vl: Subpicture/compositing fixes.
[mesa.git] / src / gallium / drivers / softpipe / sp_surface.c
index 29a1e92416ee15e1f9b470868dcfb9af1200d32f..b04c2a63ad606a7dfd4f919db2564bc4f15acca8 100644 (file)
  * 
  **************************************************************************/
 
-#include "pipe/p_defines.h"
-#include "pipe/p_util.h"
-#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
-#include "util/p_tile.h"
+#include "util/u_rect.h"
 #include "sp_context.h"
 #include "sp_surface.h"
 
 
-
-/* Assumes all values are within bounds -- no checking at this level -
- * do it higher up if required.
- */
 static void
 sp_surface_copy(struct pipe_context *pipe,
-                unsigned do_flip,
-               struct pipe_surface *dst,
-               unsigned dstx, unsigned dsty,
-               struct pipe_surface *src,
-               unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+                struct pipe_surface *dest, unsigned destx, unsigned desty,
+                struct pipe_surface *src, unsigned srcx, unsigned srcy,
+                unsigned width, unsigned height)
 {
-   void *dst_map = pipe->screen->surface_map( pipe->screen,
-                                              dst,
-                                              PIPE_BUFFER_USAGE_CPU_WRITE );
-
-   const void *src_map = pipe->screen->surface_map( pipe->screen,
-                                                    src,
-                                                    PIPE_BUFFER_USAGE_CPU_READ );
-
-   assert( dst->cpp == src->cpp );
-   assert(src_map && dst_map);
-
-   pipe_copy_rect(dst_map,
-                  dst->cpp,
-                  dst->pitch,
-                  dstx, dsty,
-                  width, height,
-                  src_map,
-                  do_flip ? -(int) src->pitch : src->pitch,
-                  srcx, do_flip ? 1 - srcy - height : srcy);
-
-   pipe->screen->surface_unmap(pipe->screen, src);
-   pipe->screen->surface_unmap(pipe->screen, dst);
+   util_surface_copy(pipe, FALSE,
+                     dest, destx, desty,
+                     src, srcx, srcy,
+                     width, height);
 }
 
-
-static void *
-get_pointer(struct pipe_surface *dst, void *dst_map, unsigned x, unsigned y)
-{
-   return (char *)dst_map + (y * dst->pitch + x) * dst->cpp;
-}
-
-
-#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
-
-
-/**
- * Fill a rectangular sub-region.  Need better logic about when to
- * push buffers into AGP - will currently do so whenever possible.
- */
-static void
-sp_surface_fill(struct pipe_context *pipe,
-               struct pipe_surface *dst,
-               unsigned dstx, unsigned dsty,
-               unsigned width, unsigned height, unsigned value)
-{
-   unsigned i, j;
-   void *dst_map = pipe->screen->surface_map( pipe->screen,
-                                              dst,
-                                              PIPE_BUFFER_USAGE_CPU_WRITE );
-
-   assert(dst->pitch > 0);
-   assert(width <= dst->pitch);
-
-
-   switch (dst->cpp) {
-   case 1:
-      {
-        ubyte *row = get_pointer(dst, dst_map, dstx, dsty);
-         for (i = 0; i < height; i++) {
-            memset(row, value, width);
-        row += dst->pitch;
-         }
-      }
-      break;
-   case 2:
-      {
-         ushort *row = get_pointer(dst, dst_map, dstx, dsty);
-         for (i = 0; i < height; i++) {
-            for (j = 0; j < width; j++)
-               row[j] = (ushort) value;
-            row += dst->pitch;
-         }
-      }
-      break;
-   case 4:
-      {
-         unsigned *row = get_pointer(dst, dst_map, dstx, dsty);
-         for (i = 0; i < height; i++) {
-            for (j = 0; j < width; j++)
-               row[j] = value;
-            row += dst->pitch;
-         }
-      }
-      break;
-   case 8:
-      {
-         /* expand the 4-byte clear value to an 8-byte value */
-         ushort *row = (ushort *) get_pointer(dst, dst_map, dstx, dsty);
-         ushort val0 = UBYTE_TO_USHORT((value >>  0) & 0xff);
-         ushort val1 = UBYTE_TO_USHORT((value >>  8) & 0xff);
-         ushort val2 = UBYTE_TO_USHORT((value >> 16) & 0xff);
-         ushort val3 = UBYTE_TO_USHORT((value >> 24) & 0xff);
-         val0 = (val0 << 8) | val0;
-         val1 = (val1 << 8) | val1;
-         val2 = (val2 << 8) | val2;
-         val3 = (val3 << 8) | val3;
-         for (i = 0; i < height; i++) {
-            for (j = 0; j < width; j++) {
-               row[j*4+0] = val0;
-               row[j*4+1] = val1;
-               row[j*4+2] = val2;
-               row[j*4+3] = val3;
-            }
-            row += dst->pitch * 4;
-         }
-      }
-      break;
-   default:
-      assert(0);
-      break;
-   }
-
-   pipe->screen->surface_unmap(pipe->screen, dst);
-}
-
-
 void
 sp_init_surface_functions(struct softpipe_context *sp)
 {
    sp->pipe.surface_copy = sp_surface_copy;
-   sp->pipe.surface_fill = sp_surface_fill;
+   sp->pipe.surface_fill = util_surface_fill;
 }