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Allow resizing the playground.

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This commit is contained in:
Chinmay Garde 2021-12-28 17:33:08 -08:00 committed by Dan Field
parent 74112baee7
commit 1d95b191dc
2 changed files with 23 additions and 5 deletions
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3
engine/src/flutter/impeller/playground/playground.h
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@ -33,9 +33,12 @@ class Playground : public ::testing::Test {
private:
Renderer renderer_;
Point cursor_position_;
ISize window_size_ = ISize{1024, 768};
void SetCursorPosition(Point pos);
void SetWindowSize(ISize size);
FML_DISALLOW_COPY_AND_ASSIGN(Playground);
};

25
engine/src/flutter/impeller/playground/playground.mm
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@ -78,7 +78,7 @@ Point Playground::GetCursorPosition() const {
}
ISize Playground::GetWindowSize() const {
return {1024, 768};
return window_size_;
}
void Playground::SetCursorPosition(Point pos) {
@ -100,10 +100,6 @@ bool Playground::OpenPlaygroundHere(Renderer::RenderCallback render_callback) {
fml::ScopedCleanupClosure terminate([]() { ::glfwTerminate(); });
::glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
// Recreation of the target render buffer is not setup in the playground yet.
// So prevent users from resizing and getting confused that their math is
// wrong.
::glfwWindowHint(GLFW_RESIZABLE, false);
auto window_title = GetWindowTitle(flutter::testing::GetCurrentTestName());
auto window =
@ -114,6 +110,16 @@ bool Playground::OpenPlaygroundHere(Renderer::RenderCallback render_callback) {
}
::glfwSetWindowUserPointer(window, this);
::glfwSetWindowSizeCallback(
window, [](GLFWwindow* window, int width, int height) -> void {
auto playground =
reinterpret_cast<Playground*>(::glfwGetWindowUserPointer(window));
if (!playground) {
return;
}
playground->SetWindowSize(
ISize{std::max(width, 0), std::max(height, 0)});
});
::glfwSetKeyCallback(window, &PlaygroundKeyCallback);
::glfwSetCursorPosCallback(window, [](GLFWwindow* window, double x,
double y) {
@ -138,6 +144,11 @@ bool Playground::OpenPlaygroundHere(Renderer::RenderCallback render_callback) {
return true;
}
const auto layer_size = layer.bounds.size;
const auto layer_scale = layer.contentsScale;
layer.drawableSize = CGSizeMake(layer_size.width * layer_scale,
layer_size.height * layer_scale);
Renderer::RenderCallback wrapped_callback = [render_callback](auto& pass) {
pass.SetLabel("Playground Main Render Pass");
return render_callback(pass);
@ -193,4 +204,8 @@ std::shared_ptr<Texture> Playground::CreateTextureForFixture(
return texture;
}
void Playground::SetWindowSize(ISize size) {
window_size_ = size;
}
} // namespace impeller