rom/hidds/vesa/vesagfxclass.c

   1 /*
   2     Copyright © 1995-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Class for Vesa.
   6     Lang: English.
   7 */
   8
   9 #define __OOP_NOATTRBASES__
  10
  11 #include <aros/asmcall.h>
  12 #include <proto/exec.h>
  13 #include <proto/oop.h>
  14 #include <proto/utility.h>
  15 #include <aros/symbolsets.h>
  16 #include <devices/inputevent.h>
  17 #include <exec/alerts.h>
  18 #include <exec/memory.h>
  19 #include <hardware/custom.h>
  20 #include <hidd/hidd.h>
  21 #include <hidd/graphics.h>
  22 #include <oop/oop.h>
  23 #include <clib/alib_protos.h>
  24 #include <string.h>
  25
  26 #define DEBUG 0
  27 #include <aros/debug.h>
  28
  29 #include "vesagfxclass.h"
  30 #include "bitmap.h"
  31 #include "hardware.h"
  32
  33 #include LC_LIBDEFS_FILE
  34
  35 AROS_INTH1(ResetHandler, struct HWData *, hwdata)
  36 {
  37     AROS_INTFUNC_INIT
  38
  39     ClearBuffer(hwdata);
  40
  41     return FALSE;
  42
  43     AROS_INTFUNC_EXIT
  44 }
  45
  46 OOP_Object *PCVesa__Root__New(OOP_Class *cl, OOP_Object *o, struct pRoot_New *msg)
  47 {
  48     struct TagItem pftags[] =
  49     {
  50         {aHidd_PixFmt_RedShift,     0}, /*  0 */
  51         {aHidd_PixFmt_GreenShift,   0}, /*  1 */
  52         {aHidd_PixFmt_BlueShift,    0}, /*  2 */
  53         {aHidd_PixFmt_AlphaShift,   0}, /*  3 */
  54         {aHidd_PixFmt_RedMask,      0}, /*  4 */
  55         {aHidd_PixFmt_GreenMask,    0}, /*  5 */
  56         {aHidd_PixFmt_BlueMask,     0}, /*  6 */
  57         {aHidd_PixFmt_AlphaMask,    0}, /*  7 */
  58         {aHidd_PixFmt_ColorModel,   0}, /*  8 */
  59         {aHidd_PixFmt_Depth,        0}, /*  9 */
  60         {aHidd_PixFmt_BytesPerPixel,0}, /* 10 */
  61         {aHidd_PixFmt_BitsPerPixel, 0}, /* 11 */
  62         {aHidd_PixFmt_StdPixFmt,    vHidd_StdPixFmt_Native}, /* 12 */
  63         {aHidd_PixFmt_CLUTShift,    0}, /* 13 */
  64         {aHidd_PixFmt_CLUTMask,     0}, /* 14 */
  65         {aHidd_PixFmt_BitMapType,   vHidd_BitMapType_Chunky}, /* 15 */
  66         {TAG_DONE, 0UL }
  67     };
  68     struct TagItem sync_mode[] =
  69     {
  70         {aHidd_Sync_HDisp,      0},
  71         {aHidd_Sync_VDisp,      0},
  72         {aHidd_Sync_HMax,       16384},
  73         {aHidd_Sync_VMax,       16384},
  74         {aHidd_Sync_Description, (IPTR)"VESA:%hx%v"},
  75         {TAG_DONE, 0UL}
  76     };
  77     struct TagItem modetags[] =
  78     {
  79         {aHidd_Gfx_PixFmtTags, (IPTR)pftags},
  80         {aHidd_Gfx_SyncTags,   (IPTR)sync_mode},
  81         {TAG_DONE, 0UL}
  82     };
  83     struct TagItem yourtags[] =
  84     {
  85         {aHidd_Gfx_ModeTags, (IPTR)modetags},
  86         {TAG_MORE, 0UL}
  87     };
  88     struct pRoot_New yourmsg;
  89
  90     EnterFunc(bug("VesaGfx::New()\n"));
  91
  92     /* Protect against some stupid programmer wishing to
  93        create one more VESA driver */
  94     if (XSD(cl)->vesagfxhidd)
  95         return NULL;
  96
  97     pftags[0].ti_Data = XSD(cl)->data.redshift;
  98     pftags[1].ti_Data = XSD(cl)->data.greenshift;
  99     pftags[2].ti_Data = XSD(cl)->data.blueshift;
 100     pftags[4].ti_Data = XSD(cl)->data.redmask;
 101     pftags[5].ti_Data = XSD(cl)->data.greenmask;
 102     pftags[6].ti_Data = XSD(cl)->data.bluemask;
 103     pftags[8].ti_Data = (XSD(cl)->data.depth > 8) ? vHidd_ColorModel_TrueColor : vHidd_ColorModel_Palette;
 104     pftags[9].ti_Data = (XSD(cl)->data.depth > 24) ? 24 : XSD(cl)->data.depth;
 105     pftags[10].ti_Data = XSD(cl)->data.bytesperpixel;
 106     pftags[11].ti_Data = (XSD(cl)->data.bitsperpixel > 24) ? 24 : XSD(cl)->data.bitsperpixel;
 107     pftags[14].ti_Data = (1 << XSD(cl)->data.depth) - 1;
 108
 109     sync_mode[0].ti_Data = XSD(cl)->data.width;
 110     sync_mode[1].ti_Data = XSD(cl)->data.height;
 111
 112     yourtags[1].ti_Data = (IPTR)msg->attrList;
 113     yourmsg.mID = msg->mID;
 114     yourmsg.attrList = yourtags;
 115
 116     o = (OOP_Object *)OOP_DoSuperMethod(cl, o, (OOP_Msg)&yourmsg);
 117     if (o)
 118     {
 119         struct VesaGfx_data *data = OOP_INST_DATA(cl, o);
 120
 121         D(bug("Got object from super\n"));
 122         XSD(cl)->vesagfxhidd = o;
 123
 124         data->ResetInterrupt.is_Code = (VOID_FUNC)ResetHandler;
 125         data->ResetInterrupt.is_Data = &XSD(cl)->data;
 126         AddResetCallback(&data->ResetInterrupt);
 127     }
 128     ReturnPtr("VesaGfx::New", OOP_Object *, o);
 129 }
 130
 131 VOID PCVesa__Root__Dispose(OOP_Class *cl, OOP_Object *o, OOP_Msg msg)
 132 {
 133     struct VesaGfx_data *data = OOP_INST_DATA(cl, o);
 134
 135     RemResetCallback(&data->ResetInterrupt);
 136     OOP_DoSuperMethod(cl, o, (OOP_Msg)msg);
 137     XSD(cl)->vesagfxhidd = NULL;
 138 }
 139
 140 VOID PCVesa__Root__Get(OOP_Class *cl, OOP_Object *o, struct pRoot_Get *msg)
 141 {
 142     ULONG idx;
 143
 144     if (IS_GFX_ATTR(msg->attrID, idx))
 145     {
 146         switch (idx)
 147         {
 148             case aoHidd_Gfx_NoFrameBuffer:
 149                 *msg->storage = TRUE;
 150                 return;
 151         }
 152     }
 153     OOP_DoSuperMethod(cl, o, (OOP_Msg)msg);
 154 }
 155
 156 OOP_Object *PCVesa__Hidd_Gfx__CreateObject(OOP_Class *cl, OOP_Object *o, struct pHidd_Gfx_CreateObject *msg)
 157 {
 158     OOP_Object      *object = NULL;
 159
 160     D(bug("[VESA] %s()\n", __PRETTY_FUNCTION__));
 161     D(bug("[VESA] %s: requested class 0x%p\n", __PRETTY_FUNCTION__, msg->cl));
 162     D(bug("[VESA] %s: base bitmap class 0x%p\n", __PRETTY_FUNCTION__, XSD(cl)->basebm));
 163
 164     if (msg->cl == XSD(cl)->basebm)
 165     {
 166         BOOL displayable;
 167         struct TagItem tags[2] =
 168         {
 169             {TAG_IGNORE, 0                  },
 170             {TAG_MORE  , (IPTR)msg->attrList}
 171         };
 172         struct pHidd_Gfx_CreateObject p;
 173
 174         displayable = GetTagData(aHidd_BitMap_Displayable, FALSE, msg->attrList);
 175         if (displayable)
 176         {
 177             /* Only displayable bitmaps are bitmaps of our class */
 178             tags[0].ti_Tag  = aHidd_BitMap_ClassPtr;
 179             tags[0].ti_Data = (IPTR)XSD(cl)->bmclass;
 180         }
 181         else
 182         {
 183             /* Non-displayable friends of our bitmaps are plain chunky bitmaps */
 184             OOP_Object *friend = (OOP_Object *)GetTagData(aHidd_BitMap_Friend, 0, msg->attrList);
 185
 186             if (friend && (OOP_OCLASS(friend) == XSD(cl)->bmclass))
 187             {
 188                 tags[0].ti_Tag  = aHidd_BitMap_ClassID;
 189                 tags[0].ti_Data = (IPTR)CLID_Hidd_ChunkyBM;
 190             }
 191         }
 192
 193         p.mID = msg->mID;
 194         p.cl = msg->cl;
 195         p.attrList = tags;
 196
 197         object = (OOP_Object *)OOP_DoSuperMethod(cl, o, (OOP_Msg)&p);
 198     }
 199     else
 200         object = (OOP_Object *)OOP_DoSuperMethod(cl, o, (OOP_Msg)msg);
 201
 202     ReturnPtr("VesaGfx::CreateObject", OOP_Object *, object);
 203 }
 204
 205 /*********  GfxHidd::Show()  ***************************/
 206
 207 OOP_Object *PCVesa__Hidd_Gfx__Show(OOP_Class *cl, OOP_Object *o, struct pHidd_Gfx_Show *msg)
 208 {
 209     struct VesaGfx_staticdata *data = XSD(cl);
 210     struct TagItem tags[] = {
 211         {aHidd_BitMap_Visible, FALSE},
 212         {TAG_DONE            , 0    }
 213     };
 214
 215     D(bug("[VesaGfx] Show(0x%p), old visible 0x%p\n", msg->bitMap, data->visible));
 216
 217     LOCK_FRAMEBUFFER(data);
 218
 219     /* Remove old bitmap from the screen */
 220     if (data->visible)
 221     {
 222         D(bug("[VesaGfx] Hiding old bitmap\n"));
 223         OOP_SetAttrs(data->visible, tags);
 224     }
 225
 226     if (msg->bitMap)
 227     {
 228         /* If we have a bitmap to show, set it as visible */
 229         D(bug("[VesaGfx] Showing new bitmap\n"));
 230         tags[0].ti_Data = TRUE;
 231         OOP_SetAttrs(msg->bitMap, tags);
 232     }
 233     else
 234     {
 235         D(bug("[VesaGfx] Blanking screen\n"));
 236         /* Otherwise simply clear the framebuffer */
 237         ClearBuffer(&data->data);
 238     }
 239
 240     data->visible = msg->bitMap;
 241     UNLOCK_FRAMEBUFFER(data);
 242
 243     D(bug("[VesaGfx] Show() done\n"));
 244     return msg->bitMap;
 245 }