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Use Reverse Z for the depth buffer

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This commit is contained in:
Khasehemwy
2024-02-14 21:39:39 +08:00
committed by Rémi Verschelde
parent f47f4a02c8
commit d950f5f838
32 changed files with 121 additions and 89 deletions
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7
core/math/projection.cpp
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@ -719,7 +719,8 @@ Projection Projection::operator*(const Projection &p_matrix) const {
return new_matrix;
}
void Projection::set_depth_correction(bool p_flip_y) {
void Projection::set_depth_correction(bool p_flip_y, bool p_reverse_z, bool p_remap_z) {
// p_remap_z is used to convert from OpenGL-style clip space (-1 - 1) to Vulkan style (0 - 1).
real_t *m = &columns[0][0];
m[0] = 1;
@ -732,11 +733,11 @@ void Projection::set_depth_correction(bool p_flip_y) {
m[7] = 0.0;
m[8] = 0.0;
m[9] = 0.0;
m[10] = 0.5;
m[10] = p_remap_z ? (p_reverse_z ? -0.5 : 0.5) : (p_reverse_z ? -1.0 : 1.0);
m[11] = 0.0;
m[12] = 0.0;
m[13] = 0.0;
m[14] = 0.5;
m[14] = p_remap_z ? 0.5 : 0.0;
m[15] = 1.0;
}