Flutter Impeller
playground_impl.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
6 #include "flutter/testing/testing.h"
7 
8 #define GLFW_INCLUDE_NONE
9 #include "third_party/glfw/include/GLFW/glfw3.h"
10 
11 #if IMPELLER_ENABLE_METAL
13 #endif // IMPELLER_ENABLE_METAL
14 
15 #if IMPELLER_ENABLE_OPENGLES
17 #endif // IMPELLER_ENABLE_OPENGLES
18 
19 #if IMPELLER_ENABLE_VULKAN
21 #endif // IMPELLER_ENABLE_VULKAN
22 
23 namespace impeller {
24 
25 std::unique_ptr<PlaygroundImpl> PlaygroundImpl::Create(
26  PlaygroundBackend backend,
27  PlaygroundSwitches switches) {
28  switch (backend) {
29 #if IMPELLER_ENABLE_METAL
31  return std::make_unique<PlaygroundImplMTL>(switches);
32 #endif // IMPELLER_ENABLE_METAL
33 #if IMPELLER_ENABLE_OPENGLES
35  return std::make_unique<PlaygroundImplGLES>(switches);
36 #endif // IMPELLER_ENABLE_OPENGLES
37 #if IMPELLER_ENABLE_VULKAN
40  FML_CHECK(false) << "Attempted to create playground with backend that "
41  "isn't available or was disabled on this platform: "
42  << PlaygroundBackendToString(backend);
43  }
44  switches.enable_vulkan_validation = true;
45  return std::make_unique<PlaygroundImplVK>(switches);
46 #endif // IMPELLER_ENABLE_VULKAN
47  default:
48  FML_CHECK(false) << "Attempted to create playground with backend that "
49  "isn't available or was disabled on this platform: "
50  << PlaygroundBackendToString(backend);
51  }
52  FML_UNREACHABLE();
53 }
54 
56  : switches_(switches) {}
57 
59 
61  auto window = reinterpret_cast<GLFWwindow*>(GetWindowHandle());
62 
63  Vector2 scale(1, 1);
64  ::glfwGetWindowContentScale(window, &scale.x, &scale.y);
65 
66  return scale;
67 }
68 
70  const {
71  return nullptr;
72 }
73 
75  const {
76  return nullptr;
77 }
78 
79 } // namespace impeller
std::function< void *(void *instance, const char *proc_name)> VKProcAddressResolver
Definition: playground.h:122
std::function< void *(const char *proc_name)> GLProcAddressResolver
Definition: playground.h:118
PlaygroundImpl(PlaygroundSwitches switches)
Vector2 GetContentScale() const
virtual WindowHandle GetWindowHandle() const =0
static std::unique_ptr< PlaygroundImpl > Create(PlaygroundBackend backend, PlaygroundSwitches switches)
virtual Playground::GLProcAddressResolver CreateGLProcAddressResolver() const
virtual Playground::VKProcAddressResolver CreateVKProcAddressResolver() const
std::string PlaygroundBackendToString(PlaygroundBackend backend)
Definition: playground.cc:46
PlaygroundBackend
Definition: playground.h:27