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| author | Topi Pohjolainen <topi.pohjolainen@intel.com> | 2016-04-16 20:03:34 +0300 |
|---|---|---|
| committer | Topi Pohjolainen <topi.pohjolainen@intel.com> | 2016-04-22 17:02:29 +0300 |
| commit | 1883613a24d8aaa4c43b18bca3d7e2daa46ebca0 (patch) | |
| tree | 40a7a7b3f4ab0c371d23429b5df707e4a5e517f4 /src/mesa/drivers/dri | |
| parent | 125a7fdf3239d53162af5d4a42a00e7f8d902a64 (diff) | |
| download | external_mesa3d-1883613a24d8aaa4c43b18bca3d7e2daa46ebca0.zip external_mesa3d-1883613a24d8aaa4c43b18bca3d7e2daa46ebca0.tar.gz external_mesa3d-1883613a24d8aaa4c43b18bca3d7e2daa46ebca0.tar.bz2 | |
i965/blorp: Add support for 2x msaa
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_blorp_blit.cpp | 14 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 5 |
2 files changed, 9 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp index 40b9135..7556d6a 100644 --- a/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp +++ b/src/mesa/drivers/dri/i965/brw_blorp_blit.cpp @@ -251,9 +251,8 @@ brw_blorp_copytexsubimage(struct brw_context *brw, struct intel_mipmap_tree *src_mt = src_irb->mt; struct intel_mipmap_tree *dst_mt = intel_image->mt; - /* There is support only for four and eight samples. */ - if (src_mt->num_samples == 2 || dst_mt->num_samples == 2 || - src_mt->num_samples > 8 || dst_mt->num_samples > 8) + /* There is support for only up to eight samples. */ + if (src_mt->num_samples > 8 || dst_mt->num_samples > 8) return false; /* BLORP is only supported from Gen6 onwards. */ @@ -362,9 +361,8 @@ brw_blorp_framebuffer(struct brw_context *brw, if (brw->gen < 6) return mask; - /* There is support only for four and eight samples. */ - if (readFb->Visual.samples == 2 || drawFb->Visual.samples == 2 || - readFb->Visual.samples > 8 || drawFb->Visual.samples > 8) + /* There is support for only up to eight samples. */ + if (readFb->Visual.samples > 8 || drawFb->Visual.samples > 8) return mask; static GLbitfield buffer_bits[] = { @@ -964,6 +962,7 @@ brw_blorp_blit_program::compute_frag_coords() if (key->persample_msaa_dispatch) { switch (key->rt_samples) { + case 2: case 4: { /* The WM will be run in MSDISPMODE_PERSAMPLE with num_samples == 4. * Therefore, subspan 0 will represent sample 0, subspan 1 will @@ -975,7 +974,8 @@ brw_blorp_blit_program::compute_frag_coords() * then copy from it using vstride=1, width=4, hstride=0. */ struct brw_reg t1_uw1 = retype(t1, BRW_REGISTER_TYPE_UW); - emit_mov(vec16(t1_uw1), brw_imm_v(0x3210)); + emit_mov(vec16(t1_uw1), key->rt_samples == 4 ? + brw_imm_v(0x3210) : brw_imm_v(0x1010)); /* Move to UD sample_index register. */ emit_mov_8(S, stride(t1_uw1, 1, 4, 0)); emit_mov_8(offset(S, 1), suboffset(stride(t1_uw1, 1, 4, 0), 2)); diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c index 8099ea7..29be037 100644 --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c @@ -2170,9 +2170,8 @@ intel_miptree_updownsample(struct brw_context *brw, struct intel_mipmap_tree *src, struct intel_mipmap_tree *dst) { - /* There is support only for four and eight samples. */ - const bool use_blorp = src->num_samples != 2 && dst->num_samples != 2 && - src->num_samples <= 8 && dst->num_samples <= 8; + /* There is support for only up to eight samples. */ + const bool use_blorp = src->num_samples <= 8 && dst->num_samples <= 8; if (use_blorp) { brw_blorp_blit_miptrees(brw, |