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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vs_emit.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vs_emit.c85
1 files changed, 60 insertions, 25 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_emit.c b/src/mesa/drivers/dri/i965/brw_vs_emit.c
index 1638ef8111..00efd3443d 100644
--- a/src/mesa/drivers/dri/i965/brw_vs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_vs_emit.c
@@ -147,7 +147,7 @@ static void brw_vs_alloc_regs( struct brw_vs_compile *c )
mrf = 4;
for (i = 0; i < VERT_RESULT_MAX; i++) {
- if (c->prog_data.outputs_written & (1 << i)) {
+ if (c->prog_data.outputs_written & BITFIELD64_BIT(i)) {
c->nr_outputs++;
assert(i < Elements(c->regs[PROGRAM_OUTPUT]));
if (i == VERT_RESULT_HPOS) {
@@ -331,63 +331,65 @@ static void unalias3( struct brw_vs_compile *c,
}
}
-static void emit_sop( struct brw_compile *p,
+static void emit_sop( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1,
GLuint cond)
{
+ struct brw_compile *p = &c->func;
+
brw_MOV(p, dst, brw_imm_f(0.0f));
brw_CMP(p, brw_null_reg(), cond, arg0, arg1);
brw_MOV(p, dst, brw_imm_f(1.0f));
brw_set_predicate_control_flag_value(p, 0xff);
}
-static void emit_seq( struct brw_compile *p,
+static void emit_seq( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
- emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_EQ);
+ emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_EQ);
}
-static void emit_sne( struct brw_compile *p,
+static void emit_sne( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
- emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_NEQ);
+ emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_NEQ);
}
-static void emit_slt( struct brw_compile *p,
+static void emit_slt( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
- emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_L);
+ emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_L);
}
-static void emit_sle( struct brw_compile *p,
+static void emit_sle( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
- emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_LE);
+ emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_LE);
}
-static void emit_sgt( struct brw_compile *p,
+static void emit_sgt( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
- emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_G);
+ emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_G);
}
-static void emit_sge( struct brw_compile *p,
+static void emit_sge( struct brw_vs_compile *c,
struct brw_reg dst,
struct brw_reg arg0,
struct brw_reg arg1 )
{
- emit_sop(p, dst, arg0, arg1, BRW_CONDITIONAL_GE);
+ emit_sop(c, dst, arg0, arg1, BRW_CONDITIONAL_GE);
}
static void emit_max( struct brw_compile *p,
@@ -912,6 +914,7 @@ get_src_reg( struct brw_vs_compile *c,
case PROGRAM_CONSTANT:
case PROGRAM_UNIFORM:
case PROGRAM_ENV_PARAM:
+ case PROGRAM_LOCAL_PARAM:
if (c->vp->use_const_buffer) {
return get_constant(c, inst, argIndex);
}
@@ -930,7 +933,6 @@ get_src_reg( struct brw_vs_compile *c,
/* this is a normal case since we loop over all three src args */
return brw_null_reg();
- case PROGRAM_LOCAL_PARAM:
case PROGRAM_WRITE_ONLY:
default:
assert(0);
@@ -1122,7 +1124,7 @@ static void emit_vertex_write( struct brw_vs_compile *c)
/* Update the header for point size, user clipping flags, and -ve rhw
* workaround.
*/
- if ((c->prog_data.outputs_written & (1<<VERT_RESULT_PSIZ)) ||
+ if ((c->prog_data.outputs_written & BITFIELD64_BIT(VERT_RESULT_PSIZ)) ||
c->key.nr_userclip || BRW_IS_965(p->brw))
{
struct brw_reg header1 = retype(get_tmp(c), BRW_REGISTER_TYPE_UD);
@@ -1132,7 +1134,7 @@ static void emit_vertex_write( struct brw_vs_compile *c)
brw_set_access_mode(p, BRW_ALIGN_16);
- if (c->prog_data.outputs_written & (1<<VERT_RESULT_PSIZ)) {
+ if (c->prog_data.outputs_written & BITFIELD64_BIT(VERT_RESULT_PSIZ)) {
struct brw_reg psiz = c->regs[PROGRAM_OUTPUT][VERT_RESULT_PSIZ];
brw_MUL(p, brw_writemask(header1, WRITEMASK_W), brw_swizzle1(psiz, 0), brw_imm_f(1<<11));
brw_AND(p, brw_writemask(header1, WRITEMASK_W), header1, brw_imm_ud(0x7ff<<8));
@@ -1222,7 +1224,7 @@ static void emit_vertex_write( struct brw_vs_compile *c)
*/
GLuint i, mrf = 0;
for (i = c->first_overflow_output; i < VERT_RESULT_MAX; i++) {
- if (c->prog_data.outputs_written & (1 << i)) {
+ if (c->prog_data.outputs_written & BITFIELD64_BIT(i)) {
/* move from GRF to MRF */
brw_MOV(p, brw_message_reg(4+mrf), c->regs[PROGRAM_OUTPUT][i]);
mrf++;
@@ -1269,6 +1271,38 @@ post_vs_emit( struct brw_vs_compile *c,
}
}
+static GLboolean
+accumulator_contains(struct brw_vs_compile *c, struct brw_reg val)
+{
+ struct brw_compile *p = &c->func;
+ struct brw_instruction *prev_insn = &p->store[p->nr_insn - 1];
+
+ if (p->nr_insn == 0)
+ return GL_FALSE;
+
+ if (val.address_mode != BRW_ADDRESS_DIRECT)
+ return GL_FALSE;
+
+ switch (prev_insn->header.opcode) {
+ case BRW_OPCODE_MOV:
+ case BRW_OPCODE_MAC:
+ case BRW_OPCODE_MUL:
+ if (prev_insn->header.access_mode == BRW_ALIGN_16 &&
+ prev_insn->header.execution_size == val.width &&
+ prev_insn->bits1.da1.dest_reg_file == val.file &&
+ prev_insn->bits1.da1.dest_reg_type == val.type &&
+ prev_insn->bits1.da1.dest_address_mode == val.address_mode &&
+ prev_insn->bits1.da1.dest_reg_nr == val.nr &&
+ prev_insn->bits1.da16.dest_subreg_nr == val.subnr / 16 &&
+ prev_insn->bits1.da16.dest_writemask == 0xf)
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+ default:
+ return GL_FALSE;
+ }
+}
+
static uint32_t
get_predicate(const struct prog_instruction *inst)
{
@@ -1447,7 +1481,8 @@ void brw_vs_emit(struct brw_vs_compile *c )
unalias3(c, dst, args[0], args[1], args[2], emit_lrp_noalias);
break;
case OPCODE_MAD:
- brw_MOV(p, brw_acc_reg(), args[2]);
+ if (!accumulator_contains(c, args[2]))
+ brw_MOV(p, brw_acc_reg(), args[2]);
brw_MAC(p, dst, args[0], args[1]);
break;
case OPCODE_MAX:
@@ -1473,25 +1508,25 @@ void brw_vs_emit(struct brw_vs_compile *c )
break;
case OPCODE_SEQ:
- emit_seq(p, dst, args[0], args[1]);
+ unalias2(c, dst, args[0], args[1], emit_seq);
break;
case OPCODE_SIN:
emit_math1(c, BRW_MATH_FUNCTION_SIN, dst, args[0], BRW_MATH_PRECISION_FULL);
break;
case OPCODE_SNE:
- emit_sne(p, dst, args[0], args[1]);
+ unalias2(c, dst, args[0], args[1], emit_sne);
break;
case OPCODE_SGE:
- emit_sge(p, dst, args[0], args[1]);
+ unalias2(c, dst, args[0], args[1], emit_sge);
break;
case OPCODE_SGT:
- emit_sgt(p, dst, args[0], args[1]);
+ unalias2(c, dst, args[0], args[1], emit_sgt);
break;
case OPCODE_SLT:
- emit_slt(p, dst, args[0], args[1]);
+ unalias2(c, dst, args[0], args[1], emit_slt);
break;
case OPCODE_SLE:
- emit_sle(p, dst, args[0], args[1]);
+ unalias2(c, dst, args[0], args[1], emit_sle);
break;
case OPCODE_SUB:
brw_ADD(p, dst, args[0], negate(args[1]));
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-20 09:29:21 +0000