Module: Mesa
Branch: master
Commit: ef11ed61a0414d0405c3faf7f48fa3f1d083f82e
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=ef11ed61a0414d0405c3faf7f48fa3f1d083f82e

Author: Marek Olšák <[email protected]>
Date:   Thu Dec 20 00:28:24 2012 +0100

r600g: add assertions to prevent creation of invalid surfaces

---

 src/gallium/drivers/r600/r600_blit.c    |   16 ----------------
 src/gallium/drivers/r600/r600_pipe.h    |   16 ++++++++++++++++
 src/gallium/drivers/r600/r600_texture.c |    2 ++
 3 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_blit.c 
b/src/gallium/drivers/r600/r600_blit.c
index f702f7b..219d940 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -98,22 +98,6 @@ static void r600_blitter_end(struct pipe_context *ctx)
         r600_resume_nontimer_queries(rctx);
 }
 
-static unsigned u_max_layer(struct pipe_resource *r, unsigned level)
-{
-       switch (r->target) {
-       case PIPE_TEXTURE_CUBE:
-               return 6 - 1;
-       case PIPE_TEXTURE_3D:
-               return u_minify(r->depth0, level) - 1;
-       case PIPE_TEXTURE_1D_ARRAY:
-       case PIPE_TEXTURE_2D_ARRAY:
-       case PIPE_TEXTURE_CUBE_ARRAY:
-               return r->array_size - 1;
-       default:
-               return 0;
-       }
-}
-
 static unsigned u_max_sample(struct pipe_resource *r)
 {
        return r->nr_samples ? r->nr_samples - 1 : 0;
diff --git a/src/gallium/drivers/r600/r600_pipe.h 
b/src/gallium/drivers/r600/r600_pipe.h
index c348c76..8df50e9 100644
--- a/src/gallium/drivers/r600/r600_pipe.h
+++ b/src/gallium/drivers/r600/r600_pipe.h
@@ -920,4 +920,20 @@ static INLINE uint64_t r600_resource_va(struct pipe_screen 
*screen, struct pipe_
        return rscreen->ws->buffer_get_virtual_address(rresource->cs_buf);
 }
 
+static INLINE unsigned u_max_layer(struct pipe_resource *r, unsigned level)
+{
+       switch (r->target) {
+       case PIPE_TEXTURE_CUBE:
+               return 6 - 1;
+       case PIPE_TEXTURE_3D:
+               return u_minify(r->depth0, level) - 1;
+       case PIPE_TEXTURE_1D_ARRAY:
+       case PIPE_TEXTURE_2D_ARRAY:
+       case PIPE_TEXTURE_CUBE_ARRAY:
+               return r->array_size - 1;
+       default:
+               return 0;
+       }
+}
+
 #endif
diff --git a/src/gallium/drivers/r600/r600_texture.c 
b/src/gallium/drivers/r600/r600_texture.c
index 56e9b64..0925333 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -558,6 +558,8 @@ struct pipe_surface *r600_create_surface_custom(struct 
pipe_context *pipe,
 {
        struct r600_surface *surface = CALLOC_STRUCT(r600_surface);
 
+        assert(templ->u.tex.first_layer <= u_max_layer(texture, 
templ->u.tex.level));
+        assert(templ->u.tex.last_layer <= u_max_layer(texture, 
templ->u.tex.level));
        assert(templ->u.tex.first_layer == templ->u.tex.last_layer);
        if (surface == NULL)
                return NULL;

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