Fix ray tracing validation

Author: SaschaWillems

base/VulkanRaytracingSample.cpp

@@ -1,7 +1,7 @@
 /*
 * Extended sample base class for ray tracing based samples
 *
-* Copyright (C) 2020-2024 by Sascha Willems - www.saschawillems.de
+* Copyright (C) 2020-2025 by Sascha Willems - www.saschawillems.de
 *
 * This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
 */
@@ -139,6 +139,9 @@ void VulkanRaytracingSample::enableExtensions()
 
 	// Required by VK_KHR_spirv_1_4
 	enabledDeviceExtensions.push_back(VK_KHR_SHADER_FLOAT_CONTROLS_EXTENSION_NAME);
+
+	// Format for the storage image is decided at runtime, so we can't explicilily state it in the shader
+	enabledFeatures.shaderStorageImageWriteWithoutFormat = VK_TRUE;
 }
 
 VulkanRaytracingSample::ScratchBuffer VulkanRaytracingSample::createScratchBuffer(VkDeviceSize size)

examples/raytracingbasic/raytracingbasic.cpp

@@ -743,6 +743,9 @@ class VulkanExample : public VulkanExampleBase
 		enabledAccelerationStructureFeatures.pNext = &enabledRayTracingPipelineFeatures;
 
 		deviceCreatepNextChain = &enabledAccelerationStructureFeatures;
+
+		// Format for the storage image is decided at runtime, so we can't explicilily state it in the shader
+		enabledFeatures.shaderStorageImageWriteWithoutFormat = VK_TRUE;
 	}
 
 	void prepare()

examples/raytracingsbtdata/raytracingsbtdata.cpp

@@ -105,6 +105,9 @@ class VulkanExample : public VulkanExampleBase
 
 		// Required by VK_KHR_spirv_1_4
 		enabledDeviceExtensions.push_back(VK_KHR_SHADER_FLOAT_CONTROLS_EXTENSION_NAME);
+
+		// Format for the storage image is decided at runtime, so we can't explicilily state it in the shader
+		enabledFeatures.shaderStorageImageWriteWithoutFormat = VK_TRUE;
 	}
 
 	~VulkanExample()

shaders/glsl/raytracingbasic/raygen.rgen

@@ -1,8 +1,9 @@
 #version 460
 #extension GL_EXT_ray_tracing : enable
+#extension GL_EXT_shader_image_load_formatted : enable
 
 layout(binding = 0, set = 0) uniform accelerationStructureEXT topLevelAS;
-layout(binding = 1, set = 0, rgba8) uniform image2D image;
+layout(binding = 1, set = 0) uniform image2D image;
 layout(binding = 2, set = 0) uniform CameraProperties 
 {
 	mat4 viewInverse;

shaders/glsl/raytracingbasic/raygen.rgen.spv

@@ -1,8 +1,9 @@
 #version 460
 #extension GL_EXT_ray_tracing : require
+#extension GL_EXT_shader_image_load_formatted : enable
 
 layout(binding = 0, set = 0) uniform accelerationStructureEXT topLevelAS;
-layout(binding = 1, set = 0, rgba8) uniform image2D image;
+layout(binding = 1, set = 0) uniform image2D image;
 layout(binding = 2, set = 0) uniform CameraProperties 
 {
 	mat4 viewInverse;

shaders/glsl/raytracingcallable/raygen.rgen

@@ -1,4 +1,4 @@
-/* Copyright (c) 2023, Sascha Willems
+/* Copyright (c) 2023-2025, Sascha Willems
  *
  * SPDX-License-Identifier: MIT
  *
@@ -7,9 +7,10 @@
 #version 460
 #extension GL_EXT_ray_tracing : enable
 #extension GL_GOOGLE_include_directive : require
+#extension GL_EXT_shader_image_load_formatted : enable
 
 layout(binding = 0, set = 0) uniform accelerationStructureEXT topLevelAS;
-layout(binding = 1, set = 0, rgba8) uniform image2D image;
+layout(binding = 1, set = 0) uniform image2D image;
 layout(binding = 2, set = 0) uniform CameraProperties 
 {
 	mat4 viewInverse;

shaders/glsl/raytracingcallable/raygen.rgen.spv

@@ -1,8 +1,9 @@
 #version 460
 #extension GL_EXT_ray_tracing : require
+#extension GL_EXT_shader_image_load_formatted : enable
 
 layout(binding = 0, set = 0) uniform accelerationStructureEXT topLevelAS;
-layout(binding = 1, set = 0, rgba8) uniform image2D image;
+layout(binding = 1, set = 0) uniform image2D image;
 layout(binding = 2, set = 0) uniform CameraProperties 
 {
 	mat4 viewInverse;