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authorRobert Ellison <papillo@tungstengraphics.com>2008-11-11 13:57:10 -0700
committerRobert Ellison <papillo@tungstengraphics.com>2008-11-11 13:57:10 -0700
commit90027f85786406133a5180998a75fb612b6a221e (patch)
tree595a268f7be19e2e763855b22a66efb0566123d2 /progs/tests
parent2b66417402bc595be301ab9ed7b9ea2a5f79e180 (diff)
CELL: two-sided stencil fixes
With these changes, the tests/stencil_twoside test now works. - Eliminate blending from the stencil_twoside test, as it produces an unneeded dependency on having blending working - The spe_splat() function will now work if the register being splatted and the destination register are the same - Separate fragment code generated for front-facing and back-facing fragments. Often these are the same; if two-sided stenciling is on, they can be different. This is easier and faster than generating code that does both tests and merges the results. - Fixed a cut/paste bug where if the back Z-pass stencil operation were different from all the other operations, the back Z-fail results were incorrect.
Diffstat (limited to 'progs/tests')
-rw-r--r--progs/tests/stencil_twoside.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/progs/tests/stencil_twoside.c b/progs/tests/stencil_twoside.c
index be9d9a776ad..8826c46fc26 100644
--- a/progs/tests/stencil_twoside.c
+++ b/progs/tests/stencil_twoside.c
@@ -115,7 +115,6 @@ static void Display( void )
glVertex2f(-1, 1);
glEnd();
-
if (use20syntax) {
stencil_func_separate(GL_FRONT, GL_ALWAYS, 0, ~0);
stencil_func_separate(GL_BACK, GL_ALWAYS, 0, ~0);
@@ -279,7 +278,6 @@ static void Init( void )
stencil_op_separate = glutGetProcAddress( "glStencilOpSeparate" );
printf("\nAll 5 squares should be the same color.\n");
- glEnable( GL_BLEND );
}