/* * 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 */ #include "tgsi/tgsi_scan.h" #include "si_state.h" #define SI_SGPR_RW_BUFFERS 0 /* rings (& stream-out, VS only) */ #define SI_SGPR_CONST 2 #define SI_SGPR_SAMPLER 4 #define SI_SGPR_RESOURCE 6 #define SI_SGPR_VERTEX_BUFFER 8 /* VS only */ #define SI_SGPR_BASE_VERTEX 10 /* VS only */ #define SI_SGPR_START_INSTANCE 11 /* VS only */ #define SI_SGPR_ALPHA_REF 8 /* PS only */ #define SI_VS_NUM_USER_SGPR 12 #define SI_GS_NUM_USER_SGPR 8 #define SI_GSCOPY_NUM_USER_SGPR 4 #define SI_PS_NUM_USER_SGPR 9 /* LLVM function parameter indices */ #define SI_PARAM_RW_BUFFERS 0 #define SI_PARAM_CONST 1 #define SI_PARAM_SAMPLER 2 #define SI_PARAM_RESOURCE 3 /* VS only parameters */ #define SI_PARAM_VERTEX_BUFFER 4 #define SI_PARAM_BASE_VERTEX 5 #define SI_PARAM_START_INSTANCE 6 /* the other VS parameters are assigned dynamically */ /* ES only parameters */ #define SI_PARAM_ES2GS_OFFSET 7 /* 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; }; struct si_shader; struct si_shader_selector { struct si_shader *current; struct tgsi_token *tokens; struct pipe_stream_output_info so; struct tgsi_shader_info info; unsigned num_shaders; /* PIPE_SHADER_[VERTEX|FRAGMENT|...] */ unsigned type; unsigned gs_output_prim; unsigned gs_max_out_vertices; uint64_t gs_used_inputs; /* mask of "get_unique_index" bits */ }; 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 alpha_to_one:1; } ps; struct { unsigned instance_divisors[SI_NUM_VERTEX_BUFFERS]; /* The mask of "get_unique_index" bits, needed for ES, * it describes how the ES->GS ring buffer is laid out. */ uint64_t gs_used_inputs; unsigned ucps_enabled:2; unsigned as_es:1; } vs; }; struct si_shader { struct si_shader_selector *selector; struct si_shader *next_variant; struct si_shader *gs_copy_shader; struct si_pm4_state *pm4; struct r600_resource *bo; struct r600_resource *scratch_bo; unsigned num_sgprs; unsigned num_vgprs; unsigned lds_size; unsigned spi_ps_input_ena; unsigned scratch_bytes_per_wave; unsigned spi_shader_col_format; unsigned spi_shader_z_format; unsigned db_shader_control; unsigned cb_shader_mask; union si_shader_key key; unsigned ninput; struct si_shader_input input[40]; unsigned noutput; struct si_shader_output output[40]; unsigned nparam; bool uses_instanceid; 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; bool is_gs_copy_shader; }; 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; else return sctx->vs_shader->current; } /* radeonsi_shader.c */ int si_shader_create(struct si_screen *sscreen, struct si_shader *shader); int si_compile_llvm(struct si_screen *sscreen, struct si_shader *shader, LLVMModuleRef mod); void si_shader_destroy(struct pipe_context *ctx, struct si_shader *shader); unsigned si_shader_io_get_unique_index(unsigned semantic_name, unsigned index); #endif