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/*
* GLX Hardware Device Driver for Intel i810
* Copyright (C) 1999 Keith Whitwell
*
* 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
* KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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 I810TEX_INC
#define I810TEX_INC
#include "types.h"
#include "mmath.h"
#include "mm.h"
#include "i810context.h"
#include "i810_3d_reg.h"
#define VALID_I810_TEXTURE_OBJECT(tobj) (tobj)
#define I810_TEX_MAXLEVELS 10
/* For shared texture space managment, these texture objects may also
* be used as proxies for regions of texture memory containing other
* client's textures. Such proxy textures (not to be confused with GL
* proxy textures) are subject to the same LRU aging we use for our
* own private textures, and thus we have a mechanism where we can
* fairly decide between kicking out our own textures and those of
* other clients.
*
* Non-local texture objects have a valid MemBlock to describe the
* region managed by the other client, and can be identified by
* 't->globj == 0'
*/
struct i810_texture_object_t {
struct i810_texture_object_t *next, *prev;
GLuint age;
struct gl_texture_object *globj;
int Pitch;
int Height;
int texelBytes;
int totalSize;
PMemBlock MemBlock;
char *BufAddr;
GLuint min_level;
GLuint max_level;
GLuint dirty_images;
struct {
const struct gl_texture_image *image;
int offset; /* into BufAddr */
int height;
int internalFormat;
} image[I810_TEX_MAXLEVELS];
/* Support for multitexture.
*/
GLuint current_unit;
GLuint Setup[I810_TEX_SETUP_SIZE];
};
#define I810_NO_PALETTE 0x0
#define I810_USE_PALETTE 0x1
#define I810_UPDATE_PALETTE 0x2
#define I810_FALLBACK_PALETTE 0x4
typedef struct i810_texture_object_t *i810TextureObjectPtr;
void i810UpdateTextureState( GLcontext *ctx );
void i810DDInitTextureFuncs( GLcontext *ctx );
void i810DestroyTexObj( i810ContextPtr imesa, i810TextureObjectPtr t);
int i810UploadTexImages( i810ContextPtr imesa, i810TextureObjectPtr t );
void i810ResetGlobalLRU( i810ContextPtr imesa );
void i810TexturesGone( i810ContextPtr imesa,
GLuint start, GLuint end,
GLuint in_use );
void i810PrintLocalLRU( i810ContextPtr imesa );
void i810PrintGlobalLRU( i810ContextPtr imesa );
#endif
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