From: Brian Paul <brianp@vmware.com>
Date: Thu, 17 Oct 2013 15:28:17 +0000 (-0600)
Subject: st/mesa: add a few comments in st_create_context_priv()
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=282bb87366fec99eff6d8cf0d0d2eb92072eab53;p=mesa.git

st/mesa: add a few comments in st_create_context_priv()
---

diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 80393cff7f8..4e0d98cc3b0 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -125,6 +125,9 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
    st->dirty.mesa = ~0;
    st->dirty.st = ~0;
 
+   /* Create upload manager for vertex data for glBitmap, glDrawPixels,
+    * glClear, etc.
+    */
    st->uploader = u_upload_create(st->pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER);
 
    if (!screen->get_param(screen, PIPE_CAP_USER_INDEX_BUFFERS)) {
@@ -148,7 +151,8 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
    st_init_draw( st );
    st_init_generate_mipmap(st);
 
-   if(pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
+   /* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
+   if (pipe->screen->get_param(pipe->screen, PIPE_CAP_NPOT_TEXTURES))
       st->internal_target = PIPE_TEXTURE_2D;
    else
       st->internal_target = PIPE_TEXTURE_RECT;