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authorAnuj Phogat <[email protected]>2016-08-11 12:05:45 -0700
committerAnuj Phogat <[email protected]>2016-08-12 10:45:02 -0700
commit7f6136d7dbbb8f28dc7448c4d6fcd3a0d583c7d1 (patch)
treea5232076260938cc32ad3b050bac34756a68dd70
parentfb1bc5007deebfb1441a24ecacdfa11927ac9b12 (diff)
i965: Change 8X MSAA sample mapping
This is required following the change in 8X sample positions. Fixes the recently modified multisample-scaled-blit piglit tests. Signed-off-by: Anuj Phogat <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
-rw-r--r--src/mesa/drivers/dri/i965/brw_blorp_blit.cpp10
-rw-r--r--src/mesa/drivers/dri/i965/gen6_multisample_state.c2
2 files changed, 6 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
index b903de1501c..f7f685bd06c 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
+++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp
@@ -1094,13 +1094,13 @@ blorp_nir_manual_blend_bilinear(nir_builder *b, nir_ssa_def *pos,
*
* In case of 8x MSAA the two layouts don't match.
* sample index layout : --------- sample number layout : ---------
- * | 0 | 1 | | 5 | 2 |
+ * | 0 | 1 | | 3 | 7 |
* --------- ---------
- * | 2 | 3 | | 4 | 6 |
+ * | 2 | 3 | | 5 | 0 |
* --------- ---------
- * | 4 | 5 | | 0 | 3 |
+ * | 4 | 5 | | 1 | 2 |
* --------- ---------
- * | 6 | 7 | | 7 | 1 |
+ * | 6 | 7 | | 4 | 6 |
* --------- ---------
*
* Fortunately, this can be done fairly easily as:
@@ -1128,7 +1128,7 @@ blorp_nir_manual_blend_bilinear(nir_builder *b, nir_ssa_def *pos,
sample = nir_f2i(b, sample);
if (tex_samples == 8) {
- sample = nir_iand(b, nir_ishr(b, nir_imm_int(b, 0x17306425),
+ sample = nir_iand(b, nir_ishr(b, nir_imm_int(b, 0x64210573),
nir_ishl(b, sample, nir_imm_int(b, 2))),
nir_imm_int(b, 0xf));
} else if (tex_samples == 16) {
diff --git a/src/mesa/drivers/dri/i965/gen6_multisample_state.c b/src/mesa/drivers/dri/i965/gen6_multisample_state.c
index a47e3239bef..a59ffec0398 100644
--- a/src/mesa/drivers/dri/i965/gen6_multisample_state.c
+++ b/src/mesa/drivers/dri/i965/gen6_multisample_state.c
@@ -109,7 +109,7 @@ gen6_set_sample_maps(struct gl_context *ctx)
{
uint8_t map_2x[2] = {0, 1};
uint8_t map_4x[4] = {0, 1, 2, 3};
- uint8_t map_8x[8] = {5, 2, 4, 6, 0, 3, 7, 1};
+ uint8_t map_8x[8] = {3, 7, 5, 0, 1, 2, 4, 6};
uint8_t map_16x[16] = { 15, 10, 9, 7, 4, 1, 3, 13,
12, 2, 0, 6, 11, 8, 5, 14 };