diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.c | 76 | ||||
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.h | 3 |
2 files changed, 0 insertions, 79 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index d1ef769ec4d..847f4fce28f 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -891,79 +891,3 @@ tgsi_scan_arrays(const struct tgsi_token *tokens, return; } - - -/** - * Check if the given shader is a "passthrough" shader consisting of only - * MOV instructions of the form: MOV OUT[n], IN[n] - * - */ -boolean -tgsi_is_passthrough_shader(const struct tgsi_token *tokens) -{ - struct tgsi_parse_context parse; - - /** - ** Setup to begin parsing input shader - **/ - if (tgsi_parse_init(&parse, tokens) != TGSI_PARSE_OK) { - debug_printf("tgsi_parse_init() failed in tgsi_is_passthrough_shader()!\n"); - return FALSE; - } - - /** - ** Loop over incoming program tokens/instructions - */ - while (!tgsi_parse_end_of_tokens(&parse)) { - - tgsi_parse_token(&parse); - - switch (parse.FullToken.Token.Type) { - case TGSI_TOKEN_TYPE_INSTRUCTION: - { - struct tgsi_full_instruction *fullinst = - &parse.FullToken.FullInstruction; - const struct tgsi_full_src_register *src = - &fullinst->Src[0]; - const struct tgsi_full_dst_register *dst = - &fullinst->Dst[0]; - - /* Do a whole bunch of checks for a simple move */ - if (fullinst->Instruction.Opcode != TGSI_OPCODE_MOV || - (src->Register.File != TGSI_FILE_INPUT && - src->Register.File != TGSI_FILE_SYSTEM_VALUE) || - dst->Register.File != TGSI_FILE_OUTPUT || - src->Register.Index != dst->Register.Index || - - src->Register.Negate || - src->Register.Absolute || - - src->Register.SwizzleX != TGSI_SWIZZLE_X || - src->Register.SwizzleY != TGSI_SWIZZLE_Y || - src->Register.SwizzleZ != TGSI_SWIZZLE_Z || - src->Register.SwizzleW != TGSI_SWIZZLE_W || - - dst->Register.WriteMask != TGSI_WRITEMASK_XYZW) - { - tgsi_parse_free(&parse); - return FALSE; - } - } - break; - - case TGSI_TOKEN_TYPE_DECLARATION: - /* fall-through */ - case TGSI_TOKEN_TYPE_IMMEDIATE: - /* fall-through */ - case TGSI_TOKEN_TYPE_PROPERTY: - /* fall-through */ - default: - ; /* no-op */ - } - } - - tgsi_parse_free(&parse); - - /* if we get here, it's a pass-through shader */ - return TRUE; -} diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h index 98387c982c6..af1651b7e82 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.h +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h @@ -196,9 +196,6 @@ tgsi_scan_arrays(const struct tgsi_token *tokens, unsigned max_array_id, struct tgsi_array_info *arrays); -extern boolean -tgsi_is_passthrough_shader(const struct tgsi_token *tokens); - #ifdef __cplusplus } // extern "C" #endif |