public OpenGLESTexture2D(
int mipLevels,
int width,
int height,
PixelFormat veldridFormat,
OpenTK.Graphics.ES30.PixelFormat pixelFormat,
PixelType pixelType)
: base(TextureTarget.Texture2D, width, height)
{
MipLevels = mipLevels;
_veldridFormat = veldridFormat;
_pixelFormat = pixelFormat;
_pixelType = pixelType;
_texComponentCount = OpenGLESFormats.MapTextureComponentCount(veldridFormat, pixelFormat == OpenTK.Graphics.ES30.PixelFormat.DepthComponent);
Bind();
for (int currentLevel = 0; currentLevel < mipLevels; currentLevel++)
{
// Set size, load empty data into texture
GL.TexImage2D(
TextureTarget2d.Texture2D,
currentLevel,
_texComponentCount,
width, height,
0, // border
_pixelFormat,
_pixelType,
IntPtr.Zero);
Utilities.CheckLastGLES3Error();
width = Math.Max(1, width / 2);
height = Math.Max(1, height / 2);
}
}
public OpenGLESCubemapTexture(
IntPtr pixelsFront,
IntPtr pixelsBack,
IntPtr pixelsLeft,
IntPtr pixelsRight,
IntPtr pixelsTop,
IntPtr pixelsBottom,
int width,
int height,
PixelFormat format)
: base(TextureTarget.TextureCubeMap, width, height)
{
_texComponentCount = OpenGLESFormats.MapTextureComponentCount(format, false);
_format = OpenGLESFormats.MapPixelFormat(format);
_type = OpenGLESFormats.MapPixelType(format);
Bind();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
Utilities.CheckLastGLES3Error();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureMinFilter, (int)TextureMagFilter.Linear);
Utilities.CheckLastGLES3Error();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
Utilities.CheckLastGLES3Error();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
Utilities.CheckLastGLES3Error();
GL.TexParameter(TextureTarget.TextureCubeMap, TextureParameterName.TextureWrapR, (int)TextureWrapMode.ClampToEdge);
Utilities.CheckLastGLES3Error();
SetFacePixels(0, pixelsRight);
SetFacePixels(1, pixelsLeft);
SetFacePixels(2, pixelsTop);
SetFacePixels(3, pixelsBottom);
SetFacePixels(4, pixelsBack);
SetFacePixels(5, pixelsFront);
}