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Diffstat (limited to 'src/gallium/drivers/r600/r600_blit.c')
-rw-r--r--src/gallium/drivers/r600/r600_blit.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index 219d940b3c1..6ef1d78c6fe 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -433,11 +433,39 @@ static void r600_clear(struct pipe_context *ctx, unsigned buffers,
struct r600_context *rctx = (struct r600_context *)ctx;
struct pipe_framebuffer_state *fb = &rctx->framebuffer.state;
+ /* if hyperz enabled just clear hyperz */
+ if (fb->zsbuf && (buffers & PIPE_CLEAR_DEPTH)) {
+ struct r600_texture *rtex;
+ unsigned level = fb->zsbuf->u.tex.level;
+
+ rtex = (struct r600_texture*)fb->zsbuf->texture;
+
+ /* We can't use hyperz fast clear if each slice of a texture
+ * array are clear to different value. To simplify code just
+ * disable fast clear for texture array.
+ */
+ /* Only use htile for first level */
+ if (rtex->htile && !level && rtex->surface.array_size == 1) {
+ if (rtex->depth_clear != depth) {
+ rtex->depth_clear = depth;
+ rctx->db_state.atom.dirty = true;
+ }
+ rctx->db_misc_state.htile_clear = true;
+ rctx->db_misc_state.atom.dirty = true;
+ }
+ }
+
r600_blitter_begin(ctx, R600_CLEAR);
util_blitter_clear(rctx->blitter, fb->width, fb->height,
fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
color, depth, stencil);
r600_blitter_end(ctx);
+
+ /* disable fast clear */
+ if (rctx->db_misc_state.htile_clear) {
+ rctx->db_misc_state.htile_clear = false;
+ rctx->db_misc_state.atom.dirty = true;
+ }
}
static void r600_clear_render_target(struct pipe_context *ctx,