r600g: add evergreen ARL support.

Thanks to Alex Deucher for pointing out the FLT to int conversion is necessary
and writing an initial patch, this brings about 20 piglits, and I think this
is the last piece to make evergreen and r600 equal in terms of features.

diff --git a/src/gallium/drivers/r600/r600_opcodes.h b/src/gallium/drivers/r600/r600_opcodes.h
index 0cf9c1c..4f9b39a 100644 (file)
--- a/src/gallium/drivers/r600/r600_opcodes.h
+++ b/src/gallium/drivers/r600/r600_opcodes.h
@@ -233,12 +233,6 @@
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_CEIL                      0x00000012
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RNDNE                     0x00000013
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLOOR                     0x00000014
-/* same up to here */
-/*
-#define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA                      0x00000015
-#define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_FLOOR                0x00000016
-#define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT                  0x00000018
-*/
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_ASHR_INT                  0x00000015
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_LSHR_INT                  0x00000016
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_LSHL_INT                  0x00000017
@@ -336,9 +330,11 @@
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIPSQRT_CLAMPED_64      0x00000098
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SQRT_64                   0x00000099
 /* TODO Fill in more ALU */
+#define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLT_TO_INT_FLOOR          0x000000B1
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_DOT4                      0x000000BE
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_DOT4_IEEE                 0x000000BF
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_CUBE                      0x000000C0
+#define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT                  0x000000CC
 
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INTERP_XY                      0x000000D6
 #define     EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INTERP_ZW                      0x000000D7

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index 94c9cbd..d114398 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -2610,7 +2610,40 @@ static int tgsi_log(struct r600_shader_ctx *ctx)
 }
 
 /* r6/7 only for now */
-static int tgsi_arl(struct r600_shader_ctx *ctx)
+static int tgsi_eg_arl(struct r600_shader_ctx *ctx)
+{
+       struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
+       struct r600_bc_alu alu;
+       int r;
+       
+       memset(&alu, 0, sizeof(struct r600_bc_alu));
+
+       alu.inst = EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLT_TO_INT_FLOOR;
+       r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]);
+       if (r)
+               return r;
+       alu.src[0].chan = tgsi_chan(&inst->Src[0], 0);
+       alu.last = 1;
+       alu.dst.chan = 0;
+       alu.dst.sel = ctx->temp_reg;
+       alu.dst.write = 1;
+       r = r600_bc_add_alu_type(ctx->bc, &alu, CTX_INST(V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU));
+       if (r)
+               return r;
+       memset(&alu, 0, sizeof(struct r600_bc_alu));
+       alu.inst = EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOVA_INT;
+       r = tgsi_src(ctx, &inst->Src[0], &alu.src[0]);
+       if (r)
+               return r;
+       alu.src[0].sel = ctx->temp_reg;
+       alu.src[0].chan = 0;
+       alu.last = 1;
+       r = r600_bc_add_alu_type(ctx->bc, &alu, CTX_INST(V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU));
+       if (r)
+               return r;
+       return 0;
+}
+static int tgsi_r600_arl(struct r600_shader_ctx *ctx)
 {
        /* TODO from r600c, ar values don't persist between clauses */
        struct tgsi_full_instruction *inst = &ctx->parse.FullToken.FullInstruction;
@@ -2955,7 +2988,7 @@ static int tgsi_loop_brk_cont(struct r600_shader_ctx *ctx)
 }
 
 static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
-       {TGSI_OPCODE_ARL,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_arl},
+       {TGSI_OPCODE_ARL,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_r600_arl},
        {TGSI_OPCODE_MOV,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV, tgsi_op2},
        {TGSI_OPCODE_LIT,       0, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_lit},
 
@@ -3119,7 +3152,7 @@ static struct r600_shader_tgsi_instruction r600_shader_tgsi_instruction[] = {
 };
 
 static struct r600_shader_tgsi_instruction eg_shader_tgsi_instruction[] = {
-       {TGSI_OPCODE_ARL,       0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_unsupported},
+       {TGSI_OPCODE_ARL,       0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_eg_arl},
        {TGSI_OPCODE_MOV,       0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV, tgsi_op2},
        {TGSI_OPCODE_LIT,       0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_NOP, tgsi_lit},
        {TGSI_OPCODE_RCP,       0, EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_RECIP_IEEE, tgsi_trans_srcx_replicate},