check before calling multisample

Based on the website, glTexStorage2DMultisample requires at least
opengles >= 31 and opengl >= 43 or the extension.
Adding the check here.

v2: rebased using the features.
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/vrend_renderer.c

@@ -125,6 +125,7 @@ enum features_id
    feat_ssbo,
    feat_ssbo_barrier,
    feat_stencil_texturing,
+   feat_storage_multisample,
    feat_tessellation,
    feat_texture_array,
    feat_texture_buffer_range,
@@ -187,6 +188,7 @@ static const  struct {
    [feat_ssbo] = { 43, 31, { "GL_ARB_shader_storage_buffer_object" } },
    [feat_ssbo_barrier] = { 43, 31, {} },
    [feat_stencil_texturing] = { 43, 31, { "GL_ARB_stencil_texturing" } },
+   [feat_storage_multisample] = { 43, 31, { "GL_ARB_texture_storage_multisample" } },
    [feat_tessellation] = { 40, UNAVAIL, { "GL_ARB_tessellation_shader" } },
    [feat_texture_array] = { 30, 30, { "GL_EXT_texture_array" } },
    [feat_texture_buffer_range] = { 43, UNAVAIL, { "GL_ARB_texture_buffer_range" } },
@@ -8117,6 +8119,7 @@ static void vrend_renderer_fill_caps_v2(int gl_ver, int gles_ver,  union virgl_c
       glGetIntegerv(GL_MAX_IMAGE_SAMPLES, (GLint*)&caps->v2.max_image_samples);
    }
 
+   if (has_feature(feat_storage_multisample))
       caps->v1.max_samples = vrend_renderer_query_multisample_caps(caps->v1.max_samples, &caps->v2);
 
    caps->v2.capability_bits |= VIRGL_CAP_TGSI_INVARIANT | VIRGL_CAP_SET_MIN_SAMPLES | VIRGL_CAP_TGSI_PRECISE;