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tgsi: track max array per file

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NOTE IN[] and OUT[] don't need (have?) ArrayID's.. and TEMP[] can
optionally have them.  So we implicitly assume that ArrayID==0 always
exists for each file.  This is why array_max[file] is never less than
zero.

You can tell from indirect_files(_read/written) if the legacy array-
id zero was actually used.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2015-01-04 16:33:37 -05:00
parent 49b4a6331f
commit 18899d1b80
2 changed files with 4 additions and 0 deletions
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2
src/gallium/auxiliary/tgsi/tgsi_scan.c
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@ -165,6 +165,8 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
= &parse.FullToken.FullDeclaration;
const uint file = fulldecl->Declaration.File;
uint reg;
if (fulldecl->Declaration.Array)
info->array_max[file] = MAX2(info->array_max[file], fulldecl->Array.ArrayID);
for (reg = fulldecl->Range.First;
reg <= fulldecl->Range.Last;
reg++) {

2
src/gallium/auxiliary/tgsi/tgsi_scan.h
View file

@ -61,6 +61,8 @@ struct tgsi_shader_info
int file_max[TGSI_FILE_COUNT]; /**< highest index of declared registers */
int const_file_max[PIPE_MAX_CONSTANT_BUFFERS];
unsigned array_max[TGSI_FILE_COUNT]; /**< highest index array per register file */
uint immediate_count; /**< number of immediates declared */
uint num_instructions;