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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 or 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stubbed_graphics_platform.h"
#include "mir/graphics/platform.h"
#include "mir_toolkit/common.h"
#include "mir/test/doubles/stub_buffer_allocator.h"
#include "mir/test/doubles/stub_gl_rendering_provider.h"
#include "mir/test/doubles/fake_display.h"
#include "mir/assert_module_entry_point.h"
#include <boost/exception/errinfo_errno.hpp>
#include <boost/throw_exception.hpp>
#include <stdexcept>
namespace geom = mir::geometry;
namespace mg = mir::graphics;
namespace mo = mir::options;
namespace mtd = mir::test::doubles;
namespace mtf = mir_test_framework;
namespace
{
class StubGraphicBufferAllocator : public mtd::StubBufferAllocator
{
public:
std::shared_ptr<mg::Buffer> alloc_software_buffer(geom::Size sz, MirPixelFormat pf) override
{
if (sz.width == geom::Width{0} || sz.height == geom::Height{0})
BOOST_THROW_EXCEPTION(std::runtime_error("invalid size"));
return mtd::StubBufferAllocator::alloc_software_buffer(sz, pf);
}
};
}
mtf::StubGraphicPlatform::StubGraphicPlatform(std::vector<geom::Rectangle> const& display_rects)
: display_rects{display_rects}
{
}
mir::UniqueModulePtr<mg::GraphicBufferAllocator> mtf::StubGraphicPlatform::create_buffer_allocator(
mg::Display const&)
{
return mir::make_module_ptr<StubGraphicBufferAllocator>();
}
extern "C" void set_next_display_rects(std::unique_ptr<std::vector<geom::Rectangle>>&& display_rects);
namespace
{
std::unique_ptr<mg::Display> display_preset;
}
mir::UniqueModulePtr<mg::Display> mtf::StubGraphicPlatform::create_display(
std::shared_ptr<mg::DisplayConfigurationPolicy> const&,
std::shared_ptr<mg::GLConfig> const&)
{
if (display_preset)
{
struct Deleter : mir::ModuleDeleter<mg::Display>
{
Deleter()
: ModuleDeleter<mg::Display>(reinterpret_cast<void*>(&set_next_display_rects))
{
}
};
return mir::UniqueModulePtr<mg::Display>{display_preset.release(), Deleter{}};
}
return mir::make_module_ptr<mtd::FakeDisplay>(display_rects);
}
auto mtf::StubGraphicPlatform::maybe_create_provider(
mir::graphics::RenderingProvider::Tag const& tag)
-> std::shared_ptr<mir::graphics::RenderingProvider>
{
if (dynamic_cast<mg::GLRenderingProvider::Tag const*>(&tag))
{
return std::make_shared<mtd::StubGlRenderingProvider>();
}
return nullptr;
}
auto mtf::StubGraphicPlatform::maybe_create_provider(mg::DisplayProvider::Tag const&)
-> std::shared_ptr<mg::DisplayProvider>
{
return nullptr;
}
namespace
{
std::unique_ptr<std::vector<geom::Rectangle>> chosen_display_rects;
}
#if defined(__clang__)
#pragma clang diagnostic push
// These functions are given "C" linkage to avoid name-mangling, not for C compatibility.
// (We don't want a warning for doing this intentionally.)
#pragma clang diagnostic ignored "-Wreturn-type-c-linkage"
#endif
extern "C" std::shared_ptr<mtf::StubGraphicPlatform> create_stub_platform(std::vector<geom::Rectangle> const& display_rects)
{
return std::make_shared<mtf::StubGraphicPlatform>(display_rects);
}
extern "C" std::shared_ptr<mg::RenderingPlatform> create_stub_render_platform()
{
static std::vector<geom::Rectangle> const default_display_rects{geom::Rectangle{{0,0},{1600,1600}}};
return std::make_shared<mtf::StubGraphicPlatform>(default_display_rects);
}
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
mir::UniqueModulePtr<mg::DisplayPlatform> create_display_platform(
mg::SupportedDevice const&,
std::shared_ptr<mo::Option> const&,
std::shared_ptr<mir::EmergencyCleanupRegistry> const&,
std::shared_ptr<mir::ConsoleServices> const&,
std::shared_ptr<mg::DisplayReport> const&)
{
mir::assert_entry_point_signature<mg::CreateDisplayPlatform>(&create_display_platform);
if (auto const display_rects = std::move(chosen_display_rects))
{
return mir::make_module_ptr<mtf::StubGraphicPlatform>(*display_rects);
}
else
{
static std::vector<geom::Rectangle> const default_display_rects{geom::Rectangle{{0,0},{1600,1600}}};
return mir::make_module_ptr<mtf::StubGraphicPlatform>(default_display_rects);
}
}
mir::UniqueModulePtr<mg::RenderingPlatform> create_rendering_platform(
mg::SupportedDevice const&,
std::vector<std::shared_ptr<mg::DisplayPlatform>> const&,
mo::Option const&,
mir::EmergencyCleanupRegistry&)
{
mir::assert_entry_point_signature<mg::CreateRenderPlatform>(&create_rendering_platform);
static std::vector<geom::Rectangle> const default_display_rects{geom::Rectangle{{0,0},{1600,1600}}};
return mir::make_module_ptr<mtf::StubGraphicPlatform>(default_display_rects);
}
void add_graphics_platform_options(
boost::program_options::options_description& /*config*/)
{
mir::assert_entry_point_signature<mg::AddPlatformOptions>(&add_graphics_platform_options);
}
extern "C" void set_next_display_rects(
std::unique_ptr<std::vector<geom::Rectangle>>&& display_rects)
{
chosen_display_rects = std::move(display_rects);
}
extern "C" void set_next_preset_display(std::unique_ptr<mir::graphics::Display> display)
{
display_preset = std::move(display);
}
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