render: split module into gfx_apis and renderer

src/portal/ptl_display.rs

@@ -1,11 +1,11 @@
 use {
     crate::{
+        gfx_apis::gl::RenderContext,
         ifs::wl_seat::POINTER,
         portal::{
             ptl_render_ctx::PortalRenderCtx, ptl_screencast::ScreencastSession,
             ptr_gui::WindowData, PortalState,
         },
-        render::RenderContext,
         utils::{
             bitflags::BitflagsExt, clonecell::CloneCell, copyhashmap::CopyHashMap,
             errorfmt::ErrorFmt, oserror::OsError,

src/portal/ptl_render_ctx.rs

@@ -1,4 +1,4 @@
-use {crate::render::RenderContext, std::rc::Rc, uapi::c};
+use {crate::gfx_apis::gl::RenderContext, std::rc::Rc, uapi::c};
 
 pub struct PortalRenderCtx {
     pub dev_id: c::dev_t,

src/portal/ptr_gui.rs

@@ -4,9 +4,10 @@ use {
         cursor::KnownCursor,
         fixed::Fixed,
         format::ARGB8888,
+        gfx_apis::gl::{Framebuffer, RenderContext, Texture},
         ifs::zwlr_layer_shell_v1::OVERLAY,
         portal::ptl_display::{PortalDisplay, PortalOutput, PortalSeat},
-        render::{Framebuffer, RenderContext, RendererBase, Texture},
+        renderer::renderer_base::RendererBase,
         scale::Scale,
         text::{self, TextMeasurement},
         theme::Color,