static GLboolean EmitComments = GL_FALSE;
+typedef struct
+{
+ slang_info_log *log;
+ slang_var_table *vt;
+ struct gl_program *prog;
+} slang_emit_info;
+
/**
* Assembly and IR info
* a multiply or add, etc.
*/
static GLboolean
-alloc_temp_storage(slang_var_table *vt, slang_ir_node *n, GLint size)
+alloc_temp_storage(slang_emit_info *emitInfo, slang_ir_node *n, GLint size)
{
assert(!n->Var);
assert(!n->Store);
assert(size > 0);
n->Store = _slang_new_ir_storage(PROGRAM_TEMPORARY, -1, size);
- if (!_slang_alloc_temp(vt, n->Store)) {
- RETURN_ERROR("Ran out of registers, too many temporaries", 0);
+ if (!_slang_alloc_temp(emitInfo->vt, n->Store)) {
+ slang_info_log_error(emitInfo->log,
+ "Ran out of registers, too many temporaries");
+ return GL_FALSE;
}
return GL_TRUE;
}
* \return pointer to the new instruction
*/
static struct prog_instruction *
-new_instruction(struct gl_program *prog, gl_inst_opcode opcode)
+new_instruction(slang_emit_info *emitInfo, gl_inst_opcode opcode)
{
+ struct gl_program *prog = emitInfo->prog;
struct prog_instruction *inst;
prog->Instructions = _mesa_realloc_instructions(prog->Instructions,
prog->NumInstructions,
static struct prog_instruction *
-emit(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog);
+emit(slang_emit_info *emitInfo, slang_ir_node *n);
/**
* Either 1, 2 or 3 operands.
*/
static struct prog_instruction *
-emit_arith(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_arith(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
const slang_ir_info *info = slang_find_ir_info(n->Opcode);
if (info->NumParams == 2 &&
n->Opcode == IR_ADD && n->Children[0]->Opcode == IR_MUL) {
/* found pattern IR_ADD(IR_MUL(A, B), C) */
- emit(vt, n->Children[0]->Children[0], prog); /* A */
- emit(vt, n->Children[0]->Children[1], prog); /* B */
- emit(vt, n->Children[1], prog); /* C */
+ emit(emitInfo, n->Children[0]->Children[0]); /* A */
+ emit(emitInfo, n->Children[0]->Children[1]); /* B */
+ emit(emitInfo, n->Children[1]); /* C */
/* generate MAD instruction */
- inst = new_instruction(prog, OPCODE_MAD);
+ inst = new_instruction(emitInfo, OPCODE_MAD);
/* operands: A, B, C: */
storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Children[0]->Store);
storage_to_src_reg(&inst->SrcReg[1], n->Children[0]->Children[1]->Store);
storage_to_src_reg(&inst->SrcReg[2], n->Children[1]->Store);
- free_temp_storage(vt, n->Children[0]->Children[0]);
- free_temp_storage(vt, n->Children[0]->Children[1]);
- free_temp_storage(vt, n->Children[1]);
+ free_temp_storage(emitInfo->vt, n->Children[0]->Children[0]);
+ free_temp_storage(emitInfo->vt, n->Children[0]->Children[1]);
+ free_temp_storage(emitInfo->vt, n->Children[1]);
}
else if (info->NumParams == 2 &&
n->Opcode == IR_ADD && n->Children[1]->Opcode == IR_MUL) {
/* found pattern IR_ADD(A, IR_MUL(B, C)) */
- emit(vt, n->Children[0], prog); /* A */
- emit(vt, n->Children[1]->Children[0], prog); /* B */
- emit(vt, n->Children[1]->Children[1], prog); /* C */
+ emit(emitInfo, n->Children[0]); /* A */
+ emit(emitInfo, n->Children[1]->Children[0]); /* B */
+ emit(emitInfo, n->Children[1]->Children[1]); /* C */
/* generate MAD instruction */
- inst = new_instruction(prog, OPCODE_MAD);
+ inst = new_instruction(emitInfo, OPCODE_MAD);
/* operands: B, C, A */
storage_to_src_reg(&inst->SrcReg[0], n->Children[1]->Children[0]->Store);
storage_to_src_reg(&inst->SrcReg[1], n->Children[1]->Children[1]->Store);
storage_to_src_reg(&inst->SrcReg[2], n->Children[0]->Store);
- free_temp_storage(vt, n->Children[1]->Children[0]);
- free_temp_storage(vt, n->Children[1]->Children[1]);
- free_temp_storage(vt, n->Children[0]);
+ free_temp_storage(emitInfo->vt, n->Children[1]->Children[0]);
+ free_temp_storage(emitInfo->vt, n->Children[1]->Children[1]);
+ free_temp_storage(emitInfo->vt, n->Children[0]);
}
else
#endif
/* gen code for children */
for (i = 0; i < info->NumParams; i++)
- emit(vt, n->Children[i], prog);
+ emit(emitInfo, n->Children[i]);
/* gen this instruction and src registers */
- inst = new_instruction(prog, info->InstOpcode);
+ inst = new_instruction(emitInfo, info->InstOpcode);
for (i = 0; i < info->NumParams; i++)
storage_to_src_reg(&inst->SrcReg[i], n->Children[i]->Store);
/* annotation */
for (i = 0; i < info->NumParams; i++)
- srcAnnot[i] = storage_annotation(n->Children[i], prog);
+ srcAnnot[i] = storage_annotation(n->Children[i], emitInfo->prog);
/* free temps */
for (i = 0; i < info->NumParams; i++)
- free_temp_storage(vt, n->Children[i]);
+ free_temp_storage(emitInfo->vt, n->Children[i]);
}
/* result storage */
if (!n->Store) {
- if (!alloc_temp_storage(vt, n, info->ResultSize))
+ if (!alloc_temp_storage(emitInfo, n, info->ResultSize))
return NULL;
}
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
- dstAnnot = storage_annotation(n, prog);
+ dstAnnot = storage_annotation(n, emitInfo->prog);
inst->Comment = instruction_annotation(inst->Opcode, dstAnnot, srcAnnot[0],
srcAnnot[1], srcAnnot[2]);
* Generate code for an IR_CLAMP instruction.
*/
static struct prog_instruction *
-emit_clamp(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_clamp(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
* ch[2] = max limit
*/
- inst = emit(vt, n->Children[0], prog);
+ inst = emit(emitInfo, n->Children[0]);
/* If lower limit == 0.0 and upper limit == 1.0,
* set prev instruction's SaturateMode field to SATURATE_ZERO_ONE.
#endif
if (!n->Store)
- if (!alloc_temp_storage(vt, n, n->Children[0]->Store->Size))
+ if (!alloc_temp_storage(emitInfo, n, n->Children[0]->Store->Size))
return NULL;
- emit(vt, n->Children[1], prog);
- emit(vt, n->Children[2], prog);
+ emit(emitInfo, n->Children[1]);
+ emit(emitInfo, n->Children[2]);
/* tmp = max(ch[0], ch[1]) */
- inst = new_instruction(prog, OPCODE_MAX);
+ inst = new_instruction(emitInfo, OPCODE_MAX);
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
storage_to_src_reg(&inst->SrcReg[1], n->Children[1]->Store);
/* tmp = min(tmp, ch[2]) */
- inst = new_instruction(prog, OPCODE_MIN);
+ inst = new_instruction(emitInfo, OPCODE_MIN);
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Store);
storage_to_src_reg(&inst->SrcReg[1], n->Children[2]->Store);
static struct prog_instruction *
-emit_negation(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_negation(slang_emit_info *emitInfo, slang_ir_node *n)
{
/* Implement as MOV dst, -src; */
/* XXX we could look at the previous instruction and in some circumstances
*/
struct prog_instruction *inst;
- emit(vt, n->Children[0], prog);
+ emit(emitInfo, n->Children[0]);
if (!n->Store)
- if (!alloc_temp_storage(vt, n, n->Children[0]->Store->Size))
+ if (!alloc_temp_storage(emitInfo, n, n->Children[0]->Store->Size))
return NULL;
- inst = new_instruction(prog, OPCODE_MOV);
+ inst = new_instruction(emitInfo, OPCODE_MOV);
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
inst->SrcReg[0].NegateBase = NEGATE_XYZW;
static struct prog_instruction *
-emit_label(const slang_ir_node *n, struct gl_program *prog)
+emit_label(slang_emit_info *emitInfo, const slang_ir_node *n)
{
assert(n->Label);
assert(_slang_label_get_location(n->Label) < 0);
- _slang_label_set_location(n->Label, prog->NumInstructions, prog);
+ _slang_label_set_location(n->Label, emitInfo->prog->NumInstructions,
+ emitInfo->prog);
return NULL;
}
static struct prog_instruction *
-emit_cjump(slang_ir_node *n, struct gl_program *prog, GLuint zeroOrOne)
+emit_cjump(slang_emit_info *emitInfo, slang_ir_node *n, GLuint zeroOrOne)
{
struct prog_instruction *inst;
assert(n->Opcode == IR_CJUMP0 || n->Opcode == IR_CJUMP1);
- inst = new_instruction(prog, OPCODE_BRA);
+ inst = new_instruction(emitInfo, OPCODE_BRA);
if (zeroOrOne)
inst->DstReg.CondMask = COND_NE; /* branch if non-zero */
else
inst->DstReg.CondSwizzle = SWIZZLE_X;
inst->BranchTarget = _slang_label_get_location(n->Label);
if (inst->BranchTarget < 0) {
- _slang_label_add_reference(n->Label, prog->NumInstructions - 1);
+ _slang_label_add_reference(n->Label, emitInfo->prog->NumInstructions - 1);
}
return inst;
}
static struct prog_instruction *
-emit_jump(slang_ir_node *n, struct gl_program *prog)
+emit_jump(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
- inst = new_instruction(prog, OPCODE_BRA);
+ inst = new_instruction(emitInfo, OPCODE_BRA);
inst->DstReg.CondMask = COND_TR; /* always branch */
inst->BranchTarget = _slang_label_get_location(n->Label);
if (inst->BranchTarget < 0) {
- _slang_label_add_reference(n->Label, prog->NumInstructions - 1);
+ _slang_label_add_reference(n->Label, emitInfo->prog->NumInstructions - 1);
}
return inst;
}
static struct prog_instruction *
-emit_kill(struct gl_program *prog)
+emit_kill(slang_emit_info *emitInfo)
{
struct prog_instruction *inst;
/* NV-KILL - discard fragment depending on condition code.
* Note that ARB-KILL depends on sign of vector operand.
*/
- inst = new_instruction(prog, OPCODE_KIL_NV);
+ inst = new_instruction(emitInfo, OPCODE_KIL_NV);
inst->DstReg.CondMask = COND_TR; /* always branch */
return inst;
}
static struct prog_instruction *
-emit_tex(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_tex(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
if (n->Opcode == IR_TEX) {
- inst = new_instruction(prog, OPCODE_TEX);
+ inst = new_instruction(emitInfo, OPCODE_TEX);
}
else if (n->Opcode == IR_TEXB) {
- inst = new_instruction(prog, OPCODE_TXB);
+ inst = new_instruction(emitInfo, OPCODE_TXB);
}
else {
assert(n->Opcode == IR_TEXP);
- inst = new_instruction(prog, OPCODE_TXP);
+ inst = new_instruction(emitInfo, OPCODE_TXP);
}
if (!n->Store)
- if (!alloc_temp_storage(vt, n, 4))
+ if (!alloc_temp_storage(emitInfo, n, 4))
return NULL;
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
- (void) emit(vt, n->Children[1], prog);
+ (void) emit(emitInfo, n->Children[1]);
/* Child[1] is the coord */
storage_to_src_reg(&inst->SrcReg[0], n->Children[1]->Store);
static struct prog_instruction *
-emit_move(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_move(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
/* rhs */
assert(n->Children[1]);
- inst = emit(vt, n->Children[1], prog);
+ inst = emit(emitInfo, n->Children[1]);
assert(n->Children[1]->Store->Index >= 0);
/* lhs */
- emit(vt, n->Children[0], prog);
+ emit(emitInfo, n->Children[0]);
assert(!n->Store);
n->Store = n->Children[0]->Store;
#if PEEPHOLE_OPTIMIZATIONS
- if (inst && _slang_is_temp(vt, n->Children[1]->Store)) {
+ if (inst && _slang_is_temp(emitInfo->vt, n->Children[1]->Store)) {
/* Peephole optimization:
* Just modify the RHS to put its result into the dest of this
* MOVE operation. Then, this MOVE is a no-op.
*/
- _slang_free_temp(vt, n->Children[1]->Store);
+ _slang_free_temp(emitInfo->vt, n->Children[1]->Store);
*n->Children[1]->Store = *n->Children[0]->Store;
/* fixup the prev (RHS) instruction */
assert(n->Children[0]->Store->Index >= 0);
dstStore.Size = 4;
srcStore.Size = 4;
while (size >= 4) {
- inst = new_instruction(prog, OPCODE_MOV);
+ inst = new_instruction(emitInfo, OPCODE_MOV);
inst->Comment = _mesa_strdup("IR_MOVE block");
storage_to_dst_reg(&inst->DstReg, &dstStore, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], &srcStore);
else {
/* single register move */
char *srcAnnot, *dstAnnot;
- inst = new_instruction(prog, OPCODE_MOV);
+ inst = new_instruction(emitInfo, OPCODE_MOV);
assert(n->Children[0]->Store->Index >= 0);
assert(n->Children[0]->Store->Index < 16);
storage_to_dst_reg(&inst->DstReg, n->Children[0]->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[1]->Store);
- dstAnnot = storage_annotation(n->Children[0], prog);
- srcAnnot = storage_annotation(n->Children[1], prog);
+ dstAnnot = storage_annotation(n->Children[0], emitInfo->prog);
+ srcAnnot = storage_annotation(n->Children[1], emitInfo->prog);
inst->Comment = instruction_annotation(inst->Opcode, dstAnnot,
srcAnnot, NULL, NULL);
}
- free_temp_storage(vt, n->Children[1]);
+ free_temp_storage(emitInfo->vt, n->Children[1]);
return inst;
}
}
static struct prog_instruction *
-emit_cond(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_cond(slang_emit_info *emitInfo, slang_ir_node *n)
{
/* Conditional expression (in if/while/for stmts).
* Need to update condition code register.
* Next instruction is typically an IR_CJUMP0/1.
*/
/* last child expr instruction: */
- struct prog_instruction *inst = emit(vt, n->Children[0], prog);
+ struct prog_instruction *inst = emit(emitInfo, n->Children[0]);
if (inst) {
/* set inst's CondUpdate flag */
inst->CondUpdate = GL_TRUE;
* Note: must use full 4-component vector since all four
* condition codes must be set identically.
*/
- if (!alloc_temp_storage(vt, n, 4))
+ if (!alloc_temp_storage(emitInfo, n, 4))
return NULL;
- inst = new_instruction(prog, OPCODE_MOV);
+ inst = new_instruction(emitInfo, OPCODE_MOV);
inst->CondUpdate = GL_TRUE;
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
- _slang_free_temp(vt, n->Store);
+ _slang_free_temp(emitInfo->vt, n->Store);
inst->Comment = _mesa_strdup("COND expr");
return inst; /* XXX or null? */
}
* Logical-NOT
*/
static struct prog_instruction *
-emit_not(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_not(slang_emit_info *emitInfo, slang_ir_node *n)
{
GLfloat zero = 0.0;
slang_ir_storage st;
/* need zero constant */
st.File = PROGRAM_CONSTANT;
st.Size = 1;
- st.Index = _mesa_add_unnamed_constant(prog->Parameters, &zero,
+ st.Index = _mesa_add_unnamed_constant(emitInfo->prog->Parameters, &zero,
1, &st.Swizzle);
/* child expr */
- (void) emit(vt, n->Children[0], prog);
+ (void) emit(emitInfo, n->Children[0]);
/* XXXX if child instr is SGT convert to SLE, if SEQ, SNE, etc */
if (!n->Store)
- if (!alloc_temp_storage(vt, n, n->Children[0]->Store->Size))
+ if (!alloc_temp_storage(emitInfo, n, n->Children[0]->Store->Size))
return NULL;
- inst = new_instruction(prog, OPCODE_SEQ);
+ inst = new_instruction(emitInfo, OPCODE_SEQ);
storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask);
storage_to_src_reg(&inst->SrcReg[0], n->Children[0]->Store);
storage_to_src_reg(&inst->SrcReg[1], &st);
- free_temp_storage(vt, n->Children[0]);
+ free_temp_storage(emitInfo->vt, n->Children[0]);
inst->Comment = _mesa_strdup("NOT");
return inst;
static struct prog_instruction *
-emit_if(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_if(slang_emit_info *emitInfo, slang_ir_node *n)
{
+ struct gl_program *prog = emitInfo->prog;
struct prog_instruction *ifInst;
- GLuint ifInstLoc, elseInstLoc;
+ GLuint ifInstLoc, elseInstLoc = 0;
- emit(vt, n->Children[0], prog); /* the condition */
+ emit(emitInfo, n->Children[0]); /* the condition */
ifInstLoc = prog->NumInstructions;
if (EmitHighLevelInstructions) {
- ifInst = new_instruction(prog, OPCODE_IF);
+ ifInst = new_instruction(emitInfo, OPCODE_IF);
ifInst->DstReg.CondMask = COND_NE; /* if cond is non-zero */
ifInst->DstReg.CondSwizzle = SWIZZLE_X;
}
else {
/* conditional jump to else, or endif */
- ifInst = new_instruction(prog, OPCODE_BRA);
+ ifInst = new_instruction(emitInfo, OPCODE_BRA);
ifInst->DstReg.CondMask = COND_EQ; /* BRA if cond is zero */
ifInst->DstReg.CondSwizzle = SWIZZLE_X;
ifInst->Comment = _mesa_strdup("if zero");
}
/* if body */
- emit(vt, n->Children[1], prog);
+ emit(emitInfo, n->Children[1]);
if (n->Children[2]) {
/* have else body */
elseInstLoc = prog->NumInstructions;
if (EmitHighLevelInstructions) {
- (void) new_instruction(prog, OPCODE_ELSE);
+ (void) new_instruction(emitInfo, OPCODE_ELSE);
}
else {
/* jump to endif instruction */
struct prog_instruction *inst;
- inst = new_instruction(prog, OPCODE_BRA);
+ inst = new_instruction(emitInfo, OPCODE_BRA);
inst->Comment = _mesa_strdup("else");
inst->DstReg.CondMask = COND_TR; /* always branch */
}
ifInst = prog->Instructions + ifInstLoc;
ifInst->BranchTarget = prog->NumInstructions;
- emit(vt, n->Children[2], prog);
+ emit(emitInfo, n->Children[2]);
}
else {
/* no else body */
}
if (EmitHighLevelInstructions) {
- (void) new_instruction(prog, OPCODE_ENDIF);
+ (void) new_instruction(emitInfo, OPCODE_ENDIF);
}
if (n->Children[2]) {
static struct prog_instruction *
-emit_loop(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_loop(slang_emit_info *emitInfo, slang_ir_node *n)
{
+ struct gl_program *prog = emitInfo->prog;
struct prog_instruction *beginInst, *endInst;
GLuint beginInstLoc, endInstLoc;
slang_ir_node *ir;
/* emit OPCODE_BGNLOOP */
beginInstLoc = prog->NumInstructions;
if (EmitHighLevelInstructions) {
- (void) new_instruction(prog, OPCODE_BGNLOOP);
+ (void) new_instruction(emitInfo, OPCODE_BGNLOOP);
}
/* body */
- emit(vt, n->Children[0], prog);
+ emit(emitInfo, n->Children[0]);
endInstLoc = prog->NumInstructions;
if (EmitHighLevelInstructions) {
/* emit OPCODE_ENDLOOP */
- endInst = new_instruction(prog, OPCODE_ENDLOOP);
+ endInst = new_instruction(emitInfo, OPCODE_ENDLOOP);
}
else {
/* emit unconditional BRA-nch */
- endInst = new_instruction(prog, OPCODE_BRA);
+ endInst = new_instruction(emitInfo, OPCODE_BRA);
endInst->DstReg.CondMask = COND_TR; /* always true */
}
/* end instruction's BranchTarget points to top of loop */
* Either OPCODE_CONT, OPCODE_BRK or OPCODE_BRA will be emitted.
*/
static struct prog_instruction *
-emit_cont_break(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_cont_break(slang_emit_info *emitInfo, slang_ir_node *n)
{
gl_inst_opcode opcode;
struct prog_instruction *inst;
- n->InstLocation = prog->NumInstructions;
+ n->InstLocation = emitInfo->prog->NumInstructions;
if (EmitHighLevelInstructions) {
opcode = (n->Opcode == IR_CONT) ? OPCODE_CONT : OPCODE_BRK;
}
else {
opcode = OPCODE_BRA;
}
- inst = new_instruction(prog, opcode);
+ inst = new_instruction(emitInfo, opcode);
inst->DstReg.CondMask = COND_TR; /* always true */
return inst;
}
* Either OPCODE_CONT, OPCODE_BRK or OPCODE_BRA will be emitted.
*/
static struct prog_instruction *
-emit_cont_break_if(slang_var_table *vt, slang_ir_node *n,
- struct gl_program *prog, GLboolean breakTrue)
+emit_cont_break_if(slang_emit_info *emitInfo, slang_ir_node *n,
+ GLboolean breakTrue)
{
gl_inst_opcode opcode;
struct prog_instruction *inst;
/* evaluate condition expr, setting cond codes */
- inst = emit(vt, n->Children[0], prog);
+ inst = emit(emitInfo, n->Children[0]);
assert(inst);
inst->CondUpdate = GL_TRUE;
- n->InstLocation = prog->NumInstructions;
+ n->InstLocation = emitInfo->prog->NumInstructions;
if (EmitHighLevelInstructions) {
if (n->Opcode == IR_CONT_IF_TRUE ||
n->Opcode == IR_CONT_IF_FALSE)
else {
opcode = OPCODE_BRA;
}
- inst = new_instruction(prog, opcode);
+ inst = new_instruction(emitInfo, opcode);
inst->DstReg.CondMask = breakTrue ? COND_NE : COND_EQ;
return inst;
}
static struct prog_instruction *
-emit_swizzle(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit_swizzle(slang_emit_info *emitInfo, slang_ir_node *n)
{
GLuint swizzle;
/* swizzled storage access */
- (void) emit(vt, n->Children[0], prog);
+ (void) emit(emitInfo, n->Children[0]);
/* "pull-up" the child's storage info, applying our swizzle info */
n->Store->File = n->Children[0]->Store->File;
* element represented by this node.
*/
static struct prog_instruction *
-emit_array_element(slang_var_table *vt, slang_ir_node *n,
- struct gl_program *prog)
+emit_array_element(slang_emit_info *emitInfo, slang_ir_node *n)
{
assert(n->Store);
assert(n->Store->File != PROGRAM_UNDEFINED);
assert(n->Store->Size > 0);
if (n->Store->File == PROGRAM_STATE_VAR) {
- n->Store->Index = _slang_alloc_statevar(n, prog->Parameters);
+ n->Store->Index = _slang_alloc_statevar(n, emitInfo->prog->Parameters);
return NULL;
}
* Resolve storage for accessing a structure field.
*/
static struct prog_instruction *
-emit_struct_field(slang_var_table *vt, slang_ir_node *n,
- struct gl_program *prog)
+emit_struct_field(slang_emit_info *emitInfo, slang_ir_node *n)
{
if (n->Store->File == PROGRAM_STATE_VAR) {
- n->Store->Index = _slang_alloc_statevar(n, prog->Parameters);
+ n->Store->Index = _slang_alloc_statevar(n, emitInfo->prog->Parameters);
return NULL;
}
else {
static struct prog_instruction *
-emit(slang_var_table *vt, slang_ir_node *n, struct gl_program *prog)
+emit(slang_emit_info *emitInfo, slang_ir_node *n)
{
struct prog_instruction *inst;
if (!n)
/* sequence of two sub-trees */
assert(n->Children[0]);
assert(n->Children[1]);
- emit(vt, n->Children[0], prog);
- inst = emit(vt, n->Children[1], prog);
+ emit(emitInfo, n->Children[0]);
+ inst = emit(emitInfo, n->Children[1]);
assert(!n->Store);
n->Store = n->Children[1]->Store;
return inst;
case IR_SCOPE:
/* new variable scope */
- _slang_push_var_table(vt);
- inst = emit(vt, n->Children[0], prog);
- _slang_pop_var_table(vt);
+ _slang_push_var_table(emitInfo->vt);
+ inst = emit(emitInfo, n->Children[0]);
+ _slang_pop_var_table(emitInfo->vt);
return inst;
case IR_VAR_DECL:
assert(n->Store->Index < 0);
if (!n->Var || n->Var->isTemp) {
/* a nameless/temporary variable, will be freed after first use */
- if (!_slang_alloc_temp(vt, n->Store))
+ if (!_slang_alloc_temp(emitInfo->vt, n->Store))
RETURN_ERROR("Ran out of registers, too many temporaries", 0);
}
else {
/* a regular variable */
- _slang_add_variable(vt, n->Var);
- if (!_slang_alloc_var(vt, n->Store))
+ _slang_add_variable(emitInfo->vt, n->Var);
+ if (!_slang_alloc_var(emitInfo->vt, n->Store))
RETURN_ERROR("Ran out of registers, too many variables", 0);
/*
printf("IR_VAR_DECL %s %d store %p\n",
_mesa_swizzle_string(n->Store->Swizzle, 0, GL_FALSE),
(char *) n->Var->a_name,
n->Store->Size);
- inst = new_instruction(prog, OPCODE_NOP);
+ inst = new_instruction(emitInfo, OPCODE_NOP);
inst->Comment = _mesa_strdup(s);
return inst;
}
if (n->Store->File == PROGRAM_STATE_VAR &&
n->Store->Index < 0) {
- n->Store->Index = _slang_alloc_statevar(n, prog->Parameters);
+ n->Store->Index = _slang_alloc_statevar(n, emitInfo->prog->Parameters);
}
if (n->Store->Index < 0) {
break;
case IR_ELEMENT:
- return emit_array_element(vt, n, prog);
+ return emit_array_element(emitInfo, n);
case IR_FIELD:
- return emit_struct_field(vt, n, prog);
+ return emit_struct_field(emitInfo, n);
case IR_SWIZZLE:
- return emit_swizzle(vt, n, prog);
+ return emit_swizzle(emitInfo, n);
case IR_I_TO_F:
{
case IR_EXP2:
/* trinary operators */
case IR_LRP:
- return emit_arith(vt, n, prog);
+ return emit_arith(emitInfo, n);
case IR_CLAMP:
- return emit_clamp(vt, n, prog);
+ return emit_clamp(emitInfo, n);
case IR_TEX:
case IR_TEXB:
case IR_TEXP:
- return emit_tex(vt, n, prog);
+ return emit_tex(emitInfo, n);
case IR_NEG:
- return emit_negation(vt, n, prog);
+ return emit_negation(emitInfo, n);
case IR_FLOAT:
/* find storage location for this float constant */
- n->Store->Index = _mesa_add_unnamed_constant(prog->Parameters, n->Value,
+ n->Store->Index = _mesa_add_unnamed_constant(emitInfo->prog->Parameters, n->Value,
n->Store->Size,
&n->Store->Swizzle);
if (n->Store->Index < 0) {
return NULL;
case IR_MOVE:
- return emit_move(vt, n, prog);
+ return emit_move(emitInfo, n);
case IR_COND:
- return emit_cond(vt, n, prog);
+ return emit_cond(emitInfo, n);
case IR_NOT:
- return emit_not(vt, n, prog);
+ return emit_not(emitInfo, n);
case IR_LABEL:
- return emit_label(n, prog);
+ return emit_label(emitInfo, n);
case IR_JUMP:
- return emit_jump(n, prog);
+ return emit_jump(emitInfo, n);
case IR_CJUMP0:
- return emit_cjump(n, prog, 0);
+ return emit_cjump(emitInfo, n, 0);
case IR_CJUMP1:
- return emit_cjump(n, prog, 1);
+ return emit_cjump(emitInfo, n, 1);
case IR_KILL:
- return emit_kill(prog);
+ return emit_kill(emitInfo);
case IR_IF:
- return emit_if(vt, n, prog);
+ return emit_if(emitInfo, n);
case IR_LOOP:
- return emit_loop(vt, n, prog);
+ return emit_loop(emitInfo, n);
case IR_BREAK_IF_FALSE:
case IR_CONT_IF_FALSE:
- return emit_cont_break_if(vt, n, prog, GL_FALSE);
+ return emit_cont_break_if(emitInfo, n, GL_FALSE);
case IR_BREAK_IF_TRUE:
case IR_CONT_IF_TRUE:
- return emit_cont_break_if(vt, n, prog, GL_TRUE);
+ return emit_cont_break_if(emitInfo, n, GL_TRUE);
case IR_BREAK:
/* fall-through */
case IR_CONT:
- return emit_cont_break(vt, n, prog);
+ return emit_cont_break(emitInfo, n);
case IR_BEGIN_SUB:
- return new_instruction(prog, OPCODE_BGNSUB);
+ return new_instruction(emitInfo, OPCODE_BGNSUB);
case IR_END_SUB:
- return new_instruction(prog, OPCODE_ENDSUB);
+ return new_instruction(emitInfo, OPCODE_ENDSUB);
case IR_RETURN:
- return new_instruction(prog, OPCODE_RET);
+ return new_instruction(emitInfo, OPCODE_RET);
case IR_NOP:
return NULL;
GLboolean
_slang_emit_code(slang_ir_node *n, slang_var_table *vt,
- struct gl_program *prog, GLboolean withEnd)
+ struct gl_program *prog, GLboolean withEnd,
+ slang_info_log *log)
{
GLboolean success;
+ slang_emit_info emitInfo;
+
+ emitInfo.log = log;
+ emitInfo.vt = vt;
+ emitInfo.prog = prog;
- (void) emit(vt, n, prog);
+ (void) emit(&emitInfo, n);
/* finish up by adding the END opcode to program */
if (withEnd) {
struct prog_instruction *inst;
- inst = new_instruction(prog, OPCODE_END);
+ inst = new_instruction(&emitInfo, OPCODE_END);
}
success = GL_TRUE;
projects / mesa.git / commitdiff