sdl-opengl-test: set the project matrix to 2d mode

1 files changed, 11 insertions, 18 deletions

diff --git a/src/sdl-opengl-test.c b/src/sdl-opengl-test.c
index b2c37e1..c483dd4 100644
--- a/src/sdl-opengl-test.c
+++ b/src/sdl-opengl-test.c
@@ -17,7 +17,7 @@ main(int argc, char *argv[])
     Uint32 videoflags;
     int done;
     SDL_Event event;
-    float alpha, step, ux, uy;
+    float alpha, step;
     sdl_freetype_font_t * font;
     sdl_freetype_glyph_render_t * render;
     sdl_freetype_text_extents_t extents;
@@ -35,26 +35,25 @@ main(int argc, char *argv[])
     if (!screen)
         goto errquit0;
 
-    font = sdl_ft_create_font ("sans", 20, 
+    font = sdl_ft_create_font ("sans", 20,
                                SDL_FT_WEIGHT_NORMAL, SDL_FT_SLANT_NORMAL, 96);
     if (!font)
         goto errquit0;
 
-    ux = 1.0 / 320;
-    uy = 1.0 / 240;
     render = sdl_freetype_opengl_render_create ();
     if (!render)
         goto errquit1;
-    sdl_freetype_opengl_render_set_unit_scale (render, ux, uy);
     sdl_freetype_font_set_render (font, render);
 
+    glMatrixMode (GL_PROJECTION) ;
+    glLoadIdentity ();
+    glOrtho (0, 640, 480, 0, -1.0, 1.0);
+
+    glMatrixMode (GL_MODELVIEW);
+    glLoadIdentity ();
+
     glEnable (GL_TEXTURE_2D);
-    glShadeModel (GL_SMOOTH);
     glClearColor (0.8f, 0.8f, 0.8f, 0.0f);
-    glClearDepth (1.0f); 
-    glEnable (GL_DEPTH_TEST);
-    glDepthFunc (GL_LEQUAL);
-    glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 
     alpha = 1.0f;
     step = -0.01;
@@ -76,16 +75,10 @@ main(int argc, char *argv[])
         }
 
         glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
-        glLoadIdentity ();
-
-        glEnable (GL_BLEND);
-        glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 
-        glScalef (alpha + 1.0, alpha + 1.0, 1.0);
-        glRotatef (alpha * 360, 1.0, 1.0, 0);
         sdl_freetype_font_utf8_extents (font, &extents, TEXT, -1);
-        glTranslatef (-extents.width * ux / 2 - extents.x_bearing * ux,
-                      -extents.height * uy / 2 + extents.y_bearing * uy, 0);
+        glTranslatef ((640 - extents.width) / 2 - extents.x_bearing,
+                      (480 - extents.height) / 2 + extents.y_bearing, 0);
         sdl_freetype_font_show_utf8 (font, NULL, 255, 0, 0, alpha * 255,
                                      0, 0, TEXT, -1);