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Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_gen_fragment.c')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_gen_fragment.c50
1 files changed, 29 insertions, 21 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
index 0dab340..70683bb 100644
--- a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
+++ b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c
@@ -1175,7 +1175,8 @@ gen_colormask(struct spe_function *f,
*/
static void
gen_stencil_test(struct spe_function *f,
- const struct pipe_stencil_state *state,
+ const struct pipe_stencil_state *state,
+ const unsigned ref_value,
uint stencil_max_value,
int fragment_mask_reg,
int fbS_reg,
@@ -1189,7 +1190,7 @@ gen_stencil_test(struct spe_function *f,
case PIPE_FUNC_EQUAL:
if (state->valuemask == stencil_max_value) {
/* stencil_pass = fragment_mask & (s == reference) */
- spe_compare_equal_uint(f, stencil_pass_reg, fbS_reg, state->ref_value);
+ spe_compare_equal_uint(f, stencil_pass_reg, fbS_reg, ref_value);
spe_and(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
}
else {
@@ -1197,7 +1198,7 @@ gen_stencil_test(struct spe_function *f,
uint tmp_masked_stencil = spe_allocate_available_register(f);
spe_and_uint(f, tmp_masked_stencil, fbS_reg, state->valuemask);
spe_compare_equal_uint(f, stencil_pass_reg, tmp_masked_stencil,
- state->valuemask & state->ref_value);
+ state->valuemask & ref_value);
spe_and(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
spe_release_register(f, tmp_masked_stencil);
}
@@ -1206,7 +1207,7 @@ gen_stencil_test(struct spe_function *f,
case PIPE_FUNC_NOTEQUAL:
if (state->valuemask == stencil_max_value) {
/* stencil_pass = fragment_mask & ~(s == reference) */
- spe_compare_equal_uint(f, stencil_pass_reg, fbS_reg, state->ref_value);
+ spe_compare_equal_uint(f, stencil_pass_reg, fbS_reg, ref_value);
spe_andc(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
}
else {
@@ -1214,7 +1215,7 @@ gen_stencil_test(struct spe_function *f,
int tmp_masked_stencil = spe_allocate_available_register(f);
spe_and_uint(f, tmp_masked_stencil, fbS_reg, state->valuemask);
spe_compare_equal_uint(f, stencil_pass_reg, tmp_masked_stencil,
- state->valuemask & state->ref_value);
+ state->valuemask & ref_value);
spe_andc(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
spe_release_register(f, tmp_masked_stencil);
}
@@ -1223,7 +1224,7 @@ gen_stencil_test(struct spe_function *f,
case PIPE_FUNC_LESS:
if (state->valuemask == stencil_max_value) {
/* stencil_pass = fragment_mask & (reference < s) */
- spe_compare_greater_uint(f, stencil_pass_reg, fbS_reg, state->ref_value);
+ spe_compare_greater_uint(f, stencil_pass_reg, fbS_reg, ref_value);
spe_and(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
}
else {
@@ -1231,7 +1232,7 @@ gen_stencil_test(struct spe_function *f,
int tmp_masked_stencil = spe_allocate_available_register(f);
spe_and_uint(f, tmp_masked_stencil, fbS_reg, state->valuemask);
spe_compare_greater_uint(f, stencil_pass_reg, tmp_masked_stencil,
- state->valuemask & state->ref_value);
+ state->valuemask & ref_value);
spe_and(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
spe_release_register(f, tmp_masked_stencil);
}
@@ -1246,7 +1247,7 @@ gen_stencil_test(struct spe_function *f,
* treats its operands as unsigned - no sign extension.
*/
int tmp_reg = spe_allocate_available_register(f);
- spe_load_uint(f, tmp_reg, state->ref_value);
+ spe_load_uint(f, tmp_reg, ref_value);
spe_clgt(f, stencil_pass_reg, tmp_reg, fbS_reg);
spe_and(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
spe_release_register(f, tmp_reg);
@@ -1255,7 +1256,7 @@ gen_stencil_test(struct spe_function *f,
/* stencil_pass = fragment_mask & ((reference&mask) > (s&mask)) */
int tmp_reg = spe_allocate_available_register(f);
int tmp_masked_stencil = spe_allocate_available_register(f);
- spe_load_uint(f, tmp_reg, state->valuemask & state->ref_value);
+ spe_load_uint(f, tmp_reg, state->valuemask & ref_value);
spe_and_uint(f, tmp_masked_stencil, fbS_reg, state->valuemask);
spe_clgt(f, stencil_pass_reg, tmp_reg, tmp_masked_stencil);
spe_and(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
@@ -1269,7 +1270,7 @@ gen_stencil_test(struct spe_function *f,
/* stencil_pass = fragment_mask & (reference >= s)
* = fragment_mask & ~(s > reference) */
spe_compare_greater_uint(f, stencil_pass_reg, fbS_reg,
- state->ref_value);
+ ref_value);
spe_andc(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
}
else {
@@ -1277,7 +1278,7 @@ gen_stencil_test(struct spe_function *f,
int tmp_masked_stencil = spe_allocate_available_register(f);
spe_and_uint(f, tmp_masked_stencil, fbS_reg, state->valuemask);
spe_compare_greater_uint(f, stencil_pass_reg, tmp_masked_stencil,
- state->valuemask & state->ref_value);
+ state->valuemask & ref_value);
spe_andc(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
spe_release_register(f, tmp_masked_stencil);
}
@@ -1289,7 +1290,7 @@ gen_stencil_test(struct spe_function *f,
* = fragment_mask & ~(reference > s) */
/* As above, we have to do this by loading a register */
int tmp_reg = spe_allocate_available_register(f);
- spe_load_uint(f, tmp_reg, state->ref_value);
+ spe_load_uint(f, tmp_reg, ref_value);
spe_clgt(f, stencil_pass_reg, tmp_reg, fbS_reg);
spe_andc(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
spe_release_register(f, tmp_reg);
@@ -1298,7 +1299,7 @@ gen_stencil_test(struct spe_function *f,
/* stencil_pass = fragment_mask & ~((reference&mask) > (s&mask)) */
int tmp_reg = spe_allocate_available_register(f);
int tmp_masked_stencil = spe_allocate_available_register(f);
- spe_load_uint(f, tmp_reg, state->ref_value & state->valuemask);
+ spe_load_uint(f, tmp_reg, ref_value & state->valuemask);
spe_and_uint(f, tmp_masked_stencil, fbS_reg, state->valuemask);
spe_clgt(f, stencil_pass_reg, tmp_reg, tmp_masked_stencil);
spe_andc(f, stencil_pass_reg, fragment_mask_reg, stencil_pass_reg);
@@ -1453,6 +1454,7 @@ gen_stencil_values(struct spe_function *f,
static void
gen_get_stencil_values(struct spe_function *f,
const struct pipe_stencil_state *stencil,
+ const unsigned ref_value,
const uint depth_enabled,
int fbS_reg,
int *fail_reg,
@@ -1488,7 +1490,7 @@ gen_get_stencil_values(struct spe_function *f,
}
else {
*fail_reg = spe_allocate_available_register(f);
- gen_stencil_values(f, stencil->fail_op, stencil->ref_value,
+ gen_stencil_values(f, stencil->fail_op, ref_value,
0xff, fbS_reg, *fail_reg);
}
@@ -1501,7 +1503,7 @@ gen_get_stencil_values(struct spe_function *f,
}
else {
*zfail_reg = spe_allocate_available_register(f);
- gen_stencil_values(f, stencil->zfail_op, stencil->ref_value,
+ gen_stencil_values(f, stencil->zfail_op, ref_value,
0xff, fbS_reg, *zfail_reg);
}
@@ -1516,7 +1518,7 @@ gen_get_stencil_values(struct spe_function *f,
}
else {
*zpass_reg = spe_allocate_available_register(f);
- gen_stencil_values(f, stencil->zpass_op, stencil->ref_value,
+ gen_stencil_values(f, stencil->zpass_op, ref_value,
0xff, fbS_reg, *zpass_reg);
}
}
@@ -1528,7 +1530,8 @@ gen_get_stencil_values(struct spe_function *f,
*/
static boolean
gen_stencil_depth_test(struct spe_function *f,
- const struct pipe_depth_stencil_alpha_state *dsa,
+ const struct pipe_depth_stencil_alpha_state *dsa,
+ const struct pipe_stencil_ref *stencil_ref,
const uint facing,
const int mask_reg, const int fragZ_reg,
const int fbZ_reg, const int fbS_reg)
@@ -1551,6 +1554,7 @@ gen_stencil_depth_test(struct spe_function *f,
int stencil_writemask_reg;
int zmask_reg;
int newS_reg;
+ unsigned ref_value;
/* Stenciling is quite complex: up to six different configurable stencil
* operations/calculations can be required (three each for front-facing
@@ -1579,9 +1583,11 @@ gen_stencil_depth_test(struct spe_function *f,
*/
if (facing == CELL_FACING_BACK && dsa->stencil[1].enabled) {
stencil = &dsa->stencil[1];
+ ref_value = stencil_ref->ref_value[1];
}
else {
stencil = &dsa->stencil[0];
+ ref_value = stencil_ref->ref_value[0];
}
/* Calculate the writemask. If the writemask is trivial (either
@@ -1641,7 +1647,7 @@ gen_stencil_depth_test(struct spe_function *f,
*/
spe_comment(f, 0, "Running basic stencil test");
stencil_pass_reg = spe_allocate_available_register(f);
- gen_stencil_test(f, stencil, 0xff, mask_reg, fbS_reg, stencil_pass_reg);
+ gen_stencil_test(f, stencil, ref_value, 0xff, mask_reg, fbS_reg, stencil_pass_reg);
/* Generate code that, given the mask of valid fragments and the
* mask of valid fragments that passed the stencil test, computes
@@ -1678,7 +1684,7 @@ gen_stencil_depth_test(struct spe_function *f,
spe_comment(f, 0, facing == CELL_FACING_FRONT
? "Computing front-facing stencil values"
: "Computing back-facing stencil values");
- gen_get_stencil_values(f, stencil, dsa->depth.enabled, fbS_reg,
+ gen_get_stencil_values(f, stencil, ref_value, dsa->depth.enabled, fbS_reg,
&stencil_fail_values, &stencil_pass_depth_fail_values,
&stencil_pass_depth_pass_values);
}
@@ -1818,6 +1824,7 @@ gen_stencil_depth_test(struct spe_function *f,
static void
gen_depth_stencil(struct cell_context *cell,
const struct pipe_depth_stencil_alpha_state *dsa,
+ const struct pipe_stencil_ref *stencil_ref,
struct spe_function *f,
uint facing,
int mask_reg,
@@ -1940,7 +1947,7 @@ gen_depth_stencil(struct cell_context *cell,
* gen_stencil_depth_test() function must ignore the
* fbZ_reg register if depth is not enabled.
*/
- write_depth_stencil = gen_stencil_depth_test(f, dsa, facing,
+ write_depth_stencil = gen_stencil_depth_test(f, dsa, stencil_ref, facing,
mask_reg, fragZ_reg,
fbZ_reg, fbS_reg);
}
@@ -2029,6 +2036,7 @@ cell_gen_fragment_function(struct cell_context *cell,
struct spe_function *f)
{
const struct pipe_depth_stencil_alpha_state *dsa = cell->depth_stencil;
+ const struct pipe_stencil_ref *stencil_ref = &cell->stencil_ref;
const struct pipe_blend_state *blend = cell->blend;
const struct pipe_blend_color *blend_color = &cell->blend_color;
const enum pipe_format color_format = cell->framebuffer.cbufs[0]->format;
@@ -2101,7 +2109,7 @@ cell_gen_fragment_function(struct cell_context *cell,
/* generate depth and/or stencil test code */
if (dsa->depth.enabled || dsa->stencil[0].enabled) {
- gen_depth_stencil(cell, dsa, f,
+ gen_depth_stencil(cell, dsa, stencil_ref, f,
facing,
mask_reg,
depth_tile_reg,
generated by cgit v1.1 at 2024-12-24 12:30:22 +0000