X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Ffeatures.cpp;h=943f3b06fb8080b04defa5f807219b32ab404f4c;hp=73c95b0fd3cf9248c1499c4e9c129382eb4b9912;hb=38712d8ecc57d043a2419ffbaeeb57f7a6586f14;hpb=8f2713a3f1501e90016bb8069ecd08dde2f90e56

diff --git a/source/glsl/features.cpp b/source/glsl/features.cpp
index 73c95b0f..943f3b06 100644
--- a/source/glsl/features.cpp
+++ b/source/glsl/features.cpp
@@ -1,65 +1,32 @@
-#include <msp/gl/extensions/arb_enhanced_layouts.h>
-#include <msp/gl/extensions/arb_explicit_attrib_location.h>
-#include <msp/gl/extensions/arb_explicit_uniform_location.h>
-#include <msp/gl/extensions/arb_gpu_shader5.h>
-#include <msp/gl/extensions/arb_separate_shader_objects.h>
-#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 {
 namespace GL {
 namespace SL {
 
-Features::Features():
-	gl_api(OPENGL),
-	arb_enhanced_layouts(false),
-	arb_explicit_attrib_location(false),
-	arb_explicit_uniform_location(false),
-	arb_gpu_shader5(false),
-	arb_separate_shader_objects(false),
-	arb_uniform_buffer_object(false),
-	ext_gpu_shader4(false),
-	ext_texture_array(false),
-	constant_id_range(0x80000000U),
-	uniform_binding_range(84),
-	texture_binding_range(96)
-{ }
-
-Features Features::from_context()
+Features Features::from_version(const Version &ver)
 {
 	Features features;
-	features.gl_api = get_gl_api();
-	features.glsl_version = get_glsl_version();
-	features.arb_enhanced_layouts = ARB_enhanced_layouts;
-	features.arb_explicit_attrib_location = ARB_explicit_attrib_location;
-	features.arb_explicit_uniform_location = ARB_explicit_uniform_location;
-	features.arb_gpu_shader5 = ARB_gpu_shader5;
-	features.arb_separate_shader_objects = ARB_separate_shader_objects;
-	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);
+	features.target_api = OPENGL;
+	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::all()
+Features Features::latest()
 {
-	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;
-	return features;
+	return from_version(Version(4, 60));
 }
 
 } // namespace SL