Module: Mesa
Branch: master
Commit: de126b0402c53ed9011b8ea5237daea554537aa1
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=de126b0402c53ed9011b8ea5237daea554537aa1

Author: Dave Airlie <airl...@redhat.com>
Date:   Thu Mar 31 16:17:35 2016 +1000

r600: add support for early depth/stencil.

This add support for the early depth/stencil property found
on image shaders.

Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
Signed-off-by: Dave Airlie <airl...@redhat.com>

---

 src/gallium/drivers/r600/evergreen_state.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/r600/evergreen_state.c 
b/src/gallium/drivers/r600/evergreen_state.c
index 4ffc2684d5..96eb35a981 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -3159,6 +3159,9 @@ void evergreen_update_ps_state(struct pipe_context *ctx, 
struct r600_pipe_shader
        db_shader_control |= S_02880C_STENCIL_EXPORT_ENABLE(stencil_export);
        db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(mask_export);
 
+       if 
(shader->selector->info.properties[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL])
+               db_shader_control |= S_02880C_DEPTH_BEFORE_SHADER(1);
+
        switch (rshader->ps_conservative_z) {
        default: /* fall through */
        case TGSI_FS_DEPTH_LAYOUT_ANY:

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