int sizeInBytes = PixelUtil.GetMemorySize(width, height, 1, data.Format);
scaled = new PixelBox(width, height, 1, data.Format);
var dataarr = new byte[sizeInBytes];
scaled.Data = Memory.PinObject(dataarr);
Image.Scale(data, scaled, ImageFilter.Linear);
}
}
/// <summary>
/// </summary>
/// <param name="disposeManagedResources"> </param>
protected override void dispose(bool disposeManagedResources)
{
// Unregister with group manager
ResourceGroupManager.Instance.UnregisterResourceManager(base.ResourceType);
// Delete warning texture
OpenGL.DeleteTextures(1, ref this._warningTextureID);
GLESConfig.GlCheckError(this);
base.dispose(disposeManagedResources);
}
public static void BlendFunc(All11 source, All11 dest)
{
if (source != _blendFuncSource && dest != _blendFuncDest)
{
source = _blendFuncSource;
dest = _blendFuncDest;
GL11.BlendFunc(source, dest);
}
}
private static All11 _cull = All11.Ccw; // default
public static void TextureCoordArray(bool enable)
{
if (enable && (_textureCoordArray != GLStateEnabled.True))
{
GL11.EnableClientState(All11.TextureCoordArray);
}
else
{
GL11.DisableClientState(All11.TextureCoordArray);
}
}
public static void DepthTest(bool enable)
{
if (enable && (_depthTest != GLStateEnabled.True))
{
GL11.Enable(All11.DepthTest);
}
else
{
GL11.Disable(All11.DepthTest);
}
}
public static void NormalArray(bool enable)
{
if (enable && (_normalArray != GLStateEnabled.True))
{
GL11.EnableClientState(All11.NormalArray);
}
else
{
GL11.DisableClientState(All11.NormalArray);
}
}
public static void Textures2D(bool enable)
{
if (enable && (_textures2D != GLStateEnabled.True))
{
GL11.Enable(All11.Texture2D);
}
else
{
GL11.Disable(All11.Texture2D);
}
}
public static void ColorArray(bool enable)
{
if (enable && (_colorArray != GLStateEnabled.True))
{
GL11.EnableClientState(All11.ColorArray);
}
else
{
GL11.DisableClientState(All11.ColorArray);
}
}
public static void VertexArray(bool enable)
{
if (enable && (_vertextArray != GLStateEnabled.True))
{
GL11.EnableClientState(All11.VertexArray);
}
else
{
GL11.DisableClientState(All11.VertexArray);
}
}
/// <summary>
/// Try a certain FBO format, and return the status. Also sets mDepthRB and mStencilRB.
/// </summary>
/// <param name="depthFormat"> </param>
/// <param name="stencilFormat"> </param>
/// <returns> true if this combo is supported, false if not </returns>
private bool TryFormat(All depthFormat, All stencilFormat)
{
int status = 0, depthRB = 0, stencilRB = 0;
if (depthFormat != 0)
{
/// Generate depth renderbuffer
OpenGLOES.GenRenderbuffers(1, ref depthRB);
/// Bind it to FBO;
OpenGLOES.RenderbufferStorage(All.RenderbufferOes, depthFormat, ProbeSize, ProbeSize);
/// Attach depth
OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.DepthAttachmentOes, All.RenderbufferOes, depthRB);
}
// Stencil buffers aren't available on iPhone
if (stencilFormat != 0)
{
/// Generate stencil renderbuffer
OpenGLOES.GenRenderbuffers(1, ref stencilRB);
//bind it to FBO
OpenGLOES.BindRenderbuffer(All.RenderbufferOes, stencilRB);
/// Allocate storage for stencil buffer
OpenGLOES.RenderbufferStorage(All.RenderbufferOes, stencilFormat, ProbeSize, ProbeSize);
/// Attach stencil
OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.StencilAttachmentOes, All.RenderbufferOes, stencilRB);
}
status = (int)OpenGLOES.CheckFramebufferStatus(All.FramebufferOes);
OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.DepthAttachmentOes, All.RenderbufferOes, depthRB);
OpenGLOES.FramebufferRenderbuffer(All.FramebufferOes, All.StencilAttachmentOes, All.RenderbufferOes, stencilRB);
if (depthRB != 0)
{
OpenGLOES.DeleteRenderbuffers(1, ref depthRB);
}
if (stencilRB != 0)
{
OpenGLOES.DeleteRenderbuffers(1, ref stencilRB);
}
//Clear OpenGL Errors create because of the evaluation
while (OpenGL.GetError() != All.NoError)
{
;
}
return(status == (int)All.FramebufferCompleteOes);
}
internal void GenerateBuffer <T>() where T : struct, IVertexType
{
var vd = VertexDeclaration.FromType(_type);
_size = vd.VertexStride * ((T[])_buffer).Length;
All11 bufferUsage = (_bufferUsage == BufferUsage.WriteOnly) ? All11.StaticDraw : All11.DynamicDraw;
GL11.GenBuffers(1, out _bufferStore);
GL11.BindBuffer(All11.ArrayBuffer, _bufferStore);
GL11.BufferData <T>(All11.ArrayBuffer, (IntPtr)_size, (T[])_buffer, bufferUsage);
}
/// <summary>
/// </summary>
/// <param name="name"> </param>
/// <param name="target"> </param>
/// <param name="id"> </param>
/// <param name="width"> </param>
/// <param name="height"> </param>
/// <param name="format"> </param>
/// <param name="face"> </param>
/// <param name="level"> </param>
/// <param name="usage"> </param>
/// <param name="crappyCard"> </param>
/// <param name="writeGamma"> </param>
/// <param name="fsaa"> </param>
public GLESTextureBuffer(string basename, All targetfmt, int id, int width, int height, int format, int face, int level, BufferUsage usage, bool crappyCard, bool writeGamma, int fsaa)
: base(0, 0, 0, Media.PixelFormat.Unknown, usage)
{
this._target = targetfmt;
this._textureId = id;
this._face = face;
this._level = level;
this._softwareMipmap = crappyCard;
GLESConfig.GlCheckError(this);
OpenGL.BindTexture(All.Texture2D, this._textureId);
GLESConfig.GlCheckError(this);
// Get face identifier
this._faceTarget = this._target;
// TODO verify who get this
Width = width;
Height = height;
Depth = 1;
_glInternalFormat = (All)format;
Format = GLESPixelUtil.GetClosestAxiomFormat(_glInternalFormat);
RowPitch = Width;
SlicePitch = Height * Width;
sizeInBytes = PixelUtil.GetMemorySize(Width, Height, Depth, Format);
// Set up a pixel box
_buffer = new PixelBox(Width, Height, Depth, Format);
if (Width == 0 || Height == 0 || Depth == 0)
{
/// We are invalid, do not allocate a buffer
return;
}
// Is this a render target?
if (((int)Usage & (int)TextureUsage.RenderTarget) != 0)
{
// Create render target for each slice
for (int zoffset = 0; zoffset < Depth; zoffset++)
{
string name = string.Empty;
name = "rtt/" + GetHashCode() + "/" + basename;
var target = new GLESSurfaceDescription();
target.Buffer = this;
target.ZOffset = zoffset;
RenderTexture trt = GLESRTTManager.Instance.CreateRenderTexture(name, target, writeGamma, fsaa);
this._sliceTRT.Add(trt);
Root.Instance.RenderSystem.AttachRenderTarget(this._sliceTRT[zoffset]);
}
}
}
/// <summary>
/// </summary>
/// <param name="disposeManagedResources"> </param>
protected override void dispose(bool disposeManagedResources)
{
if (!IsDisposed)
{
if (disposeManagedResources)
{
OpenGL.DeleteBuffers(1, ref this._bufferId);
GLESConfig.GlCheckError(this);
}
}
// If it is available, make the call to the
// base class's Dispose(Boolean) method
base.dispose(disposeManagedResources);
}
public void LoadFromImage(Bitmap bmp)
{
_bmp = bmp;
GL.BindTexture(All.Texture2D, TexHandle);
//GL.TexEnv(All.TextureEnv, All.TextureEnvMode, (float)All.Modulate);
// setup texture parameters
GL.TexParameterx(All.Texture2D, All.TextureMagFilter, (int)All.Linear);
GL.TexParameterx(All.Texture2D, All.TextureMinFilter, (int)All.Linear);
GL.TexParameterx(All.Texture2D, All.TextureWrapS, (int)All.ClampToEdge);
GL.TexParameterx(All.Texture2D, All.TextureWrapT, (int)All.ClampToEdge);
Android.Opengl.GLUtils.TexImage2D((int)All.Texture2D, 0, bmp, 0);
}
public override void Render()
{
base.BeforeRender();
GL.Disable(All.Texture2D);
GL.Color4(FillColor.R, FillColor.G, FillColor.B, FillColor.A);
GL.Enable(All.Points);
GL.EnableClientState(All.VertexArray);
var vArray = new float[Stars.Count * 3];
for (var i = 0; i < Stars.Count; i++)
{
vArray[i * 3 + 0] = (float)(Stars[i].X + Position.X);
vArray[i * 3 + 1] = (float)(Stars[i].Y + Position.Y);
vArray[i * 3 + 2] = (float)(Stars[i].Z + Position.Z);
}
// pin the data, so that GC doesn't move them, while used
// by native code
unsafe
{
fixed(float *pv = vArray)
{
GL.VertexPointer(3, All.Float, 0, new IntPtr(pv));
GL.DrawArrays(All.Points, 0, 4);
GL.Finish();
}
}
GL.Enable(All.Texture2D);
GL.DisableClientState(All.VertexArray);
base.AfterRender();
}
/// <summary>
/// </summary>
protected override void UpdateFromShadow()
{
if (useShadowBuffer && shadowUpdated && !suppressHardwareUpdate)
{
var srcData = shadowBuffer.Lock(lockStart, lockSize, BufferLocking.ReadOnly);
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLESConfig.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, GLESHardwareBufferManager.GetGLUsage(usage));
GLESConfig.GlCheckError(this);
}
else
{
OpenGL.BufferSubData(All.ElementArrayBuffer, new IntPtr(lockStart), new IntPtr(lockSize), srcPtr);
GLESConfig.GlCheckError(this);
}
shadowBuffer.Unlock();
shadowUpdated = false;
}
}
/// <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);
GLESConfig.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, GLESHardwareBufferManager.GetGLUsage(usage));
GLESConfig.GlCheckError(this);
}
else
{
if (discardWholeBuffer)
{
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), IntPtr.Zero, GLESHardwareBufferManager.GetGLUsage(usage));
GLESConfig.GlCheckError(this);
}
// Now update the real buffer
OpenGL.BufferSubData(All.ElementArrayBuffer, new IntPtr(offset), new IntPtr(length), ref srcPtr);
GLESConfig.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
((GLESHardwareBufferManager)HardwareBufferManager.Instance).DeallocateScratch(this._scratchPtr);
this._lockedToScratch = false;
}
else
{
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLESConfig.GlCheckError(this);
if (!OpenGLOES.UnmapBuffer(All.ElementArrayBuffer))
{
throw new AxiomException("Buffer data corrupted, please reload");
}
}
isLocked = false;
}
/// <summary>
/// </summary>
/// <param name="offset"> </param>
/// <param name="length"> </param>
/// <param name="locking"> </param>
/// <returns> </returns>
protected override BufferBase LockImpl(int offset, int length, BufferLocking locking)
{
All access = 0;
if (isLocked)
{
throw new AxiomException("Invalid attempt to lock an index buffer that has already been locked");
}
BufferBase retPtr = null;
if (length < MapBufferThreshold)
{
retPtr = ((GLESHardwareBufferManager)HardwareBufferManager.Instance).AllocateScratch(length);
if (retPtr != null)
{
this._lockedToScratch = true;
this._scratchOffset = offset;
this._scratchSize = length;
this._scratchPtr = retPtr;
this._scratchUploadOnUnlock = (locking != BufferLocking.ReadOnly);
if (locking != BufferLocking.Discard)
{
this.ReadData(offset, length, retPtr);
}
}
}
else
{
throw new AxiomException("Invalid Buffer lockSize");
}
if (retPtr == null)
{
OpenGL.BindBuffer(All.ElementArrayBuffer, this._bufferId);
GLESConfig.GlCheckError(this);
// Use glMapBuffer
if (locking == BufferLocking.Discard)
{
OpenGL.BufferData(All.ElementArrayBuffer, new IntPtr(sizeInBytes), IntPtr.Zero, GLESHardwareBufferManager.GetGLUsage(usage));
GLESConfig.GlCheckError(this);
}
if ((usage & BufferUsage.WriteOnly) != 0)
{
access = All.WriteOnlyOes;
}
IntPtr pBuffer = OpenGLOES.MapBuffer(All.ElementArrayBuffer, access);
GLESConfig.GlCheckError(this);
if (pBuffer == IntPtr.Zero)
{
throw new AxiomException("Index Buffer: Out of memory");
}
unsafe
{
// return offset
retPtr = BufferBase.Wrap(pBuffer, sizeInBytes);
}
this._lockedToScratch = false;
}
isLocked = true;
return(retPtr);
}
public void Dispose()
{
GL11.GenBuffers(0, out _bufferStore);
}
