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-rw-r--r--src/mesa/drivers/dri/i965/gen7_blorp.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen7_blorp.cpp b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
index 9ce1a758399..920790a2b79 100644
--- a/src/mesa/drivers/dri/i965/gen7_blorp.cpp
+++ b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
@@ -663,6 +663,7 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
uint32_t draw_y = params->depth.y_offset;
uint32_t tile_mask_x, tile_mask_y;
uint8_t mocs = brw->is_haswell ? GEN7_MOCS_L3 : 0;
+ uint32_t surfwidth, surfheight;
uint32_t surftype;
unsigned int depth = MAX2(params->depth.mt->logical_depth0, 1);
unsigned int min_array_element;
@@ -698,6 +699,18 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
lod = params->depth.level - params->depth.mt->first_level;
+ if (params->hiz_op != GEN6_HIZ_OP_NONE && lod == 0) {
+ /* HIZ ops for lod 0 may set the width & height a little
+ * larger to allow the fast depth clear to fit the hardware
+ * alignment requirements. (8x4)
+ */
+ surfwidth = params->depth.width;
+ surfheight = params->depth.height;
+ } else {
+ surfwidth = params->depth.mt->physical_width0;
+ surfheight = params->depth.mt->physical_height0;
+ }
+
/* 3DSTATE_DEPTH_BUFFER */
{
uint32_t tile_x = draw_x & tile_mask_x;