X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fglx%2Fglx_pbuffer.c;h=515099aa0d8767121fb5e7ceda383274d885a2be;hb=396b41095944ea3675d30c0d47ca8c01db2b4c8f;hp=15bfb1591916e1cd0c51a7cd65027e190fb0c3f7;hpb=c356f5867f2c1fad7155df538b9affa8dbdcf869;p=mesa.git

diff --git a/src/glx/glx_pbuffer.c b/src/glx/glx_pbuffer.c
index 15bfb159191..515099aa0d8 100644
--- a/src/glx/glx_pbuffer.c
+++ b/src/glx/glx_pbuffer.c
@@ -39,10 +39,11 @@
 
 #ifdef GLX_USE_APPLEGL
 #include <pthread.h>
-#include "apple_glx_drawable.h"
-#include "glx_error.h"
+#include "apple/apple_glx_drawable.h"
 #endif
 
+#include "glx_error.h"
+
 #define WARN_ONCE_GLX_1_3(a, b) {		\
 		static int warned=1;		\
 		if(warned) {			\
@@ -59,7 +60,7 @@ warn_GLX_1_3(Display * dpy, const char *function_name)
 {
    struct glx_display *priv = __glXInitialize(dpy);
 
-   if (priv->minorVersion < 3) {
+   if (priv && priv->minorVersion < 3) {
       fprintf(stderr,
               "WARNING: Application calling GLX 1.3 function \"%s\" "
               "when GLX 1.3 is not supported!  This is an application bug!\n",
@@ -77,26 +78,23 @@ warn_GLX_1_3(Display * dpy, const char *function_name)
  * \note
  * This function dynamically determines whether to use the SGIX_pbuffer
  * version of the protocol or the GLX 1.3 version of the protocol.
- *
- * \todo
- * This function needs to be modified to work with direct-rendering drivers.
  */
 static void
 ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
                         const CARD32 * attribs, size_t num_attribs)
 {
    struct glx_display *priv = __glXInitialize(dpy);
+#ifdef GLX_DIRECT_RENDERING
    __GLXDRIdrawable *pdraw;
+#endif
    CARD32 *output;
    CARD8 opcode;
    int i;
 
-   if ((dpy == NULL) || (drawable == 0)) {
+   if ((priv == NULL) || (dpy == NULL) || (drawable == 0)) {
       return;
    }
 
-   pdraw = GetGLXDRIDrawable(dpy, drawable);
-
    opcode = __glXSetupForCommand(dpy);
    if (!opcode)
       return;
@@ -106,7 +104,7 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
    if ((priv->majorVersion > 1) || (priv->minorVersion >= 3)) {
       xGLXChangeDrawableAttributesReq *req;
 
-      GetReqExtra(GLXChangeDrawableAttributes, 8 + (8 * num_attribs), req);
+      GetReqExtra(GLXChangeDrawableAttributes, 8 * num_attribs, req);
       output = (CARD32 *) (req + 1);
 
       req->reqType = opcode;
@@ -117,7 +115,7 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
    else {
       xGLXVendorPrivateWithReplyReq *vpreq;
 
-      GetReqExtra(GLXVendorPrivateWithReply, 4 + (8 * num_attribs), vpreq);
+      GetReqExtra(GLXVendorPrivateWithReply, 8 + (8 * num_attribs), vpreq);
       output = (CARD32 *) (vpreq + 1);
 
       vpreq->reqType = opcode;
@@ -125,7 +123,8 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
       vpreq->vendorCode = X_GLXvop_ChangeDrawableAttributesSGIX;
 
       output[0] = (CARD32) drawable;
-      output++;
+      output[1] = num_attribs;
+      output += 2;
    }
 
    (void) memcpy(output, attribs, sizeof(CARD32) * 2 * num_attribs);
@@ -133,6 +132,12 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
    UnlockDisplay(dpy);
    SyncHandle();
 
+#ifdef GLX_DIRECT_RENDERING
+   pdraw = GetGLXDRIDrawable(dpy, drawable);
+
+   if (!pdraw)
+      return;
+
    for (i = 0; i < num_attribs; i++) {
       switch(attribs[i * 2]) {
       case GLX_EVENT_MASK:
@@ -141,6 +146,7 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
 	 break;
       }
    }
+#endif
 
    return;
 }
@@ -182,7 +188,7 @@ determineTextureFormat(const int *attribs, int numAttribs)
    return 0;
 }
 
-static void
+static GLboolean
 CreateDRIDrawable(Display *dpy, struct glx_config *config,
 		  XID drawable, XID glxdrawable,
 		  const int *attrib_list, size_t num_attribs)
@@ -191,24 +197,31 @@ CreateDRIDrawable(Display *dpy, struct glx_config *config,
    __GLXDRIdrawable *pdraw;
    struct glx_screen *psc;
 
+   if (priv == NULL) {
+      fprintf(stderr, "failed to create drawable\n");
+      return GL_FALSE;
+   }
+
    psc = priv->screens[config->screen];
    if (psc->driScreen == NULL)
-      return;
+      return GL_TRUE;
 
    pdraw = psc->driScreen->createDrawable(psc, drawable,
 					  glxdrawable, config);
    if (pdraw == NULL) {
       fprintf(stderr, "failed to create drawable\n");
-      return;
+      return GL_FALSE;
    }
 
    if (__glxHashInsert(priv->drawHash, glxdrawable, pdraw)) {
       (*pdraw->destroyDrawable) (pdraw);
-      return; /* FIXME: Check what we're supposed to do here... */
+      return GL_FALSE;
    }
 
    pdraw->textureTarget = determineTextureTarget(attrib_list, num_attribs);
    pdraw->textureFormat = determineTextureFormat(attrib_list, num_attribs);
+
+   return GL_TRUE;
 }
 
 static void
@@ -216,22 +229,25 @@ DestroyDRIDrawable(Display *dpy, GLXDrawable drawable, int destroy_xdrawable)
 {
    struct glx_display *const priv = __glXInitialize(dpy);
    __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable);
+   XID xid;
 
-   if (pdraw != NULL) {
-      if (destroy_xdrawable)
-         XFreePixmap(pdraw->psc->dpy, pdraw->xDrawable);
+   if (priv != NULL && pdraw != NULL) {
+      xid = pdraw->xDrawable;
       (*pdraw->destroyDrawable) (pdraw);
       __glxHashDelete(priv->drawHash, drawable);
+      if (destroy_xdrawable)
+         XFreePixmap(priv->dpy, xid);
    }
 }
 
 #else
 
-static void
+static GLboolean
 CreateDRIDrawable(Display *dpy, const struct glx_config * fbconfig,
 		  XID drawable, XID glxdrawable,
 		  const int *attrib_list, size_t num_attribs)
 {
+    return GL_TRUE;
 }
 
 static void
@@ -255,13 +271,10 @@ DestroyDRIDrawable(Display *dpy, GLXDrawable drawable, int destroy_xdrawable)
  * The number of attributes returned is likely to be small, probably less than
  * 10.  Given that, this routine should try to use an array on the stack to
  * capture the reply rather than always calling Xmalloc.
- *
- * \todo
- * This function needs to be modified to work with direct-rendering drivers.
  */
-static int
-GetDrawableAttribute(Display * dpy, GLXDrawable drawable,
-                     int attribute, unsigned int *value)
+int
+__glXGetDrawableAttribute(Display * dpy, GLXDrawable drawable,
+                          int attribute, unsigned int *value)
 {
    struct glx_display *priv;
    xGLXGetDrawableAttributesReply reply;
@@ -272,11 +285,27 @@ GetDrawableAttribute(Display * dpy, GLXDrawable drawable,
    unsigned int num_attributes;
    GLboolean use_glx_1_3;
 
-   if ((dpy == NULL) || (drawable == 0)) {
+#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
+   __GLXDRIdrawable *pdraw;
+#endif
+
+   if (dpy == NULL)
+      return 0;
+
+   /* Page 38 (page 52 of the PDF) of glxencode1.3.pdf says:
+    *
+    *     "If drawable is not a valid GLX drawable, a GLXBadDrawable error is
+    *     generated."
+    */
+   if (drawable == 0) {
+      __glXSendError(dpy, GLXBadDrawable, 0, X_GLXGetDrawableAttributes, false);
       return 0;
    }
 
    priv = __glXInitialize(dpy);
+   if (priv == NULL)
+      return 0;
+
    use_glx_1_3 = ((priv->majorVersion > 1) || (priv->minorVersion >= 3));
 
    *value = 0;
@@ -286,12 +315,42 @@ GetDrawableAttribute(Display * dpy, GLXDrawable drawable,
    if (!opcode)
       return 0;
 
+#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
+   pdraw = GetGLXDRIDrawable(dpy, drawable);
+
+   if (attribute == GLX_BACK_BUFFER_AGE_EXT) {
+      struct glx_context *gc = __glXGetCurrentContext();
+      struct glx_screen *psc;
+
+      /* The GLX_EXT_buffer_age spec says:
+       *
+       *   "If querying GLX_BACK_BUFFER_AGE_EXT and <draw> is not bound to
+       *   the calling thread's current context a GLXBadDrawable error is
+       *   generated."
+       */
+      if (pdraw == NULL || gc == &dummyContext || gc->currentDpy != dpy ||
+         (gc->currentDrawable != drawable &&
+         gc->currentReadable != drawable)) {
+         __glXSendError(dpy, GLXBadDrawable, drawable,
+                        X_GLXGetDrawableAttributes, false);
+         return 0;
+      }
+
+      psc = pdraw->psc;
+
+      if (psc->driScreen->getBufferAge != NULL)
+         *value = psc->driScreen->getBufferAge(pdraw);
+
+      return 0;
+   }
+#endif
+
    LockDisplay(dpy);
 
    if (use_glx_1_3) {
       xGLXGetDrawableAttributesReq *req;
 
-      GetReqExtra(GLXGetDrawableAttributes, 4, req);
+      GetReq(GLXGetDrawableAttributes, req);
       req->reqType = opcode;
       req->glxCode = X_GLXGetDrawableAttributes;
       req->drawable = drawable;
@@ -319,7 +378,7 @@ GetDrawableAttribute(Display * dpy, GLXDrawable drawable,
    length = reply.length;
    if (length) {
       num_attributes = (use_glx_1_3) ? reply.numAttribs : length / 2;
-      data = (CARD32 *) Xmalloc(length * sizeof(CARD32));
+      data = malloc(length * sizeof(CARD32));
       if (data == NULL) {
          /* Throw data on the floor */
          _XEatData(dpy, length);
@@ -338,42 +397,60 @@ GetDrawableAttribute(Display * dpy, GLXDrawable drawable,
          }
 
 #if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
-         {
-            __GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable);
-
-            if (pdraw != NULL && !pdraw->textureTarget)
+         if (pdraw != NULL) {
+            if (!pdraw->textureTarget)
                pdraw->textureTarget =
                   determineTextureTarget((const int *) data, num_attributes);
-            if (pdraw != NULL && !pdraw->textureFormat)
+            if (!pdraw->textureFormat)
                pdraw->textureFormat =
                   determineTextureFormat((const int *) data, num_attributes);
          }
 #endif
 
-         Xfree(data);
+         free(data);
       }
    }
 
    UnlockDisplay(dpy);
    SyncHandle();
 
-   return 0;
+   return 1;
+}
+
+static void
+protocolDestroyDrawable(Display *dpy, GLXDrawable drawable, CARD32 glxCode)
+{
+   xGLXDestroyPbufferReq *req;
+   CARD8 opcode;
+
+   opcode = __glXSetupForCommand(dpy);
+   if (!opcode)
+      return;
+
+   LockDisplay(dpy);
+
+   GetReq(GLXDestroyPbuffer, req);
+   req->reqType = opcode;
+   req->glxCode = glxCode;
+   req->pbuffer = (GLXPbuffer) drawable;
+
+   UnlockDisplay(dpy);
+   SyncHandle();
 }
 
 /**
  * Create a non-pbuffer GLX drawable.
- *
- * \todo
- * This function needs to be modified to work with direct-rendering drivers.
  */
 static GLXDrawable
 CreateDrawable(Display *dpy, struct glx_config *config,
                Drawable drawable, const int *attrib_list, CARD8 glxCode)
 {
    xGLXCreateWindowReq *req;
+   struct glx_drawable *glxDraw;
    CARD32 *data;
    unsigned int i;
    CARD8 opcode;
+   GLXDrawable xid;
 
    i = 0;
    if (attrib_list) {
@@ -385,6 +462,10 @@ CreateDrawable(Display *dpy, struct glx_config *config,
    if (!opcode)
       return None;
 
+   glxDraw = malloc(sizeof(*glxDraw));
+   if (!glxDraw)
+      return None;
+
    LockDisplay(dpy);
    GetReqExtra(GLXCreateWindow, 8 * i, req);
    data = (CARD32 *) (req + 1);
@@ -394,7 +475,7 @@ CreateDrawable(Display *dpy, struct glx_config *config,
    req->screen = config->screen;
    req->fbconfig = config->fbconfigID;
    req->window = drawable;
-   req->glxwindow = XAllocID(dpy);
+   req->glxwindow = xid = XAllocID(dpy);
    req->numAttribs = i;
 
    if (attrib_list)
@@ -403,9 +484,21 @@ CreateDrawable(Display *dpy, struct glx_config *config,
    UnlockDisplay(dpy);
    SyncHandle();
 
-   CreateDRIDrawable(dpy, config, drawable, req->glxwindow, attrib_list, i);
+   if (InitGLXDrawable(dpy, glxDraw, drawable, xid)) {
+      free(glxDraw);
+      return None;
+   }
+
+   if (!CreateDRIDrawable(dpy, config, drawable, xid, attrib_list, i)) {
+      if (glxCode == X_GLXCreatePixmap)
+         glxCode = X_GLXDestroyPixmap;
+      else
+         glxCode = X_GLXDestroyWindow;
+      protocolDestroyDrawable(dpy, xid, glxCode);
+      xid = None;
+   }
 
-   return req->glxwindow;
+   return xid;
 }
 
 
@@ -415,28 +508,13 @@ CreateDrawable(Display *dpy, struct glx_config *config,
 static void
 DestroyDrawable(Display * dpy, GLXDrawable drawable, CARD32 glxCode)
 {
-   xGLXDestroyPbufferReq *req;
-   CARD8 opcode;
-
    if ((dpy == NULL) || (drawable == 0)) {
       return;
    }
 
+   protocolDestroyDrawable(dpy, drawable, glxCode);
 
-   opcode = __glXSetupForCommand(dpy);
-   if (!opcode)
-      return;
-
-   LockDisplay(dpy);
-
-   GetReqExtra(GLXDestroyPbuffer, 4, req);
-   req->reqType = opcode;
-   req->glxCode = glxCode;
-   req->pbuffer = (GLXPbuffer) drawable;
-
-   UnlockDisplay(dpy);
-   SyncHandle();
-
+   DestroyGLXDrawable(dpy, drawable);
    DestroyDRIDrawable(dpy, drawable, GL_FALSE);
 
    return;
@@ -452,9 +530,6 @@ DestroyDrawable(Display * dpy, GLXDrawable drawable, CARD32 glxCode)
  * \note
  * This function dynamically determines whether to use the SGIX_pbuffer
  * version of the protocol or the GLX 1.3 version of the protocol.
- *
- * \todo
- * This function needs to be modified to work with direct-rendering drivers.
  */
 static GLXDrawable
 CreatePbuffer(Display * dpy, struct glx_config *config,
@@ -467,6 +542,10 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
    CARD8 opcode;
    unsigned int i;
    Pixmap pixmap;
+   GLboolean glx_1_3 = GL_FALSE;
+
+   if (priv == NULL)
+      return None;
 
    i = 0;
    if (attrib_list) {
@@ -485,6 +564,8 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
       xGLXCreatePbufferReq *req;
       unsigned int extra = (size_in_attribs) ? 0 : 2;
 
+      glx_1_3 = GL_TRUE;
+
       GetReqExtra(GLXCreatePbuffer, (8 * (i + extra)), req);
       data = (CARD32 *) (req + 1);
 
@@ -529,7 +610,12 @@ CreatePbuffer(Display * dpy, struct glx_config *config,
    pixmap = XCreatePixmap(dpy, RootWindow(dpy, config->screen),
 			  width, height, config->rgbBits);
 
-   CreateDRIDrawable(dpy, config, pixmap, id, attrib_list, i);
+   if (!CreateDRIDrawable(dpy, config, pixmap, id, attrib_list, i)) {
+      CARD32 o = glx_1_3 ? X_GLXDestroyPbuffer : X_GLXvop_DestroyGLXPbufferSGIX;
+      XFreePixmap(dpy, pixmap);
+      protocolDestroyDrawable(dpy, id, o);
+      id = None;
+   }
 
    return id;
 }
@@ -550,7 +636,7 @@ DestroyPbuffer(Display * dpy, GLXDrawable drawable)
    struct glx_display *priv = __glXInitialize(dpy);
    CARD8 opcode;
 
-   if ((dpy == NULL) || (drawable == 0)) {
+   if ((priv == NULL) || (dpy == NULL) || (drawable == 0)) {
       return;
    }
 
@@ -593,7 +679,7 @@ DestroyPbuffer(Display * dpy, GLXDrawable drawable)
 /**
  * Create a new pbuffer.
  */
-_X_EXPORT GLXPbufferSGIX
+_GLX_PUBLIC GLXPbufferSGIX
 glXCreateGLXPbufferSGIX(Display * dpy, GLXFBConfigSGIX config,
                         unsigned int width, unsigned int height,
                         int *attrib_list)
@@ -608,7 +694,7 @@ glXCreateGLXPbufferSGIX(Display * dpy, GLXFBConfigSGIX config,
 /**
  * Create a new pbuffer.
  */
-_X_EXPORT GLXPbuffer
+_GLX_PUBLIC GLXPbuffer
 glXCreatePbuffer(Display * dpy, GLXFBConfig config, const int *attrib_list)
 {
    int i, width, height;
@@ -683,7 +769,7 @@ glXCreatePbuffer(Display * dpy, GLXFBConfig config, const int *attrib_list)
 /**
  * Destroy an existing pbuffer.
  */
-_X_EXPORT void
+_GLX_PUBLIC void
 glXDestroyPbuffer(Display * dpy, GLXPbuffer pbuf)
 {
 #ifdef GLX_USE_APPLEGL
@@ -699,7 +785,7 @@ glXDestroyPbuffer(Display * dpy, GLXPbuffer pbuf)
 /**
  * Query an attribute of a drawable.
  */
-_X_EXPORT void
+_GLX_PUBLIC void
 glXQueryDrawable(Display * dpy, GLXDrawable drawable,
                  int attribute, unsigned int *value)
 {
@@ -739,7 +825,7 @@ glXQueryDrawable(Display * dpy, GLXDrawable drawable,
       }
    }
 #else
-   GetDrawableAttribute(dpy, drawable, attribute, value);
+   __glXGetDrawableAttribute(dpy, drawable, attribute, value);
 #endif
 }
 
@@ -748,18 +834,18 @@ glXQueryDrawable(Display * dpy, GLXDrawable drawable,
 /**
  * Query an attribute of a pbuffer.
  */
-_X_EXPORT int
+_GLX_PUBLIC void
 glXQueryGLXPbufferSGIX(Display * dpy, GLXPbufferSGIX drawable,
                        int attribute, unsigned int *value)
 {
-   return GetDrawableAttribute(dpy, drawable, attribute, value);
+   __glXGetDrawableAttribute(dpy, drawable, attribute, value);
 }
 #endif
 
 /**
  * Select the event mask for a drawable.
  */
-_X_EXPORT void
+_GLX_PUBLIC void
 glXSelectEvent(Display * dpy, GLXDrawable drawable, unsigned long mask)
 {
 #ifdef GLX_USE_APPLEGL
@@ -792,7 +878,7 @@ glXSelectEvent(Display * dpy, GLXDrawable drawable, unsigned long mask)
 /**
  * Get the selected event mask for a drawable.
  */
-_X_EXPORT void
+_GLX_PUBLIC void
 glXGetSelectedEvent(Display * dpy, GLXDrawable drawable, unsigned long *mask)
 {
 #ifdef GLX_USE_APPLEGL
@@ -815,7 +901,7 @@ glXGetSelectedEvent(Display * dpy, GLXDrawable drawable, unsigned long *mask)
    __glXSendError(dpy, GLXBadDrawable, drawable, X_GLXGetDrawableAttributes,
                   true);
 #else
-   unsigned int value;
+   unsigned int value = 0;
 
 
    /* The non-sense with value is required because on LP64 platforms
@@ -823,20 +909,20 @@ glXGetSelectedEvent(Display * dpy, GLXDrawable drawable, unsigned long *mask)
     * we could just type-cast the pointer, but why?
     */
 
-   GetDrawableAttribute(dpy, drawable, GLX_EVENT_MASK_SGIX, &value);
+   __glXGetDrawableAttribute(dpy, drawable, GLX_EVENT_MASK_SGIX, &value);
    *mask = value;
 #endif
 }
 
 
-_X_EXPORT GLXPixmap
+_GLX_PUBLIC GLXPixmap
 glXCreatePixmap(Display * dpy, GLXFBConfig config, Pixmap pixmap,
                 const int *attrib_list)
 {
    WARN_ONCE_GLX_1_3(dpy, __func__);
 
 #ifdef GLX_USE_APPLEGL
-   const struct glx_config *modes = (const __GLcontextModes *) config;
+   const struct glx_config *modes = (const struct glx_config *) config;
 
    if (apple_glx_pixmap_create(dpy, modes->screen, pixmap, modes))
       return None;
@@ -849,7 +935,7 @@ glXCreatePixmap(Display * dpy, GLXFBConfig config, Pixmap pixmap,
 }
 
 
-_X_EXPORT GLXWindow
+_GLX_PUBLIC GLXWindow
 glXCreateWindow(Display * dpy, GLXFBConfig config, Window win,
                 const int *attrib_list)
 {
@@ -874,7 +960,7 @@ glXCreateWindow(Display * dpy, GLXFBConfig config, Window win,
       return None;
    }
 
-   XFree(visinfo);
+   free(visinfo);
 
    return win;
 #else
@@ -884,7 +970,7 @@ glXCreateWindow(Display * dpy, GLXFBConfig config, Window win,
 }
 
 
-_X_EXPORT void
+_GLX_PUBLIC void
 glXDestroyPixmap(Display * dpy, GLXPixmap pixmap)
 {
    WARN_ONCE_GLX_1_3(dpy, __func__);
@@ -897,7 +983,7 @@ glXDestroyPixmap(Display * dpy, GLXPixmap pixmap)
 }
 
 
-_X_EXPORT void
+_GLX_PUBLIC void
 glXDestroyWindow(Display * dpy, GLXWindow win)
 {
    WARN_ONCE_GLX_1_3(dpy, __func__);
@@ -906,20 +992,18 @@ glXDestroyWindow(Display * dpy, GLXWindow win)
 #endif
 }
 
-#ifndef GLX_USE_APPLEGL
-_X_EXPORT
+_GLX_PUBLIC
 GLX_ALIAS_VOID(glXDestroyGLXPbufferSGIX,
                (Display * dpy, GLXPbufferSGIX pbuf),
                (dpy, pbuf), glXDestroyPbuffer)
 
-_X_EXPORT
+_GLX_PUBLIC
 GLX_ALIAS_VOID(glXSelectEventSGIX,
                (Display * dpy, GLXDrawable drawable,
                 unsigned long mask), (dpy, drawable, mask), glXSelectEvent)
 
-_X_EXPORT
+_GLX_PUBLIC
 GLX_ALIAS_VOID(glXGetSelectedEventSGIX,
                (Display * dpy, GLXDrawable drawable,
                 unsigned long *mask), (dpy, drawable, mask),
                glXGetSelectedEvent)
-#endif