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authorChia-I Wu <olv@lunarg.com>2011-01-07 13:42:15 +0800
committerChia-I Wu <olv@lunarg.com>2011-01-10 11:25:31 +0800
commit15f0223931e32ef5ff82b39a2b6c433400edbd9d (patch)
tree4c44ef6c780318400ed30fa67ff0c93339354cca /src
parentfef5d14494ff19ea302e247ba593e189a8ab62bd (diff)
egl_glx: Load libGL dynamically.
This is a step forward for compatibility with really old GLX. But the real reason for making this change now is so that we can make egl_glx a built-in driver without having to link to libGL.
Diffstat (limited to 'src')
-rw-r--r--src/egl/drivers/glx/Makefile2
-rw-r--r--src/egl/drivers/glx/egl_glx.c343
2 files changed, 238 insertions, 107 deletions
diff --git a/src/egl/drivers/glx/Makefile b/src/egl/drivers/glx/Makefile
index d976b91a74e..89981e6c3a7 100644
--- a/src/egl/drivers/glx/Makefile
+++ b/src/egl/drivers/glx/Makefile
@@ -11,6 +11,6 @@ EGL_INCLUDES = \
-I$(TOP)/src/egl/main
EGL_CFLAGS = $(X11_CFLAGS)
-EGL_LIBS = $(X11_LIBS) -lGL
+EGL_LIBS = $(X11_LIBS) $(DLOPEN_LIBS)
include ../Makefile.template
diff --git a/src/egl/drivers/glx/egl_glx.c b/src/egl/drivers/glx/egl_glx.c
index 8ec7c48c50e..db9109dacc5 100644
--- a/src/egl/drivers/glx/egl_glx.c
+++ b/src/egl/drivers/glx/egl_glx.c
@@ -36,8 +36,8 @@
#include <stdlib.h>
#include <string.h>
#include <X11/Xlib.h>
-#include <GL/glx.h>
-#include <EGL/egl.h>
+#include <dlfcn.h>
+#include "GL/glx.h"
#include "eglconfig.h"
#include "eglcontext.h"
@@ -54,10 +54,66 @@
#error "GL/glx.h must be equal to or greater than GLX 1.4"
#endif
+/* GLX 1.0 */
+typedef GLXContext (*GLXCREATECONTEXTPROC)( Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct );
+typedef void (*GLXDESTROYCONTEXTPROC)( Display *dpy, GLXContext ctx );
+typedef Bool (*GLXMAKECURRENTPROC)( Display *dpy, GLXDrawable drawable, GLXContext ctx);
+typedef void (*GLXSWAPBUFFERSPROC)( Display *dpy, GLXDrawable drawable );
+typedef GLXPixmap (*GLXCREATEGLXPIXMAPPROC)( Display *dpy, XVisualInfo *visual, Pixmap pixmap );
+typedef void (*GLXDESTROYGLXPIXMAPPROC)( Display *dpy, GLXPixmap pixmap );
+typedef Bool (*GLXQUERYVERSIONPROC)( Display *dpy, int *maj, int *min );
+typedef int (*GLXGETCONFIGPROC)( Display *dpy, XVisualInfo *visual, int attrib, int *value );
+typedef void (*GLXWAITGLPROC)( void );
+typedef void (*GLXWAITXPROC)( void );
+
+/* GLX 1.1 */
+typedef const char *(*GLXQUERYEXTENSIONSSTRINGPROC)( Display *dpy, int screen );
+typedef const char *(*GLXQUERYSERVERSTRINGPROC)( Display *dpy, int screen, int name );
+typedef const char *(*GLXGETCLIENTSTRINGPROC)( Display *dpy, int name );
+
/** subclass of _EGLDriver */
struct GLX_egl_driver
{
_EGLDriver Base; /**< base class */
+
+ void *handle;
+
+ /* GLX 1.0 */
+ GLXCREATECONTEXTPROC glXCreateContext;
+ GLXDESTROYCONTEXTPROC glXDestroyContext;
+ GLXMAKECURRENTPROC glXMakeCurrent;
+ GLXSWAPBUFFERSPROC glXSwapBuffers;
+ GLXCREATEGLXPIXMAPPROC glXCreateGLXPixmap;
+ GLXDESTROYGLXPIXMAPPROC glXDestroyGLXPixmap;
+ GLXQUERYVERSIONPROC glXQueryVersion;
+ GLXGETCONFIGPROC glXGetConfig;
+ GLXWAITGLPROC glXWaitGL;
+ GLXWAITXPROC glXWaitX;
+
+ /* GLX 1.1 */
+ GLXQUERYEXTENSIONSSTRINGPROC glXQueryExtensionsString;
+ GLXQUERYSERVERSTRINGPROC glXQueryServerString;
+ GLXGETCLIENTSTRINGPROC glXGetClientString;
+
+ /* GLX 1.3 or (GLX_SGI_make_current_read and GLX_SGIX_fbconfig) */
+ PFNGLXGETFBCONFIGSPROC glXGetFBConfigs;
+ PFNGLXGETFBCONFIGATTRIBPROC glXGetFBConfigAttrib;
+ PFNGLXGETVISUALFROMFBCONFIGPROC glXGetVisualFromFBConfig;
+ PFNGLXCREATEWINDOWPROC glXCreateWindow;
+ PFNGLXDESTROYWINDOWPROC glXDestroyWindow;
+ PFNGLXCREATEPIXMAPPROC glXCreatePixmap;
+ PFNGLXDESTROYPIXMAPPROC glXDestroyPixmap;
+ PFNGLXCREATEPBUFFERPROC glXCreatePbuffer;
+ PFNGLXDESTROYPBUFFERPROC glXDestroyPbuffer;
+ PFNGLXCREATENEWCONTEXTPROC glXCreateNewContext;
+ PFNGLXMAKECONTEXTCURRENTPROC glXMakeContextCurrent;
+
+ /* GLX 1.4 or GLX_ARB_get_proc_address */
+ PFNGLXGETPROCADDRESSPROC glXGetProcAddress;
+
+ /* GLX_SGIX_pbuffer */
+ PFNGLXCREATEGLXPBUFFERSGIXPROC glXCreateGLXPbufferSGIX;
+ PFNGLXDESTROYGLXPBUFFERSGIXPROC glXDestroyGLXPbufferSGIX;
};
@@ -76,14 +132,9 @@ struct GLX_egl_display
EGLBoolean have_fbconfig;
EGLBoolean have_pbuffer;
- /* GLX_SGIX_pbuffer */
- PFNGLXCREATEGLXPBUFFERSGIXPROC glXCreateGLXPbufferSGIX;
- PFNGLXDESTROYGLXPBUFFERSGIXPROC glXDestroyGLXPbufferSGIX;
-
/* workaround quirks of different GLX implementations */
EGLBoolean single_buffered_quirk;
EGLBoolean glx_window_quirk;
-
};
@@ -168,19 +219,21 @@ static const struct {
static EGLBoolean
-convert_fbconfig(Display *dpy, GLXFBConfig fbconfig,
+convert_fbconfig(struct GLX_egl_driver *GLX_drv,
+ struct GLX_egl_display *GLX_dpy, GLXFBConfig fbconfig,
struct GLX_egl_config *GLX_conf)
{
+ Display *dpy = GLX_dpy->dpy;
int err, attr, val;
unsigned i;
/* must have rgba bit */
- err = glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &val);
+ err = GLX_drv->glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &val);
if (err || !(val & GLX_RGBA_BIT))
return EGL_FALSE;
/* must know whether it is double-buffered */
- err = glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &val);
+ err = GLX_drv->glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &val);
if (err)
return EGL_FALSE;
GLX_conf->double_buffered = val;
@@ -196,7 +249,7 @@ convert_fbconfig(Display *dpy, GLXFBConfig fbconfig,
if (!egl_attr)
continue;
- err = glXGetFBConfigAttrib(dpy, fbconfig, attr, &val);
+ err = GLX_drv->glXGetFBConfigAttrib(dpy, fbconfig, attr, &val);
if (err) {
if (err == GLX_BAD_ATTRIBUTE) {
err = 0;
@@ -303,21 +356,23 @@ static const struct {
};
static EGLBoolean
-convert_visual(Display *dpy, XVisualInfo *vinfo,
+convert_visual(struct GLX_egl_driver *GLX_drv,
+ struct GLX_egl_display *GLX_dpy, XVisualInfo *vinfo,
struct GLX_egl_config *GLX_conf)
{
+ Display *dpy = GLX_dpy->dpy;
int err, attr, val;
unsigned i;
/* the visual must support OpenGL and RGBA buffer */
- err = glXGetConfig(dpy, vinfo, GLX_USE_GL, &val);
+ err = GLX_drv->glXGetConfig(dpy, vinfo, GLX_USE_GL, &val);
if (!err && val)
- err = glXGetConfig(dpy, vinfo, GLX_RGBA, &val);
+ err = GLX_drv->glXGetConfig(dpy, vinfo, GLX_RGBA, &val);
if (err || !val)
return EGL_FALSE;
/* must know whether it is double-buffered */
- err = glXGetConfig(dpy, vinfo, GLX_DOUBLEBUFFER, &val);
+ err = GLX_drv->glXGetConfig(dpy, vinfo, GLX_DOUBLEBUFFER, &val);
if (err)
return EGL_FALSE;
GLX_conf->double_buffered = val;
@@ -341,7 +396,7 @@ convert_visual(Display *dpy, XVisualInfo *vinfo,
if (!egl_attr)
continue;
- err = glXGetConfig(dpy, vinfo, attr, &val);
+ err = GLX_drv->glXGetConfig(dpy, vinfo, attr, &val);
if (err) {
if (err == GLX_BAD_ATTRIBUTE) {
err = 0;
@@ -406,14 +461,16 @@ fix_config(struct GLX_egl_display *GLX_dpy, struct GLX_egl_config *GLX_conf)
static EGLBoolean
-create_configs(_EGLDisplay *dpy, struct GLX_egl_display *GLX_dpy,
- EGLint screen)
+create_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint screen)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
+ struct GLX_egl_display *GLX_dpy = GLX_egl_display(dpy);
EGLint num_configs = 0, i;
EGLint id = 1;
if (GLX_dpy->have_fbconfig) {
- GLX_dpy->fbconfigs = glXGetFBConfigs(GLX_dpy->dpy, screen, &num_configs);
+ GLX_dpy->fbconfigs =
+ GLX_drv->glXGetFBConfigs(GLX_dpy->dpy, screen, &num_configs);
}
else {
XVisualInfo vinfo_template;
@@ -434,10 +491,14 @@ create_configs(_EGLDisplay *dpy, struct GLX_egl_display *GLX_dpy,
memset(&template, 0, sizeof(template));
_eglInitConfig(&template.Base, dpy, id);
- if (GLX_dpy->have_fbconfig)
- ok = convert_fbconfig(GLX_dpy->dpy, GLX_dpy->fbconfigs[i], &template);
- else
- ok = convert_visual(GLX_dpy->dpy, &GLX_dpy->visuals[i], &template);
+ if (GLX_dpy->have_fbconfig) {
+ ok = convert_fbconfig(GLX_drv, GLX_dpy,
+ GLX_dpy->fbconfigs[i], &template);
+ }
+ else {
+ ok = convert_visual(GLX_drv, GLX_dpy,
+ &GLX_dpy->visuals[i], &template);
+ }
if (!ok)
continue;
@@ -462,13 +523,12 @@ create_configs(_EGLDisplay *dpy, struct GLX_egl_display *GLX_dpy,
static void
-check_extensions(struct GLX_egl_display *GLX_dpy, EGLint screen)
+check_extensions(struct GLX_egl_driver *GLX_drv,
+ struct GLX_egl_display *GLX_dpy, EGLint screen)
{
GLX_dpy->extensions =
- glXQueryExtensionsString(GLX_dpy->dpy, screen);
+ GLX_drv->glXQueryExtensionsString(GLX_dpy->dpy, screen);
if (GLX_dpy->extensions) {
- /* glXGetProcAddress is assumed */
-
if (strstr(GLX_dpy->extensions, "GLX_SGI_make_current_read")) {
/* GLX 1.3 entry points are used */
GLX_dpy->have_make_current_read = EGL_TRUE;
@@ -480,13 +540,8 @@ check_extensions(struct GLX_egl_display *GLX_dpy, EGLint screen)
}
if (strstr(GLX_dpy->extensions, "GLX_SGIX_pbuffer")) {
- GLX_dpy->glXCreateGLXPbufferSGIX = (PFNGLXCREATEGLXPBUFFERSGIXPROC)
- glXGetProcAddress((const GLubyte *) "glXCreateGLXPbufferSGIX");
- GLX_dpy->glXDestroyGLXPbufferSGIX = (PFNGLXDESTROYGLXPBUFFERSGIXPROC)
- glXGetProcAddress((const GLubyte *) "glXDestroyGLXPbufferSGIX");
-
- if (GLX_dpy->glXCreateGLXPbufferSGIX &&
- GLX_dpy->glXDestroyGLXPbufferSGIX &&
+ if (GLX_drv->glXCreateGLXPbufferSGIX &&
+ GLX_drv->glXDestroyGLXPbufferSGIX &&
GLX_dpy->have_fbconfig)
GLX_dpy->have_pbuffer = EGL_TRUE;
}
@@ -502,16 +557,17 @@ check_extensions(struct GLX_egl_display *GLX_dpy, EGLint screen)
static void
-check_quirks(struct GLX_egl_display *GLX_dpy, EGLint screen)
+check_quirks(struct GLX_egl_driver *GLX_drv,
+ struct GLX_egl_display *GLX_dpy, EGLint screen)
{
const char *vendor;
GLX_dpy->single_buffered_quirk = EGL_TRUE;
GLX_dpy->glx_window_quirk = EGL_TRUE;
- vendor = glXGetClientString(GLX_dpy->dpy, GLX_VENDOR);
+ vendor = GLX_drv->glXGetClientString(GLX_dpy->dpy, GLX_VENDOR);
if (vendor && strstr(vendor, "NVIDIA")) {
- vendor = glXQueryServerString(GLX_dpy->dpy, screen, GLX_VENDOR);
+ vendor = GLX_drv->glXQueryServerString(GLX_dpy->dpy, screen, GLX_VENDOR);
if (vendor && strstr(vendor, "NVIDIA")) {
_eglLog(_EGL_DEBUG, "disable quirks");
GLX_dpy->single_buffered_quirk = EGL_FALSE;
@@ -528,10 +584,9 @@ static EGLBoolean
GLX_eglInitialize(_EGLDriver *drv, _EGLDisplay *disp,
EGLint *major, EGLint *minor)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_display *GLX_dpy;
- (void) drv;
-
if (disp->Platform != _EGL_PLATFORM_X11)
return EGL_FALSE;
@@ -549,7 +604,8 @@ GLX_eglInitialize(_EGLDriver *drv, _EGLDisplay *disp,
}
}
- if (!glXQueryVersion(GLX_dpy->dpy, &GLX_dpy->glx_maj, &GLX_dpy->glx_min)) {
+ if (!GLX_drv->glXQueryVersion(GLX_dpy->dpy,
+ &GLX_dpy->glx_maj, &GLX_dpy->glx_min)) {
_eglLog(_EGL_WARNING, "GLX: glXQueryVersion failed");
if (!disp->PlatformDisplay)
XCloseDisplay(GLX_dpy->dpy);
@@ -557,10 +613,13 @@ GLX_eglInitialize(_EGLDriver *drv, _EGLDisplay *disp,
return EGL_FALSE;
}
- check_extensions(GLX_dpy, DefaultScreen(GLX_dpy->dpy));
- check_quirks(GLX_dpy, DefaultScreen(GLX_dpy->dpy));
+ disp->DriverData = (void *) GLX_dpy;
+ disp->ClientAPIsMask = EGL_OPENGL_BIT;
+
+ check_extensions(GLX_drv, GLX_dpy, DefaultScreen(GLX_dpy->dpy));
+ check_quirks(GLX_drv, GLX_dpy, DefaultScreen(GLX_dpy->dpy));
- create_configs(disp, GLX_dpy, DefaultScreen(GLX_dpy->dpy));
+ create_configs(drv, disp, DefaultScreen(GLX_dpy->dpy));
if (!_eglGetArraySize(disp->Configs)) {
_eglLog(_EGL_WARNING, "GLX: failed to create any config");
if (!disp->PlatformDisplay)
@@ -569,9 +628,6 @@ GLX_eglInitialize(_EGLDriver *drv, _EGLDisplay *disp,
return EGL_FALSE;
}
- disp->DriverData = (void *) GLX_dpy;
- disp->ClientAPIsMask = EGL_OPENGL_BIT;
-
/* we're supporting EGL 1.4 */
*major = 1;
*minor = 4;
@@ -579,6 +635,7 @@ GLX_eglInitialize(_EGLDriver *drv, _EGLDisplay *disp,
return EGL_TRUE;
}
+
/**
* Called via eglTerminate(), drv->API.Terminate().
*/
@@ -612,12 +669,11 @@ static _EGLContext *
GLX_eglCreateContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
_EGLContext *share_list, const EGLint *attrib_list)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_context *GLX_ctx = CALLOC_STRUCT(GLX_egl_context);
struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp);
struct GLX_egl_context *GLX_ctx_shared = GLX_egl_context(share_list);
- (void) drv;
-
if (!GLX_ctx) {
_eglError(EGL_BAD_ALLOC, "eglCreateContext");
return NULL;
@@ -628,19 +684,19 @@ GLX_eglCreateContext(_EGLDriver *drv, _EGLDisplay *disp, _EGLConfig *conf,
return NULL;
}
- if (GLX_dpy->have_fbconfig)
- GLX_ctx->context =
- glXCreateNewContext(GLX_dpy->dpy,
- GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
- GLX_RGBA_TYPE,
- GLX_ctx_shared ? GLX_ctx_shared->context : NULL,
- GL_TRUE);
- else
- GLX_ctx->context =
- glXCreateContext(GLX_dpy->dpy,
- &GLX_dpy->visuals[GLX_egl_config_index(conf)],
- GLX_ctx_shared ? GLX_ctx_shared->context : NULL,
- GL_TRUE);
+ if (GLX_dpy->have_fbconfig) {
+ GLX_ctx->context = GLX_drv->glXCreateNewContext(GLX_dpy->dpy,
+ GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
+ GLX_RGBA_TYPE,
+ GLX_ctx_shared ? GLX_ctx_shared->context : NULL,
+ GL_TRUE);
+ }
+ else {
+ GLX_ctx->context = GLX_drv->glXCreateContext(GLX_dpy->dpy,
+ &GLX_dpy->visuals[GLX_egl_config_index(conf)],
+ GLX_ctx_shared ? GLX_ctx_shared->context : NULL,
+ GL_TRUE);
+ }
if (!GLX_ctx->context) {
free(GLX_ctx);
return NULL;
@@ -673,6 +729,7 @@ static EGLBoolean
GLX_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
_EGLSurface *rsurf, _EGLContext *ctx)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp);
struct GLX_egl_surface *GLX_dsurf = GLX_egl_surface(dsurf);
struct GLX_egl_surface *GLX_rsurf = GLX_egl_surface(rsurf);
@@ -683,8 +740,6 @@ GLX_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
GLXContext cctx;
EGLBoolean ret = EGL_FALSE;
- (void) drv;
-
/* make new bindings */
if (!_eglBindContext(ctx, dsurf, rsurf, &old_ctx, &old_dsurf, &old_rsurf))
return EGL_FALSE;
@@ -694,9 +749,9 @@ GLX_eglMakeCurrent(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *dsurf,
cctx = (GLX_ctx) ? GLX_ctx->context : NULL;
if (GLX_dpy->have_make_current_read)
- ret = glXMakeContextCurrent(GLX_dpy->dpy, ddraw, rdraw, cctx);
+ ret = GLX_drv->glXMakeContextCurrent(GLX_dpy->dpy, ddraw, rdraw, cctx);
else if (ddraw == rdraw)
- ret = glXMakeCurrent(GLX_dpy->dpy, ddraw, cctx);
+ ret = GLX_drv->glXMakeCurrent(GLX_dpy->dpy, ddraw, cctx);
if (ret) {
if (_eglPutSurface(old_dsurf))
@@ -747,12 +802,11 @@ GLX_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *disp,
_EGLConfig *conf, EGLNativeWindowType window,
const EGLint *attrib_list)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp);
struct GLX_egl_surface *GLX_surf;
uint width, height;
- (void) drv;
-
GLX_surf = CALLOC_STRUCT(GLX_egl_surface);
if (!GLX_surf) {
_eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface");
@@ -767,13 +821,14 @@ GLX_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *disp,
GLX_surf->drawable = window;
- if (GLX_dpy->have_1_3 && !GLX_dpy->glx_window_quirk)
- GLX_surf->glx_drawable =
- glXCreateWindow(GLX_dpy->dpy,
- GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
- GLX_surf->drawable, NULL);
- else
+ if (GLX_dpy->have_1_3 && !GLX_dpy->glx_window_quirk) {
+ GLX_surf->glx_drawable = GLX_drv->glXCreateWindow(GLX_dpy->dpy,
+ GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
+ GLX_surf->drawable, NULL);
+ }
+ else {
GLX_surf->glx_drawable = GLX_surf->drawable;
+ }
if (!GLX_surf->glx_drawable) {
free(GLX_surf);
@@ -781,7 +836,7 @@ GLX_eglCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *disp,
}
if (GLX_dpy->have_1_3 && !GLX_dpy->glx_window_quirk)
- GLX_surf->destroy = glXDestroyWindow;
+ GLX_surf->destroy = GLX_drv->glXDestroyWindow;
get_drawable_size(GLX_dpy->dpy, window, &width, &height);
GLX_surf->Base.Width = width;
@@ -795,12 +850,11 @@ GLX_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *disp,
_EGLConfig *conf, EGLNativePixmapType pixmap,
const EGLint *attrib_list)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp);
struct GLX_egl_surface *GLX_surf;
uint width, height;
- (void) drv;
-
GLX_surf = CALLOC_STRUCT(GLX_egl_surface);
if (!GLX_surf) {
_eglError(EGL_BAD_ALLOC, "eglCreatePixmapSurface");
@@ -816,25 +870,25 @@ GLX_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *disp,
GLX_surf->drawable = pixmap;
if (GLX_dpy->have_1_3) {
- GLX_surf->glx_drawable =
- glXCreatePixmap(GLX_dpy->dpy,
- GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
- GLX_surf->drawable, NULL);
+ GLX_surf->glx_drawable = GLX_drv->glXCreatePixmap(GLX_dpy->dpy,
+ GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
+ GLX_surf->drawable, NULL);
}
else if (GLX_dpy->have_fbconfig) {
GLXFBConfig fbconfig = GLX_dpy->fbconfigs[GLX_egl_config_index(conf)];
- XVisualInfo *vinfo = glXGetVisualFromFBConfig(GLX_dpy->dpy, fbconfig);
+ XVisualInfo *vinfo;
+
+ vinfo = GLX_drv->glXGetVisualFromFBConfig(GLX_dpy->dpy, fbconfig);
if (vinfo) {
- GLX_surf->glx_drawable =
- glXCreateGLXPixmap(GLX_dpy->dpy, vinfo, GLX_surf->drawable);
+ GLX_surf->glx_drawable = GLX_drv->glXCreateGLXPixmap(GLX_dpy->dpy,
+ vinfo, GLX_surf->drawable);
XFree(vinfo);
}
}
else {
- GLX_surf->glx_drawable =
- glXCreateGLXPixmap(GLX_dpy->dpy,
- &GLX_dpy->visuals[GLX_egl_config_index(conf)],
- GLX_surf->drawable);
+ GLX_surf->glx_drawable = GLX_drv->glXCreateGLXPixmap(GLX_dpy->dpy,
+ &GLX_dpy->visuals[GLX_egl_config_index(conf)],
+ GLX_surf->drawable);
}
if (!GLX_surf->glx_drawable) {
@@ -843,7 +897,7 @@ GLX_eglCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *disp,
}
GLX_surf->destroy = (GLX_dpy->have_1_3) ?
- glXDestroyPixmap : glXDestroyGLXPixmap;
+ GLX_drv->glXDestroyPixmap : GLX_drv->glXDestroyGLXPixmap;
get_drawable_size(GLX_dpy->dpy, pixmap, &width, &height);
GLX_surf->Base.Width = width;
@@ -856,13 +910,12 @@ static _EGLSurface *
GLX_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *disp,
_EGLConfig *conf, const EGLint *attrib_list)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp);
struct GLX_egl_surface *GLX_surf;
int attribs[5];
int i;
- (void) drv;
-
GLX_surf = CALLOC_STRUCT(GLX_egl_surface);
if (!GLX_surf) {
_eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface");
@@ -892,14 +945,11 @@ GLX_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *disp,
}
attribs[i] = None;
- GLX_surf->glx_drawable =
- glXCreatePbuffer(GLX_dpy->dpy,
- GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
- attribs);
+ GLX_surf->glx_drawable = GLX_drv->glXCreatePbuffer(GLX_dpy->dpy,
+ GLX_dpy->fbconfigs[GLX_egl_config_index(conf)], attribs);
}
else if (GLX_dpy->have_pbuffer) {
- GLX_surf->glx_drawable = GLX_dpy->glXCreateGLXPbufferSGIX(
- GLX_dpy->dpy,
+ GLX_surf->glx_drawable = GLX_drv->glXCreateGLXPbufferSGIX(GLX_dpy->dpy,
GLX_dpy->fbconfigs[GLX_egl_config_index(conf)],
GLX_surf->Base.Width,
GLX_surf->Base.Height,
@@ -912,7 +962,7 @@ GLX_eglCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *disp,
}
GLX_surf->destroy = (GLX_dpy->have_1_3) ?
- glXDestroyPbuffer : GLX_dpy->glXDestroyGLXPbufferSGIX;
+ GLX_drv->glXDestroyPbuffer : GLX_drv->glXDestroyGLXPbufferSGIX;
return &GLX_surf->Base;
}
@@ -933,12 +983,11 @@ GLX_eglDestroySurface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
static EGLBoolean
GLX_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
struct GLX_egl_display *GLX_dpy = GLX_egl_display(disp);
struct GLX_egl_surface *GLX_surf = GLX_egl_surface(draw);
- (void) drv;
-
- glXSwapBuffers(GLX_dpy->dpy, GLX_surf->glx_drawable);
+ GLX_drv->glXSwapBuffers(GLX_dpy->dpy, GLX_surf->glx_drawable);
return EGL_TRUE;
}
@@ -949,31 +998,33 @@ GLX_eglSwapBuffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
static _EGLProc
GLX_eglGetProcAddress(_EGLDriver *drv, const char *procname)
{
- (void) drv;
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
- return (_EGLProc) glXGetProcAddress((const GLubyte *) procname);
+ return (_EGLProc) GLX_drv->glXGetProcAddress((const GLubyte *) procname);
}
static EGLBoolean
GLX_eglWaitClient(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx)
{
- (void) drv;
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
+
(void) dpy;
(void) ctx;
- glXWaitGL();
+ GLX_drv->glXWaitGL();
return EGL_TRUE;
}
static EGLBoolean
GLX_eglWaitNative(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine)
{
- (void) drv;
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
+
(void) dpy;
if (engine != EGL_CORE_NATIVE_ENGINE)
return _eglError(EGL_BAD_PARAMETER, "eglWaitNative");
- glXWaitX();
+ GLX_drv->glXWaitX();
return EGL_TRUE;
}
@@ -981,10 +1032,84 @@ static void
GLX_Unload(_EGLDriver *drv)
{
struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
+
+ if (GLX_drv->handle)
+ dlclose(GLX_drv->handle);
free(GLX_drv);
}
+static EGLBoolean
+GLX_Load(_EGLDriver *drv)
+{
+ struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
+ void *handle;
+
+ handle = dlopen("libGL.so", RTLD_LAZY | RTLD_LOCAL);
+ if (!handle)
+ goto fail;
+
+ GLX_drv->glXGetProcAddress = dlsym(handle, "glXGetProcAddress");
+ if (!GLX_drv->glXGetProcAddress)
+ GLX_drv->glXGetProcAddress = dlsym(handle, "glXGetProcAddressARB");
+ if (!GLX_drv->glXGetProcAddress)
+ goto fail;
+
+#define GET_PROC(proc_type, proc_name, check) \
+ do { \
+ GLX_drv->proc_name = (proc_type) \
+ GLX_drv->glXGetProcAddress((const GLubyte *) #proc_name); \
+ if (check && !GLX_drv->proc_name) goto fail; \
+ } while (0)
+
+ /* GLX 1.0 */
+ GET_PROC(GLXCREATECONTEXTPROC, glXCreateContext, EGL_TRUE);
+ GET_PROC(GLXDESTROYCONTEXTPROC, glXDestroyContext, EGL_TRUE);
+ GET_PROC(GLXMAKECURRENTPROC, glXMakeCurrent, EGL_TRUE);
+ GET_PROC(GLXSWAPBUFFERSPROC, glXSwapBuffers, EGL_TRUE);
+ GET_PROC(GLXCREATEGLXPIXMAPPROC, glXCreateGLXPixmap, EGL_TRUE);
+ GET_PROC(GLXDESTROYGLXPIXMAPPROC, glXDestroyGLXPixmap, EGL_TRUE);
+ GET_PROC(GLXQUERYVERSIONPROC, glXQueryVersion, EGL_TRUE);
+ GET_PROC(GLXGETCONFIGPROC, glXGetConfig, EGL_TRUE);
+ GET_PROC(GLXWAITGLPROC, glXWaitGL, EGL_TRUE);
+ GET_PROC(GLXWAITXPROC, glXWaitX, EGL_TRUE);
+
+ /* GLX 1.1 */
+ GET_PROC(GLXQUERYEXTENSIONSSTRINGPROC, glXQueryExtensionsString, EGL_TRUE);
+ GET_PROC(GLXQUERYSERVERSTRINGPROC, glXQueryServerString, EGL_TRUE);
+ GET_PROC(GLXGETCLIENTSTRINGPROC, glXGetClientString, EGL_TRUE);
+
+ /* GLX 1.3 */
+ GET_PROC(PFNGLXGETFBCONFIGSPROC, glXGetFBConfigs, EGL_FALSE);
+ GET_PROC(PFNGLXGETFBCONFIGATTRIBPROC, glXGetFBConfigAttrib, EGL_FALSE);
+ GET_PROC(PFNGLXGETVISUALFROMFBCONFIGPROC, glXGetVisualFromFBConfig, EGL_FALSE);
+ GET_PROC(PFNGLXCREATEWINDOWPROC, glXCreateWindow, EGL_FALSE);
+ GET_PROC(PFNGLXDESTROYWINDOWPROC, glXDestroyWindow, EGL_FALSE);
+ GET_PROC(PFNGLXCREATEPIXMAPPROC, glXCreatePixmap, EGL_FALSE);
+ GET_PROC(PFNGLXDESTROYPIXMAPPROC, glXDestroyPixmap, EGL_FALSE);
+ GET_PROC(PFNGLXCREATEPBUFFERPROC, glXCreatePbuffer, EGL_FALSE);
+ GET_PROC(PFNGLXDESTROYPBUFFERPROC, glXDestroyPbuffer, EGL_FALSE);
+ GET_PROC(PFNGLXCREATENEWCONTEXTPROC, glXCreateNewContext, EGL_FALSE);
+ GET_PROC(PFNGLXMAKECONTEXTCURRENTPROC, glXMakeContextCurrent, EGL_FALSE);
+
+ /* GLX_SGIX_pbuffer */
+ GET_PROC(PFNGLXCREATEGLXPBUFFERSGIXPROC,
+ glXCreateGLXPbufferSGIX, EGL_FALSE);
+ GET_PROC(PFNGLXDESTROYGLXPBUFFERSGIXPROC,
+ glXDestroyGLXPbufferSGIX, EGL_FALSE);
+#undef GET_PROC
+
+ GLX_drv->handle = handle;
+
+ return EGL_TRUE;
+
+fail:
+ if (handle)
+ dlclose(handle);
+ return EGL_FALSE;
+}
+
+
/**
* This is the main entrypoint into the driver, called by libEGL.
* Create a new _EGLDriver object and init its dispatch table.
@@ -999,6 +1124,12 @@ _eglMain(const char *args)
if (!GLX_drv)
return NULL;
+ if (!GLX_Load(&GLX_drv->Base)) {
+ _eglLog(_EGL_WARNING, "GLX: failed to load GLX");
+ free(GLX_drv);
+ return NULL;
+ }
+
_eglInitDriverFallbacks(&GLX_drv->Base);
GLX_drv->Base.API.Initialize = GLX_eglInitialize;
GLX_drv->Base.API.Terminate = GLX_eglTerminate;