96 lines
1.8 KiB
C++
96 lines
1.8 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "Common/GL/GLInterface/BGL.h"
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#include <GLView.h>
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#include <Size.h>
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#include <Window.h>
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#include "Common/Assert.h"
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BGLView* GLContextBGL::s_current = nullptr;
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GLContextBGL::~GLContextBGL()
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{
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if (!m_window)
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delete m_gl;
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}
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bool GLContextBGL::Initialize(const WindowSystemInfo& wsi, bool stereo, bool core)
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{
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m_window = static_cast<BWindow*>(wsi.render_window);
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m_gl = new BGLView(m_window ? m_window->Bounds() : BRect(), "GLContextBGL", B_FOLLOW_ALL_SIDES, 0,
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BGL_RGB | BGL_DOUBLE | BGL_ALPHA);
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if (m_window)
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m_window->AddChild(m_gl);
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m_opengl_mode = Mode::OpenGL;
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m_gl->LockLooper();
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BRect size = m_gl->Frame();
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m_gl->UnlockLooper();
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m_backbuffer_width = size.IntegerWidth();
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m_backbuffer_height = size.IntegerHeight();
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MakeCurrent();
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return true;
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}
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bool GLContextBGL::IsHeadless() const
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{
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return m_window == nullptr;
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}
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bool GLContextBGL::MakeCurrent()
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{
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if (s_current)
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s_current->UnlockGL();
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m_gl->LockGL();
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s_current = m_gl;
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return true;
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}
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bool GLContextBGL::ClearCurrent()
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{
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if (!s_current)
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return true;
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ASSERT(m_gl == s_current);
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s_current->UnlockGL();
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s_current = nullptr;
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return true;
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}
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void GLContextBGL::Swap()
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{
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m_gl->SwapBuffers();
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}
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void GLContextBGL::Update()
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{
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m_gl->LockLooper();
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BRect size = m_gl->Frame();
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if (m_backbuffer_width == size.IntegerWidth() && m_backbuffer_height == size.IntegerHeight())
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{
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m_gl->UnlockLooper();
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return;
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}
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ClearCurrent();
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m_gl->FrameResized(size.Width(), size.Height());
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MakeCurrent();
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m_gl->UnlockLooper();
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m_backbuffer_width = size.IntegerWidth();
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m_backbuffer_height = size.IntegerHeight();
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}
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void* GLContextBGL::GetFuncAddress(const std::string& name)
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{
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return m_gl->GetGLProcAddress(name.c_str());
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}
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