commit 3f128ef9e34ba135e5713b2863c47274f1208752
author Chris Forbes <chrisforbes@google.com> Wed Jun 29 14:58:53 2016 +1200
committer Chris Forbes <chrisforbes@google.com> Fri Jul 01 17:44:15 2016 +1200
tree 6a953df4e5cefc803aa2b2e39dbb458933ee5058
parent d59af1e6878492cfc49c9de53a323eb5ee187484

tests: Add test for inconsistent sample counts within a subpass

Signed-off-by: Chris Forbes <chrisforbes@google.com>

tests/layer_validation_tests.cpp

diff --git a/tests/layer_validation_tests.cpp b/tests/layer_validation_tests.cpp
index c6bbda4..601e400 100644
--- a/tests/layer_validation_tests.cpp
+++ b/tests/layer_validation_tests.cpp
@@ -3612,6 +3612,64 @@
         vkDestroyRenderPass(m_device->device(), rp, nullptr);
 }
 
+TEST_F(VkLayerTest, CreateRenderPassSubpassSampleCountConsistency) {
+    ASSERT_NO_FATAL_FAILURE(InitState());
+
+    m_errorMonitor->SetDesiredFailureMsg(
+        VK_DEBUG_REPORT_ERROR_BIT_EXT,
+        "Subpass 0 attempts to render to attachments with inconsistent sample counts");
+
+    VkAttachmentDescription attachments[] = {
+        {
+            0, VK_FORMAT_R8G8B8A8_UNORM,
+            VK_SAMPLE_COUNT_1_BIT,
+            VK_ATTACHMENT_LOAD_OP_DONT_CARE, VK_ATTACHMENT_STORE_OP_DONT_CARE,
+            VK_ATTACHMENT_LOAD_OP_DONT_CARE, VK_ATTACHMENT_STORE_OP_DONT_CARE,
+            VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+            VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
+        },
+        {
+            0, VK_FORMAT_R8G8B8A8_UNORM,
+            VK_SAMPLE_COUNT_4_BIT,
+            VK_ATTACHMENT_LOAD_OP_DONT_CARE, VK_ATTACHMENT_STORE_OP_DONT_CARE,
+            VK_ATTACHMENT_LOAD_OP_DONT_CARE, VK_ATTACHMENT_STORE_OP_DONT_CARE,
+            VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+            VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
+        },
+    };
+
+    VkAttachmentReference color[] = {
+        {
+            0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+        },
+        {
+            1, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
+        },
+    };
+
+    VkSubpassDescription subpass = {
+        0, VK_PIPELINE_BIND_POINT_GRAPHICS,
+        0, nullptr,
+        2, color,
+        nullptr,
+        nullptr,
+        0, nullptr
+    };
+
+    VkRenderPassCreateInfo rpci = {
+        VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, nullptr,
+        0, 2, attachments, 1, &subpass, 0, nullptr
+    };
+
+    VkRenderPass rp;
+    VkResult err = vkCreateRenderPass(m_device->device(), &rpci, nullptr, &rp);
+
+    m_errorMonitor->VerifyFound();
+
+    if (err == VK_SUCCESS)
+        vkDestroyRenderPass(m_device->device(), rp, nullptr);
+}
+
 TEST_F(VkLayerTest, FramebufferCreateErrors) {
     TEST_DESCRIPTION("Hit errors when attempting to create a framebuffer :\n"
                      " 1. Mismatch between fb & renderPass attachmentCount\n"