/* * 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; int bound; 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 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