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| 1901 | serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | |||
| 29 | #ifndef ST_CB_FBO_H |
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| 30 | #define ST_CB_FBO_H |
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| 31 | |||
| 32 | #include "main/compiler.h" |
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| 33 | #include "main/glheader.h" |
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| 34 | #include "main/mtypes.h" |
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| 35 | |||
| 36 | #include "pipe/p_compiler.h" |
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| 37 | #include "pipe/p_format.h" |
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| 38 | |||
| 39 | struct dd_function_table; |
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| 40 | struct pipe_context; |
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| 41 | |||
| 42 | /** |
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| 43 | * Derived renderbuffer class. Just need to add a pointer to the |
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| 44 | * pipe surface. |
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| 45 | */ |
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| 46 | struct st_renderbuffer |
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| 47 | { |
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| 48 | struct gl_renderbuffer Base; |
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| 49 | struct pipe_resource *texture; |
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| 50 | struct pipe_surface *surface; /* temporary view into texture */ |
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| 51 | struct pipe_sampler_view *sampler_view; |
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| 52 | enum pipe_format format; /** preferred format, or PIPE_FORMAT_NONE */ |
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| 53 | GLboolean defined; /**< defined contents? */ |
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| 54 | |||
| 55 | /** |
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| 56 | * Used only when hardware accumulation buffers are not supported. |
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| 57 | */ |
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| 58 | boolean software; |
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| 59 | size_t stride; |
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| 60 | void *data; |
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| 61 | |||
| 62 | struct st_texture_object *rtt; /**< GL render to texture's texture */ |
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| 63 | int rtt_level, rtt_face, rtt_slice; |
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| 64 | |||
| 65 | /** Render to texture state */ |
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| 66 | struct pipe_resource *texture_save; |
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| 67 | struct pipe_surface *surface_save; |
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| 68 | struct pipe_sampler_view *sampler_view_save; |
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| 69 | }; |
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| 70 | |||
| 71 | |||
| 72 | static INLINE struct st_renderbuffer * |
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| 73 | st_renderbuffer(struct gl_renderbuffer *rb) |
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| 74 | { |
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| 75 | return (struct st_renderbuffer *) rb; |
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| 76 | } |
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| 77 | |||
| 78 | |||
| 79 | extern struct gl_renderbuffer * |
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| 80 | st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw); |
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| 81 | |||
| 82 | extern void |
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| 83 | st_init_fbo_functions(struct dd_function_table *functions); |
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| 84 | |||
| 85 | /* XXX unused ? */ |
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| 86 | extern struct pipe_sampler_view * |
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| 87 | st_get_renderbuffer_sampler_view(struct st_renderbuffer *rb, |
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| 88 | struct pipe_context *pipe); |
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| 89 | |||
| 90 | |||
| 91 | extern GLboolean |
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| 92 | st_is_depth_stencil_combined(const struct gl_renderbuffer_attachment *depth, |
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| 93 | const struct gl_renderbuffer_attachment *stencil); |
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| 94 | |||
| 95 | |||
| 96 | #endif /* ST_CB_FBO_H */ |