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Diffstat (limited to 'frontends/amiga/bitmap.c')
-rw-r--r--frontends/amiga/bitmap.c74
1 files changed, 70 insertions, 4 deletions
diff --git a/frontends/amiga/bitmap.c b/frontends/amiga/bitmap.c
index c6e23b241..84c555c2a 100644
--- a/frontends/amiga/bitmap.c
+++ b/frontends/amiga/bitmap.c
@@ -40,6 +40,7 @@
#endif
#ifdef __amigaos4__
+#include <exec/extmem.h>
#include <sys/param.h>
#endif
#include "assert.h"
@@ -67,6 +68,8 @@ struct bitmap {
int width;
int height;
UBYTE *pixdata;
+ struct ExtMemIFace *iextmem;
+ uint32 size;
bool opaque;
int native;
struct BitMap *nativebm;
@@ -113,7 +116,25 @@ void *amiga_bitmap_create(int width, int height, unsigned int state)
bitmap = ami_memory_itempool_alloc(pool_bitmap, sizeof(struct bitmap));
if(bitmap == NULL) return NULL;
- bitmap->pixdata = ami_memory_clear_alloc(width*height*4, 0xff);
+ bitmap->size = width * height * 4;
+
+#ifdef __amigaos4__
+ if(nsoption_bool(use_extmem) == true) {
+ uint64 size64 = bitmap->size;
+ bitmap->iextmem = AllocSysObjectTags(ASOT_EXTMEM,
+ ASOEXTMEM_Size, &size64,
+ ASOEXTMEM_AllocationPolicy, EXTMEMPOLICY_IMMEDIATE,
+ TAG_END);
+
+ bitmap->pixdata = NULL;
+ UBYTE *pixdata = amiga_bitmap_get_buffer(bitmap);
+ memset(pixdata, 0xff, bitmap->size);
+ } else
+#endif
+ {
+ bitmap->pixdata = ami_memory_clear_alloc(bitmap->size, 0xff);
+ }
+
bitmap->width = width;
bitmap->height = height;
@@ -133,11 +154,27 @@ void *amiga_bitmap_create(int width, int height, unsigned int state)
return bitmap;
}
+static inline void amiga_bitmap_unmap_buffer(struct bitmap *bm)
+{
+#ifdef __amigaos4__
+ if((nsoption_bool(use_extmem) == true) && (bm->pixdata != NULL)) {
+ bm->iextmem->Unmap(bm->pixdata, bm->size);
+ bm->pixdata = NULL;
+ }
+#endif
+}
/* exported function documented in amiga/bitmap.h */
unsigned char *amiga_bitmap_get_buffer(void *bitmap)
{
struct bitmap *bm = bitmap;
+
+#ifdef __amigaos4__
+ if((nsoption_bool(use_extmem) == true) && (bm->pixdata == NULL)) {
+ bm->pixdata = bm->iextmem->Map(NULL, bm->size, 0LL, 0);
+ }
+#endif
+
return bm->pixdata;
}
@@ -169,8 +206,17 @@ void amiga_bitmap_destroy(void *bitmap)
}
if(bm->native_mask) FreeRaster(bm->native_mask, bm->width, bm->height);
- if(bm->drawhandle) ReleaseDrawHandle(bm->drawhandle);
- ami_memory_clear_free(bm->pixdata);
+
+#ifdef __amigaos4__
+ if(nsoption_bool(use_extmem) == true) {
+ amiga_bitmap_unmap_buffer(bm);
+ FreeSysObject(ASOT_EXTMEM, bm->iextmem);
+ } else
+#endif
+ {
+ if(bm->drawhandle) ReleaseDrawHandle(bm->drawhandle);
+ ami_memory_clear_free(bm->pixdata);
+ }
if(bm->url) nsurl_unref(bm->url);
if(bm->title) free(bm->title);
@@ -218,7 +264,11 @@ void amiga_bitmap_modified(void *bitmap)
{
struct bitmap *bm = bitmap;
- if((bm->nativebm)) // && (bm->native == AMI_NSBM_TRUECOLOUR))
+#ifdef __amigaos4__
+ amiga_bitmap_unmap_buffer(bm);
+#endif
+
+ if((bm->nativebm))
ami_rtg_freebitmap(bm->nativebm);
if(bm->drawhandle) ReleaseDrawHandle(bm->drawhandle);
@@ -387,6 +437,10 @@ Object *ami_datatype_object_from_bitmap(struct bitmap *bitmap)
bitmap_get_width(bitmap), bitmap_get_height(bitmap));
}
+#ifdef __amigaos4__
+ amiga_bitmap_unmap_buffer(bitmap);
+#endif
+
return dto;
}
@@ -416,6 +470,10 @@ struct bitmap *ami_bitmap_from_datatype(char *filename)
DisposeDTObject(dto);
}
+#ifdef __amigaos4__
+ amiga_bitmap_unmap_buffer(bm);
+#endif
+
return bm;
}
@@ -587,6 +645,10 @@ static inline struct BitMap *ami_bitmap_get_generic(struct bitmap *bitmap,
}
}
+#ifdef __amigaos4__
+ amiga_bitmap_unmap_buffer(bitmap);
+#endif
+
return tbm;
}
@@ -706,6 +768,10 @@ static nserror bitmap_render(struct bitmap *bitmap, struct hlcache_handle *conte
ami_free_layers(&bm_globals);
amiga_bitmap_set_opaque(bitmap, true);
+#ifdef __amigaos4__
+ amiga_bitmap_unmap_buffer(bitmap);
+#endif
+
/* Restore previous render area. This is set when plotting starts,
* but if bitmap_render is called *during* a browser render then
* having an invalid pointer here causes NetSurf to crash.