diff options
| author | Brian <brian.paul@tungstengraphics.com> | 2007-10-02 13:49:38 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-10-02 13:49:38 -0600 |
| commit | 5e49ec339df1d23b1f1790c49c9f102098f42c0d (patch) | |
| tree | eb08d9f45f967b2c203ccc84d209715e17e025e1 /src/mesa/pipe/tgsi | |
| parent | 4726489248283380c0693ebf4eddbe3015caf8a3 (diff) | |
Added TGSI_OPCODE_END
Halt program execution when we get to END instruction. The GLSL compiler
puts subroutines after the end instruction so we have to stop before then.
Diffstat (limited to 'src/mesa/pipe/tgsi')
| -rwxr-xr-x | src/mesa/pipe/tgsi/exec/tgsi_dump.c | 5 | ||||
| -rw-r--r-- | src/mesa/pipe/tgsi/exec/tgsi_exec.c | 12 | ||||
| -rw-r--r-- | src/mesa/pipe/tgsi/exec/tgsi_token.h | 4 | ||||
| -rw-r--r-- | src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c | 29 |
4 files changed, 22 insertions, 28 deletions
diff --git a/src/mesa/pipe/tgsi/exec/tgsi_dump.c b/src/mesa/pipe/tgsi/exec/tgsi_dump.c index 4cf3397162..0b273cd6e5 100755 --- a/src/mesa/pipe/tgsi/exec/tgsi_dump.c +++ b/src/mesa/pipe/tgsi/exec/tgsi_dump.c @@ -363,7 +363,8 @@ static const char *TGSI_OPCODES[] = "OPCODE_CALLNZ", "OPCODE_IFC", "OPCODE_BREAKC", - "OPCODE_TXP" + "OPCODE_TXP", + "OPCODE_END" }; static const char *TGSI_OPCODES_SHORT[] = @@ -500,6 +501,8 @@ static const char *TGSI_OPCODES_SHORT[] = "CALLNZ", "IFC", "BREAKC", + "TXP", + "END" }; static const char *TGSI_SATS[] = diff --git a/src/mesa/pipe/tgsi/exec/tgsi_exec.c b/src/mesa/pipe/tgsi/exec/tgsi_exec.c index ca397bde6a..27154d6883 100644 --- a/src/mesa/pipe/tgsi/exec/tgsi_exec.c +++ b/src/mesa/pipe/tgsi/exec/tgsi_exec.c @@ -2029,6 +2029,11 @@ exec_instruction( } break; + case TGSI_OPCODE_END: + /* halt execution */ + *pc = -1; + break; + case TGSI_OPCODE_ENDIF: /* pop CondMask */ assert(mach->CondStackTop > 0); @@ -2233,15 +2238,14 @@ tgsi_exec_machine_run( struct tgsi_exec_machine *mach ) { uint i; - int pc; + int pc = 0; for (i = 0; i < mach->NumDeclarations; i++) { exec_declaration( mach, mach->Declarations+i ); } - pc = 0; - - while (pc != 99 && pc < mach->NumInstructions) { + while (pc != -1) { + assert(pc < mach->NumInstructions); exec_instruction( mach, mach->Instructions + pc, &pc ); } } diff --git a/src/mesa/pipe/tgsi/exec/tgsi_token.h b/src/mesa/pipe/tgsi/exec/tgsi_token.h index 1d99a50dde..d2fa813815 100644 --- a/src/mesa/pipe/tgsi/exec/tgsi_token.h +++ b/src/mesa/pipe/tgsi/exec/tgsi_token.h @@ -1100,7 +1100,9 @@ struct tgsi_immediate_float32 /* TGSI_OPCODE_MOVA */ /* TGSI_OPCODE_LOGP */ -#define TGSI_OPCODE_LAST 133 +#define TGSI_OPCODE_END 133 /* aka HALT */ + +#define TGSI_OPCODE_LAST 134 #define TGSI_SAT_NONE 0 /* do not saturate */ #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */ diff --git a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c index 5daf50ddef..5c987436be 100644 --- a/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c +++ b/src/mesa/pipe/tgsi/mesa/mesa_to_tgsi.c @@ -154,7 +154,7 @@ convert_writemask( return writemask;
}
-static GLboolean
+static void
compile_instruction(
const struct prog_instruction *inst,
struct tgsi_full_instruction *fullinst,
@@ -460,12 +460,11 @@ compile_instruction( fulldst->DstRegister.WriteMask &= TGSI_WRITEMASK_XYZ;
break;
case OPCODE_END:
- return GL_TRUE;
+ fullinst->Instruction.Opcode = TGSI_OPCODE_END;
+ break;
default:
assert( 0 );
}
-
- return GL_FALSE;
}
static struct tgsi_full_declaration
@@ -658,20 +657,13 @@ tgsi_mesa_compile_fp_program( #endif
for( i = 0; i < program->Base.NumInstructions; i++ ) {
- if( compile_instruction(
+ compile_instruction(
&program->Base.Instructions[i],
&fullinst,
inputMapping,
outputMapping,
preamble_size,
- TGSI_PROCESSOR_FRAGMENT ) ) {
- assert( i == program->Base.NumInstructions - 1 );
-
- if( TGSI_DEBUG ) {
- tgsi_dump( tokens, 0 );
- }
- break;
- }
+ TGSI_PROCESSOR_FRAGMENT );
ti += tgsi_build_full_instruction(
&fullinst,
@@ -741,20 +733,13 @@ tgsi_mesa_compile_vp_program( for( i = 0; i < program->Base.NumInstructions; i++ ) {
- if( compile_instruction(
+ compile_instruction(
&program->Base.Instructions[i],
&fullinst,
inputMapping,
outputMapping,
0,
- TGSI_PROCESSOR_VERTEX ) ) {
- assert( i == program->Base.NumInstructions - 1 );
-
- if( TGSI_DEBUG ) {
- tgsi_dump( tokens, 0 );
- }
- break;
- }
+ TGSI_PROCESSOR_VERTEX );
ti += tgsi_build_full_instruction(
&fullinst,
|