Simplify the refocus shader a bit.

[movit] / flat_input.h

diff --git a/flat_input.h b/flat_input.h
index 9266659596ad8026f7993380c3cf1053a655714f..90c038678f2e429fd775c3770510a0bf4605a9b3 100644 (file)
--- a/flat_input.h
+++ b/flat_input.h
@@ -9,19 +9,26 @@ class FlatInput : public Input {
 public:
        FlatInput(ImageFormat format, MovitPixelFormat pixel_format, unsigned width, unsigned height);
 
+       virtual std::string effect_type_id() const { return "FlatInput"; }
+
        // Create the texture itself. We cannot do this in the constructor,
        // because we don't necessarily know all the settings (sRGB texture,
        // mipmap generation) at that point.
        void finalize();
 
        // TODO: Check that we actually have the required extension.
-       virtual bool can_output_linear_gamma() const { return true; }
+       virtual bool can_output_linear_gamma() const {
+               return (image_format.gamma_curve == GAMMA_LINEAR ||
+                       image_format.gamma_curve == GAMMA_sRGB);
+       }
 
        std::string output_fragment_shader();
 
        // Uploads the texture if it has changed since last time.
        void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num);
 
+       unsigned get_width() const { return width; }
+       unsigned get_height() const { return height; }
        ColorSpace get_color_space() const { return image_format.color_space; }
        GammaCurve get_gamma_curve() const { return image_format.gamma_curve; }