--- /dev/null
+/**************************************************************************
+ *
+ * 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;
+}
projects / mesa.git / blobdiff