X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fgallium%2Finclude%2Fpipe%2Fp_inlines.h;h=5fbd62a03d2bba16e3f9bda3d8cbb6ede5edb222;hb=bb567357bc1366df7115e0daa68c2470e3bf6ba6;hp=da7334bb67a0d84eba1d94f82c377c84f2481bfb;hpb=b3028acd98e2b7fd09344f9005c5b20bba91262c;p=mesa.git

diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index da7334bb67a..5fbd62a03d2 100644
--- a/src/gallium/include/pipe/p_inlines.h
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -31,7 +31,6 @@
 #include "p_context.h"
 #include "p_defines.h"
 #include "p_screen.h"
-#include "p_winsys.h"
 
 
 #ifdef __cplusplus
@@ -39,165 +38,160 @@ extern "C" {
 #endif
 
 
-/* XXX: these are a kludge.  will fix when all surfaces are views into
- * textures, and free-floating winsys surfaces go away.
+/**
+ * Convenience wrappers for screen buffer functions.
  */
-static INLINE void *
-pipe_surface_map( struct pipe_surface *surf, unsigned flags )
+
+static INLINE struct pipe_buffer *
+pipe_buffer_create( struct pipe_screen *screen,
+                    unsigned alignment, unsigned usage, unsigned size )
 {
-   struct pipe_screen *screen;
-   assert(surf->texture);
-   screen = surf->texture->screen;
-   return screen->surface_map( screen, surf, flags );
+   return screen->buffer_create(screen, alignment, usage, size);
 }
 
-static INLINE void
-pipe_surface_unmap( struct pipe_surface *surf )
+static INLINE struct pipe_buffer *
+pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size )
 {
-   struct pipe_screen *screen;
-   assert(surf->texture);
-   screen = surf->texture->screen;
-   screen->surface_unmap( screen, surf );
+   return screen->user_buffer_create(screen, ptr, size);
 }
 
-
-
-/**
- * Set 'ptr' to point to 'surf' and update reference counting.
- * The old thing pointed to, if any, will be unreferenced first.
- * 'surf' may be NULL.
- */
-static INLINE void
-pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
+static INLINE void *
+pipe_buffer_map(struct pipe_screen *screen,
+                struct pipe_buffer *buf,
+                unsigned usage)
 {
-   /* bump the refcount first */
-   if (surf) {
-      assert(surf->refcount);
-      surf->refcount++;
-   }
+   if(screen->buffer_map_range) {
+      unsigned offset = 0;
+      unsigned length = buf->size;
 
-   if (*ptr) {
-      struct pipe_screen *screen;
-      assert((*ptr)->refcount);
-      assert((*ptr)->texture);
-      screen = (*ptr)->texture->screen;
-      screen->tex_surface_release( screen, ptr );
-      assert(!*ptr);
-   }
+      /* XXX: Actually we should be using/detecting DISCARD
+       * instead of assuming that WRITE implies discard */
+      if((usage & PIPE_BUFFER_USAGE_CPU_WRITE) &&
+         !(usage & PIPE_BUFFER_USAGE_DISCARD))
+         usage |= PIPE_BUFFER_USAGE_CPU_READ;
 
-   *ptr = surf;
+      return screen->buffer_map_range(screen, buf, offset, length, usage);
+   }
+   else
+      return screen->buffer_map(screen, buf, usage);
 }
 
-
-/**
- * \sa pipe_surface_reference
- */
 static INLINE void
-pipe_texture_reference(struct pipe_texture **ptr,
-		       struct pipe_texture *pt)
+pipe_buffer_unmap(struct pipe_screen *screen,
+                  struct pipe_buffer *buf)
 {
-   assert(ptr);
-
-   if (pt) { 
-      assert(pt->refcount);
-      pt->refcount++;
-   }
-
-   if (*ptr) {
-      struct pipe_screen *screen = (*ptr)->screen;
-      assert(screen);
-      assert((*ptr)->refcount);
-      screen->texture_release(screen, ptr);
-
-      assert(!*ptr);
-   }
-
-   *ptr = pt;
+   screen->buffer_unmap(screen, buf);
 }
 
+static INLINE void *
+pipe_buffer_map_range(struct pipe_screen *screen,
+                struct pipe_buffer *buf,
+                unsigned offset,
+                unsigned length,
+                unsigned usage)
+{
+   assert(offset < buf->size);
+   assert(offset + length <= buf->size);
+   assert(length);
+   if(screen->buffer_map_range)
+      return screen->buffer_map_range(screen, buf, offset, length, usage);
+   else
+      return screen->buffer_map(screen, buf, usage);
+}
 
 static INLINE void
-pipe_texture_release(struct pipe_texture **ptr)
+pipe_buffer_flush_mapped_range(struct pipe_screen *screen,
+                               struct pipe_buffer *buf,
+                               unsigned offset,
+                               unsigned length)
 {
-   struct pipe_screen *screen;
-   assert(ptr);
-   screen = (*ptr)->screen;
-   assert((*ptr)->refcount);
-   screen->texture_release(screen, ptr);
-   *ptr = NULL;
+   assert(offset < buf->size);
+   assert(offset + length <= buf->size);
+   assert(length);
+   if(screen->buffer_flush_mapped_range)
+      screen->buffer_flush_mapped_range(screen, buf, offset, length);
 }
 
-
-/**
- * Convenience wrappers for winsys buffer functions.
- */
-
-static INLINE struct pipe_buffer *
-pipe_buffer_create( struct pipe_screen *screen,
-                    unsigned alignment, unsigned usage, unsigned size )
+static INLINE void
+pipe_buffer_write(struct pipe_screen *screen,
+                  struct pipe_buffer *buf,
+                  unsigned offset, unsigned size,
+                  const void *data)
 {
-   if (screen->buffer_create)
-      return screen->buffer_create(screen, alignment, usage, size);
-   else
-      return screen->winsys->_buffer_create(screen->winsys, alignment, usage, size);
+   void *map;
+   
+   assert(offset < buf->size);
+   assert(offset + size <= buf->size);
+   assert(size);
+
+   map = pipe_buffer_map_range(screen, buf, offset, size, 
+                               PIPE_BUFFER_USAGE_CPU_WRITE | 
+                               PIPE_BUFFER_USAGE_FLUSH_EXPLICIT);
+   assert(map);
+   if(map) {
+      memcpy((uint8_t *)map + offset, data, size);
+      pipe_buffer_flush_mapped_range(screen, buf, offset, size);
+      pipe_buffer_unmap(screen, buf);
+   }
 }
 
-static INLINE struct pipe_buffer *
-pipe_user_buffer_create( struct pipe_screen *screen, void *ptr, unsigned size )
+static INLINE void
+pipe_buffer_read(struct pipe_screen *screen,
+                 struct pipe_buffer *buf,
+                 unsigned offset, unsigned size,
+                 void *data)
 {
-   if (screen->user_buffer_create)
-      return screen->user_buffer_create(screen, ptr, size);
-   else
-      return screen->winsys->_user_buffer_create(screen->winsys, ptr, size);
+   void *map;
+   
+   assert(offset < buf->size);
+   assert(offset + size <= buf->size);
+   assert(size);
+
+   map = pipe_buffer_map_range(screen, buf, offset, size, PIPE_BUFFER_USAGE_CPU_READ);
+   assert(map);
+   if(map) {
+      memcpy(data, (const uint8_t *)map + offset, size);
+      pipe_buffer_unmap(screen, buf);
+   }
 }
 
 static INLINE void *
-pipe_buffer_map(struct pipe_screen *screen,
-                struct pipe_buffer *buf,
-                unsigned usage)
+pipe_transfer_map( struct pipe_transfer *transf )
 {
-   if (screen->buffer_map)
-      return screen->buffer_map(screen, buf, usage);
-   else
-      return screen->winsys->_buffer_map(screen->winsys, buf, usage);
+   struct pipe_screen *screen = transf->texture->screen;
+   return screen->transfer_map(screen, transf);
 }
 
 static INLINE void
-pipe_buffer_unmap(struct pipe_screen *screen,
-                  struct pipe_buffer *buf)
+pipe_transfer_unmap( struct pipe_transfer *transf )
 {
-   if (screen->buffer_unmap)
-      screen->buffer_unmap(screen, buf);
-   else
-      screen->winsys->_buffer_unmap(screen->winsys, buf);
+   struct pipe_screen *screen = transf->texture->screen;
+   screen->transfer_unmap(screen, transf);
 }
 
-/* XXX: thread safety issues!
- */
 static INLINE void
-pipe_buffer_reference(struct pipe_screen *screen,
-		      struct pipe_buffer **ptr,
-		      struct pipe_buffer *buf)
+pipe_transfer_destroy( struct pipe_transfer *transf )
 {
-   if (buf) {
-      assert(buf->refcount);
-      buf->refcount++;
-   }
+   struct pipe_screen *screen = transf->texture->screen;
+   screen->tex_transfer_destroy(transf);
+}
 
-   if (*ptr) {
-      assert((*ptr)->refcount);
-      if(--(*ptr)->refcount == 0) {
-         if (screen->buffer_destroy)
-            screen->buffer_destroy( screen, *ptr );
-         else
-            screen->winsys->_buffer_destroy( screen->winsys, *ptr );
-      }
+static INLINE unsigned
+pipe_transfer_buffer_flags( struct pipe_transfer *transf )
+{
+   switch (transf->usage & PIPE_TRANSFER_READ_WRITE) {
+   case PIPE_TRANSFER_READ_WRITE:
+      return PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE;
+   case PIPE_TRANSFER_READ:
+      return PIPE_BUFFER_USAGE_CPU_READ;
+   case PIPE_TRANSFER_WRITE:
+      return PIPE_BUFFER_USAGE_CPU_WRITE;
+   default:
+      debug_assert(0);
+      return 0;
    }
-
-   *ptr = buf;
 }
 
-
 #ifdef __cplusplus
 }
 #endif