diff options
Diffstat (limited to 'src/mesa/shader/slang')
| -rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 56 | ||||
| -rw-r--r-- | src/mesa/shader/slang/slang_compile.c | 2 | ||||
| -rw-r--r-- | src/mesa/shader/slang/slang_emit.c | 30 | ||||
| -rw-r--r-- | src/mesa/shader/slang/slang_ir.c | 4 | ||||
| -rw-r--r-- | src/mesa/shader/slang/slang_ir.h | 2 |
5 files changed, 54 insertions, 40 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 94cb6b38a46..8b2bdd74b59 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 7.0.1 + * Version: 7.1 * * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. * @@ -37,13 +37,13 @@ -#include "imports.h" -#include "macros.h" -#include "mtypes.h" -#include "program.h" -#include "prog_instruction.h" -#include "prog_parameter.h" -#include "prog_statevars.h" +#include "main/imports.h" +#include "main/macros.h" +#include "main/mtypes.h" +#include "shader/program.h" +#include "shader/prog_instruction.h" +#include "shader/prog_parameter.h" +#include "shader/prog_statevars.h" #include "slang_typeinfo.h" #include "slang_codegen.h" #include "slang_compile.h" @@ -536,7 +536,7 @@ new_not(slang_ir_node *n) static slang_ir_node * new_inlined_function_call(slang_ir_node *code, slang_label *name) { - slang_ir_node *n = new_node1(IR_FUNC, code); + slang_ir_node *n = new_node1(IR_CALL, code); assert(name); if (n) n->Label = name; @@ -1202,17 +1202,29 @@ _slang_gen_function_call(slang_assemble_ctx *A, slang_function *fun, /* non-assembly function */ inlined = slang_inline_function_call(A, fun, oper, dest); if (inlined && _slang_find_node_type(inlined, SLANG_OPER_RETURN)) { - /* This inlined function has one or more 'return' statements. + slang_operation *callOper; + /* The function we're calling has one or more 'return' statements. * So, we can't truly inline this function because we need to * implement 'return' with RET (and CAL). + * Nevertheless, we performed "inlining" to make a new instance + * of the function body to deal with static register allocation. + * * XXX check if there's one 'return' and if it's the very last * statement in the function - we can optimize that case. */ assert(inlined->type == SLANG_OPER_BLOCK_NEW_SCOPE || inlined->type == SLANG_OPER_SEQUENCE); - inlined->type = SLANG_OPER_INLINED_CALL; - inlined->fun = fun; - inlined->label = _slang_label_new_unique((char*) fun->header.a_name); + if (_slang_function_has_return_value(fun) && !dest) { + assert(inlined->children[0].type == SLANG_OPER_VARIABLE_DECL); + assert(inlined->children[2].type == SLANG_OPER_IDENTIFIER); + callOper = &inlined->children[1]; + } + else { + callOper = inlined; + } + callOper->type = SLANG_OPER_INLINED_CALL; + callOper->fun = fun; + callOper->label = _slang_label_new_unique((char*) fun->header.a_name); } } @@ -1949,8 +1961,7 @@ static slang_ir_node * _slang_gen_return(slang_assemble_ctx * A, slang_operation *oper) { const GLboolean haveReturnValue - = (oper->num_children == 1 && - oper->children[0].type != SLANG_OPER_VOID); + = (oper->num_children == 1 && oper->children[0].type != SLANG_OPER_VOID); /* error checking */ assert(A->CurFunction); @@ -1960,7 +1971,7 @@ _slang_gen_return(slang_assemble_ctx * A, slang_operation *oper) return NULL; } else if (!haveReturnValue && - A->CurFunction->header.type.specifier.type != SLANG_SPEC_VOID) { + A->CurFunction->header.type.specifier.type != SLANG_SPEC_VOID) { slang_info_log_error(A->log, "return statement requires an expression"); return NULL; } @@ -2236,7 +2247,9 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper) } if (var->type.qualifier == SLANG_QUAL_CONST || var->type.qualifier == SLANG_QUAL_ATTRIBUTE || - var->type.qualifier == SLANG_QUAL_UNIFORM) { + var->type.qualifier == SLANG_QUAL_UNIFORM || + (var->type.qualifier == SLANG_QUAL_VARYING && + A->program->Target == GL_FRAGMENT_PROGRAM_ARB)) { slang_info_log_error(A->log, "illegal assignment to read-only variable '%s'", (char *) oper->children[0].a_id); @@ -2264,10 +2277,11 @@ _slang_gen_assignment(slang_assemble_ctx * A, slang_operation *oper) lhs = _slang_gen_operation(A, &oper->children[0]); if (lhs) { - if (lhs->Store->File != PROGRAM_OUTPUT && - lhs->Store->File != PROGRAM_TEMPORARY && - lhs->Store->File != PROGRAM_VARYING && - lhs->Store->File != PROGRAM_UNDEFINED) { + if (!(lhs->Store->File == PROGRAM_OUTPUT || + lhs->Store->File == PROGRAM_TEMPORARY || + (lhs->Store->File == PROGRAM_VARYING && + A->program->Target == GL_VERTEX_PROGRAM_ARB) || + lhs->Store->File == PROGRAM_UNDEFINED)) { slang_info_log_error(A->log, "illegal assignment to read-only l-value"); return NULL; diff --git a/src/mesa/shader/slang/slang_compile.c b/src/mesa/shader/slang/slang_compile.c index a4dd5b8b4ae..7b2d302f4bc 100644 --- a/src/mesa/shader/slang/slang_compile.c +++ b/src/mesa/shader/slang/slang_compile.c @@ -2135,7 +2135,7 @@ _slang_compile(GLcontext *ctx, struct gl_shader *shader) progTarget = GL_FRAGMENT_PROGRAM_ARB; shader->Programs = (struct gl_program **) malloc(sizeof(struct gl_program*)); - shader->Programs[0] = _mesa_new_program(ctx, progTarget, 1); + shader->Programs[0] = ctx->Driver.NewProgram(ctx, progTarget, 1); shader->NumPrograms = 1; shader->Programs[0]->Parameters = _mesa_new_parameter_list(); diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index 7804e192360..fe13f2865cd 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -36,13 +36,13 @@ ***/ -#include "imports.h" -#include "context.h" -#include "macros.h" -#include "program.h" -#include "prog_instruction.h" -#include "prog_parameter.h" -#include "prog_print.h" +#include "main/imports.h" +#include "main/context.h" +#include "main/macros.h" +#include "shader/program.h" +#include "shader/prog_instruction.h" +#include "shader/prog_parameter.h" +#include "shader/prog_print.h" #include "slang_builtin.h" #include "slang_emit.h" #include "slang_mem.h" @@ -780,16 +780,18 @@ emit_label(slang_emit_info *emitInfo, const slang_ir_node *n) /** - * Emit code for an inlined function call (subroutine). + * Emit code for a function call. + * Note that for each time a function is called, we emit the function's + * body code again because the set of available registers may be different. */ static struct prog_instruction * -emit_func(slang_emit_info *emitInfo, slang_ir_node *n) +emit_fcall(slang_emit_info *emitInfo, slang_ir_node *n) { struct gl_program *progSave; struct prog_instruction *inst; GLuint subroutineId; - assert(n->Opcode == IR_FUNC); + assert(n->Opcode == IR_CALL); assert(n->Label); /* save/push cur program */ @@ -1687,10 +1689,10 @@ emit(slang_emit_info *emitInfo, slang_ir_node *n) case IR_KILL: return emit_kill(emitInfo); - case IR_FUNC: - /* new variable scope for subroutines/function calls*/ + case IR_CALL: + /* new variable scope for subroutines/function calls */ _slang_push_var_table(emitInfo->vt); - inst = emit_func(emitInfo, n); + inst = emit_fcall(emitInfo, n); _slang_pop_var_table(emitInfo->vt); return inst; @@ -1782,7 +1784,7 @@ _slang_resolve_subroutines(slang_emit_info *emitInfo) emitInfo->NumSubroutines = 0; /* Examine CAL instructions. - * At this point, the BranchTarget field of the CAL instructions is + * At this point, the BranchTarget field of the CAL instruction is * the number/id of the subroutine to call (an index into the * emitInfo->Subroutines list). * Translate that into an actual instruction location now. diff --git a/src/mesa/shader/slang/slang_ir.c b/src/mesa/shader/slang/slang_ir.c index a6903cc8b62..92e8d0345ee 100644 --- a/src/mesa/shader/slang/slang_ir.c +++ b/src/mesa/shader/slang/slang_ir.c @@ -27,7 +27,7 @@ #include "context.h" #include "slang_ir.h" #include "slang_mem.h" -#include "prog_print.h" +#include "shader/prog_print.h" static const slang_ir_info IrInfo[] = { @@ -311,7 +311,7 @@ _slang_print_ir_tree(const slang_ir_node *n, int indent) printf("RETURN\n"); break; case IR_CALL: - printf("CALL\n"); + printf("CALL %s\n", n->Label->Name); break; case IR_LOOP: diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h index 69db4b5451e..c7c0ddbf9a6 100644 --- a/src/mesa/shader/slang/slang_ir.h +++ b/src/mesa/shader/slang/slang_ir.h @@ -62,8 +62,6 @@ typedef enum IR_RETURN, /* return from subroutine */ IR_CALL, /* call subroutine */ - IR_FUNC, /* inlined function code */ - IR_LOOP, /* high-level loop-begin / loop-end */ /* Children[0] = loop body */ /* Children[1] = loop tail code, or NULL */ |