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 OpenGLTexture2D(
int width,
int height,
PixelFormat veldridFormat,
PixelInternalFormat internalFormat,
OpenTK.Graphics.OpenGL.PixelFormat pixelFormat,
PixelType pixelType,
IntPtr pixelData)
: base(TextureTarget.Texture2D, width, height)
{
_veldridFormat = veldridFormat;
_internalFormat = internalFormat;
_pixelFormat = pixelFormat;
_pixelType = pixelType;
Bind();
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
// Set size, load empty data into texture
GL.TexImage2D(
TextureTarget.Texture2D,
0, // level
internalFormat,
width, height,
0, // border
_pixelFormat,
_pixelType,
pixelData);
}
Graphics.PixelFormat StorageFormatToPixelFormat()
{
Graphics.PixelFormat format = Graphics.PixelFormat.R16G16B16A16_Float;
switch (StorageFormat)
{
case StorageFormats.RGBA8:
format = Graphics.PixelFormat.R8G8B8A8_UNorm;
break;
case StorageFormats.R10G10B10A2:
format = Graphics.PixelFormat.R10G10B10A2_UNorm;
break;
case StorageFormats.RGBA16F:
format = Graphics.PixelFormat.R16G16B16A16_Float;
break;
}
return(format);
}
public void PrepareLocalStorage(VoxelStorageContext context, IVoxelStorage storage)
{
StorageMethod.PrepareLocalStorage(context, storage, 4, 1);
Graphics.PixelFormat format = Graphics.PixelFormat.R16G16B16A16_Float;
switch (StorageFormat)
{
case StorageFormats.RGBA8:
format = Graphics.PixelFormat.R8G8B8A8_UNorm;
break;
case StorageFormats.R10G10B10A2:
format = Graphics.PixelFormat.R10G10B10A2_UNorm;
break;
case StorageFormats.RGBA16F:
format = Graphics.PixelFormat.R16G16B16A16_Float;
break;
}
storage.UpdateTexture(context, ref IsotropicTex, format, 1);
}
public OpenGLTexture2D(
int mipLevels,
int width,
int height,
PixelFormat veldridFormat,
PixelInternalFormat internalFormat,
OpenTK.Graphics.OpenGL.PixelFormat pixelFormat,
PixelType pixelType)
: base(TextureTarget.Texture2D, width, height)
{
MipLevels = mipLevels;
_veldridFormat = veldridFormat;
_internalFormat = internalFormat;
_pixelFormat = pixelFormat;
_pixelType = pixelType;
Bind();
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
for (int currentLevel = 0; currentLevel < mipLevels; currentLevel++)
{
// Set size, load empty data into texture
GL.TexImage2D(
TextureTarget.Texture2D,
currentLevel,
internalFormat,
width, height,
0, // border
_pixelFormat,
_pixelType,
IntPtr.Zero);
Utilities.CheckLastGLError();
width = Math.Max(1, width / 2);
height = Math.Max(1, height / 2);
}
}
