Cleanup.

examples/19-oit/oit.cpp

@@ -346,11 +346,11 @@ public:
 				const double freq = double(bx::getHPFrequency() );
 				float time = (float)( (now-m_timeOffset)/freq);
 
-				// Reference:
-				// Weighted, Blended Order-Independent Transparency
-				// http://jcgt.org/published/0002/02/09/
-				// http://casual-effects.blogspot.com/2014/03/weighted-blended-order-independent.html
-
+				// Reference(s):
+				// - Weighted, Blended Order-Independent Transparency
+				//   https://web.archive.org/save/http://jcgt.org/published/0002/02/09/
+				//   https://web.archive.org/web/20181126040455/http://casual-effects.blogspot.com/2014/03/weighted-blended-order-independent.html
+				//
 				const bx::Vec3 at  = { 0.0f, 0.0f,  0.0f };
 				const bx::Vec3 eye = { 0.0f, 0.0f, -7.0f };
 

examples/37-gpudrivenrendering/gpudrivenrendering.cpp

@@ -4,13 +4,11 @@
  */
 
 /*
- * References:
- *
- * Experiments in GPU-based occlusion culling
- * https://web.archive.org/web/20180920045301/https://interplayoflight.wordpress.com/2017/11/15/experiments-in-gpu-based-occlusion-culling/
- *
- * Experiments in GPU-based occlusion culling part 2: MultiDrawIndirect and mesh lodding
- * https://web.archive.org/web/20180920045332/https://interplayoflight.wordpress.com/2018/01/15/experiments-in-gpu-based-occlusion-culling-part-2-multidrawindirect-and-mesh-lodding/
+ * Reference(s):
+ * - Experiments in GPU-based occlusion culling
+ *   https://web.archive.org/web/20180920045301/https://interplayoflight.wordpress.com/2017/11/15/experiments-in-gpu-based-occlusion-culling/
+ * - Experiments in GPU-based occlusion culling part 2: MultiDrawIndirect and mesh lodding
+ *   https://web.archive.org/web/20180920045332/https://interplayoflight.wordpress.com/2018/01/15/experiments-in-gpu-based-occlusion-culling-part-2-multidrawindirect-and-mesh-lodding/
  */
 
 #include "common.h"

examples/38-bloom/bloom.cpp

@@ -4,10 +4,9 @@
  */
 
 /*
- * References:
- *
- * Next Generation Post Processing in Call of Duty: Advanced Warfare
- * https://web.archive.org/web/20180920045230/http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare
+ * Reference(s):
+ * - Next Generation Post Processing in Call of Duty: Advanced Warfare
+ *   https://web.archive.org/web/20180920045230/http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare
  */
 
 #include "common.h"

examples/common/bounds.cpp

@@ -48,8 +48,9 @@ void toAabb(Aabb& _aabb, const Sphere& _sphere)
 
 void toAabb(Aabb& _aabb, const Disk& _disk)
 {
-	// Reference:
-	// https://web.archive.org/web/20181113055756/http://iquilezles.org/www/articles/diskbbox/diskbbox.htm
+	// Reference(s):
+	// - https://web.archive.org/web/20181113055756/http://iquilezles.org/www/articles/diskbbox/diskbbox.htm
+	//
 	const bx::Vec3 nsq = bx::mul(_disk.m_normal, _disk.m_normal);
 	const bx::Vec3 one = { 1.0f, 1.0f, 1.0f };
 	const bx::Vec3 tmp = bx::sub(one, nsq);
@@ -68,8 +69,9 @@ void toAabb(Aabb& _aabb, const Disk& _disk)
 
 void toAabb(Aabb& _aabb, const Cylinder& _cylinder)
 {
-	// Reference:
-	// https://web.archive.org/web/20181113055756/http://iquilezles.org/www/articles/diskbbox/diskbbox.htm
+	// Reference(s):
+	// - https://web.archive.org/web/20181113055756/http://iquilezles.org/www/articles/diskbbox/diskbbox.htm
+	//
 	const bx::Vec3 axis = bx::sub(_cylinder.m_end, _cylinder.m_pos);
 	const bx::Vec3 asq  = bx::mul(axis, axis);
 	const bx::Vec3 nsq  = bx::mul(asq, 1.0f/bx::dot(axis, axis) );

src/bgfx.cpp

@@ -4758,13 +4758,13 @@ extern "C"
 	// When laptop setup has integrated and discrete GPU, following driver workarounds will
 	// select discrete GPU:
 
-	// Reference:
-	//  - https://web.archive.org/web/20180722051003/https://docs.nvidia.com/gameworks/content/technologies/desktop/optimus.htm
+	// Reference(s):
+	// - https://web.archive.org/web/20180722051003/https://docs.nvidia.com/gameworks/content/technologies/desktop/optimus.htm
 	//
 	__declspec(dllexport) uint32_t NvOptimusEnablement = UINT32_C(1);
 
-	// Reference:
-	//  - https://web.archive.org/web/20180722051032/https://gpuopen.com/amdpowerxpressrequesthighperformance/
+	// Reference(s):
+	// - https://web.archive.org/web/20180722051032/https://gpuopen.com/amdpowerxpressrequesthighperformance/
 	//
 	__declspec(dllexport) uint32_t AmdPowerXpressRequestHighPerformance = UINT32_C(1);
 }

src/nvapi.cpp

@@ -11,9 +11,9 @@ namespace bgfx
 	/*
 	 * NVAPI
 	 *
-	 * Reference:
-	 * http://docs.nvidia.com/gameworks/content/gameworkslibrary/coresdk/nvapi/index.html
-	 * https://github.com/jNizM/AHK_NVIDIA_NvAPI/blob/master/info/NvAPI_IDs.txt
+	 * Reference(s):
+	 * - https://web.archive.org/web/20181126035649/https://docs.nvidia.com/gameworks/content/gameworkslibrary/coresdk/nvapi/index.html
+	 * - https://web.archive.org/web/20181126035710/https://github.com/jNizM/AHK_NVIDIA_NvAPI/blob/master/info/NvAPI_IDs.txt
 	 */
 
 	struct NvPhysicalGpuHandle;
@@ -72,8 +72,8 @@ namespace bgfx
 	/*
 	 * NVIDIA Aftermath
 	 *
-	 * Reference:
-	 * https://developer.nvidia.com/nvidia-aftermath
+	 * Reference(s):
+	 * - https://web.archive.org/web/20181126035743/https://developer.nvidia.com/nvidia-aftermath
 	 */
 
 	typedef int32_t (*PFN_NVAFTERMATH_DX11_INITIALIZE)(int32_t _version, int32_t _flags, const ID3D11Device* _device);

src/renderer_d3d11.cpp

@@ -560,8 +560,8 @@ namespace bgfx { namespace d3d11
 	/*
 	 * AMD GPU Services (AGS) library
 	 *
-	 * Reference:
-	 * https://github.com/GPUOpen-LibrariesAndSDKs/AGS_SDK
+	 * Reference(s):
+	 * - https://web.archive.org/web/20181126035805/https://github.com/GPUOpen-LibrariesAndSDKs/AGS_SDK
 	 */
 	enum AGS_RETURN_CODE
 	{

src/renderer_gl.cpp

@@ -2089,10 +2089,11 @@ BX_TRACE("%d, %d, %d, %s", _array, _srgb, _mipAutogen, getName(_format) );
 					// EXT_texture_format_BGRA8888 wants both format and internal
 					// format to be BGRA.
 					//
-					// Reference:
-					// https://www.khronos.org/registry/gles/extensions/EXT/EXT_texture_format_BGRA8888.txt
-					// https://www.opengl.org/registry/specs/EXT/bgra.txt
-					// https://www.khronos.org/registry/gles/extensions/APPLE/APPLE_texture_format_BGRA8888.txt
+					// Reference(s):
+					// - https://web.archive.org/web/20181126035829/https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_texture_format_BGRA8888.txt
+					// - https://web.archive.org/web/20181126035841/https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_bgra.txt
+					// - https://web.archive.org/web/20181126035851/https://www.khronos.org/registry/OpenGL/extensions/APPLE/APPLE_texture_format_BGRA8888.txt
+					//
 					if (!s_extension[Extension::EXT_bgra                     ].m_supported
 					&&  !s_extension[Extension::APPLE_texture_format_BGRA8888].m_supported)
 					{

src/shader_spirv.h

@@ -15,8 +15,9 @@ BX_ERROR_RESULT(BGFX_SHADER_SPIRV_INVALID_INSTRUCTION, BX_MAKEFOURCC('S', 'H', 0
 
 namespace bgfx
 {
-	// Reference: https://www.khronos.org/registry/spir-v/specs/1.0/SPIRV.html
-
+	// Reference(s):
+	// - https://web.archive.org/web/20181126035927/https://www.khronos.org/registry/spir-v/specs/1.0/SPIRV.html
+	//
 	struct SpvOpcode
 	{
 		enum Enum