r600g: correct texture memory size for Z32F_S8X24 on evergreen

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 4cf9cb832bdda5bd7bf75d4257fa335d459a52eb..5e99a04a3eb4d00535aaffb95b6b429c92d1ba1d 100644 (file)
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -232,7 +232,8 @@ static void r600_texture_set_array_mode(struct pipe_screen *screen,
        }
 }
 
-static int r600_init_surface(struct radeon_surface *surface,
+static int r600_init_surface(struct r600_screen *rscreen,
+                            struct radeon_surface *surface,
                             const struct pipe_resource *ptex,
                             unsigned array_mode,
                             bool is_transfer, bool is_flushed_depth)
@@ -252,11 +253,19 @@ static int r600_init_surface(struct radeon_surface *surface,
        surface->blk_d = 1;
        surface->array_size = 1;
        surface->last_level = ptex->last_level;
-       surface->bpe = util_format_get_blocksize(ptex->format);
-       /* align byte per element on dword */
-       if (surface->bpe == 3) {
-               surface->bpe = 4;
+
+       if (rscreen->chip_class >= EVERGREEN &&
+           !is_transfer && !is_flushed_depth &&
+           ptex->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
+               surface->bpe = 4; /* stencil is allocated separately on evergreen */
+       } else {
+               surface->bpe = util_format_get_blocksize(ptex->format);
+               /* align byte per element on dword */
+               if (surface->bpe == 3) {
+                       surface->bpe = 4;
+               }
        }
+
        surface->nsamples = 1;
        surface->flags = 0;
        switch (array_mode) {
@@ -647,7 +656,7 @@ struct pipe_resource *r600_texture_create(struct pipe_screen *screen,
                }
        }
 
-       r = r600_init_surface(&surface, templ, array_mode,
+       r = r600_init_surface(rscreen, &surface, templ, array_mode,
                              templ->flags & R600_RESOURCE_FLAG_TRANSFER,
                              templ->flags & R600_RESOURCE_FLAG_FLUSHED_DEPTH);
        if (r) {
@@ -730,7 +739,7 @@ struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen,
        else
                array_mode = 0;
 
-       r = r600_init_surface(&surface, templ, array_mode, false, false);
+       r = r600_init_surface(rscreen, &surface, templ, array_mode, false, false);
        if (r) {
                return NULL;
        }