From: Zou Nan hai <nanhai.zou@intel.com>
Date: Thu, 27 Sep 2007 08:17:24 +0000 (+0800)
Subject:  handle INT op, still require high level handle of integer to be correct
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b1e549d1762536ebb3f7c11461c4554d4613c37a;p=mesa.git

 handle INT op, still require high level handle of integer to be correct
---

diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index f03866d9b93..4bce150491c 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -12,6 +12,7 @@ GLboolean brw_wm_is_glsl(struct gl_fragment_program *fp)
 	struct prog_instruction *inst = &fp->Base.Instructions[i];
 	switch (inst->Opcode) {
 	    case OPCODE_IF:
+	    case OPCODE_INT:
 	    case OPCODE_ENDIF:
 	    case OPCODE_CAL:
 	    case OPCODE_BRK:
@@ -170,6 +171,24 @@ static void emit_abs( struct brw_wm_compile *c,
     brw_set_saturate(p, 0);
 }
 
+static void emit_mov_int( struct brw_wm_compile *c,
+		struct prog_instruction *inst)
+{
+    int i;
+    struct brw_compile *p = &c->func;
+    GLuint mask = inst->DstReg.WriteMask;
+    brw_set_saturate(p, inst->SaturateMode != SATURATE_OFF);
+    for (i = 0; i < 4; i++) {
+	if (mask & (1<<i)) {
+	    struct brw_reg src, dst;
+	    dst = retype(get_dst_reg(c, inst, i, 1), BRW_REGISTER_TYPE_D);
+	    src = retype(get_src_reg(c, &inst->SrcReg[0], i, 1), BRW_REGISTER_TYPE_D);
+	    brw_MOV(p, dst, src);
+	}
+    }
+    brw_set_saturate(p, 0);
+}
+
 static void emit_mov( struct brw_wm_compile *c,
 		struct prog_instruction *inst)
 {
@@ -1107,6 +1126,9 @@ static void brw_wm_emit_glsl(struct brw_wm_compile *c)
 	    case OPCODE_LRP:
 		emit_lrp(c, inst);
 		break;
+	    case OPCODE_INT:
+		emit_mov_int(c, inst);
+		break;
 	    case OPCODE_MOV:
 		emit_mov(c, inst);
 		break;