nouveau: Add support for SV_WORK_DIM

Add support for SV_WORK_DIM for nvc0 and nve4.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>

8 files changed, 29 insertions, 12 deletions

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir.h b/src/gallium/drivers/nouveau/codegen/nv50_ir.h
index 94e54bb..41804b6 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir.h
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir.h
@@ -461,6 +461,7 @@ enum SVSemantic
    SV_BASEVERTEX,
    SV_BASEINSTANCE,
    SV_DRAWID,
+   SV_WORK_DIM,
    SV_UNDEFINED,
    SV_LAST
 };
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
index 41dc18f..c0816cb 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
@@ -408,6 +408,7 @@ static nv50_ir::SVSemantic translateSysVal(uint sysval)
    case TGSI_SEMANTIC_BASEVERTEX: return nv50_ir::SV_BASEVERTEX;
    case TGSI_SEMANTIC_BASEINSTANCE: return nv50_ir::SV_BASEINSTANCE;
    case TGSI_SEMANTIC_DRAWID:     return nv50_ir::SV_DRAWID;
+   case TGSI_SEMANTIC_WORK_DIM:   return nv50_ir::SV_WORK_DIM;
    default:
       assert(0);
       return nv50_ir::SV_CLOCK;
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
index 0558ae0..ce0f99c 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
@@ -2388,6 +2388,8 @@ NVC0LoweringPass::handleRDSV(Instruction *i)
          i->setSrc(0, bld.mkImm(sv == SV_GRIDID ? 0 : 1));
          return true;
       }
+      // Fallthrough
+   case SV_WORK_DIM:
       addr += prog->driver->prop.cp.gridInfoBase;
       bld.mkLoad(TYPE_U32, i->getDef(0),
                  bld.mkSymbol(FILE_MEMORY_CONST, prog->driver->io.auxCBSlot,
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp
index 932ec39..04ac288 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_target_nvc0.cpp
@@ -295,6 +295,7 @@ TargetNVC0::getSVAddress(DataFile shaderFile, const Symbol *sym) const
    case SV_NTID:           return kepler ? (0x00 + idx * 4) : ~0;
    case SV_NCTAID:         return kepler ? (0x0c + idx * 4) : ~0;
    case SV_GRIDID:         return kepler ? 0x18 : ~0;
+   case SV_WORK_DIM:       return 0x1c;
    case SV_SAMPLE_INDEX:   return 0;
    case SV_SAMPLE_POS:     return 0;
    case SV_SAMPLE_MASK:    return 0;
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_compute.c b/src/gallium/drivers/nouveau/nvc0/nvc0_compute.c
index 66cae19..10a4c83 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_compute.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_compute.c
@@ -380,7 +380,8 @@ nvc0_state_validate_cp(struct nvc0_context *nvc0, uint32_t mask)
 }
 
 static void
-nvc0_compute_upload_input(struct nvc0_context *nvc0, const void *input)
+nvc0_compute_upload_input(struct nvc0_context *nvc0,
+                          const struct pipe_grid_info *info)
 {
    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
    struct nvc0_screen *screen = nvc0->screen;
@@ -399,13 +400,23 @@ nvc0_compute_upload_input(struct nvc0_context *nvc0, const void *input)
       /* NOTE: size is limited to 4 KiB, which is < NV04_PFIFO_MAX_PACKET_LEN */
       BEGIN_1IC0(push, NVC0_CP(CB_POS), 1 + cp->parm_size / 4);
       PUSH_DATA (push, 0);
-      PUSH_DATAp(push, input, cp->parm_size / 4);
+      PUSH_DATAp(push, info->input, cp->parm_size / 4);
 
       nvc0_compute_invalidate_constbufs(nvc0);
-
-      BEGIN_NVC0(push, NVC0_CP(FLUSH), 1);
-      PUSH_DATA (push, NVC0_COMPUTE_FLUSH_CB);
    }
+
+   BEGIN_NVC0(push, NVC0_CP(CB_SIZE), 3);
+   PUSH_DATA (push, 2048);
+   PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_AUX_INFO(5));
+   PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_AUX_INFO(5));
+
+   BEGIN_1IC0(push, NVC0_CP(CB_POS), 1 + 1);
+   /* (7) as we only upload work_dim on nvc0, the rest uses special regs */
+   PUSH_DATA (push, NVC0_CB_AUX_GRID_INFO(7));
+   PUSH_DATA (push, info->work_dim);
+
+   BEGIN_NVC0(push, NVC0_CP(FLUSH), 1);
+   PUSH_DATA (push, NVC0_COMPUTE_FLUSH_CB);
 }
 
 void
@@ -422,7 +433,7 @@ nvc0_launch_grid(struct pipe_context *pipe, const struct pipe_grid_info *info)
       return;
    }
 
-   nvc0_compute_upload_input(nvc0, info->input);
+   nvc0_compute_upload_input(nvc0, info);
 
    BEGIN_NVC0(push, NVC0_CP(CP_START_ID), 1);
    PUSH_DATA (push, nvc0_program_symbol_offset(cp, info->pc));
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_context.h b/src/gallium/drivers/nouveau/nvc0/nvc0_context.h
index 8aaecac..f6d535a 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_context.h
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_context.h
@@ -114,9 +114,9 @@
 /* 8 sets of 32-bits coordinate offsets */
 #define NVC0_CB_AUX_MS_INFO         0x0a0
 #define NVC0_CB_AUX_MS_SIZE         (8 * 2 * 4)
-/* block/grid size, at 3 32-bits integers each and gridid */
+/* block/grid size, at 3 32-bits integers each, gridid and work_dim */
 #define NVC0_CB_AUX_GRID_INFO(i)    0x0e0 + (i) * 4 /* CP */
-#define NVC0_CB_AUX_GRID_SIZE       (7 * 4)
+#define NVC0_CB_AUX_GRID_SIZE       (8 * 4)
 /* 8 user clip planes, at 4 32-bits floats each */
 #define NVC0_CB_AUX_UCP_INFO        0x100
 #define NVC0_CB_AUX_UCP_SIZE        (PIPE_MAX_CLIP_PLANES * 4 * 4)
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
index 2f819ab..5b3caca 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_program.c
@@ -569,9 +569,9 @@ nvc0_program_translate(struct nvc0_program *prog, uint16_t chipset,
       if (chipset >= NVISA_GK104_CHIPSET) {
          info->io.auxCBSlot = 7;
          info->io.msInfoCBSlot = 7;
-         info->prop.cp.gridInfoBase = NVC0_CB_AUX_GRID_INFO(0);
          info->io.uboInfoBase = NVC0_CB_AUX_UBO_INFO(0);
       }
+      info->prop.cp.gridInfoBase = NVC0_CB_AUX_GRID_INFO(0);
    } else {
       info->io.sampleInfoBase = NVC0_CB_AUX_SAMPLE_INFO;
    }
diff --git a/src/gallium/drivers/nouveau/nvc0/nve4_compute.c b/src/gallium/drivers/nouveau/nvc0/nve4_compute.c
index 5fddd92..27301a1 100644
--- a/src/gallium/drivers/nouveau/nvc0/nve4_compute.c
+++ b/src/gallium/drivers/nouveau/nvc0/nve4_compute.c
@@ -434,7 +434,7 @@ nve4_compute_upload_input(struct nvc0_context *nvc0,
    PUSH_DATAh(push, address + NVC0_CB_AUX_GRID_INFO(0));
    PUSH_DATA (push, address + NVC0_CB_AUX_GRID_INFO(0));
    BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
-   PUSH_DATA (push, 7 * 4);
+   PUSH_DATA (push, 8 * 4);
    PUSH_DATA (push, 0x1);
 
    if (unlikely(info->indirect)) {
@@ -444,18 +444,19 @@ nve4_compute_upload_input(struct nvc0_context *nvc0,
       nouveau_pushbuf_space(push, 16, 0, 1);
       PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
 
-      BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 7);
+      BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
       PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
       PUSH_DATAp(push, info->block, 3);
       nouveau_pushbuf_data(push, res->bo, offset,
                            NVC0_IB_ENTRY_1_NO_PREFETCH | 3 * 4);
    } else {
-      BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 7);
+      BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
       PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
       PUSH_DATAp(push, info->block, 3);
       PUSH_DATAp(push, info->grid, 3);
    }
    PUSH_DATA (push, 0);
+   PUSH_DATA (push, info->work_dim);
 
    BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
    PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);