/* * Copyright 2015 Axel Davy * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef _NINE_LIMITS_H_ #define _NINE_LIMITS_H_ #include "assert.h" #include "d3d9types.h" // state can be any value #define NINE_STATE_NO_LIMIT 0 // value is clamped if below min or max #define NINE_STATE_CLAMP 1 // boolean: 0 -> false; any other value -> true #define NINE_STATE_BOOL 2 // a mask is applied on the value #define NINE_STATE_MASK 3 // if outside a range, state value is changed to a default value #define NINE_STATE_RANGE_DEF_VAL 4 struct nine_state_behaviour { unsigned state_value_behaviour; union { struct { unsigned min; unsigned max; } clamp; unsigned mask; struct { unsigned min; unsigned max; unsigned default_val; } range_def_val; } u; }; #define __NO_LIMIT_RS(o) \ [D3DRS_##o] = {NINE_STATE_NO_LIMIT} #define __CLAMP_RS(o, m, M) \ [D3DRS_##o] = {NINE_STATE_CLAMP, {.clamp = {m, M}}} #define __BOOLEAN_RS(o) \ [D3DRS_##o] = {NINE_STATE_BOOL} #define __MASK_RS(o, m) \ [D3DRS_##o] = {NINE_STATE_MASK, {.mask = m}} #define __RANGE_DEF_VAL_RS(o, m, M, d) \ [D3DRS_##o] = {NINE_STATE_RANGE_DEF_VAL, {.range_def_val = {m, M, d}}} #define __TO_DETERMINE_RS(o, m, M) \ [D3DRS_##o] = {NINE_STATE_NO_LIMIT} static const struct nine_state_behaviour render_state_limits_table[D3DRS_BLENDOPALPHA + 1] = { __TO_DETERMINE_RS(ZENABLE, 0, 3), __TO_DETERMINE_RS(FILLMODE, 1, 3), __CLAMP_RS(SHADEMODE, 1, 3), __BOOLEAN_RS(ZWRITEENABLE), __BOOLEAN_RS(ALPHATESTENABLE), __BOOLEAN_RS(LASTPIXEL), __RANGE_DEF_VAL_RS(SRCBLEND, 1, 17, D3DBLEND_ZERO), __RANGE_DEF_VAL_RS(DESTBLEND, 1, 17, D3DBLEND_ZERO), __CLAMP_RS(CULLMODE, 1, 3), __CLAMP_RS(ZFUNC, 1, 8), __MASK_RS(ALPHAREF, 0x000000FF), __CLAMP_RS(ALPHAFUNC, 1, 8), __BOOLEAN_RS(DITHERENABLE), __BOOLEAN_RS(ALPHABLENDENABLE), __BOOLEAN_RS(FOGENABLE), __BOOLEAN_RS(SPECULARENABLE), __NO_LIMIT_RS(FOGCOLOR), __MASK_RS(FOGTABLEMODE, 0x00000007), __NO_LIMIT_RS(FOGSTART), /* a bit more complex than that, lets ignore */ __NO_LIMIT_RS(FOGEND), __NO_LIMIT_RS(FOGDENSITY), /* actually should be between 0.0 and 1.0 */ __BOOLEAN_RS(RANGEFOGENABLE), __BOOLEAN_RS(STENCILENABLE), __CLAMP_RS(STENCILFAIL, 1, 8), __CLAMP_RS(STENCILZFAIL, 1, 8), __CLAMP_RS(STENCILPASS, 1, 8), __CLAMP_RS(STENCILFUNC, 1, 8), __NO_LIMIT_RS(STENCILREF), __NO_LIMIT_RS(STENCILMASK), __NO_LIMIT_RS(STENCILWRITEMASK), __NO_LIMIT_RS(TEXTUREFACTOR), __TO_DETERMINE_RS(WRAP0, 0, 15), __TO_DETERMINE_RS(WRAP1, 0, 15), __TO_DETERMINE_RS(WRAP2, 0, 15), __TO_DETERMINE_RS(WRAP3, 0, 15), __TO_DETERMINE_RS(WRAP4, 0, 15), __TO_DETERMINE_RS(WRAP5, 0, 15), __TO_DETERMINE_RS(WRAP6, 0, 15), __TO_DETERMINE_RS(WRAP7, 0, 15), __BOOLEAN_RS(CLIPPING), __BOOLEAN_RS(LIGHTING), __NO_LIMIT_RS(AMBIENT), __MASK_RS(FOGVERTEXMODE, 0x00000007), __BOOLEAN_RS(COLORVERTEX), __BOOLEAN_RS(LOCALVIEWER), __BOOLEAN_RS(NORMALIZENORMALS), __TO_DETERMINE_RS(DIFFUSEMATERIALSOURCE, 0, 2), __TO_DETERMINE_RS(SPECULARMATERIALSOURCE, 0, 2), __TO_DETERMINE_RS(AMBIENTMATERIALSOURCE, 0, 2), __TO_DETERMINE_RS(EMISSIVEMATERIALSOURCE, 0, 2), __TO_DETERMINE_RS(VERTEXBLEND, 0, 256), /* values between 4 and 254 -both included- are forbidden too */ __NO_LIMIT_RS(CLIPPLANEENABLE), /* expected check seems complex */ __TO_DETERMINE_RS(POINTSIZE, 0, 0xFFFFFFFF), __TO_DETERMINE_RS(POINTSIZE_MIN, 0, 0x7FFFFFFF), /* float >= 0.0 */ __BOOLEAN_RS(POINTSPRITEENABLE), __BOOLEAN_RS(POINTSCALEENABLE), __TO_DETERMINE_RS(POINTSCALE_A, 0, 0x7FFFFFFF), /* float >= 0.0 */ __TO_DETERMINE_RS(POINTSCALE_B, 0, 0x7FFFFFFF), /* float >= 0.0 */ __TO_DETERMINE_RS(POINTSCALE_C, 0, 0x7FFFFFFF), /* float >= 0.0 */ __BOOLEAN_RS(MULTISAMPLEANTIALIAS), __NO_LIMIT_RS(MULTISAMPLEMASK), __TO_DETERMINE_RS(PATCHEDGESTYLE, 0, 1), __TO_DETERMINE_RS(DEBUGMONITORTOKEN, 0, 1), __TO_DETERMINE_RS(POINTSIZE_MAX, 0, 0x7FFFFFFF), /* check more complex than that */ __BOOLEAN_RS(INDEXEDVERTEXBLENDENABLE), __TO_DETERMINE_RS(COLORWRITEENABLE, 0, 15), __NO_LIMIT_RS(TWEENFACTOR), __CLAMP_RS(BLENDOP, 1, 5), __TO_DETERMINE_RS(POSITIONDEGREE, 1, 5), /* can actually be only 1 or 5 */ __TO_DETERMINE_RS(NORMALDEGREE, 1, 2), __BOOLEAN_RS(SCISSORTESTENABLE), __NO_LIMIT_RS(SLOPESCALEDEPTHBIAS), __BOOLEAN_RS(ANTIALIASEDLINEENABLE), __NO_LIMIT_RS(MINTESSELLATIONLEVEL), __NO_LIMIT_RS(MAXTESSELLATIONLEVEL), __NO_LIMIT_RS(ADAPTIVETESS_X), __NO_LIMIT_RS(ADAPTIVETESS_Y), __NO_LIMIT_RS(ADAPTIVETESS_Z), __NO_LIMIT_RS(ADAPTIVETESS_W), __BOOLEAN_RS(ENABLEADAPTIVETESSELLATION), __BOOLEAN_RS(TWOSIDEDSTENCILMODE), __CLAMP_RS(CCW_STENCILFAIL, 1, 8), __CLAMP_RS(CCW_STENCILZFAIL, 1, 8), __CLAMP_RS(CCW_STENCILPASS, 1, 8), __CLAMP_RS(CCW_STENCILFUNC, 1, 8), __TO_DETERMINE_RS(COLORWRITEENABLE1, 0, 15), __TO_DETERMINE_RS(COLORWRITEENABLE2, 0, 15), __TO_DETERMINE_RS(COLORWRITEENABLE3, 0, 15), __NO_LIMIT_RS(BLENDFACTOR), __BOOLEAN_RS(SRGBWRITEENABLE), __NO_LIMIT_RS(DEPTHBIAS), __TO_DETERMINE_RS(WRAP8, 0, 15), __TO_DETERMINE_RS(WRAP9, 0, 15), __TO_DETERMINE_RS(WRAP10, 0, 15), __TO_DETERMINE_RS(WRAP11, 0, 15), __TO_DETERMINE_RS(WRAP12, 0, 15), __TO_DETERMINE_RS(WRAP13, 0, 15), __TO_DETERMINE_RS(WRAP14, 0, 15), __TO_DETERMINE_RS(WRAP15, 0, 15), __BOOLEAN_RS(SEPARATEALPHABLENDENABLE), __RANGE_DEF_VAL_RS(SRCBLENDALPHA, 1, 17, D3DBLEND_ZERO), __RANGE_DEF_VAL_RS(DESTBLENDALPHA, 1, 17, D3DBLEND_ZERO), __CLAMP_RS(BLENDOPALPHA, 1, 5) }; static DWORD inline nine_fix_render_state_value(D3DRENDERSTATETYPE State, DWORD Value) { struct nine_state_behaviour behaviour = render_state_limits_table[State]; switch (behaviour.state_value_behaviour) { case NINE_STATE_NO_LIMIT: break; case NINE_STATE_CLAMP: if (Value < behaviour.u.clamp.min) Value = behaviour.u.clamp.min; else if (Value > behaviour.u.clamp.max) Value = behaviour.u.clamp.max; break; case NINE_STATE_BOOL: Value = Value ? 1 : 0; break; case NINE_STATE_MASK: Value = Value & behaviour.u.mask; break; case NINE_STATE_RANGE_DEF_VAL: if (Value < behaviour.u.range_def_val.min || Value > behaviour.u.range_def_val.max) Value = behaviour.u.range_def_val.default_val; break; } return Value; } #endif /* _NINE_HELPERS_H_ */