4 files changed, 13 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_compiler.h b/src/mesa/drivers/dri/i965/brw_compiler.h
index 65a74784642..410641f5d94 100644
--- a/src/mesa/drivers/dri/i965/brw_compiler.h
+++ b/src/mesa/drivers/dri/i965/brw_compiler.h
@@ -397,6 +397,7 @@ struct brw_wm_prog_data {
    bool computed_stencil;
 
    bool early_fragment_tests;
+   bool post_depth_coverage;
    bool dispatch_8;
    bool dispatch_16;
    bool dual_src_blend;
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index c218f56684d..ce0c07e124f 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -6454,6 +6454,7 @@ brw_compile_fs(const struct brw_compiler *compiler, void *log_data,
        shader->info->outputs_read);
 
    prog_data->early_fragment_tests = shader->info->fs.early_fragment_tests;
+   prog_data->post_depth_coverage = shader->info->fs.post_depth_coverage;
 
    prog_data->barycentric_interp_modes =
       brw_compute_barycentric_interp_modes(compiler->devinfo, shader);
diff --git a/src/mesa/drivers/dri/i965/gen8_ps_state.c b/src/mesa/drivers/dri/i965/gen8_ps_state.c
index a4eb962a2cb..33ef0231557 100644
--- a/src/mesa/drivers/dri/i965/gen8_ps_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_ps_state.c
@@ -53,10 +53,17 @@ gen8_upload_ps_extra(struct brw_context *brw,
       dw1 |= GEN8_PSX_SHADER_IS_PER_SAMPLE;
 
    if (prog_data->uses_sample_mask) {
-      if (brw->gen >= 9)
-         dw1 |= BRW_PSICMS_INNER << GEN9_PSX_SHADER_NORMAL_COVERAGE_MASK_SHIFT;
-      else
+      if (brw->gen >= 9) {
+         if (prog_data->post_depth_coverage) {
+            dw1 |= BRW_PCICMS_DEPTH << GEN9_PSX_SHADER_NORMAL_COVERAGE_MASK_SHIFT;
+         }
+         else {
+            dw1 |= BRW_PSICMS_INNER << GEN9_PSX_SHADER_NORMAL_COVERAGE_MASK_SHIFT;
+         }
+      }
+      else {
          dw1 |= GEN8_PSX_SHADER_USES_INPUT_COVERAGE_MASK;
+      }
    }
 
    if (prog_data->uses_omask)
diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c
index 66079b5fdd8..19f4684a188 100644
--- a/src/mesa/drivers/dri/i965/intel_extensions.c
+++ b/src/mesa/drivers/dri/i965/intel_extensions.c
@@ -415,6 +415,7 @@ intelInitExtensions(struct gl_context *ctx)
       ctx->Extensions.KHR_texture_compression_astc_ldr = true;
       ctx->Extensions.KHR_texture_compression_astc_sliced_3d = true;
       ctx->Extensions.MESA_shader_framebuffer_fetch = true;
+      ctx->Extensions.ARB_post_depth_coverage = true;
    }
 
    if (ctx->API == API_OPENGL_CORE)