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-rw-r--r--source/blender/draw/intern/draw_manager_data.c7
-rw-r--r--source/blender/gpu/intern/gpu_matrix.cc12
2 files changed, 6 insertions, 13 deletions
diff --git a/source/blender/draw/intern/draw_manager_data.c b/source/blender/draw/intern/draw_manager_data.c
index 2126385a352..af331c86a8b 100644
--- a/source/blender/draw/intern/draw_manager_data.c
+++ b/source/blender/draw/intern/draw_manager_data.c
@@ -1533,13 +1533,6 @@ static void draw_frustum_boundbox_calc(const float (*viewinv)[4],
projmat_dimensions(projmat, &left, &right, &bottom, &top, &near, &far);
- if (is_persp) {
- left *= near;
- right *= near;
- bottom *= near;
- top *= near;
- }
-
r_bbox->vec[0][2] = r_bbox->vec[3][2] = r_bbox->vec[7][2] = r_bbox->vec[4][2] = -near;
r_bbox->vec[0][0] = r_bbox->vec[3][0] = left;
r_bbox->vec[4][0] = r_bbox->vec[7][0] = right;
diff --git a/source/blender/gpu/intern/gpu_matrix.cc b/source/blender/gpu/intern/gpu_matrix.cc
index 6eb9cb823d5..efa04568401 100644
--- a/source/blender/gpu/intern/gpu_matrix.cc
+++ b/source/blender/gpu/intern/gpu_matrix.cc
@@ -532,17 +532,17 @@ static void gpu_mul_invert_projmat_m4_unmapped_v3_with_precalc(
const struct GPUMatrixUnproject_Precalc *precalc, float co[3])
{
/* 'precalc->dims' is the result of 'projmat_dimensions(proj, ...)'. */
- co[0] = precalc->dims.xmin + co[0] * (precalc->dims.xmax - precalc->dims.xmin);
- co[1] = precalc->dims.ymin + co[1] * (precalc->dims.ymax - precalc->dims.ymin);
+ co[0] = (float)scalenormd(precalc->dims.xmin, precalc->dims.xmax, co[0]);
+ co[1] = (float)scalenormd(precalc->dims.ymin, precalc->dims.ymax, co[1]);
if (precalc->is_persp) {
- co[2] = precalc->dims.zmax * precalc->dims.zmin /
+ co[2] = (precalc->dims.zmax * precalc->dims.zmin) /
(precalc->dims.zmax + co[2] * (precalc->dims.zmin - precalc->dims.zmax));
- co[0] *= co[2];
- co[1] *= co[2];
+ co[0] *= co[2] / precalc->dims.zmin;
+ co[1] *= co[2] / precalc->dims.zmin;
}
else {
- co[2] = precalc->dims.zmin + co[2] * (precalc->dims.zmax - precalc->dims.zmin);
+ co[2] = (float)scalenormd(precalc->dims.zmin, precalc->dims.zmax, co[2]);
}
co[2] *= -1;
}