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/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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
* VIA, S3 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 _VIATEX_H
#define _VIATEX_H
#include "mtypes.h"
#include "mm.h"
#include "via_context.h"
#include "via_3d_reg.h"
#define VIA_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 via_texture_object_t {
struct via_texture_object_t *next, *prev;
GLuint age;
struct gl_texture_object *globj;
int texelBytes;
int totalSize;
struct {
GLuint index;
GLuint offset;
GLuint size;
} texMem;
unsigned char* bufAddr;
GLuint inAGP;
GLuint needClearCache;
GLuint actualLevel;
GLuint maxLevel;
GLuint dirtyImages;
struct {
const struct gl_texture_image *image;
int offset; /* into bufAddr */
int height;
int internalFormat;
} image[VIA_TEX_MAXLEVELS];
GLuint dirty;
GLuint regTexFM;
GLuint regTexWidthLog2[2];
GLuint regTexHeightLog2[2];
GLuint regTexBaseH[4];
struct {
GLuint baseL;
GLuint pitchLog2;
} regTexBaseAndPitch[12];
GLint firstLevel, lastLevel; /* upload tObj->Image[first .. lastLevel] */
};
viaTextureObjectPtr viaAllocTextureObject(struct gl_texture_object *texObj);
void viaUpdateTextureState(GLcontext *ctx);
void viaInitTextureFuncs(struct dd_function_table * functions);
void viaInitTextures(GLcontext *ctx);
void viaDestroyTexObj(viaContextPtr vmesa, viaTextureObjectPtr t);
void viaSwapOutTexObj(viaContextPtr vmesa, viaTextureObjectPtr t);
void viaUploadTexImages(viaContextPtr vmesa, viaTextureObjectPtr t);
void viaResetGlobalLRU(viaContextPtr vmesa);
void viaTexturesGone(viaContextPtr vmesa,
GLuint start, GLuint end,
GLuint in_use);
void viaPrintLocalLRU(viaContextPtr vmesa);
void viaPrintGlobalLRU(viaContextPtr vmesa);
void viaUpdateTexLRU(viaContextPtr vmesa, viaTextureObjectPtr t);
#endif
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