diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_emit.c')
| -rw-r--r-- | src/mesa/shader/slang/slang_emit.c | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index 93256f8647..c997c11a7d 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 7.0.3 + * Version: 7.1 * - * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. + * Copyright (C) 2005-2008 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -110,13 +110,16 @@ writemask_to_swizzle(GLuint writemask) /** * Swizzle a swizzle. That is, return swz2(swz1) */ -static GLuint -swizzle_swizzle(GLuint swz1, GLuint swz2) +GLuint +_slang_swizzle_swizzle(GLuint swz1, GLuint swz2) { GLuint i, swz, s[4]; for (i = 0; i < 4; i++) { GLuint c = GET_SWZ(swz2, i); - s[i] = GET_SWZ(swz1, c); + if (c <= SWIZZLE_W) + s[i] = GET_SWZ(swz1, c); + else + s[i] = c; } swz = MAKE_SWIZZLE4(s[0], s[1], s[2], s[3]); return swz; @@ -466,6 +469,12 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) const slang_ir_info *info = _slang_ir_info(n->Opcode); char *srcAnnot[3], *dstAnnot; GLuint i; + slang_ir_node *temps[3]; + + /* we'll save pointers to nodes/storage to free in temps[] until + * the very end. + */ + temps[0] = temps[1] = temps[2] = NULL; assert(info); assert(info->InstOpcode != OPCODE_NOP); @@ -486,9 +495,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) 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(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]); + temps[0] = n->Children[0]->Children[0]; + temps[1] = n->Children[0]->Children[1]; + temps[2] = n->Children[1]; } else if (info->NumParams == 2 && n->Opcode == IR_ADD && n->Children[1]->Opcode == IR_MUL) { @@ -502,9 +511,9 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) 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(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]); + temps[0] = n->Children[1]->Children[0]; + temps[1] = n->Children[1]->Children[1]; + temps[2] = n->Children[0]; } else #endif @@ -529,17 +538,19 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) for (i = 0; i < info->NumParams; i++) srcAnnot[i] = storage_annotation(n->Children[i], emitInfo->prog); - /* free temps */ + /* record (potential) temps to free */ for (i = 0; i < info->NumParams; i++) - free_temp_storage(emitInfo->vt, n->Children[i]); + temps[i] = n->Children[i]; } /* result storage */ if (!n->Store) { - /* XXX this size isn't correct, it depends on the operands */ - if (!alloc_temp_storage(emitInfo, n, info->ResultSize)) + GLint size = n->Children[0]->Store + ? n->Children[0]->Store->Size : info->ResultSize; + if (!alloc_temp_storage(emitInfo, n, size)) return NULL; } + storage_to_dst_reg(&inst->DstReg, n->Store, n->Writemask); dstAnnot = storage_annotation(n, emitInfo->prog); @@ -547,6 +558,11 @@ emit_arith(slang_emit_info *emitInfo, slang_ir_node *n) inst->Comment = instruction_annotation(inst->Opcode, dstAnnot, srcAnnot[0], srcAnnot[1], srcAnnot[2]); + /* really free temps now */ + for (i = 0; i < 3; i++) + if (temps[i]) + free_temp_storage(emitInfo->vt, temps[i]); + /*_mesa_print_instruction(inst);*/ return inst; } @@ -1459,8 +1475,8 @@ emit_swizzle(slang_emit_info *emitInfo, slang_ir_node *n) /* apply this swizzle to child's swizzle to get composed swizzle */ swizzle = fix_swizzle(n->Store->Swizzle); /* remove the don't care terms */ - n->Store->Swizzle = swizzle_swizzle(n->Children[0]->Store->Swizzle, - swizzle); + n->Store->Swizzle = _slang_swizzle_swizzle(n->Children[0]->Store->Swizzle, + swizzle); return inst; } @@ -1654,6 +1670,9 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n) case IR_COS: case IR_DDX: case IR_DDY: + case IR_EXP: + case IR_EXP2: + case IR_LOG2: case IR_NOISE1: case IR_NOISE2: case IR_NOISE3: @@ -1674,8 +1693,6 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n) case IR_SLE: case IR_SLT: case IR_POW: - case IR_EXP: - case IR_EXP2: /* trinary operators */ case IR_LRP: return emit_arith(emitInfo, n); |