diff options
author | Dave Airlie <[email protected]> | 2010-08-17 13:40:15 +1000 |
---|---|---|
committer | Dave Airlie <[email protected]> | 2010-08-17 14:19:09 +1000 |
commit | 3e58007892cb2e89cb979ab172b7160adc84a44d (patch) | |
tree | 105329196e5b32c339b62760e1315b13f390e084 /src/gallium/drivers/r600/r600_state.c | |
parent | 00ce188eb8d6f5c3f345ad674f1aa49ee5940db5 (diff) |
r600g: add user clip plane support.
Apart from the fact that the radeon.h/r600_states.h editing is a nightmare, this
wasn't so bad.
passes piglit user-clip test now also trivial tests.
Signed-off-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src/gallium/drivers/r600/r600_state.c')
-rw-r--r-- | src/gallium/drivers/r600/r600_state.c | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c index 3efd409ae0d..cbbc93c04a3 100644 --- a/src/gallium/drivers/r600/r600_state.c +++ b/src/gallium/drivers/r600/r600_state.c @@ -268,6 +268,14 @@ static void r600_set_blend_color(struct pipe_context *ctx, static void r600_set_clip_state(struct pipe_context *ctx, const struct pipe_clip_state *state) { + struct r600_screen *rscreen = r600_screen(ctx->screen); + struct r600_context *rctx = r600_context(ctx); + struct r600_context_state *rstate; + + rstate = r600_context_state(rctx, pipe_clip_type, state); + r600_bind_state(ctx, rstate); + /* refcount is taken care of this */ + r600_delete_state(ctx, rstate); } static void r600_set_constant_buffer(struct pipe_context *ctx, @@ -668,6 +676,29 @@ static struct radeon_state *r600_blend(struct r600_context *rctx) return rstate; } +static struct radeon_state *r600_ucp(struct r600_context *rctx, int clip) +{ + struct r600_screen *rscreen = rctx->screen; + struct radeon_state *rstate; + const struct pipe_clip_state *state = &rctx->clip->state.clip; + + rstate = radeon_state(rscreen->rw, R600_CLIP_TYPE, R600_CLIP + clip); + if (rstate == NULL) + return NULL; + + rstate->states[R600_CLIP__PA_CL_UCP_X_0] = fui(state->ucp[clip][0]); + rstate->states[R600_CLIP__PA_CL_UCP_Y_0] = fui(state->ucp[clip][1]); + rstate->states[R600_CLIP__PA_CL_UCP_Z_0] = fui(state->ucp[clip][2]); + rstate->states[R600_CLIP__PA_CL_UCP_W_0] = fui(state->ucp[clip][3]); + + if (radeon_state_pm4(rstate)) { + radeon_state_decref(rstate); + return NULL; + } + return rstate; + +} + static struct radeon_state *r600_cb(struct r600_context *rctx, int cb) { struct r600_screen *rscreen = rctx->screen; @@ -769,6 +800,7 @@ static struct radeon_state *r600_rasterizer(struct r600_context *rctx) { const struct pipe_rasterizer_state *state = &rctx->rasterizer->state.rasterizer; const struct pipe_framebuffer_state *fb = &rctx->framebuffer->state.framebuffer; + const struct pipe_clip_state *clip = NULL; struct r600_screen *rscreen = rctx->screen; struct radeon_state *rstate; float offset_units = 0, offset_scale = 0; @@ -776,6 +808,9 @@ static struct radeon_state *r600_rasterizer(struct r600_context *rctx) unsigned offset_db_fmt_cntl = 0; unsigned tmp; unsigned prov_vtx = 1; + + if (rctx->clip) + clip = &rctx->clip->state.clip; if (fb->zsbuf) { offset_units = state->offset_units; offset_scale = state->offset_scale * 12.0f; @@ -821,7 +856,11 @@ static struct radeon_state *r600_rasterizer(struct r600_context *rctx) S_0286D4_PNT_SPRITE_TOP_1(1); } } - rstate->states[R600_RASTERIZER__PA_CL_CLIP_CNTL] = 0x00000000; + rstate->states[R600_RASTERIZER__PA_CL_CLIP_CNTL] = 0; + if (clip && clip->nr) { + rstate->states[R600_RASTERIZER__PA_CL_CLIP_CNTL] = S_028810_PS_UCP_MODE(3) | ((1 << clip->nr) - 1); + rstate->states[R600_RASTERIZER__PA_CL_CLIP_CNTL] |= S_028810_CLIP_DISABLE(clip->depth_clamp); + } rstate->states[R600_RASTERIZER__PA_SU_SC_MODE_CNTL] = S_028814_PROVOKING_VTX_LAST(prov_vtx) | S_028814_CULL_FRONT((state->cull_face & PIPE_FACE_FRONT) ? 1 : 0) | @@ -1301,6 +1340,10 @@ int r600_context_hw_states(struct r600_context *rctx) unsigned i; int r; int nr_cbufs = rctx->framebuffer->state.framebuffer.nr_cbufs; + int ucp_nclip = 0; + + if (rctx->clip) + ucp_nclip = rctx->clip->state.clip.nr; /* free previous TODO determine what need to be updated, what * doesn't @@ -1316,6 +1359,9 @@ int r600_context_hw_states(struct r600_context *rctx) for (i = 0; i < 8; i++) { rctx->hw_states.cb[i] = radeon_state_decref(rctx->hw_states.cb[i]); } + for (i = 0; i < 6; i++) { + rctx->hw_states.ucp[i] = radeon_state_decref(rctx->hw_states.ucp[i]); + } for (i = 0; i < rctx->hw_states.ps_nresource; i++) { radeon_state_decref(rctx->hw_states.ps_resource[i]); rctx->hw_states.ps_resource[i] = NULL; @@ -1336,6 +1382,9 @@ int r600_context_hw_states(struct r600_context *rctx) for (i = 0; i < nr_cbufs; i++) { rctx->hw_states.cb[i] = r600_cb(rctx, i); } + for (i = 0; i < ucp_nclip; i++) { + rctx->hw_states.ucp[i] = r600_ucp(rctx, i); + } rctx->hw_states.db = r600_db(rctx); rctx->hw_states.cb_cntl = r600_cb_cntl(rctx); @@ -1357,6 +1406,11 @@ int r600_context_hw_states(struct r600_context *rctx) rctx->hw_states.ps_nresource = rctx->ps_nsampler_view; /* bind states */ + for (i = 0; i < ucp_nclip; i++) { + r = radeon_draw_set(rctx->draw, rctx->hw_states.ucp[i]); + if (r) + return r; + } r = radeon_draw_set(rctx->draw, rctx->hw_states.db); if (r) return r; |