show images in the window and in a grid, remove image download because we can do that with Renderdoc python API to extract and check (or gfxreconstruct)

Author: devshgraphicsprogramming

24_ColorSpaceTest/CMakeLists.txt

@@ -21,4 +21,4 @@ if(NBL_EMBED_BUILTIN_RESOURCES)
 	ADD_CUSTOM_BUILTIN_RESOURCES(${_BR_TARGET_} RESOURCES_TO_EMBED "${_SEARCH_DIRECTORIES_}" "${RESOURCE_DIR}" "nbl::this_example::builtin" "${_OUTPUT_DIRECTORY_HEADER_}" "${_OUTPUT_DIRECTORY_SOURCE_}")
 
 	LINK_BUILTIN_RESOURCES_TO_TARGET(${EXECUTABLE_NAME} ${_BR_TARGET_})
-endif()
+endif() 

24_ColorSpaceTest/app_resources/present.frag.hlsl

@@ -10,7 +10,12 @@ using namespace nbl::hlsl::ext::FullScreenTriangle;
 [[vk::combinedImageSampler]][[vk::binding(0,3)]] Texture2DArray texture;
 [[vk::combinedImageSampler]][[vk::binding(0,3)]] SamplerState samplerState;
 
+#include "push_constants.hlsl"
+[[vk::push_constant]] push_constants_t pc;
+
 [[vk::location(0)]] float32_t4 main(SVertexAttributes vxAttr) : SV_Target0
 {
-    return texture.SampleLevel(samplerState,float32_t3(vxAttr.uv,0.f),0.0);
+    const float32_t2 repeatCoord = vxAttr.uv*float32_t2(pc.grid);
+    const int32_t layer = int32_t(repeatCoord.y)*pc.grid.x+int32_t(repeatCoord.x);
+    return texture.Sample(samplerState,float32_t3(repeatCoord,layer));
 }

24_ColorSpaceTest/app_resources/push_constants.hlsl

@@ -0,0 +1,8 @@
+// Copyright (C) 2024-2024 - DevSH Graphics Programming Sp. z O.O.
+// This file is part of the "Nabla Engine".
+// For conditions of distribution and use, see copyright notice in nabla.h
+
+struct push_constants_t
+{
+	uint16_t2 grid;
+};