Implement simple OpenGL ES 3.0 parameter checks

src/OpenGL/libGLESv2/Context.cpp

@@ -1585,7 +1585,7 @@ bool Context::getIntegerv(GLenum pname, GLint *params)
 		break;
 	case GL_MAX_COLOR_ATTACHMENTS: // integer, at least 8
 		UNIMPLEMENTED();
-		*params = 8;
+		*params = IMPLEMENTATION_MAX_COLOR_ATTACHMENTS;
 		break;
 	case GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS: // integer, at least 1
 		UNIMPLEMENTED();

src/OpenGL/libGLESv2/Texture.h

@@ -43,7 +43,8 @@ enum
     IMPLEMENTATION_MAX_TEXTURE_SIZE = 1 << (MIPMAP_LEVELS - 1),
     IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE = 1 << (MIPMAP_LEVELS - 1),
 	IMPLEMENTATION_MAX_RENDERBUFFER_SIZE = OUTLINE_RESOLUTION,
-	IMPLEMENTATION_MAX_SAMPLES = 4
+	IMPLEMENTATION_MAX_SAMPLES = 4,
+	IMPLEMENTATION_MAX_COLOR_ATTACHMENTS = 8,
 };
 
 class Texture : public egl::Texture

src/OpenGL/libGLESv2/libGLESv2.cpp

@@ -211,7 +211,8 @@ static FormatMap BuildFormatMap3D()
 	InsertFormatMapping(map, GL_SRGB8_NV, GL_RGB, GL_UNSIGNED_BYTE);
 	InsertFormatMapping(map, GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE);
 	InsertFormatMapping(map, GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5);
-	InsertFormatMapping(map, GL_RGB16F_EXT, GL_HALF_FLOAT_OES, GL_FLOAT);
+	InsertFormatMapping(map, GL_RGB16F_EXT, GL_RGB, GL_HALF_FLOAT_OES);
+	InsertFormatMapping(map, GL_RGB16F_EXT, GL_RGB, GL_FLOAT);
 	InsertFormatMapping(map, GL_RGB32F_EXT, GL_RGB, GL_FLOAT);
 	InsertFormatMapping(map, GL_RGBA8_OES, GL_RGBA, GL_UNSIGNED_BYTE);
 	InsertFormatMapping(map, GL_SRGB8_ALPHA8_EXT, GL_RGBA, GL_UNSIGNED_BYTE);

src/OpenGL/libGLESv2/utilities.cpp

@@ -211,9 +211,19 @@ namespace es2
 		case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
 		case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
         case GL_ETC1_RGB8_OES:
+		case GL_COMPRESSED_R11_EAC:
+		case GL_COMPRESSED_SIGNED_R11_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:
 			return 8 * (GLsizei)ceil((float)width / 4.0f) * (GLsizei)ceil((float)height / 4.0f);
 		case GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE:
 		case GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE:
+		case GL_COMPRESSED_RG11_EAC:
+		case GL_COMPRESSED_SIGNED_RG11_EAC:
+		case GL_COMPRESSED_RGBA8_ETC2_EAC:
+		case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
 			return 16 * (GLsizei)ceil((float)width / 4.0f) * (GLsizei)ceil((float)height / 4.0f);
 		default:
 			return 0;