public void DrawScreenTexture(Texture2D texture, Shader shader, SamplerObject sampler)
{
if (texture == null)
{
return;
}
// Always check program creation before using shaders to prevent crashes.
if (!shader.LinkStatusIsOk)
{
return;
}
// Render using the shader.
shader.UseProgram();
// The sampler's parameters are used instead of the texture's parameters.
int textureUnit = 0;
sampler.Bind(textureUnit);
shader.SetInt("attributeIndex", 1);
Matrix4 matrix4 = Matrix4.Identity;
shader.SetMatrix4x4("mvpMatrix", ref matrix4);
shader.SetTexture("uvTexture", texture, textureUnit);
GL.Disable(EnableCap.DepthTest);
Draw(shader);
}
public static void DrawTexture(Texture texture)
{
if (triangle == null)
{
triangle = new ScreenTriangle();
}
if (sampler == null)
{
sampler = new SamplerObject {
MagFilter = TextureMagFilter.Nearest, MinFilter = TextureMinFilter.Nearest
}
}
;
var shader = ShaderContainer.GetShader("ScreenTexture");
shader.UseProgram();
sampler.Bind(0);
shader.SetTexture("image", texture, 0);
triangle.Draw(shader);
}
