diff options
author | Kenneth Graunke <kenneth@whitecape.org> | 2013-11-01 16:29:33 -0700 |
---|---|---|
committer | Kenneth Graunke <kenneth@whitecape.org> | 2014-01-31 17:50:07 -0800 |
commit | 3d3c351cfbeb7c948c474213662499d10447ffab (patch) | |
tree | 58b6091035388f3a1fb47a9355edd19be28a20ba | |
parent | 5c0d7dbcb9575bd8126d4d4ef83753664b848d27 (diff) |
i965: Update 3DSTATE_CLIP for Broadwell.
Broadwell's winding order, polygon fill, and viewport Z test fields have
moved to DWord 1 of 3DSTATE_RASTER.
v2: Add a perf_debug for a future optimization and improve commit
message (both suggested by Eric Anholt).
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_state_upload.c | 2 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/gen6_clip_state.c | 9 |
2 files changed, 8 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c index 76698dac3a7..986a64ae794 100644 --- a/src/mesa/drivers/dri/i965/brw_state_upload.c +++ b/src/mesa/drivers/dri/i965/brw_state_upload.c @@ -300,7 +300,7 @@ static const struct brw_tracked_state *gen8_atoms[] = &gen8_vs_state, &gen7_gs_state, &gen7_sol_state, - &gen7_clip_state, + &gen6_clip_state, &gen8_raster_state, &gen8_sbe_state, &gen8_sf_state, diff --git a/src/mesa/drivers/dri/i965/gen6_clip_state.c b/src/mesa/drivers/dri/i965/gen6_clip_state.c index ed7afd7d754..0ba190ea792 100644 --- a/src/mesa/drivers/dri/i965/gen6_clip_state.c +++ b/src/mesa/drivers/dri/i965/gen6_clip_state.c @@ -49,9 +49,10 @@ upload_clip_state(struct brw_context *brw) dw2 |= GEN6_CLIP_NON_PERSPECTIVE_BARYCENTRIC_ENABLE; } - if (brw->gen >= 7) { + if (brw->gen >= 7) dw1 |= GEN7_CLIP_EARLY_CULL; + if (brw->gen == 7) { /* _NEW_POLYGON */ if ((ctx->Polygon.FrontFace == GL_CCW) ^ _mesa_is_user_fbo(fb)) dw1 |= GEN7_CLIP_WINDING_CCW; @@ -76,7 +77,7 @@ upload_clip_state(struct brw_context *brw) } } - if (!ctx->Transform.DepthClamp) + if (brw->gen < 8 && !ctx->Transform.DepthClamp) dw2 |= GEN6_CLIP_Z_TEST; /* _NEW_LIGHT */ @@ -103,6 +104,10 @@ upload_clip_state(struct brw_context *brw) ctx->ViewportArray[i].Width != (float) fb->Width || ctx->ViewportArray[i].Height != (float) fb->Height) { dw2 &= ~GEN6_CLIP_GB_TEST; + if (brw->gen >= 8) { + perf_debug("Disabling GB clipping due to lack of Gen8 viewport " + "clipping setup code. This should be fixed."); + } break; } } |