utils.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

    }
}

const char* debug_d3dtexturestate(DWORD state) {
  switch (state) {
#define D3DSTATE_TO_STR(u) case u: return #u
    D3DSTATE_TO_STR(WINED3DTSS_COLOROP               );
    D3DSTATE_TO_STR(WINED3DTSS_COLORARG1             );
    D3DSTATE_TO_STR(WINED3DTSS_COLORARG2             );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAOP               );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAARG1             );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAARG2             );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT00          );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT01          );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT10          );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVMAT11          );
    D3DSTATE_TO_STR(WINED3DTSS_TEXCOORDINDEX         );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVLSCALE         );
    D3DSTATE_TO_STR(WINED3DTSS_BUMPENVLOFFSET        );
    D3DSTATE_TO_STR(WINED3DTSS_TEXTURETRANSFORMFLAGS );
    D3DSTATE_TO_STR(WINED3DTSS_ADDRESSW              );
    D3DSTATE_TO_STR(WINED3DTSS_COLORARG0             );
    D3DSTATE_TO_STR(WINED3DTSS_ALPHAARG0             );
    D3DSTATE_TO_STR(WINED3DTSS_RESULTARG             );
    D3DSTATE_TO_STR(WINED3DTSS_CONSTANT              );
#undef D3DSTATE_TO_STR
  case 12:
    /* Note WINED3DTSS are not consecutive, so skip these */
    return "unused";
  default:
    FIXME("Unrecognized %u texture state!\n", state);
    return "unrecognized";
  }
}

static const char* debug_d3dtop(WINED3DTEXTUREOP d3dtop) {
    switch (d3dtop) {
#define D3DTOP_TO_STR(u) case u: return #u
        D3DTOP_TO_STR(WINED3DTOP_DISABLE);
        D3DTOP_TO_STR(WINED3DTOP_SELECTARG1);
        D3DTOP_TO_STR(WINED3DTOP_SELECTARG2);
        D3DTOP_TO_STR(WINED3DTOP_MODULATE);
        D3DTOP_TO_STR(WINED3DTOP_MODULATE2X);
        D3DTOP_TO_STR(WINED3DTOP_MODULATE4X);
        D3DTOP_TO_STR(WINED3DTOP_ADD);
        D3DTOP_TO_STR(WINED3DTOP_ADDSIGNED);
        D3DTOP_TO_STR(WINED3DTOP_SUBTRACT);
        D3DTOP_TO_STR(WINED3DTOP_ADDSMOOTH);
        D3DTOP_TO_STR(WINED3DTOP_BLENDDIFFUSEALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BLENDTEXTUREALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BLENDFACTORALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BLENDTEXTUREALPHAPM);
        D3DTOP_TO_STR(WINED3DTOP_BLENDCURRENTALPHA);
        D3DTOP_TO_STR(WINED3DTOP_PREMODULATE);
        D3DTOP_TO_STR(WINED3DTOP_MODULATEALPHA_ADDCOLOR);
        D3DTOP_TO_STR(WINED3DTOP_MODULATECOLOR_ADDALPHA);
        D3DTOP_TO_STR(WINED3DTOP_MODULATEINVALPHA_ADDCOLOR);
        D3DTOP_TO_STR(WINED3DTOP_MODULATEINVCOLOR_ADDALPHA);
        D3DTOP_TO_STR(WINED3DTOP_BUMPENVMAP);
        D3DTOP_TO_STR(WINED3DTOP_BUMPENVMAPLUMINANCE);
        D3DTOP_TO_STR(WINED3DTOP_DOTPRODUCT3);
        D3DTOP_TO_STR(WINED3DTOP_MULTIPLYADD);
        D3DTOP_TO_STR(WINED3DTOP_LERP);
#undef D3DTOP_TO_STR
        default:
            FIXME("Unrecognized %u WINED3DTOP\n", d3dtop);
            return "unrecognized";
    }
}

const char* debug_d3dtstype(WINED3DTRANSFORMSTATETYPE tstype) {
    switch (tstype) {
#define TSTYPE_TO_STR(tstype) case tstype: return #tstype
    TSTYPE_TO_STR(WINED3DTS_VIEW);
    TSTYPE_TO_STR(WINED3DTS_PROJECTION);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE0);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE1);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE2);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE3);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE4);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE5);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE6);
    TSTYPE_TO_STR(WINED3DTS_TEXTURE7);
    TSTYPE_TO_STR(WINED3DTS_WORLDMATRIX(0));
#undef TSTYPE_TO_STR
    default:
        if (tstype > 256 && tstype < 512) {
            FIXME("WINED3DTS_WORLDMATRIX(%u). 1..255 not currently supported\n", tstype);
            return ("WINED3DTS_WORLDMATRIX > 0");
        }
        FIXME("Unrecognized %u WINED3DTS\n", tstype);
        return "unrecognized";
    }
}

const char* debug_d3dpool(WINED3DPOOL Pool) {
  switch (Pool) {
#define POOL_TO_STR(p) case p: return #p;
    POOL_TO_STR(WINED3DPOOL_DEFAULT);
    POOL_TO_STR(WINED3DPOOL_MANAGED);
    POOL_TO_STR(WINED3DPOOL_SYSTEMMEM);
    POOL_TO_STR(WINED3DPOOL_SCRATCH);
#undef  POOL_TO_STR
  default:
    FIXME("Unrecognized %u WINED3DPOOL!\n", Pool);
    return "unrecognized";
  }
}

const char *debug_fbostatus(GLenum status) {
    switch(status) {
#define FBOSTATUS_TO_STR(u) case u: return #u
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_COMPLETE_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT);
        FBOSTATUS_TO_STR(GL_FRAMEBUFFER_UNSUPPORTED_EXT);
#undef FBOSTATUS_TO_STR
        default:
            FIXME("Unrecognied FBO status 0x%08x\n", status);
            return "unrecognized";
    }
}

const char *debug_glerror(GLenum error) {
    switch(error) {
#define GLERROR_TO_STR(u) case u: return #u
        GLERROR_TO_STR(GL_NO_ERROR);
        GLERROR_TO_STR(GL_INVALID_ENUM);
        GLERROR_TO_STR(GL_INVALID_VALUE);
        GLERROR_TO_STR(GL_INVALID_OPERATION);
        GLERROR_TO_STR(GL_STACK_OVERFLOW);
        GLERROR_TO_STR(GL_STACK_UNDERFLOW);
        GLERROR_TO_STR(GL_OUT_OF_MEMORY);
        GLERROR_TO_STR(GL_INVALID_FRAMEBUFFER_OPERATION_EXT);
#undef GLERROR_TO_STR
        default:
            FIXME("Unrecognied GL error 0x%08x\n", error);
            return "unrecognized";
    }
}

const char *debug_d3dbasis(WINED3DBASISTYPE basis) {
    switch(basis) {
        case WINED3DBASIS_BEZIER:       return "WINED3DBASIS_BEZIER";
        case WINED3DBASIS_BSPLINE:      return "WINED3DBASIS_BSPLINE";
        case WINED3DBASIS_INTERPOLATE:  return "WINED3DBASIS_INTERPOLATE";
        default:                        return "unrecognized";
    }
}

const char *debug_d3ddegree(WINED3DDEGREETYPE degree) {
    switch(degree) {
        case WINED3DDEGREE_LINEAR:      return "WINED3DDEGREE_LINEAR";
        case WINED3DDEGREE_QUADRATIC:   return "WINED3DDEGREE_QUADRATIC";
        case WINED3DDEGREE_CUBIC:       return "WINED3DDEGREE_CUBIC";
        case WINED3DDEGREE_QUINTIC:     return "WINED3DDEGREE_QUINTIC";
        default:                        return "unrecognized";
    }
}

/*****************************************************************************
 * Useful functions mapping GL <-> D3D values
 */
GLenum StencilOp(DWORD op) {
    switch(op) {
    case WINED3DSTENCILOP_KEEP    : return GL_KEEP;
    case WINED3DSTENCILOP_ZERO    : return GL_ZERO;
    case WINED3DSTENCILOP_REPLACE : return GL_REPLACE;
    case WINED3DSTENCILOP_INCRSAT : return GL_INCR;
    case WINED3DSTENCILOP_DECRSAT : return GL_DECR;
    case WINED3DSTENCILOP_INVERT  : return GL_INVERT;
    case WINED3DSTENCILOP_INCR    : return GL_INCR_WRAP_EXT;
    case WINED3DSTENCILOP_DECR    : return GL_DECR_WRAP_EXT;
    default:
        FIXME("Unrecognized stencil op %d\n", op);
        return GL_KEEP;
    }
}

GLenum CompareFunc(DWORD func) {
    switch ((WINED3DCMPFUNC)func) {
    case WINED3DCMP_NEVER        : return GL_NEVER;
    case WINED3DCMP_LESS         : return GL_LESS;
    case WINED3DCMP_EQUAL        : return GL_EQUAL;
    case WINED3DCMP_LESSEQUAL    : return GL_LEQUAL;
    case WINED3DCMP_GREATER      : return GL_GREATER;
    case WINED3DCMP_NOTEQUAL     : return GL_NOTEQUAL;
    case WINED3DCMP_GREATEREQUAL : return GL_GEQUAL;
    case WINED3DCMP_ALWAYS       : return GL_ALWAYS;
    default:
        FIXME("Unrecognized WINED3DCMPFUNC value %d\n", func);
        return 0;
    }
}

static GLenum d3dta_to_combiner_input(DWORD d3dta, DWORD stage, INT texture_idx) {
    switch (d3dta) {
        case WINED3DTA_DIFFUSE:
            return GL_PRIMARY_COLOR_NV;

        case WINED3DTA_CURRENT:
            if (stage) return GL_SPARE0_NV;
            else return GL_PRIMARY_COLOR_NV;

        case WINED3DTA_TEXTURE:
            if (texture_idx > -1) return GL_TEXTURE0_ARB + texture_idx;
            else return GL_PRIMARY_COLOR_NV;

        case WINED3DTA_TFACTOR:
            return GL_CONSTANT_COLOR0_NV;

        case WINED3DTA_SPECULAR:
            return GL_SECONDARY_COLOR_NV;

        case WINED3DTA_TEMP:
            /* TODO: Support WINED3DTSS_RESULTARG */
            FIXME("WINED3DTA_TEMP, not properly supported.\n");
            return GL_SPARE1_NV;

        case WINED3DTA_CONSTANT:
            /* TODO: Support per stage constants (WINED3DTSS_CONSTANT, NV_register_combiners2) */
            FIXME("WINED3DTA_CONSTANT, not properly supported.\n");
            return GL_CONSTANT_COLOR1_NV;

        default:
            FIXME("Unrecognized texture arg %#x\n", d3dta);
            return GL_TEXTURE;
    }
}

static GLenum invert_mapping(GLenum mapping) {
    if (mapping == GL_UNSIGNED_INVERT_NV) return GL_SIGNED_IDENTITY_NV;