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| author | Michal Krol <michal@tungstengraphics.com> | 2008-08-13 17:31:26 +0200 |
|---|---|---|
| committer | Michal Krol <michal@tungstengraphics.com> | 2008-08-13 17:35:20 +0200 |
| commit | 4b929b32d03a58d80cacbd63c172dbd7221c8a8f (patch) | |
| tree | dd9ded01ff82d657a5acaf291571d697d050ad4d /src/gallium/auxiliary/tgsi/tgsi_sanity.c | |
| parent | 2caaba8195d1019702246bd7f0c02aa95364a8bd (diff) | |
| download | external_mesa3d-4b929b32d03a58d80cacbd63c172dbd7221c8a8f.zip external_mesa3d-4b929b32d03a58d80cacbd63c172dbd7221c8a8f.tar.gz external_mesa3d-4b929b32d03a58d80cacbd63c172dbd7221c8a8f.tar.bz2 | |
tgsi: Validate instruction opcode and operand counts.
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_sanity.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_sanity.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sanity.c b/src/gallium/auxiliary/tgsi/tgsi_sanity.c index 2e3ec96..0b5bdd6 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_sanity.c +++ b/src/gallium/auxiliary/tgsi/tgsi_sanity.c @@ -27,6 +27,7 @@ #include "pipe/p_debug.h" #include "tgsi_sanity.h" +#include "tgsi_info.h" #include "tgsi_iterate.h" #define MAX_REGISTERS 256 @@ -170,6 +171,7 @@ iter_instruction( struct tgsi_full_instruction *inst ) { struct sanity_check_ctx *ctx = (struct sanity_check_ctx *) iter; + const struct tgsi_opcode_info *info; uint i; /* There must be no other instructions after END. @@ -181,6 +183,19 @@ iter_instruction( ctx->index_of_END = ctx->num_instructions; } + info = tgsi_get_opcode_info( inst->Instruction.Opcode ); + if (info == NULL) { + report_error( ctx, "Invalid instruction opcode" ); + return TRUE; + } + + if (info->num_dst != inst->Instruction.NumDstRegs) { + report_error( ctx, "Invalid number of destination operands" ); + } + if (info->num_src != inst->Instruction.NumSrcRegs) { + report_error( ctx, "Invalid number of source operands" ); + } + /* Check destination and source registers' validity. * Mark the registers as used. */ |