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GLX/DRI2: expose swap control extensions if DDX support is present

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Export DDX swap control status from the DRI2 module and check for it in
GLX when initializing extensions.

Reviewed-by: Mario Kleiner <mario.kleiner@tuebingen.mpg.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Jesse Barnes 2010-03-23 09:47:08 -07:00
parent 5933b0abc6
commit 165a4a9c7d
3 changed files with 19 additions and 14 deletions
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23
glx/glxdri2.c
View File

@ -616,6 +616,7 @@ glxDRILeaveVT (int index, int flags)
static void
initializeExtensions(__GLXDRIscreen *screen)
{
ScreenPtr pScreen = screen->base.pScreen;
const __DRIextension **extensions;
int i;
@ -625,10 +626,17 @@ initializeExtensions(__GLXDRIscreen *screen)
"GLX_MESA_copy_sub_buffer");
LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n");
/* FIXME: only if DDX supports it */
__glXEnableExtension(screen->glx_enable_bits, "GLX_INTEL_swap_event");
LogMessage(X_INFO, "AIGLX: enabled GLX_INTEL_swap_event\n");
if (DRI2HasSwapControl(pScreen)) {
__glXEnableExtension(screen->glx_enable_bits,
"GLX_SGI_swap_control");
__glXEnableExtension(screen->glx_enable_bits,
"GLX_MESA_swap_control");
LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n");
}
for (i = 0; extensions[i]; i++) {
#ifdef __DRI_READ_DRAWABLE
if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {
@ -639,19 +647,6 @@ initializeExtensions(__GLXDRIscreen *screen)
}
#endif
#ifdef __DRI_SWAP_CONTROL
if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) {
screen->swapControl =
(const __DRIswapControlExtension *) extensions[i];
__glXEnableExtension(screen->glx_enable_bits,
"GLX_SGI_swap_control");
__glXEnableExtension(screen->glx_enable_bits,
"GLX_MESA_swap_control");
LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n");
}
#endif
#ifdef __DRI_TEX_BUFFER
if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) {
screen->texBuffer =

8
hw/xfree86/dri2/dri2.c
View File

@ -830,6 +830,14 @@ DRI2DestroyDrawable(DrawablePtr pDraw)
DRI2FreeDrawable(pDraw);
}
Bool
DRI2HasSwapControl(ScreenPtr pScreen)
{
DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
return (ds->ScheduleSwap && ds->GetMSC);
}
Bool
DRI2Connect(ScreenPtr pScreen, unsigned int driverType, int *fd,
const char **driverName, const char **deviceName)

2
hw/xfree86/dri2/dri2.h
View File

@ -188,6 +188,8 @@ extern _X_EXPORT Bool DRI2ScreenInit(ScreenPtr pScreen,
extern _X_EXPORT void DRI2CloseScreen(ScreenPtr pScreen);
extern _X_EXPORT Bool DRI2HasSwapControl(ScreenPtr pScreen);
extern _X_EXPORT Bool DRI2Connect(ScreenPtr pScreen,
unsigned int driverType,
int *fd,