things are even *less* broken if we undo the perspecive divide proper

2013-11-23 11:31:58 +11:00 · 2013-11-23 11:31:58 +11:00 · 06f324848d
parent fa46a9eaa5
commit 06f324848d
1 changed files with 3 additions and 1 deletions
--- a/hw/xbox/nv2a_vsh.c
+++ b/hw/xbox/nv2a_vsh.c
@ -682,7 +682,9 @@ QString* vsh_translate(uint16_t version,
        "RCP R1.z, R1.z;\n"

        "MUL R12.xyz, R12, R1;\n"
-        "MOV R12.w, 1;\n"
+
+        /* undo the perspective divide */
+        "MUL R12.xyz, R12, R12.w;\n"

        /* Z coord [0;1]->[-1;1] mapping, see comment in transform_projection
         * in state.c