Merge remote branch 'upstream/gallium-0.1' into nouveau-gallium-0.1

3 files changed, 52 insertions, 5 deletions

diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index 2815e61345c..cf4964b26b3 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -581,6 +581,7 @@ i915_texture_create(struct pipe_screen *screen,
    struct i915_screen *i915screen = i915_screen(screen);
    struct pipe_winsys *ws = screen->winsys;
    struct i915_texture *tex = CALLOC_STRUCT(i915_texture);
+   size_t tex_size;
 
    if (!tex)
       return NULL;
@@ -600,14 +601,22 @@ i915_texture_create(struct pipe_screen *screen,
 	 goto fail;
    }
 
+   tex_size = tex->stride * tex->total_nblocksy;
+
    tex->buffer = ws->buffer_create(ws, 64,
 				   PIPE_BUFFER_USAGE_PIXEL,
-				   tex->stride *
-				   tex->total_nblocksy);
+				   tex_size);
 
    if (!tex->buffer)
       goto fail;
 
+#if 0
+   void *ptr = ws->buffer_map(ws, tex->buffer,
+      PIPE_BUFFER_USAGE_CPU_WRITE);
+   memset(ptr, 0x80, tex_size);
+   ws->buffer_unmap(ws, tex->buffer);
+#endif
+
    return &tex->base;
 
 fail:
@@ -710,6 +719,8 @@ i915_texture_blanket(struct pipe_screen * screen,
       return NULL;
 
    tex->base = *base;
+   tex->base.refcount = 1;
+   tex->base.screen = screen;
 
    tex->stride = stride[0];
 
diff --git a/src/gallium/drivers/softpipe/sp_state_fs.c b/src/gallium/drivers/softpipe/sp_state_fs.c
index 24b91fbc794..901c8f83e75 100644
--- a/src/gallium/drivers/softpipe/sp_state_fs.c
+++ b/src/gallium/drivers/softpipe/sp_state_fs.c
@@ -154,8 +154,8 @@ softpipe_set_constant_buffer(struct pipe_context *pipe,
    /* note: reference counting */
    pipe_buffer_reference(ws,
 			 &softpipe->constants[shader].buffer,
-			 buf->buffer);
-   softpipe->constants[shader].size = buf->size;
+			 buf ? buf->buffer : NULL);
+   softpipe->constants[shader].size = buf ? buf->size : 0;
 
    softpipe->dirty |= SP_NEW_CONSTANTS;
 }
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 4db045cdc3d..f775591352b 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -122,8 +122,10 @@ softpipe_displaytarget_layout(struct pipe_screen *screen,
       
    /* Now extract the goodies: 
     */
-   spt->buffer = surf.buffer;
+   spt->base.nblocksx[0] = pf_get_nblocksx(&spt->base.block, spt->base.width[0]);  
+   spt->base.nblocksy[0] = pf_get_nblocksy(&spt->base.block, spt->base.height[0]);  
    spt->stride[0] = surf.stride;
+   spt->buffer = surf.buffer;
 
    return spt->buffer != NULL;
 }
@@ -162,6 +164,39 @@ softpipe_texture_create(struct pipe_screen *screen,
 }
 
 
+static struct pipe_texture *
+softpipe_texture_blanket(struct pipe_screen * screen,
+                         const struct pipe_texture *base,
+                         const unsigned *stride,
+                         struct pipe_buffer *buffer)
+{
+   struct softpipe_texture *spt;
+   assert(screen);
+
+   /* Only supports one type */
+   if (base->target != PIPE_TEXTURE_2D ||
+       base->last_level != 0 ||
+       base->depth[0] != 1) {
+      return NULL;
+   }
+
+   spt = CALLOC_STRUCT(softpipe_texture);
+   if (!spt)
+      return NULL;
+
+   spt->base = *base;
+   spt->base.refcount = 1;
+   spt->base.screen = screen;
+   spt->base.nblocksx[0] = pf_get_nblocksx(&spt->base.block, spt->base.width[0]);  
+   spt->base.nblocksy[0] = pf_get_nblocksy(&spt->base.block, spt->base.height[0]);  
+   spt->stride[0] = stride[0];
+
+   pipe_buffer_reference(screen->winsys, &spt->buffer, buffer);
+
+   return &spt->base;
+}
+
+
 static void
 softpipe_texture_release(struct pipe_screen *screen,
                          struct pipe_texture **pt)
@@ -309,6 +344,7 @@ void
 softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
 {
    screen->texture_create = softpipe_texture_create;
+   screen->texture_blanket = softpipe_texture_blanket;
    screen->texture_release = softpipe_texture_release;
 
    screen->get_tex_surface = softpipe_get_tex_surface;