/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// intentionally no include guard here.

#ifndef HANDLE_WEBGL_INTERNAL_FORMAT
#error This header is meant to be included by other files defining HANDLE_WEBGL_INTERNAL_FORMAT.
#endif

#define WEBGL_INTERNAL_FORMAT(effectiveinternalformat, unsizedinternalformat, \
                              type)                                           \
  HANDLE_WEBGL_INTERNAL_FORMAT(LOCAL_GL_##effectiveinternalformat,            \
                               LOCAL_GL_##unsizedinternalformat,              \
                               LOCAL_GL_##type)

// OpenGL ES 3.0.3, Table 3.2
//
// Maps effective internal formats to (unsized internal format, type) pairs.
//
//                    Effective int. fmt.     Unsized int. fmt.   Type
WEBGL_INTERNAL_FORMAT(ALPHA8, ALPHA, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(LUMINANCE8, LUMINANCE, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(LUMINANCE8_ALPHA8, LUMINANCE_ALPHA, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RGB8, RGB, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RGBA4, RGBA, UNSIGNED_SHORT_4_4_4_4)
WEBGL_INTERNAL_FORMAT(RGB5_A1, RGBA, UNSIGNED_SHORT_5_5_5_1)
WEBGL_INTERNAL_FORMAT(RGBA8, RGBA, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RGB10_A2, RGBA, UNSIGNED_INT_2_10_10_10_REV)
WEBGL_INTERNAL_FORMAT(DEPTH_COMPONENT16, DEPTH_COMPONENT, UNSIGNED_SHORT)
WEBGL_INTERNAL_FORMAT(DEPTH_COMPONENT24, DEPTH_COMPONENT, UNSIGNED_INT)
WEBGL_INTERNAL_FORMAT(R8, RED, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RG8, RG, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(R16F, RED, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(R32F, RED, FLOAT)
WEBGL_INTERNAL_FORMAT(RG16F, RG, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(RG32F, RG, FLOAT)
WEBGL_INTERNAL_FORMAT(R8I, RED_INTEGER, BYTE)
WEBGL_INTERNAL_FORMAT(R8UI, RED_INTEGER, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(R16I, RED_INTEGER, SHORT)
WEBGL_INTERNAL_FORMAT(R16UI, RED_INTEGER, UNSIGNED_SHORT)
WEBGL_INTERNAL_FORMAT(R32I, RED_INTEGER, INT)
WEBGL_INTERNAL_FORMAT(R32UI, RED_INTEGER, UNSIGNED_INT)
WEBGL_INTERNAL_FORMAT(RG8I, RG_INTEGER, BYTE)
WEBGL_INTERNAL_FORMAT(RG8UI, RG_INTEGER, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RG16I, RG_INTEGER, SHORT)
WEBGL_INTERNAL_FORMAT(RG16UI, RG_INTEGER, UNSIGNED_SHORT)
WEBGL_INTERNAL_FORMAT(RG32I, RG_INTEGER, INT)
WEBGL_INTERNAL_FORMAT(RG32UI, RG_INTEGER, UNSIGNED_INT)
WEBGL_INTERNAL_FORMAT(RGBA32F, RGBA, FLOAT)
WEBGL_INTERNAL_FORMAT(RGB32F, RGB, FLOAT)
WEBGL_INTERNAL_FORMAT(ALPHA32F_EXT, ALPHA, FLOAT)
WEBGL_INTERNAL_FORMAT(LUMINANCE32F_EXT, LUMINANCE, FLOAT)
WEBGL_INTERNAL_FORMAT(LUMINANCE_ALPHA32F_EXT, LUMINANCE_ALPHA, FLOAT)
WEBGL_INTERNAL_FORMAT(RGBA16F, RGBA, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(RGB16F, RGB, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(ALPHA16F_EXT, ALPHA, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(LUMINANCE16F_EXT, LUMINANCE, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(LUMINANCE_ALPHA16F_EXT, LUMINANCE_ALPHA, HALF_FLOAT)
WEBGL_INTERNAL_FORMAT(DEPTH24_STENCIL8, DEPTH_STENCIL, UNSIGNED_INT_24_8)
WEBGL_INTERNAL_FORMAT(R11F_G11F_B10F, RGB, UNSIGNED_INT_10F_11F_11F_REV)
WEBGL_INTERNAL_FORMAT(RGB9_E5, RGB, UNSIGNED_INT_5_9_9_9_REV)
WEBGL_INTERNAL_FORMAT(SRGB8, SRGB, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(SRGB8_ALPHA8, SRGB_ALPHA, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(DEPTH_COMPONENT32F, DEPTH_COMPONENT, FLOAT)
WEBGL_INTERNAL_FORMAT(DEPTH32F_STENCIL8, DEPTH_STENCIL,
                      FLOAT_32_UNSIGNED_INT_24_8_REV)
WEBGL_INTERNAL_FORMAT(RGB565, RGB, UNSIGNED_SHORT_5_6_5)
WEBGL_INTERNAL_FORMAT(RGBA32UI, RGBA_INTEGER, UNSIGNED_INT)
WEBGL_INTERNAL_FORMAT(RGB32UI, RGB_INTEGER, UNSIGNED_INT)
WEBGL_INTERNAL_FORMAT(RGBA16UI, RGBA_INTEGER, UNSIGNED_SHORT)
WEBGL_INTERNAL_FORMAT(RGB16UI, RGB_INTEGER, UNSIGNED_SHORT)
WEBGL_INTERNAL_FORMAT(RGBA8UI, RGBA_INTEGER, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RGB8UI, RGB_INTEGER, UNSIGNED_BYTE)
WEBGL_INTERNAL_FORMAT(RGBA32I, RGBA_INTEGER, INT)
WEBGL_INTERNAL_FORMAT(RGB32I, RGB_INTEGER, INT)
WEBGL_INTERNAL_FORMAT(RGBA16I, RGBA_INTEGER, SHORT)
WEBGL_INTERNAL_FORMAT(RGB16I, RGB_INTEGER, SHORT)
WEBGL_INTERNAL_FORMAT(RGBA8I, RGBA_INTEGER, BYTE)
WEBGL_INTERNAL_FORMAT(RGB8I, RGB_INTEGER, BYTE)
WEBGL_INTERNAL_FORMAT(R8_SNORM, RED, BYTE)
WEBGL_INTERNAL_FORMAT(RG8_SNORM, RG, BYTE)
WEBGL_INTERNAL_FORMAT(RGB8_SNORM, RGB, BYTE)
WEBGL_INTERNAL_FORMAT(RGBA8_SNORM, RGBA, BYTE)
WEBGL_INTERNAL_FORMAT(RGB10_A2UI, RGBA_INTEGER, UNSIGNED_INT_2_10_10_10_REV)

#undef WEBGL_INTERNAL_FORMAT
#undef HANDLE_WEBGL_INTERNAL_FORMAT