apple: Initial import of libGL for OSX from AppleSGLX svn repository.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>

1 files changed, 181 insertions, 14 deletions

diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index 8f809dc..4e5243c 100644
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -34,11 +34,17 @@
  */
 
 #include "glxclient.h"
+#ifdef GLX_USE_APPLEGL
+#include "apple_glx_context.h"
+#include "apple_glx.h"
+#include "glx_error.h"
+#else
 #include "glapi.h"
+#endif
 #include "glxextensions.h"
 #include "glcontextmodes.h"
 
-#ifdef GLX_DIRECT_RENDERING
+#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
 #include <sys/time.h>
 #include <X11/extensions/xf86vmode.h>
 #include "xf86dri.h"
@@ -344,6 +350,12 @@ AllocateGLXContext(Display * dpy)
       bufSize = __GLX_MAX_RENDER_CMD_SIZE;
    }
    gc->maxSmallRenderCommandSize = bufSize;
+   
+#ifdef GLX_USE_APPLEGL
+   gc->apple = NULL;
+   gc->do_destroy = False;   
+#endif
+
    return gc;
 }
 
@@ -365,10 +377,15 @@ CreateContext(Display * dpy, int generic_id,
 	      unsigned code, int renderType, int screen)
 {
    GLXContext gc;
-#ifdef GLX_DIRECT_RENDERING
+#if defined(GLX_DIRECT_RENDERING) || defined(GLX_USE_APPLEGL)
    __GLXscreenConfigs *const psc = GetGLXScreenConfigs(dpy, screen);
 #endif
-
+#ifdef GLX_USE_APPLEGL
+    const __GLcontextModes *mode;
+    int errorcode;
+    bool x11error;
+#endif
+    
    if (dpy == NULL)
       return NULL;
 
@@ -379,6 +396,7 @@ CreateContext(Display * dpy, int generic_id,
    if (!gc)
       return NULL;
 
+#ifndef GLX_USE_APPLEGL
 #ifdef GLX_DIRECT_RENDERING
    if (allowDirect && psc->driScreen) {
       gc->driContext = psc->driScreen->createContext(psc, fbconfig, gc,
@@ -455,9 +473,34 @@ CreateContext(Display * dpy, int generic_id,
 
    UnlockDisplay(dpy);
    SyncHandle();
+#endif
 
    gc->imported = GL_FALSE;
+#ifdef GLX_USE_APPLEGL
+   mode = _gl_context_modes_find_fbconfig(psc->configs, 
+                                          fbconfig->fbconfigID);
+
+   if(NULL == mode) {
+      __glXSendError(dpy, BadValue, fbconfig->fbconfigID, X_GLXCreateContext,
+                     true);
+      __glXFreeContext(gc);
+      return NULL;
+   }
+   
+   if(apple_glx_create_context(&gc->apple, dpy, screen, mode, 
+                               shareList ? shareList->apple : NULL,
+                               &errorcode, &x11error)) {
+      __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error);
+      __glXFreeContext(gc);
+      return NULL;
+   }
+   
+   gc->currentContextTag = -1;
+   gc->mode = mode;
+   gc->isDirect = allowDirect;
+#else
    gc->renderType = renderType;
+#endif
 
    return gc;
 }
@@ -504,7 +547,9 @@ __glXFreeContext(__GLXcontext * gc)
       XFree((char *) gc->version);
    if (gc->extensions)
       XFree((char *) gc->extensions);
+#ifndef GLX_USE_APPLEGL
    __glFreeAttributeState(gc);
+#endif
    XFree((char *) gc->buf);
    Xfree((char *) gc->client_state_private);
    XFree((char *) gc);
@@ -517,6 +562,7 @@ __glXFreeContext(__GLXcontext * gc)
 static void
 DestroyContext(Display * dpy, GLXContext gc)
 {
+#ifndef GLX_USE_APPLEGL
    xGLXDestroyContextReq *req;
    GLXContextID xid;
    CARD8 opcode;
@@ -552,17 +598,31 @@ DestroyContext(Display * dpy, GLXContext gc)
 #endif
 
    __glXFreeVertexArrayState(gc);
+#else
+   __glXLock();
+#endif /* GLX_USE_APPLEGL */   
 
    if (gc->currentDpy) {
+#ifdef GLX_USE_APPLEGL
+      /* 
+       * Set the Bool that indicates that we should destroy this GLX context
+       * when the context is no longer current.
+       */
+      gc->do_destroy = True;
+#endif
       /* Have to free later cuz it's in use now */
       __glXUnlock();
    }
    else {
       /* Destroy the handle if not current to anybody */
       __glXUnlock();
+#ifdef GLX_USE_APPLEGL
+      if(gc->apple)
+         apple_glx_destroy_context(&gc->apple, dpy);
+#endif
       __glXFreeContext(gc);
    }
-
+#ifndef GLX_USE_APPLEGL
    if (!imported) {
       /*
        ** This dpy also created the server side part of the context.
@@ -576,6 +636,7 @@ DestroyContext(Display * dpy, GLXContext gc)
       UnlockDisplay(dpy);
       SyncHandle();
    }
+#endif
 }
 
 PUBLIC void
@@ -630,7 +691,9 @@ glXQueryExtension(Display * dpy, int *errorBase, int *eventBase)
 PUBLIC void
 glXWaitGL(void)
 {
+#ifndef GLX_USE_APPLEGL
    xGLXWaitGLReq *req;
+#endif
    GLXContext gc = __glXGetCurrentContext();
    Display *dpy = gc->currentDpy;
 
@@ -639,7 +702,9 @@ glXWaitGL(void)
 
    /* Flush any pending commands out */
    __glXFlushRenderBuffer(gc, gc->pc);
-
+#ifdef GLX_USE_APPLEGL
+   glFinish();
+#else
 #ifdef GLX_DIRECT_RENDERING
    if (gc->driContext) {
       int screen;
@@ -664,6 +729,7 @@ glXWaitGL(void)
    req->contextTag = gc->currentContextTag;
    UnlockDisplay(dpy);
    SyncHandle();
+#endif /* GLX_USE_APPLEGL */
 }
 
 /*
@@ -673,7 +739,9 @@ glXWaitGL(void)
 PUBLIC void
 glXWaitX(void)
 {
+#ifndef GLX_USE_APPLEGL
    xGLXWaitXReq *req;
+#endif
    GLXContext gc = __glXGetCurrentContext();
    Display *dpy = gc->currentDpy;
 
@@ -683,6 +751,9 @@ glXWaitX(void)
    /* Flush any pending commands out */
    __glXFlushRenderBuffer(gc, gc->pc);
 
+#ifdef GLX_USE_APPLEGL
+   apple_glx_waitx(dpy, gc->apple);
+#else
 #ifdef GLX_DIRECT_RENDERING
    if (gc->driContext) {
       int screen;
@@ -710,12 +781,15 @@ glXWaitX(void)
    req->contextTag = gc->currentContextTag;
    UnlockDisplay(dpy);
    SyncHandle();
+#endif /* GLX_USE_APPLEGL */
 }
 
 PUBLIC void
 glXUseXFont(Font font, int first, int count, int listBase)
 {
+#ifndef GLX_USE_APPLEGL
    xGLXUseXFontReq *req;
+#endif
    GLXContext gc = __glXGetCurrentContext();
    Display *dpy = gc->currentDpy;
 
@@ -724,7 +798,9 @@ glXUseXFont(Font font, int first, int count, int listBase)
 
    /* Flush any pending commands out */
    (void) __glXFlushRenderBuffer(gc, gc->pc);
-
+#ifdef GLX_USE_APPLEGL
+   DRI_glXUseXFont(font, first, count, listBase); 
+#else
 #ifdef GLX_DIRECT_RENDERING
    if (gc->driContext) {
       DRI_glXUseXFont(font, first, count, listBase);
@@ -744,6 +820,7 @@ glXUseXFont(Font font, int first, int count, int listBase)
    req->listBase = listBase;
    UnlockDisplay(dpy);
    SyncHandle();
+#endif /* GLX_USE_APPLEGL */
 }
 
 /************************************************************************/
@@ -756,6 +833,17 @@ PUBLIC void
 glXCopyContext(Display * dpy, GLXContext source,
                GLXContext dest, unsigned long mask)
 {
+#ifdef GLX_USE_APPLEGL
+   GLXContext gc = __glXGetCurrentContext();
+   int errorcode;
+   bool x11error;
+
+   if(apple_glx_copy_context(gc->apple, source->apple, dest->apple,
+                             mask, &errorcode, &x11error)) {
+      __glXSendError(dpy, errorcode, 0, X_GLXCopyContext, x11error);
+   }
+   
+#else
    xGLXCopyContextReq *req;
    GLXContext gc = __glXGetCurrentContext();
    GLXContextTag tag;
@@ -794,9 +882,11 @@ glXCopyContext(Display * dpy, GLXContext source,
    req->contextTag = tag;
    UnlockDisplay(dpy);
    SyncHandle();
+#endif /* GLX_USE_APPLEGL */
 }
 
 
+#ifndef GLX_USE_APPLEGL
 /**
  * Determine if a context uses direct rendering.
  *
@@ -844,6 +934,7 @@ __glXIsDirect(Display * dpy, GLXContextID contextID)
    return reply.isDirect;
 #endif /* USE_XCB */
 }
+#endif /* GLX_USE_APPLEGL */
 
 /**
  * \todo
@@ -854,6 +945,17 @@ __glXIsDirect(Display * dpy, GLXContextID contextID)
 PUBLIC Bool
 glXIsDirect(Display * dpy, GLXContext gc)
 {
+#ifdef GLX_USE_APPLEGL
+   /*
+    * This isn't an ideal test.  
+    * glXIsDirect should probably search a list of contexts.
+    */
+   if(NULL == gc) {
+      __glXSendError(dpy, GLXBadContext, 0, X_GLXIsDirect, false);
+      return False;
+   }
+   return gc->isDirect;
+#else
    if (!gc) {
       return GL_FALSE;
    }
@@ -861,11 +963,24 @@ glXIsDirect(Display * dpy, GLXContext gc)
       return GL_TRUE;
    }
    return __glXIsDirect(dpy, gc->xid);
+#endif /* GLX_USE_APPLEGL */
 }
 
 PUBLIC GLXPixmap
 glXCreateGLXPixmap(Display * dpy, XVisualInfo * vis, Pixmap pixmap)
 {
+#ifdef GLX_USE_APPLEGL
+   int screen = vis->screen;
+   __GLXscreenConfigs *const psc = GetGLXScreenConfigs(dpy, screen);
+   const __GLcontextModes *modes;
+
+   modes = _gl_context_modes_find_visual(psc->visuals, vis->visualid);
+   
+   if(apple_glx_pixmap_create(dpy, vis->screen, pixmap, modes))
+      return None;
+   
+   return pixmap;
+#else
    xGLXCreateGLXPixmapReq *req;
    GLXPixmap xid;
    CARD8 opcode;
@@ -915,6 +1030,7 @@ glXCreateGLXPixmap(Display * dpy, XVisualInfo * vis, Pixmap pixmap)
 #endif
 
    return xid;
+#endif
 }
 
 /*
@@ -923,6 +1039,10 @@ glXCreateGLXPixmap(Display * dpy, XVisualInfo * vis, Pixmap pixmap)
 PUBLIC void
 glXDestroyGLXPixmap(Display * dpy, GLXPixmap glxpixmap)
 {
+#ifdef GLX_USE_APPLEGL
+   if(apple_glx_pixmap_destroy(dpy, glxpixmap))
+      __glXSendError(dpy, GLXBadPixmap, glxpixmap, X_GLXDestroyPixmap, false);
+#else
    xGLXDestroyGLXPixmapReq *req;
    CARD8 opcode;
 
@@ -953,11 +1073,20 @@ glXDestroyGLXPixmap(Display * dpy, GLXPixmap glxpixmap)
       }
    }
 #endif
+#endif /* GLX_USE_APPLEGL */
 }
 
 PUBLIC void
 glXSwapBuffers(Display * dpy, GLXDrawable drawable)
 {
+#ifdef GLX_USE_APPLEGL
+   GLXContext gc = glXGetCurrentContext();
+   if(gc && apple_glx_is_current_drawable(dpy, gc->apple, drawable)) {
+      apple_glx_swap_buffers(gc->apple);
+   } else {
+      __glXSendError(dpy, GLXBadCurrentWindow, 0, X_GLXSwapBuffers, false);
+   }
+#else
    GLXContext gc;
    GLXContextTag tag;
    CARD8 opcode;
@@ -1012,6 +1141,7 @@ glXSwapBuffers(Display * dpy, GLXDrawable drawable)
    SyncHandle();
    XFlush(dpy);
 #endif /* USE_XCB */
+#endif /* GLX_USE_APPLEGL */
 }
 
 
@@ -1436,6 +1566,12 @@ glXChooseVisual(Display * dpy, int screen, int *attribList)
       }
    }
 
+#ifdef GLX_USE_APPLEGL
+   if(visualList && getenv("LIBGL_DUMP_VISUALID")) {
+      printf("visualid 0x%lx\n", visualList[0].visualid);
+   }
+#endif
+
    return visualList;
 }
 
@@ -1569,6 +1705,7 @@ PUBLIC
 GLX_ALIAS(Display *, glXGetCurrentDisplayEXT, (void), (),
           glXGetCurrentDisplay)
 
+#ifndef GLX_USE_APPLEGL
 /**
  * Used internally by libGL to send \c xGLXQueryContextinfoExtReq requests
  * to the X-server.
@@ -1680,9 +1817,12 @@ static int __glXQueryContextInfo(Display * dpy, GLXContext ctx)
    return retval;
 }
 
+#endif
+
 PUBLIC int
 glXQueryContext(Display * dpy, GLXContext ctx, int attribute, int *value)
 {
+#ifndef GLX_USE_APPLEGL
    int retVal;
 
    /* get the information from the server if we don't have it already */
@@ -1695,13 +1835,17 @@ glXQueryContext(Display * dpy, GLXContext ctx, int attribute, int *value)
       if (Success != retVal)
          return retVal;
    }
+#endif
+
    switch (attribute) {
-   case GLX_SHARE_CONTEXT_EXT:
+#ifndef GLX_USE_APPLEGL
+      case GLX_SHARE_CONTEXT_EXT:
       *value = (int) (ctx->share_xid);
       break;
    case GLX_VISUAL_ID_EXT:
       *value = ctx->mode ? ctx->mode->visualID : None;
       break;
+#endif
    case GLX_SCREEN:
       *value = (int) (ctx->screen);
       break;
@@ -1730,6 +1874,9 @@ PUBLIC GLXContextID glXGetContextIDEXT(const GLXContext ctx)
 PUBLIC GLXContext
 glXImportContextEXT(Display * dpy, GLXContextID contextID)
 {
+#ifdef GLX_USE_APPLEGL
+   return NULL;
+#else
    GLXContext ctx;
 
    if (contextID == None) {
@@ -1750,6 +1897,7 @@ glXImportContextEXT(Display * dpy, GLXContextID contextID)
       }
    }
    return ctx;
+#endif
 }
 
 PUBLIC void
@@ -1877,7 +2025,7 @@ glXGetVisualFromFBConfig(Display * dpy, GLXFBConfig config)
    return XGetVisualInfo(dpy, VisualIDMask, &visualTemplate, &count);
 }
 
-
+#ifndef GLX_USE_APPLEGL
 /*
 ** GLX_SGI_swap_control
 */
@@ -2215,6 +2363,7 @@ __glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
    return GLX_BAD_CONTEXT;
 }
 
+#endif /* GLX_USE_APPLEGL */
 
 /*
 ** GLX_SGIX_fbconfig
@@ -2241,17 +2390,24 @@ glXCreateGLXPixmapWithConfigSGIX(Display * dpy,
                                  GLXFBConfigSGIX config,
                                  Pixmap pixmap)
 {
+#ifndef GLX_USE_APPLEGL
    xGLXVendorPrivateWithReplyReq *vpreq;
    xGLXCreateGLXPixmapWithConfigSGIXReq *req;
    GLXPixmap xid = None;
    CARD8 opcode;
-   const __GLcontextModes *const fbconfig = (__GLcontextModes *) config;
    __GLXscreenConfigs *psc;
+#endif
+   const __GLcontextModes *const fbconfig = (__GLcontextModes *) config;
 
 
    if ((dpy == NULL) || (config == NULL)) {
       return None;
    }
+#ifdef GLX_USE_APPLEGL
+   if(apple_glx_pixmap_create(dpy, fbconfig->screen, pixmap, fbconfig))
+      return None;
+   return pixmap;
+#else
 
    psc = GetGLXScreenConfigs(dpy, fbconfig->screen);
    if ((psc != NULL)
@@ -2279,6 +2435,7 @@ glXCreateGLXPixmapWithConfigSGIX(Display * dpy,
    }
 
    return xid;
+#endif
 }
 
 PUBLIC GLXContext
@@ -2324,7 +2481,7 @@ glXGetFBConfigFromVisualSGIX(Display * dpy, XVisualInfo * vis)
    return NULL;
 }
 
-
+#ifndef GLX_USE_APPLEGL
 /*
 ** GLX_SGIX_swap_group
 */
@@ -2922,6 +3079,8 @@ __glXReleaseTexImageEXT(Display * dpy, GLXDrawable drawable, int buffer)
 
 /*@}*/
 
+#endif /* GLX_USE_APPLEGL */
+
 /**
  * \c strdup is actually not a standard ANSI C or POSIX routine.
  * Irix will not define it if ANSI mode is in effect.
@@ -2999,6 +3158,7 @@ static const struct name_address_pair GLX_functions[] = {
    GLX_FUNCTION(glXQueryDrawable),
    GLX_FUNCTION(glXSelectEvent),
 
+#ifndef GLX_USE_APPLEGL
    /*** GLX_SGI_swap_control ***/
    GLX_FUNCTION2(glXSwapIntervalSGI, __glXSwapIntervalSGI),
 
@@ -3016,6 +3176,7 @@ static const struct name_address_pair GLX_functions[] = {
    GLX_FUNCTION2(glXGetCurrentDisplayEXT, glXGetCurrentDisplay),
    GLX_FUNCTION(glXImportContextEXT),
    GLX_FUNCTION2(glXQueryContextInfoEXT, glXQueryContext),
+#endif
 
    /*** GLX_SGIX_fbconfig ***/
    GLX_FUNCTION2(glXGetFBConfigAttribSGIX, glXGetFBConfigAttrib),
@@ -3025,6 +3186,7 @@ static const struct name_address_pair GLX_functions[] = {
    GLX_FUNCTION2(glXGetVisualFromFBConfigSGIX, glXGetVisualFromFBConfig),
    GLX_FUNCTION(glXGetFBConfigFromVisualSGIX),
 
+#ifndef GLX_USE_APPLEGL
    /*** GLX_SGIX_pbuffer ***/
    GLX_FUNCTION(glXCreateGLXPbufferSGIX),
    GLX_FUNCTION(glXDestroyGLXPbufferSGIX),
@@ -3062,6 +3224,7 @@ static const struct name_address_pair GLX_functions[] = {
    GLX_FUNCTION2(glXEndFrameTrackingMESA, __glXEndFrameTrackingMESA),
    GLX_FUNCTION2(glXGetFrameUsageMESA, __glXGetFrameUsageMESA),
    GLX_FUNCTION2(glXQueryFrameTrackingMESA, __glXQueryFrameTrackingMESA),
+#endif
 
    /*** GLX_ARB_get_proc_address ***/
    GLX_FUNCTION(glXGetProcAddressARB),
@@ -3069,6 +3232,7 @@ static const struct name_address_pair GLX_functions[] = {
    /*** GLX 1.4 ***/
    GLX_FUNCTION2(glXGetProcAddress, glXGetProcAddressARB),
 
+#ifndef GLX_USE_APPLEGL
    /*** GLX_OML_sync_control ***/
    GLX_FUNCTION2(glXWaitForSbcOML, __glXWaitForSbcOML),
    GLX_FUNCTION2(glXWaitForMscOML, __glXWaitForMscOML),
@@ -3079,6 +3243,7 @@ static const struct name_address_pair GLX_functions[] = {
    /*** GLX_EXT_texture_from_pixmap ***/
    GLX_FUNCTION2(glXBindTexImageEXT, __glXBindTexImageEXT),
    GLX_FUNCTION2(glXReleaseTexImageEXT, __glXReleaseTexImageEXT),
+#endif
 
 #ifdef GLX_DIRECT_RENDERING
    /*** DRI configuration ***/
@@ -3089,7 +3254,7 @@ static const struct name_address_pair GLX_functions[] = {
    {NULL, NULL}                 /* end of list */
 };
 
-
+#ifndef GLX_USE_APPLEGL
 static const GLvoid *
 get_glx_proc_address(const char *funcName)
 {
@@ -3103,7 +3268,7 @@ get_glx_proc_address(const char *funcName)
 
    return NULL;
 }
-
+#endif
 
 /**
  * Get the address of a named GL function.  This is the pre-GLX 1.4 name for
@@ -3126,13 +3291,15 @@ PUBLIC void (*glXGetProcAddressARB(const GLubyte * procName)) (void)
     * DRI based drivers from searching the core GL function table for
     * internal API functions.
     */
-
+#ifdef GLX_USE_APPLEGL
+   f = (gl_function) apple_glx_get_proc_address(procName);
+#else
    f = (gl_function) get_glx_proc_address((const char *) procName);
    if ((f == NULL) && (procName[0] == 'g') && (procName[1] == 'l')
        && (procName[2] != 'X')) {
       f = (gl_function) _glapi_get_proc_address((const char *) procName);
    }
-
+#endif
    return f;
 }