96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/*
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* Copyright © 2018 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef NIR_XFB_INFO_H
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#define NIR_XFB_INFO_H
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#include "nir.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NIR_MAX_XFB_BUFFERS 4
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#define NIR_MAX_XFB_STREAMS 4
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typedef struct {
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uint16_t stride;
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uint16_t varying_count;
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} nir_xfb_buffer_info;
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typedef struct {
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uint8_t buffer;
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uint16_t offset;
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uint8_t location;
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uint8_t component_mask;
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uint8_t component_offset;
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} nir_xfb_output_info;
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typedef struct {
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const struct glsl_type *type;
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uint8_t buffer;
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uint16_t offset;
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} nir_xfb_varying_info;
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typedef struct nir_xfb_info {
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uint8_t buffers_written;
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uint8_t streams_written;
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nir_xfb_buffer_info buffers[NIR_MAX_XFB_BUFFERS];
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uint8_t buffer_to_stream[NIR_MAX_XFB_STREAMS];
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uint16_t output_count;
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nir_xfb_output_info outputs[0];
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} nir_xfb_info;
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typedef struct nir_xfb_varyings_info {
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uint16_t varying_count;
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nir_xfb_varying_info varyings[0];
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} nir_xfb_varyings_info;
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static inline size_t
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nir_xfb_info_size(uint16_t output_count)
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{
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return sizeof(nir_xfb_info) + sizeof(nir_xfb_output_info) * output_count;
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}
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void nir_shader_gather_xfb_info(nir_shader *shader);
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void
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nir_gather_xfb_info_with_varyings(nir_shader *shader,
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void *mem_ctx,
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nir_xfb_varyings_info **varyings_info);
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nir_xfb_info *
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nir_gather_xfb_info_from_intrinsics(nir_shader *nir,
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int slot_to_register[NUM_TOTAL_VARYING_SLOTS]);
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void
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nir_print_xfb_info(nir_xfb_info *info, FILE *fp);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* NIR_XFB_INFO_H */
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