diff options
author | Dave Airlie <airlied@redhat.com> | 2009-01-21 02:10:32 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2009-01-21 02:10:56 +1000 |
commit | 33dc14c707734df37fb02b7bcc278ddeb94036f1 (patch) | |
tree | 97866f1eca208c3b91ef06c8ee7914b1e4784cd9 /src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h | |
parent | d9c4a01bad3a7d4a965fc09d8605afc6ca48f6f9 (diff) |
radeon/r200/r300: start to move to common miptree/texobj
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h')
-rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h new file mode 100644 index 0000000000..875e5e5aee --- /dev/null +++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.h @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2008 Nicolai Haehnle. + * + * 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, 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 (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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 __RADEON_MIPMAP_TREE_H_ +#define __RADEON_MIPMAP_TREE_H_ + +#include "common_context.h" + +typedef struct _radeon_mipmap_tree radeon_mipmap_tree; +typedef struct _radeon_mipmap_level radeon_mipmap_level; +typedef struct _radeon_mipmap_image radeon_mipmap_image; + +struct _radeon_mipmap_image { + GLuint offset; /** Offset of this image from the start of mipmap tree buffer, in bytes */ +}; + +struct _radeon_mipmap_level { + GLuint width; + GLuint height; + GLuint depth; + GLuint size; /** Size of each image, in bytes */ + GLuint rowstride; /** in bytes */ + radeon_mipmap_image faces[6]; +}; + + +/** + * A mipmap tree contains texture images in the layout that the hardware + * expects. + * + * The meta-data of mipmap trees is immutable, i.e. you cannot change the + * layout on-the-fly; however, the texture contents (i.e. texels) can be + * changed. + */ +struct _radeon_mipmap_tree { + radeonContextPtr radeon; + radeonTexObj *t; + struct radeon_bo *bo; + GLuint refcount; + + GLuint totalsize; /** total size of the miptree, in bytes */ + + GLenum target; /** GL_TEXTURE_xxx */ + GLuint faces; /** # of faces: 6 for cubemaps, 1 otherwise */ + GLuint firstLevel; /** First mip level stored in this mipmap tree */ + GLuint lastLevel; /** Last mip level stored in this mipmap tree */ + + GLuint width0; /** Width of firstLevel image */ + GLuint height0; /** Height of firstLevel image */ + GLuint depth0; /** Depth of firstLevel image */ + + GLuint bpp; /** Bytes per texel */ + GLuint tilebits; /** RADEON_TXO_xxx_TILE */ + GLuint compressed; /** MESA_FORMAT_xxx indicating a compressed format, or 0 if uncompressed */ + + radeon_mipmap_level levels[RADEON_MAX_TEXTURE_LEVELS]; +}; + +radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa, radeonTexObj *t, + GLenum target, GLuint firstLevel, GLuint lastLevel, + GLuint width0, GLuint height0, GLuint depth0, + GLuint bpp, GLuint tilebits, GLuint compressed); +void radeon_miptree_reference(radeon_mipmap_tree *mt); +void radeon_miptree_unreference(radeon_mipmap_tree *mt); + +GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt, + struct gl_texture_image *texImage, GLuint face, GLuint level); +GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj); +void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t, + struct gl_texture_image *texImage, GLuint face, GLuint level); + + +#endif /* __RADEON_MIPMAP_TREE_H_ */ |