diff options
Diffstat (limited to 'src/mesa/drivers/dri/i810/i810tex.h')
-rw-r--r-- | src/mesa/drivers/dri/i810/i810tex.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i810/i810tex.h b/src/mesa/drivers/dri/i810/i810tex.h new file mode 100644 index 00000000000..f0b4b88128f --- /dev/null +++ b/src/mesa/drivers/dri/i810/i810tex.h @@ -0,0 +1,78 @@ +/* + * 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 "mtypes.h" +#include "mm.h" + +#include "i810context.h" +#include "i810_3d_reg.h" +#include "texmem.h" + +#define I810_TEX_MAXLEVELS 11 + +/* 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 { + driTextureObject base; + + int Pitch; + int Height; + int texelBytes; + char *BufAddr; + + GLuint max_level; + + struct { + const struct gl_texture_image *image; + int offset; /* into BufAddr */ + int height; + int internalFormat; + } image[I810_TEX_MAXLEVELS]; + + GLuint Setup[I810_TEX_SETUP_SIZE]; + GLuint dirty; + +}; + +void i810UpdateTextureState( GLcontext *ctx ); +void i810InitTextureFuncs( GLcontext *ctx ); + +void i810DestroyTexObj( i810ContextPtr imesa, i810TextureObjectPtr t ); +int i810UploadTexImagesLocked( i810ContextPtr imesa, i810TextureObjectPtr t ); + +#endif |