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/**************************************************************************
*
* Copyright 2009 Artur Wyszynski <harakash@gmail.com>
* Copyright 2013 Alexander von Gluck IV <kallisti5@unixzen.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
**************************************************************************/
#include "pipe/p_compiler.h"
#include "pipe/p_format.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "hgl_sw_winsys.h"
#include "bitmap_wrapper.h"
// Cast
static INLINE struct haiku_displaytarget*
hgl_sw_displaytarget(struct sw_displaytarget* target)
{
return (struct haiku_displaytarget *)target;
}
static void
hgl_winsys_destroy(struct sw_winsys* winsys)
{
FREE(winsys);
}
static boolean
hgl_winsys_is_displaytarget_format_supported(struct sw_winsys* winsys,
unsigned textureUsage, enum pipe_format format)
{
// TODO STUB
return true;
}
static struct sw_displaytarget*
hgl_winsys_displaytarget_create(struct sw_winsys* winsys,
unsigned textureUsage, enum pipe_format format, unsigned width,
unsigned height, unsigned alignment, unsigned* stride)
{
struct haiku_displaytarget* haikuDisplayTarget
= CALLOC_STRUCT(haiku_displaytarget);
assert(haikuDisplayTarget);
haikuDisplayTarget->format = format;
haikuDisplayTarget->width = width;
haikuDisplayTarget->height = height;
size_t formatStride = util_format_get_stride(format, width);
unsigned blockSize = util_format_get_nblocksy(format, height);
haikuDisplayTarget->stride = align(formatStride, alignment);
haikuDisplayTarget->size = haikuDisplayTarget->stride * blockSize;
haikuDisplayTarget->data
= align_malloc(haikuDisplayTarget->size, alignment);
assert(haikuDisplayTarget->data);
*stride = haikuDisplayTarget->stride;
// Cast to ghost sw_displaytarget type
return (struct sw_displaytarget*)haikuDisplayTarget;
}
static void
hgl_winsys_displaytarget_destroy(struct sw_winsys* winsys,
struct sw_displaytarget* displayTarget)
{
struct haiku_displaytarget* haikuDisplayTarget
= hgl_sw_displaytarget(displayTarget);
if (!haikuDisplayTarget)
return;
if (haikuDisplayTarget->data != NULL)
align_free(haikuDisplayTarget->data);
FREE(haikuDisplayTarget);
}
static struct sw_displaytarget*
hgl_winsys_displaytarget_from_handle(struct sw_winsys* winsys,
const struct pipe_resource* templat, struct winsys_handle* whandle,
unsigned* stride)
{
return NULL;
}
static boolean
hgl_winsys_displaytarget_get_handle(struct sw_winsys* winsys,
struct sw_displaytarget* displayTarget, struct winsys_handle* whandle)
{
return FALSE;
}
static void*
hgl_winsys_displaytarget_map(struct sw_winsys* winsys,
struct sw_displaytarget* displayTarget, unsigned flags)
{
struct haiku_displaytarget* haikuDisplayTarget
= hgl_sw_displaytarget(displayTarget);
return haikuDisplayTarget->data;
}
static void
hgl_winsys_displaytarget_unmap(struct sw_winsys* winsys,
struct sw_displaytarget* disptarget)
{
return;
}
static void
hgl_winsys_displaytarget_display(struct sw_winsys* winsys,
struct sw_displaytarget* displayTarget, void* contextPrivate)
{
assert(contextPrivate);
Bitmap* bitmap = (Bitmap*)contextPrivate;
struct haiku_displaytarget* haikuDisplayTarget
= hgl_sw_displaytarget(displayTarget);
copy_bitmap_bits(bitmap, haikuDisplayTarget->data,
haikuDisplayTarget->size);
return;
}
struct sw_winsys*
hgl_create_sw_winsys()
{
struct sw_winsys* winsys = CALLOC_STRUCT(sw_winsys);
if (!winsys)
return NULL;
// Attach winsys hooks for Haiku
winsys->destroy = hgl_winsys_destroy;
winsys->is_displaytarget_format_supported
= hgl_winsys_is_displaytarget_format_supported;
winsys->displaytarget_create = hgl_winsys_displaytarget_create;
winsys->displaytarget_from_handle = hgl_winsys_displaytarget_from_handle;
winsys->displaytarget_get_handle = hgl_winsys_displaytarget_get_handle;
winsys->displaytarget_map = hgl_winsys_displaytarget_map;
winsys->displaytarget_unmap = hgl_winsys_displaytarget_unmap;
winsys->displaytarget_display = hgl_winsys_displaytarget_display;
winsys->displaytarget_destroy = hgl_winsys_displaytarget_destroy;
return winsys;
}
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