From 2dd59a2d286cca8ccbc7a25622cd7036cdbf437d Mon Sep 17 00:00:00 2001 From: Axel Davy Date: Fri, 8 May 2015 19:26:20 +0200 Subject: [PATCH] st/nine: Fix fixed function fog support Previous code had only a subcase of fog working right. Signed-off-by: Axel Davy --- src/gallium/state_trackers/nine/nine_ff.c | 53 +++++++++++-------------------- 1 file changed, 19 insertions(+), 34 deletions(-) diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c index c08f5d3..9638d9c 100644 --- a/src/gallium/state_trackers/nine/nine_ff.c +++ b/src/gallium/state_trackers/nine/nine_ff.c @@ -64,7 +64,8 @@ struct nine_ff_vs_key uint32_t fog_range : 1; uint32_t color0in_one : 1; uint32_t color1in_one : 1; - uint32_t pad1 : 8; + uint32_t fog : 1; + uint32_t pad1 : 7; uint32_t tc_gen : 24; /* 8 * 3 bits */ uint32_t pad2 : 8; uint32_t tc_idx : 24; @@ -110,7 +111,7 @@ struct nine_ff_ps_key uint32_t projected : 1; /* that's 32 bit exactly */ } ts[8]; - uint32_t fog : 1; /* for vFog with programmable VS */ + uint32_t fog : 1; /* for vFog coming from VS */ uint32_t fog_mode : 2; uint32_t specular : 1; /* 9 32-bit words with this */ uint8_t colorarg_b4[3]; @@ -223,7 +224,6 @@ static void nine_ureg_tgsi_dump(struct ureg_program *ureg, boolean override) * CONST[28].x___ RS.FogEnd * CONST[28]._y__ 1.0f / (RS.FogEnd - RS.FogStart) * CONST[28].__z_ RS.FogDensity - * CONST[29] RS.FogColor * CONST[30].x___ TWEENFACTOR * @@ -336,7 +336,6 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) const struct nine_ff_vs_key *key = vs->key; struct ureg_program *ureg = ureg_create(TGSI_PROCESSOR_VERTEX); struct ureg_dst oPos, oCol[2], oTex[8], oPsz, oFog; - struct ureg_dst rCol[2]; /* oCol if no fog, TEMP otherwise */ struct ureg_dst rVtx, rNrm; struct ureg_dst r[8]; struct ureg_dst AR; @@ -421,19 +420,16 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) oPos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0); /* HPOS */ oCol[0] = ureg_saturate(ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0)); oCol[1] = ureg_saturate(ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 1)); + if (key->fog) { + oFog = ureg_DECL_output(ureg, TGSI_SEMANTIC_FOG, 0); + oFog = ureg_writemask(oFog, TGSI_WRITEMASK_X); + } if (key->vertexpointsize || key->pointscale) { oPsz = ureg_DECL_output_masked(ureg, TGSI_SEMANTIC_PSIZE, 0, TGSI_WRITEMASK_X, 0, 1); oPsz = ureg_writemask(oPsz, TGSI_WRITEMASK_X); } - if (key->fog_mode) { - /* We apply fog to the vertex colors, oFog is for programmable shaders only ? - */ - oFog = ureg_DECL_output_masked(ureg, TGSI_SEMANTIC_FOG, 0, - TGSI_WRITEMASK_X, 0, 1); - oFog = ureg_writemask(oFog, TGSI_WRITEMASK_X); - } /* Declare TEMPs: */ @@ -445,14 +441,6 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) if (key->lighting || key->vertexblend) AR = ureg_DECL_address(ureg); - if (key->fog_mode) { - rCol[0] = r[2]; - rCol[1] = r[3]; - } else { - rCol[0] = oCol[0]; - rCol[1] = oCol[1]; - } - rVtx = ureg_writemask(r[1], TGSI_WRITEMASK_XYZ); rNrm = ureg_writemask(r[2], TGSI_WRITEMASK_XYZ); @@ -852,22 +840,22 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) ureg_MAD(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_XYZ), vs->mtlA, ureg_src(tmp), vs->mtlE); ureg_ADD(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_W ), vs->mtlA, vs->mtlE); } - ureg_MAD(ureg, rCol[0], ureg_src(rD), vs->mtlD, ureg_src(tmp)); - ureg_MUL(ureg, rCol[1], ureg_src(rS), vs->mtlS); + ureg_MAD(ureg, oCol[0], ureg_src(rD), vs->mtlD, ureg_src(tmp)); + ureg_MUL(ureg, oCol[1], ureg_src(rS), vs->mtlS); } else /* COLOR */ if (key->darkness) { if (key->mtl_emissive == 0 && key->mtl_ambient == 0) { - ureg_MAD(ureg, rCol[0], vs->mtlD, ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f), _CONST(19)); + ureg_MAD(ureg, oCol[0], vs->mtlD, ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f), _CONST(19)); } else { - ureg_MAD(ureg, ureg_writemask(rCol[0], TGSI_WRITEMASK_XYZ), vs->mtlA, _CONST(25), vs->mtlE); + ureg_MAD(ureg, ureg_writemask(oCol[0], TGSI_WRITEMASK_XYZ), vs->mtlA, _CONST(25), vs->mtlE); ureg_ADD(ureg, ureg_writemask(tmp, TGSI_WRITEMASK_W), vs->mtlA, vs->mtlE); - ureg_ADD(ureg, ureg_writemask(rCol[0], TGSI_WRITEMASK_W), vs->mtlD, _W(tmp)); + ureg_ADD(ureg, ureg_writemask(oCol[0], TGSI_WRITEMASK_W), vs->mtlD, _W(tmp)); } - ureg_MUL(ureg, rCol[1], ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f), vs->mtlS); + ureg_MUL(ureg, oCol[1], ureg_imm4f(ureg, 0.0f, 0.0f, 0.0f, 1.0f), vs->mtlS); } else { - ureg_MOV(ureg, rCol[0], vs->aCol[0]); - ureg_MOV(ureg, rCol[1], vs->aCol[1]); + ureg_MOV(ureg, oCol[0], vs->aCol[0]); + ureg_MOV(ureg, oCol[1], vs->aCol[1]); } /* === Process fog. @@ -875,10 +863,6 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) * exp(x) = ex2(log2(e) * x) */ if (key->fog_mode) { - /* Fog doesn't affect alpha, TODO: combine with light code output */ - ureg_MOV(ureg, ureg_writemask(oCol[0], TGSI_WRITEMASK_W), _W(rCol[0])); - ureg_MOV(ureg, ureg_writemask(oCol[1], TGSI_WRITEMASK_W), _W(rCol[1])); - if (key->position_t) { ureg_MOV(ureg, ureg_saturate(tmp_x), ureg_scalar(vs->aCol[1], TGSI_SWIZZLE_W)); } else @@ -906,8 +890,8 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs) ureg_MUL(ureg, ureg_saturate(tmp_x), _X(tmp), _YYYY(_CONST(28))); } ureg_MOV(ureg, oFog, _X(tmp)); - ureg_LRP(ureg, ureg_writemask(oCol[0], TGSI_WRITEMASK_XYZ), _X(tmp), ureg_src(rCol[0]), _CONST(29)); - ureg_LRP(ureg, ureg_writemask(oCol[1], TGSI_WRITEMASK_XYZ), _X(tmp), ureg_src(rCol[1]), _CONST(29)); + } else if (key->fog) { + ureg_MOV(ureg, oFog, ureg_scalar(vs->aCol[1], TGSI_SWIZZLE_W)); } if (key->position_t && device->driver_caps.window_space_position_support) @@ -1428,6 +1412,7 @@ nine_ff_get_vs(struct NineDevice9 *device) key.mtl_specular = state->rs[D3DRS_SPECULARMATERIALSOURCE]; key.mtl_emissive = state->rs[D3DRS_EMISSIVEMATERIALSOURCE]; } + key.fog = !!state->rs[D3DRS_FOGENABLE]; key.fog_mode = state->rs[D3DRS_FOGENABLE] ? state->rs[D3DRS_FOGVERTEXMODE] : 0; if (key.fog_mode) key.fog_range = !key.position_t && state->rs[D3DRS_RANGEFOGENABLE]; @@ -1563,6 +1548,7 @@ nine_ff_get_ps(struct NineDevice9 *device) key.ts[s].colorop = key.ts[s].alphaop = D3DTOP_DISABLE; if (state->rs[D3DRS_FOGENABLE]) key.fog_mode = state->rs[D3DRS_FOGTABLEMODE]; + key.fog = !!state->rs[D3DRS_FOGENABLE]; ps = util_hash_table_get(device->ff.ht_ps, &key); if (ps) @@ -1690,7 +1676,6 @@ nine_ff_load_point_and_fog_params(struct NineDevice9 *device) if (isinf(dst[28].y)) dst[28].y = 0.0f; dst[28].z = asfloat(state->rs[D3DRS_FOGDENSITY]); - d3dcolor_to_rgba(&dst[29].x, state->rs[D3DRS_FOGCOLOR]); } static void -- 2.7.4