Bool
AllocateGlyphPrivate (ScreenPtr pScreen,
int index2,
unsigned amount)
{
PictureScreenPtr ps;
unsigned oldamount;
ps = GetPictureScreenIfSet (pScreen);
if (!ps)
return FALSE;
/* Round up sizes for proper alignment */
amount = ((amount + (sizeof (DevUnion) - 1)) / sizeof (DevUnion)) *
sizeof (DevUnion);
if (index2 >= ps->glyphPrivateLen)
{
unsigned *nsizes;
nsizes = (unsigned *) xrealloc (ps->glyphPrivateSizes,
(index2 + 1) * sizeof (unsigned));
if (!nsizes)
return FALSE;
while (ps->glyphPrivateLen <= index2)
{
nsizes[ps->glyphPrivateLen++] = 0;
ps->totalGlyphPrivateSize += sizeof (DevUnion);
}
ps->glyphPrivateSizes = nsizes;
}
oldamount = ps->glyphPrivateSizes[index2];
if (amount > oldamount)
{
ps->glyphPrivateSizes[index2] = amount;
ps->totalGlyphPrivateSize += (amount - oldamount);
}
ps->totalGlyphPrivateSize = BitmapBytePad (ps->totalGlyphPrivateSize * 8);
return TRUE;
}
/* Screen funcs */
static Bool
VGAarbiterCloseScreen (int i, ScreenPtr pScreen)
{
Bool val;
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
VGAarbiterScreenPtr pScreenPriv = (VGAarbiterScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, VGAarbiterScreenKey);
miPointerScreenPtr PointPriv = (miPointerScreenPtr)dixLookupPrivate(
&pScreen->devPrivates, miPointerScreenKey);
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
UNWRAP_SCREEN(CreateGC);
UNWRAP_SCREEN(CloseScreen);
UNWRAP_SCREEN(GetImage);
UNWRAP_SCREEN(GetSpans);
UNWRAP_SCREEN(SourceValidate);
UNWRAP_SCREEN(CopyWindow);
UNWRAP_SCREEN(ClearToBackground);
UNWRAP_SCREEN(SaveScreen);
UNWRAP_SCREEN(StoreColors);
UNWRAP_SCREEN(DisplayCursor);
UNWRAP_SCREEN(RealizeCursor);
UNWRAP_SCREEN(UnrealizeCursor);
UNWRAP_SCREEN(RecolorCursor);
UNWRAP_SCREEN(SetCursorPosition);
UNWRAP_PICT(Composite);
UNWRAP_PICT(Glyphs);
UNWRAP_PICT(CompositeRects);
UNWRAP_SCREEN_INFO(AdjustFrame);
UNWRAP_SCREEN_INFO(SwitchMode);
UNWRAP_SCREEN_INFO(EnterVT);
UNWRAP_SCREEN_INFO(LeaveVT);
UNWRAP_SCREEN_INFO(FreeScreen);
UNWRAP_SPRITE;
free((pointer) pScreenPriv);
xf86VGAarbiterLock(xf86Screens[i]);
val = (*pScreen->CloseScreen) (i, pScreen);
xf86VGAarbiterUnlock(xf86Screens[i]);
return val;
}
static Bool
cwCloseScreen (int i, ScreenPtr pScreen)
{
cwScreenPtr pScreenPriv;
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
pScreenPriv = (cwScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
cwScreenKey);
pScreen->CloseScreen = pScreenPriv->CloseScreen;
pScreen->GetImage = pScreenPriv->GetImage;
pScreen->GetSpans = pScreenPriv->GetSpans;
pScreen->CreateGC = pScreenPriv->CreateGC;
pScreen->CopyWindow = pScreenPriv->CopyWindow;
if (ps)
cwFiniRender(pScreen);
free((pointer)pScreenPriv);
return (*pScreen->CloseScreen)(i, pScreen);
}
static Bool
ReallocGlobalGlyphPrivate (GlyphPtr glyph)
{
PictureScreenPtr ps;
DevUnion *devPrivates;
char *ptr;
int i;
devPrivates = xalloc (globalTotalGlyphPrivateSize);
if (!devPrivates)
return FALSE;
ptr = (char *) devPrivates;
for (i = 0; i < screenInfo.numScreens; i++)
{
ps = GetPictureScreenIfSet (screenInfo.screens[i]);
if (ps && ps->totalGlyphPrivateSize)
{
if (ps->glyphPrivateOffset != -1)
{
memcpy (ptr, glyph->devPrivates + ps->glyphPrivateOffset,
ps->totalGlyphPrivateSize);
}
else if (ps->totalGlyphPrivateSize)
{
memset (ptr, 0, ps->totalGlyphPrivateSize);
}
ptr += ps->totalGlyphPrivateSize;
}
}
if (glyph->devPrivates)
xfree (glyph->devPrivates);
glyph->devPrivates = devPrivates;
return TRUE;
}
void
vmwareCursorHookWrappers(ScreenPtr pScreen)
{
VMWAREPtr pVMWARE = VMWAREPTR(infoFromScreen(pScreen));
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
#endif
TRACEPOINT
pVMWARE->ScrnFuncs.GetImage = pScreen->GetImage;
pVMWARE->ScrnFuncs.CopyWindow = pScreen->CopyWindow;
pScreen->GetImage = VMWAREGetImage;
pScreen->CopyWindow = VMWARECopyWindow;
#ifdef RENDER
if (ps) {
pVMWARE->Composite = ps->Composite;
ps->Composite = VMWAREComposite;
}
#endif /* RENDER */
}
static Bool
ShadowCloseScreen(int i, ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
pScreen->CloseScreen = pPriv->CloseScreen;
pScreen->CopyWindow = pPriv->CopyWindow;
pScreen->CreateGC = pPriv->CreateGC;
pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader;
pScrn->EnterVT = pPriv->EnterVT;
pScrn->LeaveVT = pPriv->LeaveVT;
if (ps) {
ps->Composite = pPriv->Composite;
}
free((pointer) pPriv);
return (*pScreen->CloseScreen) (i, pScreen);
}
Bool
glamor_close_screen(ScreenPtr screen)
{
glamor_screen_private *glamor_priv;
PixmapPtr screen_pixmap;
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
glamor_priv = glamor_get_screen_private(screen);
glamor_sync_close(screen);
glamor_composite_glyphs_fini(screen);
screen->CloseScreen = glamor_priv->saved_procs.close_screen;
screen->CreateScreenResources =
glamor_priv->saved_procs.create_screen_resources;
screen->CreateGC = glamor_priv->saved_procs.create_gc;
screen->CreatePixmap = glamor_priv->saved_procs.create_pixmap;
screen->DestroyPixmap = glamor_priv->saved_procs.destroy_pixmap;
screen->GetSpans = glamor_priv->saved_procs.get_spans;
screen->ChangeWindowAttributes =
glamor_priv->saved_procs.change_window_attributes;
screen->CopyWindow = glamor_priv->saved_procs.copy_window;
screen->BitmapToRegion = glamor_priv->saved_procs.bitmap_to_region;
screen->BlockHandler = glamor_priv->saved_procs.block_handler;
ps->Composite = glamor_priv->saved_procs.composite;
ps->Trapezoids = glamor_priv->saved_procs.trapezoids;
ps->Triangles = glamor_priv->saved_procs.triangles;
ps->CompositeRects = glamor_priv->saved_procs.composite_rects;
ps->Glyphs = glamor_priv->saved_procs.glyphs;
screen_pixmap = screen->GetScreenPixmap(screen);
glamor_pixmap_destroy_fbo(screen_pixmap);
glamor_release_screen_priv(screen);
return screen->CloseScreen(screen);
}
/* Screen initialization/teardown */
void
miInitializeCompositeWrapper(ScreenPtr pScreen)
{
cwScreenPtr pScreenPriv;
Bool has_render = GetPictureScreenIfSet(pScreen) != NULL;
if (!dixRegisterPrivateKey(&cwScreenKeyRec, PRIVATE_SCREEN, 0))
return;
if (!dixRegisterPrivateKey(&cwGCKeyRec, PRIVATE_GC, sizeof(cwGCRec)))
return;
if (!dixRegisterPrivateKey(&cwWindowKeyRec, PRIVATE_WINDOW, 0))
return;
if (!dixRegisterPrivateKey(&cwPictureKeyRec, PRIVATE_PICTURE, 0))
return;
pScreenPriv = malloc(sizeof(cwScreenRec));
if (!pScreenPriv)
return;
dixSetPrivate(&pScreen->devPrivates, cwScreenKey, pScreenPriv);
SCREEN_EPILOGUE(pScreen, CloseScreen, cwCloseScreen);
SCREEN_EPILOGUE(pScreen, GetImage, cwGetImage);
SCREEN_EPILOGUE(pScreen, GetSpans, cwGetSpans);
SCREEN_EPILOGUE(pScreen, CreateGC, cwCreateGC);
SCREEN_EPILOGUE(pScreen, CopyWindow, cwCopyWindow);
SCREEN_EPILOGUE(pScreen, SetWindowPixmap, cwSetWindowPixmap);
SCREEN_EPILOGUE(pScreen, GetWindowPixmap, cwGetWindowPixmap);
if (has_render)
cwInitializeRender(pScreen);
}
Bool
kaaDrawInit (ScreenPtr pScreen,
KaaScreenInfoPtr pScreenInfo)
{
KaaScreenPrivPtr pKaaScr;
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
#endif
if (kaaGeneration != serverGeneration)
{
kaaScreenPrivateIndex = AllocateScreenPrivateIndex();
kaaPixmapPrivateIndex = AllocatePixmapPrivateIndex();
kaaGeneration = serverGeneration;
}
pKaaScr = xalloc (sizeof (KaaScreenPrivRec));
if (!pKaaScr)
return FALSE;
pKaaScr->info = pScreenInfo;
pScreen->devPrivates[kaaScreenPrivateIndex].ptr = (pointer) pKaaScr;
/*
* Hook up asynchronous drawing
*/
KdScreenInitAsync (pScreen);
/*
* Replace various fb screen functions
*/
pScreen->CreateGC = kaaCreateGC;
pScreen->CopyWindow = kaaCopyWindow;
pScreen->PaintWindowBackground = kaaPaintWindow;
pScreen->PaintWindowBorder = kaaPaintWindow;
#ifdef RENDER
if (ps) {
ps->Composite = kaaComposite;
ps->RasterizeTrapezoid = kaaRasterizeTrapezoid;
}
#endif
/*
* Hookup offscreen pixmaps
*/
if ((pKaaScr->info->flags & KAA_OFFSCREEN_PIXMAPS) &&
screen->off_screen_base < screen->memory_size)
{
if (!AllocatePixmapPrivate(pScreen, kaaPixmapPrivateIndex,
sizeof (KaaPixmapPrivRec)))
return FALSE;
pScreen->CreatePixmap = kaaCreatePixmap;
pScreen->DestroyPixmap = kaaDestroyPixmap;
}
else
{
if (!AllocatePixmapPrivate(pScreen, kaaPixmapPrivateIndex, 0))
return FALSE;
}
return TRUE;
}
Bool
XAAInit(ScreenPtr pScreen, XAAInfoRecPtr infoRec)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
XAAScreenPtr pScreenPriv;
int i;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
#endif
/* Return successfully if no acceleration wanted */
if (!infoRec)
return TRUE;
if (XAAGeneration != serverGeneration) {
if ( ((XAAScreenIndex = AllocateScreenPrivateIndex()) < 0) ||
((XAAGCIndex = AllocateGCPrivateIndex()) < 0) ||
((XAAPixmapIndex = AllocatePixmapPrivateIndex()) < 0))
return FALSE;
XAAGeneration = serverGeneration;
}
if (!AllocateGCPrivate(pScreen, XAAGCIndex, sizeof(XAAGCRec)))
return FALSE;
if (!AllocatePixmapPrivate(pScreen, XAAPixmapIndex, sizeof(XAAPixmapRec)))
return FALSE;
if (!(pScreenPriv = xalloc(sizeof(XAAScreenRec))))
return FALSE;
pScreen->devPrivates[XAAScreenIndex].ptr = (pointer)pScreenPriv;
if(!xf86FBManagerRunning(pScreen))
infoRec->Flags &= ~(PIXMAP_CACHE | OFFSCREEN_PIXMAPS);
if(!(infoRec->Flags & LINEAR_FRAMEBUFFER))
infoRec->Flags &= ~OFFSCREEN_PIXMAPS;
if(!infoRec->FullPlanemask) { /* for backwards compatibility */
infoRec->FullPlanemask = (1 << pScrn->depth) - 1;
infoRec->FullPlanemasks[pScrn->depth - 1] = infoRec->FullPlanemask;
}
for(i = 0; i < 32; i++) {
if(!infoRec->FullPlanemasks[i]) /* keep any set by caller */
infoRec->FullPlanemasks[i] = (1 << (i+1)) - 1;
}
if(!XAAInitAccel(pScreen, infoRec)) return FALSE;
pScreenPriv->AccelInfoRec = infoRec;
infoRec->ScratchGC.pScreen = pScreen;
if(!infoRec->GetImage)
infoRec->GetImage = XAAGetImage;
if(!infoRec->GetSpans)
infoRec->GetSpans = XAAGetSpans;
if(!infoRec->PaintWindowBackground)
infoRec->PaintWindowBackground = XAAPaintWindow;
if(!infoRec->PaintWindowBorder)
infoRec->PaintWindowBorder = XAAPaintWindow;
if(!infoRec->CopyWindow)
infoRec->CopyWindow = XAACopyWindow;
if(!infoRec->SaveAreas)
infoRec->SaveAreas = XAASaveAreas;
if(!infoRec->RestoreAreas)
infoRec->RestoreAreas = XAARestoreAreas;
pScreenPriv->CreateGC = pScreen->CreateGC;
pScreen->CreateGC = XAACreateGC;
pScreenPriv->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = XAACloseScreen;
pScreenPriv->GetImage = pScreen->GetImage;
pScreen->GetImage = infoRec->GetImage;
pScreenPriv->GetSpans = pScreen->GetSpans;
pScreen->GetSpans = infoRec->GetSpans;
pScreenPriv->PaintWindowBackground = pScreen->PaintWindowBackground;
pScreen->PaintWindowBackground = infoRec->PaintWindowBackground;
pScreenPriv->PaintWindowBorder = pScreen->PaintWindowBorder;
pScreen->PaintWindowBorder = infoRec->PaintWindowBorder;
pScreenPriv->CopyWindow = pScreen->CopyWindow;
pScreen->CopyWindow = infoRec->CopyWindow;
pScreenPriv->CreatePixmap = pScreen->CreatePixmap;
pScreen->CreatePixmap = XAACreatePixmap;
pScreenPriv->DestroyPixmap = pScreen->DestroyPixmap;
pScreen->DestroyPixmap = XAADestroyPixmap;
pScreenPriv->BackingStoreFuncs.RestoreAreas =
pScreen->BackingStoreFuncs.RestoreAreas;
pScreen->BackingStoreFuncs.RestoreAreas = infoRec->RestoreAreas;
pScreenPriv->BackingStoreFuncs.SaveAreas =
pScreen->BackingStoreFuncs.SaveAreas;
pScreen->BackingStoreFuncs.SaveAreas = infoRec->SaveAreas;
pScreenPriv->ChangeWindowAttributes = pScreen->ChangeWindowAttributes;
pScreen->ChangeWindowAttributes = XAAChangeWindowAttributes;
pScreenPriv->EnterVT = pScrn->EnterVT;
pScrn->EnterVT = XAAEnterVT;
pScreenPriv->LeaveVT = pScrn->LeaveVT;
pScrn->LeaveVT = XAALeaveVT;
pScreenPriv->SetDGAMode = pScrn->SetDGAMode;
pScrn->SetDGAMode = XAASetDGAMode;
pScreenPriv->EnableDisableFBAccess = pScrn->EnableDisableFBAccess;
pScrn->EnableDisableFBAccess = XAAEnableDisableFBAccess;
pScreenPriv->WindowExposures = pScreen->WindowExposures;
#ifdef RENDER
if (ps)
{
pScreenPriv->Composite = ps->Composite;
ps->Composite = XAAComposite;
pScreenPriv->Glyphs = ps->Glyphs;
ps->Glyphs = XAAGlyphs;
}
#endif
if(pScrn->overlayFlags & OVERLAY_8_32_PLANAR)
XAASetupOverlay8_32Planar(pScreen);
infoRec->PreAllocMem = xalloc(MAX_PREALLOC_MEM);
if(infoRec->PreAllocMem)
infoRec->PreAllocSize = MAX_PREALLOC_MEM;
if(infoRec->Flags & PIXMAP_CACHE)
xf86RegisterFreeBoxCallback(pScreen, infoRec->InitPixmapCache,
(pointer)infoRec);
if(infoRec->Flags & MICROSOFT_ZERO_LINE_BIAS)
miSetZeroLineBias(pScreen, OCTANT1 | OCTANT2 | OCTANT3 | OCTANT4);
#ifdef COMPOSITE
/* Initialize the composite wrapper. This needs to happen after the
* wrapping above (so it comes before us), but before all other extensions,
* so it doesn't confuse them. (particularly damage).
*/
miInitializeCompositeWrapper(pScreen);
#endif
return TRUE;
}
/** Set up glamor for an already-configured GL context. */
Bool
glamor_init(ScreenPtr screen, unsigned int flags)
{
glamor_screen_private *glamor_priv;
int gl_version;
int max_viewport_size[2];
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
#endif
if (flags & ~GLAMOR_VALID_FLAGS) {
ErrorF("glamor_init: Invalid flags %x\n", flags);
return FALSE;
}
glamor_priv = calloc(1, sizeof(*glamor_priv));
if (glamor_priv == NULL)
return FALSE;
glamor_priv->flags = flags;
if (!dixRegisterPrivateKey(&glamor_screen_private_key, PRIVATE_SCREEN, 0)) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate screen private\n",
screen->myNum);
goto fail;
}
glamor_set_screen_private(screen, glamor_priv);
if (!dixRegisterPrivateKey(&glamor_pixmap_private_key, PRIVATE_PIXMAP, 0)) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate pixmap private\n",
screen->myNum);
goto fail;
}
if (!dixRegisterPrivateKey(&glamor_gc_private_key, PRIVATE_GC,
sizeof (glamor_gc_private))) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate gc private\n",
screen->myNum);
goto fail;
}
if (epoxy_is_desktop_gl())
glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
else
glamor_priv->gl_flavor = GLAMOR_GL_ES2;
gl_version = epoxy_gl_version();
/* Would be nice to have a cleaner test for GLSL 1.30 support,
* but for now this should suffice
*/
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP && gl_version >= 30)
glamor_priv->glsl_version = 130;
else
glamor_priv->glsl_version = 120;
/* We'd like to require GL_ARB_map_buffer_range or
* GL_OES_map_buffer_range, since it offers more information to
* the driver than plain old glMapBuffer() or glBufferSubData().
* It's been supported on Mesa on the desktop since 2009 and on
* GLES2 since October 2012. It's supported on Apple's iOS
* drivers for SGX535 and A7, but apparently not on most Android
* devices (the OES extension spec wasn't released until June
* 2012).
*
* 82% of 0 A.D. players (desktop GL) submitting hardware reports
* have support for it, with most of the ones lacking it being on
* Windows with Intel 4-series (G45) graphics or older.
*/
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
if (gl_version < 21) {
ErrorF("Require OpenGL version 2.1 or later.\n");
goto fail;
}
} else {
if (gl_version < 20) {
ErrorF("Require Open GLES2.0 or later.\n");
goto fail;
}
if (!epoxy_has_gl_extension("GL_EXT_texture_format_BGRA8888")) {
ErrorF("GL_EXT_texture_format_BGRA8888 required\n");
goto fail;
}
}
glamor_priv->has_rw_pbo = FALSE;
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP)
glamor_priv->has_rw_pbo = TRUE;
glamor_priv->has_khr_debug = epoxy_has_gl_extension("GL_KHR_debug");
glamor_priv->has_pack_invert =
epoxy_has_gl_extension("GL_MESA_pack_invert");
glamor_priv->has_fbo_blit =
epoxy_has_gl_extension("GL_EXT_framebuffer_blit");
glamor_priv->has_map_buffer_range =
epoxy_has_gl_extension("GL_ARB_map_buffer_range");
glamor_priv->has_buffer_storage =
epoxy_has_gl_extension("GL_ARB_buffer_storage");
glamor_priv->has_nv_texture_barrier =
epoxy_has_gl_extension("GL_NV_texture_barrier");
glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &glamor_priv->max_fbo_size);
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &glamor_priv->max_fbo_size);
glGetIntegerv(GL_MAX_VIEWPORT_DIMS, max_viewport_size);
glamor_priv->max_fbo_size = MIN(glamor_priv->max_fbo_size, max_viewport_size[0]);
glamor_priv->max_fbo_size = MIN(glamor_priv->max_fbo_size, max_viewport_size[1]);
#ifdef MAX_FBO_SIZE
glamor_priv->max_fbo_size = MAX_FBO_SIZE;
#endif
glamor_set_debug_level(&glamor_debug_level);
/* If we are using egl screen, call egl screen init to
* register correct close screen function. */
if (flags & GLAMOR_USE_EGL_SCREEN) {
glamor_egl_screen_init(screen, &glamor_priv->ctx);
} else {
if (!glamor_glx_screen_init(&glamor_priv->ctx))
goto fail;
}
glamor_priv->saved_procs.close_screen = screen->CloseScreen;
screen->CloseScreen = glamor_close_screen;
glamor_priv->saved_procs.create_screen_resources =
screen->CreateScreenResources;
screen->CreateScreenResources = glamor_create_screen_resources;
if (!glamor_font_init(screen))
goto fail;
if (flags & GLAMOR_USE_SCREEN) {
if (!RegisterBlockAndWakeupHandlers(_glamor_block_handler,
_glamor_wakeup_handler,
glamor_priv)) {
goto fail;
}
glamor_priv->saved_procs.create_gc = screen->CreateGC;
screen->CreateGC = glamor_create_gc;
glamor_priv->saved_procs.create_pixmap = screen->CreatePixmap;
screen->CreatePixmap = glamor_create_pixmap;
glamor_priv->saved_procs.destroy_pixmap = screen->DestroyPixmap;
screen->DestroyPixmap = glamor_destroy_pixmap;
glamor_priv->saved_procs.get_spans = screen->GetSpans;
screen->GetSpans = glamor_get_spans;
glamor_priv->saved_procs.get_image = screen->GetImage;
screen->GetImage = glamor_get_image;
glamor_priv->saved_procs.change_window_attributes =
screen->ChangeWindowAttributes;
screen->ChangeWindowAttributes = glamor_change_window_attributes;
glamor_priv->saved_procs.copy_window = screen->CopyWindow;
screen->CopyWindow = glamor_copy_window;
glamor_priv->saved_procs.bitmap_to_region = screen->BitmapToRegion;
screen->BitmapToRegion = glamor_bitmap_to_region;
}
#ifdef RENDER
if (flags & GLAMOR_USE_PICTURE_SCREEN) {
glamor_priv->saved_procs.composite = ps->Composite;
ps->Composite = glamor_composite;
glamor_priv->saved_procs.trapezoids = ps->Trapezoids;
ps->Trapezoids = glamor_trapezoids;
glamor_priv->saved_procs.triangles = ps->Triangles;
ps->Triangles = glamor_triangles;
glamor_priv->saved_procs.addtraps = ps->AddTraps;
ps->AddTraps = glamor_add_traps;
}
glamor_priv->saved_procs.composite_rects = ps->CompositeRects;
ps->CompositeRects = glamor_composite_rectangles;
glamor_priv->saved_procs.glyphs = ps->Glyphs;
ps->Glyphs = glamor_glyphs;
glamor_priv->saved_procs.unrealize_glyph = ps->UnrealizeGlyph;
ps->UnrealizeGlyph = glamor_glyph_unrealize;
glamor_priv->saved_procs.create_picture = ps->CreatePicture;
ps->CreatePicture = glamor_create_picture;
glamor_priv->saved_procs.destroy_picture = ps->DestroyPicture;
ps->DestroyPicture = glamor_destroy_picture;
glamor_init_composite_shaders(screen);
#endif
glamor_priv->saved_procs.set_window_pixmap = screen->SetWindowPixmap;
screen->SetWindowPixmap = glamor_set_window_pixmap;
glamor_init_vbo(screen);
glamor_init_pixmap_fbo(screen);
#ifdef GLAMOR_TRAPEZOID_SHADER
glamor_init_trapezoid_shader(screen);
#endif
glamor_init_finish_access_shaders(screen);
#ifdef GLAMOR_GRADIENT_SHADER
glamor_init_gradient_shader(screen);
#endif
glamor_pixmap_init(screen);
glamor_glyphs_init(screen);
glamor_sync_init(screen);
glamor_priv->screen = screen;
return TRUE;
fail:
free(glamor_priv);
glamor_set_screen_private(screen, NULL);
return FALSE;
}
/**
* @param pScreen screen being initialized
* @param pScreenInfo UXA driver record
*
* uxa_driver_init sets up UXA given a driver record filled in by the driver.
* pScreenInfo should have been allocated by uxa_driver_alloc(). See the
* comments in _UxaDriver for what must be filled in and what is optional.
*
* @return TRUE if UXA was successfully initialized.
*/
Bool uxa_driver_init(ScreenPtr screen, uxa_driver_t * uxa_driver)
{
uxa_screen_t *uxa_screen;
ScrnInfoPtr scrn = xf86Screens[screen->myNum];
if (!uxa_driver)
return FALSE;
if (uxa_driver->uxa_major != UXA_VERSION_MAJOR ||
uxa_driver->uxa_minor > UXA_VERSION_MINOR) {
LogMessage(X_ERROR,
"UXA(%d): driver's UXA version requirements "
"(%d.%d) are incompatible with UXA version (%d.%d)\n",
screen->myNum, uxa_driver->uxa_major,
uxa_driver->uxa_minor, UXA_VERSION_MAJOR,
UXA_VERSION_MINOR);
return FALSE;
}
if (!uxa_driver->prepare_solid) {
LogMessage(X_ERROR,
"UXA(%d): uxa_driver_t::prepare_solid must be "
"non-NULL\n", screen->myNum);
return FALSE;
}
if (!uxa_driver->prepare_copy) {
LogMessage(X_ERROR,
"UXA(%d): uxa_driver_t::prepare_copy must be "
"non-NULL\n", screen->myNum);
return FALSE;
}
#if HAS_DIXREGISTERPRIVATEKEY
if (!dixRegisterPrivateKey(&uxa_screen_index, PRIVATE_SCREEN, 0))
return FALSE;
#endif
uxa_screen = calloc(sizeof(uxa_screen_t), 1);
if (!uxa_screen) {
LogMessage(X_WARNING,
"UXA(%d): Failed to allocate screen private\n",
screen->myNum);
return FALSE;
}
uxa_screen->info = uxa_driver;
dixSetPrivate(&screen->devPrivates, &uxa_screen_index, uxa_screen);
uxa_screen->force_fallback = FALSE;
uxa_screen->solid_cache_size = 0;
uxa_screen->solid_clear = 0;
uxa_screen->solid_black = 0;
uxa_screen->solid_white = 0;
// exaDDXDriverInit(screen);
/*
* Replace various fb screen functions
*/
uxa_screen->SavedCloseScreen = screen->CloseScreen;
screen->CloseScreen = uxa_close_screen;
uxa_screen->SavedCreateGC = screen->CreateGC;
screen->CreateGC = uxa_create_gc;
uxa_screen->SavedGetImage = screen->GetImage;
screen->GetImage = uxa_get_image;
uxa_screen->SavedGetSpans = screen->GetSpans;
screen->GetSpans = uxa_check_get_spans;
uxa_screen->SavedCopyWindow = screen->CopyWindow;
screen->CopyWindow = uxa_copy_window;
uxa_screen->SavedChangeWindowAttributes =
screen->ChangeWindowAttributes;
screen->ChangeWindowAttributes = uxa_change_window_attributes;
uxa_screen->SavedBitmapToRegion = screen->BitmapToRegion;
screen->BitmapToRegion = uxa_bitmap_to_region;
uxa_screen->SavedEnableDisableFBAccess = scrn->EnableDisableFBAccess;
scrn->EnableDisableFBAccess = uxa_xorg_enable_disable_fb_access;
#ifdef RENDER
{
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
if (ps) {
uxa_screen->SavedComposite = ps->Composite;
ps->Composite = uxa_composite;
uxa_screen->SavedCompositeRects = ps->CompositeRects;
ps->CompositeRects = uxa_solid_rects;
uxa_screen->SavedGlyphs = ps->Glyphs;
ps->Glyphs = uxa_glyphs;
uxa_screen->SavedUnrealizeGlyph = ps->UnrealizeGlyph;
ps->UnrealizeGlyph = uxa_glyph_unrealize;
uxa_screen->SavedTriangles = ps->Triangles;
ps->Triangles = uxa_triangles;
uxa_screen->SavedTrapezoids = ps->Trapezoids;
ps->Trapezoids = uxa_trapezoids;
uxa_screen->SavedAddTraps = ps->AddTraps;
ps->AddTraps = uxa_check_add_traps;
}
}
#endif
LogMessage(X_INFO,
"UXA(%d): Driver registered support for the following"
" operations:\n", screen->myNum);
assert(uxa_driver->prepare_solid != NULL);
LogMessage(X_INFO, " solid\n");
assert(uxa_driver->prepare_copy != NULL);
LogMessage(X_INFO, " copy\n");
if (uxa_driver->prepare_composite != NULL) {
LogMessage(X_INFO, " composite (RENDER acceleration)\n");
}
if (uxa_driver->put_image != NULL) {
LogMessage(X_INFO, " put_image\n");
}
if (uxa_driver->get_image != NULL) {
LogMessage(X_INFO, " get_image\n");
}
return TRUE;
}
Bool
radeon_glamor_init(ScreenPtr screen)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
RADEONInfoPtr info = RADEONPTR(scrn);
#ifdef RENDER
#ifdef HAVE_FBGLYPHS
UnrealizeGlyphProcPtr SavedUnrealizeGlyph = NULL;
#endif
PictureScreenPtr ps = NULL;
if (info->shadow_primary) {
ps = GetPictureScreenIfSet(screen);
if (ps) {
#ifdef HAVE_FBGLYPHS
SavedUnrealizeGlyph = ps->UnrealizeGlyph;
#endif
info->glamor.SavedGlyphs = ps->Glyphs;
info->glamor.SavedTriangles = ps->Triangles;
info->glamor.SavedTrapezoids = ps->Trapezoids;
}
}
#endif /* RENDER */
if (!glamor_init(screen, GLAMOR_USE_EGL_SCREEN | GLAMOR_USE_SCREEN |
GLAMOR_USE_PICTURE_SCREEN | GLAMOR_INVERTED_Y_AXIS |
GLAMOR_NO_DRI3)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to initialize glamor.\n");
return FALSE;
}
if (!glamor_egl_init_textured_pixmap(screen)) {
xf86DrvMsg(scrn->scrnIndex, X_ERROR,
"Failed to initialize textured pixmap of screen for glamor.\n");
return FALSE;
}
#if HAS_DIXREGISTERPRIVATEKEY
if (!dixRegisterPrivateKey(&glamor_pixmap_index, PRIVATE_PIXMAP, 0))
#else
if (!dixRequestPrivate(&glamor_pixmap_index, 0))
#endif
return FALSE;
if (info->shadow_primary)
radeon_glamor_screen_init(screen);
#if defined(RENDER) && defined(HAVE_FBGLYPHS)
/* For ShadowPrimary, we need fbUnrealizeGlyph instead of
* glamor_unrealize_glyph
*/
if (ps)
ps->UnrealizeGlyph = SavedUnrealizeGlyph;
#endif
screen->CreatePixmap = radeon_glamor_create_pixmap;
screen->DestroyPixmap = radeon_glamor_destroy_pixmap;
#ifdef RADEON_PIXMAP_SHARING
screen->SharePixmapBacking = radeon_glamor_share_pixmap_backing;
screen->SetSharedPixmapBacking = radeon_glamor_set_shared_pixmap_backing;
#endif
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Use GLAMOR acceleration.\n");
return TRUE;
}
Bool
xf86VGAarbiterWrapFunctions(void)
{
ScrnInfoPtr pScrn;
VGAarbiterScreenPtr pScreenPriv;
miPointerScreenPtr PointPriv;
PictureScreenPtr ps;
ScreenPtr pScreen;
int vga_count, i;
if (vga_no_arb)
return FALSE;
/*
* we need to wrap the arbiter if we have more than
* one VGA card - hotplug cries.
*/
pci_device_vgaarb_get_info(NULL, &vga_count, NULL);
if (vga_count < 2 || !xf86Screens)
return FALSE;
xf86Msg(X_INFO, "Found %d VGA devices: arbiter wrapping enabled\n",
vga_count);
for (i = 0; i < xf86NumScreens; i++) {
pScreen = xf86Screens[i]->pScreen;
ps = GetPictureScreenIfSet(pScreen);
pScrn = xf86ScreenToScrn(pScreen);
PointPriv = dixLookupPrivate(&pScreen->devPrivates, miPointerScreenKey);
if (!dixRegisterPrivateKey
(&VGAarbiterGCKeyRec, PRIVATE_GC, sizeof(VGAarbiterGCRec)))
return FALSE;
if (!dixRegisterPrivateKey(&VGAarbiterScreenKeyRec, PRIVATE_SCREEN, 0))
return FALSE;
if (!(pScreenPriv = malloc(sizeof(VGAarbiterScreenRec))))
return FALSE;
dixSetPrivate(&pScreen->devPrivates, VGAarbiterScreenKey, pScreenPriv);
WRAP_SCREEN(CloseScreen, VGAarbiterCloseScreen);
WRAP_SCREEN(SaveScreen, VGAarbiterSaveScreen);
WRAP_SCREEN(WakeupHandler, VGAarbiterWakeupHandler);
WRAP_SCREEN(BlockHandler, VGAarbiterBlockHandler);
WRAP_SCREEN(CreateGC, VGAarbiterCreateGC);
WRAP_SCREEN(GetImage, VGAarbiterGetImage);
WRAP_SCREEN(GetSpans, VGAarbiterGetSpans);
WRAP_SCREEN(SourceValidate, VGAarbiterSourceValidate);
WRAP_SCREEN(CopyWindow, VGAarbiterCopyWindow);
WRAP_SCREEN(ClearToBackground, VGAarbiterClearToBackground);
WRAP_SCREEN(CreatePixmap, VGAarbiterCreatePixmap);
WRAP_SCREEN(StoreColors, VGAarbiterStoreColors);
WRAP_SCREEN(DisplayCursor, VGAarbiterDisplayCursor);
WRAP_SCREEN(RealizeCursor, VGAarbiterRealizeCursor);
WRAP_SCREEN(UnrealizeCursor, VGAarbiterUnrealizeCursor);
WRAP_SCREEN(RecolorCursor, VGAarbiterRecolorCursor);
WRAP_SCREEN(SetCursorPosition, VGAarbiterSetCursorPosition);
WRAP_PICT(Composite, VGAarbiterComposite);
WRAP_PICT(Glyphs, VGAarbiterGlyphs);
WRAP_PICT(CompositeRects, VGAarbiterCompositeRects);
WRAP_SCREEN_INFO(AdjustFrame, VGAarbiterAdjustFrame);
WRAP_SCREEN_INFO(SwitchMode, VGAarbiterSwitchMode);
WRAP_SCREEN_INFO(EnterVT, VGAarbiterEnterVT);
WRAP_SCREEN_INFO(LeaveVT, VGAarbiterLeaveVT);
WRAP_SCREEN_INFO(FreeScreen, VGAarbiterFreeScreen);
WRAP_SPRITE;
}
return TRUE;
}
/** Set up glamor for an already-configured GL context. */
Bool
glamor_init(ScreenPtr screen, unsigned int flags)
{
glamor_screen_private *glamor_priv;
int gl_version;
int glsl_major, glsl_minor;
int max_viewport_size[2];
const char *shading_version_string;
int shading_version_offset;
PictureScreenPtr ps = GetPictureScreenIfSet(screen);
if (flags & ~GLAMOR_VALID_FLAGS) {
ErrorF("glamor_init: Invalid flags %x\n", flags);
return FALSE;
}
glamor_priv = calloc(1, sizeof(*glamor_priv));
if (glamor_priv == NULL)
return FALSE;
glamor_priv->flags = flags;
if (!dixRegisterPrivateKey(&glamor_screen_private_key, PRIVATE_SCREEN, 0)) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate screen private\n",
screen->myNum);
goto fail;
}
glamor_set_screen_private(screen, glamor_priv);
if (!dixRegisterPrivateKey(&glamor_pixmap_private_key, PRIVATE_PIXMAP,
sizeof(struct glamor_pixmap_private))) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate pixmap private\n",
screen->myNum);
goto fail;
}
if (!dixRegisterPrivateKey(&glamor_gc_private_key, PRIVATE_GC,
sizeof (glamor_gc_private))) {
LogMessage(X_WARNING,
"glamor%d: Failed to allocate gc private\n",
screen->myNum);
goto fail;
}
glamor_priv->saved_procs.close_screen = screen->CloseScreen;
screen->CloseScreen = glamor_close_screen;
/* If we are using egl screen, call egl screen init to
* register correct close screen function. */
if (flags & GLAMOR_USE_EGL_SCREEN) {
glamor_egl_screen_init(screen, &glamor_priv->ctx);
} else {
if (!glamor_glx_screen_init(&glamor_priv->ctx))
goto fail;
}
glamor_make_current(glamor_priv);
if (epoxy_is_desktop_gl())
glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
else
glamor_priv->gl_flavor = GLAMOR_GL_ES2;
gl_version = epoxy_gl_version();
shading_version_string = (char *) glGetString(GL_SHADING_LANGUAGE_VERSION);
if (!shading_version_string) {
LogMessage(X_WARNING,
"glamor%d: Failed to get GLSL version\n",
screen->myNum);
goto fail;
}
shading_version_offset = 0;
if (strncmp("OpenGL ES GLSL ES ", shading_version_string, 18) == 0)
shading_version_offset = 18;
if (sscanf(shading_version_string + shading_version_offset,
"%i.%i",
&glsl_major,
&glsl_minor) != 2) {
LogMessage(X_WARNING,
"glamor%d: Failed to parse GLSL version string %s\n",
screen->myNum, shading_version_string);
goto fail;
}
glamor_priv->glsl_version = glsl_major * 100 + glsl_minor;
if (glamor_priv->gl_flavor == GLAMOR_GL_ES2) {
/* Force us back to the base version of our programs on an ES
* context, anyway. Basically glamor only uses desktop 1.20
* or 1.30 currently. 1.30's new features are also present in
* ES 3.0, but our glamor_program.c constructions use a lot of
* compatibility features (to reduce the diff between 1.20 and
* 1.30 programs).
*/
glamor_priv->glsl_version = 120;
}
/* We'd like to require GL_ARB_map_buffer_range or
* GL_OES_map_buffer_range, since it offers more information to
* the driver than plain old glMapBuffer() or glBufferSubData().
* It's been supported on Mesa on the desktop since 2009 and on
* GLES2 since October 2012. It's supported on Apple's iOS
* drivers for SGX535 and A7, but apparently not on most Android
* devices (the OES extension spec wasn't released until June
* 2012).
*
* 82% of 0 A.D. players (desktop GL) submitting hardware reports
* have support for it, with most of the ones lacking it being on
* Windows with Intel 4-series (G45) graphics or older.
*/
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
if (gl_version < 21) {
ErrorF("Require OpenGL version 2.1 or later.\n");
goto fail;
}
if (!glamor_check_instruction_count(gl_version))
goto fail;
} else {
if (gl_version < 20) {
ErrorF("Require Open GLES2.0 or later.\n");
goto fail;
}
if (!epoxy_has_gl_extension("GL_EXT_texture_format_BGRA8888")) {
ErrorF("GL_EXT_texture_format_BGRA8888 required\n");
goto fail;
}
}
glamor_priv->has_rw_pbo = FALSE;
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP)
glamor_priv->has_rw_pbo = TRUE;
glamor_priv->has_khr_debug = epoxy_has_gl_extension("GL_KHR_debug");
glamor_priv->has_pack_invert =
epoxy_has_gl_extension("GL_MESA_pack_invert");
glamor_priv->has_fbo_blit =
epoxy_has_gl_extension("GL_EXT_framebuffer_blit");
glamor_priv->has_map_buffer_range =
epoxy_has_gl_extension("GL_ARB_map_buffer_range") ||
epoxy_has_gl_extension("GL_EXT_map_buffer_range");
glamor_priv->has_buffer_storage =
epoxy_has_gl_extension("GL_ARB_buffer_storage");
glamor_priv->has_nv_texture_barrier =
epoxy_has_gl_extension("GL_NV_texture_barrier");
glamor_priv->has_unpack_subimage =
glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP ||
epoxy_gl_version() >= 30 ||
epoxy_has_gl_extension("GL_EXT_unpack_subimage");
glamor_priv->has_pack_subimage =
glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP ||
epoxy_gl_version() >= 30 ||
epoxy_has_gl_extension("GL_NV_pack_subimage");
glamor_priv->has_vertex_array_object =
epoxy_has_gl_extension("GL_ARB_vertex_array_object");
glamor_priv->has_dual_blend =
epoxy_has_gl_extension("GL_ARB_blend_func_extended");
/* assume a core profile if we are GL 3.1 and don't have ARB_compatibility */
glamor_priv->is_core_profile =
gl_version >= 31 && !epoxy_has_gl_extension("GL_ARB_compatibility");
glamor_setup_debug_output(screen);
glamor_priv->use_quads = (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) &&
!glamor_priv->is_core_profile;
/* Driver-specific hack: Avoid using GL_QUADS on VC4, where
* they'll be emulated more expensively than we can with our
* cached IB.
*/
if (strstr((char *)glGetString(GL_VENDOR), "Broadcom") &&
strstr((char *)glGetString(GL_RENDERER), "VC4"))
glamor_priv->use_quads = FALSE;
glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE, &glamor_priv->max_fbo_size);
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &glamor_priv->max_fbo_size);
glGetIntegerv(GL_MAX_VIEWPORT_DIMS, max_viewport_size);
glamor_priv->max_fbo_size = MIN(glamor_priv->max_fbo_size, max_viewport_size[0]);
glamor_priv->max_fbo_size = MIN(glamor_priv->max_fbo_size, max_viewport_size[1]);
#ifdef MAX_FBO_SIZE
glamor_priv->max_fbo_size = MAX_FBO_SIZE;
#endif
glamor_priv->one_channel_format = GL_ALPHA;
if (epoxy_has_gl_extension("GL_ARB_texture_rg") && epoxy_has_gl_extension("GL_ARB_texture_swizzle"))
glamor_priv->one_channel_format = GL_RED;
glamor_set_debug_level(&glamor_debug_level);
glamor_priv->saved_procs.create_screen_resources =
screen->CreateScreenResources;
screen->CreateScreenResources = glamor_create_screen_resources;
if (!glamor_font_init(screen))
goto fail;
glamor_priv->saved_procs.block_handler = screen->BlockHandler;
screen->BlockHandler = _glamor_block_handler;
if (!glamor_composite_glyphs_init(screen)) {
ErrorF("Failed to initialize composite masks\n");
goto fail;
}
glamor_priv->saved_procs.create_gc = screen->CreateGC;
screen->CreateGC = glamor_create_gc;
glamor_priv->saved_procs.create_pixmap = screen->CreatePixmap;
screen->CreatePixmap = glamor_create_pixmap;
glamor_priv->saved_procs.destroy_pixmap = screen->DestroyPixmap;
screen->DestroyPixmap = glamor_destroy_pixmap;
glamor_priv->saved_procs.get_spans = screen->GetSpans;
screen->GetSpans = glamor_get_spans;
glamor_priv->saved_procs.get_image = screen->GetImage;
screen->GetImage = glamor_get_image;
glamor_priv->saved_procs.change_window_attributes =
screen->ChangeWindowAttributes;
screen->ChangeWindowAttributes = glamor_change_window_attributes;
glamor_priv->saved_procs.copy_window = screen->CopyWindow;
screen->CopyWindow = glamor_copy_window;
glamor_priv->saved_procs.bitmap_to_region = screen->BitmapToRegion;
screen->BitmapToRegion = glamor_bitmap_to_region;
glamor_priv->saved_procs.composite = ps->Composite;
ps->Composite = glamor_composite;
glamor_priv->saved_procs.trapezoids = ps->Trapezoids;
ps->Trapezoids = glamor_trapezoids;
glamor_priv->saved_procs.triangles = ps->Triangles;
ps->Triangles = glamor_triangles;
glamor_priv->saved_procs.addtraps = ps->AddTraps;
ps->AddTraps = glamor_add_traps;
glamor_priv->saved_procs.composite_rects = ps->CompositeRects;
ps->CompositeRects = glamor_composite_rectangles;
glamor_priv->saved_procs.glyphs = ps->Glyphs;
ps->Glyphs = glamor_composite_glyphs;
glamor_init_vbo(screen);
glamor_init_pixmap_fbo(screen);
glamor_init_finish_access_shaders(screen);
#ifdef GLAMOR_GRADIENT_SHADER
glamor_init_gradient_shader(screen);
#endif
glamor_pixmap_init(screen);
glamor_sync_init(screen);
glamor_priv->screen = screen;
return TRUE;
fail:
free(glamor_priv);
glamor_set_screen_private(screen, NULL);
return FALSE;
}
/**
* @param pScreen screen being initialized
* @param pScreenInfo EXA driver record
*
* exaDriverInit sets up EXA given a driver record filled in by the driver.
* pScreenInfo should have been allocated by exaDriverAlloc(). See the
* comments in _ExaDriver for what must be filled in and what is optional.
*
* @return TRUE if EXA was successfully initialized.
*/
Bool
exaDriverInit (ScreenPtr pScreen,
ExaDriverPtr pScreenInfo)
{
ExaScreenPrivPtr pExaScr;
#ifdef RENDER
PictureScreenPtr ps;
#endif
if (!pScreenInfo)
return FALSE;
if (!pScreenInfo->memoryBase) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::memoryBase must be "
"non-zero\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->memorySize) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::memorySize must be "
"non-zero\n", pScreen->myNum);
return FALSE;
}
if (pScreenInfo->offScreenBase > pScreenInfo->memorySize) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::offScreenBase must be <= "
"ExaDriverRec::memorySize\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->PrepareSolid) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::PrepareSolid must be "
"non-NULL\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->PrepareCopy) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::PrepareCopy must be "
"non-NULL\n", pScreen->myNum);
return FALSE;
}
if (!pScreenInfo->WaitMarker) {
LogMessage(X_ERROR, "EXA(%d): ExaDriverRec::WaitMarker must be "
"non-NULL\n", pScreen->myNum);
return FALSE;
}
if (pScreenInfo->exa_major != EXA_VERSION_MAJOR ||
pScreenInfo->exa_minor > EXA_VERSION_MINOR)
{
LogMessage(X_ERROR, "EXA(%d): driver's EXA version requirements "
"(%d.%d) are incompatible with EXA version (%d.%d)\n",
pScreen->myNum,
pScreenInfo->exa_major, pScreenInfo->exa_minor,
EXA_VERSION_MAJOR, EXA_VERSION_MINOR);
return FALSE;
}
#ifdef RENDER
ps = GetPictureScreenIfSet(pScreen);
#endif
if (exaGeneration != serverGeneration)
{
exaScreenPrivateIndex = AllocateScreenPrivateIndex();
exaPixmapPrivateIndex = AllocatePixmapPrivateIndex();
exaGeneration = serverGeneration;
}
pExaScr = xcalloc (sizeof (ExaScreenPrivRec), 1);
if (!pExaScr) {
LogMessage(X_WARNING, "EXA(%d): Failed to allocate screen private\n",
pScreen->myNum);
return FALSE;
}
pExaScr->info = pScreenInfo;
pScreen->devPrivates[exaScreenPrivateIndex].ptr = (pointer) pExaScr;
pExaScr->migration = ExaMigrationAlways;
exaDDXDriverInit(pScreen);
/*
* Replace various fb screen functions
*/
pExaScr->SavedCloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = exaCloseScreen;
pExaScr->SavedCreateGC = pScreen->CreateGC;
pScreen->CreateGC = exaCreateGC;
pExaScr->SavedGetImage = pScreen->GetImage;
pScreen->GetImage = exaGetImage;
pExaScr->SavedGetSpans = pScreen->GetSpans;
pScreen->GetSpans = exaGetSpans;
pExaScr->SavedCopyWindow = pScreen->CopyWindow;
pScreen->CopyWindow = exaCopyWindow;
pExaScr->SavedPaintWindowBackground = pScreen->PaintWindowBackground;
pScreen->PaintWindowBackground = exaPaintWindow;
pExaScr->SavedPaintWindowBorder = pScreen->PaintWindowBorder;
pScreen->PaintWindowBorder = exaPaintWindow;
pScreen->BackingStoreFuncs.SaveAreas = ExaCheckSaveAreas;
pScreen->BackingStoreFuncs.RestoreAreas = ExaCheckRestoreAreas;
#ifdef RENDER
if (ps) {
pExaScr->SavedComposite = ps->Composite;
ps->Composite = exaComposite;
pExaScr->SavedRasterizeTrapezoid = ps->RasterizeTrapezoid;
ps->RasterizeTrapezoid = exaRasterizeTrapezoid;
pExaScr->SavedAddTriangles = ps->AddTriangles;
ps->AddTriangles = exaAddTriangles;
pExaScr->SavedGlyphs = ps->Glyphs;
ps->Glyphs = exaGlyphs;
pExaScr->SavedTrapezoids = ps->Trapezoids;
ps->Trapezoids = exaTrapezoids;
}
#endif
#ifdef MITSHM
/* Re-register with the MI funcs, which don't allow shared pixmaps.
* Shared pixmaps are almost always a performance loss for us, but this
* still allows for SHM PutImage.
*/
ShmRegisterFuncs(pScreen, NULL);
#endif
/*
* Hookup offscreen pixmaps
*/
if ((pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS) &&
pExaScr->info->offScreenBase < pExaScr->info->memorySize)
{
if (!AllocatePixmapPrivate(pScreen, exaPixmapPrivateIndex,
sizeof (ExaPixmapPrivRec))) {
LogMessage(X_WARNING,
"EXA(%d): Failed to allocate pixmap private\n",
pScreen->myNum);
return FALSE;
}
pExaScr->SavedCreatePixmap = pScreen->CreatePixmap;
pScreen->CreatePixmap = exaCreatePixmap;
pExaScr->SavedDestroyPixmap = pScreen->DestroyPixmap;
pScreen->DestroyPixmap = exaDestroyPixmap;
LogMessage(X_INFO, "EXA(%d): Offscreen pixmap area of %d bytes\n",
pScreen->myNum,
pExaScr->info->memorySize - pExaScr->info->offScreenBase);
}
else
{
LogMessage(X_INFO, "EXA(%d): No offscreen pixmaps\n", pScreen->myNum);
if (!AllocatePixmapPrivate(pScreen, exaPixmapPrivateIndex, 0))
return FALSE;
}
DBG_PIXMAP(("============== %ld < %ld\n", pExaScr->info->offScreenBase,
pExaScr->info->memorySize));
if (pExaScr->info->offScreenBase < pExaScr->info->memorySize) {
if (!exaOffscreenInit (pScreen)) {
LogMessage(X_WARNING, "EXA(%d): Offscreen pixmap setup failed\n",
pScreen->myNum);
return FALSE;
}
}
LogMessage(X_INFO, "EXA(%d): Driver registered support for the following"
" operations:\n", pScreen->myNum);
assert(pScreenInfo->PrepareSolid != NULL);
LogMessage(X_INFO, " Solid\n");
assert(pScreenInfo->PrepareCopy != NULL);
LogMessage(X_INFO, " Copy\n");
if (pScreenInfo->PrepareComposite != NULL) {
LogMessage(X_INFO, " Composite (RENDER acceleration)\n");
}
if (pScreenInfo->UploadToScreen != NULL) {
LogMessage(X_INFO, " UploadToScreen\n");
}
if (pScreenInfo->DownloadFromScreen != NULL) {
LogMessage(X_INFO, " DownloadFromScreen\n");
}
return TRUE;
}
Bool
ShadowFBInit2 (
ScreenPtr pScreen,
RefreshAreaFuncPtr preRefreshArea,
RefreshAreaFuncPtr postRefreshArea
){
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
ShadowScreenPtr pPriv;
#ifdef RENDER
PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
#endif /* RENDER */
if(!preRefreshArea && !postRefreshArea) return FALSE;
if (ShadowGeneration != serverGeneration) {
if(((ShadowScreenIndex = AllocateScreenPrivateIndex ()) < 0) ||
((ShadowGCIndex = AllocateGCPrivateIndex()) < 0))
return FALSE;
ShadowGeneration = serverGeneration;
}
if(!AllocateGCPrivate(pScreen, ShadowGCIndex, sizeof(ShadowGCRec)))
return FALSE;
if(!(pPriv = (ShadowScreenPtr)xalloc(sizeof(ShadowScreenRec))))
return FALSE;
pScreen->devPrivates[ShadowScreenIndex].ptr = (pointer)pPriv;
pPriv->pScrn = pScrn;
pPriv->preRefresh = preRefreshArea;
pPriv->postRefresh = postRefreshArea;
pPriv->vtSema = TRUE;
pPriv->CloseScreen = pScreen->CloseScreen;
pPriv->PaintWindowBackground = pScreen->PaintWindowBackground;
pPriv->PaintWindowBorder = pScreen->PaintWindowBorder;
pPriv->CopyWindow = pScreen->CopyWindow;
pPriv->CreateGC = pScreen->CreateGC;
pPriv->RestoreAreas = pScreen->BackingStoreFuncs.RestoreAreas;
pPriv->ModifyPixmapHeader = pScreen->ModifyPixmapHeader;
pPriv->EnterVT = pScrn->EnterVT;
pPriv->LeaveVT = pScrn->LeaveVT;
pScreen->CloseScreen = ShadowCloseScreen;
pScreen->PaintWindowBackground = ShadowPaintWindow;
pScreen->PaintWindowBorder = ShadowPaintWindow;
pScreen->CopyWindow = ShadowCopyWindow;
pScreen->CreateGC = ShadowCreateGC;
pScreen->BackingStoreFuncs.RestoreAreas = ShadowRestoreAreas;
pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader;
pScrn->EnterVT = ShadowEnterVT;
pScrn->LeaveVT = ShadowLeaveVT;
#ifdef RENDER
if(ps) {
pPriv->Composite = ps->Composite;
ps->Composite = ShadowComposite;
}
#endif /* RENDER */
return TRUE;
}
