/// <summary>
/// Creates a new <see cref="GLHardwareRenderer"/> that will use the specified <see cref="IRenderStrategy"/>
/// to render the contents of the libretro core's framebuffer to the specified <see cref="IRenderContext"/>.
/// </summary>
/// <param name="renderStrategy">The render strategy to use to render to the <paramref name="frontendContext"/>.</param>
/// <param name="frontendContext">The render context to render to.</param>
public GLHardwareRenderer(IRenderStrategy renderStrategy, IRenderContext frontendContext)
{
// We can't reference the GetCurrentFramebuffer method from a field initializer, so need to set it here
_getCurrentFramebufferDlgt = new retro_hw_get_current_framebuffer_t(GetCurrentFramebuffer);
_renderStrategy = renderStrategy;
_frontendContext = frontendContext;
}
public bool Init()
{
if (!glfwInit())
{
return(false);
}
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
glfwWindowHint(GLFW_FOCUSED, GLFW_FALSE);
glfwWindowHint(GLFW_FOCUS_ON_SHOW, GLFW_FALSE);
glfwWindowHint(GLFW_RED_BITS, 8);
glfwWindowHint(GLFW_GREEN_BITS, 8);
glfwWindowHint(GLFW_BLUE_BITS, 8);
glfwWindowHint(GLFW_ALPHA_BITS, 8);
glfwWindowHint(GLFW_DEPTH_BITS, 24);
glfwWindowHint(GLFW_STENCIL_BITS, 8);
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_FALSE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_ANY_PROFILE);
_windowHandle = glfwCreateWindow(800, 600, "LibretroOpenGLHelperWindow", IntPtr.Zero, IntPtr.Zero);
if (_windowHandle == IntPtr.Zero)
{
glfwTerminate();
return(false);
}
glfwMakeContextCurrent(_windowHandle);
glReadPixels = Marshal.GetDelegateForFunctionPointer <glReadPixels_f>(glfwGetProcAddress("glReadPixels"));
if (glReadPixels == null)
{
glfwTerminate();
return(false);
}
GetCurrentFrameBufferCallback = GetCurrentFrameBuffer;
GetProcAddressCallback = GetProcAddress;
return(true);
}
