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tgsi/scan: get information about shader buffer usage

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-10-09 19:26:43 +02:00
parent d89890d000
commit 72267a25db
2 changed files with 23 additions and 0 deletions
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19
src/gallium/auxiliary/tgsi/tgsi_scan.c
View file

@ -339,6 +339,18 @@ scan_instruction(struct tgsi_shader_info *info,
info->images_writemask = info->images_declared;
else
info->images_writemask |= 1 << src->Register.Index;
} else if (src->Register.File == TGSI_FILE_BUFFER) {
if (src->Register.Indirect)
info->shader_buffers_atomic = info->shader_buffers_declared;
else
info->shader_buffers_atomic |= 1 << src->Register.Index;
}
} else {
if (src->Register.File == TGSI_FILE_BUFFER) {
if (src->Register.Indirect)
info->shader_buffers_load = info->shader_buffers_declared;
else
info->shader_buffers_load |= 1 << src->Register.Index;
}
}
}
@ -366,6 +378,11 @@ scan_instruction(struct tgsi_shader_info *info,
info->images_writemask = info->images_declared;
else
info->images_writemask |= 1 << dst->Register.Index;
} else if (dst->Register.File == TGSI_FILE_BUFFER) {
if (dst->Register.Indirect)
info->shader_buffers_store = info->shader_buffers_declared;
else
info->shader_buffers_store |= 1 << dst->Register.Index;
}
}
}
@ -427,6 +444,8 @@ scan_declaration(struct tgsi_shader_info *info,
info->const_buffers_declared |= 1u << buffer;
} else if (file == TGSI_FILE_IMAGE) {
info->images_declared |= 1u << reg;
} else if (file == TGSI_FILE_BUFFER) {
info->shader_buffers_declared |= 1u << reg;
} else if (file == TGSI_FILE_INPUT) {
info->input_semantic_name[reg] = (ubyte) semName;
info->input_semantic_index[reg] = (ubyte) semIndex;

4
src/gallium/auxiliary/tgsi/tgsi_scan.h
View file

@ -133,6 +133,10 @@ struct tgsi_shader_info
* Bitmask indicating which declared image is a buffer.
*/
unsigned images_buffers;
unsigned shader_buffers_declared; /**< bitmask of declared shader buffers */
unsigned shader_buffers_load; /**< bitmask of shader buffers using loads */
unsigned shader_buffers_store; /**< bitmask of shader buffers using stores */
unsigned shader_buffers_atomic; /**< bitmask of shader buffers using atomics */
/**
* Bitmask indicating which register files are accessed with
* indirect addressing. The bits are (1 << TGSI_FILE_x), etc.