From 5d2673ba7e3d1fecdc959ce5a2eb8c89b9592ab8 Mon Sep 17 00:00:00 2001
From: Kenneth Graunke <kenneth@whitecape.org>
Date: Sat, 7 Apr 2018 06:35:51 -0700
Subject: [PATCH] iris: set sampler views

---
 src/gallium/drivers/iris/iris_context.h |  4 ++-
 src/gallium/drivers/iris/iris_state.c   | 37 ++++++++++++++++++++-----
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/gallium/drivers/iris/iris_context.h b/src/gallium/drivers/iris/iris_context.h
index 21e81d37477..81eef52a7a6 100644
--- a/src/gallium/drivers/iris/iris_context.h
+++ b/src/gallium/drivers/iris/iris_context.h
@@ -186,7 +186,9 @@ struct iris_context {
       struct pipe_resource *sampler_table_resource[MESA_SHADER_STAGES];
       uint32_t sampler_table_offset[MESA_SHADER_STAGES];
       struct iris_sampler_state *samplers[MESA_SHADER_STAGES][IRIS_MAX_TEXTURE_SAMPLERS];
-      unsigned num_samplers;
+      struct iris_sampler_view *textures[MESA_SHADER_STAGES][IRIS_MAX_TEXTURE_SAMPLERS];
+      unsigned num_samplers[MESA_SHADER_STAGES];
+      unsigned num_textures[MESA_SHADER_STAGES];
 
       struct iris_binder binder;
       struct u_upload_mgr *surface_uploader;
diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 7b4b66bd7cf..38310cfd6c8 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -890,7 +890,7 @@ iris_bind_sampler_states(struct pipe_context *ctx,
       map += GENX(SAMPLER_STATE_length);
    }
 
-   ice->state.num_samplers = count;
+   ice->state.num_samplers[stage] = count;
 
    ice->state.dirty |= IRIS_DIRTY_SAMPLER_STATES_VS << stage;
 }
@@ -1055,10 +1055,22 @@ iris_create_surface(struct pipe_context *ctx,
 
 static void
 iris_set_sampler_views(struct pipe_context *ctx,
-                       enum pipe_shader_type shader,
+                       enum pipe_shader_type p_stage,
                        unsigned start, unsigned count,
                        struct pipe_sampler_view **views)
 {
+   struct iris_context *ice = (struct iris_context *) ctx;
+   gl_shader_stage stage = stage_from_pipe(p_stage);
+
+   unsigned i;
+   for (i = 0; i < count; i++)
+      pipe_sampler_view_reference(&ice->state.textures[stage][i], views[i]);
+   for (; i < ice->state.num_textures[stage]; i++)
+      pipe_sampler_view_reference(&ice->state.textures[stage][i], NULL);
+
+   ice->state.num_textures[stage] = count;
+
+   // XXX: ice->state.dirty |= (IRIS_DIRTY_BINDING_TABLE_VS << stage);
 }
 
 static void
@@ -1923,7 +1935,7 @@ use_surface(struct iris_batch *batch,
             bool writeable)
 {
    struct iris_surface *surf = (void *) p_surf;
-   struct iris_resource *res = (void *) surf->pipe.texture;
+   struct iris_resource *res = (void *) p_surf->texture;
    struct iris_resource *state_res = (void *) surf->surface_state_resource;
    iris_use_pinned_bo(batch, res->bo, writeable);
    iris_use_pinned_bo(batch, state_res->bo, false);
@@ -1931,6 +1943,17 @@ use_surface(struct iris_batch *batch,
    return surf->surface_state_offset;
 }
 
+static uint32_t
+use_sampler_view(struct iris_batch *batch, struct iris_sampler_view *isv)
+{
+   struct iris_resource *res = (void *) isv->pipe.texture;
+   struct iris_resource *state_res = (void *) isv->surface_state_resource;
+   iris_use_pinned_bo(batch, res->bo, false);
+   iris_use_pinned_bo(batch, state_res->bo, false);
+
+   return isv->surface_state_offset;
+}
+
 static void
 iris_upload_render_state(struct iris_context *ice,
                          struct iris_batch *batch,
@@ -2085,12 +2108,12 @@ iris_upload_render_state(struct iris_context *ice,
          }
       }
 
-#if 0
-      for (int i = 0; i < ice->state.num_samplers; i++) {
-         struct iris_sampler_view *view = SOMEWHERE;
+      for (int i = 0; i < ice->state.num_textures[stage]; i++) {
+         struct iris_sampler_view *view = ice->state.textures[stage][i];
          struct iris_resource *res = (void *) view->pipe.texture;
-         *bt_map++ = use_surface(batch, isv, true);
+         *bt_map++ = use_sampler_view(batch, view);
       }
+#if 0
 
       // XXX: not implemented yet
       assert(prog_data->binding_table.pull_constants_start == 0xd0d0d0d0);
-- 
2.30.2