gallium: remove pipe_buffer from surfaces

this change disassociates, at least from the driver perspective,
the surface from buffer. surfaces are technically now views on the
textures so make it so by hiding the buffer in the internals of
textures.

2 files changed, 6 insertions, 7 deletions

diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index d18946de7dc..963ac902d2c 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -171,7 +171,6 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
                                                   surface_usage );
 
    assert(strb->surface->texture);
-   assert(strb->surface->buffer);
    assert(strb->surface->format);
    assert(strb->surface->block.size);
    assert(strb->surface->block.width);
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index 9e5c35072a1..6a3455aaba2 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -128,11 +128,11 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
       dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
                                         PIPE_BUFFER_USAGE_CPU_WRITE);
 
-      srcData = (ubyte *) pipe_buffer_map(pipe->screen, srcSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_READ)
+      srcData = (ubyte *) pipe_surface_map(srcSurf,
+                                           PIPE_BUFFER_USAGE_CPU_READ)
               + srcSurf->offset;
-      dstData = (ubyte *) pipe_buffer_map(pipe->screen, dstSurf->buffer,
-                                          PIPE_BUFFER_USAGE_CPU_WRITE)
+      dstData = (ubyte *) pipe_surface_map(dstSurf,
+                                           PIPE_BUFFER_USAGE_CPU_WRITE)
               + dstSurf->offset;
 
       _mesa_generate_mipmap_level(target, datatype, comps,
@@ -144,8 +144,8 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
                    dstData,
                    dstSurf->stride); /* stride in bytes */
 
-      pipe_buffer_unmap(pipe->screen, srcSurf->buffer);
-      pipe_buffer_unmap(pipe->screen, dstSurf->buffer);
+      pipe_surface_unmap(srcSurf);
+      pipe_surface_unmap(dstSurf);
 
       pipe_surface_reference(&srcSurf, NULL);
       pipe_surface_reference(&dstSurf, NULL);