andreacavalli/xserver-multidpi
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Don't map the front buffer in libdri if the ddx driver doesn't set the size.

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This lets drivers map the front buffer themselves
by setting dontMapFramebuffer.
This commit is contained in:
Kristian Høgsberg 2007-06-15 15:29:00 -04:00 committed by Eric Anholt
parent cec793ef7a
commit 50cb6c7e44
3 changed files with 47 additions and 32 deletions
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70
hw/xfree86/dri/dri.c
View File

@ -311,6 +311,8 @@ DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
Bool xineramaInCore = FALSE;
DRIEntPrivPtr pDRIEntPriv;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
DRIContextFlags flags = 0;
DRIContextPrivPtr pDRIContextPriv;
/* If the DRI extension is disabled, do not initialize the DRI */
if (noXFree86DRIExtension) {
@ -416,23 +418,29 @@ DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
pDRIPriv->hLSAREA = pDRIEntPriv->hLSAREA;
pDRIPriv->pLSAREA = pDRIEntPriv->pLSAREA;
if (drmAddMap( pDRIPriv->drmFD,
(drm_handle_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress,
pDRIPriv->pDriverInfo->frameBufferSize,
DRM_FRAME_BUFFER,
0,
&pDRIPriv->hFrameBuffer) < 0)
if (!pDRIPriv->pDriverInfo->dontMapFrameBuffer)
{
pDRIPriv->directRenderingSupport = FALSE;
pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize);
drmClose(pDRIPriv->drmFD);
DRIDrvMsg(pScreen->myNum, X_INFO,
"[drm] drmAddMap failed\n");
return FALSE;
if (drmAddMap( pDRIPriv->drmFD,
(drm_handle_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress,
pDRIPriv->pDriverInfo->frameBufferSize,
DRM_FRAME_BUFFER,
0,
&pDRIPriv->pDriverInfo->hFrameBuffer) < 0)
{
pDRIPriv->directRenderingSupport = FALSE;
pScreen->devPrivates[DRIScreenPrivIndex].ptr = NULL;
drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize);
drmClose(pDRIPriv->drmFD);
DRIDrvMsg(pScreen->myNum, X_INFO,
"[drm] drmAddMap failed\n");
return FALSE;
}
DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n",
pDRIPriv->pDriverInfo->hFrameBuffer);
} else {
DRIDrvMsg(pScreen->myNum, X_INFO,
"[drm] framebuffer mapped by ddx driver\n");
}
DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n",
pDRIPriv->hFrameBuffer);
if (pDRIEntPriv->resOwner == NULL) {
pDRIEntPriv->resOwner = pScreen;
@ -479,21 +487,14 @@ DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
pDRIEntPriv->refCount++;
return TRUE;
}
Bool
DRIFinishScreenInit(ScreenPtr pScreen)
{
DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
DRIContextFlags flags = 0;
DRIContextPrivPtr pDRIContextPriv;
/* Set up flags for DRICreateContextPriv */
/* Set up flags for DRICreateContextPriv */
switch (pDRIInfo->driverSwapMethod) {
case DRI_KERNEL_SWAP: flags = DRI_CONTEXT_2DONLY; break;
case DRI_HIDE_X_CONTEXT: flags = DRI_CONTEXT_PRESERVED; break;
case DRI_KERNEL_SWAP:
flags = DRI_CONTEXT_2DONLY;
break;
case DRI_HIDE_X_CONTEXT:
flags = DRI_CONTEXT_PRESERVED;
break;
}
if (!(pDRIContextPriv = DRICreateContextPriv(pScreen,
@ -580,6 +581,15 @@ DRIFinishScreenInit(ScreenPtr pScreen)
break;
}
return TRUE;
}
Bool
DRIFinishScreenInit(ScreenPtr pScreen)
{
DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
/* Wrap DRI support */
if (pDRIInfo->wrap.ValidateTree) {
pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
@ -1592,7 +1602,7 @@ DRIGetDeviceInfo(ScreenPtr pScreen,
{
DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
*hFrameBuffer = pDRIPriv->hFrameBuffer;
*hFrameBuffer = pDRIPriv->pDriverInfo->hFrameBuffer;
*fbOrigin = 0;
*fbSize = pDRIPriv->pDriverInfo->frameBufferSize;
*fbStride = pDRIPriv->pDriverInfo->frameBufferStride;

8
hw/xfree86/dri/dri.h
View File

@ -107,7 +107,7 @@ typedef struct {
*/
#define DRIINFO_MAJOR_VERSION 5
#define DRIINFO_MINOR_VERSION 3
#define DRIINFO_MINOR_VERSION 4
#define DRIINFO_PATCH_VERSION 0
typedef unsigned long long (*DRITexOffsetStartProcPtr)(PixmapPtr pPix);
@ -187,6 +187,12 @@ typedef struct {
/* New with DRI version 5.3.0 */
DRITexOffsetStartProcPtr texOffsetStart;
DRITexOffsetFinishProcPtr texOffsetFinish;
/* New with DRI version 5.4.0 */
int dontMapFrameBuffer;
drm_handle_t hFrameBuffer; /* Handle to framebuffer, either
* mapped by DDX driver or DRI */
} DRIInfoRec, *DRIInfoPtr;

1
hw/xfree86/dri/dristruct.h
View File

@ -85,7 +85,6 @@ typedef struct _DRIScreenPrivRec
int drmFD; /* File descriptor for /dev/video/? */
drm_handle_t hSAREA; /* Handle to SAREA, for mapping */
XF86DRISAREAPtr pSAREA; /* Mapped pointer to SAREA */
drm_handle_t hFrameBuffer; /* Handle to framebuffer, for mapping */
drm_context_t myContext; /* DDX Driver's context */
DRIContextPrivPtr myContextPriv;/* Pointer to server's private area */
DRIContextPrivPtr lastPartial3DContext; /* last one partially saved */