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Diffstat (limited to 'src/graphicsmanager.cpp')
-rw-r--r--src/graphicsmanager.cpp70
1 files changed, 59 insertions, 11 deletions
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);
+ }
+}