swillits

static const char* YUYV_VS = ""
  "#version 150\n"
  "uniform mat4 u_pm;"
  "uniform mat4 u_mm;"
  "in vec4 a_pos;"
  "in vec2 a_tex;"
  "out vec2 v_tex;"

  "void main() {"
  " gl_Position = u_pm * u_mm * a_pos; "

swillits

#import <Foundation/Foundation.h>

void eachrow(size_t total, size_t nrows, size_t ncols, char const*** rows, BOOL(^cb)(size_t i, size_t ncols, char const **row, size_t *lengths))
{
    size_t lengths[ncols];
    for (size_t k = 0; k < total; ++k)
    {
        size_t i = k % nrows;
        for (size_t j = 0; j < ncols; ++j)
        {