| #include "nv30_context.h" |
| |
| static boolean |
| nv30_state_viewport_validate(struct nv30_context *nv30) |
| { |
| struct pipe_viewport_state *vpt = &nv30->viewport; |
| struct nouveau_stateobj *so; |
| unsigned bypass; |
| |
| if (/*nv30->render_mode == HW &&*/ |
| !nv30->rasterizer->pipe.bypass_vs_clip_and_viewport) |
| bypass = 0; |
| else |
| bypass = 1; |
| |
| if (nv30->state.hw[NV30_STATE_VIEWPORT] && |
| (bypass || !(nv30->dirty & NV30_NEW_VIEWPORT)) && |
| nv30->state.viewport_bypass == bypass) |
| return FALSE; |
| nv30->state.viewport_bypass = bypass; |
| |
| so = so_new(11, 0); |
| if (!bypass) { |
| so_method(so, nv30->screen->rankine, |
| NV34TCL_VIEWPORT_TRANSLATE_X, 8); |
| so_data (so, fui(vpt->translate[0])); |
| so_data (so, fui(vpt->translate[1])); |
| so_data (so, fui(vpt->translate[2])); |
| so_data (so, fui(vpt->translate[3])); |
| so_data (so, fui(vpt->scale[0])); |
| so_data (so, fui(vpt->scale[1])); |
| so_data (so, fui(vpt->scale[2])); |
| so_data (so, fui(vpt->scale[3])); |
| /* so_method(so, nv30->screen->rankine, 0x1d78, 1); |
| so_data (so, 1); |
| */ } else { |
| so_method(so, nv30->screen->rankine, |
| NV34TCL_VIEWPORT_TRANSLATE_X, 8); |
| so_data (so, fui(0.0)); |
| so_data (so, fui(0.0)); |
| so_data (so, fui(0.0)); |
| so_data (so, fui(0.0)); |
| so_data (so, fui(1.0)); |
| so_data (so, fui(1.0)); |
| so_data (so, fui(1.0)); |
| so_data (so, fui(0.0)); |
| /* Not entirely certain what this is yet. The DDX uses this |
| * value also as it fixes rendering when you pass |
| * pre-transformed vertices to the GPU. My best gusss is that |
| * this bypasses some culling/clipping stage. Might be worth |
| * noting that points/lines are uneffected by whatever this |
| * value fixes, only filled polygons are effected. |
| */ |
| /* so_method(so, nv30->screen->rankine, 0x1d78, 1); |
| so_data (so, 0x110); |
| */ } |
| /* TODO/FIXME: never saw value 0x0110 in renouveau dumps, only 0x0001 */ |
| so_method(so, nv30->screen->rankine, 0x1d78, 1); |
| so_data (so, 1); |
| |
| so_ref(so, &nv30->state.hw[NV30_STATE_VIEWPORT]); |
| so_ref(NULL, &so); |
| return TRUE; |
| } |
| |
| struct nv30_state_entry nv30_state_viewport = { |
| .validate = nv30_state_viewport_validate, |
| .dirty = { |
| .pipe = NV30_NEW_VIEWPORT | NV30_NEW_RAST, |
| .hw = NV30_STATE_VIEWPORT |
| } |
| }; |