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-rw-r--r--src/glx/glx_error.c2
-rw-r--r--src/glx/glx_pbuffer.c2
-rw-r--r--src/glx/glxcmds.c30
-rw-r--r--src/glx/query_renderer.c4
-rw-r--r--src/glx/tests/fake_glx_screen.cpp15
5 files changed, 33 insertions, 20 deletions
diff --git a/src/glx/glx_error.c b/src/glx/glx_error.c
index b3860db2e37..e098682dd75 100644
--- a/src/glx/glx_error.c
+++ b/src/glx/glx_error.c
@@ -43,7 +43,7 @@ __glXSendError(Display * dpy, int_fast8_t errorCode, uint_fast32_t resourceID,
xError error;
assert(glx_dpy);
- assert(gc);
+ assert(gc != &dummyContext);
LockDisplay(dpy);
diff --git a/src/glx/glx_pbuffer.c b/src/glx/glx_pbuffer.c
index a0c1e3d9809..24c073cb9ba 100644
--- a/src/glx/glx_pbuffer.c
+++ b/src/glx/glx_pbuffer.c
@@ -328,7 +328,7 @@ GetDrawableAttribute(Display * dpy, GLXDrawable drawable,
* the calling thread's current context a GLXBadDrawable error is
* generated."
*/
- if (pdraw == NULL || gc == NULL || gc->currentDpy != dpy ||
+ if (pdraw == NULL || gc == &dummyContext || gc->currentDpy != dpy ||
(gc->currentDrawable != drawable &&
gc->currentReadable != drawable)) {
__glXSendError(dpy, GLXBadDrawable, drawable,
diff --git a/src/glx/glxcmds.c b/src/glx/glxcmds.c
index 3856032ce68..8191da03616 100644
--- a/src/glx/glxcmds.c
+++ b/src/glx/glxcmds.c
@@ -524,7 +524,7 @@ glXWaitGL(void)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc && gc->vtable->wait_gl)
+ if (gc != &dummyContext && gc->vtable->wait_gl)
gc->vtable->wait_gl(gc);
}
@@ -537,7 +537,7 @@ glXWaitX(void)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc && gc->vtable->wait_x)
+ if (gc != &dummyContext && gc->vtable->wait_x)
gc->vtable->wait_x(gc);
}
@@ -546,7 +546,7 @@ glXUseXFont(Font font, int first, int count, int listBase)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc && gc->vtable->use_x_font)
+ if (gc != &dummyContext && gc->vtable->use_x_font)
gc->vtable->use_x_font(gc, font, first, count, listBase);
}
@@ -838,7 +838,7 @@ glXSwapBuffers(Display * dpy, GLXDrawable drawable)
__GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, drawable);
if (pdraw != NULL) {
- Bool flush = gc && drawable == gc->currentDrawable;
+ Bool flush = gc != &dummyContext && drawable == gc->currentDrawable;
(*pdraw->psc->driScreen->swapBuffers)(pdraw, 0, 0, 0, flush);
return;
@@ -855,7 +855,7 @@ glXSwapBuffers(Display * dpy, GLXDrawable drawable)
** The calling thread may or may not have a current context. If it
** does, send the context tag so the server can do a flush.
*/
- if ((gc != NULL) && (dpy == gc->currentDpy) &&
+ if ((gc != &dummyContext) && (dpy == gc->currentDpy) &&
((drawable == gc->currentDrawable)
|| (drawable == gc->currentReadable))) {
tag = gc->currentContextTag;
@@ -1388,7 +1388,7 @@ _GLX_PUBLIC Display *
glXGetCurrentDisplay(void)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (NULL == gc)
+ if (gc == &dummyContext)
return NULL;
return gc->currentDpy;
}
@@ -1751,7 +1751,7 @@ __glXSwapIntervalSGI(int interval)
CARD32 *interval_ptr;
CARD8 opcode;
- if (gc == NULL) {
+ if (gc == &dummyContext) {
return GLX_BAD_CONTEXT;
}
@@ -1805,7 +1805,7 @@ __glXSwapIntervalMESA(unsigned int interval)
#ifdef GLX_DIRECT_RENDERING
struct glx_context *gc = __glXGetCurrentContext();
- if (gc != NULL && gc->isDirect) {
+ if (gc != &dummyContext && gc->isDirect) {
struct glx_screen *psc;
psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen);
@@ -1827,7 +1827,7 @@ __glXGetSwapIntervalMESA(void)
#ifdef GLX_DIRECT_RENDERING
struct glx_context *gc = __glXGetCurrentContext();
- if (gc != NULL && gc->isDirect) {
+ if (gc != &dummyContext && gc->isDirect) {
struct glx_screen *psc;
psc = GetGLXScreenConfigs( gc->currentDpy, gc->screen);
@@ -1857,7 +1857,7 @@ __glXGetVideoSyncSGI(unsigned int *count)
__GLXDRIdrawable *pdraw;
#endif
- if (!gc)
+ if (gc == &dummyContext)
return GLX_BAD_CONTEXT;
#ifdef GLX_DIRECT_RENDERING
@@ -1899,7 +1899,7 @@ __glXWaitVideoSyncSGI(int divisor, int remainder, unsigned int *count)
if (divisor <= 0 || remainder < 0)
return GLX_BAD_VALUE;
- if (!gc)
+ if (gc == &dummyContext)
return GLX_BAD_CONTEXT;
#ifdef GLX_DIRECT_RENDERING
@@ -2212,7 +2212,7 @@ __glXSwapBuffersMscOML(Display * dpy, GLXDrawable drawable,
struct glx_screen *psc = pdraw ? pdraw->psc : NULL;
#endif
- if (!gc) /* no GLX for this */
+ if (gc == &dummyContext) /* no GLX for this */
return -1;
#ifdef GLX_DIRECT_RENDERING
@@ -2392,7 +2392,7 @@ __glXCopySubBufferMESA(Display * dpy, GLXDrawable drawable,
** does, send the context tag so the server can do a flush.
*/
gc = __glXGetCurrentContext();
- if ((gc != NULL) && (dpy == gc->currentDpy) &&
+ if ((gc != &dummyContext) && (dpy == gc->currentDpy) &&
((drawable == gc->currentDrawable) ||
(drawable == gc->currentReadable))) {
tag = gc->currentContextTag;
@@ -2431,7 +2431,7 @@ __glXBindTexImageEXT(Display * dpy,
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc == NULL || gc->vtable->bind_tex_image == NULL)
+ if (gc == &dummyContext || gc->vtable->bind_tex_image == NULL)
return;
gc->vtable->bind_tex_image(dpy, drawable, buffer, attrib_list);
@@ -2442,7 +2442,7 @@ __glXReleaseTexImageEXT(Display * dpy, GLXDrawable drawable, int buffer)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc == NULL || gc->vtable->release_tex_image == NULL)
+ if (gc == &dummyContext || gc->vtable->release_tex_image == NULL)
return;
gc->vtable->release_tex_image(dpy, drawable, buffer);
diff --git a/src/glx/query_renderer.c b/src/glx/query_renderer.c
index 9108ec23af5..4debf0665f8 100644
--- a/src/glx/query_renderer.c
+++ b/src/glx/query_renderer.c
@@ -106,7 +106,7 @@ glXQueryCurrentRendererIntegerMESA(int attribute, unsigned int *value)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc == NULL)
+ if (gc == &dummyContext)
return False;
return __glXQueryRendererInteger(gc->psc, attribute, value);
@@ -166,7 +166,7 @@ glXQueryCurrentRendererStringMESA(int attribute)
{
struct glx_context *gc = __glXGetCurrentContext();
- if (gc == NULL)
+ if (gc == &dummyContext)
return False;
return __glXQueryRendererString(gc->psc, attribute);
diff --git a/src/glx/tests/fake_glx_screen.cpp b/src/glx/tests/fake_glx_screen.cpp
index db20749505c..801f54a6faa 100644
--- a/src/glx/tests/fake_glx_screen.cpp
+++ b/src/glx/tests/fake_glx_screen.cpp
@@ -75,7 +75,20 @@ indirect_create_context_attribs(struct glx_screen *base,
return indirect_create_context(base, config_base, shareList, 0);
}
-__thread void *__glX_tls_Context = NULL;
+/* This is necessary so that we don't have to link with glxcurrent.c
+ * which would require us to link with X libraries and what not.
+ */
+GLubyte dummyBuffer[__GLX_BUFFER_LIMIT_SIZE];
+struct glx_context_vtable dummyVtable;
+struct glx_context dummyContext = {
+ &dummyBuffer[0],
+ &dummyBuffer[0],
+ &dummyBuffer[0],
+ &dummyBuffer[__GLX_BUFFER_LIMIT_SIZE],
+ sizeof(dummyBuffer),
+ &dummyVtable
+};
+__thread void *__glX_tls_Context = &dummyContext;
#if !defined(GLX_USE_TLS)
extern "C" struct glx_context *