Mesa (master): meta: Use common vertex setup code for _mesa_meta_Bitmap too

[Eric Anholt]

Module: Mesa
Branch: master
Commit: b514f241019c6ce5ee0905c6f0a59eae1ddc03e6
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b514f241019c6ce5ee0905c6f0a59eae1ddc03e6

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Sat Dec 14 19:33:02 2013 -0800

meta: Use common vertex setup code for _mesa_meta_Bitmap too

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
Reviewed-by: Brian Paul <brianp at vmware.com>
Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/drivers/common/meta.c |   48 ++++++++++------------------------------
 1 file changed, 12 insertions(+), 36 deletions(-)

diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c
index 73832e4..6ffa416 100644
--- a/src/mesa/drivers/common/meta.c
+++ b/src/mesa/drivers/common/meta.c
@@ -2942,9 +2942,6 @@ _mesa_meta_Bitmap(struct gl_context *ctx,
    const GLenum texIntFormat = GL_ALPHA;
    const struct gl_pixelstore_attrib unpackSave = *unpack;
    GLubyte fg, bg;
-   struct vertex {
-      GLfloat x, y, z, s, t, r, g, b, a;
-   };
    struct vertex verts[4];
    GLboolean newTex;
    GLubyte *bitmap8;
@@ -2978,34 +2975,13 @@ _mesa_meta_Bitmap(struct gl_context *ctx,
                           MESA_META_VERTEX |
                           MESA_META_VIEWPORT));
 
-   if (bitmap->VAO == 0) {
-      /* one-time setup */
-
-      /* create vertex array object */
-      _mesa_GenVertexArrays(1, &bitmap->VAO);
-      _mesa_BindVertexArray(bitmap->VAO);
-
-      /* create vertex array buffer */
-      _mesa_GenBuffers(1, &bitmap->VBO);
-      _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, bitmap->VBO);
-      _mesa_BufferData(GL_ARRAY_BUFFER_ARB, sizeof(verts),
-                          NULL, GL_DYNAMIC_DRAW_ARB);
-
-      /* setup vertex arrays */
-      _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x));
-      _mesa_TexCoordPointer(2, GL_FLOAT, sizeof(struct vertex), OFFSET(s));
-      _mesa_ColorPointer(4, GL_FLOAT, sizeof(struct vertex), OFFSET(r));
-      _mesa_EnableClientState(GL_VERTEX_ARRAY);
-      _mesa_EnableClientState(GL_TEXTURE_COORD_ARRAY);
-      _mesa_EnableClientState(GL_COLOR_ARRAY);
-   }
-   else {
-      _mesa_BindVertexArray(bitmap->VAO);
-      _mesa_BindBuffer(GL_ARRAY_BUFFER_ARB, bitmap->VBO);
-   }
+   setup_vertex_objects(&bitmap->VAO, &bitmap->VBO, false, 3, 2, 4);
 
    newTex = alloc_texture(tex, width, height, texIntFormat);
 
+   /* Silence valgrind warnings about reading uninitialized stack. */
+   memset(verts, 0, sizeof(verts));
+
    /* vertex positions, texcoords, colors (after texture allocation!) */
    {
       const GLfloat x0 = (GLfloat) x;
@@ -3018,23 +2994,23 @@ _mesa_meta_Bitmap(struct gl_context *ctx,
       verts[0].x = x0;
       verts[0].y = y0;
       verts[0].z = z;
-      verts[0].s = 0.0F;
-      verts[0].t = 0.0F;
+      verts[0].tex[0] = 0.0F;
+      verts[0].tex[1] = 0.0F;
       verts[1].x = x1;
       verts[1].y = y0;
       verts[1].z = z;
-      verts[1].s = tex->Sright;
-      verts[1].t = 0.0F;
+      verts[1].tex[0] = tex->Sright;
+      verts[1].tex[1] = 0.0F;
       verts[2].x = x1;
       verts[2].y = y1;
       verts[2].z = z;
-      verts[2].s = tex->Sright;
-      verts[2].t = tex->Ttop;
+      verts[2].tex[0] = tex->Sright;
+      verts[2].tex[1] = tex->Ttop;
       verts[3].x = x0;
       verts[3].y = y1;
       verts[3].z = z;
-      verts[3].s = 0.0F;
-      verts[3].t = tex->Ttop;
+      verts[3].tex[0] = 0.0F;
+      verts[3].tex[1] = tex->Ttop;
 
       for (i = 0; i < 4; i++) {
          verts[i].r = ctx->Current.RasterColor[0];