[Mesa-dev] [PATCH] anv: Use macro to avoid code duplication for sample positions

Anuj Phogat anuj.phogat at gmail.com
Thu Aug 11 17:39:12 UTC 2016


Suggested-by: Jason Ekstrand <jason at jlekstrand.net>
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 src/intel/vulkan/genX_multisample.h   | 95 +++++++++++++++++++++++++++++++++++
 src/intel/vulkan/genX_pipeline_util.h | 35 ++-----------
 src/intel/vulkan/genX_state.c         | 68 +++----------------------
 3 files changed, 106 insertions(+), 92 deletions(-)
 create mode 100644 src/intel/vulkan/genX_multisample.h

diff --git a/src/intel/vulkan/genX_multisample.h b/src/intel/vulkan/genX_multisample.h
new file mode 100644
index 0000000..0deb48f
--- /dev/null
+++ b/src/intel/vulkan/genX_multisample.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#pragma once
+
+#define SAMPLE_POS_1X(prefix) \
+prefix##0XOffset   = 0.5; \
+prefix##0YOffset   = 0.5;
+
+#define SAMPLE_POS_2X(prefix) \
+prefix##0XOffset   = 0.25; \
+prefix##0YOffset   = 0.25; \
+prefix##1XOffset   = 0.75; \
+prefix##1YOffset   = 0.75;
+
+#define SAMPLE_POS_4X(prefix) \
+prefix##0XOffset   = 0.375; \
+prefix##0YOffset   = 0.125; \
+prefix##1XOffset   = 0.875; \
+prefix##1YOffset   = 0.375; \
+prefix##2XOffset   = 0.125; \
+prefix##2YOffset   = 0.625; \
+prefix##3XOffset   = 0.625; \
+prefix##3YOffset   = 0.875;
+
+#define SAMPLE_POS_8X(prefix) \
+prefix##0XOffset   = 0.5625; \
+prefix##0YOffset   = 0.3125; \
+prefix##1XOffset   = 0.4375; \
+prefix##1YOffset   = 0.6875; \
+prefix##2XOffset   = 0.8125; \
+prefix##2YOffset   = 0.5625; \
+prefix##3XOffset   = 0.3125; \
+prefix##3YOffset   = 0.1875; \
+prefix##4XOffset   = 0.1875; \
+prefix##4YOffset   = 0.8125; \
+prefix##5XOffset   = 0.0625; \
+prefix##5YOffset   = 0.4375; \
+prefix##6XOffset   = 0.6875; \
+prefix##6YOffset   = 0.9375; \
+prefix##7XOffset   = 0.9375; \
+prefix##7YOffset   = 0.0625;
+
+#define SAMPLE_POS_16X(prefix) \
+prefix##0XOffset   = 0.5625; \
+prefix##0YOffset   = 0.5625; \
+prefix##1XOffset   = 0.4375; \
+prefix##1YOffset   = 0.3125; \
+prefix##2XOffset   = 0.3125; \
+prefix##2YOffset   = 0.6250; \
+prefix##3XOffset   = 0.7500; \
+prefix##3YOffset   = 0.4375; \
+prefix##4XOffset   = 0.1875; \
+prefix##4YOffset   = 0.3750; \
+prefix##5XOffset   = 0.6250; \
+prefix##5YOffset   = 0.8125; \
+prefix##6XOffset   = 0.8125; \
+prefix##6YOffset   = 0.6875; \
+prefix##7XOffset   = 0.6875; \
+prefix##7YOffset   = 0.1875; \
+prefix##8XOffset   = 0.3750; \
+prefix##8YOffset   = 0.8750; \
+prefix##9XOffset   = 0.5000; \
+prefix##9YOffset   = 0.0625; \
+prefix##10XOffset  = 0.2500; \
+prefix##10YOffset  = 0.1250; \
+prefix##11XOffset  = 0.1250; \
+prefix##11YOffset  = 0.7500; \
+prefix##12XOffset  = 0.0000; \
+prefix##12YOffset  = 0.5000; \
+prefix##13XOffset  = 0.9375; \
+prefix##13YOffset  = 0.2500; \
+prefix##14XOffset  = 0.8750; \
+prefix##14YOffset  = 0.9375; \
+prefix##15XOffset  = 0.0625; \
+prefix##15YOffset  = 0.0000;
diff --git a/src/intel/vulkan/genX_pipeline_util.h b/src/intel/vulkan/genX_pipeline_util.h
index 64b89cd..cf2adb0 100644
--- a/src/intel/vulkan/genX_pipeline_util.h
+++ b/src/intel/vulkan/genX_pipeline_util.h
@@ -22,6 +22,7 @@
  */
 
 #include "vk_format_info.h"
+#include "genX_multisample.h"
 
 static uint32_t
 vertex_element_comp_control(enum isl_format format, unsigned comp)
@@ -488,42 +489,16 @@ emit_ms_state(struct anv_pipeline *pipeline,
 
       switch (samples) {
       case 1:
-         ms.Sample0XOffset          = 0.5;
-         ms.Sample0YOffset          = 0.5;
+         SAMPLE_POS_1X(ms.Sample);
          break;
       case 2:
-         ms.Sample0XOffset          = 0.25;
-         ms.Sample0YOffset          = 0.25;
-         ms.Sample1XOffset          = 0.75;
-         ms.Sample1YOffset          = 0.75;
+         SAMPLE_POS_2X(ms.Sample);
          break;
       case 4:
-         ms.Sample0XOffset          = 0.375;
-         ms.Sample0YOffset          = 0.125;
-         ms.Sample1XOffset          = 0.875;
-         ms.Sample1YOffset          = 0.375;
-         ms.Sample2XOffset          = 0.125;
-         ms.Sample2YOffset          = 0.625;
-         ms.Sample3XOffset          = 0.625;
-         ms.Sample3YOffset          = 0.875;
+         SAMPLE_POS_4X(ms.Sample);
          break;
       case 8:
-         ms.Sample0XOffset          = 0.5625;
-         ms.Sample0YOffset          = 0.3125;
-         ms.Sample1XOffset          = 0.4375;
-         ms.Sample1YOffset          = 0.6875;
-         ms.Sample2XOffset          = 0.8125;
-         ms.Sample2YOffset          = 0.5625;
-         ms.Sample3XOffset          = 0.3125;
-         ms.Sample3YOffset          = 0.1875;
-         ms.Sample4XOffset          = 0.1875;
-         ms.Sample4YOffset          = 0.8125;
-         ms.Sample5XOffset          = 0.0625;
-         ms.Sample5YOffset          = 0.4375;
-         ms.Sample6XOffset          = 0.6875;
-         ms.Sample6YOffset          = 0.9375;
-         ms.Sample7XOffset          = 0.9375;
-         ms.Sample7YOffset          = 0.0625;
+         SAMPLE_POS_8X(ms.Sample);
          break;
       default:
          break;
diff --git a/src/intel/vulkan/genX_state.c b/src/intel/vulkan/genX_state.c
index 8253a8b..2849b50 100644
--- a/src/intel/vulkan/genX_state.c
+++ b/src/intel/vulkan/genX_state.c
@@ -28,6 +28,7 @@
 #include <fcntl.h>
 
 #include "anv_private.h"
+#include "genX_multisample.h"
 
 #include "genxml/gen_macros.h"
 #include "genxml/genX_pack.h"
@@ -76,69 +77,12 @@ genX(init_device_state)(struct anv_device *device)
     * VkPhysicalDeviceFeatures::standardSampleLocations.
     */
    anv_batch_emit(&batch, GENX(3DSTATE_SAMPLE_PATTERN), sp) {
-      sp._1xSample0XOffset    = 0.5;
-      sp._1xSample0YOffset    = 0.5;
-      sp._2xSample0XOffset    = 0.25;
-      sp._2xSample0YOffset    = 0.25;
-      sp._2xSample1XOffset    = 0.75;
-      sp._2xSample1YOffset    = 0.75;
-      sp._4xSample0XOffset    = 0.375;
-      sp._4xSample0YOffset    = 0.125;
-      sp._4xSample1XOffset    = 0.875;
-      sp._4xSample1YOffset    = 0.375;
-      sp._4xSample2XOffset    = 0.125;
-      sp._4xSample2YOffset    = 0.625;
-      sp._4xSample3XOffset    = 0.625;
-      sp._4xSample3YOffset    = 0.875;
-      sp._8xSample0XOffset    = 0.5625;
-      sp._8xSample0YOffset    = 0.3125;
-      sp._8xSample1XOffset    = 0.4375;
-      sp._8xSample1YOffset    = 0.6875;
-      sp._8xSample2XOffset    = 0.8125;
-      sp._8xSample2YOffset    = 0.5625;
-      sp._8xSample3XOffset    = 0.3125;
-      sp._8xSample3YOffset    = 0.1875;
-      sp._8xSample4XOffset    = 0.1875;
-      sp._8xSample4YOffset    = 0.8125;
-      sp._8xSample5XOffset    = 0.0625;
-      sp._8xSample5YOffset    = 0.4375;
-      sp._8xSample6XOffset    = 0.6875;
-      sp._8xSample6YOffset    = 0.9375;
-      sp._8xSample7XOffset    = 0.9375;
-      sp._8xSample7YOffset    = 0.0625;
+      SAMPLE_POS_1X(sp._1xSample);
+      SAMPLE_POS_2X(sp._2xSample);
+      SAMPLE_POS_4X(sp._4xSample);
+      SAMPLE_POS_8X(sp._8xSample);
 #if GEN_GEN >= 9
-      sp._16xSample0XOffset   = 0.5625;
-      sp._16xSample0YOffset   = 0.5625;
-      sp._16xSample1XOffset   = 0.4375;
-      sp._16xSample1YOffset   = 0.3125;
-      sp._16xSample2XOffset   = 0.3125;
-      sp._16xSample2YOffset   = 0.6250;
-      sp._16xSample3XOffset   = 0.7500;
-      sp._16xSample3YOffset   = 0.4375;
-      sp._16xSample4XOffset   = 0.1875;
-      sp._16xSample4YOffset   = 0.3750;
-      sp._16xSample5XOffset   = 0.6250;
-      sp._16xSample5YOffset   = 0.8125;
-      sp._16xSample6XOffset   = 0.8125;
-      sp._16xSample6YOffset   = 0.6875;
-      sp._16xSample7XOffset   = 0.6875;
-      sp._16xSample7YOffset   = 0.1875;
-      sp._16xSample8XOffset   = 0.3750;
-      sp._16xSample8YOffset   = 0.8750;
-      sp._16xSample9XOffset   = 0.5000;
-      sp._16xSample9YOffset   = 0.0625;
-      sp._16xSample10XOffset  = 0.2500;
-      sp._16xSample10YOffset  = 0.1250;
-      sp._16xSample11XOffset  = 0.1250;
-      sp._16xSample11YOffset  = 0.7500;
-      sp._16xSample12XOffset  = 0.0000;
-      sp._16xSample12YOffset  = 0.5000;
-      sp._16xSample13XOffset  = 0.9375;
-      sp._16xSample13YOffset  = 0.2500;
-      sp._16xSample14XOffset  = 0.8750;
-      sp._16xSample14YOffset  = 0.9375;
-      sp._16xSample15XOffset  = 0.0625;
-      sp._16xSample15YOffset  = 0.0000;
+      SAMPLE_POS_16X(sp._16xSample);
 #endif
    }
 #endif
-- 
2.5.5



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