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/*
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 * Mesa 3-D graphics library
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 *
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 * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
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 * Copyright (c) 2008 VMware, Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 */
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/**
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 * \file texstore.h
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 * Texture image storage routines.
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 *
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 * \author Brian Paul
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 */
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#ifndef TEXSTORE_H
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#define TEXSTORE_H
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#include "mtypes.h"
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#include "formats.h"
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/**
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 * This macro defines the (many) parameters to the texstore functions.
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 * \param dims  either 1 or 2 or 3
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 * \param baseInternalFormat  user-specified base internal format
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 * \param dstFormat  destination Mesa texture format
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 * \param dstX/Y/Zoffset  destination x/y/z offset (ala TexSubImage), in texels
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 * \param dstRowStride  destination image row stride, in bytes
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 * \param dstSlices  array of addresses of image slices (for 3D, array texture)
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 * \param srcWidth/Height/Depth  source image size, in pixels
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 * \param srcFormat  incoming image format
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 * \param srcType  incoming image data type
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 * \param srcAddr  source image address
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 * \param srcPacking  source image packing parameters
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 */
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#define TEXSTORE_PARAMS \
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	struct gl_context *ctx, GLuint dims, \
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	GLenum baseInternalFormat, \
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	mesa_format dstFormat, \
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        GLint dstRowStride, \
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        GLubyte **dstSlices, \
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	GLint srcWidth, GLint srcHeight, GLint srcDepth, \
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	GLenum srcFormat, GLenum srcType, \
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	const GLvoid *srcAddr, \
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	const struct gl_pixelstore_attrib *srcPacking
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extern GLboolean
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_mesa_texstore(TEXSTORE_PARAMS);
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extern GLboolean
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_mesa_texstore_needs_transfer_ops(struct gl_context *ctx,
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                                  GLenum baseInternalFormat,
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                                  mesa_format dstFormat);
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extern GLboolean
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_mesa_texstore_can_use_memcpy(struct gl_context *ctx,
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                              GLenum baseInternalFormat, mesa_format dstFormat,
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                              GLenum srcFormat, GLenum srcType,
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                              const struct gl_pixelstore_attrib *srcPacking);
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extern void
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_mesa_store_teximage(struct gl_context *ctx,
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                     GLuint dims,
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                     struct gl_texture_image *texImage,
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                     GLenum format, GLenum type, const GLvoid *pixels,
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                     const struct gl_pixelstore_attrib *packing);
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extern void
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_mesa_store_texsubimage(struct gl_context *ctx, GLuint dims,
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                        struct gl_texture_image *texImage,
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                        GLint xoffset, GLint yoffset, GLint zoffset,
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                        GLint width, GLint height, GLint depth,
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                        GLenum format, GLenum type, const GLvoid *pixels,
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                        const struct gl_pixelstore_attrib *packing);
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extern void
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_mesa_store_cleartexsubimage(struct gl_context *ctx,
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                             struct gl_texture_image *texImage,
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                             GLint xoffset, GLint yoffset, GLint zoffset,
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                             GLsizei width, GLsizei height, GLsizei depth,
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                             const GLvoid *clearValue);
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extern void
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_mesa_store_compressed_teximage(struct gl_context *ctx, GLuint dims,
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                                struct gl_texture_image *texImage,
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                                GLsizei imageSize, const GLvoid *data);
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extern void
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_mesa_store_compressed_texsubimage(struct gl_context *ctx, GLuint dims,
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                                   struct gl_texture_image *texImage,
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                                   GLint xoffset, GLint yoffset, GLint zoffset,
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                                   GLsizei width, GLsizei height, GLsizei depth,
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                                   GLenum format,
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                                   GLsizei imageSize, const GLvoid *data);
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struct compressed_pixelstore {
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   int SkipBytes;
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   int CopyBytesPerRow;
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   int CopyRowsPerSlice;
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   int TotalBytesPerRow;
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   int TotalRowsPerSlice;
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   int CopySlices;
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};
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extern void
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_mesa_compute_compressed_pixelstore(GLuint dims, mesa_format texFormat,
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                                    GLsizei width, GLsizei height,
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                                    GLsizei depth,
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                                    const struct gl_pixelstore_attrib *packing,
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                                    struct compressed_pixelstore *store);
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#endif