Redesign depth and stencil test and blend state management

[libs/gl.git] / tools / viewer.cpp

diff --git a/tools/viewer.cpp b/tools/viewer.cpp
index 05f85de2430c5f2854ac40c9fc6e2015d6d48a64..2c950e18e2acc22714ee9d3030ed7467371a0fe0 100644 (file)
--- a/tools/viewer.cpp
+++ b/tools/viewer.cpp
@@ -16,15 +16,17 @@
 #include <msp/gl/lighting.h>
 #include <msp/gl/mesh.h>
 #include <msp/gl/object.h>
-#include <msp/gl/pipeline.h>
+#include <msp/gl/sequence.h>
+#include <msp/gl/sequencebuilder.h>
+#include <msp/gl/sequencetemplate.h>
 #include <msp/gl/renderer.h>
 #include <msp/gl/resources.h>
 #include <msp/gl/simplescene.h>
 #include <msp/gl/technique.h>
-#include <msp/gl/tests.h>
 #include <msp/gl/windowview.h>
 #include <msp/input/mouse.h>
 #include <msp/io/print.h>
+#include <msp/strings/regex.h>
 #include <msp/time/timestamp.h>
 #include <msp/time/utils.h>
 
@@ -39,6 +41,8 @@ private:
                list<string> resource_locations;
                string animation_name;
                string renderable_name;
+               Graphics::WindowOptions wnd_opts;
+               Graphics::GLOptions gl_opts;
 
                Options(int, char **);
        };
@@ -57,11 +61,13 @@ private:
        };
 
        Options opts;
-       Graphics::SimpleGLWindow window;
+       Graphics::Display display;
+       Graphics::Window window;
+       Graphics::GLContext gl_ctx;
        Input::Mouse mouse;
        Resources resources;
        GL::WindowView view;
-       GL::Pipeline pipeline;
+       GL::Sequence *sequence;
        GL::Renderable *renderable;
        GL::AnimatedObject *anim_object;
        GL::AnimationPlayer *anim_player;
@@ -99,19 +105,37 @@ private:
 
 Viewer::Options::Options(int argc, char **argv)
 {
+       string window_size;
+
        GetOpt getopt;
        getopt.add_option('r', "resources", resource_locations, GetOpt::REQUIRED_ARG);
        getopt.add_option('a', "animation", animation_name, GetOpt::REQUIRED_ARG);
+       getopt.add_option('w', "window-size", window_size, GetOpt::REQUIRED_ARG);
        getopt.add_argument("renderable", renderable_name);
        getopt(argc, argv);
+
+       wnd_opts.width = 1024;
+       wnd_opts.height = 768;
+       if (!window_size.empty())
+       {
+               RegMatch m = Regex("^([1-9][0-9]*)x([1-9][0-9]*)$").match(window_size);
+               if(!m)
+                       throw usage_error("Invalid window size");
+
+               wnd_opts.width = lexical_cast<unsigned>(m[1].str);
+               wnd_opts.height = lexical_cast<unsigned>(m[2].str);
+       }
+       gl_opts.gl_version_major = Graphics::GLOptions::LATEST_VERSION;
+       gl_opts.core_profile = true;
 }
 
 Viewer::Viewer(int argc, char **argv):
        opts(argc, argv),
-       window(1024, 768, false),
+       window(display, opts.wnd_opts),
+       gl_ctx(window, opts.gl_opts),
        mouse(window),
-       view(window, window.get_gl_context()),
-       pipeline(view),
+       view(window, gl_ctx),
+       sequence(0),
        renderable(0),
        anim_object(0),
        anim_player(0),
@@ -165,9 +189,22 @@ Viewer::Viewer(int argc, char **argv):
                renderable = load<GL::Object>(opts.renderable_name);
        else if(ext==".scene")
        {
-               GL::SimpleScene *scene = new GL::SimpleScene;
-               DataFile::load(*scene, opts.renderable_name, resources);
-               renderable = scene;
+               if(FS::exists(opts.renderable_name))
+               {
+                       GL::Scene::GenericLoader ldr(resources);
+                       IO::BufferedFile in(opts.renderable_name);
+                       DataFile::Parser parser(in, opts.renderable_name);
+                       ldr.load(parser);
+                       renderable = ldr.get_scene();
+               }
+               else
+                       renderable = &resources.get<GL::Scene>(opts.renderable_name);
+       }
+       else if(ext==".seq")
+       {
+               GL::SequenceTemplate *tmpl = load<GL::SequenceTemplate>(opts.renderable_name);
+               GL::SequenceBuilder bld(*tmpl);
+               sequence = bld.build(view);
        }
        else
                throw usage_error("Unknown renderable type");
@@ -190,17 +227,21 @@ Viewer::Viewer(int argc, char **argv):
        mouse.signal_axis_motion.connect(sigc::bind_return(sigc::mem_fun(this, &Viewer::axis_motion), false));
 
        light.set_position(GL::Vector4(0, 0, 1, 0));
-       lighting.attach(0, light);
+       lighting.attach(light);
 
        camera.set_up_direction(GL::Vector3(0, 0, 1));
        update_camera();
 
-       GL::Pipeline::Pass &pass = pipeline.add_pass(0, *renderable);
-       pass.set_lighting(&lighting);
-       pass.set_depth_test(&GL::DepthTest::lequal());
-       pass.set_blend(&GL::Blend::alpha());
+       if(!sequence)
+       {
+               sequence = new GL::Sequence(view);
+               GL::Sequence::Step &step = sequence->add_step(0, *renderable);
+               step.set_lighting(&lighting);
+               step.set_depth_test(GL::LEQUAL);
+               step.set_blend(GL::Blend(GL::SRC_ALPHA, GL::ONE_MINUS_SRC_ALPHA));
+       }
 
-       view.set_content(&pipeline);
+       view.set_content(sequence);
        view.set_camera(&camera);
 }
 
@@ -222,6 +263,7 @@ Viewer::~Viewer()
 {
        delete anim_player;
        delete anim_object;
+       delete sequence;
 }
 
 int Viewer::main()
@@ -243,7 +285,7 @@ void Viewer::tick()
                anim_player->tick(dt);
        }
 
-       window.tick();
+       display.tick();
        view.render();
 }