changes towards GL_ARB_point_sprite (two-zero)

1 files changed, 24 insertions, 0 deletions

diff --git a/src/mesa/main/points.c b/src/mesa/main/points.c
index cbb91554a1..5f5e01039c 100644
--- a/src/mesa/main/points.c
+++ b/src/mesa/main/points.c
@@ -229,6 +229,27 @@ _mesa_PointParameterfvEXT( GLenum pname, const GLfloat *params)
             return;
          }
          break;
+#if GL_VERSION_2_0
+      case GL_POINT_SPRITE_COORD_ORIGIN:
+         if (ctx->Extensions.ARB_point_sprite) {
+            GLenum value = (GLenum) params[0];
+            if (value != GL_LOWER_LEFT && value != GL_UPPER_LEFT) {
+               _mesa_error(ctx, GL_INVALID_VALUE,
+                           "glPointParameterf[v]{EXT,ARB}(param)");
+               return;
+            }
+            if (ctx->Point.SpriteOrigin == value)
+               return;
+            FLUSH_VERTICES(ctx, _NEW_POINT);
+            ctx->Point.SpriteOrigin = value;
+         }
+         else {
+            _mesa_error(ctx, GL_INVALID_ENUM,
+                        "glPointParameterf[v]{EXT,ARB}(pname)");
+            return;
+         }
+         break;
+#endif
       default:
          _mesa_error( ctx, GL_INVALID_ENUM,
                       "glPointParameterf[v]{EXT,ARB}(pname)" );
@@ -266,6 +287,9 @@ void _mesa_init_point( GLcontext * ctx )
    ctx->Point.Threshold = 1.0;
    ctx->Point.PointSprite = GL_FALSE; /* GL_ARB_point_sprite / GL_NV_point_sprite */
    ctx->Point.SpriteRMode = GL_ZERO; /* GL_NV_point_sprite (only!) */
+#if GL_VERSION_2_0
+   ctx->Point.SpriteOrigin = GL_UPPER_LEFT; /* GL_ARB_point_sprite */
+#endif
    for (i = 0; i < MAX_TEXTURE_UNITS; i++) {
       ctx->Point.CoordReplace[i] = GL_FALSE; /* GL_ARB_point_sprite / GL_NV_point_sprite */
    }