mesa git update 2 Sep 2014

mesa             commit 5a4e0f3873657d874eb5ff52819f42ea38d54b91

2 files changed, 11 insertions, 50 deletions

diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index e5844c3c4..49e4a7a40 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -311,7 +311,6 @@ public:
 			  int mul_operand);
    bool try_emit_mad_for_and_not(ir_expression *ir,
 				 int mul_operand);
-   bool try_emit_sat(ir_expression *ir);
 
    void emit_swz(ir_expression *ir);
 
@@ -866,50 +865,6 @@ ir_to_mesa_visitor::try_emit_mad_for_and_not(ir_expression *ir, int try_operand)
    return true;
 }
 
-bool
-ir_to_mesa_visitor::try_emit_sat(ir_expression *ir)
-{
-   /* Saturates were only introduced to vertex programs in
-    * NV_vertex_program3, so don't give them to drivers in the VP.
-    */
-   if (this->prog->Target == GL_VERTEX_PROGRAM_ARB)
-      return false;
-
-   ir_rvalue *sat_src = ir->as_rvalue_to_saturate();
-   if (!sat_src)
-      return false;
-
-   sat_src->accept(this);
-   src_reg src = this->result;
-
-   /* If we generated an expression instruction into a temporary in
-    * processing the saturate's operand, apply the saturate to that
-    * instruction.  Otherwise, generate a MOV to do the saturate.
-    *
-    * Note that we have to be careful to only do this optimization if
-    * the instruction in question was what generated src->result.  For
-    * example, ir_dereference_array might generate a MUL instruction
-    * to create the reladdr, and return us a src reg using that
-    * reladdr.  That MUL result is not the value we're trying to
-    * saturate.
-    */
-   ir_expression *sat_src_expr = sat_src->as_expression();
-   ir_to_mesa_instruction *new_inst;
-   new_inst = (ir_to_mesa_instruction *)this->instructions.get_tail();
-   if (sat_src_expr && (sat_src_expr->operation == ir_binop_mul ||
-			sat_src_expr->operation == ir_binop_add ||
-			sat_src_expr->operation == ir_binop_dot)) {
-      new_inst->saturate = true;
-   } else {
-      this->result = get_temp(ir->type);
-      ir_to_mesa_instruction *inst;
-      inst = emit(ir, OPCODE_MOV, dst_reg(this->result), src);
-      inst->saturate = true;
-   }
-
-   return true;
-}
-
 void
 ir_to_mesa_visitor::reladdr_to_temp(ir_instruction *ir,
 				    src_reg *reg, int *num_reladdr)
@@ -1072,9 +1027,6 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
 	 return;
    }
 
-   if (try_emit_sat(ir))
-      return;
-
    if (ir->operation == ir_quadop_vector) {
       this->emit_swz(ir);
       return;
@@ -1171,6 +1123,12 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
       emit(ir, OPCODE_DDY, result_dst, op[0]);
       break;
 
+   case ir_unop_saturate: {
+      ir_to_mesa_instruction *inst = emit(ir, OPCODE_MOV,
+                                          result_dst, op[0]);
+      inst->saturate = true;
+      break;
+   }
    case ir_unop_noise: {
       const enum prog_opcode opcode =
 	 prog_opcode(OPCODE_NOISE1
@@ -2990,9 +2948,12 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 
 	 /* Lowering */
 	 do_mat_op_to_vec(ir);
+	 GLenum target = _mesa_shader_stage_to_program(prog->_LinkedShaders[i]->Stage);
 	 lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2
 				 | LOG_TO_LOG2 | INT_DIV_TO_MUL_RCP
-				 | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)));
+				 | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)
+				 | ((target == GL_VERTEX_PROGRAM_ARB) ? SAT_TO_CLAMP
+                                    : 0)));
 
 	 progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
 
diff --git a/mesalib/src/mesa/program/prog_cache.c b/mesalib/src/mesa/program/prog_cache.c
index 07192a96a..34609f056 100644
--- a/mesalib/src/mesa/program/prog_cache.c
+++ b/mesalib/src/mesa/program/prog_cache.c
@@ -143,7 +143,7 @@ _mesa_new_program_cache(void)
    if (cache) {
       cache->size = 17;
       cache->items =
-         calloc(1, cache->size * sizeof(struct cache_item));
+         calloc(cache->size, sizeof(struct cache_item *));
       if (!cache->items) {
          free(cache);
          return NULL;