protected override void PlatformSetTexture(int slot, ShaderTextureBinding textureBinding)
{
OpenGLTextureBinding glTextureBinding = (OpenGLTextureBinding)textureBinding;
OpenGLTextureBindingSlotInfo info = ShaderResourceBindingSlots.GetTextureBindingInfo(slot);
_textureSamplerManager.SetTexture(info.RelativeIndex, glTextureBinding);
ShaderSet.UpdateTextureUniform(info.UniformLocation, info.RelativeIndex);
}
public void SetTexture(int textureUnit, OpenGLTextureBinding texture)
{
if (_textureUnitTextures[textureUnit] != texture)
{
if (_dsaAvailable)
{
GL.BindTextureUnit(textureUnit, texture.BoundTexture.ID);
}
else
{
GL.ActiveTexture(TextureUnit.Texture0 + textureUnit);
GL.BindTexture(texture.BoundTexture.Target, texture.BoundTexture.ID);
}
EnsureSamplerMipmapState(textureUnit, texture.BoundTexture.MipLevels > 1);
_textureUnitTextures[textureUnit] = texture;
}
}
public void SetSampler(int textureUnit, OpenGLSamplerState samplerState)
{
if (_textureUnitSamplers[textureUnit].SamplerState != samplerState)
{
bool mipmapped = false;
OpenGLTextureBinding texBinding = _textureUnitTextures[textureUnit];
if (texBinding != null)
{
mipmapped = texBinding.BoundTexture.MipLevels > 1;
}
samplerState.Apply(textureUnit, mipmapped);
_textureUnitSamplers[textureUnit] = new BoundSamplerStateInfo(samplerState, mipmapped);
}
else if (_textureUnitTextures[textureUnit] != null)
{
EnsureSamplerMipmapState(textureUnit, _textureUnitTextures[textureUnit].BoundTexture.MipLevels > 1);
}
}
