Mesa (gallium-sw-api-2): winsys/xlib: sketch of cell support
Keith Whitwell
keithw at kemper.freedesktop.org
Mon Mar 8 16:36:08 UTC 2010
Module: Mesa
Branch: gallium-sw-api-2
Commit: 9b7c332d5f099fcf090bee9dbda9c73d7912b211
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9b7c332d5f099fcf090bee9dbda9c73d7912b211
Author: Keith Whitwell <keithw at vmware.com>
Date: Mon Mar 8 13:35:23 2010 +0000
winsys/xlib: sketch of cell support
---
src/gallium/winsys/xlib/xlib_cell.c | 268 +++--------------------------------
1 files changed, 20 insertions(+), 248 deletions(-)
diff --git a/src/gallium/winsys/xlib/xlib_cell.c b/src/gallium/winsys/xlib/xlib_cell.c
index 1dc9e8f..ce4efe8 100644
--- a/src/gallium/winsys/xlib/xlib_cell.c
+++ b/src/gallium/winsys/xlib/xlib_cell.c
@@ -32,98 +32,19 @@
* Brian Paul
*/
-#include "xlib.h"
-
-#ifdef GALLIUM_CELL
-
-#include "xm_api.h"
-
-#undef ASSERT
-#undef Elements
-
-#include "util/u_simple_screen.h"
-#include "pipe/p_format.h"
-#include "pipe/p_context.h"
-#include "util/u_inlines.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
-
-#include "cell/ppu/cell_context.h"
-#include "cell/ppu/cell_screen.h"
-#include "cell/ppu/cell_winsys.h"
-#include "cell/ppu/cell_texture.h"
-
-
-/**
- * Subclass of pipe_buffer for Xlib winsys.
- * Low-level OS/window system memory buffer
- */
-struct xm_buffer
-{
- struct pipe_buffer base;
- boolean userBuffer; /** Is this a user-space buffer? */
- void *data;
- void *mapped;
-
- XImage *tempImage;
- int shm;
-};
-/**
- * Subclass of pipe_winsys for Xlib winsys
- */
-struct xmesa_pipe_winsys
-{
- struct pipe_winsys base;
-};
-
-
-
-/** Cast wrapper */
-static INLINE struct xm_buffer *
-xm_buffer( struct pipe_buffer *buf )
-{
- return (struct xm_buffer *)buf;
-}
+#include "xlib.h"
-/* Most callbacks map direcly onto dri_bufmgr operations:
- */
-static void *
-xm_buffer_map(struct pipe_winsys *pws, struct pipe_buffer *buf,
- unsigned flags)
-{
- struct xm_buffer *xm_buf = xm_buffer(buf);
- xm_buf->mapped = xm_buf->data;
- return xm_buf->mapped;
-}
-
-static void
-xm_buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
-{
- struct xm_buffer *xm_buf = xm_buffer(buf);
- xm_buf->mapped = NULL;
-}
-static void
-xm_buffer_destroy(/*struct pipe_winsys *pws,*/
- struct pipe_buffer *buf)
-{
- struct xm_buffer *oldBuf = xm_buffer(buf);
+#if defined(GALLIUM_CELL)
- if (oldBuf) {
- if (oldBuf->data) {
- if (!oldBuf->userBuffer) {
- align_free(oldBuf->data);
- }
+#include "cell/ppu/cell_texture.h"
+#include "cell/ppu/cell_screen.h"
+#include "state_tracker/sw_winsys.h"
+#include "util/u_debug.h"
- oldBuf->data = NULL;
- }
- free(oldBuf);
- }
-}
/**
@@ -155,15 +76,16 @@ twiddle_tile(const uint *tileIn, uint *tileOut)
}
}
-
-
/**
* Display a surface that's in a tiled configuration. That is, all the
* pixels for a TILE_SIZExTILE_SIZE block are contiguous in memory.
*/
static void
-xlib_cell_display_surface(struct xmesa_buffer *b, struct pipe_surface *surf)
+xm_displaytarget_display(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ void *winsys_drawable)
{
+ struct xmesa_buffer *xm_buffer = (struct xm_drawable *)winsys_drawable;
XImage *ximage;
struct xm_buffer *xm_buf = xm_buffer(
cell_texture(surf->texture)->buffer);
@@ -210,165 +132,21 @@ xlib_cell_display_surface(struct xmesa_buffer *b, struct pipe_surface *surf)
-
-
-static void
-xm_flush_frontbuffer(struct pipe_winsys *pws,
- struct pipe_surface *surf,
- void *context_private)
-{
- /*
- * The front color buffer is actually just another XImage buffer.
- * This function copies that XImage to the actual X Window.
- */
- XMesaContext xmctx = (XMesaContext) context_private;
- if (xmctx)
- xlib_cell_display_surface(xmctx->xm_buffer, surf);
-}
-
-
-
-static const char *
-xm_get_name(struct pipe_winsys *pws)
-{
- return "Xlib/Cell";
-}
-
-
-static struct pipe_buffer *
-xm_buffer_create(struct pipe_winsys *pws,
- unsigned alignment,
- unsigned usage,
- unsigned size)
-{
- struct xm_buffer *buffer = CALLOC_STRUCT(xm_buffer);
-
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.alignment = alignment;
- buffer->base.usage = usage;
- buffer->base.size = size;
-
-
- if (buffer->data == NULL) {
- buffer->shm = 0;
-
- /* align to 16-byte multiple for Cell */
- buffer->data = align_malloc(size, max(alignment, 16));
- }
-
- return &buffer->base;
-}
-
-
-/**
- * Create buffer which wraps user-space data.
- */
-static struct pipe_buffer *
-xm_user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
-{
- struct xm_buffer *buffer = CALLOC_STRUCT(xm_buffer);
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.size = bytes;
- buffer->userBuffer = TRUE;
- buffer->data = ptr;
- buffer->shm = 0;
-
- return &buffer->base;
-}
-
-
-
-static struct pipe_buffer *
-xm_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,
- /* XXX a bit of a hack */
- *stride * align(nblocksy, TILE_SIZE));
-}
-
-
-/*
- * Fence functions - basically nothing to do, as we don't create any actual
- * fence objects.
- */
-
-static void
-xm_fence_reference(struct pipe_winsys *sws, struct pipe_fence_handle **ptr,
- struct pipe_fence_handle *fence)
-{
-}
-
-
-static int
-xm_fence_signalled(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
- unsigned flag)
-{
- return 0;
-}
-
-
-static int
-xm_fence_finish(struct pipe_winsys *sws, struct pipe_fence_handle *fence,
- unsigned flag)
-{
- return 0;
-}
-
-
-
-static struct pipe_winsys *
-xlib_create_cell_winsys( void )
-{
- static struct xmesa_pipe_winsys *ws = NULL;
-
- if (!ws) {
- ws = CALLOC_STRUCT(xmesa_pipe_winsys);
-
- /* Fill in this struct with callbacks that pipe will need to
- * communicate with the window system, buffer manager, etc.
- */
- ws->base.buffer_create = xm_buffer_create;
- ws->base.user_buffer_create = xm_user_buffer_create;
- ws->base.buffer_map = xm_buffer_map;
- ws->base.buffer_unmap = xm_buffer_unmap;
- ws->base.buffer_destroy = xm_buffer_destroy;
-
- ws->base.surface_buffer_create = xm_surface_buffer_create;
-
- ws->base.fence_reference = xm_fence_reference;
- ws->base.fence_signalled = xm_fence_signalled;
- ws->base.fence_finish = xm_fence_finish;
-
- ws->base.flush_frontbuffer = xm_flush_frontbuffer;
- ws->base.get_name = xm_get_name;
- }
-
- return &ws->base;
-}
-
-
static struct pipe_screen *
-xlib_create_cell_screen( void )
+xlib_create_cell_screen( Display *dpy )
{
- struct pipe_winsys *winsys;
+ struct sw_winsys *winsys;
struct pipe_screen *screen;
- winsys = xlib_create_cell_winsys();
+ winsys = xlib_create_sw_winsys( dpy );
if (winsys == NULL)
return NULL;
+ /* Plug in a little cell-specific code:
+ */
+
+ ws->base.displaytarget_display = xm_cell_displaytarget_display;
+
screen = cell_create_screen(winsys);
if (screen == NULL)
goto fail;
@@ -384,18 +162,12 @@ fail:
+
struct xm_driver xlib_cell_driver =
{
.create_pipe_screen = xlib_create_cell_screen,
- .display_surface = xlib_cell_display_surface,
};
-#else
-struct xm_driver xlib_cell_driver =
-{
- .create_pipe_screen = NULL,
- .display_surface = NULL,
-};
-#endif
+#endif /* GALLIUM_CELL */
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