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-rw-r--r--progs/trivial/tri-stencil.c13
-rw-r--r--src/gallium/drivers/cell/ppu/cell_gen_fragment.c25
-rw-r--r--src/gallium/drivers/cell/spu/spu_command.c3
-rw-r--r--src/gallium/drivers/cell/spu/spu_main.h3
-rw-r--r--src/gallium/drivers/cell/spu/spu_render.c4
-rw-r--r--src/gallium/drivers/cell/spu/spu_tri.c2
6 files changed, 35 insertions, 15 deletions
diff --git a/progs/trivial/tri-stencil.c b/progs/trivial/tri-stencil.c
index 5edbef26ce..7686e16aef 100644
--- a/progs/trivial/tri-stencil.c
+++ b/progs/trivial/tri-stencil.c
@@ -49,7 +49,15 @@ static void Key(unsigned char key, int x, int y)
switch (key) {
case 27:
+ printf("Exiting...\n");
exit(1);
+ case 'r':
+ printf("Redisplaying...\n");
+ glutPostRedisplay();
+ break;
+ default:
+ printf("No such key '%c'...\n", key);
+ break;
}
}
@@ -89,7 +97,7 @@ static void Draw(void)
glEnd();
#endif
-#if 0
+#if 1
glStencilFunc(GL_EQUAL, 1, 1);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
@@ -130,7 +138,8 @@ int main(int argc, char **argv)
exit(1);
}
- glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
+ glutInitWindowPosition(0, 0);
+ glutInitWindowSize( 300, 300);
type = GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH | GLUT_STENCIL;
glutInitDisplayMode(type);
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
index 4e1e53ecdc..8e4dd82404 100644
--- a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
+++ b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
@@ -1282,7 +1282,7 @@ gen_stencil_values(struct spe_function *f, unsigned int stencil_op,
/* Add Word Immediate computes rT = rA + 10-bit signed immediate */
spe_ai(f, newS_reg, fbS_reg, 1);
/* Select from the current value or the new value based on the equality test */
- spe_selb(f, newS_reg, fbS_reg, newS_reg, equals_reg);
+ spe_selb(f, newS_reg, newS_reg, fbS_reg, equals_reg);
spe_release_register(f, equals_reg);
break;
@@ -1295,7 +1295,7 @@ gen_stencil_values(struct spe_function *f, unsigned int stencil_op,
/* Add Word Immediate with a (-1) value works */
spe_ai(f, newS_reg, fbS_reg, -1);
/* Select from the current value or the new value based on the equality test */
- spe_selb(f, newS_reg, fbS_reg, newS_reg, equals_reg);
+ spe_selb(f, newS_reg, newS_reg, fbS_reg, equals_reg);
spe_release_register(f, equals_reg);
break;
@@ -1534,15 +1534,28 @@ gen_stencil_depth_test(struct spe_function *f,
* meaning that we have to calculate the stencil values but do not
* need to mask them), we can avoid generating code. Don't forget
* that we need to consider backfacing stencil, if enabled.
+ *
+ * Note that if the backface stencil is *not* enabled, the backface
+ * stencil will have the same values as the frontface stencil.
*/
- if (dsa->stencil[0].write_mask == 0x0 && (!dsa->stencil[1].enabled || dsa->stencil[1].write_mask == 0x00)) {
- /* Trivial: don't need to calculate stencil values, and don't need to
- * write them back to the framebuffer.
+ if (dsa->stencil[0].fail_op == PIPE_STENCIL_OP_KEEP &&
+ dsa->stencil[0].zfail_op == PIPE_STENCIL_OP_KEEP &&
+ dsa->stencil[0].zpass_op == PIPE_STENCIL_OP_KEEP &&
+ dsa->stencil[1].fail_op == PIPE_STENCIL_OP_KEEP &&
+ dsa->stencil[1].zfail_op == PIPE_STENCIL_OP_KEEP &&
+ dsa->stencil[1].zpass_op == PIPE_STENCIL_OP_KEEP) {
+ /* No changes to any stencil values */
+ need_to_calculate_stencil_values = false;
+ need_to_writemask_stencil_values = false;
+ }
+ else if (dsa->stencil[0].write_mask == 0x0 && dsa->stencil[1].write_mask == 0x0) {
+ /* All changes are writemasked out, so no need to calculate
+ * what those changes might be, and no need to write anything back.
*/
need_to_calculate_stencil_values = false;
need_to_writemask_stencil_values = false;
}
- else if (dsa->stencil[0].write_mask == 0xff && (!dsa->stencil[1].enabled || dsa->stencil[1].write_mask == 0xff)) {
+ else if (dsa->stencil[0].write_mask == 0xff && dsa->stencil[1].write_mask == 0xff) {
/* Still trivial, but a little less so. We need to write the stencil
* values, but we don't need to mask them.
*/
diff --git a/src/gallium/drivers/cell/spu/spu_command.c b/src/gallium/drivers/cell/spu/spu_command.c
index 63818d4c46..d726622d94 100644
--- a/src/gallium/drivers/cell/spu/spu_command.c
+++ b/src/gallium/drivers/cell/spu/spu_command.c
@@ -244,8 +244,7 @@ cmd_state_fragment_ops(const struct cell_command_fragment_ops *fops)
}
}
- spu.read_depth = spu.depth_stencil_alpha.depth.enabled;
- spu.read_stencil = spu.depth_stencil_alpha.stencil[0].enabled;
+ spu.read_depth_stencil = (spu.depth_stencil_alpha.depth.enabled || spu.depth_stencil_alpha.stencil[0].enabled);
}
diff --git a/src/gallium/drivers/cell/spu/spu_main.h b/src/gallium/drivers/cell/spu/spu_main.h
index 668af10be2..692790c9f3 100644
--- a/src/gallium/drivers/cell/spu/spu_main.h
+++ b/src/gallium/drivers/cell/spu/spu_main.h
@@ -160,8 +160,7 @@ struct spu_global
tile_t ztile ALIGN16_ATTRIB;
/** Read depth/stencil tiles? */
- boolean read_depth;
- boolean read_stencil;
+ boolean read_depth_stencil;
/** Current tiles' status */
ubyte cur_ctile_status, cur_ztile_status;
diff --git a/src/gallium/drivers/cell/spu/spu_render.c b/src/gallium/drivers/cell/spu/spu_render.c
index 5515bb55c9..7c225e2f27 100644
--- a/src/gallium/drivers/cell/spu/spu_render.c
+++ b/src/gallium/drivers/cell/spu/spu_render.c
@@ -98,7 +98,7 @@ my_tile(uint tx, uint ty)
static INLINE void
get_cz_tiles(uint tx, uint ty)
{
- if (spu.read_depth) {
+ if (spu.read_depth_stencil) {
if (spu.cur_ztile_status != TILE_STATUS_CLEAR) {
//printf("SPU %u: getting Z tile %u, %u\n", spu.init.id, tx, ty);
get_tile(tx, ty, &spu.ztile, TAG_READ_TILE_Z, 1);
@@ -153,7 +153,7 @@ static INLINE void
wait_put_cz_tiles(void)
{
wait_on_mask(1 << TAG_WRITE_TILE_COLOR);
- if (spu.read_depth) {
+ if (spu.read_depth_stencil) {
wait_on_mask(1 << TAG_WRITE_TILE_Z);
}
}
diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c
index 4caf7d6b61..5f908159bb 100644
--- a/src/gallium/drivers/cell/spu/spu_tri.c
+++ b/src/gallium/drivers/cell/spu/spu_tri.c
@@ -369,7 +369,7 @@ flush_spans(void)
}
ASSERT(spu.cur_ctile_status != TILE_STATUS_DEFINED);
- if (spu.read_depth) {
+ if (spu.read_depth_stencil) {
if (spu.cur_ztile_status == TILE_STATUS_GETTING) {
/* wait for mfc_get() to complete */
//printf("SPU: %u: waiting for ztile\n", spu.init.id);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 19:56:46 +0000