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ARB prog parser: new set_src_reg(), set_dst_reg() helpers

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These functions do sanity checks on the register file and index.
This commit is contained in:
Brian Paul 2009-10-30 19:05:50 -06:00
parent a71edc9455
commit df5615de1f
1 changed files with 55 additions and 28 deletions
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83
src/mesa/shader/program_parse.y
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@ -66,8 +66,14 @@ static int validate_inputs(struct YYLTYPE *locp,
static void init_dst_reg(struct prog_dst_register *r);
static void set_dst_reg(struct prog_dst_register *r,
gl_register_file file, GLint index);
static void init_src_reg(struct asm_src_register *r);
static void set_src_reg(struct asm_src_register *r,
gl_register_file file, GLint index);
static void asm_instruction_set_operands(struct asm_instruction *inst,
const struct prog_dst_register *dst, const struct asm_src_register *src0,
const struct asm_src_register *src1, const struct asm_src_register *src2);
@ -580,9 +586,7 @@ scalarUse: srcReg scalarSuffix
temp_sym.param_binding_begin = ~0;
initialize_symbol_from_const(state->prog, & temp_sym, & $1);
init_src_reg(& $$);
$$.Base.File = PROGRAM_CONSTANT;
$$.Base.Index = temp_sym.param_binding_begin;
set_src_reg(& $$, PROGRAM_CONSTANT, temp_sym.param_binding_begin);
}
;
@ -644,9 +648,7 @@ maskedDstReg: dstReg optionalMask optionalCcMask
maskedAddrReg: addrReg addrWriteMask
{
init_dst_reg(& $$);
$$.File = PROGRAM_ADDRESS;
$$.Index = 0;
set_dst_reg(& $$, PROGRAM_ADDRESS, 0);
$$.WriteMask = $2.mask;
}
;
@ -776,16 +778,13 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */
init_src_reg(& $$);
switch (s->type) {
case at_temp:
$$.Base.File = PROGRAM_TEMPORARY;
$$.Base.Index = s->temp_binding;
set_src_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
break;
case at_param:
$$.Base.File = s->param_binding_type;
$$.Base.Index = s->param_binding_begin;
set_src_reg(& $$, s->param_binding_type, s->param_binding_begin);
break;
case at_attrib:
$$.Base.File = PROGRAM_INPUT;
$$.Base.Index = s->attrib_binding;
set_src_reg(& $$, PROGRAM_INPUT, s->attrib_binding);
state->prog->InputsRead |= (1U << $$.Base.Index);
if (!validate_inputs(& @1, state)) {
@ -800,9 +799,7 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */
}
| attribBinding
{
init_src_reg(& $$);
$$.Base.File = PROGRAM_INPUT;
$$.Base.Index = $1;
set_src_reg(& $$, PROGRAM_INPUT, $1);
state->prog->InputsRead |= (1U << $$.Base.Index);
if (!validate_inputs(& @1, state)) {
@ -832,19 +829,16 @@ srcReg: USED_IDENTIFIER /* temporaryReg | progParamSingle */
}
| paramSingleItemUse
{
init_src_reg(& $$);
$$.Base.File = ($1.name != NULL)
gl_register_file file = ($1.name != NULL)
? $1.param_binding_type
: PROGRAM_CONSTANT;
$$.Base.Index = $1.param_binding_begin;
set_src_reg(& $$, file, $1.param_binding_begin);
}
;
dstReg: resultBinding
{
init_dst_reg(& $$);
$$.File = PROGRAM_OUTPUT;
$$.Index = $1;
set_dst_reg(& $$, PROGRAM_OUTPUT, $1);
}
| USED_IDENTIFIER /* temporaryReg | vertexResultReg */
{
@ -859,19 +853,15 @@ dstReg: resultBinding
YYERROR;
}
init_dst_reg(& $$);
switch (s->type) {
case at_temp:
$$.File = PROGRAM_TEMPORARY;
$$.Index = s->temp_binding;
set_dst_reg(& $$, PROGRAM_TEMPORARY, s->temp_binding);
break;
case at_output:
$$.File = PROGRAM_OUTPUT;
$$.Index = s->output_binding;
set_dst_reg(& $$, PROGRAM_OUTPUT, s->output_binding);
break;
default:
$$.File = s->param_binding_type;
$$.Index = s->param_binding_begin;
set_dst_reg(& $$, s->param_binding_type, s->param_binding_begin);
break;
}
}
@ -2263,6 +2253,26 @@ init_dst_reg(struct prog_dst_register *r)
}
/** Like init_dst_reg() but set the File and Index fields. */
void
set_dst_reg(struct prog_dst_register *r, gl_register_file file, GLint index)
{
const GLint maxIndex = 1 << INST_INDEX_BITS;
const GLint minIndex = 0;
ASSERT(index >= minIndex);
ASSERT(index <= maxIndex);
ASSERT(file == PROGRAM_TEMPORARY ||
file == PROGRAM_ADDRESS ||
file == PROGRAM_OUTPUT);
memset(r, 0, sizeof(*r));
r->File = file;
r->Index = index;
r->WriteMask = WRITEMASK_XYZW;
r->CondMask = COND_TR;
r->CondSwizzle = SWIZZLE_NOOP;
}
void
init_src_reg(struct asm_src_register *r)
{
@ -2273,6 +2283,23 @@ init_src_reg(struct asm_src_register *r)
}
/** Like init_src_reg() but set the File and Index fields. */
void
set_src_reg(struct asm_src_register *r, gl_register_file file, GLint index)
{
const GLint maxIndex = (1 << INST_INDEX_BITS) - 1;
const GLint minIndex = -(1 << INST_INDEX_BITS);
ASSERT(index >= minIndex);
ASSERT(index <= maxIndex);
ASSERT(file < PROGRAM_FILE_MAX);
memset(r, 0, sizeof(*r));
r->Base.File = file;
r->Base.Index = index;
r->Base.Swizzle = SWIZZLE_NOOP;
r->Symbol = NULL;
}
/**
* Validate the set of inputs used by a program
*