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Fixups to comments and flags for reversed Z rendering

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This commit is contained in:
Levi Burner
2023-09-29 11:34:14 -04:00
parent 2e52bf807b
commit 56403b4dce
9 changed files with 26 additions and 28 deletions
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src/render/render_gl3.c
+6 -7
View File
@@ -601,9 +601,9 @@ static void setView(int view, mjrRect viewport, const mjvScene* scn, const mjrCo
// set projection
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// reverse Z rendering mapping (znear, zfar) -> (1, 0)
glTranslatef(0,0,0.5);
glScalef(1,1,-0.5);
// reverse Z rendering mapping [znear, zfar] -> [1, 0]
glTranslatef(0.0f, 0.0f, 0.5f);
glScalef(1.0f, 1.0f, -0.5f);
glFrustum(cam.frustum_center - halfwidth,
cam.frustum_center + halfwidth,
cam.frustum_bottom,
@@ -682,7 +682,6 @@ void mjr_render(mjrRect viewport, mjvScene* scn, const mjrContext* con) {
0.0f, 0.0f, 1.0f, 0.0f,
0.5f, 0.5f, 0.0f, 1.0f
};
float tempMatrix[16], textureMatrix[16];
mjvGeom *thisgeom, tempgeom;
mjvLight *thislight;
@@ -1030,9 +1029,9 @@ void mjr_render(mjrRect viewport, mjvScene* scn, const mjrContext* con) {
// set projection: from light viewpoint
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// reverse Z rendering mapping (znear, zfar) -> (1, 0)
glTranslatef(0,0,0.5);
glScalef(1,1,-0.5);
// reverse Z rendering mapping [znear, zfar] -> [1, 0]
glTranslatef(0.0f, 0.0f, 0.5f);
glScalef(1.0f , 1.0f, -0.5f);
if (thislight->directional) {
glOrtho(-con->shadowClip, con->shadowClip,
-con->shadowClip, con->shadowClip,