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      1 /*
      2  * Copyright 2010 Jerome Glisse <glisse (at) freedesktop.org>
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * on the rights to use, copy, modify, merge, publish, distribute, sub
      8  * license, and/or sell copies of the Software, and to permit persons to whom
      9  * the Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
     19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  */
     23 #ifndef R600_SHADER_H
     24 #define R600_SHADER_H
     25 
     26 #include "r600_asm.h"
     27 
     28 struct r600_shader_io {
     29 	unsigned		name;
     30 	unsigned		gpr;
     31 	unsigned		done;
     32 	int			sid;
     33 	int			spi_sid;
     34 	unsigned		interpolate;
     35 	boolean                 centroid;
     36 	unsigned		lds_pos; /* for evergreen */
     37 	unsigned		write_mask;
     38 };
     39 
     40 struct r600_shader {
     41 	unsigned		processor_type;
     42 	struct r600_bytecode		bc;
     43 	unsigned		ninput;
     44 	unsigned		noutput;
     45 	unsigned		nlds;
     46 	struct r600_shader_io	input[32];
     47 	struct r600_shader_io	output[32];
     48 	boolean			uses_kill;
     49 	boolean			fs_write_all;
     50 	boolean			vs_prohibit_ucps;
     51 	boolean			two_side;
     52 	/* Number of color outputs in the TGSI shader,
     53 	 * sometimes it could be higher than nr_cbufs (bug?).
     54 	 * Also with writes_all property on eg+ it will be set to max CB number */
     55 	unsigned		nr_ps_max_color_exports;
     56 	/* Real number of ps color exports compiled in the bytecode */
     57 	unsigned		nr_ps_color_exports;
     58 	/* bit n is set if the shader writes gl_ClipDistance[n] */
     59 	unsigned		clip_dist_write;
     60 	/* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */
     61 	boolean			vs_out_misc_write;
     62 	boolean			vs_out_point_size;
     63 };
     64 
     65 #endif
     66