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Differential D4642 Diff 20443 ps/trunk/source/renderer/backend/gl/Device.cpp

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ps/trunk/source/renderer/backend/gl/Device.cpp

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// until we use a proper GL loader. // until we use a proper GL loader.
extern void* wutil_GetAppHDC(); extern void* wutil_GetAppHDC();
#endif #endif
#include <algorithm> #include <algorithm>
#include <boost/algorithm/string/classification.hpp> #include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/split.hpp> #include <boost/algorithm/string/split.hpp>
// TODO: Support OpenGL platforms which don't use GLX as well. #if !CONFIG2_GLES && (defined(SDL_VIDEO_DRIVER_X11) || defined(SDL_VIDEO_DRIVER_WAYLAND))
#if defined(SDL_VIDEO_DRIVER_X11) && !CONFIG2_GLES
#if defined(SDL_VIDEO_DRIVER_X11)
#include <glad/glx.h> #include <glad/glx.h>
#include <SDL_syswm.h>
#endif #endif
#if defined(SDL_VIDEO_DRIVER_WAYLAND)
#include <glad/egl.h>
#endif
#include <SDL_syswm.h>
#endif // !CONFIG2_GLES && (defined(SDL_VIDEO_DRIVER_X11) || defined(SDL_VIDEO_DRIVER_WAYLAND))
namespace Renderer namespace Renderer
{ {
namespace Backend namespace Backend
{ {
namespace GL namespace GL
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device->m_Context = SDL_GL_CreateContext(device->m_Window); device->m_Context = SDL_GL_CreateContext(device->m_Window);
if (!device->m_Context) if (!device->m_Context)
{ {
LOGERROR("SDL_GL_CreateContext failed: '%s'", SDL_GetError()); LOGERROR("SDL_GL_CreateContext failed: '%s'", SDL_GetError());
return nullptr; return nullptr;
} }
#if OS_WIN #if OS_WIN
ogl_Init(SDL_GL_GetProcAddress, wutil_GetAppHDC()); ogl_Init(SDL_GL_GetProcAddress, wutil_GetAppHDC());
#elif defined(SDL_VIDEO_DRIVER_X11) && !CONFIG2_GLES #elif (defined(SDL_VIDEO_DRIVER_X11) || defined(SDL_VIDEO_DRIVER_WAYLAND)) && !CONFIG2_GLES
ogl_Init(SDL_GL_GetProcAddress, GetX11Display(device->m_Window)); SDL_SysWMinfo wminfo;
// The info structure must be initialized with the SDL version.
SDL_VERSION(&wminfo.version);
if (!SDL_GetWindowWMInfo(window, &wminfo))
{
LOGERROR("Failed to query SDL WM info: %s", SDL_GetError());
return nullptr;
}
switch (wminfo.subsystem)
{
#if defined(SDL_VIDEO_DRIVER_WAYLAND)
case SDL_SYSWM_WAYLAND:
// TODO: maybe we need to load X11 functions
// dynamically as well.
ogl_Init(SDL_GL_GetProcAddress,
GetWaylandDisplay(device->m_Window),
static_cast<int>(wminfo.subsystem));
break;
#endif
#if defined(SDL_VIDEO_DRIVER_X11)
case SDL_SYSWM_X11:
ogl_Init(SDL_GL_GetProcAddress,
GetX11Display(device->m_Window),
static_cast<int>(wminfo.subsystem));
break;
#endif
default:
ogl_Init(SDL_GL_GetProcAddress, nullptr,
static_cast<int>(wminfo.subsystem));
break;
}
#else #else
ogl_Init(SDL_GL_GetProcAddress); ogl_Init(SDL_GL_GetProcAddress);
#endif #endif
} }
else else
{ {
#if OS_WIN #if OS_WIN
ogl_Init(SDL_GL_GetProcAddress, wutil_GetAppHDC()); ogl_Init(SDL_GL_GetProcAddress, wutil_GetAppHDC());
#elif defined(SDL_VIDEO_DRIVER_X11) && !CONFIG2_GLES #elif (defined(SDL_VIDEO_DRIVER_X11) || defined(SDL_VIDEO_DRIVER_WAYLAND)) && !CONFIG2_GLES
ogl_Init(SDL_GL_GetProcAddress, XOpenDisplay(NULL)); bool initialized = false;
// Currently we don't have access to the backend type without
// the window. So we use hack to detect X11.
#if defined(SDL_VIDEO_DRIVER_X11)
Display* display = XOpenDisplay(NULL);
if (display)
{
ogl_Init(SDL_GL_GetProcAddress, display, static_cast<int>(SDL_SYSWM_X11));
initialized = true;
}
#endif
#if defined(SDL_VIDEO_DRIVER_WAYLAND)
if (!initialized)
{
// glad will find default EGLDisplay internally.
ogl_Init(SDL_GL_GetProcAddress, nullptr, static_cast<int>(SDL_SYSWM_WAYLAND));
initialized = true;
}
#endif
if (!initialized)
{
LOGERROR("Can't initialize GL");
return nullptr;
}
#else #else
ogl_Init(SDL_GL_GetProcAddress); ogl_Init(SDL_GL_GetProcAddress);
#endif #endif
#if OS_WIN || defined(SDL_VIDEO_DRIVER_X11) && !CONFIG2_GLES #if OS_WIN || defined(SDL_VIDEO_DRIVER_X11) && !CONFIG2_GLES
// Hack to stop things looking very ugly when scrolling in Atlas. // Hack to stop things looking very ugly when scrolling in Atlas.
ogl_SetVsyncEnabled(true); ogl_SetVsyncEnabled(true);
#endif #endif
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