src/amd/common/ac_shader_util.h

   1 /*
   2  * Copyright 2012 Advanced Micro Devices, Inc.
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef AC_SHADER_UTIL_H
  25 #define AC_SHADER_UTIL_H
  26
  27 #include "ac_binary.h"
  28 #include "amd_family.h"
  29 #include "compiler/nir/nir.h"
  30
  31 #include <stdbool.h>
  32 #include <stdint.h>
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 enum ac_image_dim
  39 {
  40    ac_image_1d,
  41    ac_image_2d,
  42    ac_image_3d,
  43    ac_image_cube, // includes cube arrays
  44    ac_image_1darray,
  45    ac_image_2darray,
  46    ac_image_2dmsaa,
  47    ac_image_2darraymsaa,
  48 };
  49
  50 struct ac_data_format_info {
  51    uint8_t element_size;
  52    uint8_t num_channels;
  53    uint8_t chan_byte_size;
  54    uint8_t chan_format;
  55 };
  56
  57 struct ac_spi_color_formats {
  58    unsigned normal : 8;
  59    unsigned alpha : 8;
  60    unsigned blend : 8;
  61    unsigned blend_alpha : 8;
  62 };
  63
  64 unsigned ac_get_spi_shader_z_format(bool writes_z, bool writes_stencil, bool writes_samplemask);
  65
  66 unsigned ac_get_cb_shader_mask(unsigned spi_shader_col_format);
  67
  68 uint32_t ac_vgt_gs_mode(unsigned gs_max_vert_out, enum chip_class chip_class);
  69
  70 unsigned ac_get_tbuffer_format(enum chip_class chip_class, unsigned dfmt, unsigned nfmt);
  71
  72 const struct ac_data_format_info *ac_get_data_format_info(unsigned dfmt);
  73
  74 enum ac_image_dim ac_get_sampler_dim(enum chip_class chip_class, enum glsl_sampler_dim dim,
  75                                      bool is_array);
  76
  77 enum ac_image_dim ac_get_image_dim(enum chip_class chip_class, enum glsl_sampler_dim sdim,
  78                                    bool is_array);
  79
  80 unsigned ac_get_fs_input_vgpr_cnt(const struct ac_shader_config *config,
  81                                   signed char *face_vgpr_index, signed char *ancillary_vgpr_index);
  82
  83 void ac_choose_spi_color_formats(unsigned format, unsigned swap, unsigned ntype, bool is_depth,
  84                                  struct ac_spi_color_formats *formats);
  85
  86 #ifdef __cplusplus
  87 }
  88 #endif
  89
  90 #endif