gallium: added PIPE_CAP_INSTANCED_DRAWING

src/gallium/docs/source/screen.rst

@@ -36,6 +36,7 @@ The integer capabilities:
   bound.
 * ``OCCLUSION_QUERY``: Whether occlusion queries are available.
 * ``TIMER_QUERY``: Whether timer queries are available.
+* ``INSTANCED_DRAWING``: indicates support for instanced drawing.
 * ``TEXTURE_SHADOW_MAP``: indicates whether the fragment shader hardware
   can do the depth texture / Z comparison operation in TEX instructions
   for shadow testing.

src/gallium/include/pipe/p_defines.h

@@ -467,6 +467,7 @@ enum pipe_cap {
    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
    PIPE_CAP_DEPTH_CLAMP,
    PIPE_CAP_SHADER_STENCIL_EXPORT,
+   PIPE_CAP_INSTANCED_DRAWING,
 };
 
 /* Shader caps not specific to any single stage */