nvc0: import nvc0 gallium driver

1 files changed, 329 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_push2.c b/src/gallium/drivers/nvc0/nvc0_push2.c
new file mode 100644
index 00000000000..3f9359cf25f
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_push2.c
@@ -0,0 +1,329 @@
+
+#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"
+
+struct push_context {
+   struct nvc0_context *nvc0;
+
+   uint vertex_size;
+
+   void *idxbuf;
+   uint idxsize;
+
+   float edgeflag;
+   int edgeflag_input;
+
+   struct {
+      void *map;
+      void (*push)(struct nouveau_channel *, void *);
+      uint32_t stride;
+      uint32_t divisor;
+      uint32_t step;
+   } attr[32];
+   int num_attrs;
+};
+
+static void
+emit_b32_1(struct nouveau_channel *chan, void *data)
+{
+   uint32_t *v = data;
+
+   OUT_RING(chan, v[0]);
+}
+
+static void
+emit_b32_2(struct nouveau_channel *chan, void *data)
+{
+   uint32_t *v = data;
+
+   OUT_RING(chan, v[0]);
+   OUT_RING(chan, v[1]);
+}
+
+static void
+emit_b32_3(struct nouveau_channel *chan, void *data)
+{
+   uint32_t *v = data;
+
+   OUT_RING(chan, v[0]);
+   OUT_RING(chan, v[1]);
+   OUT_RING(chan, v[2]);
+}
+
+static void
+emit_b32_4(struct nouveau_channel *chan, void *data)
+{
+   uint32_t *v = data;
+
+   OUT_RING(chan, v[0]);
+   OUT_RING(chan, v[1]);
+   OUT_RING(chan, v[2]);
+   OUT_RING(chan, v[3]);
+}
+
+static void
+emit_b16_1(struct nouveau_channel *chan, void *data)
+{
+   uint16_t *v = data;
+
+   OUT_RING(chan, v[0]);
+}
+
+static void
+emit_b16_3(struct nouveau_channel *chan, void *data)
+{
+   uint16_t *v = data;
+
+   OUT_RING(chan, (v[1] << 16) | v[0]);
+   OUT_RING(chan, v[2]);
+}
+
+static void
+emit_b08_1(struct nouveau_channel *chan, void *data)
+{
+   uint8_t *v = data;
+
+   OUT_RING(chan, v[0]);
+}
+
+static void
+emit_b08_3(struct nouveau_channel *chan, void *data)
+{
+   uint8_t *v = data;
+
+   OUT_RING(chan, (v[2] << 16) | (v[1] << 8) | v[0]);
+}
+
+static void
+emit_b64_1(struct nouveau_channel *chan, void *data)
+{
+   double *v = data;
+
+   OUT_RINGf(chan, v[0]);
+}
+
+static void
+emit_b64_2(struct nouveau_channel *chan, void *data)
+{
+   double *v = data;
+
+   OUT_RINGf(chan, v[0]);
+   OUT_RINGf(chan, v[1]);
+}
+
+static void
+emit_b64_3(struct nouveau_channel *chan, void *data)
+{
+   double *v = data;
+
+   OUT_RINGf(chan, v[0]);
+   OUT_RINGf(chan, v[1]);
+   OUT_RINGf(chan, v[2]);
+}
+
+static void
+emit_b64_4(struct nouveau_channel *chan, void *data)
+{
+   double *v = data;
+
+   OUT_RINGf(chan, v[0]);
+   OUT_RINGf(chan, v[1]);
+   OUT_RINGf(chan, v[2]);
+   OUT_RINGf(chan, v[3]);   
+}
+
+static INLINE void
+emit_vertex(struct push_context *ctx, unsigned n)
+{
+   struct nouveau_channel *chan = ctx->nvc0->screen->base.channel;
+   int i;
+
+   if (ctx->edgeflag_input < 32) {
+      /* TODO */
+   }
+
+   BEGIN_RING_NI(chan, RING_3D(VERTEX_DATA), ctx->vertex_size);
+   for (i = 0; i < ctx->num_attrs; ++i)
+      ctx->attr[i].push(chan,
+                        (uint8_t *)ctx->attr[i].map + n * ctx->attr[i].stride);
+}
+
+static void
+emit_edgeflag(struct push_context *ctx, boolean enabled)
+{
+   struct nouveau_channel *chan = ctx->nvc0->screen->base.channel;
+   
+   INLIN_RING(chan, RING_3D(EDGEFLAG_ENABLE), enabled);
+}
+
+static void
+emit_elt08(struct push_context *ctx, unsigned start, unsigned count)
+{
+   uint8_t *idxbuf = ctx->idxbuf;
+
+   while (count--)
+      emit_vertex(ctx, idxbuf[start++]);
+}
+
+static void
+emit_elt16(struct push_context *ctx, unsigned start, unsigned count)
+{
+   uint16_t *idxbuf = ctx->idxbuf;
+
+   while (count--)
+      emit_vertex(ctx, idxbuf[start++]);
+}
+
+static void
+emit_elt32(struct push_context *ctx, unsigned start, unsigned count)
+{
+   uint32_t *idxbuf = ctx->idxbuf;
+
+   while (count--)
+      emit_vertex(ctx, idxbuf[start++]);
+}
+
+static void
+emit_seq(struct push_context *ctx, unsigned start, unsigned count)
+{
+   while (count--)
+      emit_vertex(ctx, start++);
+}
+
+#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;
+   }
+}
+
+void
+nvc0_push_vbo2(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
+{
+   struct push_context ctx;
+   unsigned i, n;
+   unsigned inst = info->instance_count;
+   unsigned prim = nvc0_prim_gl(info->mode);
+
+   ctx.nvc0 = nvc0;
+   ctx.vertex_size = nvc0->vertex->vtx_size;
+   ctx.idxbuf = NULL;
+   ctx.num_attrs = 0;
+   ctx.edgeflag = 0.5f;
+   ctx.edgeflag_input = 32;
+
+   for (i = 0; i < nvc0->vertex->num_elements; ++i) {
+      struct pipe_vertex_element *ve = &nvc0->vertex->element[i].pipe;
+      struct pipe_vertex_buffer *vb = &nvc0->vtxbuf[ve->vertex_buffer_index];
+      struct nouveau_bo *bo = nvc0_resource(vb->buffer)->bo;
+      unsigned nr_components;
+
+      if (!(nvc0->vbo_fifo & (1 << i)))
+         continue;
+      n = ctx.num_attrs++;
+
+      if (nouveau_bo_map(bo, NOUVEAU_BO_RD))
+         return;
+      ctx.attr[n].map = (uint8_t *)bo->map + vb->buffer_offset + ve->src_offset;
+
+      nouveau_bo_unmap(bo);
+
+      ctx.attr[n].stride = vb->stride;
+      ctx.attr[n].divisor = ve->instance_divisor;
+
+      nr_components = util_format_get_nr_components(ve->src_format);
+      switch (util_format_get_component_bits(ve->src_format,
+                                             UTIL_FORMAT_COLORSPACE_RGB, 0)) {
+      case 8:
+         switch (nr_components) {
+         case 1: ctx.attr[n].push = emit_b08_1; break;
+         case 2: ctx.attr[n].push = emit_b16_1; break;
+         case 3: ctx.attr[n].push = emit_b08_3; break;
+         case 4: ctx.attr[n].push = emit_b32_1; break;
+         }
+         break;
+      case 16:
+         switch (nr_components) {
+         case 1: ctx.attr[n].push = emit_b16_1; break;
+         case 2: ctx.attr[n].push = emit_b32_1; break;
+         case 3: ctx.attr[n].push = emit_b16_3; break;
+         case 4: ctx.attr[n].push = emit_b32_2; break;
+         }
+         break;
+      case 32:
+         switch (nr_components) {
+         case 1: ctx.attr[n].push = emit_b32_1; break;
+         case 2: ctx.attr[n].push = emit_b32_2; break;
+         case 3: ctx.attr[n].push = emit_b32_3; break;
+         case 4: ctx.attr[n].push = emit_b32_4; break;
+         }
+         break;
+      default:
+         assert(0);
+         break;
+      }
+   }
+
+   if (info->indexed) {
+      struct nvc0_resource *res = nvc0_resource(nvc0->idxbuf.buffer);
+      if (!res || nouveau_bo_map(res->bo, NOUVEAU_BO_RD))
+         return;
+      ctx.idxbuf = res->bo->map;
+      nouveau_bo_unmap(res->bo);
+      ctx.idxsize = nvc0->idxbuf.index_size;
+   } else {
+      ctx.idxsize = 0;
+   }
+
+   while (inst--) {
+      BEGIN_RING(nvc0->screen->base.channel, RING_3D(VERTEX_BEGIN_GL), 1);
+      OUT_RING  (nvc0->screen->base.channel, prim);
+      switch (ctx.idxsize) {
+      case 0:
+         emit_seq(&ctx, info->start, info->count);
+         break;
+      case 1:
+         emit_elt08(&ctx, info->start, info->count);
+         break;
+      case 2:
+         emit_elt16(&ctx, info->start, info->count);
+         break;
+      case 4:
+         emit_elt32(&ctx, info->start, info->count);
+         break;
+      }
+      INLIN_RING(nvc0->screen->base.channel, RING_3D(VERTEX_END_GL), 0);
+
+      prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
+   }
+}