Docmuent the GLEW requirement.

[movit] / demo.cpp

diff --git a/demo.cpp b/demo.cpp
index 2243f2dd702b90419ef491963636c6508c76b669..02c923c4dba60c6a814ca9a990e56b270705e4eb 100644 (file)
--- a/demo.cpp
+++ b/demo.cpp
@@ -14,6 +14,8 @@
 #include <vector>
 #include <map>
 
+#include <GL/glew.h>
+
 #include <SDL/SDL.h>
 #include <SDL/SDL_opengl.h>
 #include <SDL/SDL_image.h>
@@ -22,7 +24,6 @@
 #include "effect.h"
 #include "effect_chain.h"
 #include "util.h"
-#include "opengl.h"
 #include "widgets.h"
 
 #include "flat_input.h"
@@ -154,12 +155,12 @@ int main(int argc, char **argv)
        SDL_SetVideoMode(WIDTH, HEIGHT, 0, SDL_OPENGL);
        SDL_WM_SetCaption("OpenGL window", NULL);
 
-       init_movit();
+       init_movit(".", MOVIT_DEBUG_ON);
        printf("GPU texture subpixel precision: about %.1f bits\n",
                log2(1.0f / movit_texel_subpixel_precision));
        
        unsigned img_w, img_h;
-       unsigned char *src_img = load_image("blg_wheels_woman_1.jpg", &img_w, &img_h);
+       unsigned char *src_img = load_image(argc > 1 ? argv[1] : "blg_wheels_woman_1.jpg", &img_w, &img_h);
 
        EffectChain chain(WIDTH, HEIGHT);
        glViewport(0, 0, WIDTH, HEIGHT);
@@ -178,6 +179,7 @@ int main(int argc, char **argv)
        //sandbox_effect->set_float("parm", 42.0f);
        //chain.add_effect(new MirrorEffect());
        chain.add_output(inout_format);
+       chain.set_dither_bits(8);
        chain.finalize();
 
        // generate a PBO to hold the data we read back with glReadPixels()
@@ -222,8 +224,8 @@ int main(int argc, char **argv)
                //vignette_effect->set_float("inner_radius", inner_radius);
                //vignette_effect->set_vec2("center", (float[]){ 0.7f, 0.5f });
 
-               diffusion_effect->set_float("radius", blur_radius);
-               diffusion_effect->set_float("blurred_mix_amount", blurred_mix_amount);
+               CHECK(diffusion_effect->set_float("radius", blur_radius));
+               CHECK(diffusion_effect->set_float("blurred_mix_amount", blurred_mix_amount));
 
                input->set_pixel_data(src_img);
                chain.render_to_screen();