Mesa (master): anv: Add support for depth bounds testing.

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Module: Mesa
Branch: master
Commit: 939ddccb7a541259957e883d2c9dedbe4df265ad
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=939ddccb7a541259957e883d2c9dedbe4df265ad

Author: Plamena Manolova <plamena.manolova at intel.com>
Date:   Thu Oct 24 21:05:11 2019 +0100

anv: Add support for depth bounds testing.

In gen12 we use the 3DSTATE_DEPTH_BOUNDS instruction
to enable depth bounds testing.

Signed-off-by: Plamena Manolova <plamena.manolova at intel.com>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

---

 src/intel/vulkan/anv_private.h     |  1 +
 src/intel/vulkan/gen8_cmd_buffer.c | 13 +++++++++++++
 src/intel/vulkan/genX_pipeline.c   |  1 +
 3 files changed, 15 insertions(+)

diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index ef246e4612e..cce986b7412 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -2886,6 +2886,7 @@ struct anv_pipeline {
    bool                                         depth_clip_enable;
    bool                                         sample_shading_enable;
    bool                                         kill_pixel;
+   bool                                         depth_bounds_test_enable;
 
    struct {
       uint32_t                                  sf[7];
diff --git a/src/intel/vulkan/gen8_cmd_buffer.c b/src/intel/vulkan/gen8_cmd_buffer.c
index e4f0c1410fb..58e41f29315 100644
--- a/src/intel/vulkan/gen8_cmd_buffer.c
+++ b/src/intel/vulkan/gen8_cmd_buffer.c
@@ -542,6 +542,19 @@ genX(cmd_buffer_flush_dynamic_state)(struct anv_cmd_buffer *cmd_buffer)
    }
 #endif
 
+#if GEN_GEN >= 12
+   if(cmd_buffer->state.gfx.dirty & (ANV_CMD_DIRTY_PIPELINE |
+                                     ANV_CMD_DIRTY_DYNAMIC_DEPTH_BOUNDS)) {
+      anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_DEPTH_BOUNDS), db) {
+         db.DepthBoundsTestValueModifyDisable = false;
+         db.DepthBoundsTestEnableModifyDisable = false;
+         db.DepthBoundsTestEnable = pipeline->depth_bounds_test_enable;
+         db.DepthBoundsTestMinValue = d->depth_bounds.min;
+         db.DepthBoundsTestMaxValue = d->depth_bounds.max;
+      }
+   }
+#endif
+
    if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_DYNAMIC_LINE_STIPPLE) {
       anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_LINE_STIPPLE), ls) {
          ls.LineStipplePattern = d->line_stipple.pattern;
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index 88f5b358faf..203b1f25310 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -1021,6 +1021,7 @@ emit_ds_state(struct anv_pipeline *pipeline,
    pipeline->stencil_test_enable = info.stencilTestEnable;
    pipeline->writes_depth = info.depthWriteEnable;
    pipeline->depth_test_enable = info.depthTestEnable;
+   pipeline->depth_bounds_test_enable = info.depthBoundsTestEnable;
 
    /* VkBool32 depthBoundsTestEnable; // optional (depth_bounds_test) */