--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * All Rights Reserved.
+ *
+ * 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.
+ *
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Malloc softpipe winsys. Uses malloc for all memory allocations.
+ *
+ * @author Keith Whitwell
+ * @author Brian Paul
+ * @author Jose Fonseca
+ */
+
+
+#include "pipe/internal/p_winsys_screen.h"/* port to just p_screen */
+#include "pipe/p_format.h"
+#include "pipe/p_context.h"
+#include "pipe/p_inlines.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "softpipe/sp_winsys.h"
+
+
+struct st_softpipe_buffer
+{
+ struct pipe_buffer base;
+ boolean userBuffer; /** Is this a user-space buffer? */
+ void *data;
+ void *mapped;
+};
+
+
+/** Cast wrapper */
+static INLINE struct st_softpipe_buffer *
+st_softpipe_buffer( struct pipe_buffer *buf )
+{
+ return (struct st_softpipe_buffer *)buf;
+}
+
+
+static void *
+st_softpipe_buffer_map(struct pipe_winsys *winsys,
+ struct pipe_buffer *buf,
+ unsigned flags)
+{
+ struct st_softpipe_buffer *st_softpipe_buf = st_softpipe_buffer(buf);
+ st_softpipe_buf->mapped = st_softpipe_buf->data;
+ return st_softpipe_buf->mapped;
+}
+
+
+static void
+st_softpipe_buffer_unmap(struct pipe_winsys *winsys,
+ struct pipe_buffer *buf)
+{
+ struct st_softpipe_buffer *st_softpipe_buf = st_softpipe_buffer(buf);
+ st_softpipe_buf->mapped = NULL;
+}
+
+
+static void
+st_softpipe_buffer_destroy(struct pipe_buffer *buf)
+{
+ struct st_softpipe_buffer *oldBuf = st_softpipe_buffer(buf);
+
+ if (oldBuf->data) {
+ if (!oldBuf->userBuffer)
+ align_free(oldBuf->data);
+
+ oldBuf->data = NULL;
+ }
+
+ FREE(oldBuf);
+}
+
+
+static void
+st_softpipe_flush_frontbuffer(struct pipe_winsys *winsys,
+ struct pipe_surface *surf,
+ void *context_private)
+{
+}
+
+
+
+static const char *
+st_softpipe_get_name(struct pipe_winsys *winsys)
+{
+ return "softpipe";
+}
+
+
+static struct pipe_buffer *
+st_softpipe_buffer_create(struct pipe_winsys *winsys,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size)
+{
+ struct st_softpipe_buffer *buffer = CALLOC_STRUCT(st_softpipe_buffer);
+
+ pipe_reference_init(&buffer->base.reference, 1);
+ buffer->base.alignment = alignment;
+ buffer->base.usage = usage;
+ buffer->base.size = size;
+
+ buffer->data = align_malloc(size, alignment);
+
+ return &buffer->base;
+}
+
+
+/**
+ * Create buffer which wraps user-space data.
+ */
+static struct pipe_buffer *
+st_softpipe_user_buffer_create(struct pipe_winsys *winsys,
+ void *ptr,
+ unsigned bytes)
+{
+ struct st_softpipe_buffer *buffer;
+
+ buffer = CALLOC_STRUCT(st_softpipe_buffer);
+ if(!buffer)
+ return NULL;
+
+ pipe_reference_init(&buffer->base.reference, 1);
+ buffer->base.size = bytes;
+ buffer->userBuffer = TRUE;
+ buffer->data = ptr;
+
+ return &buffer->base;
+}
+
+
+static struct pipe_buffer *
+st_softpipe_surface_buffer_create(struct pipe_winsys *winsys,
+ unsigned width, unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned tex_usage,
+ unsigned *stride)
+{
+ const unsigned alignment = 64;
+ unsigned nblocksy;
+
+ nblocksy = util_format_get_nblocksy(format, height);
+ *stride = align(util_format_get_stride(format, width), alignment);
+
+ return winsys->buffer_create(winsys, alignment,
+ usage,
+ *stride * nblocksy);
+}
+
+
+static void
+st_softpipe_fence_reference(struct pipe_winsys *winsys,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+}
+
+
+static int
+st_softpipe_fence_signalled(struct pipe_winsys *winsys,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ return 0;
+}
+
+
+static int
+st_softpipe_fence_finish(struct pipe_winsys *winsys,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ return 0;
+}
+
+
+static void
+st_softpipe_destroy(struct pipe_winsys *winsys)
+{
+ FREE(winsys);
+}
+
+
+struct pipe_screen *
+softpipe_create_screen_malloc(void)
+{
+ static struct pipe_winsys *winsys;
+ struct pipe_screen *screen;
+
+ winsys = CALLOC_STRUCT(pipe_winsys);
+ if(!winsys)
+ return NULL;
+
+ winsys->destroy = st_softpipe_destroy;
+
+ winsys->buffer_create = st_softpipe_buffer_create;
+ winsys->user_buffer_create = st_softpipe_user_buffer_create;
+ winsys->buffer_map = st_softpipe_buffer_map;
+ winsys->buffer_unmap = st_softpipe_buffer_unmap;
+ winsys->buffer_destroy = st_softpipe_buffer_destroy;
+
+ winsys->surface_buffer_create = st_softpipe_surface_buffer_create;
+
+ winsys->fence_reference = st_softpipe_fence_reference;
+ winsys->fence_signalled = st_softpipe_fence_signalled;
+ winsys->fence_finish = st_softpipe_fence_finish;
+
+ winsys->flush_frontbuffer = st_softpipe_flush_frontbuffer;
+ winsys->get_name = st_softpipe_get_name;
+
+ screen = softpipe_create_screen(winsys);
+ if(!screen)
+ st_softpipe_destroy(winsys);
+
+ return screen;
+}
* @author Jose Fonseca
*/
-
-#include "pipe/internal/p_winsys_screen.h"/* port to just p_screen */
-#include "pipe/p_format.h"
-#include "pipe/p_context.h"
-#include "pipe/p_inlines.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
#include "softpipe/sp_winsys.h"
#include "st_winsys.h"
-
-struct st_softpipe_buffer
-{
- struct pipe_buffer base;
- boolean userBuffer; /** Is this a user-space buffer? */
- void *data;
- void *mapped;
-};
-
-
-/** Cast wrapper */
-static INLINE struct st_softpipe_buffer *
-st_softpipe_buffer( struct pipe_buffer *buf )
-{
- return (struct st_softpipe_buffer *)buf;
-}
-
-
-static void *
-st_softpipe_buffer_map(struct pipe_winsys *winsys,
- struct pipe_buffer *buf,
- unsigned flags)
-{
- struct st_softpipe_buffer *st_softpipe_buf = st_softpipe_buffer(buf);
- st_softpipe_buf->mapped = st_softpipe_buf->data;
- return st_softpipe_buf->mapped;
-}
-
-
-static void
-st_softpipe_buffer_unmap(struct pipe_winsys *winsys,
- struct pipe_buffer *buf)
-{
- struct st_softpipe_buffer *st_softpipe_buf = st_softpipe_buffer(buf);
- st_softpipe_buf->mapped = NULL;
-}
-
-
-static void
-st_softpipe_buffer_destroy(struct pipe_buffer *buf)
-{
- struct st_softpipe_buffer *oldBuf = st_softpipe_buffer(buf);
-
- if (oldBuf->data) {
- if (!oldBuf->userBuffer)
- align_free(oldBuf->data);
-
- oldBuf->data = NULL;
- }
-
- FREE(oldBuf);
-}
-
-
-static void
-st_softpipe_flush_frontbuffer(struct pipe_winsys *winsys,
- struct pipe_surface *surf,
- void *context_private)
-{
-}
-
-
-
-static const char *
-st_softpipe_get_name(struct pipe_winsys *winsys)
-{
- return "softpipe";
-}
-
-
-static struct pipe_buffer *
-st_softpipe_buffer_create(struct pipe_winsys *winsys,
- unsigned alignment,
- unsigned usage,
- unsigned size)
-{
- struct st_softpipe_buffer *buffer = CALLOC_STRUCT(st_softpipe_buffer);
-
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.alignment = alignment;
- buffer->base.usage = usage;
- buffer->base.size = size;
-
- buffer->data = align_malloc(size, alignment);
-
- return &buffer->base;
-}
-
-
-/**
- * Create buffer which wraps user-space data.
- */
-static struct pipe_buffer *
-st_softpipe_user_buffer_create(struct pipe_winsys *winsys,
- void *ptr,
- unsigned bytes)
-{
- struct st_softpipe_buffer *buffer;
-
- buffer = CALLOC_STRUCT(st_softpipe_buffer);
- if(!buffer)
- return NULL;
-
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.size = bytes;
- buffer->userBuffer = TRUE;
- buffer->data = ptr;
-
- return &buffer->base;
-}
-
-
-static struct pipe_buffer *
-st_softpipe_surface_buffer_create(struct pipe_winsys *winsys,
- unsigned width, unsigned height,
- enum pipe_format format,
- unsigned usage,
- unsigned tex_usage,
- unsigned *stride)
-{
- const unsigned alignment = 64;
- unsigned nblocksy;
-
- nblocksy = util_format_get_nblocksy(format, height);
- *stride = align(util_format_get_stride(format, width), alignment);
-
- return winsys->buffer_create(winsys, alignment,
- usage,
- *stride * nblocksy);
-}
-
-
-static void
-st_softpipe_fence_reference(struct pipe_winsys *winsys,
- struct pipe_fence_handle **ptr,
- struct pipe_fence_handle *fence)
-{
-}
-
-
-static int
-st_softpipe_fence_signalled(struct pipe_winsys *winsys,
- struct pipe_fence_handle *fence,
- unsigned flag)
-{
- return 0;
-}
-
-
-static int
-st_softpipe_fence_finish(struct pipe_winsys *winsys,
- struct pipe_fence_handle *fence,
- unsigned flag)
-{
- return 0;
-}
-
-
-static void
-st_softpipe_destroy(struct pipe_winsys *winsys)
-{
- FREE(winsys);
-}
-
-
-static struct pipe_screen *
-st_softpipe_screen_create(void)
-{
- static struct pipe_winsys *winsys;
- struct pipe_screen *screen;
-
- winsys = CALLOC_STRUCT(pipe_winsys);
- if(!winsys)
- return NULL;
-
- winsys->destroy = st_softpipe_destroy;
-
- winsys->buffer_create = st_softpipe_buffer_create;
- winsys->user_buffer_create = st_softpipe_user_buffer_create;
- winsys->buffer_map = st_softpipe_buffer_map;
- winsys->buffer_unmap = st_softpipe_buffer_unmap;
- winsys->buffer_destroy = st_softpipe_buffer_destroy;
-
- winsys->surface_buffer_create = st_softpipe_surface_buffer_create;
-
- winsys->fence_reference = st_softpipe_fence_reference;
- winsys->fence_signalled = st_softpipe_fence_signalled;
- winsys->fence_finish = st_softpipe_fence_finish;
-
- winsys->flush_frontbuffer = st_softpipe_flush_frontbuffer;
- winsys->get_name = st_softpipe_get_name;
-
- screen = softpipe_create_screen(winsys);
- if(!screen)
- st_softpipe_destroy(winsys);
-
- return screen;
-}
-
-
-static struct pipe_context *
-st_softpipe_context_create(struct pipe_screen *screen)
-{
- return softpipe_create(screen);
-}
-
-
const struct st_winsys st_softpipe_winsys = {
- &st_softpipe_screen_create,
- &st_softpipe_context_create,
+ &softpipe_create_screen_malloc,
+ &softpipe_create,
};
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