public void InitWithBitmap(Bitmap imageSource, ALL11 filter, ALL11 wrap)
{
//TODO: Android.Opengl.GLUtils.GetInternalFormat()
try
{
_format = SurfaceFormat.Color;
if (imageSource.HasAlpha)
{
_format = SurfaceFormat.Color;
}
if (GraphicsDevice.OpenGLESVersion == OpenTK.Graphics.GLContextVersion.Gles2_0)
{
_width = imageSource.Width;
_height = imageSource.Height;
// There are rules for npot textures that we must abide by (wrap = ClampToEdge and filter = Nearest or Linear)
if (!MathHelper.IsPowerOfTwo(_width) || !MathHelper.IsPowerOfTwo(_height))
{
filter = ALL11.Linear;
wrap = ALL11.ClampToEdge;
}
}
else
{
//scale up bitmap to be power of 2 dimensions but dont exceed 1024x1024.
//Note: may not have to do this with OpenGL 2+
_width = (int)Math.Pow(2, Math.Min(10, Math.Ceiling(Math.Log10(imageSource.Width) / Math.Log10(2))));
_height = (int)Math.Pow(2, Math.Min(10, Math.Ceiling(Math.Log10(imageSource.Height) / Math.Log10(2))));
}
_size.Width = _width;
_size.Height = _height;
if (GraphicsDevice.OpenGLESVersion ==
OpenTK.Graphics.GLContextVersion.Gles2_0)
{
GL20.GenTextures(1, ref _name);
}
else
{
GL11.GenTextures(1, ref _name);
}
if (_name == 0)
{
_originalBitmap = imageSource;
_originalFilter = filter;
_originalWrap = wrap;
PrimaryThreadLoader.AddToList(this);
_textureCreated = false;
}
else
{
_originalBitmap = null;
_textureCreated = true;
using (
Bitmap imagePadded = Bitmap.CreateBitmap(_width, _height,
Bitmap.Config.Argb8888)
)
{
using (Canvas can = new Canvas(imagePadded))
{
can.DrawARGB(0, 0, 0, 0);
if (AndroidCompatibility.ScaleImageToPowerOf2)
{
can.DrawBitmap(imageSource, new Rect(0, 0, imageSource.Width, imageSource.Height), new Rect(0, 0, _width, _height), null); //Scale to texture
}
else
{
can.DrawBitmap(imageSource, 0, 0, null);
}
if (GraphicsDevice.OpenGLESVersion ==
OpenTK.Graphics.GLContextVersion.Gles2_0)
{
GL20.BindTexture(ALL20.Texture2D, _name);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureMinFilter,
(int)filter);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureMagFilter,
(int)filter);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureWrapS, (int)wrap);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureWrapT, (int)wrap);
Android.Opengl.GLUtils.TexImage2D((int)ALL20.Texture2D, 0,
imagePadded, 0);
// error checking
//int errAndroidGL = Android.Opengl.GLES20.GlGetError();
//ALL20 errGenericGL = GL20.GetError();
//if (errAndroidGL != Android.Opengl.GLES20.GlNoError || errGenericGL != ALL20.NoError)
// Console.WriteLine(string.Format("OpenGL ES 2.0:\n\tAndroid error: {0,10:X}\n\tGeneric error: {1, 10:X}", errAndroidGL, errGenericGL));
}
else
{
GL11.BindTexture(ALL11.Texture2D, _name);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureMinFilter,
(int)filter);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureMagFilter,
(int)filter);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureWrapS, (int)wrap);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureWrapT, (int)wrap);
GL11.TexParameter(ALL11.Texture2D, ALL11.GenerateMipmap, 1);
Android.Opengl.GLUtils.TexImage2D((int)ALL11.Texture2D, 0,
imagePadded, 0);
}
}
}
}
}
finally
{
if (_originalBitmap != imageSource)
{
// free bitmap
imageSource.Dispose();
}
}
_maxS = _size.Width / (float)_width;
_maxT = _size.Height / (float)_height;
}
public void InitWithData(IntPtr data, SurfaceFormat pixelFormat, int width, int height, Size size, ALL11 filter, ALL11 wrap)
{
if (GraphicsDevice.OpenGLESVersion == OpenTK.Graphics.GLContextVersion.Gles2_0)
{
if (!MathHelper.IsPowerOfTwo(width) || !MathHelper.IsPowerOfTwo(height))
{
filter = ALL11.Linear;
wrap = ALL11.ClampToEdge;
}
GL20.GenTextures(1, ref _name);
GL20.BindTexture(ALL20.Texture2D, _name);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureMinFilter, (int)filter);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureMagFilter, (int)filter);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureWrapS, (int)wrap);
GL20.TexParameter(ALL20.Texture2D, ALL20.TextureWrapT, (int)wrap);
switch (pixelFormat)
{
case SurfaceFormat.Color /*kTexture2DPixelFormat_RGBA8888*/:
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt3:
//sz = 4;
GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Rgba, (int)width, (int)height, 0, ALL20.Rgba, ALL20.UnsignedByte, data);
break;
case SurfaceFormat.Bgra4444 /*kTexture2DPixelFormat_RGBA4444*/:
//sz = 2;
GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Rgba, (int)width, (int)height, 0, ALL20.Rgba, ALL20.UnsignedShort4444, data);
break;
case SurfaceFormat.Bgra5551 /*kTexture2DPixelFormat_RGB5A1*/:
//sz = 2;
GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Rgba, (int)width, (int)height, 0, ALL20.Rgba, ALL20.UnsignedShort5551, data);
break;
case SurfaceFormat.Alpha8 /*kTexture2DPixelFormat_A8*/:
//sz = 1;
GL20.TexImage2D(ALL20.Texture2D, 0, (int)ALL20.Alpha, (int)width, (int)height, 0, ALL20.Alpha, ALL20.UnsignedByte, data);
break;
default:
throw new NotSupportedException("Texture format");
}
}
else
{
GL11.GenTextures(1, ref _name);
GL11.BindTexture(ALL11.Texture2D, _name);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureMinFilter, (int)filter);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureMagFilter, (int)filter);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureWrapS, (int)ALL11.ClampToEdge);
GL11.TexParameter(ALL11.Texture2D, ALL11.TextureWrapT, (int)ALL11.ClampToEdge);
switch (pixelFormat)
{
case SurfaceFormat.Color /*kTexture2DPixelFormat_RGBA8888*/:
case SurfaceFormat.Dxt1:
case SurfaceFormat.Dxt3:
GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Rgba, (int)width, (int)height, 0, ALL11.Rgba, ALL11.UnsignedByte, data);
break;
case SurfaceFormat.Bgra4444 /*kTexture2DPixelFormat_RGBA4444*/:
GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Rgba, (int)width, (int)height, 0, ALL11.Rgba, ALL11.UnsignedShort4444, data);
break;
case SurfaceFormat.Bgra5551 /*kTexture2DPixelFormat_RGB5A1*/:
GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Rgba, (int)width, (int)height, 0, ALL11.Rgba, ALL11.UnsignedShort5551, data);
break;
case SurfaceFormat.Alpha8 /*kTexture2DPixelFormat_A8*/:
GL11.TexImage2D(ALL11.Texture2D, 0, (int)ALL11.Alpha, (int)width, (int)height, 0, ALL11.Alpha, ALL11.UnsignedByte, data);
break;
default:
throw new NotSupportedException("Texture format");
}
}
_size = size;
_width = width;
_height = height;
_format = pixelFormat;
_maxS = size.Width / (float)_width;
_maxT = size.Height / (float)_height;
}
protected override void createInternalResources()
{
//Conver to nearest power of two size if require
this.width = GLES2PixelUtil.OptionalPO2(Width);
this.height = GLES2PixelUtil.OptionalPO2(Height);
this.depth = GLES2PixelUtil.OptionalPO2(Depth);
//Adjust format if required
format = TextureManager.Instance.GetNativeFormat(textureType, Format, usage);
//Check requested number of mipmaps
int maxMips = GLES2PixelUtil.GetMaxMipmaps(this.width, this.height, this.depth, format);
if (PixelUtil.IsCompressed(format) && (mipmapCount == 0))
{
requestedMipmapCount = 0;
}
mipmapCount = requestedMipmapCount;
if (mipmapCount > maxMips)
{
mipmapCount = maxMips;
}
//Generate texture name
GL.GenTextures(1, ref this.textureID);
GLES2Config.GlCheckError(this);
//Set texture name
GL.BindTexture(this.GLES2TextureTarget, this.textureID);
GLES2Config.GlCheckError(this);
//Set some misc default parameters, tehse can of course be changed later
GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureMinFilter, (int)GLenum.Nearest);
GLES2Config.GlCheckError(this);
GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureMagFilter, (int)GLenum.Nearest);
GLES2Config.GlCheckError(this);
GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureWrapS, (int)GLenum.ClampToEdge);
GLES2Config.GlCheckError(this);
GL.TexParameter(this.GLES2TextureTarget, GLenum.TextureWrapT, (int)GLenum.ClampToEdge);
GLES2Config.GlCheckError(this);
//If we can do automip generation and the user desires this, do so
mipmapsHardwareGenerated = Root.Instance.RenderSystem.Capabilities.HasCapability(Capabilities.HardwareMipMaps) && !PixelUtil.IsCompressed(format);
//Ogre FIXME: For some reason this is crashing on iOS 5
#if !MONOTOUCH && ANDROID
if ((usage & TextureUsage.AutoMipMap) == TextureUsage.AutoMipMap && requestedMipmapCount > 0 && mipmapsHardwareGenerated && (textureType != Graphics.TextureType.CubeMap))
{
GL.GenerateMipmap(this.GLES2TextureTarget);
GLES2Config.GlCheckError(this);
}
#endif
//Allocate internal buffer so that glTexSubImageXD can be used
//INternal format
GLenum glformat = GLES2PixelUtil.GetClosestGLInternalFormat(format, hwGamma);
GLenum dataType = GLES2PixelUtil.GetGLOriginDataType(format);
int width = Width;
int height = Height;
int depth = Depth;
if (PixelUtil.IsCompressed(format))
{
//Compressed formats
int size = PixelUtil.GetMemorySize(Width, Height, Depth, Format);
// Provide temporary buffer filled with zeroes as glCompressedTexImageXD does not
// accept a 0 pointer like normal glTexImageXD
// Run through this process for every mipmap to pregenerate mipmap pyramid
var tmpData = new IntPtr();
for (int mip = 0; mip < mipmapCount; mip++)
{
size = PixelUtil.GetMemorySize(width, height, depth, Format);
switch (textureType)
{
case TextureType.OneD:
case TextureType.TwoD:
GL.CompressedTexImage2D(GLenum.Texture2D, mip, glformat, width, height, 0, size, tmpData);
GLES2Config.GlCheckError(this);
break;
case TextureType.CubeMap:
for (int face = 0; face < 6; face++)
{
GL.CompressedTexImage2D((GLenum)((int)GLenum.TextureCubeMapPositiveX + face), mip, glformat, width, height, 0, size, tmpData);
GLES2Config.GlCheckError(this);
}
break;
case TextureType.ThreeD:
break;
default:
break;
}
if (width > 1)
{
width = width / 2;
}
if (height > 1)
{
height = height / 2;
}
if (depth > 1)
{
depth = depth / 2;
}
}
tmpData = IntPtr.Zero;
}
else
{
//Run through this process to pregenerate mipmap pyramid
for (int mip = 0; mip < mipmapCount; mip++)
{
//Normal formats
switch (textureType)
{
case TextureType.OneD:
case TextureType.TwoD:
GL.TexImage2D(GLenum.Texture2D, mip, (int)glformat, width, height, 0, glformat, dataType, new IntPtr());
GLES2Config.GlCheckError(this);
break;
case TextureType.CubeMap:
for (int face = 0; face < 6; face++)
{
GL.TexImage2D(GLenum.TextureCubeMapPositiveX + face, mip, (int)glformat, width, height, 0, glformat, dataType, new IntPtr());
GLES2Config.GlCheckError(this);
}
break;
case TextureType.ThreeD:
default:
break;
}
if (width > 1)
{
width /= 2;
}
if (height > 1)
{
height /= 2;
}
}
}
this.CreateSurfaceList();
//Get final internal format
base.format = this.GetBuffer(0, 0).Format;
}
