| /************************************************************************** |
| * |
| * 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 ST_CB_FBO_H |
| #define ST_CB_FBO_H |
| |
| |
| /** |
| * Derived renderbuffer class. Just need to add a pointer to the |
| * pipe surface. |
| */ |
| struct st_renderbuffer |
| { |
| struct gl_renderbuffer Base; |
| struct pipe_resource *texture; |
| struct pipe_surface *surface; /* temporary view into texture */ |
| struct pipe_sampler_view *sampler_view; |
| enum pipe_format format; /** preferred format, or PIPE_FORMAT_NONE */ |
| GLboolean defined; /**< defined contents? */ |
| |
| /** |
| * Used only when hardware accumulation buffers are not supported. |
| */ |
| boolean software; |
| size_t stride; |
| void *data; |
| |
| struct st_texture_object *rtt; /**< GL render to texture's texture */ |
| int rtt_level, rtt_face, rtt_slice; |
| |
| /** Render to texture state */ |
| struct pipe_resource *texture_save; |
| struct pipe_surface *surface_save; |
| struct pipe_sampler_view *sampler_view_save; |
| }; |
| |
| |
| static INLINE struct st_renderbuffer * |
| st_renderbuffer(struct gl_renderbuffer *rb) |
| { |
| return (struct st_renderbuffer *) rb; |
| } |
| |
| |
| extern struct gl_renderbuffer * |
| st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw); |
| |
| extern void |
| st_init_fbo_functions(struct dd_function_table *functions); |
| |
| /* XXX unused ? */ |
| extern struct pipe_sampler_view * |
| st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb, |
| struct pipe_context *pipe); |
| |
| |
| #endif /* ST_CB_FBO_H */ |