Add an assert saying that if an input has premultiplied alpha, it must also have...

[movit] / demo.cpp

diff --git a/demo.cpp b/demo.cpp
index f5434cc1dd5d40f293bd9b9ec2d5c21534e9b812..5fec3fcee6008df87668a60253541f1083210dd8 100644 (file)
--- a/demo.cpp
+++ b/demo.cpp
@@ -155,7 +155,7 @@ 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));
        
@@ -169,7 +169,7 @@ int main(int argc, char **argv)
        inout_format.color_space = COLORSPACE_sRGB;
        inout_format.gamma_curve = GAMMA_sRGB;
 
-       FlatInput *input = new FlatInput(inout_format, FORMAT_BGRA, GL_UNSIGNED_BYTE, img_w, img_h);
+       FlatInput *input = new FlatInput(inout_format, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, GL_UNSIGNED_BYTE, img_w, img_h);
        chain.add_input(input);
        Effect *lift_gamma_gain_effect = chain.add_effect(new LiftGammaGainEffect());
        Effect *saturation_effect = chain.add_effect(new SaturationEffect());
@@ -178,7 +178,7 @@ int main(int argc, char **argv)
        //Effect *sandbox_effect = chain.add_effect(new SandboxEffect());
        //sandbox_effect->set_float("parm", 42.0f);
        //chain.add_effect(new MirrorEffect());
-       chain.add_output(inout_format);
+       chain.add_output(inout_format, OUTPUT_ALPHA_POSTMULTIPLIED);
        chain.set_dither_bits(8);
        chain.finalize();