Fixed loading 24-bit DDS texture.

src/image.cpp

@@ -2585,6 +2585,7 @@ namespace bgfx
 		{ 16, { 0x00000f00, 0x000000f0, 0x0000000f, 0x0000f000 }, TextureFormat::RGBA4   },
 		{ 16, { 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000 }, TextureFormat::R5G6B5  },
 		{ 16, { 0x00007c00, 0x000003e0, 0x0000001f, 0x00008000 }, TextureFormat::RGB5A1  },
+		{ 24, { 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 }, TextureFormat::RGB8    },
 		{ 32, { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 }, TextureFormat::BGRA8   },
 		{ 32, { 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000 }, TextureFormat::BGRA8   },
 		{ 32, { 0x000003ff, 0x000ffc00, 0x3ff00000, 0xc0000000 }, TextureFormat::RGB10A2 },
@@ -3432,10 +3433,14 @@ namespace bgfx
 			break;
 
 		default:
-			if (!imageConvert(_dst, TextureFormat::BGRA8, _src, _format, _width, _height, _pitch) )
 			{
-				// Failed to convert, just make ugly red-yellow checkerboard texture.
-				imageCheckerboard(_width, _height, 16, UINT32_C(0xffff0000), UINT32_C(0xffffff00), _dst);
+				const uint32_t srcBpp   = s_imageBlockInfo[_format].bitsPerPixel;
+				const uint32_t srcPitch = _width * srcBpp / 8;
+				if (!imageConvert(_dst, TextureFormat::BGRA8, _src, _format, _width, _height, srcPitch) )
+				{
+					// Failed to convert, just make ugly red-yellow checkerboard texture.
+					imageCheckerboard(_width, _height, 16, UINT32_C(0xffff0000), UINT32_C(0xffffff00), _dst);
+				}
 			}
 			break;
 		}