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Diffstat (limited to 'src/egl/main/eglapi.c')
| -rw-r--r-- | src/egl/main/eglapi.c | 586 |
1 files changed, 586 insertions, 0 deletions
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c new file mode 100644 index 0000000000..bfa580e6c3 --- /dev/null +++ b/src/egl/main/eglapi.c @@ -0,0 +1,586 @@ +/** + * Public EGL API entrypoints + * + * Generally, we use the EGLDisplay parameter as a key to lookup the + * appropriate device driver handle, then jump though the driver's + * dispatch table to handle the function. + * + * That allows us the option of supporting multiple, simultaneous, + * heterogeneous hardware devices in the future. + * + * The EGLDisplay, EGLConfig, EGLContext and EGLSurface types are + * opaque handles implemented with 32-bit unsigned integers. + * It's up to the driver function or fallback function to look up the + * handle and get an object. + * By using opaque handles, we leave open the possibility of having + * indirect rendering in the future, like GLX. + * + * + * Notes on naming conventions: + * + * eglFooBar - public EGL function + * EGL_FOO_BAR - public EGL token + * EGLDatatype - public EGL datatype + * + * _eglFooBar - private EGL function + * _EGLDatatype - private EGL datatype, typedef'd struct + * _egl_struct - private EGL struct, non-typedef'd + * + */ + + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "eglcontext.h" +#include "egldisplay.h" +#include "egltypedefs.h" +#include "eglglobals.h" +#include "egldriver.h" +#include "eglsurface.h" + + + +/** + * NOTE: displayName is treated as a string in _eglChooseDriver()!!! + * This will probably change! + * See _eglChooseDriver() for details! + */ +EGLDisplay APIENTRY +eglGetDisplay(NativeDisplayType displayName) +{ + _EGLDisplay *dpy; + _eglInitGlobals(); + dpy = _eglNewDisplay(displayName); + if (dpy) + return dpy->Handle; + else + return EGL_NO_DISPLAY; +} + + +EGLBoolean APIENTRY +eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) +{ + if (dpy) { + _EGLDriver *drv = _eglChooseDriver(dpy); + if (drv) + return drv->API.Initialize(drv, dpy, major, minor); + } + return EGL_FALSE; +} + + +EGLBoolean APIENTRY +eglTerminate(EGLDisplay dpy) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return _eglCloseDriver(drv, dpy); + else + return EGL_FALSE; +} + + +const char * APIENTRY +eglQueryString(EGLDisplay dpy, EGLint name) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return drv->API.QueryString(drv, dpy, name); + else + return NULL; +} + + +EGLBoolean APIENTRY +eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + /* XXX check drv for null in remaining functions */ + return drv->API.GetConfigs(drv, dpy, configs, config_size, num_config); +} + + +EGLBoolean APIENTRY +eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.ChooseConfig(drv, dpy, attrib_list, configs, config_size, num_config); +} + + +EGLBoolean APIENTRY +eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.GetConfigAttrib(drv, dpy, config, attribute, value); +} + + +EGLContext APIENTRY +eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CreateContext(drv, dpy, config, share_list, attrib_list); +} + + +EGLBoolean APIENTRY +eglDestroyContext(EGLDisplay dpy, EGLContext ctx) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.DestroyContext(drv, dpy, ctx); +} + + +EGLBoolean APIENTRY +eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.MakeCurrent(drv, dpy, draw, read, ctx); +} + + +EGLBoolean APIENTRY +eglQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.QueryContext(drv, dpy, ctx, attribute, value); +} + + +EGLSurface APIENTRY +eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CreateWindowSurface(drv, dpy, config, window, attrib_list); +} + + +EGLSurface APIENTRY +eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CreatePixmapSurface(drv, dpy, config, pixmap, attrib_list); +} + + +EGLSurface APIENTRY +eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CreatePbufferSurface(drv, dpy, config, attrib_list); +} + + +EGLBoolean APIENTRY +eglDestroySurface(EGLDisplay dpy, EGLSurface surface) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.DestroySurface(drv, dpy, surface); +} + + +EGLBoolean APIENTRY +eglQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.QuerySurface(drv, dpy, surface, attribute, value); +} + + +EGLBoolean APIENTRY +eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.SurfaceAttrib(drv, dpy, surface, attribute, value); +} + + +EGLBoolean APIENTRY +eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.BindTexImage(drv, dpy, surface, buffer); +} + + +EGLBoolean APIENTRY +eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.ReleaseTexImage(drv, dpy, surface, buffer); +} + + +EGLBoolean APIENTRY +eglSwapInterval(EGLDisplay dpy, EGLint interval) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.SwapInterval(drv, dpy, interval); +} + + +EGLBoolean APIENTRY +eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.SwapBuffers(drv, dpy, draw); +} + + +EGLBoolean APIENTRY +eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, NativePixmapType target) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CopyBuffers(drv, dpy, surface, target); +} + + +EGLBoolean APIENTRY +eglWaitGL(void) +{ + EGLDisplay dpy = eglGetCurrentDisplay(); + if (dpy != EGL_NO_DISPLAY) { + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.WaitGL(drv, dpy); + } + else + return EGL_FALSE; +} + + +EGLBoolean APIENTRY +eglWaitNative(EGLint engine) +{ + EGLDisplay dpy = eglGetCurrentDisplay(); + if (dpy != EGL_NO_DISPLAY) { + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.WaitNative(drv, dpy, engine); + } + else + return EGL_FALSE; +} + + +EGLDisplay APIENTRY +eglGetCurrentDisplay(void) +{ + _EGLDisplay *dpy = _eglGetCurrentDisplay(); + if (dpy) + return dpy->Handle; + else + return EGL_NO_DISPLAY; +} + + +EGLContext APIENTRY +eglGetCurrentContext(void) +{ + _EGLContext *ctx = _eglGetCurrentContext(); + if (ctx) + return ctx->Handle; + else + return EGL_NO_CONTEXT; +} + + +EGLSurface APIENTRY +eglGetCurrentSurface(EGLint readdraw) +{ + _EGLSurface *s = _eglGetCurrentSurface(readdraw); + if (s) + return s->Handle; + else + return EGL_NO_SURFACE; +} + + +EGLint APIENTRY +eglGetError(void) +{ + _EGLThreadInfo *t = _eglGetCurrentThread(); + EGLint e = t->LastError; + t->LastError = EGL_SUCCESS; + return e; +} + + +void (* APIENTRY eglGetProcAddress(const char *procname))() +{ + typedef void (*genericFunc)(); + struct name_function { + const char *name; + _EGLProc function; + }; + static struct name_function egl_functions[] = { + /* alphabetical order */ + { "eglBindTexImage", (_EGLProc) eglBindTexImage }, + { "eglChooseConfig", (_EGLProc) eglChooseConfig }, + { "eglCopyBuffers", (_EGLProc) eglCopyBuffers }, + { "eglCreateContext", (_EGLProc) eglCreateContext }, + { "eglCreatePbufferSurface", (_EGLProc) eglCreatePbufferSurface }, + { "eglCreatePixmapSurface", (_EGLProc) eglCreatePixmapSurface }, + { "eglCreateWindowSurface", (_EGLProc) eglCreateWindowSurface }, + { "eglDestroyContext", (_EGLProc) eglDestroyContext }, + { "eglDestroySurface", (_EGLProc) eglDestroySurface }, + { "eglGetConfigAttrib", (_EGLProc) eglGetConfigAttrib }, + { "eglGetConfigs", (_EGLProc) eglGetConfigs }, + { "eglGetCurrentContext", (_EGLProc) eglGetCurrentContext }, + { "eglGetCurrentDisplay", (_EGLProc) eglGetCurrentDisplay }, + { "eglGetCurrentSurface", (_EGLProc) eglGetCurrentSurface }, + { "eglGetDisplay", (_EGLProc) eglGetDisplay }, + { "eglGetError", (_EGLProc) eglGetError }, + { "eglGetProcAddress", (_EGLProc) eglGetProcAddress }, + { "eglInitialize", (_EGLProc) eglInitialize }, + { "eglMakeCurrent", (_EGLProc) eglMakeCurrent }, + { "eglQueryContext", (_EGLProc) eglQueryContext }, + { "eglQueryString", (_EGLProc) eglQueryString }, + { "eglQuerySurface", (_EGLProc) eglQuerySurface }, + { "eglReleaseTexImage", (_EGLProc) eglReleaseTexImage }, + { "eglSurfaceAttrib", (_EGLProc) eglSurfaceAttrib }, + { "eglSwapBuffers", (_EGLProc) eglSwapBuffers }, + { "eglSwapInterval", (_EGLProc) eglSwapInterval }, + { "eglTerminate", (_EGLProc) eglTerminate }, + { "eglWaitGL", (_EGLProc) eglWaitGL }, + { "eglWaitNative", (_EGLProc) eglWaitNative }, + /* Extensions */ +#ifdef EGL_MESA_screen_surface + { "eglChooseModeMESA", (_EGLProc) eglChooseModeMESA }, + { "eglGetModesMESA", (_EGLProc) eglGetModesMESA }, + { "eglGetModeAttribMESA", (_EGLProc) eglGetModeAttribMESA }, + { "eglCopyContextMESA", (_EGLProc) eglCopyContextMESA }, + { "eglGetScreensMESA", (_EGLProc) eglGetScreensMESA }, + { "eglCreateScreenSurfaceMESA", (_EGLProc) eglCreateScreenSurfaceMESA }, + { "eglShowScreenSurfaceMESA", (_EGLProc) eglShowScreenSurfaceMESA }, + { "eglScreenPositionMESA", (_EGLProc) eglScreenPositionMESA }, + { "eglQueryScreenMESA", (_EGLProc) eglQueryScreenMESA }, + { "eglQueryScreenSurfaceMESA", (_EGLProc) eglQueryScreenSurfaceMESA }, + { "eglQueryScreenModeMESA", (_EGLProc) eglQueryScreenModeMESA }, + { "eglQueryModeStringMESA", (_EGLProc) eglQueryModeStringMESA }, +#endif /* EGL_MESA_screen_surface */ +#ifdef EGL_VERSION_1_2 + { "eglBindAPI", (_EGLProc) eglBindAPI }, + { "eglCreatePbufferFromClientBuffer", (_EGLProc) eglCreatePbufferFromClientBuffer }, + { "eglQueryAPI", (_EGLProc) eglQueryAPI }, + { "eglReleaseThread", (_EGLProc) eglReleaseThread }, + { "eglWaitClient", (_EGLProc) eglWaitClient }, +#endif /* EGL_VERSION_1_2 */ + { NULL, NULL } + }; + EGLint i; + for (i = 0; egl_functions[i].name; i++) { + if (strcmp(egl_functions[i].name, procname) == 0) { + return (genericFunc) egl_functions[i].function; + } + } +#if 0 + /* XXX enable this code someday */ + return (genericFunc) _glapi_get_proc_address(procname); +#else + return NULL; +#endif +} + + +/* + * EGL_MESA_screen extension + */ + +EGLBoolean APIENTRY +eglChooseModeMESA(EGLDisplay dpy, EGLScreenMESA screen, + const EGLint *attrib_list, EGLModeMESA *modes, + EGLint modes_size, EGLint *num_modes) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return drv->API.ChooseModeMESA(drv, dpy, screen, attrib_list, modes, modes_size, num_modes); + else + return EGL_FALSE; +} + + +EGLBoolean APIENTRY +eglGetModesMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *modes, EGLint mode_size, EGLint *num_mode) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return drv->API.GetModesMESA(drv, dpy, screen, modes, mode_size, num_mode); + else + return EGL_FALSE; +} + + +EGLBoolean APIENTRY +eglGetModeAttribMESA(EGLDisplay dpy, EGLModeMESA mode, EGLint attribute, EGLint *value) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return drv->API.GetModeAttribMESA(drv, dpy, mode, attribute, value); + else + return EGL_FALSE; +} + + +EGLBoolean APIENTRY +eglCopyContextMESA(EGLDisplay dpy, EGLContext source, EGLContext dest, EGLint mask) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return drv->API.CopyContextMESA(drv, dpy, source, dest, mask); + else + return EGL_FALSE; +} + + +EGLBoolean +eglGetScreensMESA(EGLDisplay dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + if (drv) + return drv->API.GetScreensMESA(drv, dpy, screens, max_screens, num_screens); + else + return EGL_FALSE; +} + + +EGLSurface +eglCreateScreenSurfaceMESA(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CreateScreenSurfaceMESA(drv, dpy, config, attrib_list); +} + + +EGLBoolean +eglShowScreenSurfaceMESA(EGLDisplay dpy, EGLint screen, EGLSurface surface, EGLModeMESA mode) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.ShowScreenSurfaceMESA(drv, dpy, screen, surface, mode); +} + + +EGLBoolean +eglScreenPositionMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLint x, EGLint y) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.ScreenPositionMESA(drv, dpy, screen, x, y); +} + + +EGLBoolean +eglQueryScreenMESA( EGLDisplay dpy, EGLScreenMESA screen, EGLint attribute, EGLint *value) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.QueryScreenMESA(drv, dpy, screen, attribute, value); +} + + +EGLBoolean +eglQueryScreenSurfaceMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLSurface *surface) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.QueryScreenSurfaceMESA(drv, dpy, screen, surface); +} + + +EGLBoolean +eglQueryScreenModeMESA(EGLDisplay dpy, EGLScreenMESA screen, EGLModeMESA *mode) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.QueryScreenModeMESA(drv, dpy, screen, mode); +} + + +const char * +eglQueryModeStringMESA(EGLDisplay dpy, EGLModeMESA mode) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.QueryModeStringMESA(drv, dpy, mode); +} + + +/** + ** EGL 1.2 + **/ + +#ifdef EGL_VERSION_1_2 + +EGLBoolean +eglBindAPI(EGLenum api) +{ + _EGLThreadInfo *t = _eglGetCurrentThread(); + + switch (api) { + case EGL_OPENGL_ES_API: + if (_eglGlobal.OpenGLESAPISupported) { + t->CurrentAPI = api; + return EGL_TRUE; + } + _eglError(EGL_BAD_PARAMETER, "eglBindAPI"); + return EGL_FALSE; + case EGL_OPENVG_API: + if (_eglGlobal.OpenVGAPISupported) { + t->CurrentAPI = api; + return EGL_TRUE; + } + _eglError(EGL_BAD_PARAMETER, "eglBindAPI"); + return EGL_FALSE; + default: + return EGL_FALSE; + } + return EGL_TRUE; +} + + +EGLSurface +eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, + EGLClientBuffer buffer, EGLConfig config, + const EGLint *attrib_list) +{ + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.CreatePbufferFromClientBuffer(drv, dpy, buftype, buffer, + config, attrib_list); +} + + +EGLenum +eglQueryAPI(void) +{ + /* returns one of EGL_OPENGL_ES_API or EGL_OPENVG_API */ + _EGLThreadInfo *t = _eglGetCurrentThread(); + return t->CurrentAPI; +} + + +EGLBoolean +eglReleaseThread(void) +{ + _EGLThreadInfo *t = _eglGetCurrentThread(); + EGLDisplay dpy = eglGetCurrentDisplay(); + if (dpy) { + _EGLDriver *drv = _eglLookupDriver(dpy); + /* unbind context */ + (void) drv->API.MakeCurrent(drv, dpy, EGL_NO_SURFACE, + EGL_NO_SURFACE, EGL_NO_CONTEXT); + } + _eglDeleteThreadData(t); + return EGL_TRUE; +} + + +EGLBoolean +eglWaitClient(void) +{ + EGLDisplay dpy = eglGetCurrentDisplay(); + if (dpy != EGL_NO_DISPLAY) { + _EGLDriver *drv = _eglLookupDriver(dpy); + return drv->API.WaitClient(drv, dpy); + } + else + return EGL_FALSE; +} + +#endif /* EGL_VERSION_1_2 */ |