rom/graphics/compositor_driver.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <aros/debug.h>
   7 #include <graphics/driver.h>
   8 #include <hidd/compositor.h>
   9 #include <oop/oop.h>
  10
  11 #include <proto/oop.h>
  12
  13 #include "graphics_intern.h"
  14 #include "compositor_driver.h"
  15 #include "dispinfo.h"
  16
  17 ULONG compositor_Install(OOP_Class *cl, struct GfxBase *GfxBase)
  18 {
  19     struct monitor_driverdata *mdd;
  20
  21     D(bug("[Compositor] Installing class 0x%p\n", cl));
  22
  23     /*
  24      * Completely lazy initialization.
  25      * It even can't be done in other way because OOP_GetMethodID() on an unregistered
  26      * interface will fail (unlike OOP_ObtainAttrBase).
  27      */
  28     if (!HiddCompositorAttrBase)
  29         HiddCompositorAttrBase = OOP_ObtainAttrBase(IID_Hidd_Compositor);
  30
  31     if (!HiddCompositorAttrBase)
  32         return DD_NO_MEM;
  33
  34     if (!PrivGBase(GfxBase)->HiddCompositorMethodBase)
  35     {
  36         PrivGBase(GfxBase)->HiddCompositorMethodBase = OOP_GetMethodID(IID_Hidd_Compositor, 0);
  37
  38         if (!PrivGBase(GfxBase)->HiddCompositorMethodBase)
  39         {
  40             OOP_ReleaseAttrBase(IID_Hidd_Compositor);
  41
  42             return DD_NO_MEM;
  43         }
  44     }
  45
  46     CDD(GfxBase)->compositorClass = cl;
  47
  48     for (mdd = CDD(GfxBase)->monitors; mdd; mdd = mdd->next)
  49     {
  50         /* If the driver needs software compositor, but has no one, instantiate it. */
  51         if ((mdd->flags & DF_SoftCompose) && (!mdd->compositor))
  52         {
  53             compositor_Setup(mdd, GfxBase);
  54         }
  55     }
  56
  57     return DD_OK;
  58 }
  59
  60 void compositor_Setup(struct monitor_driverdata *mdd, struct GfxBase *GfxBase)
  61 {
  62     /*
  63      * Note that if we have fakegfx object, we'll actually work on top of it.
  64      * This allows us to have transparent software mouse pointer support.
  65      */
  66     mdd->compositor = OOP_NewObjectTags(CDD(GfxBase)->compositorClass, NULL,
  67                                       aHidd_Compositor_GfxHidd, mdd->gfxhidd,
  68                                       aHidd_Compositor_DisplayID, mdd->id,
  69                                       aHidd_Compositor_FrameBuffer, mdd->framebuffer, TAG_DONE);
  70
  71     /* ... but print name of the original driver, to be informative */
  72     D(bug("[Compositor] Added compositor object 0x%p to driver 0x%p (%s)\n", mdd->compositor, mdd->gfxhidd,
  73           OOP_OCLASS(mdd->gfxhidd_orig)->ClassNode.ln_Name));
  74 }
  75
  76 BOOL compositor_IsBMCompositable(struct BitMap *bitmap, DisplayInfoHandle handle, struct GfxBase *GfxBase)
  77 {
  78     if (DIH(handle)->drv->compositor)
  79     {
  80         struct pHidd_Compositor_BitMapValidate msg =
  81         {
  82             mID    : PrivGBase(GfxBase)->HiddCompositorMethodBase + moHidd_Compositor_BitMapValidate,
  83             bm     : bitmap,
  84         };
  85
  86         return (BOOL)OOP_DoMethod(DIH(handle)->drv->compositor, &msg.mID);
  87     }
  88     return FALSE;
  89 }
  90
  91 BOOL compositor_SetBMCompositable(struct BitMap *bitmap, DisplayInfoHandle handle, struct GfxBase *GfxBase)
  92 {
  93     if (DIH(handle)->drv->compositor)
  94     {
  95         struct pHidd_Compositor_BitMapEnable msg =
  96         {
  97             mID    : PrivGBase(GfxBase)->HiddCompositorMethodBase + moHidd_Compositor_BitMapEnable,
  98             bm     : bitmap,
  99         };
 100
 101         return (BOOL)OOP_DoMethod(DIH(handle)->drv->compositor, &msg.mID);
 102     }
 103     return FALSE;
 104 }