Merge branch 'gallium-embedded'
[mesa.git] / src / gallium / winsys / xlib / xlib_softpipe.c
index da2484c981f226521097e51ebf5e684fd9f22d49..8ce1ea793663d65c9b235be08164231b61893239 100644 (file)
 #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"
 #include "softpipe/sp_winsys.h"
@@ -62,7 +63,7 @@ struct xm_buffer
 
    XImage *tempImage;
 #ifdef USE_XSHM
-   int shm;
+   boolean shm;         /** Is this a shared memory buffer? */
    XShmSegmentInfo shminfo;
 #endif
 };
@@ -151,7 +152,7 @@ alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
                                   &b->shminfo,
                                   width, height);
    if (b->tempImage == NULL) {
-      b->shm = 0;
+      b->shm = FALSE;
       return;
    }
 
@@ -168,12 +169,12 @@ alloc_shm_ximage(struct xm_buffer *b, struct xmesa_buffer *xmb,
       mesaXErrorFlag = 0;
       XDestroyImage(b->tempImage);
       b->tempImage = NULL;
-      b->shm = 0;
+      b->shm = FALSE;
       (void) XSetErrorHandler(old_handler);
       return;
    }
 
-   b->shm = 1;
+   b->shm = TRUE;
 }
 
 #endif /* USE_XSHM */
@@ -221,12 +222,13 @@ xm_buffer_destroy(struct pipe_buffer *buf)
          oldBuf->shminfo.shmaddr = (char *) -1;
       }
 
+      if (oldBuf->shm) {
+         oldBuf->data = NULL;
+      }
+
       if (oldBuf->tempImage) {
-         if (oldBuf->data == oldBuf->tempImage->data) {
-            /* oldBuf->data points at the xshm memory which we'll now free */
-            oldBuf->data = NULL;
-         }
          XDestroyImage(oldBuf->tempImage);
+         oldBuf->tempImage = NULL;
       }
 #endif
 
@@ -269,10 +271,10 @@ xlib_softpipe_display_surface(struct xmesa_buffer *b,
    {
       if (xm_buf->tempImage == NULL) 
       {
-         assert(surf->texture->block.width == 1);
-         assert(surf->texture->block.height == 1);
+         assert(util_format_get_blockwidth(surf->texture->format) == 1);
+         assert(util_format_get_blockheight(surf->texture->format) == 1);
          alloc_shm_ximage(xm_buf, b, spt->stride[surf->level] /
-                          surf->texture->block.size, surf->height);
+                          util_format_get_blocksize(surf->texture->format), surf->height);
       }
 
       ximage = xm_buf->tempImage;
@@ -341,10 +343,8 @@ xm_buffer_create(struct pipe_winsys *pws,
    buffer->base.usage = usage;
    buffer->base.size = size;
 
-   if (buffer->data == NULL) {
-      /* align to 16-byte multiple for Cell */
-      buffer->data = align_malloc(size, max(alignment, 16));
-   }
+   /* align to 16-byte multiple for Cell */
+   buffer->data = align_malloc(size, max(alignment, 16));
 
    return &buffer->base;
 }
@@ -375,13 +375,10 @@ xm_surface_buffer_create(struct pipe_winsys *winsys,
                          unsigned *stride)
 {
    const unsigned alignment = 64;
-   struct pipe_format_block block;
-   unsigned nblocksx, nblocksy, size;
+   unsigned nblocksy, size;
 
-   pf_get_block(format, &block);
-   nblocksx = pf_get_nblocksx(&block, width);
-   nblocksy = pf_get_nblocksy(&block, height);
-   *stride = align(nblocksx * block.size, alignment);
+   nblocksy = util_format_get_nblocksy(format, height);
+   *stride = align(util_format_get_stride(format, width), alignment);
    size = *stride * nblocksy;
 
 #ifdef USE_XSHM