#include <msp/gl/extensions/arb_uniform_buffer_object.h>
#include <msp/gl/extensions/ext_gpu_shader4.h>
#include <msp/gl/extensions/ext_texture_array.h>
+#include <msp/gl/misc.h>
#include "features.h"
namespace Msp {
arb_uniform_buffer_object(false),
ext_gpu_shader4(false),
ext_texture_array(false),
- constant_id_range(0x80000000U)
+ constant_id_range(0x80000000U),
+ uniform_binding_range(84),
+ texture_binding_range(96)
{ }
Features Features::from_context()
features.arb_uniform_buffer_object = ARB_uniform_buffer_object;
features.ext_gpu_shader4 = EXT_gpu_shader4;
features.ext_texture_array = EXT_texture_array;
+ features.uniform_binding_range = get_i(GL_MAX_UNIFORM_BUFFER_BINDINGS);
+ features.texture_binding_range = get_i(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS);
return features;
}
-Features Features::all()
+Features Features::from_version(const Version &ver)
{
Features features;
features.gl_api = OPENGL;
- features.glsl_version = Version(4, 60);
- features.arb_enhanced_layouts = true;
- features.arb_explicit_attrib_location = true;
- features.arb_explicit_uniform_location = true;
- features.arb_gpu_shader5 = true;
- features.arb_separate_shader_objects = true;
- features.arb_uniform_buffer_object = true;
- features.ext_gpu_shader4 = true;
- features.ext_texture_array = true;
+ features.glsl_version = ver;
+ features.arb_enhanced_layouts = (ver>=Version(4, 40));
+ features.arb_explicit_attrib_location = (ver>=Version(1, 30));
+ features.arb_explicit_uniform_location = (ver>=Version(4, 30));
+ features.arb_gpu_shader5 = (ver>=Version(4, 0));
+ features.arb_separate_shader_objects = (ver>=Version(4, 10));
+ features.arb_uniform_buffer_object = (ver>=Version(1, 50));
+ features.ext_gpu_shader4 = (ver>=Version(1, 20));
+ features.ext_texture_array = (ver>=Version(1, 30));
+ features.uniform_binding_range = (ver>=Version(4, 30) ? 84 : ver>=Version(4, 0) ? 60 :
+ ver>=Version(3, 30) ? 36 : 24);
+ features.texture_binding_range = (ver>=Version(4, 30) ? 96 : ver>=Version(4, 0) ? 80 :
+ ver>=Version(1, 50) ? 48 : ver>=Version(1, 40) ? 32 : 16);
return features;
}
+Features Features::latest()
+{
+ return from_version(Version(4, 60));
+}
+
} // namespace SL
} // namespace GL
} // namespace Msp