diff --git a/src/renderer_gl/render_runtime_dispatch.h b/src/renderer_gl/render_runtime_dispatch.h
new file mode 100644
index 00000000..df2df62e
--- /dev/null
+++ b/src/renderer_gl/render_runtime_dispatch.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "app.h"
+
+#include <future>
+#include <utility>
+
+namespace pp::renderer::gl {
+
+struct RenderRuntimeDispatch
+{
+    AppRuntime* runtime = nullptr;
+
+    [[nodiscard]] bool is_render_thread() const noexcept
+    {
+        return runtime != nullptr && runtime->is_render_thread();
+    }
+
+    template<typename T>
+    std::future<void> render_task_async(T task, bool unique = false) const
+    {
+        return runtime->render_task_async(std::move(task), unique);
+    }
+
+    template<typename T>
+    void render_task(T task) const
+    {
+        runtime->render_task(std::move(task));
+    }
+};
+
+[[nodiscard]] inline RenderRuntimeDispatch render_runtime_dispatch() noexcept
+{
+    return RenderRuntimeDispatch { &App::I->runtime() };
+}
+
+} // namespace pp::renderer::gl
diff --git a/src/rtt.cpp b/src/rtt.cpp
index 669a1d3c..7fc80f42 100644
--- a/src/rtt.cpp
+++ b/src/rtt.cpp
@@ -2,12 +2,12 @@
 #include "log.h"
 #include "rtt.h"
 #include "util.h"
-#include "app.h"
 #include "legacy_gl_framebuffer_dispatch.h"
 #include "legacy_gl_pixel_buffer_dispatch.h"
 #include "legacy_gl_renderbuffer_dispatch.h"
 #include "legacy_gl_texture_dispatch.h"
 #include "legacy_ui_gl_dispatch.h"
+#include "renderer_gl/render_runtime_dispatch.h"
 #include "renderer_gl/opengl_capabilities.h"
 
 #include <cstdint>
@@ -76,7 +76,7 @@ bool RTT::resize(int width, int height)
     bool ret = false;
     RTT new_rtt;
     
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         ret = new_rtt.create(width, height, -1, int_fmt, rboID != 0);
         if (!ret)
@@ -121,7 +121,7 @@ void RTT::destroy()
 {
     if (!valid())
         return;
-    App::I->render_task_async([rboID=rboID, texID=texID, fboID=fboID]
+    pp::renderer::gl::render_runtime_dispatch().render_task_async([rboID=rboID, texID=texID, fboID=fboID]
     {
         if (rboID)
         {
@@ -159,7 +159,7 @@ void RTT::copy(const RTT & source)
 {
     if (!valid() || !source.valid())
         return;
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         const auto status = pp::renderer::gl::blit_opengl_framebuffer(
             pp::renderer::gl::OpenGlFramebufferBlit {
@@ -180,7 +180,7 @@ void RTT::copy(const RTT& source, const glm::vec4& rect)
 {
     if (!valid() || !source.valid())
         return;
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         auto r = rect_intersection(rect, { 0, 0, w, h });
         const auto status = pp::renderer::gl::blit_opengl_framebuffer(
@@ -237,7 +237,7 @@ bool RTT::create(int width, int height, int tex)
 bool RTT::create(int width, int height, int tex/* = -1*/, GLint internal_format, bool depth_buffer /*= false*/)
 {
     std::uint32_t status = 0;
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         // Destroy any previously created object
         destroy();
@@ -326,7 +326,7 @@ bool RTT::create(int width, int height, int tex/* = -1*/, GLint internal_format,
 
 void RTT::bindFramebuffer()
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
 #ifdef _DEBUG
     if (bound)
     {
@@ -351,7 +351,7 @@ void RTT::bindFramebuffer()
 
 void RTT::unbindFramebuffer()
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     if (!bound)
         return;
     const auto status = pp::renderer::gl::restore_opengl_framebuffer_binding(
@@ -372,7 +372,7 @@ void RTT::unbindFramebuffer()
 
 void RTT::clear(glm::vec4 color)
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     const auto status = pp::renderer::gl::clear_opengl_render_target(
         pp::renderer::gl::OpenGlDefaultClear {
             .color = { color.r, color.g, color.b, color.a },
@@ -389,7 +389,7 @@ void RTT::clear(glm::vec4 color)
 
 void RTT::clear_mask(glm::bool4 mask, glm::vec4 color)
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     const auto status = pp::renderer::gl::clear_opengl_color_buffer_with_write_mask(
         pp::renderer::gl::OpenGlColorMaskedClear {
             .mask = {
@@ -438,7 +438,7 @@ bool RTT::readPixelsRgba8(int x, int y, int width, int height, void* buffer) con
         return false;
 
     bool ret = true;
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         const auto readback = pp::renderer::gl::rgba8_readback_format();
         const auto status = pp::renderer::gl::readback_opengl_framebuffer(
@@ -489,7 +489,7 @@ uint8_t* RTT::readTextureData(uint8_t* buffer) const noexcept
         return nullptr;
     if (!buffer)
         buffer = createBuffer();
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         const auto readback = pp::renderer::gl::rgba8_readback_format();
         const auto status = pp::renderer::gl::readback_opengl_framebuffer(
@@ -513,7 +513,7 @@ float* RTT::readTextureDataFloat(float* buffer) const noexcept
         return nullptr;
     if (!buffer)
         buffer = createBufferFloat();
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         const auto readback = pp::renderer::gl::rgba32f_readback_format();
         const auto status = pp::renderer::gl::readback_opengl_framebuffer(
@@ -552,7 +552,7 @@ float * RTT::createBufferFloat() const noexcept
 
 void RTT::bindTexture()
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     pp::legacy::gl_texture::bind_texture_2d(
         static_cast<std::uint32_t>(texID),
         "RTT::bindTexture()");
@@ -560,7 +560,7 @@ void RTT::bindTexture()
 
 void RTT::unbindTexture()
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     pp::legacy::gl_texture::bind_texture_2d(
         0U,
         "RTT::unbindTexture()");
@@ -616,7 +616,7 @@ PBO::~PBO() noexcept
 
 bool PBO::create() noexcept
 {
-    App::I->render_task([this] {
+    pp::renderer::gl::render_runtime_dispatch().render_task([this] {
         const auto result = pp::renderer::gl::allocate_opengl_pixel_buffer(
             pp::legacy::gl_pixel_buffer::pixel_buffer_allocation_dispatch());
         if (!result.ok()) {
@@ -631,7 +631,7 @@ bool PBO::create() noexcept
 
 bool PBO::create(RTT& rtt) noexcept
 {
-    App::I->render_task([this, &rtt] {
+    pp::renderer::gl::render_runtime_dispatch().render_task([this, &rtt] {
         width = rtt.getWidth();
         height = rtt.getHeight();
         rtt.bindFramebuffer();
@@ -655,7 +655,7 @@ void PBO::destroy() noexcept
 {
     if (buffer_id)
     {
-        App::I->render_task_async([id=buffer_id] {
+        pp::renderer::gl::render_runtime_dispatch().render_task_async([id=buffer_id] {
             const auto status = pp::renderer::gl::delete_opengl_pixel_buffer(
                 id,
                 pp::legacy::gl_pixel_buffer::pixel_buffer_delete_dispatch());
@@ -673,7 +673,7 @@ void PBO::destroy() noexcept
 
 glm::uint8_t* PBO::map() noexcept
 {
-    App::I->render_task([this] {
+    pp::renderer::gl::render_runtime_dispatch().render_task([this] {
         const auto result = pp::renderer::gl::map_opengl_pixel_buffer(
             buffer_id,
             width,
@@ -692,7 +692,7 @@ glm::uint8_t* PBO::map() noexcept
 
 void PBO::unmap() noexcept
 {
-    App::I->render_task([this] {
+    pp::renderer::gl::render_runtime_dispatch().render_task([this] {
         const auto status = pp::renderer::gl::unmap_opengl_pixel_buffer(
             buffer_id,
             pp::legacy::gl_pixel_buffer::pixel_buffer_unmap_dispatch());
diff --git a/src/texture.cpp b/src/texture.cpp
index 67655b5c..4d80c807 100644
--- a/src/texture.cpp
+++ b/src/texture.cpp
@@ -2,10 +2,10 @@
 #include "log.h"
 #include "texture.h"
 #include "util.h"
-#include "app.h"
 #include "legacy_gl_framebuffer_dispatch.h"
 #include "legacy_gl_sampler_dispatch.h"
 #include "legacy_gl_texture_dispatch.h"
+#include "renderer_gl/render_runtime_dispatch.h"
 #include "renderer_gl/opengl_capabilities.h"
 
 #include <cstdint>
@@ -41,7 +41,7 @@ void TextureCube::operator=(TextureCube&& other) noexcept
 
 bool TextureCube::create(int resolution) noexcept
 {
-    App::I->render_task([this, resolution]
+    pp::renderer::gl::render_runtime_dispatch().render_task([this, resolution]
     {
         destroy();
         m_resolution = resolution;
@@ -67,7 +67,7 @@ void TextureCube::destroy() noexcept
 {
     if (m_cubetex_id)
     {
-        App::I->render_task([f=m_faces, id=m_cubetex_id]
+        pp::renderer::gl::render_runtime_dispatch().render_task([f=m_faces, id=m_cubetex_id]
         {
             std::array<std::uint32_t, 7> texture_ids {};
             for (std::size_t i = 0U; i < f.size(); ++i)
@@ -85,7 +85,7 @@ void TextureCube::destroy() noexcept
 
 void TextureCube::bind() const noexcept
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     pp::legacy::gl_texture::bind_texture_cube(
         static_cast<std::uint32_t>(m_cubetex_id),
         "TextureCube::bind()");
@@ -139,7 +139,7 @@ Image Texture2D::get_image() const noexcept
 {
     Image ret;
     ret.create(m_width, m_height);
-    App::I->render_task([&]
+    pp::renderer::gl::render_runtime_dispatch().render_task([&]
     {
         const auto readback = pp::renderer::gl::readback_opengl_texture_2d(
             pp::renderer::gl::OpenGlTexture2DReadback {
@@ -205,7 +205,7 @@ bool Texture2D::create(int width, int height, GLint internal_format)
 
 bool Texture2D::create(int width, int height, GLint internal_format, GLint format, const uint8_t* data)
 {
-    App::I->render_task([=]
+    pp::renderer::gl::render_runtime_dispatch().render_task([=]
     {
         destroy();
         const auto component_type = pp::renderer::gl::texture_upload_type_for_internal_format(
@@ -248,7 +248,7 @@ bool Texture2D::create(const Image& img)
 
 void Texture2D::create_mipmaps()
 {
-    App::I->render_task([this]
+    pp::renderer::gl::render_runtime_dispatch().render_task([this]
     {
         if (!pp::legacy::gl_texture::generate_texture_2d_mipmaps(
             static_cast<std::uint32_t>(m_tex),
@@ -300,7 +300,7 @@ void Texture2D::destroy()
 {
     if (m_tex)
     {
-        App::I->render_task_async([id = m_tex] 
+        pp::renderer::gl::render_runtime_dispatch().render_task_async([id = m_tex] 
         {
             pp::legacy::gl_texture::delete_texture_2d(
                 static_cast<std::uint32_t>(id),
@@ -312,7 +312,7 @@ void Texture2D::destroy()
 
 void Texture2D::bind() const
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     pp::legacy::gl_texture::bind_texture_2d(
         static_cast<std::uint32_t>(m_tex),
         "Texture2D::bind()");
@@ -320,7 +320,7 @@ void Texture2D::bind() const
 
 void Texture2D::unbind() const
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     pp::legacy::gl_texture::bind_texture_2d(
         0U,
         "Texture2D::unbind()");
@@ -328,7 +328,7 @@ void Texture2D::unbind() const
 
 void Texture2D::update(const uint8_t* data)
 {
-    App::I->render_task([this, data]
+    pp::renderer::gl::render_runtime_dispatch().render_task([this, data]
     {
         pp::legacy::gl_texture::update_texture_2d(
             pp::renderer::gl::OpenGlTexture2DUpdate {
@@ -356,7 +356,7 @@ Texture2D::~Texture2D()
 bool Sampler::create(GLint filter, GLint wrap)
 {
     bool ret = false;
-    App::I->render_task([this, &ret, filter, wrap]
+    pp::renderer::gl::render_runtime_dispatch().render_task([this, &ret, filter, wrap]
     {
         const auto parameters = pp::renderer::gl::sampler_parameters_for_filter_wrap(
             static_cast<std::uint32_t>(filter),
@@ -389,7 +389,7 @@ bool Sampler::create(GLint filter)
 
 void Sampler::set(GLint filter, GLint wrap)
 {
-    App::I->render_task([=]
+    pp::renderer::gl::render_runtime_dispatch().render_task([=]
     {
         const auto parameters = pp::renderer::gl::sampler_parameters_for_filter_wrap(
             static_cast<std::uint32_t>(filter),
@@ -415,7 +415,7 @@ void Sampler::set(GLint filter)
 
 void Sampler::set_filter(GLint filter_min, GLint filter_mag)
 {
-    App::I->render_task([=]
+    pp::renderer::gl::render_runtime_dispatch().render_task([=]
     {
         const auto parameters = pp::renderer::gl::sampler_filter_parameters(
             static_cast<std::uint32_t>(filter_min),
@@ -428,7 +428,7 @@ void Sampler::set_filter(GLint filter_min, GLint filter_mag)
 }
 void Sampler::set_border(glm::vec4 rgba)
 {
-    App::I->render_task([this, rgba]
+    pp::renderer::gl::render_runtime_dispatch().render_task([this, rgba]
     {
         pp::legacy::gl_sampler::set_sampler_border_color(
             static_cast<std::uint32_t>(id),
@@ -439,7 +439,7 @@ void Sampler::set_border(glm::vec4 rgba)
 }
 void Sampler::bind(int unit) const
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     current_unit = unit;
     pp::legacy::gl_sampler::bind_sampler(
         static_cast<std::uint32_t>(unit),
@@ -448,7 +448,7 @@ void Sampler::bind(int unit) const
 }
 void Sampler::unbind()
 {
-    assert(App::I->is_render_thread());
+    assert(pp::renderer::gl::render_runtime_dispatch().is_render_thread());
     pp::legacy::gl_sampler::bind_sampler(
         static_cast<std::uint32_t>(current_unit),
         0U,