/**************************************************************************
 * 
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * 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, sub license, 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 (including the
 * next paragraph) 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 INTELTEX_INC
#define INTELTEX_INC

#include "mtypes.h"
#include "intel_context.h"
#include "texmem.h"

struct st_texture_object
{
   struct gl_texture_object base;       /* The "parent" object */

   /* The mipmap tree must include at least these levels once
    * validated:
    */
   GLuint firstLevel;
   GLuint lastLevel;

   /* Offset for firstLevel image:
    */
   GLuint textureOffset;

   /* On validation any active images held in main memory or in other
    * regions will be copied to this region and the old storage freed.
    */
   struct pipe_mipmap_tree *mt;

   GLboolean imageOverride;
   GLint depthOverride;
   GLuint pitchOverride;
};



struct st_texture_image
{
   struct gl_texture_image base;

   /* These aren't stored in gl_texture_image 
    */
   GLuint level;
   GLuint face;

   /* If stImage->mt != NULL, image data is stored here.
    * Else if stImage->base.Data != NULL, image is stored there.
    * Else there is no image data.
    */
   struct pipe_mipmap_tree *mt;
};


void intelInitTextureFuncs(struct dd_function_table *functions);

const struct gl_texture_format *intelChooseTextureFormat(GLcontext * ctx,
                                                         GLint internalFormat,
                                                         GLenum format,
                                                         GLenum type);


void intelTexImage3D(GLcontext * ctx,
                     GLenum target, GLint level,
                     GLint internalFormat,
                     GLint width, GLint height, GLint depth,
                     GLint border,
                     GLenum format, GLenum type, const void *pixels,
                     const struct gl_pixelstore_attrib *packing,
                     struct gl_texture_object *texObj,
                     struct gl_texture_image *texImage);

void intelTexSubImage3D(GLcontext * ctx,
                        GLenum target,
                        GLint level,
                        GLint xoffset, GLint yoffset, GLint zoffset,
                        GLsizei width, GLsizei height, GLsizei depth,
                        GLenum format, GLenum type,
                        const GLvoid * pixels,
                        const struct gl_pixelstore_attrib *packing,
                        struct gl_texture_object *texObj,
                        struct gl_texture_image *texImage);

void intelTexImage2D(GLcontext * ctx,
                     GLenum target, GLint level,
                     GLint internalFormat,
                     GLint width, GLint height, GLint border,
                     GLenum format, GLenum type, const void *pixels,
                     const struct gl_pixelstore_attrib *packing,
                     struct gl_texture_object *texObj,
                     struct gl_texture_image *texImage);

void intelTexSubImage2D(GLcontext * ctx,
                        GLenum target,
                        GLint level,
                        GLint xoffset, GLint yoffset,
                        GLsizei width, GLsizei height,
                        GLenum format, GLenum type,
                        const GLvoid * pixels,
                        const struct gl_pixelstore_attrib *packing,
                        struct gl_texture_object *texObj,
                        struct gl_texture_image *texImage);

void intelTexImage1D(GLcontext * ctx,
                     GLenum target, GLint level,
                     GLint internalFormat,
                     GLint width, GLint border,
                     GLenum format, GLenum type, const void *pixels,
                     const struct gl_pixelstore_attrib *packing,
                     struct gl_texture_object *texObj,
                     struct gl_texture_image *texImage);

void intelTexSubImage1D(GLcontext * ctx,
                        GLenum target,
                        GLint level,
                        GLint xoffset,
                        GLsizei width,
                        GLenum format, GLenum type,
                        const GLvoid * pixels,
                        const struct gl_pixelstore_attrib *packing,
                        struct gl_texture_object *texObj,
                        struct gl_texture_image *texImage);

void intelCopyTexImage1D(GLcontext * ctx, GLenum target, GLint level,
                         GLenum internalFormat,
                         GLint x, GLint y, GLsizei width, GLint border);

void intelCopyTexImage2D(GLcontext * ctx, GLenum target, GLint level,
                         GLenum internalFormat,
                         GLint x, GLint y, GLsizei width, GLsizei height,
                         GLint border);

void intelCopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
                            GLint xoffset, GLint x, GLint y, GLsizei width);

void intelCopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
                            GLint xoffset, GLint yoffset,
                            GLint x, GLint y, GLsizei width, GLsizei height);

void intelGetTexImage(GLcontext * ctx, GLenum target, GLint level,
                      GLenum format, GLenum type, GLvoid * pixels,
                      struct gl_texture_object *texObj,
                      struct gl_texture_image *texImage);

void intelCompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level,
				GLint internalFormat,
				GLint width, GLint height, GLint border,
				GLsizei imageSize, const GLvoid *data,
				struct gl_texture_object *texObj,
				struct gl_texture_image *texImage );

void intelGetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
				GLvoid *pixels,
				const struct gl_texture_object *texObj,
				const struct gl_texture_image *texImage);

void intelSetTexOffset(__DRIcontext *pDRICtx, GLint texname,
		       unsigned long long offset, GLint depth, GLuint pitch);

GLuint intel_finalize_mipmap_tree(GLcontext *ctx,
                                  struct pipe_context *pipe, GLuint unit,
                                  GLboolean *needFlush);


#if 0
void intel_tex_map_images(struct pipe_context *pipe,
                          struct st_texture_object *stObj);

void intel_tex_unmap_images(struct pipe_context *pipe,
                            struct st_texture_object *stObj);
#endif

int intel_compressed_num_bytes(GLuint mesaFormat);


static INLINE struct st_texture_object *
st_texture_object(struct gl_texture_object *obj)
{
   return (struct st_texture_object *) obj;
}

static INLINE struct st_texture_image *
st_texture_image(struct gl_texture_image *img)
{
   return (struct st_texture_image *) img;
}


#endif