From cfeda4165b2845d2253d3082aa771a2346bac6a0 Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Mon, 21 Jan 2008 21:15:43 -0700
Subject: Cell: initial support for sampler state

---
 src/mesa/pipe/cell/common.h              |  1 +
 src/mesa/pipe/cell/ppu/cell_state_emit.c |  7 +++++++
 src/mesa/pipe/cell/spu/spu_main.c        | 15 +++++++++++++++
 src/mesa/pipe/cell/spu/spu_main.h        |  1 +
 4 files changed, 24 insertions(+)

diff --git a/src/mesa/pipe/cell/common.h b/src/mesa/pipe/cell/common.h
index f05070d25a..4c998722a2 100644
--- a/src/mesa/pipe/cell/common.h
+++ b/src/mesa/pipe/cell/common.h
@@ -60,6 +60,7 @@
 #define CELL_CMD_RENDER        5
 #define CELL_CMD_BATCH         6
 #define CELL_CMD_STATE_DEPTH_STENCIL 7
+#define CELL_CMD_STATE_SAMPLER       8
 
 
 #define CELL_NUM_BATCH_BUFFERS 3
diff --git a/src/mesa/pipe/cell/ppu/cell_state_emit.c b/src/mesa/pipe/cell/ppu/cell_state_emit.c
index e1a1458f39..e7d14d0d25 100644
--- a/src/mesa/pipe/cell/ppu/cell_state_emit.c
+++ b/src/mesa/pipe/cell/ppu/cell_state_emit.c
@@ -42,4 +42,11 @@ cell_emit_state(struct cell_context *cell)
       cell_batch_append(cell, cell->depth_stencil,
                         sizeof(struct pipe_depth_stencil_alpha_state));
    }
+
+   if (cell->dirty & CELL_NEW_SAMPLER) {
+      uint cmd = CELL_CMD_STATE_SAMPLER;
+      cell_batch_append(cell, &cmd, 4);
+      cell_batch_append(cell, cell->sampler[0],
+                        sizeof(struct pipe_sampler_state));
+   }
 }
diff --git a/src/mesa/pipe/cell/spu/spu_main.c b/src/mesa/pipe/cell/spu/spu_main.c
index 2b32c26854..2e5cb76b4a 100644
--- a/src/mesa/pipe/cell/spu/spu_main.c
+++ b/src/mesa/pipe/cell/spu/spu_main.c
@@ -378,7 +378,17 @@ cmd_state_depth_stencil(const struct pipe_depth_stencil_alpha_state *state)
              state->depth.enabled);
 
    memcpy(&spu.depth_stencil, state, sizeof(*state));
+}
+
+
+static void
+cmd_state_sampler(const struct pipe_sampler_state *state)
+{
+   if (Debug)
+      printf("SPU %u: SAMPLER\n",
+             spu.init.id);
 
+   memcpy(&spu.sampler[0], state, sizeof(*state));
 }
 
 
@@ -501,6 +511,11 @@ cmd_batch(uint opcode)
                                  &buffer[pos+1]);
          pos += (1 + sizeof(struct pipe_depth_stencil_alpha_state) / 4);
          break;
+      case CELL_CMD_STATE_SAMPLER:
+         cmd_state_sampler((struct pipe_sampler_state *)
+                           &buffer[pos+1]);
+         pos += (1 + sizeof(struct pipe_sampler_state) / 4);
+         break;
       default:
          printf("SPU %u: bad opcode: 0x%x\n", spu.init.id, buffer[pos]);
          ASSERT(0);
diff --git a/src/mesa/pipe/cell/spu/spu_main.h b/src/mesa/pipe/cell/spu/spu_main.h
index 2aa7015ae3..3ef73c9473 100644
--- a/src/mesa/pipe/cell/spu/spu_main.h
+++ b/src/mesa/pipe/cell/spu/spu_main.h
@@ -58,6 +58,7 @@ struct spu_global
    struct spu_framebuffer fb;
    struct pipe_depth_stencil_alpha_state depth_stencil;
    struct pipe_blend_state blend;
+   struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
    /* XXX more state to come */
 
 } ALIGN16_ATTRIB;
-- 
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