r600g: make sure LIT splits constants

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 2197a16..be60232 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -861,7 +861,6 @@ static int tgsi_trig(struct r600_shader_ctx *ctx)
                memset(&alu, 0, sizeof(struct r600_bc_alu));
                alu.src[0].sel = ctx->temp_reg;
                alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV;
-               alu.dst.chan = i;
                r = tgsi_dst(ctx, &inst->Dst[0], i, &alu.dst);
                if (r)
                        return r;
@@ -965,8 +964,13 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
 {
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
        struct r600_bc_alu alu;
+       struct r600_bc_alu_src r600_src[3];
        int r;
 
+       r = tgsi_split_constant(ctx, r600_src);
+       if (r)
+               return r;
+
        /* dst.x, <- 1.0  */
        memset(&alu, 0, sizeof(struct r600_bc_alu));
        alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV;
@@ -983,9 +987,7 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
        /* dst.y = max(src.x, 0.0) */
        memset(&alu, 0, sizeof(struct r600_bc_alu));
        alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MAX;
-       r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]);
-       if (r)
-               return r;
+       alu.src[0] = r600_src[0];
        alu.src[1].sel  = V_SQ_ALU_SRC_0; /*0.0*/
        alu.src[1].chan = 0;
        r = tgsi_dst(ctx, &inst->Dst[0], 1, &alu.dst);
@@ -1030,10 +1032,8 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
                /* dst.z = log(src.y) */
                memset(&alu, 0, sizeof(struct r600_bc_alu));
                alu.inst = V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_LOG_CLAMPED;
-               r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]);
-               if (r)
-                       return r;
-               alu.src[0].chan = tgsi_chan(&inst->Src[0], 3);
+               alu.src[0] = r600_src[0];
+               alu.src[0].chan = tgsi_chan(&inst->Src[0], 1);
                r = tgsi_dst(ctx, &inst->Dst[0], 2, &alu.dst);
                if (r)
                        return r;
@@ -1052,15 +1052,12 @@ static int tgsi_lit(struct r600_shader_ctx *ctx)
                /* tmp.x = amd MUL_LIT(src.w, dst.z, src.x ) */
                memset(&alu, 0, sizeof(struct r600_bc_alu));
                alu.inst = V_SQ_ALU_WORD1_OP3_SQ_OP3_INST_MUL_LIT;
-               r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]);
-               if (r)
-                       return r;
+               alu.src[0] = r600_src[0];
                alu.src[0].chan = tgsi_chan(&inst->Src[0], 3);
                alu.src[1].sel  = sel;
                alu.src[1].chan = chan;
-               r = tgsi_src(ctx, &inst->Src[0], &alu.src[2]);
-               if (r)
-                       return r;
+
+               alu.src[2] = r600_src[0];
                alu.src[2].chan = tgsi_chan(&inst->Src[0], 0);
                alu.dst.sel = ctx->temp_reg;
                alu.dst.chan = 0;