X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect_chain.h;h=1c50b1631ba6c51db2231235b24a1cb33bb2f586;hp=b3e03d593c77209fc0f0a2d9f2379a830fa13256;hb=8eb4f2233b58dd11d276de2db44a8841224e15f5;hpb=4a9b478d0cc333e7b47a766d3d27ffe67c08f15a diff --git a/effect_chain.h b/effect_chain.h index b3e03d5..1c50b16 100644 --- a/effect_chain.h +++ b/effect_chain.h @@ -25,8 +25,15 @@ private: // Identifier used to create unique variables in GLSL. std::string effect_id; + // Logical size of the output of this effect, ie. the resolution + // you would get if you sampled it as a texture. If it is undefined + // (since the inputs differ in resolution), it will be 0x0. + // If both this and output_texture_{width,height} are set, + // they will be equal. + unsigned output_width, output_height; + // If output goes to RTT (otherwise, none of these are set). - // The Phsae pointer is a but ugly; we should probably fix so + // The Phase pointer is a but ugly; we should probably fix so // that Phase takes other phases as inputs, instead of Node. GLuint output_texture; unsigned output_texture_width, output_texture_height; @@ -111,6 +118,10 @@ private: // (aspect_nom/aspect_denom) and returns the new width and height. unsigned fit_rectangle_to_aspect(unsigned width, unsigned height); + // Compute the input sizes for all inputs for all effects in a given phase, + // and inform the effects about the results. + void inform_input_sizes(Phase *phase); + // Determine the preferred output size of a given phase. // Requires that all input phases (if any) already have output sizes set. void find_output_size(Phase *phase);