[Piglit] [CRUCIBLE] [PATCH] Add test for maximum buffer ranges

[Nanley Chery]

This test demonstrates a bug in mesa 29f53d793781b67a92bb95fe66d7d38adc5488bb ,
in which Anvil fails an ISL assertion that the maximum buffer range is less
than a certain size.

Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
---
 Makefile.am                     |   1 +
 src/tests/stress/buffer_limit.c | 102 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 src/tests/stress/buffer_limit.c

diff --git a/Makefile.am b/Makefile.am
index e2b3f42..a057d39 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -96,6 +96,7 @@ bin_crucible_SOURCES = \
 	src/tests/func/ssbo/interleave.c \
 	src/tests/func/renderpass/clear.c \
 	src/tests/stress/lots-of-surface-state.c \
+	src/tests/stress/buffer_limit.c \
 	src/tests/self/concurrent-output.c \
 	src/util/cru_cleanup.c \
 	src/util/cru_format.c \
diff --git a/src/tests/stress/buffer_limit.c b/src/tests/stress/buffer_limit.c
new file mode 100644
index 0000000..7bc94ca
--- /dev/null
+++ b/src/tests/stress/buffer_limit.c
@@ -0,0 +1,102 @@
+// 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.
+
+// \file buffer_limit.c
+// \brief Update a buffer descriptor to have the maximum range possible.
+
+#include "tapi/t.h"
+
+struct params {
+    VkDescriptorType descriptor_type;
+};
+
+
+static void
+test_max_buffer()
+{
+    const struct params *params = t_user_data;
+
+    const uint32_t buffer_size = (params->descriptor_type ==
+                                  VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER) ?
+			t_physical_dev_props->limits.maxUniformBufferRange :
+			t_physical_dev_props->limits.maxStorageBufferRange;
+
+    /* Create a uniform buffer with-out memory-backing */
+    VkBuffer buffer = qoCreateBuffer(t_device,
+                                     .usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT |
+                                              VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
+                                     .size = buffer_size);
+
+    /* Allocate a descriptor set consisting of one binding */
+    VkDescriptorSetLayout set_layout = qoCreateDescriptorSetLayout(t_device,
+            .bindingCount = 1,
+            .pBindings = (VkDescriptorSetLayoutBinding[]) {
+                {
+                    .binding = 0,
+                    .descriptorType = params->descriptor_type,
+                    .descriptorCount = 1,
+                    .stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
+                    .pImmutableSamplers = NULL,
+                },
+            });
+
+    VkDescriptorSet set = qoAllocateDescriptorSet(t_device,
+                                .descriptorPool = t_descriptor_pool,
+                                .pSetLayouts = &set_layout);
+
+    vkUpdateDescriptorSets(t_device,
+        /*writeCount*/ 1,
+        (VkWriteDescriptorSet[]) {
+            {
+                .sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+                .dstSet = set,
+                .dstBinding = 0,
+                .dstArrayElement = 0,
+                .descriptorCount = 1,
+                .descriptorType = params->descriptor_type,
+                .pBufferInfo = &(VkDescriptorBufferInfo) {
+                    .buffer = buffer,
+                    .offset = 0,
+                    .range = buffer_size,
+                },
+            },
+        }, 0, NULL);
+
+    qoEndCommandBuffer(t_cmd_buffer);
+}
+
+test_define {
+    .name = "stress.limits.buffer-update.range.uniform",
+    .start = test_max_buffer,
+    .no_image = true,
+    .user_data = &(struct params) {
+        .descriptor_type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
+    },
+};
+
+test_define {
+    .name = "stress.limits.buffer-update.range.storage",
+    .start = test_max_buffer,
+    .no_image = true,
+    .user_data = &(struct params) {
+        .descriptor_type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
+    },
+};
-- 
2.9.0