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Route VR UI viewport scissor through renderer GL

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This commit is contained in:
omigamedev
2026-06-03 05:59:36 +02:00
parent 155e67fcec
commit 7dcf76c3aa
3 changed files with 50 additions and 6 deletions
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47
src/app_vr.cpp
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@@ -24,6 +24,44 @@ void unbind_texture_2d()
glBindTexture(pp::renderer::gl::texture_2d_target(), 0);
}
void enable_opengl_state(std::uint32_t state) noexcept
{
glEnable(static_cast<GLenum>(state));
}
void disable_opengl_state(std::uint32_t state) noexcept
{
glDisable(static_cast<GLenum>(state));
}
void set_opengl_viewport(std::int32_t x, std::int32_t y, std::int32_t width, std::int32_t height) noexcept
{
glViewport(static_cast<GLint>(x), static_cast<GLint>(y), static_cast<GLsizei>(width), static_cast<GLsizei>(height));
}
void apply_vr_ui_viewport(pp::renderer::gl::OpenGlViewportRect viewport)
{
const auto status = pp::renderer::gl::apply_opengl_viewport(
viewport,
pp::renderer::gl::OpenGlViewportDispatch {
.viewport = set_opengl_viewport,
});
if (!status.ok())
LOG("OpenGL VR UI viewport failed: %s", status.message);
}
void apply_vr_ui_scissor_test(bool enabled)
{
const auto status = pp::renderer::gl::apply_opengl_scissor_test(
enabled,
pp::renderer::gl::OpenGlScissorTestDispatch {
.enable = enable_opengl_state,
.disable = disable_opengl_state,
});
if (!status.ok())
LOG("OpenGL VR UI scissor test failed: %s", status.message);
}
}
bool trigger_down = false;
@@ -55,13 +93,16 @@ void App::vr_draw_ui()
{
uirtt.bindFramebuffer();
uirtt.clear();
glViewport(0, 0, uirtt.getWidth(), uirtt.getHeight());
glEnable(pp::renderer::gl::scissor_test_state());
apply_vr_ui_viewport(pp::renderer::gl::OpenGlViewportRect {
.width = static_cast<std::int32_t>(uirtt.getWidth()),
.height = static_cast<std::int32_t>(uirtt.getHeight()),
});
apply_vr_ui_scissor_test(true);
auto observer = std::bind(&App::update_ui_observer, this, std::placeholders::_1);
for (int i = 1; i < layout[main_id]->m_children.size(); i++)
layout[main_id]->m_children[i]->watch(observer);
//msgbox->watch(observer);
glDisable(pp::renderer::gl::scissor_test_state());
apply_vr_ui_scissor_test(false);
uirtt.unbindFramebuffer();
}