From: Axel Davy Date: Sun, 25 Sep 2016 19:15:07 +0000 (+0200) Subject: st/nine: Disable parts of lighting calculation if no normal provided X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=732cea09cdae896b8f2be2c9706fedb48ed06f3e;p=mesa.git st/nine: Disable parts of lighting calculation if no normal provided Behaviour found in Wine sources, and checked with some test apps. Signed-off-by: Axel Davy --- diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c index 1db312cd94c..a10f8c78129 100644 --- a/src/gallium/state_trackers/nine/nine_ff.c +++ b/src/gallium/state_trackers/nine/nine_ff.c @@ -55,9 +55,10 @@ struct nine_ff_vs_key uint32_t fog_range : 1; uint32_t color0in_one : 1; uint32_t color1in_zero : 1; + uint32_t has_normal : 1; uint32_t fog : 1; uint32_t normalizenormals : 1; - uint32_t pad1 : 6; + uint32_t pad1 : 5; uint32_t tc_dim_input: 16; /* 8 * 2 bits */ uint32_t pad2 : 16; uint32_t tc_dim_output: 24; /* 8 * 3 bits */ @@ -336,6 +337,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) unsigned i, c; unsigned label[32], l = 0; boolean need_aNrm = key->lighting || key->passthrough & (1 << NINE_DECLUSAGE_NORMAL); + boolean has_aNrm = need_aNrm && key->has_normal; boolean need_aVtx = key->lighting || key->fog_mode || key->pointscale; const unsigned texcoord_sn = get_texcoord_sn(device->screen); @@ -367,7 +369,8 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) vs->aVtx = build_vs_add_input(vs, key->position_t ? NINE_DECLUSAGE_POSITIONT : NINE_DECLUSAGE_POSITION); - if (need_aNrm) + vs->aNrm = ureg_imm1f(ureg, 0.0f); + if (has_aNrm) vs->aNrm = build_vs_add_input(vs, NINE_DECLUSAGE_NORMAL); vs->aCol[0] = ureg_imm1f(ureg, 1.0f); @@ -490,7 +493,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) ureg_MAD(ureg, tmp, _ZZZZ(vs->aVtx), cWM[2], ureg_src(tmp)); ureg_MAD(ureg, tmp, _WWWW(vs->aVtx), cWM[3], ureg_src(tmp)); - if (need_aNrm) { + if (has_aNrm) { /* Note: the spec says the transpose of the inverse of the * WorldView matrices should be used, but all tests show * otherwise. @@ -503,7 +506,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) if (i < (key->vertexblend - 1)) { /* accumulate weighted position value */ ureg_MAD(ureg, aVtx_dst, ureg_src(tmp), ureg_scalar(vs->aWgt, i), ureg_src(aVtx_dst)); - if (need_aNrm) + if (has_aNrm) ureg_MAD(ureg, aNrm_dst, ureg_src(tmp2), ureg_scalar(vs->aWgt, i), ureg_src(aNrm_dst)); /* subtract weighted position value for last value */ ureg_SUB(ureg, sum_blendweights, ureg_src(sum_blendweights), ureg_scalar(vs->aWgt, i)); @@ -512,7 +515,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) /* the last weighted position is always 1 - sum_of_previous_weights */ ureg_MAD(ureg, aVtx_dst, ureg_src(tmp), ureg_scalar(ureg_src(sum_blendweights), key->vertexblend - 1), ureg_src(aVtx_dst)); - if (need_aNrm) + if (has_aNrm) ureg_MAD(ureg, aNrm_dst, ureg_src(tmp2), ureg_scalar(ureg_src(sum_blendweights), key->vertexblend - 1), ureg_src(aNrm_dst)); /* multiply by VIEW_PROJ */ @@ -530,7 +533,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) if (!need_aVtx) ureg_release_temporary(ureg, aVtx_dst); - if (need_aNrm) { + if (has_aNrm) { if (key->normalizenormals) ureg_normalize3(ureg, aNrm_dst, ureg_src(aNrm_dst)); vs->aNrm = ureg_src(aNrm_dst); @@ -543,7 +546,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) struct ureg_dst aVtx_dst = ureg_DECL_temporary(ureg); ureg_LRP(ureg, aVtx_dst, _XXXX(_CONST(30)), vs->aVtx1, vs->aVtx); vs->aVtx = ureg_src(aVtx_dst); - if (need_aNrm) { + if (has_aNrm) { struct ureg_dst aNrm_dst = ureg_DECL_temporary(ureg); ureg_LRP(ureg, aNrm_dst, _XXXX(_CONST(30)), vs->aNrm1, vs->aNrm); vs->aNrm = ureg_src(aNrm_dst); @@ -565,7 +568,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) ureg_MAD(ureg, aVtx_dst, _WWWW(vs->aVtx), _CONST(7), ureg_src(aVtx_dst)); vs->aVtx = ureg_src(aVtx_dst); } - if (need_aNrm) { + if (has_aNrm) { struct ureg_dst aNrm_dst = ureg_writemask(ureg_DECL_temporary(ureg), TGSI_WRITEMASK_XYZ); ureg_MUL(ureg, aNrm_dst, _XXXX(vs->aNrm), _CONST(16)); ureg_MAD(ureg, aNrm_dst, _YYYY(vs->aNrm), _CONST(17), ureg_src(aNrm_dst)); @@ -875,27 +878,30 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) /* directional factors, let's not use LIT because of clarity */ - if (key->localviewer) { - ureg_normalize3(ureg, rMid, vs->aVtx); - ureg_SUB(ureg, rMid, ureg_src(rHit), ureg_src(rMid)); - } else { - ureg_SUB(ureg, rMid, ureg_src(rHit), ureg_imm3f(ureg, 0.0f, 0.0f, 1.0f)); - } - ureg_normalize3(ureg, rMid, ureg_src(rMid)); - ureg_DP3(ureg, ureg_saturate(tmp_y), vs->aNrm, ureg_src(rMid)); - ureg_IF(ureg, _Y(tmp), &label[l++]); - { - ureg_POW(ureg, tmp_y, _Y(tmp), mtlP); - ureg_MUL(ureg, tmp_y, _W(rAtt), _Y(tmp)); /* power factor * att */ - ureg_MAD(ureg, rS, cLColS, _Y(tmp), ureg_src(rS)); /* accumulate specular */ + if (has_aNrm) { + if (key->localviewer) { + ureg_normalize3(ureg, rMid, vs->aVtx); + ureg_SUB(ureg, rMid, ureg_src(rHit), ureg_src(rMid)); + } else { + ureg_SUB(ureg, rMid, ureg_src(rHit), ureg_imm3f(ureg, 0.0f, 0.0f, 1.0f)); + } + ureg_normalize3(ureg, rMid, ureg_src(rMid)); + ureg_DP3(ureg, ureg_saturate(tmp_y), vs->aNrm, ureg_src(rMid)); + ureg_IF(ureg, _Y(tmp), &label[l++]); + { + ureg_POW(ureg, tmp_y, _Y(tmp), mtlP); + ureg_MUL(ureg, tmp_y, _W(rAtt), _Y(tmp)); /* power factor * att */ + ureg_MAD(ureg, rS, cLColS, _Y(tmp), ureg_src(rS)); /* accumulate specular */ + } + ureg_fixup_label(ureg, label[l-1], ureg_get_instruction_number(ureg)); + ureg_ENDIF(ureg); + + ureg_DP3(ureg, ureg_saturate(tmp_x), vs->aNrm, ureg_src(rHit)); + ureg_MUL(ureg, tmp_x, _W(rAtt), _X(tmp)); /* dp3(normal,hitDir) * att */ + ureg_MAD(ureg, rD, cLColD, _X(tmp), ureg_src(rD)); /* accumulate diffuse */ } - ureg_fixup_label(ureg, label[l-1], ureg_get_instruction_number(ureg)); - ureg_ENDIF(ureg); ureg_MAD(ureg, rA, cLColA, _W(rAtt), ureg_src(rA)); /* accumulate ambient */ - ureg_DP3(ureg, ureg_saturate(tmp_x), vs->aNrm, ureg_src(rHit)); - ureg_MUL(ureg, tmp_x, _W(rAtt), _X(tmp)); /* dp3(normal,hitDir) * att */ - ureg_MAD(ureg, rD, cLColD, _X(tmp), ureg_src(rD)); /* accumulate diffuse */ /* break if this was the last light */ ureg_IF(ureg, cLLast, &label[l++]); @@ -1597,6 +1603,9 @@ nine_ff_get_vs(struct NineDevice9 *device) } else if (usage == NINE_DECLUSAGE_i(BLENDWEIGHT, 0)) { has_weights = true; key.passthrough |= 1 << usage; + } else if (usage == NINE_DECLUSAGE_i(NORMAL, 0)) { + key.has_normal = 1; + key.passthrough |= 1 << usage; } else if (usage == NINE_DECLUSAGE_PSIZE) key.vertexpointsize = 1; else if (usage % NINE_DECLUSAGE_COUNT == NINE_DECLUSAGE_TEXCOORD) {