summaryrefslogtreecommitdiff
path: root/src/utils
diff options
context:
space:
mode:
Diffstat (limited to 'src/utils')
-rw-r--r--src/utils/glxhelper.cpp120
-rw-r--r--src/utils/glxhelper.h41
-rw-r--r--src/utils/sdl2helper.cpp32
-rw-r--r--src/utils/sdl2helper.h4
-rw-r--r--src/utils/sdlhelper.cpp38
-rw-r--r--src/utils/sdlhelper.h4
6 files changed, 239 insertions, 0 deletions
diff --git a/src/utils/glxhelper.cpp b/src/utils/glxhelper.cpp
new file mode 100644
index 000000000..1fedeb9c6
--- /dev/null
+++ b/src/utils/glxhelper.cpp
@@ -0,0 +1,120 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * 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 "utils/glxhelper.h"
+
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+#include "logger.h"
+
+#include "render/mglx.h"
+#include "render/mglxtypes.h"
+
+#include "utils/stringutils.h"
+
+#include "debug.h"
+
+static int ErrorHandler(Display *d A_UNUSED, XErrorEvent *e A_UNUSED)
+{
+ return 0;
+}
+
+void *GlxHelper::createContext(unsigned int window,
+ void *const display0,
+ const int major,
+ const int minor)
+{
+ Display *const display = static_cast<Display*>(display0);
+ XSync(display, false);
+ int (*handler) (Display *, XErrorEvent *) = XSetErrorHandler(ErrorHandler);
+ void *context = mglXGetCurrentContext();
+ if (!mglXGetCurrentContext
+ || !mglXCreateContextAttribs
+ || !mglXChooseFBConfig)
+ {
+ logger->log("Cant change context, functions in driver "
+ "not implimented");
+ XSetErrorHandler(handler);
+ return context;
+ }
+ if (!context)
+ {
+ logger->log("Cant change context, because current "
+ "context not created");
+ XSetErrorHandler(handler);
+ return context;
+ }
+ int glxAttribs[] =
+ {
+ GLX_RENDER_TYPE, GLX_RGBA_BIT,
+ GLX_RED_SIZE, 3,
+ GLX_GREEN_SIZE, 3,
+ GLX_BLUE_SIZE, 2,
+ GLX_DOUBLEBUFFER, 1,
+ 0
+ };
+
+ int fbcount = 0;
+ GLXFBConfig *framebuffer_config = mglXChooseFBConfig(display,
+ DefaultScreen(display),
+ glxAttribs,
+ &fbcount);
+
+ if (!framebuffer_config || !fbcount)
+ {
+ logger->log("No correct fb profile found");
+ XSetErrorHandler(handler);
+ return nullptr;
+ }
+
+ int attribs[] =
+ {
+ GLX_CONTEXT_MAJOR_VERSION_ARB, major,
+ GLX_CONTEXT_MINOR_VERSION_ARB, minor,
+ GLX_CONTEXT_PROFILE_MASK_ARB, 0x01, // core profile
+ 0, 0
+ };
+
+ void *const context2 = mglXCreateContextAttribs(display,
+ framebuffer_config[0], context, true, attribs);
+ if (!context2)
+ {
+ logger->log("context %d.%d creation failed", major, minor);
+ XSetErrorHandler(handler);
+ return nullptr;
+ }
+
+ XSync(display, false);
+ XSetErrorHandler(handler);
+
+ if (!mglXMakeCurrent(display, window, context2))
+ {
+ mglXDestroyContext(display, context2);
+ logger->log("make current context %d.%d failed", major, minor);
+ return nullptr;
+ }
+
+// do not delete SDL context, because on exit it will crash
+// mglXDestroyContext(display, context);
+ logger->log("Context for %d.%d created", major, minor);
+ return context2;
+}
+
+#endif // defined(USE_OPENGL) && defined(USE_X11)
diff --git a/src/utils/glxhelper.h b/src/utils/glxhelper.h
new file mode 100644
index 000000000..0378256d0
--- /dev/null
+++ b/src/utils/glxhelper.h
@@ -0,0 +1,41 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2014 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * 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/>.
+ */
+
+#ifndef UTILS_GLXHELPER_H
+#define UTILS_GLXHELPER_H
+
+#include "main.h"
+
+#if defined(USE_OPENGL) && defined(USE_X11)
+
+#include "localconsts.h"
+
+//struct Display;
+
+namespace GlxHelper
+{
+ void *createContext(unsigned int window,
+ void *const display,
+ const int major,
+ const int minor);
+} // namespace Glx
+
+#endif // defined(USE_OPENGL) && defined(USE_X11)
+#endif // UTILS_GLXHELPER_H
diff --git a/src/utils/sdl2helper.cpp b/src/utils/sdl2helper.cpp
index 22c57116c..3b2b988a0 100644
--- a/src/utils/sdl2helper.cpp
+++ b/src/utils/sdl2helper.cpp
@@ -94,4 +94,36 @@ SDL_Thread *SDL::createThread(SDL_ThreadFunction fn,
return SDL_CreateThread(fn, name, data);
}
+void *SDL::createGLContext(SDL_Window *const window,
+ const int major,
+ const int minor)
+{
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
+ SDL_GL_CONTEXT_PROFILE_CORE);
+// SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
+ SDL_ClearError();
+ void *context = SDL_GL_CreateContext(window);
+ if (SDL_GetError())
+ {
+ if (!context && (major > 3 || (major == 3 && minor > 3)))
+ {
+ logger->log("Try fallback to OpenGL 3.3 context");
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+ SDL_ClearError();
+ context = SDL_GL_CreateContext(window);
+ if (SDL_GetError())
+ {
+ logger->log("Try fallback to OpenGL 3.0 context");
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
+ context = SDL_GL_CreateContext(window);
+ }
+ }
+ }
+ return context;
+}
+
#endif // USE_SDL2
diff --git a/src/utils/sdl2helper.h b/src/utils/sdl2helper.h
index 9f625ee84..6f59b27a6 100644
--- a/src/utils/sdl2helper.h
+++ b/src/utils/sdl2helper.h
@@ -51,6 +51,10 @@ namespace SDL
SDL_Thread *createThread(SDL_ThreadFunction fn,
const char *restrict const name,
void *restrict const data);
+
+ void *createGLContext(SDL_Window *const window,
+ const int major,
+ const int minor);
} // namespace SDL
#endif // USE_SDL2
diff --git a/src/utils/sdlhelper.cpp b/src/utils/sdlhelper.cpp
index 0f5d67a59..19cffa0a6 100644
--- a/src/utils/sdlhelper.cpp
+++ b/src/utils/sdlhelper.cpp
@@ -23,9 +23,14 @@
#include "utils/sdlhelper.h"
#include "logger.h"
+#include "main.h"
#include "utils/stringutils.h"
+#ifdef USE_X11
+#include "utils/glxhelper.h"
+#endif // USE_X11
+
#include <SDL_syswm.h>
#include <SDL_video.h>
@@ -111,4 +116,37 @@ SDL_Thread *SDL::createThread(int (SDLCALL *fn)(void *),
return SDL_CreateThread(fn, data);
}
+#if defined(USE_X11) && defined(USE_OPENGL)
+void *SDL::createGLContext(SDL_Surface *const window A_UNUSED,
+ const int major,
+ const int minor)
+{
+ SDL_SysWMinfo info;
+ SDL_VERSION(&info.version);
+ SDL_GetWMInfo(&info);
+ void *context = GlxHelper::createContext(info.info.x11.window,
+ info.info.x11.display, major, minor);
+ if (!context && (major > 3 || (major == 3 && minor > 3)))
+ {
+ logger->log("Try fallback to OpenGL 3.3 context");
+ context = GlxHelper::createContext(info.info.x11.window,
+ info.info.x11.display, 3, 3);
+ if (!context)
+ {
+ logger->log("Try fallback to OpenGL 3.0 context");
+ context = GlxHelper::createContext(info.info.x11.window,
+ info.info.x11.display, 3, 0);
+ }
+ }
+ return context;
+}
+#else
+void *SDL::createGLContext(SDL_Surface *const window A_UNUSED,
+ const int major A_UNUSED,
+ const int minor A_UNUSED)
+{
+ return nullptr;
+}
+#endif
+
#endif // USE_SDL2
diff --git a/src/utils/sdlhelper.h b/src/utils/sdlhelper.h
index a471268af..328c093cd 100644
--- a/src/utils/sdlhelper.h
+++ b/src/utils/sdlhelper.h
@@ -56,6 +56,10 @@ namespace SDL
SDL_Thread *createThread(int (SDLCALL *fn)(void *),
const char *const name A_UNUSED,
void *const data);
+
+ void *createGLContext(SDL_Surface *const window A_UNUSED,
+ const int major,
+ const int minor);
} // namespace SDL
#endif // USE_SDL2
generated by cgit v1.2.3-60-g2f50 (git 2.42.0) at 2024-07-18 22:23:38 +0000