Wrote test for sparse image binding with testing actual content - function BaseImage::TestContent. It uses vkCopyBufferToImage and then a compute shader to read back pixels of the image.

Author: adam-sawicki-a

bin/SparseBindingTest.comp.spv

@@ -1,3 +1,4 @@
 %VULKAN_SDK%/Bin32/glslangValidator.exe -V -o ../../bin/Shader.vert.spv Shader.vert
 %VULKAN_SDK%/Bin32/glslangValidator.exe -V -o ../../bin/Shader.frag.spv Shader.frag
+%VULKAN_SDK%/Bin32/glslangValidator.exe -V -o ../../bin/SparseBindingTest.comp.spv SparseBindingTest.comp
 pause

src/Shaders/CompileShaders.bat

@@ -0,0 +1,44 @@
+//
+// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
+//
+// 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 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.
+//
+
+#version 450
+#extension GL_ARB_separate_shader_objects : enable
+
+layout(local_size_x=1, local_size_y=1, local_size_z=1) in;
+
+layout(binding=0) uniform sampler2D img;
+layout(binding=1) buffer buf
+{
+	uint bufValues[];
+};
+
+void main()
+{
+	ivec2 xy = ivec2(bufValues[gl_GlobalInvocationID.x * 3],
+		bufValues[gl_GlobalInvocationID.x * 3 + 1]);
+	vec4 color = texture(img, xy);
+	bufValues[gl_GlobalInvocationID.x * 3 + 2] =
+		uint(color.r * 255.0) << 24 |
+		uint(color.g * 255.0) << 16 |
+		uint(color.b * 255.0) <<  8 |
+		uint(color.a * 255.0);
+}