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-rw-r--r--src/CMakeLists.txt2
-rw-r--r--src/Makefile.am2
-rw-r--r--src/client.cpp1
-rw-r--r--src/graphics.cpp1
-rw-r--r--src/graphicsmanager.cpp70
-rw-r--r--src/graphicsmanager.h4
-rw-r--r--src/mgl.cpp33
-rw-r--r--src/mgl.h52
8 files changed, 154 insertions, 11 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0ce99f292..a048fa30e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -594,6 +594,8 @@ SET(SRCS
map.h
maplayer.cpp
maplayer.h
+ mgl.cpp
+ mgl.h
normalopenglgraphics.cpp
normalopenglgraphics.h
particle.cpp
diff --git a/src/Makefile.am b/src/Makefile.am
index 699caf64c..60c1a3659 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -607,6 +607,8 @@ manaplus_SOURCES += gui/widgets/avatarlistbox.cpp \
map.h \
maplayer.cpp \
maplayer.h \
+ mgl.cpp \
+ mgl.h \
normalopenglgraphics.cpp\
normalopenglgraphics.h \
particle.cpp \
diff --git a/src/client.cpp b/src/client.cpp
index e35a6eca8..5d43afbf5 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -534,6 +534,7 @@ void Client::gameInit()
applyVSync();
graphicsManager.setVideoMode();
+ graphicsManager.initOpenGLFunctions();
applyGrabMode();
applyGamma();
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 43e73f236..2700df10a 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -173,6 +173,7 @@ bool Graphics::setOpenGLMode()
logger->log1(glExtensions);
graphicsManager.updateExtensions(glExtensions);
+ graphicsManager.setGLVersion();
graphicsManager.updateTextureFormat();
updateMemoryInfo();
diff --git a/src/graphicsmanager.cpp b/src/graphicsmanager.cpp
index d18b79c41..79830294e 100644
--- a/src/graphicsmanager.cpp
+++ b/src/graphicsmanager.cpp
@@ -20,10 +20,17 @@
#include "graphicsmanager.h"
+#define GL_GLEXT_PROTOTYPES 1
+#include "GL/glx.h"
+// hack to hide warnings
+#undef GL_GLEXT_VERSION
+#undef GL_GLEXT_PROTOTYPES
+
#include "configuration.h"
#include "graphics.h"
#include "graphicsvertexes.h"
#include "logger.h"
+#include "mgl.h"
#include "resources/fboinfo.h"
#include "resources/imagehelper.h"
@@ -176,7 +183,6 @@ void GraphicsManager::initGraphics(bool noOpenGL)
mainGraphics = new SafeOpenGLGraphics;
break;
};
-
#else
// Create the graphics context
imageHelper = new SDLImageHelper;
@@ -284,6 +290,11 @@ std::string GraphicsManager::getGLString(int num) const
#endif
}
+void GraphicsManager::setGLVersion()
+{
+ sscanf(getGLString(GL_VERSION).c_str(), "%5d.%5d", &mMajor, &mMinor);
+}
+
void GraphicsManager::setVideoMode()
{
const int width = config.getIntValue("screenwidth");
@@ -348,25 +359,25 @@ void GraphicsManager::createFBO(int width, int height, FBOInfo *fbo)
glBindTexture(GL_TEXTURE_2D, 0);
// create a renderbuffer object to store depth info
- glGenRenderbuffersEXT(1, &fbo->rboId);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo->rboId);
- glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT,
+ mglGenRenderbuffers(1, &fbo->rboId);
+ mglBindRenderbuffer(GL_RENDERBUFFER, fbo->rboId);
+ mglRenderbufferStorage(GL_RENDERBUFFER,
GL_DEPTH_COMPONENT, width, height);
- glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
+ mglBindRenderbuffer(GL_RENDERBUFFER, 0);
// create a framebuffer object
- glGenFramebuffersEXT(1, &fbo->fboId);
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo->fboId);
+ mglGenFramebuffers(1, &fbo->fboId);
+ mglBindFramebuffer(GL_FRAMEBUFFER, fbo->fboId);
// attach the texture to FBO color attachment point
- glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
+ mglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, fbo->textureId, 0);
// attach the renderbuffer to depth attachment point
- glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
- GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, fbo->rboId);
+ mglFramebufferRenderbuffer(GL_FRAMEBUFFER,
+ GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, fbo->rboId);
- glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo->fboId);
+ mglBindFramebuffer(GL_FRAMEBUFFER, fbo->fboId);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
#endif
}
@@ -396,3 +407,40 @@ void GraphicsManager::deleteFBO(FBOInfo *fbo)
}
#endif
}
+
+#ifdef WIN32
+#define getFunction(name) wglGetProcAddress(name);
+#else
+#define getFunction(name) glXGetProcAddress((const GLubyte*)(name))
+#endif
+
+void GraphicsManager::initOpenGLFunctions()
+{
+ if (!checkGLVersion(1, 1))
+ return;
+
+ if (supportExtension("GL_ARB_framebuffer_object"))
+ { // frame buffer supported
+ mglGenRenderbuffers = (glGenRenderbuffers_t)getFunction("glGenRenderbuffers");
+ mglBindRenderbuffer = (glBindRenderbuffer_t)getFunction("glBindRenderbuffer");
+ mglRenderbufferStorage = (glRenderbufferStorage_t)getFunction("glRenderbufferStorage");
+ mglGenFramebuffers = (glGenFramebuffers_t)getFunction("glGenFramebuffers");
+ mglBindFramebuffer = (glBindFramebuffer_t)getFunction("glBindFramebuffer");
+ mglFramebufferTexture2D = (glFramebufferTexture2D_t)getFunction("glFramebufferTexture2D");
+ mglFramebufferRenderbuffer = (glFramebufferRenderbuffer_t)getFunction("glFramebufferRenderbuffer");
+ }
+ else if (supportExtension("GL_EXT_framebuffer_object"))
+ { // old frame buffer extension
+ mglGenRenderbuffers = (glGenRenderbuffers_t)getFunction("glGenRenderbuffersEXT");
+ mglBindRenderbuffer = (glBindRenderbuffer_t)getFunction("glBindRenderbufferEXT");
+ mglRenderbufferStorage = (glRenderbufferStorage_t)getFunction("glRenderbufferStorageEXT");
+ mglGenFramebuffers = (glGenFramebuffers_t)getFunction("glGenFramebuffersEXT");
+ mglBindFramebuffer = (glBindFramebuffer_t)getFunction("glBindFramebufferEXT");
+ mglFramebufferTexture2D = (glFramebufferTexture2D_t)getFunction("glFramebufferTexture2DEXT");
+ mglFramebufferRenderbuffer = (glFramebufferRenderbuffer_t)getFunction("glFramebufferRenderbufferEXT");
+ }
+ else
+ { // no frame buffer support
+ config.setValue("usefbo", false);
+ }
+}
diff --git a/src/graphicsmanager.h b/src/graphicsmanager.h
index a82739bc5..9b7a40a29 100644
--- a/src/graphicsmanager.h
+++ b/src/graphicsmanager.h
@@ -51,6 +51,8 @@ class GraphicsManager
std::string getGLString(int num) const;
+ void setGLVersion();
+
void setVideoMode();
bool checkGLVersion(int major, int minor) const;
@@ -59,6 +61,8 @@ class GraphicsManager
void deleteFBO(FBOInfo *fbo);
+ void initOpenGLFunctions();
+
private:
std::set<std::string> mExtensions;
diff --git a/src/mgl.cpp b/src/mgl.cpp
new file mode 100644
index 000000000..856a3575c
--- /dev/null
+++ b/src/mgl.cpp
@@ -0,0 +1,33 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2012 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 "mgl.h"
+
+#include "localconsts.h"
+
+#define defName(name) name##_t m##name = nullptr
+
+defName(glGenRenderbuffers);
+defName(glBindRenderbuffer);
+defName(glRenderbufferStorage);
+defName(glGenFramebuffers);
+defName(glBindFramebuffer);
+defName(glFramebufferTexture2D);
+defName(glFramebufferRenderbuffer);
diff --git a/src/mgl.h b/src/mgl.h
new file mode 100644
index 000000000..3721c6a9f
--- /dev/null
+++ b/src/mgl.h
@@ -0,0 +1,52 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2012 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 MGL_H
+#define MGL_H
+
+#define GL_GLEXT_PROTOTYPES 1
+
+#include <SDL_opengl.h>
+#include <GL/glext.h>
+
+#define defNameE(name) extern name##_t m##name
+
+typedef void (APIENTRY *glGenRenderbuffers_t)(GLsizei, GLuint *);
+typedef void (APIENTRY *glBindRenderbuffer_t)(GLenum target,
+ GLuint renderbuffer);
+typedef void (APIENTRY *glRenderbufferStorage_t)(GLenum target,
+ GLenum internalformat, GLsizei width, GLsizei height);
+typedef void (APIENTRY *glGenFramebuffers_t)(GLsizei n, GLuint *framebuffers);
+typedef void (APIENTRY *glBindFramebuffer_t)(GLenum target,
+ GLuint framebuffer);
+typedef void (APIENTRY *glFramebufferTexture2D_t)(GLenum target,
+ GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+typedef void (APIENTRY *glFramebufferRenderbuffer_t)(GLenum target,
+ GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+
+defNameE(glGenRenderbuffers);
+defNameE(glBindRenderbuffer);
+defNameE(glRenderbufferStorage);
+defNameE(glGenFramebuffers);
+defNameE(glBindFramebuffer);
+defNameE(glFramebufferTexture2D);
+defNameE(glFramebufferRenderbuffer);
+
+#endif
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