nvc0: import nvc0 gallium driver

1 files changed, 462 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_vbo.c b/src/gallium/drivers/nvc0/nvc0_vbo.c
new file mode 100644
index 00000000000..1fc842238f3
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_vbo.c
@@ -0,0 +1,462 @@
+/*
+ * Copyright 2010 Christoph Bumiller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "translate/translate.h"
+
+#include "nvc0_context.h"
+#include "nvc0_resource.h"
+
+#include "nvc0_3d.xml.h"
+
+void
+nvc0_vertex_state_delete(struct pipe_context *pipe,
+                         void *hwcso)
+{
+   struct nvc0_vertex_stateobj *so = hwcso;
+
+   if (so->translate)
+      so->translate->release(so->translate);
+   FREE(hwcso);
+}
+
+void *
+nvc0_vertex_state_create(struct pipe_context *pipe,
+                         unsigned num_elements,
+                         const struct pipe_vertex_element *elements)
+{
+    struct nvc0_vertex_stateobj *so;
+    struct translate_key transkey;
+    unsigned i;
+
+    assert(num_elements);
+
+    so = MALLOC(sizeof(*so) +
+                (num_elements - 1) * sizeof(struct nvc0_vertex_element));
+    if (!so)
+        return NULL;
+    so->num_elements = num_elements;
+    so->instance_bits = 0;
+
+    transkey.nr_elements = 0;
+    transkey.output_stride = 0;
+
+    for (i = 0; i < num_elements; ++i) {
+        const struct pipe_vertex_element *ve = &elements[i];
+        const unsigned vbi = ve->vertex_buffer_index;
+        enum pipe_format fmt = ve->src_format;
+
+        so->element[i].pipe = elements[i];
+        so->element[i].state = nvc0_format_table[fmt].vtx;
+
+        if (!so->element[i].state) {
+            switch (util_format_get_nr_components(fmt)) {
+            case 1: fmt = PIPE_FORMAT_R32_FLOAT; break;
+            case 2: fmt = PIPE_FORMAT_R32G32_FLOAT; break;
+            case 3: fmt = PIPE_FORMAT_R32G32B32_FLOAT; break;
+            case 4: fmt = PIPE_FORMAT_R32G32B32A32_FLOAT; break;
+            default:
+                assert(0);
+                return NULL;
+            }
+            so->element[i].state = nvc0_format_table[fmt].vtx;
+        }
+        so->element[i].state |= i;
+
+        if (likely(!ve->instance_divisor)) {
+            unsigned j = transkey.nr_elements++;
+
+            transkey.element[j].type = TRANSLATE_ELEMENT_NORMAL;
+            transkey.element[j].input_format = ve->src_format;
+            transkey.element[j].input_buffer = vbi;
+            transkey.element[j].input_offset = ve->src_offset;
+            transkey.element[j].instance_divisor = ve->instance_divisor;
+
+            transkey.element[j].output_format = fmt;
+            transkey.element[j].output_offset = transkey.output_stride;
+            transkey.output_stride += (util_format_get_stride(fmt, 1) + 3) & ~3;
+        } else {
+           so->instance_bits |= 1 << i;
+        }
+    }
+
+    so->translate = translate_create(&transkey);
+    so->vtx_size = transkey.output_stride / 4;
+    so->vtx_per_packet_max = NV04_PFIFO_MAX_PACKET_LEN / MAX2(so->vtx_size, 1);
+
+    return so;
+}
+
+#define NVC0_3D_VERTEX_ATTRIB_INACTIVE                                       \
+   NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |                                 \
+   NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32 | NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST
+
+void
+nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
+{
+   struct nouveau_channel *chan = nvc0->screen->base.channel;
+   struct nvc0_vertex_stateobj *vertex = nvc0->vertex;
+   struct pipe_vertex_buffer *vb;
+   struct nvc0_vertex_element *ve;
+   unsigned i;
+
+   nvc0_bufctx_reset(nvc0, NVC0_BUFCTX_VERTEX);
+
+   nvc0->vbo_fifo = 0;
+
+   BEGIN_RING(chan, RING_3D(VERTEX_ATTRIB_FORMAT(0)), vertex->num_elements);
+   for (i = 0; i < vertex->num_elements; ++i) {
+      ve = &vertex->element[i];
+      vb = &nvc0->vtxbuf[ve->pipe.vertex_buffer_index];
+
+      if (!nvc0_resource_mapped_by_gpu(vb->buffer) || 1)
+         nvc0->vbo_fifo |= 1 << i;
+
+      if (1 || likely(vb->stride)) {
+         OUT_RING(chan, ve->state);
+      } else {
+         OUT_RING(chan, ve->state | NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST);
+      }
+   }
+
+   for (i = 0; i < vertex->num_elements; ++i) {
+      struct nouveau_bo *bo;
+      unsigned size, offset;
+      
+      ve = &vertex->element[i];
+      vb = &nvc0->vtxbuf[ve->pipe.vertex_buffer_index];
+
+      if (nvc0->vbo_fifo || (0 && vb->stride == 0)) {
+#if 0
+         if (!nvc0->vbo_fifo)
+            nvc0_vbo_constant_attrib(nvc0, vb, ve);
+#endif
+         BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FETCH(i)), 1);
+         OUT_RING  (chan, 0);
+         continue;
+      }
+
+      bo = nvc0_resource(vb->buffer)->bo;
+      size = vb->buffer->width0;
+      offset = ve->pipe.src_offset + vb->buffer_offset;
+
+      if (unlikely(ve->pipe.instance_divisor)) {
+         if (!(nvc0->state.instance_bits & (1 << i))) {
+            INLIN_RING(chan, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i)), 1);
+         }
+         BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_DIVISOR(i)), 1);
+         OUT_RING  (chan, ve->pipe.instance_divisor);
+      } else
+      if (unlikely(nvc0->state.instance_bits & (1 << i))) {
+         INLIN_RING(chan, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i)), 0);
+      }
+
+      nvc0_bufctx_add_resident(nvc0, NVC0_BUFCTX_VERTEX,
+                               nvc0_resource(vb->buffer), NOUVEAU_BO_RD);
+
+      BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FETCH(i)), 1);
+      OUT_RING  (chan, (1 << 12) | vb->stride);
+      BEGIN_RING_1I(chan, RING_3D(VERTEX_ARRAY_SELECT), 5);
+      OUT_RING  (chan, i);
+      OUT_RELOCh(chan, bo, size, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
+      OUT_RELOCl(chan, bo, size, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
+      OUT_RELOCh(chan, bo, offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
+      OUT_RELOCl(chan, bo, offset, NOUVEAU_BO_GART | NOUVEAU_BO_RD);
+   }
+   for (; i < nvc0->state.num_vtxelts; ++i) {
+      BEGIN_RING(chan, RING_3D(VERTEX_ATTRIB_FORMAT(i)), 1);
+      OUT_RING  (chan, NVC0_3D_VERTEX_ATTRIB_INACTIVE);
+      BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FETCH(i)), 1);
+      OUT_RING  (chan, 0);
+   }
+
+   nvc0->state.num_vtxelts = vertex->num_elements;
+   nvc0->state.instance_bits = vertex->instance_bits;
+}
+
+#define NVC0_PRIM_GL_CASE(n) \
+   case PIPE_PRIM_##n: return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
+
+static INLINE unsigned
+nvc0_prim_gl(unsigned prim)
+{
+   switch (prim) {
+   NVC0_PRIM_GL_CASE(POINTS);
+   NVC0_PRIM_GL_CASE(LINES);
+   NVC0_PRIM_GL_CASE(LINE_LOOP);
+   NVC0_PRIM_GL_CASE(LINE_STRIP);
+   NVC0_PRIM_GL_CASE(TRIANGLES);
+   NVC0_PRIM_GL_CASE(TRIANGLE_STRIP);
+   NVC0_PRIM_GL_CASE(TRIANGLE_FAN);
+   NVC0_PRIM_GL_CASE(QUADS);
+   NVC0_PRIM_GL_CASE(QUAD_STRIP);
+   NVC0_PRIM_GL_CASE(POLYGON);
+   NVC0_PRIM_GL_CASE(LINES_ADJACENCY);
+   NVC0_PRIM_GL_CASE(LINE_STRIP_ADJACENCY);
+   NVC0_PRIM_GL_CASE(TRIANGLES_ADJACENCY);
+   NVC0_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY);
+   /*
+   NVC0_PRIM_GL_CASE(PATCHES); */
+   default:
+      return NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS;
+      break;
+   }
+}
+
+static void
+nvc0_draw_vbo_flush_notify(struct nouveau_channel *chan)
+{
+   struct nvc0_context *nvc0 = chan->user_private;
+
+   nvc0_bufctx_emit_relocs(nvc0);
+
+   debug_printf("%s(%p)\n", __FUNCTION__, nvc0);
+}
+
+#if 0
+static struct nouveau_bo *
+nvc0_tfb_setup(struct nvc0_context *nvc0)
+{
+   struct nouveau_channel *chan = nvc0->screen->base.channel;
+   struct nouveau_bo *tfb = NULL;
+   int ret, i;
+
+   ret = nouveau_bo_new(nvc0->screen->base.device,
+                        NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096, &tfb);
+   if (ret)
+      return NULL;
+
+   ret = nouveau_bo_map(tfb, NOUVEAU_BO_WR);
+   if (ret)
+      return NULL;
+   memset(tfb->map, 0xee, 8 * 4 * 3);
+   nouveau_bo_unmap(tfb);
+
+   BEGIN_RING(chan, RING_3D(TFB_ENABLE), 1);
+   OUT_RING  (chan, 1);
+   BEGIN_RING(chan, RING_3D(TFB_BUFFER_ENABLE(0)), 5);
+   OUT_RING  (chan, 1);
+   OUT_RELOCh(chan, tfb, 0, NOUVEAU_BO_GART | NOUVEAU_BO_WR);
+   OUT_RELOCl(chan, tfb, 0, NOUVEAU_BO_GART | NOUVEAU_BO_WR);
+   OUT_RING  (chan, tfb->size);
+   OUT_RING  (chan, 0); /* TFB_PRIMITIVE_ID(0) */
+   BEGIN_RING(chan, RING_3D(TFB_UNK0700(0)), 3);
+   OUT_RING  (chan, 0);
+   OUT_RING  (chan, 8); /* TFB_VARYING_COUNT(0) */
+   OUT_RING  (chan, 32); /* TFB_BUFFER_STRIDE(0) */
+   BEGIN_RING(chan, RING_3D(TFB_VARYING_LOCS(0)), 2);
+   OUT_RING  (chan, 0x1f1e1d1c);
+   OUT_RING  (chan, 0xa3a2a1a0);
+   for (i = 1; i < 4; ++i) {
+      BEGIN_RING(chan, RING_3D(TFB_BUFFER_ENABLE(i)), 1);
+      OUT_RING  (chan, 0);
+   }
+   BEGIN_RING(chan, RING_3D(TFB_ENABLE), 1);
+   OUT_RING  (chan, 1);
+   BEGIN_RING(chan, RING_3D_(0x135c), 1);
+   OUT_RING  (chan, 1);
+   BEGIN_RING(chan, RING_3D_(0x135c), 1);
+   OUT_RING  (chan, 0);
+
+   return tfb;
+}
+#endif
+
+static void
+nvc0_draw_arrays(struct nvc0_context *nvc0,
+                 unsigned mode, unsigned start, unsigned count,
+                 unsigned start_instance, unsigned instance_count)
+{
+   struct nouveau_channel *chan = nvc0->screen->base.channel;
+   unsigned prim;
+
+   chan->flush_notify = nvc0_draw_vbo_flush_notify;
+   chan->user_private = nvc0;
+
+   prim = nvc0_prim_gl(mode);
+
+   if (nvc0->state.instance_base != start_instance) {
+      nvc0->state.instance_base = start_instance;
+      BEGIN_RING(chan, RING_3D(VB_INSTANCE_BASE), 1);
+      OUT_RING  (chan, start_instance);
+   }
+
+   while (instance_count--) {
+      BEGIN_RING(chan, RING_3D(VERTEX_BEGIN_GL), 1);
+      OUT_RING  (chan, prim);
+      BEGIN_RING(chan, RING_3D(VERTEX_BUFFER_FIRST), 2);
+      OUT_RING  (chan, start);
+      OUT_RING  (chan, count);
+      INLIN_RING(chan, RING_3D(VERTEX_END_GL), 0);
+
+      prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
+   }
+
+   chan->flush_notify = NULL;
+}
+
+static void
+nvc0_draw_elements_inline_u08(struct nouveau_channel *chan, uint8_t *map,
+                              unsigned start, unsigned count)
+{
+   map += start;
+
+   if (count & 3) {
+      unsigned i;
+      BEGIN_RING(chan, RING_3D(VB_ELEMENT_U32), count & 3);
+      for (i = 0; i < (count & 3); ++i)
+         OUT_RING(chan, *map++);
+      count &= ~3;
+   }
+   while (count) {
+      unsigned i, nr = MIN2(count, (NV04_PFIFO_MAX_PACKET_LEN & ~3) * 4) / 4;
+
+      BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U8), nr);
+      for (i = 0; i < nr; ++i) {
+         OUT_RING(chan,
+                  (map[3] << 24) | (map[2] << 16) | (map[1] << 8) | map[0]);
+         map += 4;
+      }
+      count -= nr;
+   }
+}
+
+static void
+nvc0_draw_elements_inline_u16(struct nouveau_channel *chan, uint16_t *map,
+                              unsigned start, unsigned count)
+{
+   map += start;
+
+   if (count & 1) {
+      count &= ~1;
+      BEGIN_RING(chan, RING_3D(VB_ELEMENT_U32), 1);
+      OUT_RING  (chan, *map++);
+   }
+   while (count) {
+      unsigned i, nr = MIN2(count, (NV04_PFIFO_MAX_PACKET_LEN & ~1) * 2) / 2;
+
+      BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U16), nr);
+      for (i = 0; i < nr; ++i) {
+         OUT_RING(chan, (map[1] << 16) | map[0]);
+         map += 2;
+      }
+      count -= nr;
+   }
+}
+
+static void
+nvc0_draw_elements_inline_u32(struct nouveau_channel *chan, uint32_t *map,
+                              unsigned start, unsigned count)
+{
+   map += start;
+
+   while (count) {
+      unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN);
+
+      BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U32), nr);
+      for (i = 0; i < nr; ++i)
+         OUT_RING(chan, *map++);
+
+      count -= nr;
+   }
+}
+
+static void
+nvc0_draw_elements(struct nvc0_context *nvc0,
+                   unsigned mode, unsigned start, unsigned count,
+                   unsigned start_instance, unsigned instance_count,
+                   unsigned index_size, int index_bias)
+{
+   struct nouveau_channel *chan = nvc0->screen->base.channel;
+   void *data;
+   struct pipe_transfer *transfer;
+   unsigned prim;
+
+   chan->flush_notify = nvc0_draw_vbo_flush_notify;
+   chan->user_private = nvc0;
+
+   prim = nvc0_prim_gl(mode);
+
+   data = pipe_buffer_map(&nvc0->pipe,
+                          nvc0->idxbuf.buffer, PIPE_TRANSFER_READ, &transfer);
+   if (!data)
+      return;
+
+   while (instance_count--) {
+      BEGIN_RING(chan, RING_3D(VERTEX_BEGIN_GL), 1);
+      OUT_RING  (chan, prim);
+      switch (index_size) {
+      case 1:
+         nvc0_draw_elements_inline_u08(chan, data, start, count);
+         break;
+      case 2:
+         nvc0_draw_elements_inline_u16(chan, data, start, count);
+         break;
+      case 4:
+         nvc0_draw_elements_inline_u32(chan, data, start, count);
+         break;
+      default:
+         assert(0);
+         return;
+      }
+      BEGIN_RING(chan, RING_3D(VERTEX_END_GL), 1);
+      OUT_RING  (chan, 0);
+   }
+
+   chan->flush_notify = NULL;
+}
+
+void
+nvc0_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
+{
+   struct nvc0_context *nvc0 = nvc0_context(pipe);
+
+   nvc0_state_validate(nvc0);
+
+   if (nvc0->vbo_fifo) {
+      nvc0_push_vbo(nvc0, info);
+      return;
+   }
+
+   if (nvc0->vbo_dirty) {
+      BEGIN_RING(nvc0->screen->base.channel, RING_3D_(0x142c), 1);
+      OUT_RING  (nvc0->screen->base.channel, 0);
+      nvc0->vbo_dirty = FALSE;
+   }
+
+   if (!info->indexed) {
+      nvc0_draw_arrays(nvc0,
+                       info->mode, info->start, info->count,
+                       info->start_instance, info->instance_count);
+   } else
+   if (nvc0->idxbuf.buffer) {
+      nvc0_draw_elements(nvc0,
+                         info->mode, info->start, info->count,
+                         info->start_instance, info->instance_count,
+                         nvc0->idxbuf.index_size, info->index_bias);
+   } else {
+      NOUVEAU_ERR("draw_indexed: no index buffer\n");
+   }
+}