docs: added more GL3 items

docs/GL3.txt

@@ -13,7 +13,7 @@ Feature                                               Status
 GL 3.0:
 
 GLSL changes (GL_EXT_gpu_shader4, etc)                not started
-Conditional rendering (GL_NV_conditional_render)      DONE (swrast only)
+Conditional rendering (GL_NV_conditional_render)      DONE (swrast & softpipe)
 Map buffer subranges (GL_APPLE_flush_buffer_range)    not started
 Float textures, renderbuffers                         some infrastructure done
 Framebuffer objects (GL_EXT_framebuffer_object)       DONE
@@ -30,6 +30,10 @@ Vertex array objects (GL_APPLE_vertex_array_object)   DONE
 sRGB framebuffer format (GL_EXT_framebuffer_sRGB)     not started
 glClearBuffer commands                                DONE, except for dispatch
 glGetStringi command                                  DONE, except for dispatch
+glTexParameterI, glGetTexParameterI commands          DONE, except for dispatch
+glVertexAttribI commands                              not started
+glBindFragDataLocation, glGetFragDataLocation cmds    not started
+glBindBufferRange, glBindBufferBase commands          not started
 
 
 GL 3.1: