diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_texture.h')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_texture.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_texture.h b/src/gallium/drivers/softpipe/sp_texture.h new file mode 100644 index 0000000000..6b205dc532 --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_texture.h @@ -0,0 +1,107 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN 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 SP_TEXTURE_H +#define SP_TEXTURE_H + + +#include "pipe/p_state.h" + + +#define SP_MAX_TEXTURE_2D_LEVELS 13 /* 4K x 4K */ +#define SP_MAX_TEXTURE_3D_LEVELS 9 /* 512 x 512 x 512 */ + + +struct pipe_context; +struct pipe_screen; +struct softpipe_context; + + +/** + * Subclass of pipe_resource. + */ +struct softpipe_resource +{ + struct pipe_resource base; + + unsigned long level_offset[SP_MAX_TEXTURE_2D_LEVELS]; + unsigned stride[SP_MAX_TEXTURE_2D_LEVELS]; + + /** + * Display target, only valid for PIPE_TEXTURE_2D with the + * PIPE_BIND_DISPLAY_TARGET usage. + */ + struct sw_displaytarget *dt; + + /** + * Malloc'ed data for regular buffers and textures, or a mapping to dt above. + */ + void *data; + + /* True if texture images are power-of-two in all dimensions: + */ + boolean pot; + boolean userBuffer; + + unsigned timestamp; +}; + + +/** + * Subclass of pipe_transfer. + */ +struct softpipe_transfer +{ + struct pipe_transfer base; + + unsigned long offset; +}; + + + +/** cast wrappers */ +static INLINE struct softpipe_resource * +softpipe_resource(struct pipe_resource *pt) +{ + return (struct softpipe_resource *) pt; +} + +static INLINE struct softpipe_transfer * +softpipe_transfer(struct pipe_transfer *pt) +{ + return (struct softpipe_transfer *) pt; +} + + +extern void +softpipe_init_screen_texture_funcs(struct pipe_screen *screen); + +extern void +softpipe_init_texture_funcs(struct pipe_context *pipe); + + +#endif /* SP_TEXTURE */ |