* Right half: {1,3,5,7,9,11,13,15}
*/
+/* Important note: We have to use the standard DX positions, because
+ * the primitive discard compute shader relies on them.
+ */
+
/* 1x MSAA */
static const uint32_t sample_locs_1x =
FILL_SREG( 0, 0, 0, 0, 0, 0, 0, 0); /* S1, S2, S3 fields are not used by 1x */
static const uint64_t centroid_priority_1x = 0x0000000000000000ull;
-/* 2x MSAA */
+/* 2x MSAA (the positions are sorted for EQAA) */
static const uint32_t sample_locs_2x =
FILL_SREG(-4,-4, 4, 4, 0, 0, 0, 0); /* S2 & S3 fields are not used by 2x MSAA */
static const uint64_t centroid_priority_2x = 0x1010101010101010ull;
-/* 8x MSAA */
+/* 4x MSAA (the positions are sorted for EQAA) */
+static const uint32_t sample_locs_4x =
+ FILL_SREG(-2,-6, 2, 6, -6, 2, 6,-2);
+static const uint64_t centroid_priority_4x = 0x3210321032103210ull;
+
+/* 8x MSAA (the positions are sorted for EQAA) */
static const uint32_t sample_locs_8x[] = {
- FILL_SREG(-3,-5, 5, 1, -5, 5, 7,-7),
- FILL_SREG(-7,-1, 3, 7, -1, 3, 1,-3),
- FILL_SREG( 0, 0, 0, 0, 0, 0, 0, 0), /* S8, S9 etc. are not used by 8x */
- FILL_SREG( 0, 0, 0, 0, 0, 0, 0, 0),
+ FILL_SREG(-3,-5, 5, 1, -1, 3, 7,-7),
+ FILL_SREG(-7,-1, 3, 7, -5, 5, 1,-3),
+ /* The following are unused by hardware, but we emit them to IBs
+ * instead of multiple SET_CONTEXT_REG packets. */
+ 0,
+ 0,
};
-static const uint64_t centroid_priority_8x = 0x3542017635420176ull;
+static const uint64_t centroid_priority_8x = 0x3546012735460127ull;
-/* 4x and 16x MSAA
- * (the first 4 locations happen to be optimal for 4x MSAA, better than
- * the standard DX 4x locations)
- */
-static const uint32_t sample_locs_4x_16x[] = {
+/* 16x MSAA (the positions are sorted for EQAA) */
+static const uint32_t sample_locs_16x[] = {
FILL_SREG(-5,-2, 5, 3, -2, 6, 3,-5),
- FILL_SREG(-7,-8, 1, 1, -6, 4, 7,-4),
+ FILL_SREG(-4,-6, 1, 1, -6, 4, 7,-4),
FILL_SREG(-1,-3, 6, 7, -3, 2, 0,-7),
- FILL_SREG(-4,-6, 2, 5, -8, 0, 4,-1),
+ FILL_SREG(-7,-8, 2, 5, -8, 0, 4,-1),
};
-static const uint64_t centroid_priority_4x = 0x2310231023102310ull;
-static const uint64_t centroid_priority_16x = 0x497ec6b231d0fa85ull;
+static const uint64_t centroid_priority_16x = 0xc97e64b231d0fa85ull;
static void si_get_sample_position(struct pipe_context *ctx, unsigned sample_count,
unsigned sample_index, float *out_value)
sample_locs = &sample_locs_2x;
break;
case 4:
- sample_locs = sample_locs_4x_16x;
+ sample_locs = &sample_locs_4x;
break;
case 8:
sample_locs = sample_locs_8x;
break;
case 16:
- sample_locs = sample_locs_4x_16x;
+ sample_locs = sample_locs_16x;
break;
}
out_value[1] = (GET_SY(sample_locs, sample_index) + 8) / 16.0f;
}
-static void si_emit_max_4_sample_locs(struct radeon_winsys_cs *cs,
+static void si_emit_max_4_sample_locs(struct radeon_cmdbuf *cs,
uint64_t centroid_priority,
uint32_t sample_locs)
{
radeon_set_context_reg(cs, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0, sample_locs);
}
-static void si_emit_max_16_sample_locs(struct radeon_winsys_cs *cs,
+static void si_emit_max_16_sample_locs(struct radeon_cmdbuf *cs,
uint64_t centroid_priority,
const uint32_t *sample_locs,
unsigned num_samples)
radeon_emit_array(cs, sample_locs, num_samples == 8 ? 2 : 4);
}
-void si_emit_sample_locations(struct radeon_winsys_cs *cs, int nr_samples)
+void si_emit_sample_locations(struct radeon_cmdbuf *cs, int nr_samples)
{
switch (nr_samples) {
default:
si_emit_max_4_sample_locs(cs, centroid_priority_2x, sample_locs_2x);
break;
case 4:
- si_emit_max_4_sample_locs(cs, centroid_priority_4x, sample_locs_4x_16x[0]);
+ si_emit_max_4_sample_locs(cs, centroid_priority_4x, sample_locs_4x);
break;
case 8:
si_emit_max_16_sample_locs(cs, centroid_priority_8x, sample_locs_8x, 8);
break;
case 16:
- si_emit_max_16_sample_locs(cs, centroid_priority_16x, sample_locs_4x_16x, 16);
+ si_emit_max_16_sample_locs(cs, centroid_priority_16x, sample_locs_16x, 16);
break;
}
}
sctx->b.get_sample_position = si_get_sample_position;
- si_get_sample_position(&sctx->b, 1, 0, sctx->sample_locations_1x[0]);
+ si_get_sample_position(&sctx->b, 1, 0, sctx->sample_positions.x1[0]);
for (i = 0; i < 2; i++)
- si_get_sample_position(&sctx->b, 2, i, sctx->sample_locations_2x[i]);
+ si_get_sample_position(&sctx->b, 2, i, sctx->sample_positions.x2[i]);
for (i = 0; i < 4; i++)
- si_get_sample_position(&sctx->b, 4, i, sctx->sample_locations_4x[i]);
+ si_get_sample_position(&sctx->b, 4, i, sctx->sample_positions.x4[i]);
for (i = 0; i < 8; i++)
- si_get_sample_position(&sctx->b, 8, i, sctx->sample_locations_8x[i]);
+ si_get_sample_position(&sctx->b, 8, i, sctx->sample_positions.x8[i]);
for (i = 0; i < 16; i++)
- si_get_sample_position(&sctx->b, 16, i, sctx->sample_locations_16x[i]);
+ si_get_sample_position(&sctx->b, 16, i, sctx->sample_positions.x16[i]);
}