Added new GLES3.0 compressed format checks to TexImage2D

Change-Id: I2bfb2072028de66aa89306e51a164ba90bfb9114
Reviewed-on: https://swiftshader-review.googlesource.com/3548
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
diff --git a/src/OpenGL/libGLESv2/libGLESv2.cpp b/src/OpenGL/libGLESv2/libGLESv2.cpp
index 9ffd42a..421fdd4 100644
--- a/src/OpenGL/libGLESv2/libGLESv2.cpp
+++ b/src/OpenGL/libGLESv2/libGLESv2.cpp
@@ -5593,6 +5593,21 @@
 			break;

 		case GL_ETC1_RGB8_OES:

 			return error(GL_INVALID_OPERATION);

+		case GL_COMPRESSED_R11_EAC:

+		case GL_COMPRESSED_SIGNED_R11_EAC:

+		case GL_COMPRESSED_RG11_EAC:

+		case GL_COMPRESSED_SIGNED_RG11_EAC:

+		case GL_COMPRESSED_RGB8_ETC2:

+		case GL_COMPRESSED_SRGB8_ETC2:

+		case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:

+		case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:

+		case GL_COMPRESSED_RGBA8_ETC2_EAC:

+		case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:

+			if(clientVersion >= 3)

+			{

+				return error(GL_INVALID_OPERATION);

+			}

+			return error(GL_INVALID_ENUM);

 		case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:

 		case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:

 		case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE: