From f2f7bd855af49752b1c77746542c62f1c529e953 Mon Sep 17 00:00:00 2001
From: Michal Krol <michal@vmware.com>
Date: Tue, 1 Dec 2009 09:01:27 +0100
Subject: [PATCH] id: Implement separate vertex sampler state.

---
 src/gallium/drivers/identity/id_context.c | 58 +++++++++++++++++++----
 1 file changed, 49 insertions(+), 9 deletions(-)

diff --git a/src/gallium/drivers/identity/id_context.c b/src/gallium/drivers/identity/id_context.c
index 2f5b38ea154..4509c7b1e5c 100644
--- a/src/gallium/drivers/identity/id_context.c
+++ b/src/gallium/drivers/identity/id_context.c
@@ -221,18 +221,31 @@ identity_create_sampler_state(struct pipe_context *_pipe,
 }
 
 static void
-identity_bind_sampler_states(struct pipe_context *_pipe,
-                             unsigned num,
-                             void **samplers)
+identity_bind_fragment_sampler_states(struct pipe_context *_pipe,
+                                      unsigned num_samplers,
+                                      void **samplers)
 {
    struct identity_context *id_pipe = identity_context(_pipe);
    struct pipe_context *pipe = id_pipe->pipe;
 
    pipe->bind_fragment_sampler_states(pipe,
-                                      num,
+                                      num_samplers,
                                       samplers);
 }
 
+static void
+identity_bind_vertex_sampler_states(struct pipe_context *_pipe,
+                                    unsigned num_samplers,
+                                    void **samplers)
+{
+   struct identity_context *id_pipe = identity_context(_pipe);
+   struct pipe_context *pipe = id_pipe->pipe;
+
+   pipe->bind_vertex_sampler_states(pipe,
+                                    num_samplers,
+                                    samplers);
+}
+
 static void
 identity_delete_sampler_state(struct pipe_context *_pipe,
                               void *sampler)
@@ -480,9 +493,9 @@ identity_set_viewport_state(struct pipe_context *_pipe,
 }
 
 static void
-identity_set_sampler_textures(struct pipe_context *_pipe,
-                              unsigned num_textures,
-                              struct pipe_texture **_textures)
+identity_set_fragment_sampler_textures(struct pipe_context *_pipe,
+                                       unsigned num_textures,
+                                       struct pipe_texture **_textures)
 {
    struct identity_context *id_pipe = identity_context(_pipe);
    struct pipe_context *pipe = id_pipe->pipe;
@@ -504,6 +517,31 @@ identity_set_sampler_textures(struct pipe_context *_pipe,
                                        textures);
 }
 
+static void
+identity_set_vertex_sampler_textures(struct pipe_context *_pipe,
+                                     unsigned num_textures,
+                                     struct pipe_texture **_textures)
+{
+   struct identity_context *id_pipe = identity_context(_pipe);
+   struct pipe_context *pipe = id_pipe->pipe;
+   struct pipe_texture *unwrapped_textures[PIPE_MAX_VERTEX_SAMPLERS];
+   struct pipe_texture **textures = NULL;
+   unsigned i;
+
+   if (_textures) {
+      for (i = 0; i < num_textures; i++)
+         unwrapped_textures[i] = identity_texture_unwrap(_textures[i]);
+      for (; i < PIPE_MAX_VERTEX_SAMPLERS; i++)
+         unwrapped_textures[i] = NULL;
+
+      textures = unwrapped_textures;
+   }
+
+   pipe->set_vertex_sampler_textures(pipe,
+                                     num_textures,
+                                     textures);
+}
+
 static void
 identity_set_vertex_buffers(struct pipe_context *_pipe,
                             unsigned num_buffers,
@@ -682,7 +720,8 @@ identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
    id_pipe->base.bind_blend_state = identity_bind_blend_state;
    id_pipe->base.delete_blend_state = identity_delete_blend_state;
    id_pipe->base.create_sampler_state = identity_create_sampler_state;
-   id_pipe->base.bind_fragment_sampler_states = identity_bind_sampler_states;
+   id_pipe->base.bind_fragment_sampler_states = identity_bind_fragment_sampler_states;
+   id_pipe->base.bind_vertex_sampler_states = identity_bind_vertex_sampler_states;
    id_pipe->base.delete_sampler_state = identity_delete_sampler_state;
    id_pipe->base.create_rasterizer_state = identity_create_rasterizer_state;
    id_pipe->base.bind_rasterizer_state = identity_bind_rasterizer_state;
@@ -703,7 +742,8 @@ identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
    id_pipe->base.set_polygon_stipple = identity_set_polygon_stipple;
    id_pipe->base.set_scissor_state = identity_set_scissor_state;
    id_pipe->base.set_viewport_state = identity_set_viewport_state;
-   id_pipe->base.set_fragment_sampler_textures = identity_set_sampler_textures;
+   id_pipe->base.set_fragment_sampler_textures = identity_set_vertex_sampler_textures;
+   id_pipe->base.set_vertex_sampler_textures = identity_set_vertex_sampler_textures;
    id_pipe->base.set_vertex_buffers = identity_set_vertex_buffers;
    id_pipe->base.set_vertex_elements = identity_set_vertex_elements;
    id_pipe->base.surface_copy = identity_surface_copy;
-- 
2.30.2