diff options
Diffstat (limited to 'src/mesa/shader/program_parse.y')
| -rw-r--r-- | src/mesa/shader/program_parse.y | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/src/mesa/shader/program_parse.y b/src/mesa/shader/program_parse.y index 9dab00c3856..4cd459a096f 100644 --- a/src/mesa/shader/program_parse.y +++ b/src/mesa/shader/program_parse.y @@ -177,7 +177,7 @@ static struct asm_instruction *asm_instruction_ctor(gl_inst_opcode op, %type <inst> instruction ALU_instruction TexInstruction %type <inst> ARL_instruction VECTORop_instruction %type <inst> SCALARop_instruction BINSCop_instruction BINop_instruction -%type <inst> TRIop_instruction SWZ_instruction SAMPLE_instruction +%type <inst> TRIop_instruction TXD_instruction SWZ_instruction SAMPLE_instruction %type <inst> KIL_instruction %type <dst_reg> dstReg maskedDstReg maskedAddrReg @@ -347,6 +347,7 @@ ALU_instruction: ARL_instruction TexInstruction: SAMPLE_instruction | KIL_instruction + | TXD_instruction ; ARL_instruction: ARL maskedAddrReg ',' scalarSrcReg @@ -444,6 +445,51 @@ KIL_instruction: KIL swizzleSrcReg } ; +TXD_instruction: TXD_OP maskedDstReg ',' swizzleSrcReg ',' swizzleSrcReg ',' swizzleSrcReg ',' texImageUnit ',' texTarget + { + $$ = asm_instruction_ctor($1.Opcode, & $2, & $4, & $6, & $8); + if ($$ != NULL) { + const GLbitfield tex_mask = (1U << $10); + GLbitfield shadow_tex = 0; + GLbitfield target_mask = 0; + + + $$->Base.SaturateMode = $1.SaturateMode; + $$->Base.TexSrcUnit = $10; + + if ($12 < 0) { + shadow_tex = tex_mask; + + $$->Base.TexSrcTarget = -$12; + $$->Base.TexShadow = 1; + } else { + $$->Base.TexSrcTarget = $12; + } + + target_mask = (1U << $$->Base.TexSrcTarget); + + /* If this texture unit was previously accessed and that access + * had a different texture target, generate an error. + * + * If this texture unit was previously accessed and that access + * had a different shadow mode, generate an error. + */ + if ((state->prog->TexturesUsed[$10] != 0) + && ((state->prog->TexturesUsed[$10] != target_mask) + || ((state->prog->ShadowSamplers & tex_mask) + != shadow_tex))) { + yyerror(& @12, state, + "multiple targets used on one texture image unit"); + YYERROR; + } + + + state->prog->TexturesUsed[$10] |= target_mask; + state->prog->ShadowSamplers |= shadow_tex; + } + } + ; + texImageUnit: TEXTURE_UNIT optTexImageUnitNum { $$ = $2; |