| /* |
| * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * Joakim Sindholt <opensource@zhasha.com> |
| * Copyright 2009 Marek Olšák <maraeo@gmail.com> |
| * |
| * 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 |
| * on 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 |
| * THE AUTHOR(S) AND/OR THEIR 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 R300_FS_H |
| #define R300_FS_H |
| |
| #include "pipe/p_state.h" |
| #include "tgsi/tgsi_scan.h" |
| #include "compiler/radeon_code.h" |
| #include "r300_shader_semantics.h" |
| |
| struct r300_fragment_shader_code { |
| struct rX00_fragment_program_code code; |
| struct tgsi_shader_info info; |
| struct r300_shader_semantics inputs; |
| |
| /* Whether the shader was replaced by a dummy one due to a shader |
| * compilation failure. */ |
| boolean dummy; |
| |
| /* Numbers of constants for each type. */ |
| unsigned externals_count; |
| unsigned immediates_count; |
| unsigned rc_state_count; |
| |
| /* Registers for fragment depth output setup. */ |
| uint32_t fg_depth_src; /* R300_FG_DEPTH_SRC: 0x4bd8 */ |
| uint32_t us_out_w; /* R300_US_W_FMT: 0x46b4 */ |
| |
| struct r300_fragment_program_external_state compare_state; |
| |
| unsigned cb_code_size; |
| uint32_t *cb_code; |
| |
| struct r300_fragment_shader_code* next; |
| |
| boolean write_all; |
| |
| }; |
| |
| struct r300_fragment_shader { |
| /* Parent class */ |
| struct pipe_shader_state state; |
| |
| /* Currently-bound fragment shader. */ |
| struct r300_fragment_shader_code* shader; |
| |
| /* List of the same shaders compiled with different texture-compare |
| * states. */ |
| struct r300_fragment_shader_code* first; |
| }; |
| |
| void r300_shader_read_fs_inputs(struct tgsi_shader_info* info, |
| struct r300_shader_semantics* fs_inputs); |
| |
| /* Return TRUE if the shader was switched and should be re-emitted. */ |
| boolean r300_pick_fragment_shader(struct r300_context* r300); |
| |
| static INLINE boolean r300_fragment_shader_writes_depth(struct r300_fragment_shader *fs) |
| { |
| if (!fs) |
| return FALSE; |
| return (fs->shader->code.writes_depth) ? TRUE : FALSE; |
| } |
| |
| static INLINE boolean r300_fragment_shader_writes_all(struct r300_fragment_shader *fs) |
| { |
| if (!fs) |
| return FALSE; |
| return (fs->shader->write_all) ? TRUE : FALSE; |
| } |
| #endif /* R300_FS_H */ |