diff options
Diffstat (limited to 'src/gallium/drivers/radeonsi/si_shader.h')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h new file mode 100644 index 00000000000..2a15a9fa2bd --- /dev/null +++ b/src/gallium/drivers/radeonsi/si_shader.h @@ -0,0 +1,161 @@ +/* + * 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 <[email protected]> + * Michel Dänzer <[email protected]> + * Christian König <[email protected]> + */ + +#ifndef SI_SHADER_H +#define SI_SHADER_H + +#include <llvm-c/Core.h> /* LLVMModuleRef */ + +#define SI_SGPR_CONST 0 +#define SI_SGPR_SAMPLER 2 +#define SI_SGPR_RESOURCE 4 +#define SI_SGPR_VERTEX_BUFFER 6 /* VS only */ +#define SI_SGPR_SO_BUFFER 8 /* VS only, stream-out */ +#define SI_SGPR_START_INSTANCE 10 /* VS only */ +#define SI_SGPR_ALPHA_REF 6 /* PS only */ + +#define SI_VS_NUM_USER_SGPR 11 +#define SI_PS_NUM_USER_SGPR 7 + +/* LLVM function parameter indices */ +#define SI_PARAM_CONST 0 +#define SI_PARAM_SAMPLER 1 +#define SI_PARAM_RESOURCE 2 + +/* VS only parameters */ +#define SI_PARAM_VERTEX_BUFFER 3 +#define SI_PARAM_SO_BUFFER 4 +#define SI_PARAM_START_INSTANCE 5 +/* the other VS parameters are assigned dynamically */ + +/* PS only parameters */ +#define SI_PARAM_ALPHA_REF 3 +#define SI_PARAM_PRIM_MASK 4 +#define SI_PARAM_PERSP_SAMPLE 5 +#define SI_PARAM_PERSP_CENTER 6 +#define SI_PARAM_PERSP_CENTROID 7 +#define SI_PARAM_PERSP_PULL_MODEL 8 +#define SI_PARAM_LINEAR_SAMPLE 9 +#define SI_PARAM_LINEAR_CENTER 10 +#define SI_PARAM_LINEAR_CENTROID 11 +#define SI_PARAM_LINE_STIPPLE_TEX 12 +#define SI_PARAM_POS_X_FLOAT 13 +#define SI_PARAM_POS_Y_FLOAT 14 +#define SI_PARAM_POS_Z_FLOAT 15 +#define SI_PARAM_POS_W_FLOAT 16 +#define SI_PARAM_FRONT_FACE 17 +#define SI_PARAM_ANCILLARY 18 +#define SI_PARAM_SAMPLE_COVERAGE 19 +#define SI_PARAM_POS_FIXED_PT 20 + +struct si_shader_io { + unsigned name; + int sid; + unsigned param_offset; + unsigned interpolate; + bool centroid; +}; + +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_io input[40]; + + unsigned noutput; + struct si_shader_io output[40]; + + unsigned ninterp; + 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 alpha_to_one:1; + } ps; + struct { + unsigned instance_divisors[PIPE_MAX_ATTRIBS]; + unsigned ucps_enabled:2; + } vs; +}; + +struct si_pipe_shader { + struct si_pipe_shader_selector *selector; + struct si_pipe_shader *next_variant; + 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 cb_shader_mask; + bool cb0_is_integer; + unsigned sprite_coord_enable; + union si_shader_key key; +}; + +/* 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 r600_context *rctx, struct si_pipe_shader *shader, + LLVMModuleRef mod); +void si_pipe_shader_destroy(struct pipe_context *ctx, struct si_pipe_shader *shader); + +#endif |