summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/mesa/drivers/dri/intel/intel_mipmap_tree.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index ee2d1e03ad2..0d49fec43d4 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -876,7 +876,8 @@ intel_miptree_map_depthstencil(struct intel_context *intel,
{
struct intel_mipmap_tree *z_mt = mt;
struct intel_mipmap_tree *s_mt = mt->stencil_mt;
- int packed_bpp = 4;
+ bool map_z32f_x24s8 = mt->format == MESA_FORMAT_Z32_FLOAT;
+ int packed_bpp = map_z32f_x24s8 ? 8 : 4;
map->stride = map->w * packed_bpp;
map->buffer = map->ptr = malloc(map->stride * map->h);
@@ -911,7 +912,12 @@ intel_miptree_map_depthstencil(struct intel_context *intel,
uint8_t s = s_map[s_offset];
uint32_t z = z_map[z_offset];
- packed_map[y * map->w + x] = (s << 24) | (z & 0x00ffffff);
+ if (map_z32f_x24s8) {
+ packed_map[(y * map->w + x) * 2 + 0] = z;
+ packed_map[(y * map->w + x) * 2 + 1] = s;
+ } else {
+ packed_map[y * map->w + x] = (s << 24) | (z & 0x00ffffff);
+ }
}
}
@@ -940,6 +946,7 @@ intel_miptree_unmap_depthstencil(struct intel_context *intel,
{
struct intel_mipmap_tree *z_mt = mt;
struct intel_mipmap_tree *s_mt = mt->stencil_mt;
+ bool map_z32f_x24s8 = mt->format == MESA_FORMAT_Z32_FLOAT;
if (map->mode & GL_MAP_WRITE_BIT) {
uint32_t *packed_map = map->ptr;
@@ -960,10 +967,15 @@ intel_miptree_unmap_depthstencil(struct intel_context *intel,
y + s_image_y + map->y);
ptrdiff_t z_offset = ((y + z_image_y) * z_mt->region->pitch +
(x + z_image_x));
- uint32_t packed = packed_map[y * map->w + x];
- s_map[s_offset] = packed >> 24;
- z_map[z_offset] = packed;
+ if (map_z32f_x24s8) {
+ z_map[z_offset] = packed_map[(y * map->w + x) * 2 + 0];
+ s_map[s_offset] = packed_map[(y * map->w + x) * 2 + 1];
+ } else {
+ uint32_t packed = packed_map[y * map->w + x];
+ s_map[s_offset] = packed >> 24;
+ z_map[z_offset] = packed;
+ }
}
}