Mesa (glsl-to-tgsi): st/mesa: replace duplicated create_color_map_texture() function with shared function

[Bryan Cain]

Module: Mesa
Branch: glsl-to-tgsi
Commit: 95208751c0228f0a82347563c3b5f638c1096ec3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=95208751c0228f0a82347563c3b5f638c1096ec3

Author: Bryan Cain <bryancain3 at gmail.com>
Date:   Thu Aug  4 10:15:54 2011 -0500

st/mesa: replace duplicated create_color_map_texture() function with shared function

---

 src/mesa/state_tracker/st_atom_pixeltransfer.c |   22 +---------------------
 src/mesa/state_tracker/st_cb_drawpixels.c      |   23 +----------------------
 src/mesa/state_tracker/st_texture.c            |   20 ++++++++++++++++++++
 src/mesa/state_tracker/st_texture.h            |    4 ++++
 4 files changed, 26 insertions(+), 43 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_pixeltransfer.c b/src/mesa/state_tracker/st_atom_pixeltransfer.c
index 95b706c..12b5bc5 100644
--- a/src/mesa/state_tracker/st_atom_pixeltransfer.c
+++ b/src/mesa/state_tracker/st_atom_pixeltransfer.c
@@ -84,26 +84,6 @@ make_state_key(struct gl_context *ctx,  struct state_key *key)
 }
 
 
-static struct pipe_resource *
-create_color_map_texture(struct gl_context *ctx)
-{
-   struct st_context *st = st_context(ctx);
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_resource *pt;
-   enum pipe_format format;
-   const uint texSize = 256; /* simple, and usually perfect */
-
-   /* find an RGBA texture format */
-   format = st_choose_format(pipe->screen, GL_RGBA,
-                             PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
-
-   /* create texture for color map/table */
-   pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
-                          texSize, texSize, 1, 1, PIPE_BIND_SAMPLER_VIEW);
-   return pt;
-}
-
-
 /**
  * Update the pixelmap texture with the contents of the R/G/B/A pixel maps.
  */
@@ -219,7 +199,7 @@ get_pixel_transfer_program(struct gl_context *ctx, const struct state_key *key)
 
       /* create the colormap/texture now if not already done */
       if (!st->pixel_xfer.pixelmap_texture) {
-         st->pixel_xfer.pixelmap_texture = create_color_map_texture(ctx);
+         st->pixel_xfer.pixelmap_texture = st_create_color_map_texture(ctx);
          st->pixel_xfer.pixelmap_sampler_view =
             st_create_texture_sampler_view(st->pipe,
                                            st->pixel_xfer.pixelmap_texture);
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c b/src/mesa/state_tracker/st_cb_drawpixels.c
index f4dd2a4..0c4dc23 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -94,27 +94,6 @@ is_passthrough_program(const struct gl_fragment_program *prog)
 }
 
 
-/* XXX copied verbatim from st_atom_pixeltransfer.c */
-static struct pipe_resource *
-create_color_map_texture(struct gl_context *ctx)
-{
-   struct st_context *st = st_context(ctx);
-   struct pipe_context *pipe = st->pipe;
-   struct pipe_resource *pt;
-   enum pipe_format format;
-   const uint texSize = 256; /* simple, and usually perfect */
-
-   /* find an RGBA texture format */
-   format = st_choose_format(pipe->screen, GL_RGBA,
-                             PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
-
-   /* create texture for color map/table */
-   pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
-                          texSize, texSize, 1, 1, PIPE_BIND_SAMPLER_VIEW);
-   return pt;
-}
-
-
 /**
  * Returns a fragment program which implements the current pixel transfer ops.
  */
@@ -142,7 +121,7 @@ get_glsl_pixel_transfer_program(struct st_context *st,
    if (pixelMaps) {
       /* create the colormap/texture now if not already done */
       if (!st->pixel_xfer.pixelmap_texture) {
-         st->pixel_xfer.pixelmap_texture = create_color_map_texture(ctx);
+         st->pixel_xfer.pixelmap_texture = st_create_color_map_texture(ctx);
          st->pixel_xfer.pixelmap_sampler_view =
             st_create_texture_sampler_view(st->pipe,
                                            st->pixel_xfer.pixelmap_texture);
diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index ffe7e25..d8ba3ac 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -396,3 +396,23 @@ st_texture_image_copy(struct pipe_context *pipe,
    }
 }
 
+
+struct pipe_resource *
+st_create_color_map_texture(struct gl_context *ctx)
+{
+   struct st_context *st = st_context(ctx);
+   struct pipe_context *pipe = st->pipe;
+   struct pipe_resource *pt;
+   enum pipe_format format;
+   const uint texSize = 256; /* simple, and usually perfect */
+
+   /* find an RGBA texture format */
+   format = st_choose_format(pipe->screen, GL_RGBA,
+                             PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+
+   /* create texture for color map/table */
+   pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,
+                          texSize, texSize, 1, 1, PIPE_BIND_SAMPLER_VIEW);
+   return pt;
+}
+
diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h
index d50c3c9..b822f47 100644
--- a/src/mesa/state_tracker/st_texture.h
+++ b/src/mesa/state_tracker/st_texture.h
@@ -232,4 +232,8 @@ st_texture_image_copy(struct pipe_context *pipe,
                       struct pipe_resource *src, GLuint srcLevel,
                       GLuint face);
 
+
+extern struct pipe_resource *
+st_create_color_map_texture(struct gl_context *ctx);
+
 #endif