#include <set>
-#ifndef WIN32
+#if !defined(WIN32) && !defined(__APPLE__)
#define GLX_GLXEXT_PROTOTYPES
#include <GL/glx.h>
#endif
#include <msp/strings/format.h>
#include <msp/strings/utils.h>
-#include "arb_shader_objects.h"
-#include "arb_uniform_buffer_object.h"
-#include "arb_vertex_buffer_object.h"
-#include "arb_vertex_program.h"
-#include "arb_vertex_shader.h"
#include "error.h"
-#include "ext_framebuffer_blit.h"
-#include "ext_framebuffer_multisample.h"
-#include "ext_framebuffer_object.h"
#include "extension.h"
#include "gl.h"
-#include "nv_primitive_restart.h"
-#include "version_1_2.h"
-#include "version_1_3.h"
using namespace std;
namespace Msp {
namespace GL {
+Extension::Extension(const char *n, InitFunc f):
+ name(n),
+ init_func(f),
+ init_done(false),
+ support(UNSUPPORTED)
+{ }
+
+Extension::operator bool() const
+{
+ if(!init_done)
+ {
+ support = init_func();
+ init_done = true;
+ }
+
+ return support>UNSUPPORTED;
+}
+
+
+Require::Require(const Extension &ext)
+{
+ if(!ext)
+ throw unsupported_extension(ext.get_name());
+}
+
+
bool is_supported(const string &ext)
{
static set<string> extensions;
extensions.insert(exts.begin(), exts.end());
}
- /* XXX Conceptually a bit weird place for this, but I couldn't really come up
- with anything better that would still be transparent. */
- if(extensions.count("GL_ARB_shader_objects"))
- init_arb_shader_objects();
- if(extensions.count("GL_ARB_vertex_shader"))
- init_arb_vertex_shader();
- if(extensions.count("GL_ARB_vertex_program"))
- init_arb_vertex_program();
- if(extensions.count("GL_EXT_framebuffer_object"))
- init_ext_framebuffer_object();
- if(extensions.count("GL_EXT_framebuffer_blit"))
- init_ext_framebuffer_blit();
- if(extensions.count("GL_EXT_framebuffer_multisample"))
- init_ext_framebuffer_multisample();
- if(extensions.count("GL_ARB_vertex_buffer_object"))
- init_arb_vertex_buffer_object();
- if(extensions.count("GL_NV_primitive_restart"))
- init_nv_primitive_restart();
- if(extensions.count("GL_ARB_uniform_buffer_object"))
- init_arb_uniform_buffer_object();
+ string renderer = reinterpret_cast<const char *>(glGetString(GL_RENDERER));
+ if(renderer.find("Radeon")!=string::npos)
+ /* Radeon doesn't process NV_primitive_restart correctly and treats
+ the restart index as a normal element if the indices are stored in a
+ buffer. */
+ extensions.erase("GL_NV_primitive_restart");
init_done = true;
}
return extensions.count(ext);
}
-void require_extension(const string &ext)
-{
- if(!is_supported(ext))
- throw unsupported_extension(ext);
-}
-
const Version &get_gl_version()
{
static Version version;
version.major = lexical_cast<unsigned>(parts[0]);
version.minor = lexical_cast<unsigned>(parts[1]);
- unsigned combined = version.major*0x100+version.minor;
- if(combined>=0x102)
- init_version_1_2();
- if(combined>=0x103)
- init_version_1_3();
-
init_done = true;
}
return (ver.major>a || (ver.major==a && ver.minor>=b));
}
-void require_version(unsigned a, unsigned b)
-{
- if(!is_version_at_least(a, b))
- throw unsupported_extension(format("OpenGL %d.%d", a, b));
-}
-
ExtFunc *get_proc_address(const string &name)
{
-#ifndef WIN32
- return glXGetProcAddressARB(reinterpret_cast<const unsigned char *>(name.c_str()));
-#else
+#if defined(WIN32)
return reinterpret_cast<ExtFunc *>(wglGetProcAddress(name.c_str()));
+#elif defined(__APPLE__)
+ (void)name;
+ return 0; // Not supported
+#else
+ return glXGetProcAddressARB(reinterpret_cast<const unsigned char *>(name.c_str()));
#endif
}