nvc0: enable very initial support for nvf0 (GK110)

Shaders need a lot of work still.  Basic stuff generally works, so this
is basically just fine for gnome-shell, OA etc at this point.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

5 files changed, 76 insertions, 5 deletions

diff --git a/src/gallium/drivers/nouveau/nv_object.xml.h b/src/gallium/drivers/nouveau/nv_object.xml.h
index 2fd52ac..95210c5 100644
--- a/src/gallium/drivers/nouveau/nv_object.xml.h
+++ b/src/gallium/drivers/nouveau/nv_object.xml.h
@@ -189,6 +189,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define NVC1_3D_CLASS						0x00009197
 #define NVC8_3D_CLASS						0x00009297
 #define NVE4_3D_CLASS						0x0000a097
+#define NVF0_3D_CLASS						0x0000a197
 #define NV50_2D_CLASS						0x0000502d
 #define NVC0_2D_CLASS						0x0000902d
 #define NV50_COMPUTE_CLASS					0x000050c0
@@ -201,6 +202,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define BLOB_NVC0_PCOPY1_CLASS					0x000090b8
 #define BLOB_NVC0_PCOPY0_CLASS					0x000090b5
 #define NVE4_P2MF_CLASS						0x0000a040
+#define NVF0_P2MF_CLASS						0x0000a140
 #define NV31_MPEG_CLASS						0x00003174
 #define NV84_MPEG_CLASS						0x00008274
 
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_gk110.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_gk110.cpp
index bdf37ec..e752e90 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_gk110.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_emit_gk110.cpp
@@ -1144,13 +1144,45 @@ CodeEmitterGK110::emitPFETCH(const Instruction *i)
 void
 CodeEmitterGK110::emitVFETCH(const Instruction *i)
 {
-   emitNOP(i); // TODO
+   uint32_t offset = i->src(0).get()->reg.data.offset;
+
+   code[0] = 0x00000002 | (offset << 23);
+   code[1] = 0x7ec00000 | (offset >> 9);
+
+#if 0
+   if (i->perPatch)
+      code[0] |= 0x100;
+   if (i->getSrc(0)->reg.file == FILE_SHADER_OUTPUT)
+      code[0] |= 0x200; // yes, TCPs can read from *outputs* of other threads
+#endif
+
+   emitPredicate(i);
+
+   defId(i->def(0), 2);
+   srcId(i->src(0).getIndirect(0), 10);
+   srcId(i->src(0).getIndirect(1), 32 + 10); // vertex address
 }
 
 void
 CodeEmitterGK110::emitEXPORT(const Instruction *i)
 {
-   emitNOP(i); // TODO
+   uint32_t offset = i->src(0).get()->reg.data.offset;
+
+   code[0] = 0x00000002 | (offset << 23);
+   code[1] = 0x7f000000 | (offset >> 9);
+
+#if 0
+   if (i->perPatch)
+      code[0] |= 0x100;
+#endif
+
+   emitPredicate(i);
+
+   assert(i->src(1).getFile() == FILE_GPR);
+
+   srcId(i->src(0).getIndirect(0), 10);
+   srcId(i->src(0).getIndirect(1), 32 + 10); // vertex base address
+   srcId(i->src(1), 2);
 }
 
 void
@@ -1162,13 +1194,35 @@ CodeEmitterGK110::emitOUT(const Instruction *i)
 void
 CodeEmitterGK110::emitInterpMode(const Instruction *i)
 {
-   emitNOP(i); // TODO
+   code[1] |= i->ipa << 21; // TODO: INTERP_SAMPLEID
 }
 
 void
 CodeEmitterGK110::emitINTERP(const Instruction *i)
 {
-   emitNOP(i); // TODO
+   const uint32_t base = i->getSrc(0)->reg.data.offset;
+
+   code[0] = 0x00000002 | (base << 31);
+   code[1] = 0x74800000 | (base >> 1);
+
+   if (i->saturate)
+      code[1] |= 1 << 18;
+
+   if (i->op == OP_PINTERP)
+      srcId(i->src(1), 23);
+   else
+      code[0] |= 0xff << 23;
+
+   srcId(i->src(0).getIndirect(0), 10);
+   emitInterpMode(i);
+
+   emitPredicate(i);
+   defId(i->def(0), 2);
+
+   if (i->getSampleMode() == NV50_IR_INTERP_OFFSET)
+      srcId(i->src(i->op == OP_PINTERP ? 2 : 1), 32 + 10);
+   else
+      code[1] |= 0xff << 10;
 }
 
 void
diff --git a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
index 588baa8..2dd7fd2 100644
--- a/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
+++ b/src/gallium/drivers/nvc0/codegen/nv50_ir_target_nvc0.cpp
@@ -351,7 +351,14 @@ TargetNVC0::isAccessSupported(DataFile file, DataType ty) const
    if (file == FILE_MEMORY_CONST && getChipset() >= 0xe0) // wrong encoding ?
       return typeSizeof(ty) <= 8;
    if (ty == TYPE_B96)
-      return (file == FILE_SHADER_INPUT) || (file == FILE_SHADER_OUTPUT);
+      return false;
+   if (getChipset() >= 0xf0) {
+      // XXX: find wide vfetch/export
+      if (ty == TYPE_B128)
+         return false;
+      if (ty == TYPE_U64)
+         return false;
+   }
    return true;
 }
 
diff --git a/src/gallium/drivers/nvc0/nvc0_screen.c b/src/gallium/drivers/nvc0/nvc0_screen.c
index 5a76859..b5abee3 100644
--- a/src/gallium/drivers/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nvc0/nvc0_screen.c
@@ -549,6 +549,7 @@ nvc0_screen_create(struct nouveau_device *dev)
    case 0xc0:
    case 0xd0:
    case 0xe0:
+   case 0xf0:
       break;
    default:
       return NULL;
@@ -597,6 +598,9 @@ nvc0_screen_create(struct nouveau_device *dev)
    screen->base.fence.update = nvc0_screen_fence_update;
 
    switch (dev->chipset & 0xf0) {
+   case 0xf0:
+      obj_class = NVF0_P2MF_CLASS;
+      break;
    case 0xe0:
       obj_class = NVE4_P2MF_CLASS;
       break;
@@ -641,6 +645,9 @@ nvc0_screen_create(struct nouveau_device *dev)
    PUSH_DATA (push, screen->fence.bo->offset + 16);
 
    switch (dev->chipset & 0xf0) {
+   case 0xf0:
+      obj_class = NVF0_3D_CLASS;
+      break;
    case 0xe0:
       obj_class = NVE4_3D_CLASS;
       break;
diff --git a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
index bf99014..7e88eae 100644
--- a/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
+++ b/src/gallium/winsys/nouveau/drm/nouveau_drm_winsys.c
@@ -35,6 +35,7 @@ nouveau_drm_screen_create(int fd)
 	case 0xc0:
 	case 0xd0:
 	case 0xe0:
+	case 0xf0:
 		init = nvc0_screen_create;
 		break;
 	default: