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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5563 | serge | 1 | /* |
| 2 | * Copyright 2008 Corbin Simpson |
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| 3 | * Joakim Sindholt |
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| 4 | * Copyright 2009 Marek Olšák |
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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 "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
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| 10 | * license, and/or sell copies of the Software, and to permit persons to whom |
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| 11 | * the Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the next |
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| 14 | * paragraph) shall be included in all copies or substantial portions of the |
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| 15 | * Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 20 | * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 21 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 22 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 23 | * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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| 24 | |||
| 25 | #ifndef R300_FS_H |
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| 26 | #define R300_FS_H |
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| 27 | |||
| 28 | #include "pipe/p_state.h" |
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| 29 | #include "tgsi/tgsi_scan.h" |
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| 30 | #include "compiler/radeon_code.h" |
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| 31 | #include "r300_shader_semantics.h" |
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| 32 | |||
| 33 | struct r300_fragment_shader_code { |
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| 34 | struct rX00_fragment_program_code code; |
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| 35 | struct tgsi_shader_info info; |
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| 36 | struct r300_shader_semantics inputs; |
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| 37 | |||
| 38 | /* Whether the shader was replaced by a dummy one due to a shader |
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| 39 | * compilation failure. */ |
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| 40 | boolean dummy; |
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| 41 | |||
| 42 | /* Numbers of constants for each type. */ |
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| 43 | unsigned externals_count; |
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| 44 | unsigned immediates_count; |
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| 45 | unsigned rc_state_count; |
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| 46 | |||
| 47 | /* Registers for fragment depth output setup. */ |
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| 48 | uint32_t fg_depth_src; /* R300_FG_DEPTH_SRC: 0x4bd8 */ |
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| 49 | uint32_t us_out_w; /* R300_US_W_FMT: 0x46b4 */ |
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| 50 | |||
| 51 | struct r300_fragment_program_external_state compare_state; |
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| 52 | |||
| 53 | unsigned cb_code_size; |
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| 54 | uint32_t *cb_code; |
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| 55 | |||
| 56 | struct r300_fragment_shader_code* next; |
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| 57 | |||
| 58 | boolean write_all; |
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| 59 | |||
| 60 | }; |
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| 61 | |||
| 62 | struct r300_fragment_shader { |
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| 63 | /* Parent class */ |
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| 64 | struct pipe_shader_state state; |
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| 65 | |||
| 66 | /* Currently-bound fragment shader. */ |
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| 67 | struct r300_fragment_shader_code* shader; |
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| 68 | |||
| 69 | /* List of the same shaders compiled with different texture-compare |
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| 70 | * states. */ |
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| 71 | struct r300_fragment_shader_code* first; |
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| 72 | }; |
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| 73 | |||
| 74 | void r300_shader_read_fs_inputs(struct tgsi_shader_info* info, |
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| 75 | struct r300_shader_semantics* fs_inputs); |
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| 76 | |||
| 77 | /* Return TRUE if the shader was switched and should be re-emitted. */ |
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| 78 | boolean r300_pick_fragment_shader(struct r300_context* r300); |
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| 79 | |||
| 80 | static INLINE boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs) |
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| 81 | { |
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| 82 | if (!fs) |
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| 83 | return FALSE; |
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| 84 | return (fs->shader->code.writes_depth) ? TRUE : FALSE; |
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| 85 | } |
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| 86 | |||
| 87 | static INLINE boolean r300_fragment_shader_writes_all(struct r300_fragment_shader *fs) |
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| 88 | { |
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| 89 | if (!fs) |
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| 90 | return FALSE; |
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| 91 | return (fs->shader->write_all) ? TRUE : FALSE; |
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| 92 | } |
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| 93 | #endif /* R300_FS_H */ |