diff --git a/src/image.cpp b/src/image.cpp
index 5bb9229c..b38637d7 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -1413,7 +1413,7 @@ namespace bgfx
 			{
 				float rgba[4];
 				unpack(rgba, &src[xx*srcBpp/8]);
-				pack(&dst[xx*srcBpp/8], rgba);
+				pack(&dst[xx*dstBpp/8], rgba);
 			}
 		}
 
diff --git a/src/renderer_gl.cpp b/src/renderer_gl.cpp
index eea33f9f..44b73e2d 100644
--- a/src/renderer_gl.cpp
+++ b/src/renderer_gl.cpp
@@ -260,9 +260,9 @@ namespace bgfx { namespace gl
 		{ GL_RGBA32I,                                  GL_ZERO,                                       GL_RGBA,                                     GL_INT,                          false }, // RGBA32I
 		{ GL_RGBA32UI,                                 GL_ZERO,                                       GL_RGBA,                                     GL_UNSIGNED_INT,                 false }, // RGBA32U
 		{ GL_RGBA32F,                                  GL_ZERO,                                       GL_RGBA,                                     GL_FLOAT,                        false }, // RGBA32F
-		{ GL_RGB565,                                   GL_ZERO,                                       GL_RGB,                                      GL_UNSIGNED_SHORT_5_6_5,         false }, // R5G6B5
-		{ GL_RGBA4,                                    GL_ZERO,                                       GL_RGBA,                                     GL_UNSIGNED_SHORT_4_4_4_4,       false }, // RGBA4
-		{ GL_RGB5_A1,                                  GL_ZERO,                                       GL_RGBA,                                     GL_UNSIGNED_SHORT_5_5_5_1,       false }, // RGB5A1
+		{ GL_RGB565,                                   GL_ZERO,                                       GL_RGB,                                      GL_UNSIGNED_SHORT_5_6_5_REV,     false }, // R5G6B5
+		{ GL_RGBA4,                                    GL_ZERO,                                       GL_RGBA,                                     GL_UNSIGNED_SHORT_4_4_4_4_REV,   false }, // RGBA4
+		{ GL_RGB5_A1,                                  GL_ZERO,                                       GL_RGBA,                                     GL_UNSIGNED_SHORT_1_5_5_5_REV,   false }, // RGB5A1
 		{ GL_RGB10_A2,                                 GL_ZERO,                                       GL_RGBA,                                     GL_UNSIGNED_INT_2_10_10_10_REV,  false }, // RGB10A2
 		{ GL_R11F_G11F_B10F,                           GL_ZERO,                                       GL_RGB,                                      GL_UNSIGNED_INT_10F_11F_11F_REV, false }, // R11G11B10F
 		{ GL_ZERO,                                     GL_ZERO,                                       GL_ZERO,                                     GL_ZERO,                         false }, // UnknownDepth
@@ -1519,9 +1519,9 @@ namespace bgfx { namespace gl
 					// internalFormat and format must match:
 					// https://www.khronos.org/opengles/sdk/docs/man/xhtml/glTexImage2D.xml
 					setTextureFormat(TextureFormat::RGBA8,  GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE);
-					setTextureFormat(TextureFormat::R5G6B5, GL_RGB,  GL_RGB,  GL_UNSIGNED_SHORT_5_6_5);
-					setTextureFormat(TextureFormat::RGBA4,  GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4);
-					setTextureFormat(TextureFormat::RGB5A1, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1);
+					setTextureFormat(TextureFormat::R5G6B5, GL_RGB,  GL_RGB,  GL_UNSIGNED_SHORT_5_6_5_REV);
+					setTextureFormat(TextureFormat::RGBA4,  GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV);
+					setTextureFormat(TextureFormat::RGB5A1, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV);
 
 					if (s_extension[Extension::OES_texture_half_float].m_supported
 					||  s_extension[Extension::OES_texture_float     ].m_supported)
diff --git a/tools/texturec/texturec.cpp b/tools/texturec/texturec.cpp
index 4233c165..13eab90d 100644
--- a/tools/texturec/texturec.cpp
+++ b/tools/texturec/texturec.cpp
@@ -132,6 +132,7 @@ namespace bgfx
 			break;
 
 		default:
+			imageConvert(_dst, format, _src, TextureFormat::RGBA8, _width, _height);
 			break;
 		}
 	}