gallium: unify transfer functions

"get_transfer + transfer_map" becomes "transfer_map".
"transfer_unmap + transfer_destroy" becomes "transfer_unmap".

transfer_map must create and return the transfer object and transfer_unmap
must destroy it.

transfer_map is successful if the returned buffer pointer is not NULL.
If transfer_map fails, the pointer to the transfer object remains unchanged
(i.e. doesn't have to be NULL).

Acked-by: Brian Paul <brianp@vmware.com>

6 files changed, 18 insertions, 38 deletions

diff --git a/src/gallium/tests/graw/fs-test.c b/src/gallium/tests/graw/fs-test.c
index ffb6bd2..04b5732 100644
--- a/src/gallium/tests/graw/fs-test.c
+++ b/src/gallium/tests/graw/fs-test.c
@@ -369,12 +369,10 @@ static void init_tex( void )
    {
       struct pipe_transfer *t;
       uint32_t *ptr;
-      t = pipe_get_transfer(ctx, samptex,
-                            0, 0, /* level, layer */
-                            PIPE_TRANSFER_READ,
-                            0, 0, SIZE, SIZE); /* x, y, width, height */
-
-      ptr = ctx->transfer_map(ctx, t);
+      ptr = pipe_transfer_map(ctx, samptex,
+                              0, 0, /* level, layer */
+                              PIPE_TRANSFER_READ,
+                              0, 0, SIZE, SIZE, &t); /* x, y, width, height */
 
       if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
          assert(0);
@@ -382,8 +380,6 @@ static void init_tex( void )
       }
 
       ctx->transfer_unmap(ctx, t);
-
-      ctx->transfer_destroy(ctx, t);
    }
 
    memset(&sv_template, 0, sizeof sv_template);
diff --git a/src/gallium/tests/graw/graw_util.h b/src/gallium/tests/graw/graw_util.h
index 9250f0b..86bb18d 100644
--- a/src/gallium/tests/graw/graw_util.h
+++ b/src/gallium/tests/graw/graw_util.h
@@ -259,7 +259,7 @@ graw_util_create_tex2d(const struct graw_info *info,
    {
       struct pipe_transfer *t;
       uint32_t *ptr;
-      t = pipe_get_transfer(info->ctx, samptex,
+      t = pipe_transfer_map(info->ctx, samptex,
                             0, 0, /* level, layer */
                             PIPE_TRANSFER_READ,
                             0, 0, SIZE, SIZE); /* x, y, width, height */
diff --git a/src/gallium/tests/graw/gs-test.c b/src/gallium/tests/graw/gs-test.c
index 48db759..21ec7b7 100644
--- a/src/gallium/tests/graw/gs-test.c
+++ b/src/gallium/tests/graw/gs-test.c
@@ -433,12 +433,10 @@ static void init_tex( void )
    {
       struct pipe_transfer *t;
       uint32_t *ptr;
-      t = pipe_get_transfer(ctx, samptex,
-                            0, 0, /* level, layer */
-                            PIPE_TRANSFER_READ,
-                            0, 0, SIZE, SIZE); /* x, y, width, height */
-
-      ptr = ctx->transfer_map(ctx, t);
+      ptr = pipe_transfer_map(ctx, samptex,
+                              0, 0, /* level, layer */
+                              PIPE_TRANSFER_READ,
+                              0, 0, SIZE, SIZE, &t); /* x, y, width, height */
 
       if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
          assert(0);
@@ -446,8 +444,6 @@ static void init_tex( void )
       }
 
       ctx->transfer_unmap(ctx, t);
-
-      ctx->transfer_destroy(ctx, t);
    }
 
    memset(&sv_template, 0, sizeof sv_template);
diff --git a/src/gallium/tests/graw/quad-sample.c b/src/gallium/tests/graw/quad-sample.c
index 4703b83..6f4b9f6 100644
--- a/src/gallium/tests/graw/quad-sample.c
+++ b/src/gallium/tests/graw/quad-sample.c
@@ -242,12 +242,10 @@ static void init_tex( void )
    {
       struct pipe_transfer *t;
       uint32_t *ptr;
-      t = pipe_get_transfer(ctx, samptex,
-                            0, 0, /* level, layer */
-                            PIPE_TRANSFER_READ,
-                            0, 0, SIZE, SIZE); /* x, y, width, height */
-
-      ptr = ctx->transfer_map(ctx, t);
+      ptr = pipe_transfer_map(ctx, samptex,
+                              0, 0, /* level, layer */
+                              PIPE_TRANSFER_READ,
+                              0, 0, SIZE, SIZE, &t); /* x, y, width, height */
 
       if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
          assert(0);
@@ -255,8 +253,6 @@ static void init_tex( void )
       }
 
       ctx->transfer_unmap(ctx, t);
-
-      ctx->transfer_destroy(ctx, t);
    }
 
    memset(&sv_template, 0, sizeof sv_template);
diff --git a/src/gallium/tests/graw/vs-test.c b/src/gallium/tests/graw/vs-test.c
index d01cdf8..6c6f065 100644
--- a/src/gallium/tests/graw/vs-test.c
+++ b/src/gallium/tests/graw/vs-test.c
@@ -320,12 +320,10 @@ static void init_tex( void )
    {
       struct pipe_transfer *t;
       uint32_t *ptr;
-      t = pipe_get_transfer(ctx, samptex,
-                            0, 0, /* level, layer */
-                            PIPE_TRANSFER_READ,
-                            0, 0, SIZE, SIZE); /* x, y, width, height */
-
-      ptr = ctx->transfer_map(ctx, t);
+      ptr = pipe_transfer_map(ctx, samptex,
+                              0, 0, /* level, layer */
+                              PIPE_TRANSFER_READ,
+                              0, 0, SIZE, SIZE, &t); /* x, y, width, height */
 
       if (memcmp(ptr, tex2d, sizeof tex2d) != 0) {
          assert(0);
@@ -333,8 +331,6 @@ static void init_tex( void )
       }
 
       ctx->transfer_unmap(ctx, t);
-
-      ctx->transfer_destroy(ctx, t);
    }
 
    memset(&sv_template, 0, sizeof sv_template);
diff --git a/src/gallium/tests/trivial/quad-tex.c b/src/gallium/tests/trivial/quad-tex.c
index 83790e6..6162dd0 100644
--- a/src/gallium/tests/trivial/quad-tex.c
+++ b/src/gallium/tests/trivial/quad-tex.c
@@ -175,17 +175,13 @@ static void init_prog(struct program *p)
 		box.width = 2;
 		box.height = 2;
 
-		t = p->pipe->get_transfer(p->pipe, p->tex, 0, PIPE_TRANSFER_WRITE, &box);
-
-		ptr = p->pipe->transfer_map(p->pipe, t);
+		ptr = p->pipe->transfer_map(p->pipe, p->tex, 0, PIPE_TRANSFER_WRITE, &box, &t);
 		ptr[0] = 0xffff0000;
 		ptr[1] = 0xff0000ff;
 		ptr[2] = 0xff00ff00;
 		ptr[3] = 0xffffff00;
 		p->pipe->transfer_unmap(p->pipe, t);
 
-		p->pipe->transfer_destroy(p->pipe, t);
-
 		u_sampler_view_default_template(&v_tmplt, p->tex, p->tex->format);
 
 		p->view = p->pipe->create_sampler_view(p->pipe, p->tex, &v_tmplt);