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authorBrian Paul <brian.paul@tungstengraphics.com>2008-09-10 18:22:00 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-09-11 10:39:28 -0600
commit284ab5a6127f8b452acaa0e10ac1d9ebc87fac3e (patch)
tree9a443b1d850966178360b17d208e28a1d05481c0 /src/gallium/winsys
parentee582fd3a7a9ddbcb5595249201cf213a6c6f014 (diff)
cell: checkpoint commit of new per-fragment processing
Do code generation for alpha test, z test, stencil, blend, colormask and framebuffer/tile read/write as a single code block. Ian's previous blend/z/stencil test code is still there but mostly disabled and will be removed soon.
Diffstat (limited to 'src/gallium/winsys')
-rw-r--r--src/gallium/winsys/xlib/xm_api.c7
-rw-r--r--src/gallium/winsys/xlib/xm_winsys.c35
2 files changed, 41 insertions, 1 deletions
diff --git a/src/gallium/winsys/xlib/xm_api.c b/src/gallium/winsys/xlib/xm_api.c
index b010513107..28bd6ceab4 100644
--- a/src/gallium/winsys/xlib/xm_api.c
+++ b/src/gallium/winsys/xlib/xm_api.c
@@ -349,12 +349,17 @@ create_xmesa_buffer(XMesaDrawable d, BufferType type,
if (vis->mesa_visual.depthBits == 0)
depthFormat = PIPE_FORMAT_NONE;
+#ifdef GALLIUM_CELL /* XXX temporary for Cell! */
+ else
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+#else
else if (vis->mesa_visual.depthBits <= 16)
- depthFormat = PIPE_FORMAT_Z16_UNORM;
+ depthFormat = PIPE_FORMAT_Z16UNORM;
else if (vis->mesa_visual.depthBits <= 24)
depthFormat = PIPE_FORMAT_S8Z24_UNORM;
else
depthFormat = PIPE_FORMAT_Z32_UNORM;
+#endif
if (vis->mesa_visual.stencilBits == 8) {
if (depthFormat == PIPE_FORMAT_S8Z24_UNORM)
diff --git a/src/gallium/winsys/xlib/xm_winsys.c b/src/gallium/winsys/xlib/xm_winsys.c
index 5e9a1f92f1..c4a30d3702 100644
--- a/src/gallium/winsys/xlib/xm_winsys.c
+++ b/src/gallium/winsys/xlib/xm_winsys.c
@@ -276,6 +276,39 @@ xm_buffer_destroy(struct pipe_winsys *pws,
/**
+ * For Cell. Basically, rearrange the pixels/quads from this layout:
+ * +--+--+--+--+
+ * |p0|p1|p2|p3|....
+ * +--+--+--+--+
+ *
+ * to this layout:
+ * +--+--+
+ * |p0|p1|....
+ * +--+--+
+ * |p2|p3|
+ * +--+--+
+ */
+static void
+twiddle_tile(uint *tile)
+{
+ uint tile2[TILE_SIZE * TILE_SIZE];
+ int y, x;
+
+ for (y = 0; y < TILE_SIZE; y+=2) {
+ for (x = 0; x < TILE_SIZE; x+=2) {
+ int k = 4 * (y/2 * TILE_SIZE/2 + x/2);
+ tile2[y * TILE_SIZE + (x + 0)] = tile[k];
+ tile2[y * TILE_SIZE + (x + 1)] = tile[k+1];
+ tile2[(y + 1) * TILE_SIZE + (x + 0)] = tile[k+2];
+ tile2[(y + 1) * TILE_SIZE + (x + 1)] = tile[k+3];
+ }
+ }
+ memcpy(tile, tile2, sizeof(tile2));
+}
+
+
+
+/**
* Display a surface that's in a tiled configuration. That is, all the
* pixels for a TILE_SIZExTILE_SIZE block are contiguous in memory.
*/
@@ -321,6 +354,8 @@ xmesa_display_surface_tiled(XMesaBuffer b, const struct pipe_surface *surf)
ximage->data = (char *) xm_buf->data + offset;
+ twiddle_tile((uint *) ximage->data);
+
if (XSHM_ENABLED(xm_buf)) {
#if defined(USE_XSHM) && !defined(XFree86Server)
XShmPutImage(b->xm_visual->display, b->drawable, b->gc,