glx: Optionally call DRI2 createContextAttribs from __glXDRIscreenCreateContext
Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Reviewed-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
This commit is contained in:
parent
0a9226376c
commit
8b8cd6f6f4
156
glx/glxdri2.c
156
glx/glxdri2.c
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@ -47,6 +47,7 @@
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#include "glxserver.h"
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#include "glxserver.h"
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#include "glxutil.h"
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#include "glxutil.h"
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#include "glxdricommon.h"
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#include "glxdricommon.h"
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#include <GL/glxtokens.h>
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#include "glapitable.h"
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#include "glapitable.h"
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#include "glapi.h"
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#include "glapi.h"
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@ -377,6 +378,143 @@ __glXDRIscreenDestroy(__GLXscreen * baseScreen)
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free(screen);
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free(screen);
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}
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}
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static Bool
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dri2_convert_glx_attribs(unsigned num_attribs, const uint32_t *attribs,
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unsigned *major_ver, unsigned *minor_ver,
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uint32_t *flags, unsigned *error)
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{
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unsigned i;
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if (num_attribs == 0)
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return True;
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if (attribs == NULL) {
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*error = BadImplementation;
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return False;
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}
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*major_ver = 1;
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*minor_ver = 0;
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for (i = 0; i < num_attribs; i++) {
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switch (attribs[i * 2]) {
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case GLX_CONTEXT_MAJOR_VERSION_ARB:
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*major_ver = attribs[i * 2 + 1];
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break;
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case GLX_CONTEXT_MINOR_VERSION_ARB:
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*minor_ver = attribs[i * 2 + 1];
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break;
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case GLX_CONTEXT_FLAGS_ARB:
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*flags = attribs[i * 2 + 1];
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break;
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case GLX_RENDER_TYPE:
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break;
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default:
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/* If an unknown attribute is received, fail.
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*/
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*error = BadValue;
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return False;
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}
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}
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/* Unknown flag value.
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*/
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if (*flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_FORWARD_COMPATIBLE)) {
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*error = BadValue;
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return False;
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}
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*error = Success;
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return True;
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}
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static void
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create_driver_context(__GLXDRIcontext * context,
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__GLXDRIscreen * screen,
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__GLXDRIconfig * config,
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__DRIcontext * driShare,
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unsigned num_attribs,
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const uint32_t *attribs,
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int *error)
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{
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context->driContext = NULL;
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#if __DRI_DRI2_VERSION >= 3
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if (screen->dri2->base.version >= 3) {
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uint32_t ctx_attribs[3 * 2];
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unsigned num_ctx_attribs = 0;
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unsigned dri_err = 0;
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unsigned major_ver;
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unsigned minor_ver;
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uint32_t flags;
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if (num_attribs != 0) {
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if (!dri2_convert_glx_attribs(num_attribs, attribs,
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&major_ver, &minor_ver,
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&flags, (unsigned *) error))
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return NULL;
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MAJOR_VERSION;
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ctx_attribs[num_ctx_attribs++] = major_ver;
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_MINOR_VERSION;
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ctx_attribs[num_ctx_attribs++] = minor_ver;
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if (flags != 0) {
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ctx_attribs[num_ctx_attribs++] = __DRI_CTX_ATTRIB_FLAGS;
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/* The current __DRI_CTX_FLAG_* values are identical to the
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* GLX_CONTEXT_*_BIT values.
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*/
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ctx_attribs[num_ctx_attribs++] = flags;
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}
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}
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context->driContext =
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(*screen->dri2->createContextAttribs)(screen->driScreen,
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__DRI_API_OPENGL,
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config->driConfig,
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driShare,
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num_ctx_attribs / 2,
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ctx_attribs,
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&dri_err,
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context);
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switch (dri_err) {
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case __DRI_CTX_ERROR_SUCCESS:
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*error = Success;
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break;
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case __DRI_CTX_ERROR_NO_MEMORY:
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*error = BadAlloc;
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break;
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case __DRI_CTX_ERROR_BAD_API:
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*error = __glXError(GLXBadProfileARB);
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break;
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case __DRI_CTX_ERROR_BAD_VERSION:
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case __DRI_CTX_ERROR_BAD_FLAG:
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*error = __glXError(GLXBadFBConfig);
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break;
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case __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE:
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case __DRI_CTX_ERROR_UNKNOWN_FLAG:
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default:
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*error = BadValue;
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break;
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}
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return;
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}
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#endif
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if (num_attribs != 0) {
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*error = BadValue;
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return;
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}
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context->driContext =
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(*screen->dri2->createNewContext) (screen->driScreen,
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config->driConfig,
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driShare, context);
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}
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static __GLXcontext *
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static __GLXcontext *
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__glXDRIscreenCreateContext(__GLXscreen * baseScreen,
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__glXDRIscreenCreateContext(__GLXscreen * baseScreen,
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__GLXconfig * glxConfig,
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__GLXconfig * glxConfig,
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@ -397,8 +535,10 @@ __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
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driShare = NULL;
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driShare = NULL;
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context = calloc(1, sizeof *context);
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context = calloc(1, sizeof *context);
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if (context == NULL)
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if (context == NULL) {
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*error = BadAlloc;
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return NULL;
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return NULL;
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}
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context->base.destroy = __glXDRIcontextDestroy;
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context->base.destroy = __glXDRIcontextDestroy;
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context->base.makeCurrent = __glXDRIcontextMakeCurrent;
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context->base.makeCurrent = __glXDRIcontextMakeCurrent;
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@ -407,10 +547,8 @@ __glXDRIscreenCreateContext(__GLXscreen * baseScreen,
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context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
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context->base.textureFromPixmap = &__glXDRItextureFromPixmap;
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context->base.wait = __glXDRIcontextWait;
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context->base.wait = __glXDRIcontextWait;
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context->driContext =
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create_driver_context(context, screen, config, driShare, num_attribs,
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(*screen->dri2->createNewContext) (screen->driScreen,
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attribs, error);
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config->driConfig,
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driShare, context);
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if (context->driContext == NULL) {
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if (context->driContext == NULL) {
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free(context);
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free(context);
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return NULL;
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return NULL;
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@ -646,6 +784,14 @@ initializeExtensions(__GLXDRIscreen * screen)
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__glXEnableExtension(screen->glx_enable_bits, "GLX_INTEL_swap_event");
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__glXEnableExtension(screen->glx_enable_bits, "GLX_INTEL_swap_event");
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LogMessage(X_INFO, "AIGLX: enabled GLX_INTEL_swap_event\n");
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LogMessage(X_INFO, "AIGLX: enabled GLX_INTEL_swap_event\n");
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#if __DRI_DRI2_VERSION >= 3
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if (screen->dri2->base.version >= 3) {
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__glXEnableExtension(screen->glx_enable_bits,
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"GLX_ARB_create_context");
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LogMessage(X_INFO, "AIGLX: enabled GLX_ARB_create_context\n");
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}
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#endif
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if (DRI2HasSwapControl(pScreen)) {
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if (DRI2HasSwapControl(pScreen)) {
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__glXEnableExtension(screen->glx_enable_bits, "GLX_SGI_swap_control");
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__glXEnableExtension(screen->glx_enable_bits, "GLX_SGI_swap_control");
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__glXEnableExtension(screen->glx_enable_bits, "GLX_MESA_swap_control");
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__glXEnableExtension(screen->glx_enable_bits, "GLX_MESA_swap_control");
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