/* * Copyright 2012 Advanced Micro Devices, Inc. * * 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. * * Authors: * Tom Stellard * Michel Dänzer * Christian König */ #ifndef SI_SHADER_H #define SI_SHADER_H #include /* LLVMModuleRef */ #define SI_SGPR_CONST 0 #define SI_SGPR_SAMPLER 2 #define SI_SGPR_RESOURCE 4 #define SI_SGPR_RW_BUFFERS 6 /* rings (& stream-out, VS only) */ #define SI_SGPR_VERTEX_BUFFER 8 /* VS only */ #define SI_SGPR_START_INSTANCE 10 /* VS only */ #define SI_SGPR_ALPHA_REF 8 /* PS only */ #define SI_VS_NUM_USER_SGPR 11 #define SI_GS_NUM_USER_SGPR 8 #define SI_PS_NUM_USER_SGPR 9 /* LLVM function parameter indices */ #define SI_PARAM_CONST 0 #define SI_PARAM_SAMPLER 1 #define SI_PARAM_RESOURCE 2 #define SI_PARAM_RW_BUFFERS 3 /* VS only parameters */ #define SI_PARAM_VERTEX_BUFFER 4 #define SI_PARAM_START_INSTANCE 5 /* the other VS parameters are assigned dynamically */ /* ES only parameters */ #define SI_PARAM_ES2GS_OFFSET 6 /* GS only parameters */ #define SI_PARAM_GS2VS_OFFSET 4 #define SI_PARAM_GS_WAVE_ID 5 #define SI_PARAM_VTX0_OFFSET 6 #define SI_PARAM_VTX1_OFFSET 7 #define SI_PARAM_PRIMITIVE_ID 8 #define SI_PARAM_VTX2_OFFSET 9 #define SI_PARAM_VTX3_OFFSET 10 #define SI_PARAM_VTX4_OFFSET 11 #define SI_PARAM_VTX5_OFFSET 12 #define SI_PARAM_GS_INSTANCE_ID 13 /* PS only parameters */ #define SI_PARAM_ALPHA_REF 4 #define SI_PARAM_PRIM_MASK 5 #define SI_PARAM_PERSP_SAMPLE 6 #define SI_PARAM_PERSP_CENTER 7 #define SI_PARAM_PERSP_CENTROID 8 #define SI_PARAM_PERSP_PULL_MODEL 9 #define SI_PARAM_LINEAR_SAMPLE 10 #define SI_PARAM_LINEAR_CENTER 11 #define SI_PARAM_LINEAR_CENTROID 12 #define SI_PARAM_LINE_STIPPLE_TEX 13 #define SI_PARAM_POS_X_FLOAT 14 #define SI_PARAM_POS_Y_FLOAT 15 #define SI_PARAM_POS_Z_FLOAT 16 #define SI_PARAM_POS_W_FLOAT 17 #define SI_PARAM_FRONT_FACE 18 #define SI_PARAM_ANCILLARY 19 #define SI_PARAM_SAMPLE_COVERAGE 20 #define SI_PARAM_POS_FIXED_PT 21 #define SI_NUM_PARAMS (SI_PARAM_POS_FIXED_PT + 1) struct si_shader_input { unsigned name; int sid; unsigned param_offset; unsigned index; unsigned interpolate; bool centroid; }; struct si_shader_output { unsigned name; int sid; unsigned param_offset; unsigned index; unsigned usage; }; struct si_pipe_shader; struct si_pipe_shader_selector { struct si_pipe_shader *current; struct tgsi_token *tokens; struct pipe_stream_output_info so; unsigned num_shaders; /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */ unsigned type; /* 1 when the shader contains * TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS, otherwise it's 0. * Used to determine whether we need to include nr_cbufs in the key */ unsigned fs_write_all; }; struct si_shader { unsigned ninput; struct si_shader_input input[40]; unsigned noutput; struct si_shader_output output[40]; /* geometry shader properties */ unsigned gs_input_prim; unsigned gs_output_prim; unsigned gs_max_out_vertices; unsigned nparam; bool uses_kill; bool uses_instanceid; bool fs_write_all; bool vs_out_misc_write; bool vs_out_point_size; bool vs_out_edgeflag; bool vs_out_layer; unsigned nr_pos_exports; unsigned clip_dist_write; }; union si_shader_key { struct { unsigned export_16bpc:8; unsigned nr_cbufs:4; unsigned color_two_side:1; unsigned alpha_func:3; unsigned flatshade:1; unsigned interp_at_sample:1; unsigned alpha_to_one:1; } ps; struct { unsigned instance_divisors[PIPE_MAX_ATTRIBS]; unsigned ucps_enabled:2; unsigned as_es:1; } vs; }; struct si_pipe_shader { struct si_pipe_shader_selector *selector; struct si_pipe_shader *next_variant; struct si_pipe_shader *gs_copy_shader; struct si_shader shader; struct si_pm4_state *pm4; struct r600_resource *bo; unsigned num_sgprs; unsigned num_vgprs; unsigned lds_size; unsigned spi_ps_input_ena; unsigned spi_shader_col_format; unsigned spi_shader_z_format; unsigned db_shader_control; unsigned cb_shader_mask; bool cb0_is_integer; unsigned sprite_coord_enable; union si_shader_key key; }; static inline struct si_shader* si_get_vs_state(struct si_context *sctx) { if (sctx->gs_shader) return &sctx->gs_shader->current->gs_copy_shader->shader; else return &sctx->vs_shader->current->shader; } /* radeonsi_shader.c */ int si_pipe_shader_create(struct pipe_context *ctx, struct si_pipe_shader *shader); int si_pipe_shader_create(struct pipe_context *ctx, struct si_pipe_shader *shader); int si_compile_llvm(struct si_context *sctx, struct si_pipe_shader *shader, LLVMModuleRef mod); void si_pipe_shader_destroy(struct pipe_context *ctx, struct si_pipe_shader *shader); #endif