diff options
Diffstat (limited to 'src/egl/main/egldriver.c')
-rw-r--r-- | src/egl/main/egldriver.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c deleted file mode 100644 index bda06dd827d..00000000000 --- a/src/egl/main/egldriver.c +++ /dev/null @@ -1,272 +0,0 @@ -#include <assert.h> -#include <dlfcn.h> -#include <stdio.h> -#include <string.h> -#include "eglconfig.h" -#include "eglcontext.h" -#include "egldisplay.h" -#include "egldriver.h" -#include "eglglobals.h" -#include "egllog.h" -#include "eglmode.h" -#include "eglscreen.h" -#include "eglsurface.h" - - -const char *DefaultDriverName = "demodriver"; - - -/** - * Choose and open/init the hardware driver for the given EGLDisplay. - * Previously, the EGLDisplay was created with _eglNewDisplay() where - * we recorded the user's NativeDisplayType parameter. - * - * Now we'll use the NativeDisplayType value. - * - * Currently, the native display value is treated as a string. - * If the first character is ':' we interpret it as a screen or card index - * number (i.e. ":0" or ":1", etc) - * Else if the first character is '!' we interpret it as specific driver name - * (i.e. "!r200" or "!i830". - */ -_EGLDriver * -_eglChooseDriver(EGLDisplay display) -{ - _EGLDisplay *dpy = _eglLookupDisplay(display); - _EGLDriver *drv; - const char *driverName = DefaultDriverName; - const char *name; - - assert(dpy); - - name = dpy->Name; - if (!name) { - /* use default */ - } - else if (name[0] == ':' && (name[1] >= '0' && name[1] <= '9') && !name[2]) { - /* XXX probe hardware here to determine which driver to open */ - driverName = "libEGLdri"; - } - else if (name[0] == '!') { - /* use specified driver name */ - driverName = name + 1; - } - else { - /* Maybe display was returned by XOpenDisplay? */ - _eglLog(_EGL_FATAL, "eglChooseDriver() bad name"); - } - - _eglLog(_EGL_INFO, "eglChooseDriver() choosing %s", driverName); - - drv = _eglOpenDriver(dpy, driverName); - dpy->Driver = drv; - - return drv; -} - - -/** - * Open/load the named driver and call its bootstrap function: _eglMain(). - * \return new _EGLDriver object. - */ -_EGLDriver * -_eglOpenDriver(_EGLDisplay *dpy, const char *driverName) -{ - _EGLDriver *drv; - _EGLMain_t mainFunc; - void *lib; - char driverFilename[1000]; - - /* XXX also prepend a directory path??? */ - sprintf(driverFilename, "%s.so", driverName); - - _eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename); - lib = dlopen(driverFilename, RTLD_NOW); - if (!lib) { - _eglLog(_EGL_WARNING, "Could not open %s (%s)", - driverFilename, dlerror()); - return NULL; - } - - mainFunc = (_EGLMain_t) dlsym(lib, "_eglMain"); - if (!mainFunc) { - _eglLog(_EGL_WARNING, "_eglMain not found in %s", driverFilename); - dlclose(lib); - return NULL; - } - - drv = mainFunc(dpy); - if (!drv) { - dlclose(lib); - return NULL; - } - /* with a recurvise open you want the inner most handle */ - if (!drv->LibHandle) - drv->LibHandle = lib; - else - dlclose(lib); - - drv->Display = dpy; - return drv; -} - - -EGLBoolean -_eglCloseDriver(_EGLDriver *drv, EGLDisplay dpy) -{ - void *handle = drv->LibHandle; - EGLBoolean b; - - _eglLog(_EGL_INFO, "Closing driver"); - - /* - * XXX check for currently bound context/surfaces and delete them? - */ - - b = drv->API.Terminate(drv, dpy); - dlclose(handle); - return b; -} - - -/** - * Given a display handle, return the _EGLDriver for that display. - */ -_EGLDriver * -_eglLookupDriver(EGLDisplay dpy) -{ - _EGLDisplay *d = _eglLookupDisplay(dpy); - if (d) - return d->Driver; - else - return NULL; -} - - -/** - * Plug all the available fallback routines into the given driver's - * dispatch table. - */ -void -_eglInitDriverFallbacks(_EGLDriver *drv) -{ - /* If a pointer is set to NULL, then the device driver _really_ has - * to implement it. - */ - drv->API.Initialize = NULL; - drv->API.Terminate = NULL; - - drv->API.GetConfigs = _eglGetConfigs; - drv->API.ChooseConfig = _eglChooseConfig; - drv->API.GetConfigAttrib = _eglGetConfigAttrib; - - drv->API.CreateContext = _eglCreateContext; - drv->API.DestroyContext = _eglDestroyContext; - drv->API.MakeCurrent = _eglMakeCurrent; - drv->API.QueryContext = _eglQueryContext; - - drv->API.CreateWindowSurface = _eglCreateWindowSurface; - drv->API.CreatePixmapSurface = _eglCreatePixmapSurface; - drv->API.CreatePbufferSurface = _eglCreatePbufferSurface; - drv->API.DestroySurface = _eglDestroySurface; - drv->API.QuerySurface = _eglQuerySurface; - drv->API.SurfaceAttrib = _eglSurfaceAttrib; - drv->API.BindTexImage = _eglBindTexImage; - drv->API.ReleaseTexImage = _eglReleaseTexImage; - drv->API.SwapInterval = _eglSwapInterval; - drv->API.SwapBuffers = _eglSwapBuffers; - drv->API.CopyBuffers = _eglCopyBuffers; - - drv->API.QueryString = _eglQueryString; - drv->API.WaitGL = _eglWaitGL; - drv->API.WaitNative = _eglWaitNative; - -#ifdef EGL_MESA_screen_surface - drv->API.ChooseModeMESA = _eglChooseModeMESA; - drv->API.GetModesMESA = _eglGetModesMESA; - drv->API.GetModeAttribMESA = _eglGetModeAttribMESA; - drv->API.GetScreensMESA = _eglGetScreensMESA; - drv->API.CreateScreenSurfaceMESA = _eglCreateScreenSurfaceMESA; - drv->API.ShowScreenSurfaceMESA = _eglShowScreenSurfaceMESA; - drv->API.ScreenPositionMESA = _eglScreenPositionMESA; - drv->API.QueryScreenMESA = _eglQueryScreenMESA; - drv->API.QueryScreenSurfaceMESA = _eglQueryScreenSurfaceMESA; - drv->API.QueryScreenModeMESA = _eglQueryScreenModeMESA; - drv->API.QueryModeStringMESA = _eglQueryModeStringMESA; -#endif /* EGL_MESA_screen_surface */ - -#ifdef EGL_VERSION_1_2 - drv->API.CreatePbufferFromClientBuffer = _eglCreatePbufferFromClientBuffer; -#endif /* EGL_VERSION_1_2 */ -} - - -/** - * Examine the individual extension enable/disable flags and recompute - * the driver's Extensions string. - */ -static void -_eglUpdateExtensionsString(_EGLDriver *drv) -{ - drv->Extensions.String[0] = 0; - - if (drv->Extensions.MESA_screen_surface) - strcat(drv->Extensions.String, "EGL_MESA_screen_surface "); - if (drv->Extensions.MESA_copy_context) - strcat(drv->Extensions.String, "EGL_MESA_copy_context "); - assert(strlen(drv->Extensions.String) < MAX_EXTENSIONS_LEN); -} - - - -const char * -_eglQueryString(_EGLDriver *drv, EGLDisplay dpy, EGLint name) -{ - (void) drv; - (void) dpy; - switch (name) { - case EGL_VENDOR: - return "Mesa Project"; - case EGL_VERSION: - return "1.0"; - case EGL_EXTENSIONS: - _eglUpdateExtensionsString(drv); - return drv->Extensions.String; -#ifdef EGL_VERSION_1_2 - case EGL_CLIENT_APIS: - /* XXX need to initialize somewhere */ - return drv->ClientAPIs; -#endif - default: - _eglError(EGL_BAD_PARAMETER, "eglQueryString"); - return NULL; - } -} - - -EGLBoolean -_eglWaitGL(_EGLDriver *drv, EGLDisplay dpy) -{ - /* just a placeholder */ - (void) drv; - (void) dpy; - return EGL_TRUE; -} - - -EGLBoolean -_eglWaitNative(_EGLDriver *drv, EGLDisplay dpy, EGLint engine) -{ - /* just a placeholder */ - (void) drv; - (void) dpy; - switch (engine) { - case EGL_CORE_NATIVE_ENGINE: - break; - default: - _eglError(EGL_BAD_PARAMETER, "eglWaitNative(engine)"); - return EGL_FALSE; - } - - return EGL_TRUE; -} |