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/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (c) 2008-2009 VMware, Inc.
* Copyright (c) 2012 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef GLFORMATS_H
#define GLFORMATS_H
#include <stdbool.h>
#include <GL/gl.h>
#ifdef __cplusplus
extern "C" {
#endif
struct gl_context;
extern void
_mesa_compute_component_mapping(GLenum inFormat, GLenum outFormat, GLubyte *map);
extern GLboolean
_mesa_type_is_packed(GLenum type);
extern GLint
_mesa_sizeof_type( GLenum type );
extern GLint
_mesa_sizeof_packed_type( GLenum type );
extern GLint
_mesa_components_in_format( GLenum format );
extern GLint
_mesa_bytes_per_pixel( GLenum format, GLenum type );
extern GLint
_mesa_bytes_per_vertex_attrib(GLint comps, GLenum type);
extern GLboolean
_mesa_is_astc_format(GLenum internalFormat);
extern GLboolean
_mesa_is_etc2_format(GLenum internalFormat);
extern GLboolean
_mesa_is_type_unsigned(GLenum type);
extern GLboolean
_mesa_is_enum_format_unsized(GLenum format);
extern GLboolean
_mesa_is_enum_format_unorm(GLenum format);
extern GLboolean
_mesa_is_enum_format_snorm(GLenum format);
extern GLboolean
_mesa_is_enum_format_integer(GLenum format);
extern GLboolean
_mesa_is_enum_format_unsigned_int(GLenum format);
extern GLboolean
_mesa_is_enum_format_signed_int(GLenum format);
extern GLboolean
_mesa_is_color_format(GLenum format);
extern GLboolean
_mesa_is_depth_format(GLenum format);
extern GLboolean
_mesa_is_stencil_format(GLenum format);
extern GLboolean
_mesa_is_ycbcr_format(GLenum format);
extern GLboolean
_mesa_is_depthstencil_format(GLenum format);
extern GLboolean
_mesa_is_depth_or_stencil_format(GLenum format);
extern GLboolean
_mesa_is_compressed_format(const struct gl_context *ctx, GLenum format);
extern GLboolean
_mesa_is_srgb_format(GLenum format);
extern GLenum
_mesa_base_format_to_integer_format(GLenum format);
extern GLenum
_mesa_unpack_format_to_base_format(GLenum format);
extern GLboolean
_mesa_base_format_has_channel(GLenum base_format, GLenum pname);
extern GLenum
_mesa_generic_compressed_format_to_uncompressed_format(GLenum format);
extern GLenum
_mesa_get_nongeneric_internalformat(GLenum format);
extern GLenum
_mesa_get_linear_internalformat(GLenum format);
extern GLenum
_mesa_error_check_format_and_type(const struct gl_context *ctx,
GLenum format, GLenum type);
extern GLenum
_mesa_es_error_check_format_and_type(const struct gl_context *ctx,
GLenum format, GLenum type,
unsigned dimensions);
extern GLenum
_mesa_gles_error_check_format_and_type(const struct gl_context *ctx,
GLenum format, GLenum type,
GLenum internalFormat);
extern GLint
_mesa_base_tex_format(const struct gl_context *ctx, GLint internalFormat );
extern uint32_t
_mesa_format_from_format_and_type(GLenum format, GLenum type);
bool
_mesa_swap_bytes_in_type_enum(GLenum *type);
extern uint32_t
_mesa_tex_format_from_format_and_type(const struct gl_context *ctx,
GLenum gl_format, GLenum type);
extern bool
_mesa_is_es3_color_renderable(const struct gl_context *ctx,
GLenum internal_format);
extern bool
_mesa_is_es3_texture_filterable(const struct gl_context *ctx,
GLenum internal_format);
#ifdef __cplusplus
}
#endif
#endif /* GLFORMATS_H */
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