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-rw-r--r--src/mesa/drivers/dri/r300/r300_vertexprog.c195
1 files changed, 133 insertions, 62 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_vertexprog.c b/src/mesa/drivers/dri/r300/r300_vertexprog.c
index 24556f9408..40be190d71 100644
--- a/src/mesa/drivers/dri/r300/r300_vertexprog.c
+++ b/src/mesa/drivers/dri/r300/r300_vertexprog.c
@@ -436,7 +436,15 @@ static unsigned long op_operands(enum vp_opcode opcode)
exit(-1);
return 0;
}
-
+
+/* TODO: Get rid of t_src_class call */
+#define CMP_SRCS(a, b) (a.Index != b.Index && \
+ ((t_src_class(a.File) == VSF_IN_CLASS_PARAM && \
+ t_src_class(b.File) == VSF_IN_CLASS_PARAM) || \
+ (t_src_class(a.File) == VSF_IN_CLASS_ATTR && \
+ t_src_class(b.File) == VSF_IN_CLASS_ATTR))) \
+
+#define SRCS_WRITABLE 1
static void translate_program(struct r300_vertex_program *vp)
{
struct vertex_program *mesa_vp=(void *)vp;
@@ -445,8 +453,12 @@ static void translate_program(struct r300_vertex_program *vp)
VERTEX_SHADER_INSTRUCTION t2rs[1024];
VERTEX_SHADER_INSTRUCTION *o_inst;
unsigned long operands;
- int u_temp_i=63; /* Initial value should be last tmp reg that we can use */
-
+ int u_temp_i=63; /* Initial value should be last tmp reg that hw supports */
+#ifdef SRCS_WRITABLE
+ struct vp_src_register src[3];
+#else
+#define src vpi->SrcReg
+#endif
vp->t2rs=0;
vp->program.length=0;
vp->num_temporaries=mesa_vp->Base.NumTemporaries;
@@ -459,74 +471,133 @@ static void translate_program(struct r300_vertex_program *vp)
operands=op_operands(vpi->Opcode);
+ for(i=0; i < operands; i++)
+ src[i]=vpi->SrcReg[i];
+
+ if(operands == 3){
+ if( CMP_SRCS(src[1], src[2]) || CMP_SRCS(src[0], src[2]) ){
+ o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, u_temp_i,
+ VSF_FLAG_ALL, VSF_OUT_CLASS_TMP);
+
+ o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &src[2]),
+ SWIZZLE_X, SWIZZLE_Y,
+ SWIZZLE_Z, SWIZZLE_W,
+ t_src_class(src[0].File), VSF_FLAG_NONE);
+
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[2]),
+ SWIZZLE_ZERO, SWIZZLE_ZERO,
+ SWIZZLE_ZERO, SWIZZLE_ZERO,
+ t_src_class(src[0].File), VSF_FLAG_NONE);
+ o_inst->src3=0;
+ o_inst++;
+
+ src[2].File=PROGRAM_TEMPORARY;
+ src[2].Index=u_temp_i;
+ u_temp_i--;
+ }
+
+ }
+ if(operands >= 2){
+ if( CMP_SRCS(src[1], src[0]) ){
+ o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, u_temp_i,
+ VSF_FLAG_ALL, VSF_OUT_CLASS_TMP);
+
+ o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
+ SWIZZLE_X, SWIZZLE_Y,
+ SWIZZLE_Z, SWIZZLE_W,
+ t_src_class(src[0].File), VSF_FLAG_NONE);
+
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
+ SWIZZLE_ZERO, SWIZZLE_ZERO,
+ SWIZZLE_ZERO, SWIZZLE_ZERO,
+ t_src_class(src[0].File), VSF_FLAG_NONE);
+ o_inst->src3=0;
+ o_inst++;
+
+ src[0].File=PROGRAM_TEMPORARY;
+ src[0].Index=u_temp_i;
+ u_temp_i--;
+ }
+ }
+
/* these ops need special handling.
Ops that need temp vars should probably be given reg indexes starting at the end of tmp area. */
switch(vpi->Opcode){
case VP_OPCODE_MOV://ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{} {ZERO ZERO ZERO ZERO}
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, vpi->DstReg.Index,
t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File));
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
- o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[0]),
+ o_inst->src1=t_src(vp, &src[0]);
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
SWIZZLE_ZERO, SWIZZLE_ZERO,
SWIZZLE_ZERO, SWIZZLE_ZERO,
- t_src_class(vpi->SrcReg[0].File), VSF_FLAG_NONE);
+ t_src_class(src[0].File), VSF_FLAG_NONE);
o_inst->src3=0;
goto next;
-
+
case VP_OPCODE_DP3://DOT RESULT 1.X Y Z W PARAM 0{} {X Y Z ZERO} PARAM 0{} {X Y Z ZERO}
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_DOT, vpi->DstReg.Index,
t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File));
- o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[0]),
- t_swizzle(vpi->SrcReg[0].Swizzle[0]),
- t_swizzle(vpi->SrcReg[0].Swizzle[1]),
- t_swizzle(vpi->SrcReg[0].Swizzle[2]),
+ o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
+ t_swizzle(src[0].Swizzle[0]),
+ t_swizzle(src[0].Swizzle[1]),
+ t_swizzle(src[0].Swizzle[2]),
SWIZZLE_ZERO,
- t_src_class(vpi->SrcReg[0].File),
- vpi->SrcReg[0].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
+ t_src_class(src[0].File),
+ src[0].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
- o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[1]),
- t_swizzle(vpi->SrcReg[1].Swizzle[0]),
- t_swizzle(vpi->SrcReg[1].Swizzle[1]),
- t_swizzle(vpi->SrcReg[1].Swizzle[2]),
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[1]),
+ t_swizzle(src[1].Swizzle[0]),
+ t_swizzle(src[1].Swizzle[1]),
+ t_swizzle(src[1].Swizzle[2]),
SWIZZLE_ZERO,
- t_src_class(vpi->SrcReg[1].File),
- vpi->SrcReg[1].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
+ t_src_class(src[1].File),
+ src[1].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
o_inst->src3=0;
goto next;
-
+
case VP_OPCODE_SUB://ADD RESULT 1.X Y Z W TMP 0{} {X Y Z W} PARAM 1{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W
+#ifdef SRCS_WRITABLE
+ vpi->Opcode=VP_OPCODE_ADD;
+ src[1].Negate=!src[1].Negate;
+ break;
+#else
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, vpi->DstReg.Index,
t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File));
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
- o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[1]),
- t_swizzle(vpi->SrcReg[1].Swizzle[0]),
- t_swizzle(vpi->SrcReg[1].Swizzle[1]),
- t_swizzle(vpi->SrcReg[1].Swizzle[2]),
- t_swizzle(vpi->SrcReg[1].Swizzle[3]),
- t_src_class(vpi->SrcReg[1].File),
- (!vpi->SrcReg[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE);
+ o_inst->src1=t_src(vp, &src[0]);
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[1]),
+ t_swizzle(src[1].Swizzle[0]),
+ t_swizzle(src[1].Swizzle[1]),
+ t_swizzle(src[1].Swizzle[2]),
+ t_swizzle(src[1].Swizzle[3]),
+ t_src_class(src[1].File),
+ (!src[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE);
o_inst->src3=0;
goto next;
-
+#endif
case VP_OPCODE_ABS://MAX RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W
+#ifdef SRCS_WRITABLE
+ vpi->Opcode=VP_OPCODE_MAX;
+ src[1]=src[0];
+ src[1].Negate=GL_TRUE;
+#else
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_MAX, vpi->DstReg.Index,
t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File));
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
- o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[0]),
- t_swizzle(vpi->SrcReg[0].Swizzle[0]),
- t_swizzle(vpi->SrcReg[0].Swizzle[1]),
- t_swizzle(vpi->SrcReg[0].Swizzle[2]),
- t_swizzle(vpi->SrcReg[0].Swizzle[3]),
- t_src_class(vpi->SrcReg[0].File),
+ o_inst->src1=t_src(vp, &src[0]);
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
+ t_swizzle(src[0].Swizzle[0]),
+ t_swizzle(src[0].Swizzle[1]),
+ t_swizzle(src[0].Swizzle[2]),
+ t_swizzle(src[0].Swizzle[3]),
+ t_src_class(src[0].File),
VSF_FLAG_ALL);
o_inst->src3=0;
goto next;
-
+#endif
case VP_OPCODE_FLR:
/* FRC TMP 0.X Y Z W PARAM 0{} {X Y Z W}
ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} TMP 0{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W */
@@ -534,7 +605,7 @@ static void translate_program(struct r300_vertex_program *vp)
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_FRC, u_temp_i,
t_dst_mask(vpi->DstReg.WriteMask), VSF_OUT_CLASS_TMP);
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
+ o_inst->src1=t_src(vp, &src[0]);
o_inst->src2=0;
o_inst->src3=0;
o_inst++;
@@ -542,7 +613,7 @@ static void translate_program(struct r300_vertex_program *vp)
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, vpi->DstReg.Index,
t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File));
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
+ o_inst->src1=t_src(vp, &src[0]);
o_inst->src2=MAKE_VSF_SOURCE(u_temp_i,
VSF_IN_COMPONENT_X,
VSF_IN_COMPONENT_Y,
@@ -550,7 +621,7 @@ static void translate_program(struct r300_vertex_program *vp)
VSF_IN_COMPONENT_W,
VSF_IN_CLASS_TMP,
/* Not 100% sure about this */
- (!vpi->SrcReg[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
+ (!src[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
o_inst->src3=0;
u_temp_i--;
@@ -560,14 +631,14 @@ static void translate_program(struct r300_vertex_program *vp)
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_DOT, vpi->DstReg.Index,
t_dst_mask(vpi->DstReg.WriteMask), t_dst_class(vpi->DstReg.File));
- o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[0]),
- t_swizzle(vpi->SrcReg[0].Swizzle[0]),
- t_swizzle(vpi->SrcReg[0].Swizzle[1]),
- t_swizzle(vpi->SrcReg[0].Swizzle[2]),
+ o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
+ t_swizzle(src[0].Swizzle[0]),
+ t_swizzle(src[0].Swizzle[1]),
+ t_swizzle(src[0].Swizzle[2]),
VSF_IN_COMPONENT_ONE,
- t_src_class(vpi->SrcReg[0].File),
- vpi->SrcReg[1].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
- o_inst->src2=t_src(vp, &vpi->SrcReg[1]);
+ t_src_class(src[0].File),
+ src[1].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE);
+ o_inst->src2=t_src(vp, &src[1]);
o_inst->src3=0;
goto next;
@@ -579,11 +650,11 @@ static void translate_program(struct r300_vertex_program *vp)
o_inst->op=MAKE_VSF_OP(R300_VPI_OUT_OP_ADD, u_temp_i,
t_dst_mask(vpi->DstReg.WriteMask), VSF_OUT_CLASS_TMP);
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
- o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &vpi->SrcReg[0]),
+ o_inst->src1=t_src(vp, &src[0]);
+ o_inst->src2=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]),
SWIZZLE_ZERO, SWIZZLE_ZERO,
SWIZZLE_ZERO, SWIZZLE_ZERO,
- t_src_class(vpi->SrcReg[0].File), VSF_FLAG_NONE);
+ t_src_class(src[0].File), VSF_FLAG_NONE);
o_inst->src3=0;
o_inst++;
u_temp_i--;
@@ -598,8 +669,8 @@ static void translate_program(struct r300_vertex_program *vp)
SWIZZLE_ZERO,
VSF_IN_CLASS_TMP,
/* Not 100% sure about this */
- (!vpi->SrcReg[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
- o_inst->src2=t_src(vp, &vpi->SrcReg[1]);
+ (!src[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
+ o_inst->src2=t_src(vp, &src[1]);
o_inst->src3=0;
u_temp_i--;
o_inst++;
@@ -614,7 +685,7 @@ static void translate_program(struct r300_vertex_program *vp)
SWIZZLE_ONE,
VSF_IN_CLASS_TMP,
/* Not 100% sure about this */
- vpi->SrcReg[1].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
+ src[1].Negate ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
o_inst->src2=MAKE_VSF_SOURCE(u_temp_i+1,
VSF_IN_COMPONENT_X,
@@ -623,10 +694,10 @@ static void translate_program(struct r300_vertex_program *vp)
VSF_IN_COMPONENT_W,
VSF_IN_CLASS_TMP,
/* Not 100% sure about this */
- (!vpi->SrcReg[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
+ (!src[1].Negate) ? VSF_FLAG_ALL : VSF_FLAG_NONE/*VSF_FLAG_ALL*/);
o_inst->src3=0;
goto next;
-
+
case VP_OPCODE_ARL:
case VP_OPCODE_SWZ:
case VP_OPCODE_RCC:
@@ -646,21 +717,21 @@ static void translate_program(struct r300_vertex_program *vp)
switch(operands){
case 1:
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
+ o_inst->src1=t_src(vp, &src[0]);
o_inst->src2=0;
o_inst->src3=0;
break;
case 2:
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
- o_inst->src2=t_src(vp, &vpi->SrcReg[1]);
+ o_inst->src1=t_src(vp, &src[0]);
+ o_inst->src2=t_src(vp, &src[1]);
o_inst->src3=0;
break;
case 3:
- o_inst->src1=t_src(vp, &vpi->SrcReg[0]);
- o_inst->src2=t_src(vp, &vpi->SrcReg[1]);
- o_inst->src3=t_src(vp, &vpi->SrcReg[2]);
+ o_inst->src1=t_src(vp, &src[0]);
+ o_inst->src2=t_src(vp, &src[1]);
+ o_inst->src3=t_src(vp, &src[2]);
break;
default:
@@ -673,7 +744,7 @@ static void translate_program(struct r300_vertex_program *vp)
/* If instruction writes to result and one of the inputs is tmp, we move it at the end of program */
if(vpi->DstReg.File == PROGRAM_OUTPUT){
for(operand_index=0; operand_index < operands; operand_index++)
- if(vpi->SrcReg[operand_index].File == PROGRAM_TEMPORARY){
+ if(src[operand_index].File == PROGRAM_TEMPORARY){
t2rs[vp->t2rs++]=*o_inst;
o_inst--; /* FIXME */
break;