MovitDebugLevel movit_debug_level = MOVIT_DEBUG_ON;
float movit_texel_subpixel_precision;
bool movit_srgb_textures_supported;
+bool movit_timer_queries_supported;
int movit_num_wrongly_rounded;
bool movit_shader_rounding_supported;
MovitShaderModel movit_shader_model;
movit_shader_rounding_supported =
(epoxy_gl_version() >= 30 || epoxy_has_gl_extension("GL_EXT_gpu_shader4"));
+ // The user can specify that they want a timing report for each
+ // phase in an effect chain. However, that depends on this extension;
+ // without it, we do cannot even create the query objects.
+ movit_timer_queries_supported =
+ (epoxy_gl_version() >= 33 || epoxy_has_gl_extension("GL_ARB_timer_query"));
+
return true;
}
}
// Find out what shader model we should compile for.
+ // We need at least 1.30, due to use of (among others) integers.
if (epoxy_is_desktop_gl()) {
- if (get_glsl_version() >= 1.30) {
+ 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() < 1.50f) {
movit_shader_model = MOVIT_GLSL_130;
} else {
- movit_shader_model = MOVIT_GLSL_110;
+ // Note: All of our 1.50 shaders are identical to our 1.30 shaders,
+ // but OS X does not support 1.30; only 1.10 (which we don't support
+ // anymore) and 1.50 (and then only with core contexts). So we keep
+ // a second set of shaders around whose only difference is the different
+ // #version declaration.
+ movit_shader_model = MOVIT_GLSL_150;
}
} else {
movit_shader_model = MOVIT_ESSL_300;