2 #define _FLAT_INPUT_H 1
6 // A FlatInput is the normal, “classic” case of an input, where everything
7 // comes from a single 2D array with chunky pixels.
8 class FlatInput : public Input {
10 FlatInput(ImageFormat format, MovitPixelFormat pixel_format, unsigned width, unsigned height);
12 // Create the texture itself. We cannot do this in the constructor,
13 // because we don't necessarily know all the settings (sRGB texture,
14 // mipmap generation) at that point.
17 // TODO: Check that we actually have the required extension.
18 virtual bool can_output_linear_gamma() const { return true; }
20 std::string output_fragment_shader();
22 // Uploads the texture if it has changed since last time.
23 void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num);
25 ColorSpace get_color_space() const { return image_format.color_space; }
26 GammaCurve get_gamma_curve() const { return image_format.gamma_curve; }
28 // Tells the input where to fetch the actual pixel data. Note that if you change
29 // this data, you must either call set_pixel_data() again (using the same pointer
30 // is fine), or invalidate_pixel_data(). Otherwise, the texture won't be re-uploaded
31 // on subsequent frames.
32 void set_pixel_data(const unsigned char *pixel_data)
34 this->pixel_data = pixel_data;
35 invalidate_pixel_data();
38 void invalidate_pixel_data()
43 const unsigned char *get_pixel_data() const
48 void set_pitch(unsigned pitch) {
53 unsigned get_pitch() {
58 ImageFormat image_format;
59 MovitPixelFormat pixel_format;
61 GLuint pbo, texture_num;
62 bool needs_update, finalized;
63 int output_linear_gamma, needs_mipmaps;
64 unsigned width, height, pitch, bytes_per_pixel;
65 const unsigned char *pixel_data;
68 #endif // !defined(_FLAT_INPUT_H)