public GLES2RenderBuffer(All format, int width, int height, int numSamples)
: base(width, height, 1, GLES2PixelUtil.GetClosestAxiomFormat(format, (All)PixelFormat.A8R8G8B8), BufferUsage.WriteOnly)
{
GlInternalFormat = format;
//Genearte renderbuffer
GL.GenRenderbuffers(1, ref this.renderBufferID);
GLES2Config.GlCheckError(this);
//Bind it to FBO
GL.BindRenderbuffer(All.Renderbuffer, this.renderBufferID);
GLES2Config.GlCheckError(this);
//Allocate storage for depth buffer
if (numSamples > 0)
{
}
else
{
GL.RenderbufferStorage(All.Renderbuffer, format, width, height);
GLES2Config.GlCheckError(this);
}
}
public GLES2TextureBuffer(string baseName, All target, int id, int width, int height, All internalFormat, All format, int face, int level, BufferUsage usage, bool crappyCard, bool writeGamma, int fsaa)
: base(0, 0, 0, PixelFormat.Unknown, usage)
{
this.target = target;
this.textureID = id;
this.face = face;
this.level = level;
this.softwareMipmap = crappyCard;
GLES2Config.GlCheckError(this);
GL.BindTexture(target, this.textureID);
GLES2Config.GlCheckError(this);
//Get face identifier
this.faceTarget = this.target;
if (this.target == All.TextureCubeMap)
{
this.faceTarget = All.TextureCubeMapPositiveX + face;
}
//Calculate the width and height of the texture at this mip level
this.width = this.level == 0 ? width : (int)(width / Math.Utility.Pow(2, level));
this.height = this.level == 0 ? height : (int)(height / Math.Utility.Pow(2, level));
if (this.width < 1)
{
this.width = 1;
}
if (this.height < 1)
{
this.height = 1;
}
//Only 2D is supporte so depth is always 1
depth = 1;
GlInternalFormat = internalFormat;
this.format = GLES2PixelUtil.GetClosestAxiomFormat(internalFormat, format);
rowPitch = this.width;
slicePitch = this.height * this.width;
sizeInBytes = PixelUtil.GetMemorySize(this.width, this.height, depth, this.format);
//Setup a pixel box
Buffer = new PixelBox(this.width, this.height, depth, this.format);
if (this.width == 0 || this.height == 0 || depth == 0)
{
//We are invalid, do not allocat a buffer
return;
}
if (((TextureUsage)usage & TextureUsage.RenderTarget) == TextureUsage.RenderTarget)
{
//Create render target for each slice
for (int zoffset = 0; zoffset < depth; zoffset++)
{
var name = "rtt/ " + GetHashCode() + "/" + baseName;
var rtarget = new GLES2SurfaceDesc {
buffer = this, zoffset = zoffset
};
var trt = GLES2RTTManager.Instance.CreateRenderTexture(name, rtarget, writeGamma, fsaa);
this.sliceTRT.Add(trt);
Core.Root.Instance.RenderSystem.AttachRenderTarget(this.sliceTRT[zoffset]);
}
}
}
