Fix a double scaling issue in Y'CbCr conversion.

[movit] / demo.cpp

diff --git a/demo.cpp b/demo.cpp
index ba96291f6636f4270fe8714951fff88c6fa0bd8c..dbbb4cba01ca5267413c4f3b56d58c624c84102f 100644 (file)
--- a/demo.cpp
+++ b/demo.cpp
@@ -191,6 +191,9 @@ int main(int argc, char **argv)
        SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 
 #ifdef HAVE_SDL2
+       SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+       SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+       SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
        // SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
        SDL_Window *window = SDL_CreateWindow("OpenGL window",
                SDL_WINDOWPOS_UNDEFINED,
@@ -223,13 +226,6 @@ int main(int argc, char **argv)
        EffectChain chain(WIDTH, HEIGHT);
        glViewport(0, 0, WIDTH, HEIGHT);
 
-       glMatrixMode(GL_PROJECTION);
-       glLoadIdentity();
-       glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0);
-
-       glMatrixMode(GL_MODELVIEW);
-       glLoadIdentity();
-
        ImageFormat inout_format;
        inout_format.color_space = COLORSPACE_sRGB;
        inout_format.gamma_curve = GAMMA_sRGB;
@@ -254,7 +250,8 @@ int main(int argc, char **argv)
        glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, pbo);
        glBufferData(GL_PIXEL_PACK_BUFFER_ARB, WIDTH * HEIGHT * 4, NULL, GL_STREAM_READ);
 
-       make_hsv_wheel_texture();
+       init_hsv_resources();
+       check_error();
 
        int frame = 0;
        bool screenshot = false;
@@ -302,7 +299,6 @@ int main(int argc, char **argv)
                glBindBuffer(GL_PIXEL_PACK_BUFFER_ARB, 0);
                check_error();
 
-               glLoadIdentity();
                draw_hsv_wheel(0.0f, lift_rad, lift_theta, lift_v);
                draw_hsv_wheel(0.2f, gamma_rad, gamma_theta, gamma_v);
                draw_hsv_wheel(0.4f, gain_rad, gain_theta, gain_v);
@@ -361,5 +357,6 @@ int main(int argc, char **argv)
                }
 #endif
        }
+       cleanup_hsv_resources();
        return 0; 
 }