diff options
| author | Vadim Girlin <[email protected]> | 2012-01-21 01:37:48 +0400 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2012-01-21 12:43:14 +0000 |
| commit | 54e8dcaad65cbe3603730414fd8d76ac53f89a86 (patch) | |
| tree | 76af72a0c0697df506fd19e450174302cbc2a3fc /src/gallium/drivers/r600/evergreen_state.c | |
| parent | d649bf51ec787021f7872e2a4c09fb2188c0891b (diff) | |
r600g: implement clip vertex v2
Clip planes are uploaded as a constant buffer and used by the vertex
shader to produce corresponding clip distances for hw clipping.
Signed-off-by: Vadim Girlin <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
| -rw-r--r-- | src/gallium/drivers/r600/evergreen_state.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 2f7046bcba6..96c11442388 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -1211,6 +1211,7 @@ static void evergreen_set_clip_state(struct pipe_context *ctx, { struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx; struct r600_pipe_state *rstate = CALLOC_STRUCT(r600_pipe_state); + struct pipe_resource *cbuf; if (rstate == NULL) return; @@ -1235,6 +1236,13 @@ static void evergreen_set_clip_state(struct pipe_context *ctx, free(rctx->states[R600_PIPE_STATE_CLIP]); rctx->states[R600_PIPE_STATE_CLIP] = rstate; r600_context_pipe_state_set(&rctx->ctx, rstate); + + cbuf = pipe_user_buffer_create(ctx->screen, + state->ucp, + 4*4*8, /* 8*4 floats */ + PIPE_BIND_CONSTANT_BUFFER); + r600_set_constant_buffer(ctx, PIPE_SHADER_VERTEX, 1, cbuf); + pipe_resource_reference(&cbuf, NULL); } static void evergreen_set_polygon_stipple(struct pipe_context *ctx, |