Replace platform backends by SDL
This commit is contained in:
Lynix
@@ -12,19 +12,10 @@
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#include <memory>
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#include <vector>
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#if defined(NAZARA_PLATFORM_SDL2)
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#include <Nazara/Renderer/SDL2/ContextImpl.hpp>
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#include <Nazara/Renderer/SDL2/ContextImpl.hpp>
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#if defined(NAZARA_PLATFORM_LINUX)
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#define CALLBACK
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#endif
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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#include <Nazara/Renderer/Win32/ContextImpl.hpp>
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#elif defined(NAZARA_PLATFORM_GLX)
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#include <Nazara/Renderer/GLX/ContextImpl.hpp>
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#if defined(NAZARA_PLATFORM_LINUX)
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#define CALLBACK
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#else
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#error Lack of implementation: Context
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#endif
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#include <Nazara/Renderer/Debug.hpp>
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@@ -1,300 +0,0 @@
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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// Code inspiré de NeHe (Lesson1) et de la SFML par Laurent Gomila
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#include <Nazara/Renderer/GLX/ContextImpl.hpp>
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#include <Nazara/Core/CallOnExit.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Renderer/Context.hpp>
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#include <Nazara/Renderer/Debug.hpp>
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using namespace GLX;
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namespace Nz
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{
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namespace
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{
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Display* m_display;
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int m_sharedDisplay = 0;
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bool ctxErrorOccurred = false;
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int ctxErrorHandler( Display* /*dpy*/, XErrorEvent* /*ev*/ )
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{
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ctxErrorOccurred = true;
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return 0;
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}
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}
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ContextImpl::ContextImpl() :
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m_colormap(0),
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m_context(0),
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m_window(0),
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m_ownsWindow(false)
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{
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if (m_sharedDisplay == 0)
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m_display = XOpenDisplay(nullptr);
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++m_sharedDisplay;
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}
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ContextImpl::~ContextImpl()
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{
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Destroy();
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if (--m_sharedDisplay == 0)
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{
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XCloseDisplay(m_display);
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m_display = nullptr;
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}
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}
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bool ContextImpl::Activate() const
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{
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return glXMakeCurrent(m_display, m_window, m_context) == true;
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}
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bool ContextImpl::Create(ContextParameters& parameters)
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{
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// En cas d'exception, la ressource sera quand même libérée
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CallOnExit onExit([this] ()
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{
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Destroy();
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});
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// Get a matching FB config
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static int visual_attribs[] =
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{
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GLX_X_RENDERABLE, True,
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GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
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GLX_RENDER_TYPE, GLX_RGBA_BIT,
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GLX_X_VISUAL_TYPE, GLX_TRUE_COLOR,
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GLX_BUFFER_SIZE, parameters.bitsPerPixel,
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GLX_ALPHA_SIZE, (parameters.bitsPerPixel == 32) ? 8 : 0,
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GLX_DEPTH_SIZE, parameters.depthBits,
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GLX_STENCIL_SIZE, parameters.stencilBits,
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GLX_DOUBLEBUFFER, True,
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GLX_SAMPLE_BUFFERS, (parameters.antialiasingLevel > 0) ? True : False,
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GLX_SAMPLES, parameters.antialiasingLevel,
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None
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};
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int glx_major = 0;
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int glx_minor = 0;
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// FBConfigs were added in GLX version 1.3.
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if (!glXQueryVersion(m_display, &glx_major, &glx_minor) || ((glx_major == 1) && (glx_minor < 3)) || (glx_major < 1))
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{
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NazaraError("Invalid GLX version, version > 1.3 is required.");
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return false;
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}
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int fbcount;
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GLXFBConfig* fbc = glXChooseFBConfig(m_display, XDefaultScreen(m_display), visual_attribs, &fbcount);
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if (!fbc)
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{
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NazaraError("Failed to retrieve a framebuffer config");
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return false;
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}
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// Pick the FB config/visual with the most samples per pixel
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int best_fbc = -1;
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int worst_fbc = -1;
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int best_num_samp = -1;
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int worst_num_samp = 999;
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for (int i = 0; i < fbcount; ++i)
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{
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XVisualInfo* vi = glXGetVisualFromFBConfig(m_display, fbc[i]);
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if (vi)
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{
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int samp_buf = 0, samples = 0;
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glXGetFBConfigAttrib(m_display, fbc[i], GLX_SAMPLE_BUFFERS, &samp_buf);
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glXGetFBConfigAttrib(m_display, fbc[i], GLX_SAMPLES , &samples );
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if ((best_fbc < 0) || (samp_buf && (samples > best_num_samp)))
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{
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best_fbc = i;
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best_num_samp = samples;
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}
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if ((worst_fbc < 0) || !samp_buf || (samples < worst_num_samp))
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{
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worst_fbc = i;
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worst_num_samp = samples;
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}
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}
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XFree(vi);
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}
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GLXFBConfig bestFbc = fbc[best_fbc];
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// Be sure to free the FBConfig list allocated by glXChooseFBConfig()
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XFree(fbc);
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// Get a visual
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XVisualInfo* vi = glXGetVisualFromFBConfig(m_display, bestFbc);
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if (!vi)
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{
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NazaraError("Failed to get best VisualInfo");
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return false;
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}
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// If context is shared by multiple windows
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if (parameters.window)
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{
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m_window = parameters.window;
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m_ownsWindow = false;
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}
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else
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{
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XSetWindowAttributes swa;
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swa.colormap = m_colormap = XCreateColormap(
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m_display,
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XRootWindow(
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m_display,
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vi->screen),
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vi->visual,
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AllocNone
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);
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swa.background_pixmap = None;
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swa.border_pixel = 0;
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swa.event_mask = StructureNotifyMask;
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if (!m_colormap)
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{
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NazaraError("Failed to create colormap for context");
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return false;
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}
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m_window = XCreateWindow(
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m_display,
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XRootWindow(
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m_display,
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vi->screen),
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0, 0, // X, Y
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1, 1, // W H
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0,
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vi->depth,
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InputOutput,
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vi->visual,
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CWBorderPixel | CWColormap | CWEventMask,
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&swa
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);
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m_ownsWindow = true;
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}
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if (!m_window)
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{
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NazaraError("Failed to create window");
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return false;
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}
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// Done with the visual info data
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XFree(vi);
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// Install an X error handler so the application won't exit if GL 3.0
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// context allocation fails.
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//
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// Note this error handler is global. All display connections in all threads
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// of a process use the same error handler, so be sure to guard against other
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// threads issuing X commands while this code is running.
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ctxErrorOccurred = false;
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int (*oldHandler)(Display*, XErrorEvent*) =
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XSetErrorHandler(&ctxErrorHandler);
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// Check for the GLX_ARB_create_context extension string and the function.
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// If either is not present, use GLX 1.3 context creation method.
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if (!glXCreateContextAttribs)
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{
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NazaraWarning("glXCreateContextAttribs() not found. Using old-style GLX context");
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m_context = glXCreateNewContext(m_display, bestFbc, GLX_RGBA_TYPE, parameters.shared ? parameters.shareContext->m_impl->m_context : 0, True);
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}
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// If it does, try to get a GL 3.0 context!
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else
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{
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int profile = parameters.compatibilityProfile ? GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB : GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
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int debug = parameters.debugMode ? GLX_CONTEXT_DEBUG_BIT_ARB : 0;
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int major = 3;//parameters.majorVersion;
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int minor = 3;//parameters.minorVersion;
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int context_attribs[] =
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{
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GLX_CONTEXT_MAJOR_VERSION_ARB, major,
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GLX_CONTEXT_MINOR_VERSION_ARB, minor,
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GLX_CONTEXT_PROFILE_MASK_ARB, profile,
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GLX_CONTEXT_FLAGS_ARB, debug,
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None, None
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};
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m_context = glXCreateContextAttribs(
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m_display,
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bestFbc,
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parameters.shared ? parameters.shareContext->m_impl->m_context : 0,
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True,
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context_attribs
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);
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}
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// Sync to ensure any errors generated are processed.
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XSync(m_display, False);
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XSetErrorHandler(oldHandler);
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if (ctxErrorOccurred || !m_context)
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{
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NazaraError("Failed to create context, check the version");
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return false;
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}
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onExit.Reset();
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return true;
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}
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void ContextImpl::Destroy()
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{
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// Destroy the context
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if (m_context)
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{
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if (glXGetCurrentContext() == m_context)
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glXMakeCurrent(m_display, None, nullptr);
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glXDestroyContext(m_display, m_context);
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m_context = nullptr;
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}
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// Destroy the window if we own it
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if (m_ownsWindow && m_window)
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{
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XFreeColormap(m_display, m_colormap);
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XDestroyWindow(m_display, m_window);
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m_ownsWindow = false;
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m_window = 0;
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XFlush(m_display);
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}
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}
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void ContextImpl::EnableVerticalSync(bool enabled)
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{
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if (glXSwapIntervalEXT)
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glXSwapIntervalEXT(m_display, glXGetCurrentDrawable(), enabled ? 1 : 0);
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else if (NzglXSwapIntervalMESA)
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NzglXSwapIntervalMESA(enabled ? 1 : 0);
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else if (glXSwapIntervalSGI)
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glXSwapIntervalSGI(enabled ? 1 : 0);
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else
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NazaraError("Vertical sync not supported");
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}
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void ContextImpl::SwapBuffers()
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{
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if (m_window)
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glXSwapBuffers(m_display, m_window);
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}
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bool ContextImpl::Desactivate()
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{
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return glXMakeCurrent(m_display, None, nullptr) == true;
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}
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}
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@@ -1,42 +0,0 @@
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// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_CONTEXTIMPL_HPP
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#define NAZARA_CONTEXTIMPL_HPP
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#include <Nazara/Renderer/OpenGL.hpp>
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namespace Nz
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{
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struct ContextParameters;
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class ContextImpl
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{
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public:
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ContextImpl();
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~ContextImpl();
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bool Activate() const;
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bool Create(ContextParameters& parameters);
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void Destroy();
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void EnableVerticalSync(bool enabled);
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void SwapBuffers();
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static bool Desactivate();
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private:
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GLX::Colormap m_colormap;
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GLX::GLXContext m_context;
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GLX::Window m_window;
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bool m_ownsWindow;
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};
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}
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#endif // NAZARA_CONTEXTIMPL_HPP
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@@ -9,11 +9,7 @@
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#include <Nazara/Renderer/OpenGL.hpp>
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#include <Nazara/Renderer/RenderStates.hpp>
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#include <Nazara/Renderer/RenderTarget.hpp>
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#if defined(NAZARA_PLATFORM_SDL2)
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#include <SDL2/SDL_video.h>
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#elif defined(NAZARA_PLATFORM_GLX)
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#include <Nazara/Platform/X11/Display.hpp>
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#endif // NAZARA_PLATFORM_GLX
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#include <Nazara/Renderer/Debug.hpp>
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#include <set>
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#include <sstream>
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@@ -30,17 +26,7 @@ namespace Nz
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OpenGLFunc LoadEntry(const char* name, bool launchException = true)
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{
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#if defined(NAZARA_PLATFORM_SDL2)
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OpenGLFunc entry = reinterpret_cast<OpenGLFunc>(SDL_GL_GetProcAddress(name));
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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OpenGLFunc entry = reinterpret_cast<OpenGLFunc>(wglGetProcAddress(name));
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if (!entry) // wglGetProcAddress ne fonctionne pas sur les fonctions OpenGL <= 1.1
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entry = reinterpret_cast<OpenGLFunc>(GetProcAddress(openGLlibrary, name));
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#elif defined(NAZARA_PLATFORM_GLX)
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OpenGLFunc entry = reinterpret_cast<OpenGLFunc>(GLX::glXGetProcAddress(reinterpret_cast<const unsigned char*>(name)));
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#else
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#error OS not handled
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#endif
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if (!entry && launchException)
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{
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@@ -55,31 +41,19 @@ namespace Nz
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bool LoadLibrary()
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{
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#if defined(NAZARA_PLATFORM_SDL2)
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if (SDL_GL_LoadLibrary(nullptr) != 0)
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{
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NazaraError(SDL_GetError());
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return false;
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}
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return true;
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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openGLlibrary = ::LoadLibraryA("opengl32.dll");
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return openGLlibrary != nullptr;
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#else
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return true;
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#endif
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}
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void UnloadLibrary()
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{
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#if defined(NAZARA_PLATFORM_SDL2)
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SDL_GL_UnloadLibrary();
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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FreeLibrary(openGLlibrary);
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#endif
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}
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enum GarbageResourceType
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@@ -742,20 +716,9 @@ namespace Nz
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if (s_initialized)
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return true;
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#if defined(NAZARA_PLATFORM_SDL2)
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if (SDL_VideoInit(NULL) != 0)
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NazaraError(SDL_GetError());
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#elif defined(NAZARA_PLATFORM_GLX)
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Initializer<X11> display;
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if (!display)
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{
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NazaraError("Failed to load display library");
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return false;
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}
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#endif
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if (!LoadLibrary())
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||||
{
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NazaraError("Failed to load OpenGL library");
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@@ -783,11 +746,6 @@ namespace Nz
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||||
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/****************************Chargement OpenGL****************************/
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///FIXME: I'm really thinking this is a mistake and GLX has no need to be initialized differently (Lynix)
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#if defined(NAZARA_PLATFORM_LINUX) && not defined(NAZARA_PLATFORM_SDL2)
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glXCreateContextAttribs = reinterpret_cast<GLX::PFNGLXCREATECONTEXTATTRIBSARBPROC>(LoadEntry("glXCreateContextAttribsARB", false));
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#endif
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||||
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Context loadContext;
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||||
if (!loadContext.Create(parameters))
|
||||
{
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||||
@@ -795,13 +753,6 @@ namespace Nz
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return false;
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||||
}
|
||||
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#if defined(NAZARA_PLATFORM_WINDOWS) && not defined(NAZARA_PLATFORM_SDL2)
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wglCreateContextAttribs = reinterpret_cast<PFNWGLCREATECONTEXTATTRIBSARBPROC>(LoadEntry("wglCreateContextAttribsARB", false));
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wglChoosePixelFormat = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATARBPROC>(LoadEntry("wglChoosePixelFormatARB", false));
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if (!wglChoosePixelFormat)
|
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wglChoosePixelFormat = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATEXTPROC>(LoadEntry("wglChoosePixelFormatEXT", false));
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#endif
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||||
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||||
// Récupération de la version d'OpenGL et du GLSL
|
||||
// Ce code se base sur le fait que la carte graphique renverra un contexte de compatibilité avec la plus haute version supportée
|
||||
// Ce qui semble vrai chez AMD, NVidia et Intel, mais j'aimerai une preuve que ça sera toujours le cas...
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||||
@@ -1047,16 +998,6 @@ namespace Nz
|
||||
glInvalidateBufferData = reinterpret_cast<PFNGLINVALIDATEBUFFERDATAPROC>(LoadEntry("glInvalidateBufferData", false));
|
||||
glVertexAttribLPointer = reinterpret_cast<PFNGLVERTEXATTRIBLPOINTERPROC>(LoadEntry("glVertexAttribLPointer", false));
|
||||
|
||||
#if defined(NAZARA_PLATFORM_WINDOWS)
|
||||
wglGetExtensionsStringARB = reinterpret_cast<PFNWGLGETEXTENSIONSSTRINGARBPROC>(LoadEntry("wglGetExtensionsStringARB", false));
|
||||
wglGetExtensionsStringEXT = reinterpret_cast<PFNWGLGETEXTENSIONSSTRINGEXTPROC>(LoadEntry("wglGetExtensionsStringEXT", false));
|
||||
wglSwapInterval = reinterpret_cast<PFNWGLSWAPINTERVALEXTPROC>(LoadEntry("wglSwapIntervalEXT", false));
|
||||
#elif defined(NAZARA_PLATFORM_GLX)
|
||||
glXSwapIntervalEXT = reinterpret_cast<GLX::PFNGLXSWAPINTERVALEXTPROC>(LoadEntry("glXSwapIntervalEXT", false));
|
||||
NzglXSwapIntervalMESA = reinterpret_cast<GLX::PFNGLXSWAPINTERVALMESAPROC>(LoadEntry("glXSwapIntervalMESA", false));
|
||||
glXSwapIntervalSGI = reinterpret_cast<GLX::PFNGLXSWAPINTERVALSGIPROC>(LoadEntry("glXSwapIntervalSGI", false));
|
||||
#endif
|
||||
|
||||
if (!glGetStringi || !LoadExtensions3())
|
||||
{
|
||||
NazaraWarning("Failed to load OpenGL 3 extension system, falling back to OpenGL 2 extension system...");
|
||||
@@ -1065,21 +1006,6 @@ namespace Nz
|
||||
NazaraWarning("Failed to load extension system");
|
||||
}
|
||||
|
||||
#if defined(NAZARA_PLATFORM_WINDOWS) && !defined(NAZARA_PLATFORM_SDL2)
|
||||
{
|
||||
bool loaded;
|
||||
if (wglGetExtensionsStringARB)
|
||||
loaded = LoadExtensionsString(reinterpret_cast<const char*>(wglGetExtensionsStringARB(wglGetCurrentDC())));
|
||||
else if (wglGetExtensionsStringEXT)
|
||||
loaded = LoadExtensionsString(reinterpret_cast<const char*>(wglGetExtensionsStringEXT()));
|
||||
else
|
||||
loaded = false;
|
||||
|
||||
if (!loaded)
|
||||
NazaraWarning("Failed to load wgl extension string");
|
||||
}
|
||||
#endif
|
||||
|
||||
// AnisotropicFilter
|
||||
s_openGLextensions[OpenGLExtension_AnisotropicFilter] = IsSupported("GL_EXT_texture_filter_anisotropic");
|
||||
|
||||
@@ -1248,11 +1174,7 @@ namespace Nz
|
||||
|
||||
bool OpenGL::IsSupported(const String& string)
|
||||
{
|
||||
#ifdef NAZARA_PLATFORM_SDL2
|
||||
return SDL_GL_ExtensionSupported(string.GetConstBuffer());
|
||||
#else
|
||||
return s_openGLextensionSet.find(string) != s_openGLextensionSet.end();
|
||||
#endif
|
||||
}
|
||||
|
||||
void OpenGL::SetBuffer(BufferType type, GLuint id)
|
||||
@@ -2306,18 +2228,4 @@ namespace Nz
|
||||
PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer = nullptr;
|
||||
PFNGLVERTEXATTRIBLPOINTERPROC glVertexAttribLPointer = nullptr;
|
||||
PFNGLVIEWPORTPROC glViewport = nullptr;
|
||||
|
||||
#if defined(NAZARA_PLATFORM_WINDOWS)
|
||||
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormat = nullptr;
|
||||
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribs = nullptr;
|
||||
PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = nullptr;
|
||||
PFNWGLGETEXTENSIONSSTRINGEXTPROC wglGetExtensionsStringEXT = nullptr;
|
||||
PFNWGLSWAPINTERVALEXTPROC wglSwapInterval = nullptr;
|
||||
#elif defined(NAZARA_PLATFORM_GLX)
|
||||
GLX::PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribs = nullptr;
|
||||
GLX::PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = nullptr;
|
||||
GLX::PFNGLXSWAPINTERVALMESAPROC NzglXSwapIntervalMESA = nullptr;
|
||||
GLX::PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = nullptr;
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
@@ -1,248 +0,0 @@
|
||||
// Copyright (C) 2017 Jérôme Leclercq
|
||||
// This file is part of the "Nazara Engine - Renderer module"
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
// Code inspiré de NeHe (Lesson1) et de la SFML par Laurent Gomila
|
||||
|
||||
#include <Nazara/Renderer/Win32/ContextImpl.hpp>
|
||||
#include <Nazara/Core/CallOnExit.hpp>
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Core/LockGuard.hpp>
|
||||
#include <Nazara/Core/Mutex.hpp>
|
||||
#include <Nazara/Renderer/Context.hpp>
|
||||
#include <Nazara/Renderer/OpenGL.hpp>
|
||||
#include <cstring>
|
||||
#include <Nazara/Renderer/Debug.hpp>
|
||||
|
||||
namespace Nz
|
||||
{
|
||||
ContextImpl::ContextImpl()
|
||||
{
|
||||
}
|
||||
|
||||
bool ContextImpl::Activate() const
|
||||
{
|
||||
return wglMakeCurrent(m_deviceContext, m_context) == TRUE;
|
||||
}
|
||||
|
||||
bool ContextImpl::Create(ContextParameters& parameters)
|
||||
{
|
||||
if (parameters.window)
|
||||
{
|
||||
m_window = static_cast<HWND>(parameters.window);
|
||||
m_ownsWindow = false;
|
||||
}
|
||||
else
|
||||
{
|
||||
m_window = CreateWindowA("STATIC", nullptr, WS_DISABLED | WS_POPUP, 0, 0, 1, 1, nullptr, nullptr, GetModuleHandle(nullptr), nullptr);
|
||||
if (!m_window)
|
||||
{
|
||||
NazaraError("Failed to create window");
|
||||
return false;
|
||||
}
|
||||
|
||||
ShowWindow(m_window, SW_HIDE);
|
||||
m_ownsWindow = true;
|
||||
}
|
||||
|
||||
// En cas d'exception, la ressource sera quand même libérée
|
||||
CallOnExit onExit([this] ()
|
||||
{
|
||||
Destroy();
|
||||
});
|
||||
|
||||
m_deviceContext = GetDC(m_window);
|
||||
if (!m_deviceContext)
|
||||
{
|
||||
NazaraError("Failed to get device context");
|
||||
return false;
|
||||
}
|
||||
|
||||
int pixelFormat = 0;
|
||||
if (parameters.antialiasingLevel > 0)
|
||||
{
|
||||
if (wglChoosePixelFormat)
|
||||
{
|
||||
bool valid;
|
||||
UINT numFormats;
|
||||
|
||||
int attributes[] = {
|
||||
WGL_DRAW_TO_WINDOW_ARB, GL_TRUE,
|
||||
WGL_SUPPORT_OPENGL_ARB, GL_TRUE,
|
||||
WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB,
|
||||
WGL_COLOR_BITS_ARB, (parameters.bitsPerPixel == 32) ? 24 : parameters.bitsPerPixel,
|
||||
WGL_ALPHA_BITS_ARB, (parameters.bitsPerPixel == 32) ? 8 : 0,
|
||||
WGL_DEPTH_BITS_ARB, parameters.depthBits,
|
||||
WGL_STENCIL_BITS_ARB, parameters.stencilBits,
|
||||
WGL_DOUBLE_BUFFER_ARB, (parameters.doubleBuffered) ? GL_TRUE : GL_FALSE,
|
||||
WGL_SAMPLE_BUFFERS_ARB, GL_TRUE,
|
||||
WGL_SAMPLES_ARB, parameters.antialiasingLevel,
|
||||
0, 0
|
||||
};
|
||||
|
||||
do
|
||||
{
|
||||
valid = (wglChoosePixelFormat(m_deviceContext, attributes, nullptr, 1, &pixelFormat, &numFormats) == TRUE);
|
||||
}
|
||||
while ((!valid || numFormats == 0) && --attributes[19] > 0);
|
||||
|
||||
if (!valid)
|
||||
{
|
||||
NazaraWarning("Could not find a format matching requirements, disabling antialiasing...");
|
||||
pixelFormat = 0;
|
||||
}
|
||||
|
||||
parameters.antialiasingLevel = attributes[19];
|
||||
}
|
||||
else
|
||||
{
|
||||
NazaraWarning("Antialiasing is not supported");
|
||||
parameters.antialiasingLevel = 0;
|
||||
}
|
||||
}
|
||||
|
||||
PIXELFORMATDESCRIPTOR descriptor;
|
||||
ZeroMemory(&descriptor, sizeof(PIXELFORMATDESCRIPTOR));
|
||||
descriptor.nSize = sizeof(PIXELFORMATDESCRIPTOR);
|
||||
descriptor.nVersion = 1;
|
||||
|
||||
if (pixelFormat == 0)
|
||||
{
|
||||
descriptor.cColorBits = parameters.bitsPerPixel;
|
||||
descriptor.cDepthBits = parameters.depthBits;
|
||||
descriptor.cStencilBits = parameters.stencilBits;
|
||||
descriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
|
||||
descriptor.iPixelType = PFD_TYPE_RGBA;
|
||||
|
||||
if (parameters.bitsPerPixel == 32)
|
||||
descriptor.cAlphaBits = 8;
|
||||
|
||||
if (parameters.doubleBuffered)
|
||||
descriptor.dwFlags |= PFD_DOUBLEBUFFER;
|
||||
|
||||
pixelFormat = ChoosePixelFormat(m_deviceContext, &descriptor);
|
||||
if (pixelFormat == 0)
|
||||
{
|
||||
NazaraError("Failed to choose pixel format");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
if (!SetPixelFormat(m_deviceContext, pixelFormat, &descriptor))
|
||||
{
|
||||
NazaraError("Failed to set pixel format");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Arrivé ici, le format de pixel est choisi, nous récupérons donc les paramètres réels du futur contexte
|
||||
if (DescribePixelFormat(m_deviceContext, pixelFormat, sizeof(PIXELFORMATDESCRIPTOR), &descriptor) != 0)
|
||||
{
|
||||
parameters.bitsPerPixel = descriptor.cColorBits + descriptor.cAlphaBits;
|
||||
parameters.depthBits = descriptor.cDepthBits;
|
||||
parameters.stencilBits = descriptor.cDepthBits;
|
||||
}
|
||||
else
|
||||
NazaraWarning("Failed to get context's parameters");
|
||||
|
||||
HGLRC shareContext = (parameters.shared) ? static_cast<ContextImpl*>(parameters.shareContext->m_impl)->m_context : nullptr;
|
||||
|
||||
m_context = nullptr;
|
||||
if (wglCreateContextAttribs)
|
||||
{
|
||||
int attributes[4*2+1];
|
||||
int* attrib = attributes;
|
||||
|
||||
*attrib++ = WGL_CONTEXT_MAJOR_VERSION_ARB;
|
||||
*attrib++ = parameters.majorVersion;
|
||||
|
||||
*attrib++ = WGL_CONTEXT_MINOR_VERSION_ARB;
|
||||
*attrib++ = parameters.minorVersion;
|
||||
|
||||
if (parameters.majorVersion >= 3)
|
||||
{
|
||||
*attrib++ = WGL_CONTEXT_PROFILE_MASK_ARB;
|
||||
*attrib++ = (parameters.compatibilityProfile) ? WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB : WGL_CONTEXT_CORE_PROFILE_BIT_ARB;
|
||||
|
||||
// Les contextes forward-compatible ne sont plus utilisés pour cette raison :
|
||||
// http://www.opengl.org/discussion_boards/showthread.php/175052-Forward-compatible-vs-Core-profile
|
||||
}
|
||||
|
||||
if (parameters.debugMode)
|
||||
{
|
||||
*attrib++ = WGL_CONTEXT_FLAGS_ARB;
|
||||
*attrib++ = WGL_CONTEXT_DEBUG_BIT_ARB;
|
||||
}
|
||||
|
||||
*attrib++ = 0;
|
||||
|
||||
m_context = wglCreateContextAttribs(m_deviceContext, shareContext, attributes);
|
||||
}
|
||||
|
||||
if (!m_context)
|
||||
{
|
||||
m_context = wglCreateContext(m_deviceContext);
|
||||
|
||||
if (shareContext)
|
||||
{
|
||||
// wglShareLists n'est pas thread-safe (source: SFML)
|
||||
static Mutex mutex;
|
||||
LockGuard lock(mutex);
|
||||
|
||||
if (!wglShareLists(shareContext, m_context))
|
||||
NazaraWarning("Failed to share the context: " + Error::GetLastSystemError());
|
||||
}
|
||||
}
|
||||
|
||||
if (!m_context)
|
||||
{
|
||||
NazaraError("Failed to create context");
|
||||
return false;
|
||||
}
|
||||
|
||||
onExit.Reset();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void ContextImpl::Destroy()
|
||||
{
|
||||
if (m_context)
|
||||
{
|
||||
if (wglGetCurrentContext() == m_context)
|
||||
wglMakeCurrent(nullptr, nullptr);
|
||||
|
||||
wglDeleteContext(m_context);
|
||||
m_context = nullptr;
|
||||
}
|
||||
|
||||
if (m_deviceContext)
|
||||
{
|
||||
ReleaseDC(m_window, m_deviceContext);
|
||||
m_deviceContext = nullptr;
|
||||
}
|
||||
|
||||
if (m_ownsWindow)
|
||||
{
|
||||
DestroyWindow(m_window);
|
||||
m_window = nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
void ContextImpl::EnableVerticalSync(bool enabled)
|
||||
{
|
||||
if (wglSwapInterval)
|
||||
wglSwapInterval(enabled ? 1 : 0);
|
||||
else
|
||||
NazaraError("Vertical sync not supported");
|
||||
}
|
||||
|
||||
void ContextImpl::SwapBuffers()
|
||||
{
|
||||
::SwapBuffers(m_deviceContext);
|
||||
}
|
||||
|
||||
bool ContextImpl::Desactivate()
|
||||
{
|
||||
return wglMakeCurrent(nullptr, nullptr) == TRUE;
|
||||
}
|
||||
}
|
||||
@@ -1,41 +0,0 @@
|
||||
// Copyright (C) 2017 Jérôme Leclercq
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef NAZARA_CONTEXTIMPL_HPP
|
||||
#define NAZARA_CONTEXTIMPL_HPP
|
||||
|
||||
#include <Nazara/Prerequisites.hpp>
|
||||
#include <Nazara/Renderer/ContextParameters.hpp>
|
||||
#include <windows.h>
|
||||
|
||||
namespace Nz
|
||||
{
|
||||
class ContextImpl
|
||||
{
|
||||
public:
|
||||
ContextImpl();
|
||||
|
||||
bool Activate() const;
|
||||
|
||||
bool Create(ContextParameters& parameters);
|
||||
|
||||
void Destroy();
|
||||
|
||||
void EnableVerticalSync(bool enabled);
|
||||
|
||||
void SwapBuffers();
|
||||
|
||||
static bool Desactivate();
|
||||
|
||||
private:
|
||||
HDC m_deviceContext;
|
||||
HGLRC m_context;
|
||||
HWND m_window;
|
||||
bool m_ownsWindow;
|
||||
};
|
||||
}
|
||||
|
||||
#endif // NAZARA_CONTEXTIMPL_HPP
|
||||
Reference in New Issue
Block a user