glx: Fix build and warnings with -Dglx=dri -Dglx-direct=false

Acked-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5958>

src/glx/dri_common.h

@@ -36,6 +36,8 @@
 #ifndef _DRI_COMMON_H
 #define _DRI_COMMON_H
 
+#ifdef GLX_DIRECT_RENDERING
+
 #include <GL/internal/dri_interface.h>
 #include <stdbool.h>
 #include "loader.h"
@@ -83,4 +85,6 @@ dri2_check_no_error(uint32_t flags, struct glx_context *share_context,
                     int major, unsigned *error);
 
 
+#endif /* GLX_DIRECT_RENDERING */
+
 #endif /* _DRI_COMMON_H */

src/glx/glx_pbuffer.c

@@ -86,10 +86,10 @@ ChangeDrawableAttribute(Display * dpy, GLXDrawable drawable,
    struct glx_display *priv = __glXInitialize(dpy);
 #ifdef GLX_DIRECT_RENDERING
    __GLXDRIdrawable *pdraw;
+   int i;
 #endif
    CARD32 *output;
    CARD8 opcode;
-   int i;
 
    if ((priv == NULL) || (dpy == NULL) || (drawable == 0)) {
       return;

src/glx/glxcmds.c

@@ -1731,7 +1731,9 @@ __glXSwapIntervalSGI(int interval)
 {
    xGLXVendorPrivateReq *req;
    struct glx_context *gc = __glXGetCurrentContext();
+#ifdef GLX_DIRECT_RENDERING
    struct glx_screen *psc;
+#endif
    Display *dpy;
    CARD32 *interval_ptr;
    CARD8 opcode;
@@ -1744,9 +1746,9 @@ __glXSwapIntervalSGI(int interval)
       return GLX_BAD_VALUE;
    }
 
+#ifdef GLX_DIRECT_RENDERING
    psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen);
 
-#ifdef GLX_DIRECT_RENDERING
    if (gc->isDirect && psc && psc->driScreen &&
           psc->driScreen->setSwapInterval) {
       __GLXDRIdrawable *pdraw =
@@ -1846,32 +1848,26 @@ __glXGetSwapIntervalMESA(void)
 static int
 __glXGetVideoSyncSGI(unsigned int *count)
 {
+#ifdef GLX_DIRECT_RENDERING
    int64_t ust, msc, sbc;
    int ret;
    struct glx_context *gc = __glXGetCurrentContext();
    struct glx_screen *psc;
-#ifdef GLX_DIRECT_RENDERING
    __GLXDRIdrawable *pdraw;
-#endif
 
    if (gc == &dummyContext)
       return GLX_BAD_CONTEXT;
 
-#ifdef GLX_DIRECT_RENDERING
    if (!gc->isDirect)
       return GLX_BAD_CONTEXT;
-#endif
 
    psc = GetGLXScreenConfigs(gc->currentDpy, gc->screen);
-#ifdef GLX_DIRECT_RENDERING
    pdraw = GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
-#endif
 
    /* FIXME: Looking at the GLX_SGI_video_sync spec in the extension registry,
     * FIXME: there should be a GLX encoding for this call.  I can find no
     * FIXME: documentation for the GLX encoding.
     */
-#ifdef GLX_DIRECT_RENDERING
    if (psc && psc->driScreen && psc->driScreen->getDrawableMSC) {
       ret = psc->driScreen->getDrawableMSC(psc, pdraw, &ust, &msc, &sbc);
       *count = (unsigned) msc;
@@ -1886,12 +1882,12 @@ static int
 __glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
 {
    struct glx_context *gc = __glXGetCurrentContext();
-   struct glx_screen *psc;
 #ifdef GLX_DIRECT_RENDERING
+   struct glx_screen *psc;
    __GLXDRIdrawable *pdraw;
-#endif
    int64_t ust, msc, sbc;
    int ret;
+#endif
 
    if (divisor <= 0 || remainder < 0)
       return GLX_BAD_VALUE;
@@ -1902,14 +1898,10 @@ __glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
 #ifdef GLX_DIRECT_RENDERING
    if (!gc->isDirect)
       return GLX_BAD_CONTEXT;
-#endif
 
    psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen);
-#ifdef GLX_DIRECT_RENDERING
    pdraw = GetGLXDRIDrawable(gc->currentDpy, gc->currentDrawable);
-#endif
 
-#ifdef GLX_DIRECT_RENDERING
    if (psc && psc->driScreen && psc->driScreen->waitForMSC) {
       ret = psc->driScreen->waitForMSC(pdraw, 0, divisor, remainder, &ust, &msc,
 				       &sbc);
@@ -2048,11 +2040,11 @@ __glXGetSyncValuesOML(Display * dpy, GLXDrawable drawable,
                       int64_t * ust, int64_t * msc, int64_t * sbc)
 {
    struct glx_display * const priv = __glXInitialize(dpy);
-   int ret;
 #ifdef GLX_DIRECT_RENDERING
+   int ret;
    __GLXDRIdrawable *pdraw;
-#endif
    struct glx_screen *psc;
+#endif
 
    if (!priv)
       return False;

src/mapi/glapi/gen/glX_proto_send.py

@@ -441,10 +441,8 @@ __indirect_get_proc_address(const char *name)
                 print('#define %s %d' % (func.opcode_vendor_name(name), func.glx_vendorpriv))
                 print('%s gl%s(%s)' % (func.return_type, func_name, func.get_parameter_string()))
                 print('{')
-                print('    struct glx_context * const gc = __glXGetCurrentContext();')
-                print('')
                 print('#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)')
-                print('    if (gc->isDirect) {')
+                print('    if (((struct glx_context *)__glXGetCurrentContext())->isDirect) {')
                 print('        const _glapi_proc *const disp_table = (_glapi_proc *)GET_DISPATCH();')
                 print('        PFNGL%sPROC p =' % (name.upper()))
                 print('            (PFNGL%sPROC) disp_table[%d];' % (name.upper(), func.offset))