Add a hack to use #version 110 but keep using 130 features, for the benefit of OS X.

[movit] / init.cpp

diff --git a/init.cpp b/init.cpp
index ed8172dcaefa25059c64566cc4ebbe59a6657d72..7781ba24ccd7e8fb76c1e5f305ecff8ba75c35bc 100644 (file)
--- a/init.cpp
+++ b/init.cpp
@@ -433,7 +433,14 @@ bool init_movit(const string& data_directory, MovitDebugLevel debug_level)
                if (get_glsl_version() < 1.30f) {
                        fprintf(stderr, "Movit system requirements: Needs at least GLSL version 1.30 (has version %.1f)\n",
                                get_glsl_version());
-                       return false;
+                       if (get_glsl_version() >= 1.10f) {
+                               fprintf(stderr, "Attempting to continue nevertheless; expect shader compilation issues.\n");
+                               fprintf(stderr, "Try switching to a core OpenGL context, as especially OS X drivers\n");
+                               fprintf(stderr, "support newer GLSL versions there.\n");
+                               movit_shader_model = MOVIT_GLSL_130_AS_110;
+                       } else {
+                               return false;
+                       }
                }
                if (get_glsl_version() < 1.50f) {
                        movit_shader_model = MOVIT_GLSL_130;