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| author | Axel Davy <axel.davy@ens.fr> | 2016-09-25 12:07:29 +0200 |
|---|---|---|
| committer | Axel Davy <axel.davy@ens.fr> | 2016-10-10 23:43:50 +0200 |
| commit | eda1e6ece722b1f9f7083e419884ca4f7b025dd2 (patch) | |
| tree | 4f02e03525e458d3c8b0d81ec6acd287603b7b04 /src/gallium/state_trackers/nine | |
| parent | a3ddc80ec84533329af6540108230b079858c378 (diff) | |
| download | external_mesa3d-eda1e6ece722b1f9f7083e419884ca4f7b025dd2.zip external_mesa3d-eda1e6ece722b1f9f7083e419884ca4f7b025dd2.tar.gz external_mesa3d-eda1e6ece722b1f9f7083e419884ca4f7b025dd2.tar.bz2 | |
st/nine: Implement SPHEREMAP
Behaviour checked with a test app.
Signed-off-by: Axel Davy <axel.davy@ens.fr>
Diffstat (limited to 'src/gallium/state_trackers/nine')
| -rw-r--r-- | src/gallium/state_trackers/nine/adapter9.c | 2 | ||||
| -rw-r--r-- | src/gallium/state_trackers/nine/nine_ff.c | 32 |
2 files changed, 30 insertions, 4 deletions
diff --git a/src/gallium/state_trackers/nine/adapter9.c b/src/gallium/state_trackers/nine/adapter9.c index a58bfc2..dad5fcb 100644 --- a/src/gallium/state_trackers/nine/adapter9.c +++ b/src/gallium/state_trackers/nine/adapter9.c @@ -771,7 +771,7 @@ NineAdapter9_GetDeviceCaps( struct NineAdapter9 *This, pCaps->MaxSimultaneousTextures = NINE_MAX_SAMPLERS_PS; pCaps->VertexProcessingCaps = D3DVTXPCAPS_TEXGEN | - /*D3DVTXPCAPS_TEXGEN_SPHEREMAP |*/ + D3DVTXPCAPS_TEXGEN_SPHEREMAP | D3DVTXPCAPS_MATERIALSOURCE7 | D3DVTXPCAPS_DIRECTIONALLIGHTS | D3DVTXPCAPS_POSITIONALLIGHTS | diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c index d0a8361..c2ce352 100644 --- a/src/gallium/state_trackers/nine/nine_ff.c +++ b/src/gallium/state_trackers/nine/nine_ff.c @@ -353,6 +353,9 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) case NINED3DTSS_TCI_CAMERASPACEREFLECTIONVECTOR: need_aVtx = need_aNrm = TRUE; break; + case NINED3DTSS_TCI_SPHEREMAP: + need_aVtx = need_aNrm = TRUE; + break; default: break; } @@ -611,8 +614,8 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) } for (i = 0; i < 8; ++i) { - struct ureg_dst tmp, tmp_x; - struct ureg_dst oTex, input_coord, transformed, t; + struct ureg_dst tmp, tmp_x, tmp2; + struct ureg_dst oTex, input_coord, transformed, t, aVtx_normed; unsigned c, writemask; const unsigned tci = (key->tc_gen >> (i * 3)) & 0x7; const unsigned idx = (key->tc_idx >> (i * 3)) & 0x7; @@ -657,7 +660,30 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) tmp.WriteMask = TGSI_WRITEMASK_XYZW; break; case NINED3DTSS_TCI_SPHEREMAP: - assert(!"TODO"); + /* Implement the formula of GL_SPHERE_MAP */ + tmp.WriteMask = TGSI_WRITEMASK_XYZ; + aVtx_normed = ureg_DECL_temporary(ureg); + tmp2 = ureg_DECL_temporary(ureg); + ureg_normalize3(ureg, aVtx_normed, vs->aVtx); + ureg_DP3(ureg, tmp_x, ureg_src(aVtx_normed), vs->aNrm); + ureg_MUL(ureg, tmp, vs->aNrm, _X(tmp)); + ureg_ADD(ureg, tmp, ureg_src(tmp), ureg_src(tmp)); + ureg_SUB(ureg, tmp, ureg_src(aVtx_normed), ureg_src(tmp)); + /* now tmp = normed(Vtx) - 2 dot3(normed(Vtx), Nrm) Nrm */ + ureg_MOV(ureg, ureg_writemask(tmp2, TGSI_WRITEMASK_XYZ), ureg_src(tmp)); + ureg_MUL(ureg, tmp2, ureg_src(tmp2), ureg_src(tmp2)); + ureg_DP3(ureg, ureg_writemask(tmp2, TGSI_WRITEMASK_X), ureg_src(tmp2), ureg_src(tmp2)); + ureg_RSQ(ureg, ureg_writemask(tmp2, TGSI_WRITEMASK_X), ureg_src(tmp2)); + ureg_MUL(ureg, ureg_writemask(tmp2, TGSI_WRITEMASK_X), ureg_src(tmp2), ureg_imm1f(ureg, 0.5f)); + /* tmp2 = 0.5 / sqrt(tmp.x^2 + tmp.y^2 + (tmp.z+1)^2) + * TODO: z coordinates are a bit different gl vs d3d, should the formula be adapted ? */ + ureg_MUL(ureg, tmp, ureg_src(tmp), _X(tmp2)); + ureg_ADD(ureg, ureg_writemask(input_coord, TGSI_WRITEMASK_XY), ureg_src(tmp), ureg_imm1f(ureg, 0.5f)); + ureg_MOV(ureg, ureg_writemask(input_coord, TGSI_WRITEMASK_ZW), ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f)); + ureg_release_temporary(ureg, aVtx_normed); + ureg_release_temporary(ureg, tmp2); + dim_input = 4; + tmp.WriteMask = TGSI_WRITEMASK_XYZW; break; default: assert(0); |