[virglrenderer-devel] [PATCH] check before calling multisample

[Po-Hsien Wang]

Based on the website, glTexStorage2DMultisample requires at least
opengles >= 31 and opengl >= 43 or the extension.
Adding the check here.
---
 src/vrend_renderer.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/vrend_renderer.c b/src/vrend_renderer.c
index 69f1da3..0938169 100644
--- a/src/vrend_renderer.c
+++ b/src/vrend_renderer.c
@@ -7355,7 +7355,8 @@ static void vrend_renderer_fill_caps_gles(uint32_t set, UNUSED uint32_t version,
    /* Not available on GLES */
    caps->v2.texture_buffer_offset_alignment = 0;
 
-   caps->v1.max_samples = vrend_renderer_query_multisample_caps(max, &caps->v2);
+   if (gles_ver >= 31)
+      caps->v1.max_samples = vrend_renderer_query_multisample_caps(max, &caps->v2);
 }
 
 void vrend_renderer_fill_caps(uint32_t set, uint32_t version,
@@ -7582,7 +7583,9 @@ void vrend_renderer_fill_caps(uint32_t set, uint32_t version,
       glGetIntegerv(GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT, (GLint*)&caps->v2.shader_buffer_offset_alignment);
    }
 
-   caps->v1.max_samples = vrend_renderer_query_multisample_caps(max, &caps->v2);
+   if (gl_ver >= 43 || epoxy_has_gl_extension("GL_ARB_texture_storage_multisample")){
+      caps->v1.max_samples = vrend_renderer_query_multisample_caps(max, &caps->v2);
+   }
 
    caps->v2.capability_bits |= VIRGL_CAP_TGSI_INVARIANT | VIRGL_CAP_SET_MIN_SAMPLES;
 
-- 
2.18.0.233.g985f88cf7e-goog