#include <fcntl.h>
#include <sys/stat.h>
-#define GGI_SYMNAME_PREFIX "MesaGGIdl_"
#ifdef HAVE_SYS_VT_H
#include <sys/vt.h>
#define NUM_ACCELS (sizeof(accel_strings)/sizeof(accel_info))
-/* FIXME: These should really be defined in the make system */
-#define CONF_FILE "/usr/local/etc/ggi/mesa/targets/fbdev.conf"
-void *_configHandle;
-char confstub[512] = CONF_FILE;
-char *conffile = confstub;
-
-static int changed(ggi_visual_t vis, int whatchanged)
-{
- switch (whatchanged) {
- case GGI_CHG_APILIST: {
- char api[GGI_API_MAXLEN], args[GGI_API_MAXLEN];
- int i;
- const char *fname;
- ggi_dlhandle *lib;
-
- for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++) {
- strcat(api, "-mesa");
- fname = ggMatchConfig(_configHandle, api, NULL);
- if (fname == NULL) {
- /* No special implementation for this sublib */
- continue;
- }
-
- lib = ggiExtensionLoadDL(vis, fname, args, NULL, GGI_SYMNAME_PREFIX);
- }
- }
- break;
- }
- return 0;
-}
static int GGIopen(ggi_visual *vis, struct ggi_dlhandle *dlh,
const char *args, void *argptr, uint32 *dlret)
{
- struct fbdev_priv_mesa *priv;
int err;
+ struct fbdev_priv_mesa *priv;
ggifunc_getapi *oldgetapi;
+
+ priv->oldpriv = LIBGGI_PRIVATE(vis); /* Hook back */
+
GGIMESA_PRIV(vis) = priv = malloc(sizeof(struct fbdev_priv_mesa));
if (priv == NULL) {
- fprintf(stderr, "Failed to allocate fbdev private data\n");
+ fprintf(stderr, "GGIMesa: Failed to allocate fbdev private data\n");
return GGI_ENOMEM;
}
- priv->oldpriv = LIBGGI_PRIVATE(vis); /* Hook back */
-
- err = ggLoadConfig(conffile, &_configHandle);
- if (err != GGI_OK) {
- GGIMESADPRINT_CORE("display-fbdev: Couldn't open %s\n", conffile);
- return err;
- }
-
- LIBGGI_MESAEXT(vis)->update_state = NULL;
- LIBGGI_MESAEXT(vis)->setup_driver = NULL;
-
oldgetapi = vis->opdisplay->getapi;
vis->opdisplay->getapi = GGIMesa_fbdev_getapi;
changed(vis, GGI_CHG_APILIST);
+
/* If the accel sublibs didn't sucessfuly hook a driver,
* back up and keep looking */
if ((LIBGGI_MESAEXT(vis)->update_state == NULL) ||
static int GGIclose(ggi_visual *vis, struct ggi_dlhandle *dlh)
{
+ struct fbdev_priv_mesa *priv = GGIMESA_PRIV(vis);
+
+ if (priv) {
+ LIBGGI_PRIVATE(vis) = priv->oldpriv;
+ free(priv);
+ }
+
return 0;
}
#include "texformat.h"
#include "texstore.h"
-ggi_extid ggiMesaID = -1;
+/* We use LibGG to manage config files */
+#include <ggi/gg.h>
+
+
+/* XXX: Those #defines should be provided via
+ * config.h
+ */
+#define GGIMESAPATHTAG "pAtHTAg"
+#define GGIMESACONFDIR "pAtHTAg/usr/local/etc/ggi"
+#define GGIMESATAGLEN 7
+#define GGIMESACONFFILE "ggimesa.conf"
+
+
+/* Static variables
+ */
static int _ggimesaLibIsUp = 0;
static void *_ggimesaConfigHandle;
-
-static char ggimesaconffile[] = GGIMESACONFFILE;
+static char _ggimesaconfstub[512] = GGIMESACONFDIR;
+static char *_ggimesaconfdir = _ggimesaconfstub+GGIMESATAGLEN;
int _ggimesaDebugSync = 0;
uint32 _ggimesaDebugState = 0;
-static void gl_ggiUpdateState(GLcontext *ctx, GLuint new_state);
-static int changed(ggi_visual_t vis, int whatchanged);
+/* Extension ID. Defaulting to -1 should make segfault on abuse more likely...
+ */
+ggi_extid _ggiMesaID = -1;
+
+
+#define SUBLIB_PREFIX "MesaGGIdl_"
+
+
+/*
+ * Returns the directory where global config files are kept
+ */
+
+const char *ggiMesaGetConfDir(void)
+{
+#ifdef __WIN32__
+ /* On Win32 we allow overriding of the compiled in path. */
+ const char *envdir = getenv("GGI_CONFDIR");
+ if (envdir) return envdir;
+#endif
+ return _ggimesaconfdir;
+}
+
+
+/* Dummy function which returns -1
+ We use this to reset the function pointers */
static int _ggi_error(void)
{
GGIMESADPRINT_CORE("_ggi_error() called\n");
return -1;
}
+
+static int changed(ggi_visual_t vis, int whatchanged)
+{
+ GLcontext *ctx;
+ ctx = _mesa_get_current_context();
+
+ GGIMESADPRINT_CORE("changed() called\n");
+
+ switch (whatchanged) {
+ case GGI_CHG_APILIST:
+ {
+ char api[GGI_MAX_APILEN];
+ char args[GGI_MAX_APILEN];
+ int i;
+ const char *fname;
+ ggi_dlhandle *lib;
+
+ GLvisual *gl_vis = &(LIBGGI_MESAEXT(vis)->mesa_visual.gl_visual);
+ GLframebuffer *gl_fb = &(LIBGGI_MESAEXT(vis)->mesa_buffer);
+
+ /* Initialize the framebuffer to provide all necessary
+ buffers in software. The target libraries that are loaded
+ next are free to modify this according to their
+ capabilities.
+ */
+ /* FIXME: if the target changes capabilities we'll leak
+ swrast's memory !!! Need to deallocate first */
+ _mesa_initialize_framebuffer(gl_fb, gl_vis,
+ gl_vis->depthBits > 0,
+ gl_vis->stencilBits > 0,
+ gl_vis->accumRedBits > 0,
+ gl_vis->alphaBits > 0);
+
+ for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++) {
+ strcat(api, "-mesa");
+ GGIMESADPRINT_CORE("GGIMesa: looking for"
+ "a sublib named %s\n", api);
+ fname = ggMatchConfig(_ggimesaConfigHandle, api, NULL);
+ if (fname == NULL) {
+ /* No special implementation for this sublib */
+ continue;
+ }
+ lib = ggiExtensionLoadDL(vis, fname, args, NULL,
+ SUBLIB_PREFIX);
+ }
+
+ /* The targets have cleared everything they can do from
+ the framebuffer structure so we provide the rest in sw
+ */
+ _swrast_alloc_buffers(gl_fb);
+
+ break;
+ }
+ }
+ return 0;
+}
+
+
+int ggiMesaInit()
+{
+ int err;
+ char *str;
+ char *conffile;
+
+ GGIMESADPRINT_CORE("ggiMesaInit() called\n");
+
+ _ggimesaLibIsUp++;
+ if (_ggimesaLibIsUp > 1) return 0; /* Initialize only at first call */
+
+ str = getenv("GGIMESA_DEBUGSYNC");
+ if (str != NULL) {
+ _ggimesaDebugSync = 1;
+ }
+
+ str = getenv("GGIMESA_DEBUG");
+ if (str != NULL) {
+ _ggimesaDebugState = atoi(str);
+ GGIMESADPRINT_CORE("%s Debugging=%d\n",
+ _ggimesaDebugSync ? "sync" : "async",
+ _ggimesaDebugState);
+ }
+
+
+ conffile = malloc(strlen(ggiMesaGetConfDir()) + 1
+ + strlen(GGIMESACONFFILE) +1);
+ if (conffile == NULL) {
+ fprintf(stderr, "GGIMesa: unable to allocate memory for config filename.\n");
+ return GGI_ENOMEM;
+ }
+ sprintf(conffile, "%s%c%s",
+ ggiMesaGetConfDir(), '/', GGIMESACONFFILE);
+ err = ggLoadConfig(conffile, &_ggimesaConfigHandle);
+ if (err != GGI_OK) {
+ fprintf(stderr, "GGIMesa: Couldn't open %s\n",
+ conffile);
+ free(conffile);
+ _ggimesaLibIsUp--;
+ return err;
+ }
+ free(conffile);
+
+ _ggiMesaID = ggiExtensionRegister("GGIMesa",
+ sizeof(struct ggi_mesa_ext), changed);
+ if (_ggiMesaID < 0) {
+ fprintf(stderr, "GGIMesa: failed to register as extension\n");
+ _ggimesaLibIsUp--;
+ ggFreeConfig(_ggimesaConfigHandle);
+ return _ggiMesaID;
+ }
+
+ return 0;
+}
+
+int ggiMesaExit(void)
+{
+ int rc;
+
+ GGIMESADPRINT_CORE("ggiMesaExit() called\n");
+
+ if (!_ggimesaLibIsUp) return -1;
+
+ if (_ggimesaLibIsUp > 1) {
+ /* Exit only at last call */
+ _ggimesaLibIsUp--;
+ return 0;
+ }
+
+ rc = ggiExtensionUnregister(_ggiMesaID);
+ ggFreeConfig(_ggimesaConfigHandle);
+
+ _ggimesaLibIsUp = 0;
+
+ return rc;
+}
+
+
+
+
+static void gl_ggiUpdateState(GLcontext *ctx, GLuint new_state);
+
+
static void gl_ggiGetSize(GLframebuffer *fb, GLuint *width, GLuint *height)
{
/* FIXME: this is a hack to work around the new interface */
printf("rgb (%d, %d, %d) db %d, rgb %d ci %d\n",*r,*g,*b,*db,*rgb,*ci);
}
-int ggiMesaInit()
-{
- int err;
- char *str;
-
- GGIMESADPRINT_CORE("ggiMesaInit() called\n");
-
- str = getenv("GGIMESA_DEBUGSYNC");
- if (str != NULL) {
- _ggimesaDebugSync = 1;
- }
-
- str = getenv("GGIMESA_DEBUG");
- if (str != NULL) {
- _ggimesaDebugState = atoi(str);
- GGIMESADPRINT_CORE("%s Debugging=%d\n",
- _ggimesaDebugSync ? "sync" : "async",
- _ggimesaDebugState);
- }
-
- GGIMESADPRINT_CORE("ggiMesaInit()\n");
-
- _ggimesaLibIsUp++;
- if (_ggimesaLibIsUp > 1)
- return 0; /* Initialize only at first call */
-
- err = ggLoadConfig(ggimesaconffile, &_ggimesaConfigHandle);
- if (err != GGI_OK)
- {
- GGIMESADPRINT_CORE("GGIMesa: Couldn't open %s\n",
- ggimesaconffile);
- _ggimesaLibIsUp--;
- return err;
- }
-
- ggiMesaID = ggiExtensionRegister("GGIMesa",
- sizeof(struct ggi_mesa_ext), changed);
-
- if (ggiMesaID < 0)
- {
- GGIMESADPRINT_CORE("GGIMesa: failed to register as extension\n");
- _ggimesaLibIsUp--;
- ggFreeConfig(_ggimesaConfigHandle);
- return ggiMesaID;
- }
-
- return 0;
-}
-
-int ggiMesaExit(void)
-{
- int rc;
-
- GGIMESADPRINT_CORE("ggiMesaExit() called\n");
-
- if (!_ggimesaLibIsUp)
- return -1;
-
- if (_ggimesaLibIsUp > 1)
- {
- /* Exit only at last call */
- _ggimesaLibIsUp--;
- return 0;
- }
-
- rc = ggiExtensionUnregister(ggiMesaID);
- ggFreeConfig(_ggimesaConfigHandle);
-
- _ggimesaLibIsUp = 0;
-
- return rc;
-}
int ggiMesaAttach(ggi_visual_t vis)
{
GGIMESADPRINT_CORE("ggiMesaAttach() called\n");
- rc = ggiExtensionAttach(vis, ggiMesaID);
+ rc = ggiExtensionAttach(vis, _ggiMesaID);
if (rc == 0)
{
int r, g, b, ci;
{
GGIMESADPRINT_CORE("ggiMesaDetach() called\n");
- return ggiExtensionDetach(vis, ggiMesaID);
+ return ggiExtensionDetach(vis, _ggiMesaID);
}
int ggiMesaExtendVisual(ggi_visual_t vis, GLboolean alpha_flag,
LIBGGI_MESAEXT(ggi_ctx->ggi_visual)->update_state(ggi_ctx);
}
-static int changed(ggi_visual_t vis, int whatchanged)
-{
- GLcontext *ctx;
- ctx = _mesa_get_current_context();
-
- GGIMESADPRINT_CORE("changed() called\n");
-
- switch (whatchanged) {
- case GGI_CHG_APILIST:
- {
- char api[GGI_API_MAXLEN];
- char args[GGI_API_MAXLEN];
- int i;
- const char *fname;
- ggi_dlhandle *lib;
- GLvisual *gl_vis=&(LIBGGI_MESAEXT(vis)->mesa_visual.gl_visual);
- GLframebuffer *gl_fb = &(LIBGGI_MESAEXT(vis)->mesa_buffer);
-
- /* Initialize the framebuffer to provide all necessary
- buffers in software. The target libraries that are loaded
- next are free to modify this according to their
- capabilities.
- */
- /* FIXME: if the target changes capabilities we'll leak
- swrast's memory !!! Need to deallocate first */
- _mesa_initialize_framebuffer(gl_fb, gl_vis,
- gl_vis->depthBits > 0,
- gl_vis->stencilBits > 0,
- gl_vis->accumRedBits > 0,
- gl_vis->alphaBits > 0);
-
- for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++)
- {
- strcat(api, "-mesa");
- fname = ggMatchConfig(_ggimesaConfigHandle, api, NULL);
- if (fname == NULL)
- {
- /* No special implementation for this sublib */
- continue;
- }
- lib = ggiExtensionLoadDL(vis, fname, args, NULL,
- GGI_SYMNAME_PREFIX);
- }
-
- /* The targets have cleared everything they can do from
- the framebuffer structure so we provide the rest in sw
- */
- _swrast_alloc_buffers(gl_fb);
-
- break;
- }
- }
- return 0;
-}
-
projects / mesa.git / commitdiff