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depth inversion in rug (used in pentagonal exploration)

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This commit is contained in:
Zeno Rogue 2018-09-03 16:32:11 +02:00
parent 638032c47c
commit 59ff4c2266
2 changed files with 6 additions and 3 deletions
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1
hyper.h
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@ -1225,6 +1225,7 @@ extern eGeometry gwhere;
extern bool no_fog;
extern ld lowrug, hirug, ruggospeed;
extern GLuint alternate_texture;
extern bool invert_depth;
#endif
}

8
rug.cpp
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@ -1264,6 +1264,8 @@ ld lowrug = 1e-2, hirug = 1e3;
GLuint alternate_texture;
bool invert_depth;
void drawRugScene() {
glbuf->use_as_texture();
if(alternate_texture)
@ -1274,16 +1276,16 @@ void drawRugScene() {
else
glhr::colorClear(backcolor << 8 | 0xFF);
#ifdef GLES_ONLY
glClearDepthf(1.0f);
glClearDepthf(invert_depth ? -1.0f : 1.0f);
#else
glClearDepth(1.0f);
glClearDepth(invert_depth ? -1.0f : 1.0f);
#endif
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable(GL_BLEND);
glhr::switch_mode(glhr::gmLightFog);
glhr::set_depthtest(true);
glDepthFunc(GL_LESS);
glDepthFunc(invert_depth ? GL_GREATER : GL_LESS);
for(int ed=stereo::active() && stereo::mode != stereo::sODS ? -1 : 0; ed < 2; ed += 2) {
use_precompute = false;