void fdrawcheckerboard(float x1, float y1, float x2, float y2)
{
unsigned char col1[4] = {40, 40, 40}, col2[4] = {50, 50, 50};
glColor3ubv(col1);
glRectf(x1, y1, x2, y2);
glColor3ubv(col2);
GPU_basic_shader_bind(GPU_SHADER_STIPPLE | GPU_SHADER_USE_COLOR);
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_CHECKER_8PX);
glRectf(x1, y1, x2, y2);
GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
}
static void wm_method_draw_stereo3d_interlace(wmWindow *win)
{
wmDrawData *drawdata;
int view;
bool flag;
bool swap = (win->stereo3d_format->flag & S3D_INTERLACE_SWAP) != 0;
enum eStereo3dInterlaceType interlace_type = win->stereo3d_format->interlace_type;
for (view = 0; view < 2; view ++) {
flag = swap ? !view : view;
drawdata = BLI_findlink(&win->drawdata, (view * 2) + 1);
GPU_basic_shader_bind(GPU_SHADER_STIPPLE);
switch (interlace_type) {
case S3D_INTERLACE_ROW:
if (flag)
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_S3D_INTERLACE_ROW_SWAP);
else
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_S3D_INTERLACE_ROW);
break;
case S3D_INTERLACE_COLUMN:
if (flag)
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_S3D_INTERLACE_COLUMN_SWAP);
else
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_S3D_INTERLACE_COLUMN);
break;
case S3D_INTERLACE_CHECKERBOARD:
default:
if (flag)
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_S3D_INTERLACE_CHECKER_SWAP);
else
GPU_basic_shader_stipple(GPU_SHADER_STIPPLE_S3D_INTERLACE_CHECKER);
break;
}
wm_triple_draw_textures(win, drawdata->triple, 1.0f, true);
GPU_basic_shader_bind(GPU_SHADER_USE_COLOR);
}
interlace_prev_type = interlace_type;
interlace_prev_swap = swap;
}
