r600: don't enable depth test if there is no depth buffer

[mesa.git] / src / gallium / winsys / xlib / xlib_cell.c

diff --git a/src/gallium/winsys/xlib/xlib_cell.c b/src/gallium/winsys/xlib/xlib_cell.c
index c87564f4dc1ed168a0ced5b8acaf910453e505eb..1dc9e8fa11f3e2da86844c61469d69874c9cbab0 100644 (file)
--- a/src/gallium/winsys/xlib/xlib_cell.c
+++ b/src/gallium/winsys/xlib/xlib_cell.c
@@ -41,10 +41,11 @@
 #undef ASSERT
 #undef Elements
 
-#include "pipe/internal/p_winsys_screen.h"
+#include "util/u_simple_screen.h"
 #include "pipe/p_format.h"
 #include "pipe/p_context.h"
-#include "pipe/p_inlines.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
 #include "util/u_math.h"
 #include "util/u_memory.h"
 
@@ -107,22 +108,21 @@ xm_buffer_unmap(struct pipe_winsys *pws, struct pipe_buffer *buf)
 }
 
 static void
-xm_buffer_destroy(struct pipe_winsys *pws,
+xm_buffer_destroy(/*struct pipe_winsys *pws,*/
                   struct pipe_buffer *buf)
 {
    struct xm_buffer *oldBuf = xm_buffer(buf);
 
-   if (oldBuf->data) {
-      {
+   if (oldBuf) {
+      if (oldBuf->data) {
          if (!oldBuf->userBuffer) {
             align_free(oldBuf->data);
          }
-      }
 
-      oldBuf->data = NULL;
+         oldBuf->data = NULL;
+      }
+      free(oldBuf);
    }
-
-   free(oldBuf);
 }
 
 
@@ -222,7 +222,8 @@ xm_flush_frontbuffer(struct pipe_winsys *pws,
     * This function copies that XImage to the actual X Window.
     */
    XMesaContext xmctx = (XMesaContext) context_private;
-   xlib_cell_display_surface(xmctx->xm_buffer, surf);
+   if (xmctx)
+      xlib_cell_display_surface(xmctx->xm_buffer, surf);
 }
 
 
@@ -242,7 +243,7 @@ xm_buffer_create(struct pipe_winsys *pws,
 {
    struct xm_buffer *buffer = CALLOC_STRUCT(xm_buffer);
 
-   buffer->base.refcount = 1;
+   pipe_reference_init(&buffer->base.reference, 1);
    buffer->base.alignment = alignment;
    buffer->base.usage = usage;
    buffer->base.size = size;
@@ -266,7 +267,7 @@ static struct pipe_buffer *
 xm_user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
 {
    struct xm_buffer *buffer = CALLOC_STRUCT(xm_buffer);
-   buffer->base.refcount = 1;
+   pipe_reference_init(&buffer->base.reference, 1);
    buffer->base.size = bytes;
    buffer->userBuffer = TRUE;
    buffer->data = ptr;
@@ -277,35 +278,24 @@ xm_user_buffer_create(struct pipe_winsys *pws, void *ptr, unsigned bytes)
 
 
 
-/**
- * Round n up to next multiple.
- */
-static INLINE unsigned
-round_up(unsigned n, unsigned multiple)
-{
-   return (n + multiple - 1) & ~(multiple - 1);
-}
-
 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;
-   struct pipe_format_block block;
-   unsigned nblocksx, nblocksy;
+   unsigned nblocksy;
 
-   pf_get_block(format, &block);
-   nblocksx = pf_get_nblocksx(&block, width);
-   nblocksy = pf_get_nblocksy(&block, height);
-   *stride = round_up(nblocksx * block.size, alignment);
+   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 * round_up(nblocksy, TILE_SIZE));
+                                *stride * align(nblocksy, TILE_SIZE));
 }
 
 
@@ -370,7 +360,7 @@ xlib_create_cell_winsys( void )
 
 
 static struct pipe_screen *
-xlib_create_cell_screen( struct pipe_winsys *pws )
+xlib_create_cell_screen( void )
 {
    struct pipe_winsys *winsys;
    struct pipe_screen *screen;
@@ -393,35 +383,10 @@ fail:
 }
 
 
-static struct pipe_context *
-xlib_create_cell_context( struct pipe_screen *screen,
-                          void *priv )
-{
-   struct pipe_context *pipe;
-
-   
-   /* This takes a cell_winsys pointer, but probably that should be
-    * created and stored at screen creation, not context creation.
-    *
-    * The actual cell_winsys value isn't used for anything, so just
-    * passing NULL for now.
-    */
-   pipe = cell_create_context( screen, NULL);
-   if (pipe == NULL)
-      goto fail;
-
-   pipe->priv = priv;
-
-   return pipe;
-
-fail:
-   return NULL;
-}
 
 struct xm_driver xlib_cell_driver = 
 {
    .create_pipe_screen = xlib_create_cell_screen,
-   .create_pipe_context = xlib_create_cell_context,
    .display_surface = xlib_cell_display_surface,
 };
 
@@ -430,7 +395,6 @@ struct xm_driver xlib_cell_driver =
 struct xm_driver xlib_cell_driver = 
 {
    .create_pipe_screen = NULL,
-   .create_pipe_context = NULL,
    .display_surface = NULL,
 };