private static GLTexMagFilter ToOpenTKTextureMagFilter(TextureMagFilter value)
{
switch (value)
{
default:
case TextureMagFilter.Nearest: return(GLTexMagFilter.Nearest);
case TextureMagFilter.Linear: return(GLTexMagFilter.Linear);
}
}
private static uint ToOpenTKTextureMagFilter(TextureMagFilter value)
{
switch (value)
{
default:
case TextureMagFilter.Nearest: return(WebGLRenderingContextBase.NEAREST);
case TextureMagFilter.Linear: return(WebGLRenderingContextBase.LINEAR);
}
}
void INativeTexture.SetupEmpty(TexturePixelFormat format, int width, int height, TextureMinFilter minFilter, TextureMagFilter magFilter, TextureWrapMode wrapX, TextureWrapMode wrapY, int anisoLevel, bool mipmaps)
{
DefaultOpenTKBackendPlugin.GuardSingleThreadState();
int lastTexId;
GL.GetInteger(GetPName.TextureBinding2D, out lastTexId);
if (lastTexId != this.handle)
{
GL.BindTexture(TextureTarget.Texture2D, this.handle);
}
// Set texture parameters
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)ToOpenTKTextureMinFilter(minFilter));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)ToOpenTKTextureMagFilter(magFilter));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)ToOpenTKTextureWrapMode(wrapX));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)ToOpenTKTextureWrapMode(wrapY));
// Anisotropic filtering
if (anisoLevel > 0)
{
GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, (float)anisoLevel);
}
// If needed, care for Mipmaps
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, mipmaps ? 1 : 0);
// Setup pixel format
GL.TexImage2D(TextureTarget.Texture2D, 0,
ToOpenTKPixelFormat(format), width, height, 0,
GLPixelFormat.Rgba, PixelType.UnsignedByte, IntPtr.Zero);
this.width = width;
this.height = height;
this.format = format;
this.mipmaps = mipmaps;
if (lastTexId != this.handle)
{
GL.BindTexture(TextureTarget.Texture2D, lastTexId);
}
}
void INativeTexture.SetupEmpty(TexturePixelFormat format, int width, int height, TextureMinFilter minFilter, TextureMagFilter magFilter, TextureWrapMode wrapX, TextureWrapMode wrapY, int anisoLevel, bool mipmaps)
{
// Removed thread guards because of performance
//DefaultOpenTKBackendPlugin.GuardSingleThreadState();
if (width == 0 || height == 0)
{
return;
}
int lastTexId;
GL.GetInteger(GetPName.TextureBinding2D, out lastTexId);
if (lastTexId != this.handle)
{
GL.BindTexture(TextureTarget.Texture2D, this.handle);
}
// Set texture parameters
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)ToOpenTKTextureMinFilter(minFilter));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)ToOpenTKTextureMagFilter(magFilter));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)ToOpenTKTextureWrapMode(wrapX));
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)ToOpenTKTextureWrapMode(wrapY));
// Anisotropic filtering
// ToDo: Add similar code for OpenGL ES
//if (anisoLevel > 0) {
// GL.TexParameter(TextureTarget.Texture2D, (TextureParameterName)ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, (float)anisoLevel);
//}
// If needed, care for Mipmaps
// ToDo: Why are mipmaps disabled here?
//GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.GenerateMipmap, mipmaps ? 1 : 0);
// Setup pixel format
GL.TexImage2D(TextureTarget2d.Texture2D, 0,
ToOpenTKPixelInternalFormat(format), width, height, 0,
ToOpenTKPixelFormat(format), PixelType.UnsignedByte, IntPtr.Zero);
//GL.GenerateMipmap(TextureTarget.Texture2D);
this.width = width;
this.height = height;
this.format = format;
this.mipmaps = mipmaps;
if (lastTexId != this.handle)
{
GL.BindTexture(TextureTarget.Texture2D, lastTexId);
}
}
void INativeTexture.SetupEmpty(TexturePixelFormat format, int width, int height, TextureMinFilter minFilter, TextureMagFilter magFilter, TextureWrapMode wrapX, TextureWrapMode wrapY, int anisoLevel, bool mipmaps)
{
// Removed thread guards because of performance
//DefaultOpenTKBackendPlugin.GuardSingleThreadState();
WebGLTexture lastTexId = (WebGLTexture)GraphicsBackend.GL.GetParameter(WebGLRenderingContextBase.TEXTURE_BINDING_2D);
if (lastTexId != this.handle)
{
GraphicsBackend.GL.BindTexture(WebGLRenderingContextBase.TEXTURE_2D, this.handle);
}
// Set texture parameters
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_MIN_FILTER, (int)ToOpenTKTextureMinFilter(minFilter));
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_MAG_FILTER, (int)ToOpenTKTextureMagFilter(magFilter));
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_WRAP_S, (int)ToOpenTKTextureWrapMode(wrapX));
GraphicsBackend.GL.TexParameteri(WebGLRenderingContextBase.TEXTURE_2D, WebGLRenderingContextBase.TEXTURE_WRAP_T, (int)ToOpenTKTextureWrapMode(wrapY));
// Anisotropic filtering
// ToDo: Add similar code for OpenGL ES
//if (anisoLevel > 0) {
// GraphicsBackend.GL.TexParameter(WebGLRenderingContextBase.TEXTURE_2D, (TextureParameterName)ExtTextureFilterAnisotropic.TextureMaxAnisotropyExt, (float)anisoLevel);
//}
// If needed, care for Mipmaps
// ToDo: Why are mipmaps disabled here?
//GraphicsBackend.GL.TexParameter(WebGLRenderingContextBase.TEXTURE_2D, TextureParameterName.GenerateMipmap, mipmaps ? 1 : 0);
// Setup pixel format
GraphicsBackend.GL.TexImage2D(WebGLRenderingContextBase.TEXTURE_2D, 0,
ToOpenTKPixelInternalFormat(format), width, height, 0,
ToOpenTKPixelFormat(format), WebGLRenderingContextBase.UNSIGNED_BYTE, null);
//GraphicsBackend.GL.GenerateMipmap(WebGLRenderingContextBase.TEXTURE_2D);
this.width = width;
this.height = height;
this.format = format;
this.mipmaps = mipmaps;
if (lastTexId != this.handle)
{
GraphicsBackend.GL.BindTexture(WebGLRenderingContextBase.TEXTURE_2D, lastTexId);
}
}
